:root{
  /* Apple��T��m�t�� */
  --clr-primary: #007AFF; /* Apple�t���� */
  --clr-primary-dark: #0056CC;
  --clr-primary-light: #4A9EFF;
  --clr-accent: #FF3B30; /* Apple�t�ά� */
  --clr-accent-light: #FF6B60;
  --clr-success: #34C759; /* Apple�t�κ� */
  --clr-danger: #FF3B30;
  --clr-warning: #FF9500; /* Apple�t�ξ� */
  
  /* Apple��T��r��m�h�� - 1000�U�����ŧO */
  --clr-text: #1D1D1F; /* Apple�`�� - �D�n��r */
  --clr-text-secondary: #424245; /* Apple���� - ���n��r */
  --clr-text-tertiary: #86868B; /* Apple�L�� - ���U��r */
  --clr-text-quaternary: #A1A1A6; /* Apple�̲L�� - �T�Τ�r */
  --clr-text-inverse: #FFFFFF; /* �Ϧ��r - �`��I���� */
  --clr-text-link: var(--clr-primary); /* �s����r */
  --clr-text-link-hover: var(--clr-primary-dark); /* �s��hover */
  --clr-text-error: var(--clr-danger); /* ���~��r */
  --clr-text-success: var(--clr-success); /* ���\��r */
  --clr-text-warning: var(--clr-warning); /* ĵ�i��r */
  
  /* Apple��T�I���t�� */
  --clr-bg-primary: #FFFFFF; /* �¥խI�� */
  --clr-bg-secondary: #F5F5F7; /* Apple�L�ǭI�� */
  --clr-bg-tertiary: #F2F2F7; /* Apple��L�ǭI�� */
  --clr-bg-grouped: #F2F2F7; /* Apple���խI�� */
  
  /* Apple��T��بt�� */
  --clr-border-primary: #D2D2D7; /* Apple�D�n��� */
  --clr-border-secondary: #E5E5EA; /* Apple���n��� */
  --clr-border-tertiary: #C7C7CC; /* Apple�`����� */
  
  /* Apple��T�]�p�t�� */
  --radius-xs: 4px; /* �p�ꨤ */
  --radius-sm: 8px; /* �p�ꨤ */
  --radius-md: 12px; /* ���ꨤ */
  --radius-lg: 16px; /* �j�ꨤ */
  --radius-xl: 20px; /* �W�j�ꨤ */
  
  /* Apple��T���v�t�� */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.1);
  
  /* Apple��T�r��t�� - 1000�U�����ŧO */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;
  --font-size-5xl: 40px;
  --font-size-6xl: 48px;
  --font-size-7xl: 56px;
  --font-size-8xl: 64px;
  
  /* Apple��T�r���t�� */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  /* Apple��T�r��ڨt�� */
  --font-family-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --font-family-serif: "Times New Roman", Times, serif;
  
  /* Apple��T���Z�t�� */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 80px;
  --spacing-5xl: 96px;
  
  /* Apple��T�氪�t�� */
  --line-height-tight: 1.2;
  --line-height-normal: 1.4;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.8;
  
  --container: 1200px;
  
  /* Apple��T���ܨt�� */
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-hero-animated: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
  --gradient-primary: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(248,250,252,0.9));
  
  /* Apple��T�ʵe�t�� */
  --transition-fast: 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-normal: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Apple��T���s�t�� - 1000�U�����ŧO */
  --btn-height-xs: 28px;
  --btn-height-sm: 32px;
  --btn-height-md: 40px;
  --btn-height-lg: 48px;
  --btn-height-xl: 56px;
  --btn-padding-xs: 6px 12px;
  --btn-padding-sm: 8px 16px;
  --btn-padding-md: 12px 24px;
  --btn-padding-lg: 16px 32px;
  --btn-padding-xl: 20px 40px;
  
  /* Apple��T���s�ꨤ�t�� */
  --btn-radius-xs: var(--radius-xs);
  --btn-radius-sm: var(--radius-sm);
  --btn-radius-md: var(--radius-md);
  --btn-radius-lg: var(--radius-lg);
  --btn-radius-xl: var(--radius-xl);
  
  /* Apple��T���s���v�t�� */
  --btn-shadow-xs: var(--shadow-xs);
  --btn-shadow-sm: var(--shadow-sm);
  --btn-shadow-md: var(--shadow-md);
  --btn-shadow-lg: var(--shadow-lg);
  --btn-shadow-xl: var(--shadow-xl);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  height: 100%;
}

/* ���úu�ʱ����O���u�ʥ\�� */
html::-webkit-scrollbar,
body::-webkit-scrollbar,
*::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

html,
body,
* {
  -ms-overflow-style: none !important;  /* IE and Edge */
  scrollbar-width: none !important;  /* Firefox */
}
body{
  font-family: var(--font-family-primary);
  color: var(--clr-text);
  background: var(--clr-bg-primary);
  line-height: var(--line-height-relaxed);
  overflow-x: hidden; /* �u�T������u�ʡA���\�����u�� */
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  letter-spacing: -0.01em; /* Apple��T�r���Z */
}


/* �T�O�Ҧ���r�����̤p�iŪ�r��j�p */
* {
  font-size: inherit;
}

p, span, div, a, button {
  font-size: max(var(--font-size-sm), 14px); /* �̤p14px */
}

/* �j���r�i���� - 1000�U�����ŧO */
h1, h2, h3, h4, h5, h6, p, span, div, a, button, .btn {
  color: inherit !important; /* �~�Ӥ������C�� */
}

/* Hero section�S����r�B�z */
.hero h1, .hero h2, .hero h3, .hero h4, .hero h5, .hero h6,
.hero p, .hero span, .hero div, .hero .subtitle, .hero .hero-bullets {
  color: var(--clr-text-inverse) !important;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3) !important;
}

/* �u��Hero�Ϧr��j�p */
.hero .subtitle {
  font-size: var(--font-size-lg) !important;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  opacity: 0.95;
}

.hero-bullets li {
  font-size: var(--font-size-lg) !important;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.hero-bullets .bullet-icon {
  font-size: var(--font-size-xl) !important;
  margin-right: var(--spacing-md);
}

/* �s�W�G�߽ī��s�ʵe */
.pulse-btn {
  animation: pulse 2s infinite;
  position: relative;
  overflow: hidden;
}

.pulse-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.pulse-btn:hover::before {
  left: 100%;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 122, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 122, 255, 0);
  }
}

/* �s�W�G�l�u�I�ϼм˦� */
.bullet-icon {
  display: inline-block;
  margin-right: var(--spacing-sm);
  font-size: var(--font-size-lg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-3px);
  }
  60% {
    transform: translateY(-2px);
  }
}

/* �s�W�G�H���έp�˦� */
.trust-stats {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  justify-content: center;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.stat-item:hover {
  transform: translateY(-4px) scale(1.05);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(15px);
}

.stat-item:hover::before {
  left: 100%;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text-inverse);
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.stat-label {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-inverse);
  opacity: 0.9;
  margin-top: var(--spacing-xs);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.stat-item:hover .stat-number {
  transform: scale(1.1);
  text-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.stat-item:hover .stat-label {
  opacity: 1;
  transform: translateY(-2px);
}

/* �T�����]�p */
/* �T�����]�p�w���� */

/* �T�����]�p�w���� */
img{max-width:100%;display:block}
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--spacing-4xl) var(--spacing-lg);
  width: 100%;
  height: 100%; /* �ϥ�100%�Ӥ��Ocalc�A��section����� */
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box; /* �T�Opadding�]�t�b���פ� */
}

.section{
  padding: 0;
  height: 100vh;
  min-height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background: var(--clr-bg-primary);
}


/* Hero�ϰ�S���B�z�A���ϥ�section���I�� */
.hero.section {
  background: none !important;
  transform: translateZ(0);
  will-change: transform;
  opacity: 1;
  box-sizing: border-box;
}

/* Apple��T��section�I���ܤ� */
.section:nth-child(odd) {
  background: var(--clr-bg-primary);
}

.section:nth-child(even) {
  background: var(--clr-bg-secondary);
}

/* �j��Ҧ�section���פ@�P */
.section,
.section.alt,
.hero,
#features,
#cases,
#pricing-cases,
#faq,
#contact {
  height: 100vh !important;
  min-height: 100vh !important;
  max-height: 100vh !important;
  overflow-x: hidden !important;
  overflow-y: hidden !important;
}

/* 快速估價區域特殊處理 - 保持100vh限制但優化內部空間分配 */
#quick-estimate {
  height: 100vh !important; /* 恢復100vh限制，與其他頁面一致 */
  min-height: 100vh !important;
  max-height: 100vh !important;
  overflow-x: hidden !important;
  overflow-y: auto !important; /* 允許內部垂直滾動 */
  display: flex !important;
  flex-direction: column !important;
  position: relative !important;
  
  /* 等比例縮放基礎設定 */
  --scale-factor: 1;
  --nav-height: 60px; /* 導航按鈕高度 */
  --header-height: 120px; /* 上方標題和進度條的空間 */
  --content-height: calc(100vh - var(--nav-height) - var(--header-height));
}

/* 方案選擇區域 - 確保在快速估價區域內 */
#quick-estimate .plan-selection {
  margin-bottom: var(--spacing-md);
}

#quick-estimate .plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: calc(var(--spacing-sm) * var(--scale-factor));
  margin-bottom: var(--spacing-lg);
}

#quick-estimate .plan-card-simple {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: calc(var(--spacing-sm) * var(--scale-factor));
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  min-height: calc(120px * var(--scale-factor));
}

#quick-estimate .plan-card-simple:hover {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(0, 86, 204, 0.05));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

#quick-estimate .plan-card-simple.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(0, 86, 204, 0.1));
  box-shadow: var(--shadow-lg);
}

#quick-estimate .plan-card-simple.selected::after {
  content: "✓";
  position: absolute;
  top: calc(var(--spacing-sm) * var(--scale-factor));
  right: calc(var(--spacing-sm) * var(--scale-factor));
  background: var(--clr-primary);
  color: white;
  border-radius: 50%;
  width: calc(24px * var(--scale-factor));
  height: calc(24px * var(--scale-factor));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(14px * var(--scale-factor));
  font-weight: bold;
}

#quick-estimate .plan-card-simple .plan-icon {
  font-size: calc(32px * var(--scale-factor));
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor));
  text-align: center;
}

#quick-estimate .plan-card-simple .plan-info h4 {
  font-size: calc(var(--font-size-lg) * var(--scale-factor));
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  margin-bottom: calc(var(--spacing-xs) * var(--scale-factor));
  text-align: center;
}

#quick-estimate .plan-card-simple .plan-info p {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  color: var(--clr-text-secondary);
  text-align: center;
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor));
}

#quick-estimate .plan-card-simple .plan-price {
  text-align: center;
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor));
}

#quick-estimate .plan-card-simple .price-original {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  color: var(--clr-text-secondary);
  text-decoration: line-through;
  display: block;
  margin-bottom: calc(2px * var(--scale-factor));
}

#quick-estimate .plan-card-simple .price-discounted {
  font-size: calc(var(--font-size-lg) * var(--scale-factor));
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
  display: block;
}

#quick-estimate .expand-indicator {
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  color: var(--clr-text-tertiary);
  text-align: center;
  margin-top: calc(var(--spacing-xs) * var(--scale-factor));
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

#quick-estimate .plan-card-simple:hover .expand-indicator {
  opacity: 1;
  color: var(--clr-primary);
}

#quick-estimate .plan-details-expand {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(0, 122, 255, 0.02);
  border-radius: var(--radius-md);
  margin-top: calc(var(--spacing-sm) * var(--scale-factor));
}

#quick-estimate .plan-card-simple.expanded .plan-details-expand {
  max-height: 500px;
  padding: calc(var(--spacing-md) * var(--scale-factor));
}

#quick-estimate .plan-details-expand .plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-xs) * var(--scale-factor));
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor));
}

#quick-estimate .plan-details-expand .plan-features span {
  background: var(--clr-primary);
  color: white;
  padding: calc(4px * var(--scale-factor)) calc(8px * var(--scale-factor));
  border-radius: var(--radius-sm);
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  font-weight: var(--font-weight-medium);
}

#quick-estimate .plan-details-expand .plan-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-xs) * var(--scale-factor));
}

#quick-estimate .plan-details-expand .spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-xs) * var(--scale-factor)) 0;
  border-bottom: 1px solid var(--clr-border-secondary);
}

#quick-estimate .plan-details-expand .spec-item:last-child {
  border-bottom: none;
}

#quick-estimate .plan-details-expand .spec-label {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  color: var(--clr-text-secondary);
}

#quick-estimate .plan-details-expand .spec-value {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  font-weight: var(--font-weight-medium);
  color: var(--clr-text);
}

/* �u�q�ר�section - �{�N�ư���ޭI�� */
.section.alt {
  position: relative;
  background: linear-gradient(135deg, 
    #667eea 0%, 
    #764ba2 25%, 
    #f093fb 50%, 
    #f5576c 75%, 
    #4facfe 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

/* �u�q�רүB�ʭI������ */
.section.alt::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
  animation: floatBackground 20s ease-in-out infinite;
  z-index: 1;
}

/* �u�q�רҮe���˦� */
.section.alt .container {
  position: relative;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  margin: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}



.section:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Apple��T���ưʴ��� */
.section::after {
  content: '';
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid var(--clr-text-tertiary);
  border-top: none;
  border-left: none;
  transform: translateX(-50%) rotate(45deg);
  opacity: 0.7;
  animation: appleBounce 2s infinite;
  pointer-events: none;
  z-index: 10;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section::after:hover {
  opacity: 1;
  border-color: var(--clr-primary);
  transform: translateX(-50%) rotate(45deg) scale(1.1);
}

/* Apple���檺�u���ʵe */
@keyframes appleBounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) rotate(45deg) translateY(0);
  }
  40% {
    transform: translateX(-50%) rotate(45deg) translateY(-4px);
  }
  60% {
    transform: translateX(-50%) rotate(45deg) translateY(-2px);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* �̫�@�Ӱ϶�����ܷưʴ��� */
.section:last-child::after {
  display: none;
}

/* �L���ʮĪG */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* �������J�ʵe */
.section {
  animation: fadeInUp 0.8s ease-out;
}

.hero {
  animation: fadeInUp 1s ease-out;
}

.card {
  animation: fadeInUp 0.6s ease-out;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* �d���i�J�ʵe */
.card.animate-in {
  animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(60px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

/* ������ưʴ����u�� */
@media (max-width: 768px) {
  .section::after {
    font-size: 20px;
    bottom: 15px;
    opacity: 0.5;
  }
  
  .hero::after {
    font-size: 24px;
    bottom: 30px;
    opacity: 0.7;
  }
}

.section.alt{
  background: var(--gradient-card);
  border: 1px solid var(--clr-border);
}

/* Apple��T���D�t�� - 1000�U�����ŧO */
.section-title{
  font-size: var(--font-size-5xl);
  margin: 0 0 var(--spacing-lg);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  text-align: center;
  color: var(--clr-text);
  position: relative;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  font-family: var(--font-family-primary);
}

.section-subtitle{
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
  margin: 0 0 var(--spacing-2xl);
  text-align: center;
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  letter-spacing: -0.01em;
  font-family: var(--font-family-primary);
}

/* Apple��T���D�h���t�� */
h1, .h1 {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  color: var(--clr-text);
  letter-spacing: -0.03em;
  font-family: var(--font-family-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h2, .h2 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--clr-text);
  letter-spacing: -0.02em;
  font-family: var(--font-family-primary);
}

h3, .h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--clr-text);
  letter-spacing: -0.01em;
  font-family: var(--font-family-primary);
}

h4, .h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--clr-text);
  font-family: var(--font-family-primary);
}

h5, .h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  color: var(--clr-text);
  font-family: var(--font-family-primary);
}

h6, .h6 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  color: var(--clr-text);
  font-family: var(--font-family-primary);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: calc(-1 * var(--spacing-sm));
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--clr-primary);
  border-radius: var(--radius-xs);
}

.section-subtitle{
  color: var(--clr-text-secondary);
  margin: 0 0 var(--spacing-2xl);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

/* �ɯ���˦� */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-brand .logo {
  height: 40px;
  width: auto;
  transition: all 0.3s ease;
}

.nav-brand .logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--clr-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--clr-primary);
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  transition: all 0.3s ease;
  border-radius: 1px;
}

.mobile-menu-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

.mobile-menu-toggle:hover span {
  background: var(--clr-primary);
}

/* �T�����e���M���Z�u�� */
/* �T�����]�p�w���� */

@media (max-width:768px){
  .container{
    padding:60px 20px;
  }
  
  .nav-container {
    padding: 0 20px;
    height: 60px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-brand .logo {
    height: 32px;
  }
  
  .cases-carousel {
    margin-left: -20px;
    margin-right: -20px;
    width: calc(100% + 40px);
  }
  
  .section{
    padding: 0;
    height: 100vh; /* �O���T�w���� */
    margin: 0; /* �T�O�񺡵e�� */
    width: 100%; /* �T�O�񺡵e�� */
  }
  
  .section-title{
    font-size:24px;
    margin-bottom:16px;
    line-height: 1.3;
    color: var(--mobile-text-primary) !important;
    font-weight: 800;
    letter-spacing: -0.01em;
  }
  
  .section-subtitle{
    font-size:16px;
    margin-bottom:24px;
    line-height: 1.6;
    color: var(--mobile-text-secondary) !important;
    font-weight: 600;
  }
  
  /* ������r���C���u�� - ���ɹ��� */
  body {
    color: var(--mobile-text-primary) !important;
    font-weight: 500;
    line-height: 1.7;
  }
  
  h1, h2, h3, h4, h5, h6 {
    color: var(--mobile-text-primary) !important;
    font-weight: 700;
    line-height: 1.3;
  }
  
  p {
    color: var(--mobile-text-secondary) !important;
    font-weight: 500;
    line-height: 1.7;
  }
  
  /* �ﵽ���鶡�Z */
  .grid {
    gap: 24px;
  }
  
  .card {
    padding: 24px;
    background: var(--mobile-bg-primary);
    border: 1px solid var(--mobile-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  }
  
  .card h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 700;
  }
  
  .card p {
    color: var(--mobile-text-secondary) !important;
    font-weight: 500;
  }
}

@media (max-width:480px){
  .container{
    padding:60px 16px;
  }
  
  .cases-carousel {
    margin-left: -16px;
    margin-right: -16px;
    width: calc(100% + 32px);
  }
  
  .section{
    padding: 0;
    height: 100vh; /* �O���T�w���� */
    margin: 0; /* �T�O�񺡵e�� */
    width: 100%; /* �T�O�񺡵e�� */
  }
  
  .section-title{
    font-size:22px;
    margin-bottom:10px;
    line-height: 1.2;
  }
  
  .section-subtitle{
    font-size:14px;
    margin-bottom:18px;
    line-height: 1.4;
  }
  
  /* �i�@�B�u�Ƥp�ù����Z */
  .grid {
    gap: 12px;
  }
  
  .card {
    padding: 14px;
  }
  
  /* �u�Ƥ�r�j�p */
  body {
    font-size: 14px;
  }
  
  h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
  }
  
  p {
    line-height: 1.4;
  }
}

@media (max-width: 360px) {
  .container {
    padding: 60px 12px;
  }
  
  .section {
    padding: 0;
  }
  
  .section-title {
    font-size: 20px;
    margin-bottom: 8px;
  }
  
  .section-subtitle {
    font-size: 13px;
    margin-bottom: 16px;
  }
  
  .grid {
    gap: 10px;
  }
  
  .card {
    padding: 12px;
  }
  
  body {
    font-size: 13px;
  }
}
.grid{display:grid;gap:20px}

/* Case Study Carousel */
.cases-carousel {
  margin-top: 20px;
  flex: 1; /* �������ϰ���γѾl�Ŷ� */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; /* �T�O�����m�� */
  width: 100%;
  min-height: 0; /* ���\�����ϰ즬�Y */
  padding-bottom: 40px; /* �W�[�������Z�A�T�O�d�����Q���� */
}

.carousel-container {
  position: relative;
  overflow: visible; /* �אּvisible�A���\���e���`��� */
  padding: 0 20px;
  margin: 0 -20px;
}

.carousel-track {
  display: flex;
  gap: 32px;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: max-content;
  padding: 20px 0;
}

.carousel-track .case {
  flex: 0 0 480px;
  max-width: 480px;
  min-width: 480px;
  height: 60vh; /* �אּ�۰ʰ��סA�T�O���e������� */
  min-height: 500px; /* �]�w�̤p���׽T�O��ı�ĪG */
  display: flex;
  flex-direction: column;
  overflow: visible; /* ���\���e���`��� */
}

/* �o�ӳq�γ]�w�w�����A�ϥΤU�����S�w�]�w */

.case-content {
  flex: 1; /* �����e�ϰ��R�Ѿl�Ŷ� */
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* ��������A�R���Q�ΪŶ� */
  padding: 24px;
  padding-bottom: 50px; /* ���p���s�d�X�Ŷ� */
  min-height: 0; /* ���\���e���Y */
  overflow: visible; /* ���\���e���`��� */
}

/* ��ʪ����ù��d���]�p */
@media (max-width: 1024px) {
  .cases-carousel {
    margin-top: 32px;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }
  
  .carousel-container {
    padding: 0;
    margin: 0 auto;
    overflow: hidden;
    width: 100%;
    position: relative;
  }
  
  .carousel-track {
    display: flex;
    gap: 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    padding: 0;
    transform: translateX(0); /* �T�O��l��m��0 */
  }
  
  .carousel-track .case {
    flex: 0 0 100%;
    max-width: 100%;
    min-width: 100%;
    width: 100%;
    margin: 0;
    border-radius: 0; /* �����ꨤ�קK���� */
    box-shadow: none; /* �������v�קK���� */
    border: none; /* ��������קK���� */
    box-sizing: border-box;
    height: 100vh; /* �T�w���׬��������� */
    display: flex;
    flex-direction: column;
    overflow: hidden; /* ����e���X */
  }
  
  .case-preview {
    height: 35vh; /* �ϥε������ת�35% */
    border-radius: var(--radius);
    border: none;
    flex-shrink: 0; /* ����w���ϰ�Q���Y */
    margin: 0 16px; /* �K�[���k���Z */
    overflow: hidden; /* ����e���X */
  }
  
  .case-content {
    padding: 20px;
    padding-bottom: 50px; /* ���p���s�d�X�Ŷ� */
    flex: 1; /* �����e�ϰ��R�Ѿl�Ŷ� */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* ��������A�R���Q�ΪŶ� */
    min-height: 0; /* ���\���e���Y */
  }
  
  .case-header {
    margin-bottom: 12px;
  }
  
  .case-header h3 {
    font-size: 18px;
    font-weight: 700;
  }
  
  .case-badge {
    font-size: 10px;
    padding: 2px 8px;
  }
  
  .case-value {
    margin-bottom: 12px;
    padding: 10px;
  }
  
  .value-amount {
    font-size: 14px;
  }
  
  .value-label {
    font-size: 10px;
  }
  
  .case-description {
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 12px;
  }
  
  .case-features {
    gap: 4px;
    margin-bottom: 16px;
  }
  
  .feature-tag {
    font-size: 10px;
    padding: 3px 6px;
  }
  
  .case .btn {
    width: 100%;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
  }
}

/* ���O�ؤo�u�� */
@media (max-width: 768px) and (min-width: 481px) {
  .case-preview {
    height: 180px; /* 900px �� 0.20 = 180px�A��n�ǰt */
    overflow: visible !important;
  }
  
  .case-preview iframe {
    transform: translate(-50%, -50%) scale(0.167) !important;
  }
  
  .case-content {
    padding: 24px;
  }
  
  .case-header h3 {
    font-size: 22px;
  }
  
  .case-description {
    font-size: 15px;
  }
  
  .case .btn {
    padding: 14px 24px;
    font-size: 15px;
  }
}

/* ����ؤo�u�� */
@media (max-width: 480px) {
  .case-preview {
    height: 180px; /* 900px �� 0.20 = 180px */
    overflow: visible !important;
  }
  
  .case-preview iframe {
    transform: translate(-50%, -50%) scale(0.20) !important; /* �վ��Y���� */
  }
  
  .case-content {
    padding: 12px;
  }
  
  .case-header h3 {
    font-size: 16px;
  }
  
  .case-description {
    font-size: 12px;
    line-height: 1.3;
  }
  
  .case .btn {
    padding: 10px 14px;
    font-size: 13px;
  }
  
  .case-value {
    padding: 8px;
  }
  
  .value-amount {
    font-size: 13px;
  }
  
  .value-label {
    font-size: 9px;
  }
  
  .feature-tag {
    font-size: 9px;
    padding: 2px 5px;
  }
}

/* �p����ؤo�u�� */
@media (max-width: 360px) {
  .case-preview {
    height: 180px; /* 900px �� 0.20 = 180px */
    overflow: visible !important;
  }
  
  .case-preview iframe {
    transform: translate(-50%, -50%) scale(0.167) !important;
  }
  
  .case-content {
    padding: 12px;
  }
  
  .case-header h3 {
    font-size: 16px;
  }
  
  .case-description {
    font-size: 12px;
  }
  
  .case .btn {
    padding: 10px 14px;
    font-size: 13px;
  }
  
  .case-value {
    padding: 8px;
  }
  
  .value-amount {
    font-size: 13px;
  }
  
  .feature-tag {
    font-size: 10px;
    padding: 3px 6px;
  }
}

/* �W�p����ؤo�u�� */
@media (max-width: 320px) {
  .case-preview {
    height: 180px; /* 900px �� 0.20 = 180px */
    overflow: visible !important;
  }
  
  .case-preview iframe {
    transform: translate(-50%, -50%) scale(0.167) !important;
  }
  
  .case-content {
    padding: 10px;
  }
  
  .case-header h3 {
    font-size: 14px;
  }
  
  .case-description {
    font-size: 12px;
  }
  
  .feature-tag {
    font-size: 10px;
    padding: 2px 4px;
  }
  
  .carousel-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    margin-top: 0;
  }
  
  .carousel-btn {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--clr-primary);
    color: var(--clr-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
  }
  
  .carousel-btn:hover {
    background: var(--clr-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
  }
  
  .carousel-btn:disabled {
    opacity: 0.4;
    background: rgba(255, 255, 255, 0.6);
    border-color: var(--clr-muted);
    color: var(--clr-muted);
  }
  
  /* �K�[�������ܾ� */
  .carousel-indicators {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
  }
  
  .carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--clr-primary);
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .carousel-indicator.active {
    background: var(--clr-primary);
    transform: scale(1.2);
  }
  
  /* �ﵽ�d����ı�ĪG */
  .case {
    position: relative;
    background: linear-gradient(135deg, #ffffff, #fafbfc);
    min-height: auto; /* �אּauto�A�קK���e���X */
    display: flex;
    flex-direction: column;
  }
  
  .case::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  }
  
  /* �ﵽ�w���ϰ� */
  .case-preview {
    position: relative;
    overflow: hidden;
  }
  
  .case-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(transparent, rgba(0,0,0,0.1));
  }
  
  /* �ﵽ���s��ı�ĪG */
  .case .btn {
    position: relative;
    overflow: hidden;
    margin-top: auto;
  }
  
  .case .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
  }
  
  .case .btn:hover::before {
    left: 100%;
  }
  
  /* �ﵽ�ƭ���� */
  .case-value {
    background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(37,99,235,0.04));
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: 16px;
    backdrop-filter: blur(10px);
  }
  
  /* �ﵽ���ҮĪG */
  .case-badge {
    background: linear-gradient(135deg, var(--clr-accent), #f59e0b);
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
  }
  
  /* �ﵽ�\����� */
  .feature-tag {
    background: rgba(37,99,235,0.1);
    border: 1px solid rgba(37,99,235,0.2);
    color: var(--clr-primary);
    font-weight: 500;
  }
  
  /* �K�[�ưʴ��� */
  .carousel-track::after {
    content: '�� �ưʬd�ݧ�h ��';
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--clr-muted);
    font-size: 12px;
    opacity: 0.7;
    animation: fadeInOut 3s ease-in-out infinite;
    pointer-events: none;
  }
  
  @keyframes fadeInOut {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
  }
  
  /* �T�O�d�����e���|���X */
  .case-content {
    max-width: 100%;
    overflow: hidden;
  }
  
  /* �Τ@iframe�t�� - �j��ୱ����� */
  .case-preview {
    overflow: visible !important;
    position: relative;
  }
  
  .case-preview iframe {
    width: 1600px !important;
    height: 900px !important;
    transform: scale(0.20) !important;
    transform-origin: top left !important;
    border: none;
    border-radius: 8px;
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    /* ����u�ʨƥ�_�w */
    overflow: hidden;
    scroll-behavior: auto;
  }
}

.pricing-grid{grid-template-columns:repeat(3,1fr)}
.form-grid{grid-template-columns:repeat(2,1fr)}

/* �w������T�����u�� */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .plan {
    padding: 16px;
  }
  
  .plan .price .amount {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .plan {
    padding: 14px;
  }
  
  .plan .price .amount {
    font-size: 22px;
  }
  
  .plan .features {
    font-size: 14px;
  }
  
  .plan-tags {
    gap: 4px;
  }
  
  .tag-chip {
    font-size: 11px;
    padding: 3px 8px;
  }
}

@media (max-width: 480px) {
  .pricing-grid {
    gap: 10px;
  }
  
  .plan {
    padding: 12px;
  }
  
  .plan .price .amount {
    font-size: 20px;
  }
  
  .plan .features {
    font-size: 13px;
  }
  
  .tag-chip {
    font-size: 10px;
    padding: 2px 6px;
  }
}

@media (max-width:960px){
  .cases-grid,.pricing-grid,.form-grid{grid-template-columns:1fr}
}

/* Apple��T���s�t�� - 1000�U�����ŧO */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  border: 1px solid transparent;
  border-radius: var(--btn-radius-md);
  padding: var(--btn-padding-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  min-height: var(--btn-height-md);
  position: relative;
  overflow: hidden;
  font-family: var(--font-family-primary);
  white-space: nowrap;
  letter-spacing: -0.01em;
  box-shadow: var(--btn-shadow-sm);
}

/* ���s�ؤo���� */
.btn-xs {
  padding: var(--btn-padding-xs);
  font-size: var(--font-size-xs);
  min-height: var(--btn-height-xs);
  border-radius: var(--btn-radius-xs);
}

.btn-sm {
  padding: var(--btn-padding-sm);
  font-size: var(--font-size-sm);
  min-height: var(--btn-height-sm);
  border-radius: var(--btn-radius-sm);
}

.btn-lg {
  padding: var(--btn-padding-lg);
  font-size: var(--font-size-lg);
  min-height: var(--btn-height-lg);
  border-radius: var(--btn-radius-lg);
}

.btn-xl {
  padding: var(--btn-padding-xl);
  font-size: var(--font-size-xl);
  min-height: var(--btn-height-xl);
  border-radius: var(--btn-radius-xl);
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  transition: var(--transition-normal);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  transition: var(--transition-fast);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:focus-visible{
  outline:3px solid rgba(37,99,235,0.35);
  outline-offset:2px;
}

.btn:disabled{
  opacity:0.6;
  cursor:not-allowed;
  transform:none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #4f46e5 100%);
  color: var(--clr-text-inverse) !important; /* �j��ϥΤϦ��r */
  box-shadow: 
    0 4px 15px rgba(59, 130, 246, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  border: none;
  font-weight: var(--font-weight-semibold);
  position: relative;
  z-index: 1;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: pulse-glow 3s ease-in-out infinite;
}

.btn-primary:hover {
  color: var(--clr-text-inverse) !important;
  animation: none;
}

.btn-primary:hover .btn-text {
  transform: translateY(-1px);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(59, 130, 246, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s ease;
  opacity: 0;
  pointer-events: none;
}

.btn-primary:hover:not(:disabled){
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, #3730a3 100%);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 
    0 8px 25px rgba(59, 130, 246, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(15px);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover::after {
  width: 300px;
  height: 300px;
  opacity: 1;
  background: rgba(59, 130, 246, 0.2);
  animation: hover-ripple 2s ease-in-out infinite;
}

.btn-primary:active{
  background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
  transform: translateY(-1px) scale(0.98);
  box-shadow: 
    0 2px 8px rgba(59, 130, 246, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.btn-primary:focus-visible{
  outline: 3px solid rgba(0, 122, 255, 0.35);
  outline-offset: 2px;
}

/* ���s��r�ʵe�ĪG */
/* �X�֨�D�n .btn-primary �w�q�� */

/* �߽İʵe�ĪG */
@keyframes pulse-glow {
  0% {
    box-shadow: 
      0 4px 15px rgba(59, 130, 246, 0.3),
      0 0 0 1px rgba(255, 255, 255, 0.1);
  }
  50% {
    box-shadow: 
      0 4px 15px rgba(59, 130, 246, 0.5),
      0 0 0 1px rgba(255, 255, 255, 0.2),
      0 0 20px rgba(59, 130, 246, 0.3);
  }
  100% {
    box-shadow: 
      0 4px 15px rgba(59, 130, 246, 0.3),
      0 0 0 1px rgba(255, 255, 255, 0.1);
  }
}

/* �X�֨�D�n .btn-primary �w�q�� */

/* �a���ɪ�����i�ʰʵe */
@keyframes hover-ripple {
  0% {
    width: 0;
    height: 0;
    opacity: 0.8;
  }
  50% {
    width: 200px;
    height: 200px;
    opacity: 0.4;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

/* �����I���i�ʮĪG */
@keyframes page-ripple {
  0% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.01);
    filter: brightness(1.02);
  }
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}

.page-ripple-effect {
  animation: page-ripple 2s ease-in-out infinite;
}

.btn-outline{
  background: var(--clr-bg-primary);
  border-color: var(--clr-border-primary);
  color: var(--clr-text) !important; /* �j��ϥΥD�n��r�� */
  font-weight: var(--font-weight-semibold);
}

.btn-outline:hover:not(:disabled){
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: var(--clr-primary-ultra-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px) scale(1.02);
}

.btn-ghost{
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.3);
  color: var(--clr-text); /* �אּ�D�n��r��A�T�O�iŪ�� */
  font-weight: var(--font-weight-semibold);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

/* ������j���u�� btn-ghost ���s�C�� */
@media (max-width: 768px) {
  .btn-ghost {
    color: var(--mobile-text-primary) !important;
    background: rgba(30, 136, 229, 0.1) !important;
    border: 1px solid rgba(30, 136, 229, 0.3) !important;
    font-weight: 600 !important;
  }
  
  .btn-ghost:hover {
    color: var(--clr-primary) !important;
    background: rgba(30, 136, 229, 0.15) !important;
    border-color: rgba(30, 136, 229, 0.4) !important;
  }
}

.btn-ghost:hover:not(:disabled){
  color: var(--clr-primary);
  background: rgba(102, 126, 234, 0.2);
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px) scale(1.02);
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

/* Apple��m�t���s���� */
.btn-success{
  background: var(--clr-success);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled){
  background: #2FB84A;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-danger{
  background: var(--clr-danger);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled){
  background: #E6342A;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-warning{
  background: var(--clr-warning);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md);
}

.btn-warning:hover:not(:disabled){
  background: #E6850A;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* �T�������s�]�p */
@media (max-width:768px){
  .btn{
    padding:14px 18px;
    font-size:15px;
    min-height:48px;
  }
}

@media (max-width:480px){
  .btn{
    padding:16px 20px;
    font-size:16px;
    min-height:52px;
    width:100%;
    max-width:320px;
  }
  
  .btn-ghost{
    background:rgba(37,99,235,0.1) !important;
    border:1px solid rgba(37,99,235,0.3) !important;
    color: var(--mobile-text-primary) !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }
  
  .btn-ghost:hover {
    background: rgba(37,99,235,0.15) !important;
    border-color: rgba(37,99,235,0.4) !important;
    color: var(--clr-primary) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }
}

/* Header */
.site-header{
  position: fixed; /* �אּfixed���ɯ���T�w�b���� */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000; /* ����z-index�T�O�b�̤W�h */
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border-secondary);
  transition: var(--transition-slow);
  width: 100%; /* �T�O���e�� */
}

/* Main content - ����padding�קK�z�Z�ưʧl�� */
main {
  padding-top: 0; /* ����padding�A�קK�z�Z�ưʧl�� */
}

/* ��X��ɯ��檺��o�u�ʫ��ܾ� */
.nav-scroll-indicator {
  display: flex;
  align-items: center;
  gap: 8px; /* �W�[���Z */
  padding: var(--spacing-sm) var(--spacing-md); /* �W�[����Z */
  border-radius: 24px; /* ��j���ꨤ */
  background: rgba(0, 0, 0, 0.05); /* ����㪺�I�� */
  backdrop-filter: blur(15px); /* ��j���ҽk�ĪG */
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(0, 0, 0, 0.08); /* ��o��� */
  transition: var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05); /* ��o���v */
  flex-shrink: 0; /* ����Q���Y */
  order: 3; /* �T�O�b�k�� */
}

.nav-scroll-indicator:hover {
  background: rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.nav-scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.nav-scroll-dot::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: transparent;
  transition: var(--transition-normal);
}

.nav-scroll-dot.active {
  background: var(--clr-primary);
  transform: scale(1.4);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.nav-scroll-dot.active::before {
  background: rgba(99, 102, 241, 0.1);
}

.nav-scroll-dot:hover {
  background: var(--clr-primary);
  transform: scale(1.2);
}

/* ��o���u�ʶi�ױ� */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px; /* ��֨�1px�A���o */
  background: rgba(0, 0, 0, 0.05);
  z-index: 1001;
}

.scroll-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  width: 0%;
  transition: width var(--transition-normal);
  box-shadow: 0 0 8px rgba(0, 122, 255, 0.3); /* �K�[�L�����w */
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Apple��T�ɯ���t�� - 1000�U�����ŧO */
.container.nav{
  display: flex !important; /* �j���л\container��flex-direction: column */
  flex-direction: row !important; /* �j��������� */
  align-items: center;
  justify-content: space-between; /* �~�Plogo����A��L�����k�� */
  height: 60px !important; /* �j��� */
  position: relative;
  padding: 0 var(--spacing-xl) !important; /* �j���л\container��padding */
  backdrop-filter: blur(20px); /* �I���ҽk�ĪG */
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.8); /* �b�z���I�� */
  border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* ��o��� */
  gap: var(--spacing-lg); /* �������Z */
  max-width: none !important; /* ����container��max-width���� */
  margin: 0 !important; /* ����container��margin */
}

.brand{
  display: flex;
  align-items: center;
  gap: var(--spacing-md); /* �W�[���Z */
  text-decoration: none;
  color: var(--clr-text);
  font-weight: var(--font-weight-bold); /* ��ʪ��r�� */
  font-size: var(--font-size-xl); /* ��j���r�� */
  transition: var(--transition-normal);
  padding: var(--spacing-sm) var(--spacing-md); /* �W�[�I���ϰ� */
  border-radius: var(--radius-md); /* �ꨤ */
  position: relative;
  overflow: hidden;
  flex-shrink: 0; /* ����~�Plogo�Q���Y */
  order: 1; /* �T�O�b���� */
}

.brand:hover{
  color: var(--clr-primary);
  transform: translateY(-1px);
  background: rgba(0, 122, 255, 0.05); /* �a���I�� */
}

.brand:hover .brand-logo{
  transform: scale(1.05); /* logo�a����j */
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2); /* �a�����v */
}

.brand::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

.brand:hover::before {
  left: 100%;
}

.brand-logo{
  width: 36px; /* �W�[�j�p */
  height: 36px; /* �W�[�j�p */
  border-radius: var(--radius-sm);
  object-fit: cover;
  transition: var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); /* ��o���v */
}

.brand-text{
  font-family: var(--font-family-primary);
  letter-spacing: -0.01em;
}

.desktop-nav{
  display: flex;
  align-items: center;
  gap: var(--spacing-lg); /* ��ֶ��Z�A���� */
  flex: 1; /* ���ڤ����Ŷ� */
  justify-content: center; /* �~����� */
  order: 2; /* �T�O�b���� */
}

.desktop-nav a{
  color: var(--clr-text-secondary); /* �ϥΦ��n��r�� */
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
  padding: var(--spacing-sm) var(--spacing-lg); /* �W�[����Z */
  border-radius: var(--radius-md); /* ��j���ꨤ */
  position: relative;
  overflow: hidden;
  letter-spacing: -0.01em; /* Apple��T�r���Z */
}

.desktop-nav a:hover{
  color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.08); /* ���o���a���I�� */
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15); /* �a�����v */
}

.desktop-nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--clr-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.desktop-nav a:hover::before {
  width: 80%;
}

.desktop-nav a.active{
  color: var(--clr-primary);
  background: var(--clr-primary-ultra-light);
}

.brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:800;
  color:var(--clr-text);
  text-decoration:none;
  z-index:101;
}

.brand-text{
  font-size:16px;
  white-space:nowrap;
}

/* �����logo��r�u�� */
.brand-text-mobile {
  display: none;
}

@media (max-width: 768px) {
  .brand-text-full {
    display: none;
  }
  
  .brand-text-mobile {
    display: inline;
  }
  
  .brand-text {
    font-size: 14px;
    font-weight: 700;
  }
}

.brand-logo{
  height:28px;
  width:auto;
  border-radius:4px;
}

/* �ୱ���ɯ� */
.desktop-nav{
  display:flex;
  gap:16px;
}

.desktop-nav a{
  color:var(--clr-text-2);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  font-weight:500;
  transition:all 0.2s ease;
  position:relative;
}

.desktop-nav a:hover{
  color:var(--clr-primary);
  background:rgba(37,99,235,.08);
  transform:translateY(-1px);
}

/* ���e�襤���ɯ趵�ؼ˦� */
.desktop-nav a.current{
  color:var(--clr-primary);
  background:rgba(37,99,235,.12);
  transform:translateY(-1px);
  position:relative;
}

/* ��ʪ��ɯ���e���ؼ˦� */
.mobile-nav-link.current{
  background:rgba(37,99,235,.12);
  color:var(--clr-primary);
  border-left:3px solid var(--clr-primary);
}

.desktop-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  padding:10px 16px;
  border-radius:10px;
  transition:all 0.2s ease;
}

/* ��ʪ��~�������s - �u�ƽ�P�]�p */
.mobile-menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  width:48px;
  height:48px;
  background:linear-gradient(135deg, rgba(255,255,255,0.9), rgba(248,250,252,0.9));
  border:1px solid rgba(37,99,235,0.15);
  cursor:pointer;
  padding:10px;
  border-radius:12px;
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  z-index:999 !important;
  box-shadow:0 4px 12px rgba(0,0,0,0.08);
  backdrop-filter:blur(10px);
  position:relative;
  overflow:hidden;
}

.mobile-menu-toggle::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.05));
  opacity:0;
  transition:opacity 0.3s ease;
  border-radius:12px;
}

.mobile-menu-toggle:hover{
  background:linear-gradient(135deg, rgba(37,99,235,0.12), rgba(37,99,235,0.08));
  border-color:rgba(37,99,235,0.25);
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(37,99,235,0.15);
}

.mobile-menu-toggle:hover::before{
  opacity:1;
}

.mobile-menu-toggle:active{
  transform:translateY(0);
  box-shadow:0 2px 8px rgba(37,99,235,0.2);
}

.mobile-menu-toggle:focus{
  outline:3px solid rgba(37,99,235,0.3);
  outline-offset:2px;
}

.mobile-menu-toggle[aria-expanded="true"]{
  background:linear-gradient(135deg, rgba(37,99,235,0.15), rgba(37,99,235,0.1));
  border-color:rgba(37,99,235,0.3);
  box-shadow:0 6px 20px rgba(37,99,235,0.2);
}

.hamburger-line{
  width:22px;
  height:3px;
  background:linear-gradient(90deg, var(--clr-primary), var(--clr-primary-dark));
  border-radius:3px;
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  transform-origin:center;
  position:relative;
  box-shadow:0 1px 3px rgba(37,99,235,0.3);
}

.hamburger-line::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(90deg, rgba(255,255,255,0.3), rgba(255,255,255,0.1));
  border-radius:3px;
  opacity:0;
  transition:opacity 0.3s ease;
}

.mobile-menu-toggle:hover .hamburger-line::before{
  opacity:1;
}

/* �u�ƪ��ʵe�ഫ�ĪG */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1){
  transform:rotate(45deg) translate(6px,6px);
  background:linear-gradient(45deg, var(--clr-primary), var(--clr-primary-dark));
  box-shadow:0 2px 6px rgba(37,99,235,0.4);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2){
  opacity:0;
  transform:scaleX(0) translateX(10px);
  background:transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3){
  transform:rotate(-45deg) translate(6px,-6px);
  background:linear-gradient(-45deg, var(--clr-primary), var(--clr-primary-dark));
  box-shadow:0 2px 6px rgba(37,99,235,0.4);
}

/* �K�[�L�����߽ĮĪG */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow:0 4px 12px rgba(0,0,0,0.08);
  }
  50% {
    box-shadow:0 6px 20px rgba(37,99,235,0.2);
  }
}

.mobile-menu-toggle[aria-expanded="true"]{
  animation:pulse-glow 2s ease-in-out infinite;
}

/* ��ʪ��ɯ��� - ����P���Ƴ]�p */
.mobile-nav{
  position:fixed;
  top:0;
  right:0;
  width:320px;
  height:100vh;
  z-index:99;
  opacity:0;
  visibility:hidden;
  transform:translateX(100%);
  transition:all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden; /* ������u�� */
}

.mobile-nav.active{
  opacity:1;
  visibility:visible;
  transform:translateX(0);
}

.mobile-nav-content{
  width:100%;
  height:100%;
  background:linear-gradient(135deg, 
    rgba(255,255,255,0.98) 0%, 
    rgba(248,250,252,0.95) 50%,
    rgba(241,245,249,0.92) 100%);
  box-shadow:-12px 0 40px rgba(0,0,0,0.15);
  padding:0;
  overflow:hidden;
  border-left:1px solid rgba(37,99,235,0.1);
  backdrop-filter:blur(20px);
  position:relative;
  display:flex;
  flex-direction:column;
}

.mobile-nav-content::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, 
    rgba(37,99,235,0.02) 0%,
    rgba(37,99,235,0.01) 50%,
    transparent 100%);
  pointer-events:none;
}

/* �����D�ϰ� - �T�w���� */
.mobile-nav-header{
  padding:24px 20px 16px;
  border-bottom:1px solid rgba(37,99,235,0.1);
  background:linear-gradient(135deg, 
    rgba(255,255,255,0.95) 0%,
    rgba(248,250,252,0.9) 100%);
  position:relative;
  z-index:2;
  flex-shrink:0;
}

.mobile-nav-title{
  font-size:18px;
  font-weight:700;
  color:var(--clr-text);
  margin:0;
  text-align:center;
  background:linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ��椺�e�ϰ� - �i�u�� */
.mobile-nav-body{
  flex:1;
  overflow-y:visible; /* �אּvisible�A�קK�����u�� */
  padding:16px 0;
  scrollbar-width:thin;
  scrollbar-color:rgba(37,99,235,0.3) transparent;
}

.mobile-nav-body::-webkit-scrollbar{
  width:4px;
}

.mobile-nav-body::-webkit-scrollbar-track{
  background:transparent;
}

.mobile-nav-body::-webkit-scrollbar-thumb{
  background:rgba(37,99,235,0.3);
  border-radius:2px;
}

.mobile-nav-body::-webkit-scrollbar-thumb:hover{
  background:rgba(37,99,235,0.5);
}

/* �I���B�n - �u�B�׳����ϰ� */
.mobile-nav-overlay{
  position:fixed;
  top:0;
  left:0;
  width:calc(100vw - 320px);
  height:100vh;
  background:rgba(0,0,0,0.3);
  backdrop-filter:blur(4px);
  z-index:98;
  opacity:0;
  visibility:hidden;
  transition:all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mobile-nav.active ~ .mobile-nav-overlay{
  opacity:1;
  visibility:visible;
}

.mobile-nav-link{
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px 24px;
  color:var(--clr-text);
  text-decoration:none;
  font-weight:500;
  transition:all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position:relative;
  margin:0 16px 6px;
  border-radius:16px;
  background:transparent;
  border:1px solid transparent;
}

/* ������j���u�ƾɯ���r���C�� */
@media (max-width: 768px) {
  .mobile-nav-link {
    color: var(--mobile-text-primary) !important;
    font-weight: 600 !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(229, 231, 235, 0.5) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
  }
  
  .mobile-nav-link:hover {
    color: var(--clr-primary) !important;
    background: rgba(30, 136, 229, 0.1) !important;
    border-color: rgba(30, 136, 229, 0.3) !important;
    transform: translateX(4px) !important;
    box-shadow: 0 4px 16px rgba(30, 136, 229, 0.15) !important;
  }
}

.mobile-nav-link::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:0;
  background:linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  border-radius:0 4px 4px 0;
  transition:all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow:0 0 8px rgba(37,99,235,0.3);
}

.mobile-nav-link::after{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, rgba(37,99,235,0.05), rgba(37,99,235,0.02));
  border-radius:16px;
  opacity:0;
  transition:opacity 0.3s ease;
}

.mobile-nav-link:hover{
  background:linear-gradient(135deg, rgba(37,99,235,0.08), rgba(37,99,235,0.04));
  color:var(--clr-primary);
  transform:translateX(8px);
  box-shadow:0 8px 25px rgba(37,99,235,0.15);
  border-color:rgba(37,99,235,0.2);
}

.mobile-nav-link:hover::before{
  height:70%;
  box-shadow:0 0 12px rgba(37,99,235,0.4);
}

.mobile-nav-link:hover::after{
  opacity:1;
}

.mobile-nav-link:active{
  transform:translateX(6px) scale(0.98);
  box-shadow:0 4px 15px rgba(37,99,235,0.2);
}

.nav-icon{
  width:36px;
  height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(248,250,252,0.95));
  border-radius:12px;
  transition:all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border:1px solid rgba(229, 231, 235, 0.8);
  box-shadow:0 3px 16px rgba(0,0,0,0.1);
  position:relative;
  z-index:1;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.nav-icon svg {
  width: 20px;
  height: 20px;
  color: var(--clr-primary);
  transition: all 0.3s ease;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.15));
}

.nav-icon::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.1));
  border-radius:12px;
  opacity:0;
  transition:opacity 0.3s ease;
}

.mobile-nav-link:hover .nav-icon {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  transform:scale(1.05) rotate(2deg);
  box-shadow:0 6px 20px rgba(37,99,235,0.3);
  border-color:rgba(255,255,255,0.3);
}

.mobile-nav-link:hover .nav-icon svg {
  color: white;
  transform: scale(1.1);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.mobile-nav-link:hover .nav-icon::before{
  opacity:1;
}

/* �ϼзL�ʵe�ĪG */
.nav-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
}

.mobile-nav-link:hover .nav-icon::after {
  width: 100%;
  height: 100%;
  opacity: 1;
}

/* �ϼжi�J�ʵe */
.mobile-nav-link .nav-icon {
  animation: iconSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: calc(var(--icon-index, 0) * 0.1s);
}

@keyframes iconSlideIn {
  from {
    opacity: 0;
    transform: translateX(-20px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* �ϼн�P�u�� */
.nav-icon {
  position: relative;
}

.nav-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.4), transparent);
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav-link:hover .nav-icon::before {
  opacity: 1;
}

/* �ϼХ��w�ĪG */
.nav-icon svg {
  position: relative;
  z-index: 2;
}

/* �ϼ��a���ɪ��L���_�� */
.mobile-nav-link:hover .nav-icon {
  animation: iconPulse 0.6s ease-in-out;
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1.05) rotate(2deg); }
  50% { transform: scale(1.08) rotate(3deg); }
}

.mobile-nav-cta{
  padding:24px 20px;
  margin:20px 16px 16px;
  border-radius:20px;
  background:linear-gradient(135deg, 
    rgba(37,99,235,0.08) 0%,
    rgba(37,99,235,0.04) 50%,
    rgba(37,99,235,0.02) 100%);
  border:1px solid rgba(37,99,235,0.15);
  position:relative;
  overflow:hidden;
}

.mobile-nav-cta::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, 
    rgba(37,99,235,0.05) 0%,
    transparent 50%,
    rgba(37,99,235,0.02) 100%);
  opacity:0;
  transition:opacity 0.3s ease;
}

.mobile-nav-cta:hover::before{
  opacity:1;
}

.mobile-cta-btn{
  width:100%;
  justify-content:center;
  padding:18px 28px;
  font-size:16px;
  font-weight:600;
  background:linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  border:none;
  border-radius:16px;
  box-shadow:0 8px 25px rgba(37,99,235,0.3);
  transition:all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position:relative;
  overflow:hidden;
}

.mobile-cta-btn::before{
  content:'';
  position:absolute;
  top:0;
  left:-100%;
  width:100%;
  height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition:left 0.6s ease;
}

.mobile-cta-btn:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 35px rgba(37,99,235,0.4);
}

.mobile-cta-btn:hover::before{
  left:100%;
}

.mobile-cta-btn:active{
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(37,99,235,0.3);
}

/* �T�����]�p */
@media (max-width:768px){
  .mobile-menu-toggle{
    display:flex;
  }
  
  .desktop-nav,
  .desktop-cta{
    display:none;
  }
  
  .brand-text{
    font-size:14px;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .brand-logo{
    height:24px;
  }
  
  .nav {
    justify-content: space-between;
    gap: 16px;
  }
  
  .brand {
    flex-shrink: 0;
    min-width: 0;
  }
}

@media (max-width:480px){
  .nav{
    height:56px;
  }
  
  .brand-text{
    font-size:13px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .brand-logo{
    height:22px;
  }
  
  .nav {
    justify-content: space-between;
    gap: 12px;
  }
  
  .mobile-menu-toggle{
    width:44px;
    height:44px;
    padding:8px;
  }
  
  .hamburger-line{
    width:20px;
    height:2.5px;
  }
  
  .mobile-nav{
    width:280px;
  }
  
  .mobile-nav-overlay{
    width:calc(100vw - 280px);
  }
  
  .mobile-nav-header{
    padding:20px 16px 12px;
  }
  
  .mobile-nav-title{
    font-size:16px;
  }
  
  .mobile-nav-body{
    padding:12px 0;
  }
  
  .mobile-nav-link{
    padding:16px 20px;
    font-size:16px;
    margin:0 12px 4px;
  }
  
  .nav-icon{
    font-size:20px;
    width:28px;
    height:28px;
  }
  
  .mobile-nav-cta{
    padding:20px 16px;
    margin:16px 12px 12px;
  }
  
  .mobile-cta-btn{
    padding:16px 24px;
    font-size:15px;
  }
}

/* Hero */
.hero{
  padding: 80px 0;
  position: relative;
  overflow-x: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--clr-text-inverse);
  border-radius: 0;
  margin: 0;
  box-shadow: none;
  width: 100%;
  animation: backgroundShift 40s linear infinite;
}

/* �ʺA�I���ʵe - �W�ӽo���ܹL�� (120�Ө���) */
@keyframes backgroundShift {
  0% { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
  0.83% { background: linear-gradient(137deg, #667eea 0%, #764ba2 100%); }
  1.66% { background: linear-gradient(139deg, #667eea 0%, #764ba2 100%); }
  2.5% { background: linear-gradient(141deg, #667eea 0%, #764ba2 100%); }
  3.33% { background: linear-gradient(143deg, #667eea 0%, #764ba2 100%); }
  4.16% { background: linear-gradient(145deg, #667eea 0%, #764ba2 100%); }
  5% { background: linear-gradient(147deg, #667eea 0%, #764ba2 100%); }
  5.83% { background: linear-gradient(149deg, #667eea 0%, #764ba2 100%); }
  6.66% { background: linear-gradient(151deg, #667eea 0%, #764ba2 100%); }
  7.5% { background: linear-gradient(153deg, #667eea 0%, #764ba2 100%); }
  8.33% { background: linear-gradient(155deg, #667eea 0%, #764ba2 100%); }
  9.16% { background: linear-gradient(157deg, #667eea 0%, #764ba2 100%); }
  10% { background: linear-gradient(159deg, #667eea 0%, #764ba2 100%); }
  10.83% { background: linear-gradient(161deg, #667eea 0%, #764ba2 100%); }
  11.66% { background: linear-gradient(163deg, #667eea 0%, #764ba2 100%); }
  12.5% { background: linear-gradient(165deg, #667eea 0%, #764ba2 100%); }
  13.33% { background: linear-gradient(167deg, #667eea 0%, #764ba2 100%); }
  14.16% { background: linear-gradient(169deg, #667eea 0%, #764ba2 100%); }
  15% { background: linear-gradient(171deg, #667eea 0%, #764ba2 100%); }
  15.83% { background: linear-gradient(173deg, #667eea 0%, #764ba2 100%); }
  16.66% { background: linear-gradient(175deg, #667eea 0%, #764ba2 100%); }
  17.5% { background: linear-gradient(177deg, #667eea 0%, #764ba2 100%); }
  18.33% { background: linear-gradient(179deg, #667eea 0%, #764ba2 100%); }
  19.16% { background: linear-gradient(181deg, #667eea 0%, #764ba2 100%); }
  20% { background: linear-gradient(183deg, #667eea 0%, #764ba2 100%); }
  20.83% { background: linear-gradient(185deg, #667eea 0%, #764ba2 100%); }
  21.66% { background: linear-gradient(187deg, #667eea 0%, #764ba2 100%); }
  22.5% { background: linear-gradient(189deg, #667eea 0%, #764ba2 100%); }
  23.33% { background: linear-gradient(191deg, #667eea 0%, #764ba2 100%); }
  24.16% { background: linear-gradient(193deg, #667eea 0%, #764ba2 100%); }
  25% { background: linear-gradient(195deg, #667eea 0%, #764ba2 100%); }
  25.83% { background: linear-gradient(197deg, #667eea 0%, #764ba2 100%); }
  26.66% { background: linear-gradient(199deg, #667eea 0%, #764ba2 100%); }
  27.5% { background: linear-gradient(201deg, #667eea 0%, #764ba2 100%); }
  28.33% { background: linear-gradient(203deg, #667eea 0%, #764ba2 100%); }
  29.16% { background: linear-gradient(205deg, #667eea 0%, #764ba2 100%); }
  30% { background: linear-gradient(207deg, #667eea 0%, #764ba2 100%); }
  30.83% { background: linear-gradient(209deg, #667eea 0%, #764ba2 100%); }
  31.66% { background: linear-gradient(211deg, #667eea 0%, #764ba2 100%); }
  32.5% { background: linear-gradient(213deg, #667eea 0%, #764ba2 100%); }
  33.33% { background: linear-gradient(215deg, #667eea 0%, #764ba2 100%); }
  34.16% { background: linear-gradient(217deg, #667eea 0%, #764ba2 100%); }
  35% { background: linear-gradient(219deg, #667eea 0%, #764ba2 100%); }
  35.83% { background: linear-gradient(221deg, #667eea 0%, #764ba2 100%); }
  36.66% { background: linear-gradient(223deg, #667eea 0%, #764ba2 100%); }
  37.5% { background: linear-gradient(225deg, #667eea 0%, #764ba2 100%); }
  38.33% { background: linear-gradient(227deg, #667eea 0%, #764ba2 100%); }
  39.16% { background: linear-gradient(229deg, #667eea 0%, #764ba2 100%); }
  40% { background: linear-gradient(231deg, #667eea 0%, #764ba2 100%); }
  40.83% { background: linear-gradient(233deg, #667eea 0%, #764ba2 100%); }
  41.66% { background: linear-gradient(235deg, #667eea 0%, #764ba2 100%); }
  42.5% { background: linear-gradient(237deg, #667eea 0%, #764ba2 100%); }
  43.33% { background: linear-gradient(239deg, #667eea 0%, #764ba2 100%); }
  44.16% { background: linear-gradient(241deg, #667eea 0%, #764ba2 100%); }
  45% { background: linear-gradient(243deg, #667eea 0%, #764ba2 100%); }
  45.83% { background: linear-gradient(245deg, #667eea 0%, #764ba2 100%); }
  46.66% { background: linear-gradient(247deg, #667eea 0%, #764ba2 100%); }
  47.5% { background: linear-gradient(249deg, #667eea 0%, #764ba2 100%); }
  48.33% { background: linear-gradient(251deg, #667eea 0%, #764ba2 100%); }
  49.16% { background: linear-gradient(253deg, #667eea 0%, #764ba2 100%); }
  50% { background: linear-gradient(255deg, #667eea 0%, #764ba2 100%); }
  50.83% { background: linear-gradient(257deg, #667eea 0%, #764ba2 100%); }
  51.66% { background: linear-gradient(259deg, #667eea 0%, #764ba2 100%); }
  52.5% { background: linear-gradient(261deg, #667eea 0%, #764ba2 100%); }
  53.33% { background: linear-gradient(263deg, #667eea 0%, #764ba2 100%); }
  54.16% { background: linear-gradient(265deg, #667eea 0%, #764ba2 100%); }
  55% { background: linear-gradient(267deg, #667eea 0%, #764ba2 100%); }
  55.83% { background: linear-gradient(269deg, #667eea 0%, #764ba2 100%); }
  56.66% { background: linear-gradient(271deg, #667eea 0%, #764ba2 100%); }
  57.5% { background: linear-gradient(273deg, #667eea 0%, #764ba2 100%); }
  58.33% { background: linear-gradient(275deg, #667eea 0%, #764ba2 100%); }
  59.16% { background: linear-gradient(277deg, #667eea 0%, #764ba2 100%); }
  60% { background: linear-gradient(279deg, #667eea 0%, #764ba2 100%); }
  60.83% { background: linear-gradient(281deg, #667eea 0%, #764ba2 100%); }
  61.66% { background: linear-gradient(283deg, #667eea 0%, #764ba2 100%); }
  62.5% { background: linear-gradient(285deg, #667eea 0%, #764ba2 100%); }
  63.33% { background: linear-gradient(287deg, #667eea 0%, #764ba2 100%); }
  64.16% { background: linear-gradient(289deg, #667eea 0%, #764ba2 100%); }
  65% { background: linear-gradient(291deg, #667eea 0%, #764ba2 100%); }
  65.83% { background: linear-gradient(293deg, #667eea 0%, #764ba2 100%); }
  66.66% { background: linear-gradient(295deg, #667eea 0%, #764ba2 100%); }
  67.5% { background: linear-gradient(297deg, #667eea 0%, #764ba2 100%); }
  68.33% { background: linear-gradient(299deg, #667eea 0%, #764ba2 100%); }
  69.16% { background: linear-gradient(301deg, #667eea 0%, #764ba2 100%); }
  70% { background: linear-gradient(303deg, #667eea 0%, #764ba2 100%); }
  70.83% { background: linear-gradient(305deg, #667eea 0%, #764ba2 100%); }
  71.66% { background: linear-gradient(307deg, #667eea 0%, #764ba2 100%); }
  72.5% { background: linear-gradient(309deg, #667eea 0%, #764ba2 100%); }
  73.33% { background: linear-gradient(311deg, #667eea 0%, #764ba2 100%); }
  74.16% { background: linear-gradient(313deg, #667eea 0%, #764ba2 100%); }
  75% { background: linear-gradient(315deg, #667eea 0%, #764ba2 100%); }
  75.83% { background: linear-gradient(317deg, #667eea 0%, #764ba2 100%); }
  76.66% { background: linear-gradient(319deg, #667eea 0%, #764ba2 100%); }
  77.5% { background: linear-gradient(321deg, #667eea 0%, #764ba2 100%); }
  78.33% { background: linear-gradient(323deg, #667eea 0%, #764ba2 100%); }
  79.16% { background: linear-gradient(325deg, #667eea 0%, #764ba2 100%); }
  80% { background: linear-gradient(327deg, #667eea 0%, #764ba2 100%); }
  80.83% { background: linear-gradient(329deg, #667eea 0%, #764ba2 100%); }
  81.66% { background: linear-gradient(331deg, #667eea 0%, #764ba2 100%); }
  82.5% { background: linear-gradient(333deg, #667eea 0%, #764ba2 100%); }
  83.33% { background: linear-gradient(335deg, #667eea 0%, #764ba2 100%); }
  84.16% { background: linear-gradient(337deg, #667eea 0%, #764ba2 100%); }
  85% { background: linear-gradient(339deg, #667eea 0%, #764ba2 100%); }
  85.83% { background: linear-gradient(341deg, #667eea 0%, #764ba2 100%); }
  86.66% { background: linear-gradient(343deg, #667eea 0%, #764ba2 100%); }
  87.5% { background: linear-gradient(345deg, #667eea 0%, #764ba2 100%); }
  88.33% { background: linear-gradient(347deg, #667eea 0%, #764ba2 100%); }
  89.16% { background: linear-gradient(349deg, #667eea 0%, #764ba2 100%); }
  90% { background: linear-gradient(351deg, #667eea 0%, #764ba2 100%); }
  90.83% { background: linear-gradient(353deg, #667eea 0%, #764ba2 100%); }
  91.66% { background: linear-gradient(355deg, #667eea 0%, #764ba2 100%); }
  92.5% { background: linear-gradient(357deg, #667eea 0%, #764ba2 100%); }
  93.33% { background: linear-gradient(359deg, #667eea 0%, #764ba2 100%); }
  94.16% { background: linear-gradient(1deg, #667eea 0%, #764ba2 100%); }
  95% { background: linear-gradient(3deg, #667eea 0%, #764ba2 100%); }
  95.83% { background: linear-gradient(5deg, #667eea 0%, #764ba2 100%); }
  96.66% { background: linear-gradient(7deg, #667eea 0%, #764ba2 100%); }
  97.5% { background: linear-gradient(9deg, #667eea 0%, #764ba2 100%); }
  98.33% { background: linear-gradient(11deg, #667eea 0%, #764ba2 100%); }
  99.16% { background: linear-gradient(13deg, #667eea 0%, #764ba2 100%); }
  100% { background: linear-gradient(15deg, #667eea 0%, #764ba2 100%); }
}

/* �B�ʲɤl�ĪG - ²�ƵξA */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
  animation: floatParticles 40s linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes floatParticles {
  0% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.7;
  }
  100% {
    transform: translateY(-20px) rotate(360deg);
    opacity: 0.9;
  }
}


/* Hero �ϰ쪺�ưʴ��� */
.hero::after {
  content: '��';
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  color: var(--clr-primary);
  animation: bounce 2s infinite;
  pointer-events: none;
  opacity: 0.8;
  z-index: 10;
}

.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:32px;
  align-items:center;
  min-height:480px;
  position: relative;
  z-index: 10;
}

/* �T�w���ߥ��w�ĪG */
.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulseGlow 12s ease-in-out infinite;
  pointer-events: none;
  z-index: 2;
}

@keyframes pulseGlow {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0.6;
  }
}

.hero h1{
  margin:0 0 20px;
  font-size:3.5rem;
  line-height:1.2;
  font-weight:700;
  color: var(--clr-text-inverse); /* �T�O���D��r�i�� */
  text-shadow: 0 2px 4px rgba(0,0,0,0.2); /* �X�M���v */
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  font-size: 1.1em;
  font-weight: 600;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.hero .accent{
  background: linear-gradient(135deg, #FCD34D, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.subtitle{
  color: var(--clr-text-inverse); /* �ϥΤϦ��r�A�T�O�iŪ�� */
  margin:0 0 16px;
  font-size:18px;
  line-height:1.6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2); /* �W�[���v���� */
}

.hero-cta{
  display:flex;
  gap:12px;
  margin:16px 0 8px;
  flex-wrap:wrap;
}

.hero-bullets{
  margin:12px 0 0;
  padding-left:18px;
  color: var(--clr-text-inverse); /* �ϥΤϦ��r�A�T�O�iŪ�� */
  font-size:14px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2); /* �W�[���v���� */
}

.hero-bullets li{
  margin:4px 0;
}

.hero-visual{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* �����w���e�� - �u�ƹ���M�]�p */
.website-preview {
  width: 100%;
  height: 324px; /* �ǰtiframe�����ܰ��� (1080 �� 0.3 = 324px) */
  border-radius: 20px;
  overflow: visible; /* �אּvisible��MacBook�ج[��� */
  box-shadow: 
    0 25px 50px rgba(37,99,235,0.15),
    0 0 0 1px rgba(255,255,255,0.95),
    inset 0 1px 0 rgba(255,255,255,0.8),
    0 0 60px rgba(102,126,234,0.1); /* �K�[�~�h���w */
  border: 1px solid rgba(37,99,235,0.12);
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  backdrop-filter: blur(15px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 20px; /* ��MacBook�ج[�d�X�Ŷ� */
}

.website-preview:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 35px 70px rgba(37,99,235,0.2),
    0 0 0 1px rgba(255,255,255,0.98),
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 0 80px rgba(102,126,234,0.15); /* �W�j���w�ĪG */
}

.preview-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  /* �T�O�e��������T���iframe */
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
  z-index: 2; /* �T�O�bMacBook�ج[���W */
}

/* MacBook�~�� - �{�N�Ʋ`�Ŧ� */
.preview-container::before {
  content: '';
  position: absolute;
  top: -30px;
  left: -30px;
  right: -30px;
  bottom: -30px;
  background: linear-gradient(145deg, 
    #1a1a1c 0%, 
    #2d2d30 25%, 
    #1e1e20 50%, 
    #2a2a2d 75%, 
    #1a1a1c 100%
  );
  border-radius: 32px;
  z-index: 0;
  box-shadow: 
    0 30px 60px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.08),
    inset 0 3px 12px rgba(255,255,255,0.1),
    inset 0 -3px 12px rgba(0,0,0,0.4),
    0 0 40px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

.preview-container:hover::before {
  box-shadow: 
    0 35px 70px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.12),
    inset 0 3px 12px rgba(255,255,255,0.15),
    inset 0 -3px 12px rgba(0,0,0,0.5),
    0 0 50px rgba(0,0,0,0.4);
}

/* MacBook�ù���� - ��o�Ȧ� */
.preview-container::after {
  content: '';
  position: absolute;
  top: -22px;
  left: -22px;
  right: -22px;
  bottom: -22px;
  background: linear-gradient(145deg, 
    #f8f9fa 0%, 
    #e9ecef 20%, 
    #dee2e6 40%, 
    #e9ecef 60%, 
    #f8f9fa 80%, 
    #ffffff 100%
  );
  border-radius: 26px;
  z-index: 1;
  box-shadow: 
    0 20px 40px rgba(0,0,0,0.25),
    inset 0 2px 6px rgba(255,255,255,0.95),
    inset 0 -2px 6px rgba(0,0,0,0.15),
    0 0 0 1px rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}

.preview-container:hover::after {
  box-shadow: 
    0 25px 50px rgba(0,0,0,0.3),
    inset 0 2px 6px rgba(255,255,255,1),
    inset 0 -2px 6px rgba(0,0,0,0.2),
    0 0 0 1px rgba(255,255,255,0.3);
}

/* MacBook���� - ²��]�p */
.macbook-hinge {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 16px;
  background: linear-gradient(145deg, 
    #1a1a1c 0%, 
    #2d2d30 50%, 
    #1a1a1c 100%
  );
  border-radius: 8px 8px 0 0;
  z-index: -1;
  box-shadow: 
    0 8px 20px rgba(0,0,0,0.4),
    inset 0 2px 4px rgba(255,255,255,0.08),
    inset 0 -2px 4px rgba(0,0,0,0.2);
}

/* �V�U�u�ʫ��ܾ� */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 10;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

.scroll-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.scroll-arrow {
  position: relative;
  width: 2px;
  height: 30px;
}

.arrow-line {
  width: 2px;
  height: 20px;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.8) 0%, 
    rgba(255, 255, 255, 0.4) 50%, 
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 1px;
  animation: scrollLine 2s ease-in-out infinite;
}

.arrow-head {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 6px solid rgba(255, 255, 255, 0.8);
  animation: scrollArrow 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% {
    height: 20px;
    opacity: 0.8;
  }
  50% {
    height: 25px;
    opacity: 1;
  }
}

@keyframes scrollArrow {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.8;
  }
  50% {
    transform: translateX(-50%) translateY(3px);
    opacity: 1;
  }
}

/* MacBook�ù����� */
.macbook-screen-glass {
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  border-radius: 20px;
  z-index: 2;
  backdrop-filter: blur(1px);
}

/* MacBook�ù��ṳ�Y - ��o�]�p */
.macbook-camera {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: radial-gradient(circle, 
    #1a1a1c 0%, 
    #2d2d30 30%, 
    #1e1e20 60%, 
    #000 100%
  );
  border-radius: 50%;
  z-index: 4;
  box-shadow: 
    0 3px 8px rgba(0,0,0,0.5),
    inset 0 2px 4px rgba(255,255,255,0.15),
    inset 0 -1px 2px rgba(0,0,0,0.3),
    0 0 0 1px rgba(255,255,255,0.08),
    0 0 10px rgba(0,0,0,0.3);
}

/* MacBook�ù����n�� - ��o�]�p */
.macbook-speaker-left {
  position: absolute;
  top: -12px;
  left: 20%;
  transform: translateX(-50%);
  width: 100px;
  height: 6px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #1a1a1c 5%, 
    #2d2d30 15%, 
    #1e1e20 25%,
    #2a2a2d 35%,
    #1a1a1c 45%,
    #1e1e20 55%,
    #2a2a2d 65%,
    #1e1e20 75%,
    #2d2d30 85%,
    #1a1a1c 95%,
    transparent 100%
  );
  border-radius: 4px;
  z-index: 4;
  box-shadow: 
    0 2px 6px rgba(0,0,0,0.4),
    inset 0 2px 4px rgba(255,255,255,0.1),
    inset 0 -1px 2px rgba(0,0,0,0.2),
    0 0 0 1px rgba(255,255,255,0.05);
}

.macbook-speaker-right {
  position: absolute;
  top: -12px;
  right: 20%;
  transform: translateX(50%);
  width: 100px;
  height: 6px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #1a1a1c 5%, 
    #2d2d30 15%, 
    #1e1e20 25%,
    #2a2a2d 35%,
    #1a1a1c 45%,
    #1e1e20 55%,
    #2a2a2d 65%,
    #1e1e20 75%,
    #2d2d30 85%,
    #1a1a1c 95%,
    transparent 100%
  );
  border-radius: 4px;
  z-index: 4;
  box-shadow: 
    0 2px 6px rgba(0,0,0,0.4),
    inset 0 2px 4px rgba(255,255,255,0.1),
    inset 0 -1px 2px rgba(0,0,0,0.2),
    0 0 0 1px rgba(255,255,255,0.05);
}

/* MacBook�ù��Ϯg�ĪG */
.website-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.1) 0%,
    transparent 20%,
    transparent 80%,
    rgba(255,255,255,0.05) 100%
  );
  border-radius: 20px;
  pointer-events: none;
  z-index: 10;
}

/* MacBook�ù��������A */
.website-preview::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.2) 0%,
    rgba(255,255,255,0.05) 50%,
    transparent 100%
  );
  border-radius: 20px 20px 0 0;
  pointer-events: none;
  z-index: 11;
}

.preview-container iframe {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 1920px !important;
  height: 1200px !important; /* 16:10 MacBook�ù���� */
  border: 0 !important;
  transform: translate(-50%, -50%) scale(0.30) !important; /* �u���Y��H�����A�t�s�]�p */
  transform-origin: center center !important;
  /* ����u�ʨƥ�_�w */
  overflow: hidden !important;
  scroll-behavior: auto !important;
  box-shadow: 
    0 4px 12px rgba(0,0,0,.08),
    inset 0 0 0 1px rgba(0,0,0,0.1);
  border-radius: 8px;
  z-index: 10; /* ����z-index�T�Oiframe�b�Ҧ��������W */
}

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.311) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.311) translateY(0);
  }
}

/* �j��iframe���e��ܬ��ୱ�� - �w�b�W��w�q */

/* �����z�Z��CSS�W�h */

/* �j��iframe���e��ܬ��ୱ���G�� - �w�b�W��w�q */

.preview-overlay {
  display: none; /* ���é����B�̩M�I�I */
}

/* �������J���A���ܾ� */

/* ²��iframe��� - �P���\�רҤ@�P */

/* ���éҦ��w���л\�h�������� */
.preview-indicators,
.indicator,
.preview-title {
  display: none !important;
}

/* �T�����]�p */
@media (max-width:1024px){
  .hero {
    padding: 60px 0;
    min-height: 90vh;
  }
  
  .hero-inner{
    gap: 2rem;
    align-items: center;
  }
  
  .hero-text {
    max-width: 100%;
  }
  
  .hero h1{
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
  }
  
  .hero h1 .accent {
    font-size: 1.1em;
  }
  
  .subtitle{
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
  }
  
  .hero-bullets {
    margin-bottom: 2rem;
  }
  
  .hero-bullets li {
    font-size: 1rem;
    margin-bottom: 0.8rem;
  }
  
  .hero-cta {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-cta .btn {
    flex: 1;
    min-width: 200px;
    padding: 1rem 1.5rem;
  }
}

@media (max-width: 900px) {
  .hero-inner {
    gap: 1.5rem;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .hero-bullets li {
    font-size: 0.95rem;
  }
  
  .hero-cta .btn {
    padding: 0.9rem 1.2rem;
    font-size: 0.9rem;
  }
}

@media (max-width:768px){
  .hero{
    padding: 40px 0 20px;
    min-height: 100vh;
  }
  
  .hero-inner{
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
    min-height: auto;
  }
  
  .hero-text {
    order: 2;
  }
  
  .hero-visual {
    order: 1;
  }
  
  .hero h1{
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .hero h1 .accent {
    font-size: 1.05em;
  }
  
  .subtitle{
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
  }
  
  .hero-bullets {
    margin-bottom: 1.5rem;
  }
  
  .hero-bullets li {
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
  }
  
  .hero-cta{
    flex-direction: column;
    gap: 0.8rem;
    margin: 1.5rem 0;
  }
  
  .hero-cta .btn {
    width: 100%;
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .website-preview {
    height: 216px; /* �ǰtiframe�����ܰ��� (1080 �� 0.3 = 324px�A���e���y�p) */
    border-radius: 16px;
    margin: 15px; /* ��MacBook�ج[�d�X�Ŷ� */
  }
  
  .preview-container {
    border-radius: 16px;
  }
  
  /* ���O��MacBook�ج[�վ� */
  .preview-container::before {
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 20px;
  }
  
  .preview-container::after {
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 18px;
  }
  
  /* ���O��MacBook�ե�վ� */
  .macbook-camera {
    width: 10px;
    height: 10px;
  }
  
  .macbook-speaker-left,
  .macbook-speaker-right {
    width: 75px;
    height: 5px;
  }
  
  .macbook-hinge {
    width: 90px;
    height: 12px;
  }
  
  /* ���O���u�ʫ��ܾ� */
  .scroll-indicator {
    bottom: 25px;
  }
  
  .scroll-text {
    font-size: 13px;
  }
  
  .scroll-arrow {
    height: 28px;
  }
  
  .arrow-line {
    height: 18px;
  }
  
  .arrow-head {
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-top: 5px solid rgba(255, 255, 255, 0.8);
  }
  
  .preview-container iframe {
    transform: translate(-50%, -50%) scale(0.25) !important; /* �վ��Y��H�A��16:10��� */
    border-radius: 8px;
    z-index: 10 !important; /* �T�O���O��iframe�]�b�̤W�h */
  }
  
  /* �T���������]���ùw���л\�h */
}

@media (max-width:480px){
  .hero{
    padding:32px 0 20px;
  }
  
  .hero h1{
    font-size:24px;
    line-height:1.3;
  }
  
  .subtitle{
    font-size:15px;
    margin-bottom:18px;
  }
  
  .hero-cta{
    flex-direction:column;
    align-items:center;
    gap:8px;
  }
  
  .hero-cta .btn{
    width:100%;
    max-width:280px;
    padding:12px 20px;
  }
  
  .website-preview {
     height: 162px;
     border-radius: 14px;
     margin: 0 auto;
     max-width: 320px;
  }
  
  .preview-container {
    border-radius: 14px;
   }
   
   /* ���������MacBook�ج[ */
   .preview-container::before,
   .preview-container::after {
     display: none;
   }
   
   .macbook-camera,
   .macbook-speaker-left,
   .macbook-speaker-right,
   .macbook-hinge {
     display: none;
   }
  
   /* ������u�ʫ��ܾ� */
   .scroll-indicator {
     position: absolute !important;
     bottom: 20px !important;
     left: 50% !important;
     right: auto !important;
     transform: translateX(-50%) !important;
     z-index: 100 !important;
   }
  
  .scroll-text {
    font-size: 12px;
  }
  
  .scroll-arrow {
    height: 22px;
  }
  
  .arrow-line {
    height: 15px;
  }
  
  .arrow-head {
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
    border-top: 4px solid rgba(255, 255, 255, 0.8);
  }
  
  .preview-container iframe {
    transform: translate(-50%, -50%) scale(0.25) !important; /* �վ��Y��H�A��16:10��� */
    border-radius: 8px;
    z-index: 10 !important; /* �T�O�����iframe�]�b�̤W�h */
  }
  
  /* ������]���ùw���л\�h */
  
  .hero-bullets{
    font-size:13px;
    text-align:left;
  }
  
  /* ������H�������ϰ��u�� */
  .trust.container {
    margin-top: 16px; /* ��֤W��Z */
    padding: 16px; /* ��֤���Z */
    position: relative;
    z-index: 5;
  }
  
  .trust-stats {
    gap: 0.5rem; /* ��ֶ��Z */
    margin-bottom: 8px; /* ��֤U��Z */
  }
  
  .stat-item {
    padding: 0.8rem 0.5rem; /* ��֤���Z */
    width: calc(33.333% - 0.4rem); /* �վ�e�� */
  }
}

/* Trust */
.trust{margin-top:24px}
.trust-title{color:var(--clr-muted);margin-right:12px}
.trust{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative}
.trust-logos{display:flex;gap:8px;flex-wrap:wrap}
.trust-logos .logo{border:none;border-radius:10px;padding:0;color:var(--clr-muted);display:flex;align-items:center;justify-content:center;width:120px;height:80px;flex-shrink:0}
.trust-logos .logo img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;width:100%;height:100%}

/* Cards */
.card{
  background: var(--clr-bg-primary);
  border: 1px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-light);
}

.card:hover::before {
  opacity: 1;
}

/* �d���a���ĪG�W�j */
.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-light);
}

.card:hover h3 {
  color: var(--clr-primary);
  transform: translateX(4px);
}

.card h3 {
  transition: all 0.3s ease;
}

/* ���s�a���ĪG�W�j */
.btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

/* ���D�a���ĪG */
.section-title:hover {
  transform: scale(1.02);
  transition: transform 0.3s ease;
}

/* Apple��T���ɯ�s�� */
.nav-links a {
  position: relative;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  color: var(--clr-text);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.08);
}

.nav-links a.active {
  color: var(--clr-primary);
  font-weight: 600;
  background: rgba(0, 122, 255, 0.1);
}

/* �������ܾ��a���ĪG */
.carousel-nav-dot {
  transition: all 0.3s ease;
}

.carousel-nav-dot:hover {
  transform: scale(1.2);
  background: var(--clr-primary);
}

/* ���椸���J�I�ĪG */
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

/* FAQ �e���˦� - �����S���]�w�A�ϥμз�container */

/* FAQ�����˦� */
.faq-category {
  margin-bottom: 4px; /* ���margin�qvar(--spacing-sm)��4px */
  height: auto;
  overflow: visible; /* �אּvisible�A�קK�����u�� */
}

/* FAQ�T�C�G�� - �R���Q�Υ��k�Ŷ� */
.faq-categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px; /* ���gap�qvar(--spacing-lg)��16px */
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.faq-category-left {
  grid-column: 1;
}

.faq-category-center {
  grid-column: 2;
}

.faq-category-right {
  grid-column: 3;
}

.faq-category-title {
  font-size: 13px; /* ��֦r��j�p�qvar(--font-size-base)��13px */
  font-weight: 600;
  color: var(--clr-text);
  margin: 0 0 4px; /* ���margin�qvar(--spacing-xs)��4px */
  padding-bottom: 1px; /* ���padding�q2px��1px */
  border-bottom: 1px solid var(--clr-primary);
  position: relative;
}

.faq-category-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--clr-primary);
}

/* FAQ details �ϥμзǼ˦� */

/* FAQ �ϥμз�details�˦� */

/* �T�����վ� */
@media (max-width: 1200px) {
  .faq-categories-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .faq-category-left {
    grid-column: 1;
  }
  
  .faq-category-center {
    grid-column: 2;
  }
  
  .faq-category-right {
    grid-column: 1;
    grid-row: 2;
  }
}

@media (max-width: 1024px) {
  .faq-categories-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .faq-category-left,
  .faq-category-center,
  .faq-category-right {
    grid-column: 1;
  }
}

/* FAQ �T�����˦��w���� */

/* �u�ʮɪ����t�ĪG */
.section {
  transition: transform 0.1s ease-out;
}

/* ���J�ʵe */
@keyframes loading {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading {
  animation: loading 1s linear infinite;
}
.case h3 {
  margin-top: 0;
  color: #fff;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.case p {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Case Study Cards */
.case {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative; /* �K�[�۹�w��A�����s����w��ͮ� */
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.case:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.2);
}

/* �o�ӳq�γ]�w�w�����A�ϥΤU�����S�w�]�w */

/* �o�ӳq�� iframe �]�w�w�����A�ϥΤU�����S�w�]�w */

.case-content {
  padding: 20px;
  padding-bottom: 100px; /* ����ӫ��s�d�X��h�Ŷ� */
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.case-header h3 {
  margin: 0;
  font-size: 20px;
  color: var(--clr-text);
  font-weight: 700;
}

.case-badge {
  background: linear-gradient(135deg, var(--clr-accent), #f59e0b);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.case-value {
  display: flex;
  flex-direction: row;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.value-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.value-amount {
  color: #fff;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.value-label {
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* �p�ù��T�����]�p */
@media (max-width: 480px) {
  .case-value {
    flex-direction: column;
    gap: 8px;
  }
  
  .value-item {
    flex: none;
  }
  
  .case .btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: auto;
    padding: 4px 8px;
    font-size: 10px;
    background: rgba(102, 126, 234, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.5);
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  }
  
  .case-content {
    padding-bottom: 80px; /* �p�ù�����ӫ��s�d�X��h�Ŷ� */
  }
}

.value-amount {
  font-size: 18px;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
}

.value-label {
  font-size: 12px;
  color: var(--clr-text-2);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.case-metrics {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-primary);
}

.case-description {
  margin: 0 0 16px 0;
  font-size: 14px;
  color: var(--clr-text-2);
  line-height: 1.5;
  flex: 1;
}

.case-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.feature-tag {
  background: #f8fafc;
  color: var(--clr-text-2);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid #e2e8f0;
}

.case .btn {
  align-self: flex-start;
  margin-top: auto;
  font-weight: 600;
  transition: all .2s ease;
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: auto;
  padding: 6px 12px;
  font-size: 12px;
  background: rgba(102, 126, 234, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(102, 126, 234, 0.5);
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.case .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  background: rgba(102, 126, 234, 0.5);
  border-color: rgba(102, 126, 234, 0.7);
}

.btn-icon {
  margin-right: 6px;
}

/* ���s����P�ɯ�u���]�p */
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
  position: relative;
}

/* ��P�ɯ�u���e�� */
.carousel-nav-line {
  position: relative;
  width: 200px;
  height: 4px;
  background: linear-gradient(90deg, 
    rgba(37, 99, 235, 0.1) 0%, 
    rgba(37, 99, 235, 0.3) 50%, 
    rgba(37, 99, 235, 0.1) 100%);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 
    inset 0 1px 2px rgba(0,0,0,0.1),
    0 2px 8px rgba(37, 99, 235, 0.1);
}

/* �ɯ�u���I�����w�ĪG */
.carousel-nav-line::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -10px;
  right: -10px;
  bottom: -2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(37, 99, 235, 0.05) 20%, 
    rgba(37, 99, 235, 0.1) 50%, 
    rgba(37, 99, 235, 0.05) 80%, 
    transparent 100%);
  border-radius: 4px;
  filter: blur(8px);
  z-index: -1;
}

/* ���ʫ��ܾ� - �ưʪ���P���I */
.carousel-nav-indicator {
  position: absolute;
  top: 50%;
  left: 0;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 0 0 3px rgba(255, 255, 255, 0.9),
    0 0 0 6px rgba(37, 99, 235, 0.2),
    0 4px 12px rgba(37, 99, 235, 0.3);
  z-index: 2;
}

/* ���ʫ��ܾ��߽İʵe */
.carousel-nav-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: navPulse 2s ease-in-out infinite;
}

@keyframes navPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0.3;
  }
}

/* �ɯ�u���W���I�I���ܾ� */
.carousel-nav-dots {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 4px;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.carousel-nav-dot {
  width: 8px;
  height: 8px;
  background: rgba(37, 99, 235, 0.2);
  border-radius: 50%;
  transition: all 0.3s ease;
  position: relative;
}

.carousel-nav-dot.active {
  background: rgba(37, 99, 235, 0.6);
  transform: scale(1.2);
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.4);
}

.carousel-nav-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.carousel-nav-dot.active::after {
  width: 16px;
  height: 16px;
}

/* �����ª����s�˦� */
.carousel-btn {
  display: none;
}

/* ��P�ɯ�u�����B�~��ı�W�j */
.carousel-nav-line {
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-nav-line:hover {
  transform: scale(1.05);
  box-shadow: 
    inset 0 1px 2px rgba(0,0,0,0.1),
    0 4px 16px rgba(37, 99, 235, 0.2);
}

.carousel-nav-line:hover::before {
  filter: blur(12px);
  opacity: 0.8;
}

/* �I�I���ܾ����a���ĪG */
.carousel-nav-dot {
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-nav-dot:hover {
  transform: scale(1.4);
  background: rgba(37, 99, 235, 0.4);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.3);
}

.carousel-nav-dot:hover::after {
  width: 20px;
  height: 20px;
}

/* ���ʫ��ܾ����B�~�ʵe�ĪG */
.carousel-nav-indicator {
  cursor: pointer;
}

.carousel-nav-indicator:hover {
  transform: translate(-50%, -50%) scale(1.2);
  box-shadow: 
    0 0 0 4px rgba(255, 255, 255, 0.9),
    0 0 0 8px rgba(37, 99, 235, 0.3),
    0 6px 20px rgba(37, 99, 235, 0.4);
}

/* �ưʮɪ���ı���X */
.carousel-track.swiping {
  transition: none !important;
}

/* �K�[�L�����I�����ܰʵe */
@keyframes navLineGlow {
  0%, 100% {
    background: linear-gradient(90deg, 
      rgba(37, 99, 235, 0.1) 0%, 
      rgba(37, 99, 235, 0.3) 50%, 
      rgba(37, 99, 235, 0.1) 100%);
  }
  50% {
    background: linear-gradient(90deg, 
      rgba(37, 99, 235, 0.15) 0%, 
      rgba(37, 99, 235, 0.4) 50%, 
      rgba(37, 99, 235, 0.15) 100%);
  }
}

.carousel-nav-line {
  animation: navLineGlow 4s ease-in-out infinite;
}

/* �ୱ���T�����վ� */
@media (min-width: 1025px) {
  .carousel-container {
    padding: 0 20px;
    margin: 0 -20px;
  }
  
  .carousel-track .case {
    flex: 0 0 480px;
    max-width: 480px;
    min-width: 480px;
  }
  
  .case-preview {
    height: 180px; /* 1080px �� 0.167 = 180px */
  }
}

/* �����ୱ�� */
@media (max-width: 1200px) and (min-width: 1025px) {
  .carousel-container {
    padding: 0 16px;
    margin: 0 -16px;
  }
  
  .carousel-track .case {
    flex: 0 0 400px;
    max-width: 400px;
    min-width: 400px;
  }
  
  .case-preview {
    height: 180px; /* 1080px �� 0.167 = 180px */
  }
}

/* Pricing */
.pricing-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.billing-toggle{display:flex;align-items:center;gap:10px;color:var(--clr-text-2)}

/* ������j���u�Ʃw���������r���C�� */
@media (max-width: 768px) {
  .billing-toggle {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
}
.switch{position:relative;display:inline-block;width:48px;height:26px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#e5e7eb;border-radius:26px;transition:.2s}
.slider:before{content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;background:white;border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:#c7d2fe}
.switch input:checked + .slider:before{transform:translateX(22px)}
.plan{position:relative;transition:transform .18s ease, box-shadow .18s ease}
.plan .badge{position:absolute;top:-10px;right:12px;background:var(--clr-accent);color:#fff;padding:6px 10px;border-radius:999px;font-size:12px}
.plan .price{margin:10px 0;display:flex;align-items:flex-end;gap:6px}
.plan .price .currency{font-size:14px;color:var(--clr-text-2)}
.plan .price .amount{font-size:28px;font-weight:800;line-height:1}
.plan .price .period{font-size:14px;color:var(--clr-text-2)}
.plan .features{color:var(--clr-text-2);padding-left:18px}

/* ������j���u�Ʃw���d���r���C�� */
@media (max-width: 768px) {
  .plan .price .currency {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
  
  .plan .price .amount {
    color: var(--mobile-text-primary) !important;
    font-weight: 900 !important;
  }
  
  .plan .price .period {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
  
  .plan .features {
    color: var(--mobile-text-secondary) !important;
    font-weight: 500 !important;
    line-height: 1.6 !important;
  }
}
.plan.recommended{border-color:var(--clr-primary);box-shadow:0 12px 28px rgba(37,99,235,.18)}
.plan.recommended:hover{transform:translateY(-4px)}

/* Plan suitability tags */
.plan-tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 6px;align-items:center}
.tag-label{font-size:12px;color:var(--clr-text-2);background:#eef2ff;border:1px solid #e5e7eb;border-radius:999px;padding:2px 8px}
.tag-chip{font-size:12px;border:1px solid var(--clr-border);background:#fff;border-radius:999px;padding:4px 10px;color:var(--clr-text-2)}

/* ������j���u�Ƽ��Ҧr���C�� */
@media (max-width: 768px) {
  .tag-label {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
    background: rgba(30, 136, 229, 0.1) !important;
    border-color: rgba(30, 136, 229, 0.3) !important;
  }
  
  .tag-chip {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
    background: var(--mobile-bg-primary) !important;
    border-color: var(--mobile-border) !important;
  }
}
.tag-chip::before{content:"#";color:#9ca3af;margin-right:2px}

/* Estimator */
.estimator{margin-top:24px;background:#fff;border:1px solid var(--clr-border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.estimator h3{margin:0 0 12px;font-size:20px}

/* ������j���u�Ʀ������r���C�� */
@media (max-width: 768px) {
  .estimator h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 700 !important;
  }
  
  .estimator input,
  .estimator select {
    color: var(--mobile-text-primary) !important;
    font-weight: 500 !important;
    border-color: var(--mobile-border) !important;
  }
  
  .estimator-grid label {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
  
  .check-chip {
    color: var(--mobile-text-secondary) !important;
    font-weight: 500 !important;
    border-color: var(--mobile-border) !important;
  }
  
  .check-chip:hover {
    color: var(--clr-primary) !important;
    border-color: var(--clr-primary) !important;
  }
}
.estimator-layout{display:grid;grid-template-columns:1.8fr 1fr;gap:24px;align-items:start}
.estimator-left{display:block}
.estimator-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:8px}
.estimator input{width:100%;padding:10px;border-radius:10px;border:1px solid var(--clr-border)}
.estimator select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--clr-border);background:#fff}
.estimator-grid label{display:flex;flex-direction:column;gap:6px}
.module-row{display:grid;grid-template-columns:210px 1fr;align-items:start;gap:12px;grid-column:1/-1}
.module-label{min-width:210px;margin:0}
.module-controls{flex:1;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.module-controls>input{max-width:120px}
.module-checklist{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 0}
.check-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--clr-border);background:#fff;border-radius:12px;padding:6px 10px;font-size:12px;cursor:pointer}
.check-chip .txt{white-space:nowrap}
.check-chip input{appearance:none;width:14px;height:14px;border:1px solid var(--clr-border);border-radius:4px;display:inline-block;position:relative}
.check-chip input:checked{background:var(--clr-primary);border-color:var(--clr-primary)}
.check-chip input:checked::after{content:"";position:absolute;left:3px;top:1px;width:6px;height:10px;border:2px solid #fff;border-left:0;border-top:0;transform:rotate(45deg)}
.check-chip:hover{border-color:var(--clr-primary);color:var(--clr-primary)}
.chip-select{border:1px solid var(--clr-border);background:#fff;border-radius:10px;padding:6px 10px;font-size:12px}

/* Help tip */
.help-tip{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:#fff;color:var(--clr-primary);font-weight:700;margin-left:8px;font-size:13px;line-height:1;cursor:help;position:relative;border:1px solid var(--clr-border);box-shadow:var(--shadow);z-index:100}
.help-tip:focus{outline:2px solid var(--clr-accent);outline-offset:2px}
.help-tip:hover{border-color:var(--clr-primary);color:#fff;background:var(--clr-primary)}
.help-tip:active{border-color:var(--clr-primary);color:#fff;background:var(--clr-primary)}
.help-balloon{position:absolute;left:0;top:28px;width:420px;max-width:90vw;background:#fff;color:var(--clr-text);padding:14px;border-radius:12px;border:1px solid var(--clr-border);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(4px);transition:opacity .18s ease, transform .18s ease;font-size:15px;line-height:1.6;z-index:1000}
.help-balloon:before{content:"";position:absolute;top:-6px;left:14px;border-width:0 6px 6px 6px;border-style:solid;border-color:transparent transparent #fff transparent}
.help-tip:hover .help-balloon,.help-tip:focus .help-balloon,.help-tip:active .help-balloon{opacity:1;pointer-events:auto;transform:translateY(0)}
.help-balloon ul{margin:6px 0 0 18px}

/* ������u�� */
@media (max-width:640px){
  .help-balloon{width:calc(100vw - 48px);left:-50px;top:32px}
  .help-balloon:before{left:64px}
}

/* �����IJ���u�� */
@media (max-width:768px){
  .help-tip{width:24px;height:24px;font-size:14px;margin-left:6px}
  .help-tip:hover .help-balloon,.help-tip:focus .help-balloon,.help-tip:active .help-balloon{opacity:1;pointer-events:auto;transform:translateY(0)}
  .help-balloon{font-size:14px;padding:12px;top:30px}
}
.estimator-result{margin:12px 0 16px;font-weight:600}
/* �������T�����u�� */
@media (max-width: 1024px) {
  .estimator-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .summary-card {
    position: relative;
    top: auto;
    margin-top: 1.5rem;
  }
}

@media (max-width: 768px) {
  .estimator {
    padding: 16px;
  }
  
  .estimator h3 {
    font-size: 18px;
  }
  
  .estimator-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .estimator-layout {
    gap: 16px;
  }
  
  .summary-card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .estimator {
    padding: 12px;
  }
  
  .estimator h3 {
    font-size: 16px;
  }
  
  .estimator-grid {
    gap: 12px;
  }
  
  .summary-card {
    padding: 12px;
  }
}

@media (max-width:960px){
  .estimator-grid{grid-template-columns:1fr}
  .estimator-layout{grid-template-columns:1fr}
}

/* Summary card */
.summary-card{position:relative;top:auto;background:#fff;border:1px solid var(--clr-border);border-left:3px solid var(--clr-primary);border-radius:12px;padding:16px 16px;box-shadow:var(--shadow);min-width:320px}
.summary-card h4{margin:0 0 8px}
.summary-list{display:flex;flex-direction:column;gap:8px}
.summary-item{display:flex;align-items:center;justify-content:space-between}
.summary-item span{color:var(--clr-text-2)}
.summary-item strong{font-weight:700}
.summary-card hr{border:none;border-top:1px solid var(--clr-border);margin:6px 0}

/* ��O�`�p�˦� */
#sumTotalMonthly {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 8px 12px;
  margin-top: 4px;
}

#sumTotalMonthly strong {
  color: #dc2626;
  font-size: 16px;
}

/* Stepper */
.input-stepper{display:flex;align-items:center;gap:6px}
.step-btn{width:32px;height:32px;border:1px solid var(--clr-border);background:#fff;border-radius:8px;cursor:pointer;font-weight:700}
.step-btn:hover{border-color:var(--clr-primary);color:var(--clr-primary)}
.input-stepper input{max-width:120px;height:32px}

/* Notes & results spacing */
.estimator-note{margin-top:8px}
.estimator-result{margin:10px 0 6px;font-size:16px}
.estimator-deposit{margin:0 0 8px}
@media (max-width:960px){
  .module-row{grid-template-columns:1fr}
  .module-label{min-width:auto}
}

/* FAQ - �����S���]�w�A�ϥμз�section�˦� */

details {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

details:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--clr-text);
  font-size: 18px;
  padding: 8px 0;
  list-style: none;
  position: relative;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  transition: transform 0.3s ease;
}

details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

details p, details ul {
  margin: 16px 0 0 0;
  color: var(--clr-text-2);
  line-height: 1.6;
}

details ul {
  padding-left: 20px;
}

details li {
  margin-bottom: 8px;
}

/* Contact - �����S���]�w�A�ϥμзǪ���˦� */
.contact-form{
  max-width:600px;
  margin:0 auto;
}

.contact-form input,
.contact-form textarea{
  width:100%;
  padding:12px 16px;
  border:2px solid var(--clr-border);
  border-radius:12px;
  font-size:16px;
  line-height:1.5;
  transition:all 0.2s ease;
  background:#fff;
  color:var(--clr-text);
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--clr-primary);
  box-shadow:0 0 0 3px rgba(37,99,235,0.1);
  transform:translateY(-1px);
}

.contact-form input:invalid,
.contact-form textarea:invalid{
  border-color:var(--clr-danger);
}

.contact-form input:valid,
.contact-form textarea:valid{
  border-color:var(--clr-success);
}

.contact-form button{
  margin-top:16px;
  width:100%;
  max-width:300px;
}

.contact-form label{
  display:block;
  margin-bottom:8px;
  font-weight:500;
  color:var(--clr-text);
}

.form-note{
  color:var(--clr-muted);
  font-size:14px;
  margin-top:8px;
  line-height:1.5;
}

/* �T��������]�p */
@media (max-width:768px){
  .contact-form input,
  .contact-form textarea{
    padding:14px 16px;
    font-size:16px; /* ����iOS�Y�� */
  }
  
  .contact-form button{
    max-width:100%;
    padding:16px 20px;
    font-size:16px;
  }
}

@media (max-width:480px){
  .contact-form{
    padding:0 8px;
  }
  
  .contact-form input,
  .contact-form textarea{
    padding:16px 18px;
    border-radius:10px;
  }
  
  .contact-form label{
    font-size:15px;
    margin-bottom:6px;
  }
}

/* Footer - �u�ʨ쩳���ɦ۵M�X�{ */
.site-footer{
  border-top:1px solid var(--clr-border);
  background:#fff;
  margin-top: 0; /* ��K�p���ڭ�section */
  position: relative;
  z-index: 1;
  opacity: 0; /* ��l���� */
  transform: translateY(20px); /* ��l�V�U���� */
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px; /* ��_���`���� */
  padding:20px 0; /* ��_���`����Z */
  flex-wrap:wrap;
}

.footer-nav{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.footer-nav a{
  color:var(--clr-text-2);
  text-decoration:none;
  padding:4px 8px;
  border-radius:6px;
  transition:all 0.2s ease;
  font-size:14px;
}

.footer-nav a:hover{
  color:var(--clr-primary);
  background:rgba(37,99,235,0.08);
}

.legal{
  color:var(--clr-muted);
  font-size:13px;
  text-align:center;
}

/* �T����Footer�]�p */
@media (max-width:768px){
  .footer-inner{
    flex-direction:column;
    gap:12px;
    text-align:center;
    padding:24px 0;
  }
  
  .footer-nav{
    justify-content:center;
    gap:8px;
  }
  
  .footer-nav a{
    font-size:13px;
    padding:6px 10px;
  }
  
  .legal{
    font-size:12px;
    margin-top:8px;
  }
}

@media (max-width:480px){
  .footer-inner{
    padding:20px 0;
    gap:16px;
  }
  
  .footer-nav{
    flex-direction:column;
    gap:4px;
    width:100%;
  }
  
  .footer-nav a{
    padding:8px 12px;
    border:1px solid var(--clr-border);
    border-radius:8px;
    background:var(--clr-bg);
  }
  
  .footer-nav a:hover{
    background:var(--clr-primary);
    color:white;
    border-color:var(--clr-primary);
  }
}




/* �������ƪ��~�P�˦��w�q�A�w�bHeader�����w�q */

/* Case cards as links */
.card{position:relative;transition:transform .15s ease, box-shadow .15s ease}
.case{text-decoration:none;color:inherit}
.case:hover{transform:translateY(-2px)}
.stretched-link{position:absolute;inset:0;z-index:1}

/* Pricing compare table */
.pricing-compare{margin-top:16px;overflow:hidden} /* �����u�� */
.compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--clr-border);border-radius:12px;overflow:hidden}
.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--clr-border);text-align:center}
.compare thead th:first-child,.compare tbody td:first-child{text-align:left;width:40%}
/* Compare: yes mark */
.compare .yes {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #10b981;
  color: #fff;
  border: none;
  position: relative;
  transition: all 0.15s ease;
}

.compare .yes::before {
  content: '?';
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

/* Yearly badge */
.yearly-badge{position:absolute;top:-12px;left:12px;background:#22c55e;color:#fff;padding:4px 8px;border-radius:999px;font-size:12px;box-shadow:var(--shadow);display:none}
/* Yearly perks badge */
.perk-badge{position:absolute;top:-12px;left:100px;background:#10b981;color:#fff;padding:4px 8px;border-radius:999px;font-size:12px;box-shadow:var(--shadow);display:none}

/* Estimator note */
.estimator-note{color:var(--clr-muted);font-size:14px;margin:8px 0 0}

/* Pricing hints */
.pricing-hint{color:var(--clr-text-2);font-size:13px;margin:8px 0 0}
.pricing-hint strong{font-weight:700}

/* ������j���u�Ʀ����K�n�r���C�� */
@media (max-width: 768px) {
  .pricing-hint {
    color: var(--mobile-text-secondary) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    line-height: 1.6 !important;
  }
  
  .pricing-hint strong {
    color: var(--mobile-text-primary) !important;
    font-weight: 700 !important;
  }
}

/* Maintenance section */
#maintenance .plan .price{font-size:22px}
.cloud-note h3{margin-top:0}

.estimator-deposit{color:var(--clr-text);font-weight:600;margin:6px 0 0}

/* �Ҳտ�ܤ⭷�^�����|�]�p */
.module-accordion {
  margin: 1rem 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.accordion-btn {
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--clr-primary);
  color: white;
  border: none;
  border-radius: 12px 12px 0 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.accordion-btn:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
}

.accordion-btn[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-icon {
  font-size: 1.25rem;
  font-weight: bold;
  transition: transform 0.2s ease;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content.show {
  max-height: 80vh;
  overflow: hidden; /* �����u�� */
}

.module-checklist {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.check-chip {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
  margin: 0;
}

.check-chip:hover {
  background: var(--clr-primary);
  color: white;
  border-color: var(--clr-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.2);
}

.check-chip input[type="checkbox"] {
  margin-right: 0.75rem;
  width: 18px;
  height: 18px;
  accent-color: var(--clr-primary);
}

.check-chip .txt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.check-chip small {
  font-size: 0.75rem;
  opacity: 0.8;
  font-weight: 500;
  margin-left: auto;
}

.chip-select {
  padding: 0.75rem 1rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--clr-text);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.chip-select:hover {
  border-color: var(--clr-primary);
  background: white;
}

.chip-select:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

/* �T�����]�p */
@media (max-width: 768px) {
  .accordion-btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .module-checklist {
    padding: 1rem;
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .check-chip {
    padding: 0.625rem 0.875rem;
    font-size: 0.8rem;
  }
}

/* Analysis page styles */
.section-block {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section-block h2 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  color: var(--clr-text);
  border-bottom: 2px solid var(--clr-primary);
  padding-bottom: 0.5rem;
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bullet-list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 0.5rem 0;
  line-height: 1.6;
}

.bullet-list li::before {
  content: "�E";
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step-counter;
}

.step-list li {
  position: relative;
  padding: 0.75rem 0 0.75rem 3rem;
  margin: 0.75rem 0;
  line-height: 1.6;
  counter-increment: step-counter;
}

.step-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 2rem;
  height: 2rem;
  background: var(--clr-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.kpi {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: white;
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
  transition: transform 0.2s ease;
}

.kpi:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(30, 136, 229, 0.4);
}

.cta-bar {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
  background: var(--clr-bg);
  padding: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
}

.tab {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--clr-border);
  background: white;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  color: var(--clr-text-2);
}

.tab:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.tab.is-active {
  background: var(--clr-primary);
  color: white;
  border-color: var(--clr-primary);
  box-shadow: 0 2px 8px rgba(30, 136, 229, 0.3);
}

/* Analysis page specific responsive */
@media (max-width: 768px) {
  .section-block {
    padding: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .section-block h2 {
    font-size: 1.25rem;
  }
  
  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .cta-bar {
    flex-direction: column;
    align-items: center;
  }
  
  .tabs {
    flex-wrap: wrap;
  }
  
  .tab {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }
}

/* ===== ���s�Ҳտ�ܾ��˦� ===== */
.module-selector {
  margin-top: 1rem;
}

.preset-combos {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.preset-label {
  font-weight: 600;
  color: var(--clr-text-2);
  margin-right: 0.5rem;
}

.preset-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--clr-border);
  border-radius: 12px;
  background: white;
  color: var(--clr-text-2);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.preset-btn:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.15);
}

.preset-btn.clear-all {
  border-color: var(--clr-danger);
  color: var(--clr-danger);
}

.preset-btn.clear-all:hover {
  background: var(--clr-danger);
  color: white;
  border-color: var(--clr-danger);
}

.preset-icon {
  font-size: 1.1rem;
}

.module-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.module-category {
  background: white;
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.category-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-text);
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.module-cards {
  display: grid;
  gap: 1rem;
}

.module-card {
  position: relative;
  border: 2px solid var(--clr-border);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  background: white;
}

.module-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.12);
}

.module-card.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.15);
}

.module-card.selected::after {
  content: "?";
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--clr-primary);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.module-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.card-header h5 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  flex: 1;
}

.price-tag {
  background: var(--clr-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.module-card p {
  margin: 0;
  color: var(--clr-text-2);
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* �Ҳեd���]�˾� */
.module-card-wrapper {
  position: relative;
}

/* �޳N�W��˦� */
.technical-specs {
  margin-top: 1rem;
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.technical-specs:hover {
  box-shadow: 0 4px 16px rgba(30, 136, 229, 0.08);
  border-color: var(--clr-primary);
}

.technical-specs h6 {
  margin: 0;
  padding: 0.875rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.05) 0%, rgba(30, 136, 229, 0.02) 100%);
  border-bottom: 1px solid rgba(30, 136, 229, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.technical-specs h6:hover {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.08) 0%, rgba(30, 136, 229, 0.04) 100%);
  color: var(--clr-primary-dark);
}

.technical-specs h6::after {
  content: "��";
  font-size: 0.75rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.7;
  font-weight: bold;
}

.technical-specs.collapsed h6::after {
  transform: rotate(-90deg);
}

.technical-specs-content {
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-height: 500px;
  opacity: 1;
  padding: 0 1rem 1rem 1rem;
}

.technical-specs.collapsed .technical-specs-content {
  max-height: 0;
  opacity: 0;
  padding: 0 1rem;
}

.technical-specs ul {
  margin: 0;
  padding-left: 1.25rem;
  list-style: none;
}

.technical-specs li {
  position: relative;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--clr-text-2);
  line-height: 1.5;
  padding-left: 0.5rem;
  transition: color 0.2s ease, opacity 0.3s ease, transform 0.3s ease;
  opacity: 1;
  transform: translateX(0);
}

.technical-specs li:hover {
  color: var(--clr-primary);
}

.technical-specs li::before {
  content: "?";
  position: absolute;
  left: -1.25rem;
  color: var(--clr-primary);
  font-size: 0.6rem;
  font-weight: bold;
  opacity: 0.8;
  transition: transform 0.2s ease;
}

.technical-specs li:hover::before {
  transform: translateX(2px);
}

/* �y����ܾ��˦� */
.language-selector {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 15px;
  margin-top: 10px;
}

.language-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #ddd;
  border-radius: 6px;
  max-height: 200px;
  overflow: hidden; /* �����u�� */
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.language-option {
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
}

.language-option:hover {
  background-color: #f8f9fa;
}

.language-option:last-child {
  border-bottom: none;
}

.language-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  margin: 5px 0;
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 6px;
  font-size: 12px;
}

.language-item.default-language {
  background: #e3f2fd;
  border-color: #2196f3;
}

.default-badge {
  font-size: 10px;
  color: #666;
  margin-left: 5px;
}

.remove-language-btn {
  background: #ff4757;
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.remove-language-btn:hover {
  background: #ff3742;
}

/* ��O�A�ȼ��Ҽ˦� */
.monthly-fee-tag {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
  color: white;
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 9px;
  font-weight: 600;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
  line-height: 1.1;
  white-space: nowrap;
  text-align: center;
  min-width: 80px;
}

/* ���A����ױ��˼˦� */
.server-plan-recommendation {
  margin-top: 10px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
  border: 1px solid #2196f3;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(33, 150, 243, 0.1);
  transition: all 0.3s ease;
}

.recommendation-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.recommendation-icon {
  font-size: 20px;
  margin-top: 2px;
}

.recommendation-text {
  flex: 1;
  color: #1565c0;
  font-size: 14px;
  line-height: 1.4;
}

.recommendation-text strong {
  color: #0d47a1;
  font-weight: 600;
}

.recommendation-text small {
  color: #1976d2;
  font-size: 12px;
  margin-top: 4px;
  display: block;
}

/* �ƶq������s�˦� */
.quantity-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  padding: 8px 0;
}

.quantity-btn {
  background: var(--clr-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-weight: bold;
}

.quantity-btn:hover {
  background: var(--clr-primary-dark);
  transform: scale(1.1);
}

.quantity-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
}

.quantity-display {
  font-size: 16px;
  font-weight: bold;
  min-width: 24px;
  text-align: center;
  color: var(--clr-text);
}

.quantity-note {
  font-size: 12px;
  color: var(--clr-muted);
  margin-top: 4px;
  font-style: italic;
}

/* �y����ܾ��˦� */
.language-selector {
  margin: 10px 0;
  padding: 10px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

.selected-languages {
  margin-bottom: 10px;
}

.language-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: white;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 6px 8px;
  margin-bottom: 5px;
  font-size: 12px;
}

.language-name {
  color: var(--clr-text-2);
  flex: 1;
}

.remove-language-btn {
  background: #ff4444;
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.remove-language-btn:hover {
  background: #cc0000;
}

.add-language-section {
  display: flex;
  align-items: center;
  gap: 5px;
}

.add-language-section input {
  font-size: 12px;
  padding: 6px 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: white;
  flex: 1;
}

.add-language-section input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.1);
}

.add-language-section button {
  transition: background-color 0.2s ease;
}

.add-language-section button:hover {
  background: var(--clr-primary-dark);
}

.feature-tag {
  background: var(--clr-bg);
  color: var(--clr-text-2);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  border: 1px solid var(--clr-border);
}

.module-summary {
  background: white;
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--clr-border);
}

.summary-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-text);
}

.total-price {
  color: var(--clr-text-2);
  font-size: 0.9rem;
}

.total-price strong {
  color: var(--clr-primary);
  font-size: 1.1rem;
}

.selected-modules {
  min-height: 100px;
}

.no-selection {
  color: var(--clr-muted);
  font-style: italic;
  text-align: center;
  margin: 2rem 0;
}

.selected-module-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--clr-bg);
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.selected-module-name {
  font-weight: 500;
  color: var(--clr-text);
}

.selected-module-price {
  color: var(--clr-primary);
  font-weight: 600;
}

/* ===== �q���t�μ˦� ===== */
.preset-notification {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 1000;
  transform: translateX(400px);
  transition: transform 0.3s ease;
}

.preset-notification.show {
  transform: translateX(0);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--clr-success), #059669);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
  min-width: 300px;
}

.notification-icon {
  font-size: 1.2rem;
  animation: bounce 0.6s ease-in-out;
}

.notification-text {
  font-weight: 500;
  font-size: 0.95rem;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* �Ҳտ�ܾ��T�����]�p */
@media (max-width: 1024px) {
  .module-grid {
    gap: 1.25rem;
  }
  
  .module-category {
    padding: 1.25rem;
  }
  
  .module-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .preset-combos {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .preset-btn {
    justify-content: center;
    padding: 0.625rem 0.875rem;
    font-size: 0.85rem;
  }
  
  .module-grid {
    gap: 1rem;
  }
  
  .module-category {
    padding: 1rem;
  }
  
  .module-cards {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .card-header {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .price-tag {
    align-self: flex-start;
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
  }
  
  .preset-notification {
    right: 10px;
    left: 10px;
    min-width: auto;
  }
  
  .notification-content {
    padding: 0.75rem 1rem;
  }
  
  .summary-header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  
  .module-card {
    padding: 0.875rem;
  }
  
  .card-header h5 {
    font-size: 0.95rem;
  }
  
  .module-card p {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .preset-combos {
    gap: 0.375rem;
  }
  
  .preset-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .module-category {
    padding: 0.875rem;
  }
  
  .category-title {
    font-size: 1rem;
  }
  
  .module-cards {
    gap: 0.625rem;
  }
  
  .module-card {
    padding: 0.75rem;
  }
  
  .card-header h5 {
    font-size: 0.9rem;
  }
  
  .module-card p {
    font-size: 0.8rem;
  }
  
  .technical-specs {
    margin-top: 0.75rem;
    border-radius: 10px;
  }
  
  .technical-specs h6 {
    font-size: 0.75rem;
    padding: 0.75rem 0.875rem;
    letter-spacing: 0.6px;
  }
  
  .technical-specs-content {
    padding: 0 0.875rem 0.875rem 0.875rem;
  }
  
  .technical-specs.collapsed .technical-specs-content {
    padding: 0 0.875rem;
  }
  
  .technical-specs li {
    font-size: 0.7rem;
    margin-bottom: 0.4rem;
    padding-left: 0.4rem;
  }
  
  .technical-specs ul {
    padding-left: 1rem;
  }
  
  .technical-specs li::before {
    left: -1rem;
    font-size: 0.55rem;
  }
  
  .price-tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
  }
  
  .feature-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
  }
  
  .summary-header h4 {
    font-size: 1rem;
  }
  
  .total-price {
    font-size: 0.85rem;
  }
}

/* ===== �p������˦� ===== */
.success-message,
.error-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  padding: 2rem;
  max-width: 90vw;
  width: 400px;
  text-align: center;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.success-content,
.error-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--clr-success);
  color: white;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: bold;
}

.error-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--clr-danger);
  color: white;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: bold;
}

.success-message h3,
.error-message h3 {
  margin: 0;
  color: var(--clr-text);
  font-size: 1.25rem;
}

.success-message p,
.error-message p {
  margin: 0;
  color: var(--clr-text-2);
  line-height: 1.6;
}

/* ���s���J���A */
.btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* �����洣�ܼ˦� */
.estimate-notice {
  background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
  animation: slideInDown 0.5s ease-out;
}

.estimate-notice-content {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.estimate-notice-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.estimate-notice-text strong {
  display: block;
  color: var(--clr-primary);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.estimate-notice-text p {
  margin: 0;
  color: var(--clr-text-2);
  line-height: 1.6;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* �������Ҽ˦� */
.contact-form input:invalid,
.contact-form textarea:invalid {
  border-color: var(--clr-danger);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

/* �T�����վ� */
@media (max-width: 480px) {
  .success-message,
  .error-message {
    width: calc(100vw - 2rem);
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .module-cards {
    grid-template-columns: 1fr;
  }
  
  .card-features {
    flex-direction: column;
  }
  
  .feature-tag {
    text-align: center;
  }
}

/* �����K�n�T�w�w�� */
.summary-card {
  position: relative; /* �אּrelative�A�קK�z�Z�ưʧl�� */
  top: auto;
  height: fit-content;
  max-height: 80vh;
  overflow: hidden; /* �����u�� */
  padding: 1.5rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  z-index: 10;
}

/* �T�O���e������������ */
.estimator-layout {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 24px;
  align-items: start;
  min-height: auto; /* �אּauto�A�קK���e���X */
}

/* �T�����վ� */
@media (max-width: 1024px) {
  .summary-card {
    position: relative;
    top: auto;
    margin-top: 2rem;
  }
  
  .estimator-layout {
    grid-template-columns: 1fr;
  }
}

/* ===== �B�~���T�����u�� ===== */

/* �ﵽIJ������ */
@media (hover: none) and (pointer: coarse) {
  .btn:hover,
  .desktop-nav a:hover,
  .footer-nav a:hover {
    transform: none;
  }
  
  .btn:active {
    transform: scale(0.98);
  }
  
  .mobile-nav-link:hover {
    transform: none;
  }
}

/* �ﵽ�����׼Ҧ� */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid currentColor;
  }
  
  .mobile-nav-link {
    border-bottom: 2px solid var(--clr-border);
  }
  
  .site-header {
    border-bottom: 2px solid var(--clr-border);
  }
}

/* ��ְʵe�]�Τ᰾�n�^ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .mobile-nav-content {
    transition: none;
  }
  
  .hamburger-line {
    transition: none;
  }
  

}

/* �ﵽ�`��Ҧ��䴩 */
@media (prefers-color-scheme: dark) {
  :root {
    --clr-bg: #1a1a1a;
    --clr-text: #ffffff;
    --clr-text-2: #e5e5e5;
    --clr-muted: #a0a0a0;
    --clr-border: #333333;
  }
  
  .site-header {
    background: rgba(26, 26, 26, 0.95);
    border-bottom-color: var(--clr-border);
  }
  
  .mobile-nav-content {
    background: #1a1a1a;
    border-left: 1px solid var(--clr-border);
  }
  
  .card {
    background: #2a2a2a;
    border-color: var(--clr-border);
  }
  
  .contact-form input,
  .contact-form textarea {
    background: #2a2a2a;
    border-color: var(--clr-border);
    color: var(--clr-text);
  }
}

/* �ﵽ�i�X�ݩ� */
@media (prefers-reduced-data: reduce) {
  .hero-visual .mockup {
    background: var(--clr-bg);
    color: var(--clr-text-2);
  }
}

/* �T�O�̤pIJ���ؼФj�p */
@media (max-width: 768px) {
  .mobile-menu-toggle,
  .carousel-btn,
  .step-btn {
    min-width: 44px;
    min-height: 44px;
  }
  
  .mobile-nav-link {
    min-height: 48px;
  }
}

/* �B�~���T�����u�� */
@media (max-width: 320px) {
  .container {
    padding: 60px 8px;
  }
  
  .section {
    padding: 0;
  }
  
  .section-title {
    font-size: 18px;
    margin-bottom: 6px;
  }
  
  .section-subtitle {
    font-size: 12px;
    margin-bottom: 14px;
  }
  
  .grid {
    gap: 8px;
  }
  
  .card {
    padding: 10px;
  }
  
  body {
    font-size: 12px;
  }
  
  .btn {
    padding: 12px 16px;
    font-size: 13px;
    min-height: 44px;
  }
  
  .hero h1 {
    font-size: 20px;
    line-height: 1.2;
  }
  
  .subtitle {
    font-size: 13px;
  }
  
  .hero-cta .btn {
    padding: 10px 14px;
    font-size: 13px;
  }
}

/* �ﵽ��V�u�ʰ��D */
@media (max-width: 768px) {
  .pricing-compare {
    overflow: hidden; /* �����u�� */
  }
  
  .compare {
    min-width: 600px;
  }
  
  .help-balloon {
    max-width: calc(100vw - 20px);
    left: 10px;
    right: 10px;
  }
}

/* �u�ƪ����T���� */
@media (max-width: 480px) {
  .compare th,
  .compare td {
    padding: 8px 6px;
    font-size: 12px;
  }
  
  .compare thead th:first-child,
  .compare tbody td:first-child {
    width: 50%;
  }
}

/* ½�P�ʺA���s�˦� */
.flip-device-btn {
  position: absolute;
  bottom: 16px;
  right: 130px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(102, 126, 234, 0.9);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
  z-index: 20;
  opacity: 1;
  transform: scale(1);
  animation: gentle-bounce 2s ease-in-out infinite;
  overflow: hidden;
}

/* �i�R���u���ʵe */
@keyframes gentle-bounce {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.02);
  }
}

/* ���s�������İʵe */
.flip-device-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.flip-device-btn:hover::before {
  opacity: 1;
  animation: shimmer 0.8s ease-in-out;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.case-preview:hover .flip-device-btn {
  opacity: 1;
  transform: scale(1);
}

.flip-device-btn:hover {
  background: rgba(102, 126, 234, 1);
  color: white;
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.7);
  border-color: rgba(255, 255, 255, 0.6);
  animation: none;
}

.flip-device-btn:hover svg {
  animation: icon-wiggle 0.6s ease-in-out;
}

@keyframes icon-wiggle {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-5deg);
  }
  75% {
    transform: rotate(5deg);
  }
}

.flip-device-btn:active {
  transform: scale(0.92) translateY(1px);
  animation: click-bounce 0.3s ease-in-out;
}

@keyframes click-bounce {
  0% {
    transform: scale(1) translateY(0);
  }
  50% {
    transform: scale(0.9) translateY(2px);
  }
  100% {
    transform: scale(0.92) translateY(1px);
  }
}

.flip-device-btn svg {
  transition: all 0.3s ease;
  width: 18px;
  height: 18px;
}

/* ���s���� */
.flip-device-btn::after {
  content: '����';
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.flip-device-btn:hover::after {
  opacity: 1;
}

/* ��������A�U�����s�˦� */
.flip-device-btn.mobile-mode {
  background: rgba(118, 75, 162, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  animation: gentle-bounce-purple 2s ease-in-out infinite;
}

@keyframes gentle-bounce-purple {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.02);
  }
}

.flip-device-btn.mobile-mode:hover {
  background: rgba(118, 75, 162, 1);
  color: white;
  box-shadow: 0 15px 35px rgba(118, 75, 162, 0.7);
  transform: scale(1.08) translateY(-3px);
  animation: none;
}

.flip-device-btn.mobile-mode:hover svg {
  animation: icon-wiggle 0.6s ease-in-out;
}

/* �o�dzq�γ]�w�w�����A�ϥΤU�����Τ@�]�w */

/* ������w�������äU�褺�e */
.case.mobile-mode .case-content {
  display: none;
}

/* ������w���ɽվ�d������ */
.case.mobile-mode {
  min-height: 400px;
  height: 400px;
}

/* �T�����]�p */
@media (max-width: 1024px) {
  .flip-device-btn {
    bottom: 16px;
    right: 130px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    animation: gentle-bounce 2.2s ease-in-out infinite;
  }
  
  .flip-device-btn svg {
    width: 16px;
    height: 16px;
  }
  
  .case-preview.mobile-preview {
    height: 320px; /* �Y�p���� */
    background: #000 !important;
    padding: 0.1px !important;
    border-radius: 16px !important;
  }
  
  .case-preview.mobile-preview iframe {
    transform: translate(-50%, -50%) scale(0.18) !important;
    width: 375px !important;
    height: 667px !important;
    padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
    background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
  }
}

@media (max-width: 768px) {
  .flip-device-btn {
    bottom: 16px;
    right: 130px;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    opacity: 1;
    transform: scale(1);
    animation: gentle-bounce 2.4s ease-in-out infinite;
  }
  
  .flip-device-btn svg {
    width: 14px;
    height: 14px;
  }
  
  .case-preview.mobile-preview {
    height: 290px; /* �Y�p���� */
    background: #000 !important;
    padding: 0.1px !important;
    border-radius: 16px !important;
  }
  
  .case-preview.mobile-preview iframe {
    transform: translate(-50%, -50%) scale(0.15) !important;
    width: 375px !important;
    height: 667px !important;
    padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
    background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
  }
  
  .case.mobile-mode {
    min-height: 320px;
    height: 320px;
  }
}

@media (max-width: 480px) {
  .flip-device-btn {
    bottom: 12px;
    right: 100px;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    animation: gentle-bounce 2.6s ease-in-out infinite;
  }
  
  .flip-device-btn svg {
    width: 12px;
    height: 12px;
  }
  
  .case-preview.mobile-preview {
    height: 250px; /* �Y�p���� */
    background: #000 !important;
    padding: 0.1px !important;
    border-radius: 16px !important;
  }
  
  .case-preview.mobile-preview iframe {
    transform: translate(-50%, -50%) scale(0.12) !important;
    width: 375px !important;
    height: 667px !important;
    padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
    background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
  }
  
  .case.mobile-mode {
    min-height: 280px;
    height: 280px;
  }
}

/* �ʵe�ĪG */
@keyframes flipIn {
  0% {
    opacity: 0;
    transform: rotateY(-90deg) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: rotateY(0deg) scale(1);
  }
}

@keyframes flipOut {
  0% {
    opacity: 1;
    transform: rotateY(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: rotateY(90deg) scale(0.8);
  }
}

.case-preview.flipping iframe {
  animation: flipOut 0.3s ease-in-out forwards;
}

.case-preview.flipping iframe.new-view {
  animation: flipIn 0.3s ease-in-out forwards;
}

/* ������GiPhone 14 Pro ���V��ҡ]393x852�^ */
.case-preview.mobile-preview{aspect-ratio:393/852}
.case.mobile-mode{height:auto;padding-bottom:0}
.case.mobile-mode .case-content{display:none}

/* �o�dz]�w�w�g��X��U�����S�w�]�w�� */

/* �o�dz]�w�w�g��X��W����²�ƪ����� */

/* �o�dz]�w�w�g��X��W����²�ƪ����� */

/* === ��_���T�� iframe �]�w === */
.cases-carousel .case .case-preview{
  position: relative !important;
  overflow: hidden !important;
  border-radius: 12px;
}

/* �T�O������w�������T����س]�w */
.cases-carousel .case .case-preview.mobile-preview {
  background: #000 !important;
  padding: 0.1px !important;
  border-radius: 16px !important;
}

/* �ୱ���G�վ�e���ؤo�H������ */
/* === �Τ@�� iframe �e���t�� === */

/* �ୱ���G16:9 ��Үe�� */
.cases-carousel .case .case-preview.desktop-preview{
  width: 100% !important;
  height: 270px !important; /* �з� 16:9 ��� */
  position: relative !important;
  overflow: hidden !important;
  border-radius: 12px;
}

/* ������GiPhone 14 Pro ��Үe�� + �W����� */
.cases-carousel .case .case-preview.mobile-preview{
  width: 180px !important; /* �Y�p�e�� */
  height: 450px !important; /* �Y�p���� */
  position: relative !important;
  overflow: hidden !important;
  border-radius: 0; /* �����ꨤ�A����سB�z */
  margin: 0 auto; /* �m�� */
  background: #000; /* iPhone ����C�� */
  padding: 0.1px; /* �W����ثp�� - �A�Ӥ@�I */
  border-radius: 16px; /* �Y�p�ꨤ�b�| */
  box-shadow: 
    0 0 0 0.1px #333, /* �W�Ӥ���� - �A�Ӥ@�I */
    0 4px 20px rgba(0,0,0,0.15), /* �X�M���v */
    0 0 0 0.1px rgba(255,255,255,0.05); /* �L������ - �A�Ӥ@�I */
}

/* === �Τ@�� iframe �Y��t�� === */

/* �ୱ�� iframe�G�վ��Y���קK���� */
.cases-carousel .case .case-preview.desktop-preview iframe{
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 1920px !important;
  height: 1080px !important;
  border: 0 !important;
  transform: translate(-50%, -50%) scale(0.2) !important; /* �վ��Y���קK���� */
  transform-origin: center center !important;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  border-radius: 8px;
}

/* ����� iframe�G������ܡA���Q���� + iPhone ��� */
.cases-carousel .case .case-preview.mobile-preview iframe{
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 393px !important;
  height: 852px !important;
  border: 0 !important;
  transform: translate(-50%, -50%) scale(0.47) !important; /* �վ��Y��H�A����� */
  transform-origin: center center !important;
  border-radius: 20px; /* iPhone �ù��ꨤ */
  box-shadow: none; /* ���������v�A�קK��جݰ_�ӧ�� */
}

/* iPhone �ʺA�q�]Dynamic Island�^- ��o�� */
.cases-carousel .case .case-preview.mobile-preview::before {
  content: '';
  position: absolute;
  top: 14px; /* ���U���@�I */
  left: 50%;
  transform: translateX(-50%);
  width: 45px; /* �i�@�B�Y�p�e�� */
  height: 12px; /* �i�@�B�Y�p���� */
  background: #000;
  border-radius: 6px; /* �վ�ꨤ */
  z-index: 10;
}

/* �ʺA�q�w���ϰ� - �T�O���e���Q�B�� */
.cases-carousel .case .case-preview.mobile-preview iframe {
  padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
  background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
}

/* iPhone Home ���ܾ� - ��o�� */
.cases-carousel .case .case-preview.mobile-preview::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: #333;
  border-radius: 2px;
  z-index: 10;
}
/* ����w���ɪ����k�G�� - �A�Ω�Ҧ��ר� */
.cases-carousel .case.mobile-mode {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 20px !important;
  padding: 20px !important;
}

.cases-carousel .case.mobile-mode .case-preview {
  flex: 0 0 180px !important;
  height: 360px !important; /* �Y�p���� */
  width: 180px !important; /* �Y�p�e�� */
  margin: 0 !important;
  background: #000; /* iPhone ����C�� */
  padding: 0.1px; /* �W����ثp�� - �A�Ӥ@�I */
  border-radius: 14px; /* �Y�p�ꨤ�b�| */
  box-shadow: 
    0 0 0 0.1px #333, /* �W�Ӥ���� - �A�Ӥ@�I */
    0 2px 12px rgba(0,0,0,0.1), /* �X�M���v */
    0 0 0 0.1px rgba(255,255,255,0.03); /* �L������ - �A�Ӥ@�I */
}

.cases-carousel .case.mobile-mode .case-content {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 !important;
  padding: 0 !important;
  margin: 0 !important;
  justify-content: center !important;
}

/* ��������k�G���G�վ��Y��H�A�������ϰ� */
.cases-carousel .case.mobile-mode .case-preview.mobile-preview iframe{
  transform: translate(-50%, -50%) scale(0.4) !important; /* �վ��Y��H�A�������ϰ� */
  padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
  background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
}

/* �T�����]�p�G������Ҧ��b�p�ù��W���վ� */
@media (max-width: 768px) {
  .cases-carousel .case.mobile-mode {
    flex-direction: column !important;
    gap: 15px !important;
    padding: 15px !important;
  }
  
  .cases-carousel .case.mobile-mode .case-preview {
    flex: none !important;
    width: 130px !important; /* �Y�p�e�� */
    height: 220px !important; /* �Y�p���� */
  }
  
  .cases-carousel .case.mobile-mode .case-content {
    text-align: center !important;
  }
  
  /* �p�ù��W�� iframe �Y��վ� */
  .cases-carousel .case.mobile-mode .case-preview.mobile-preview iframe{
    transform: translate(-50%, -50%) scale(0.38) !important; /* 150px/393px = 0.38�A������ */
    padding-top: 40px !important; /* ���ʺA�q�d�X�w���ϰ� */
    background: #f8f9fa !important; /* �y�L�a�Ǫ��զ�I���A���� iPhone ���A�C�ϰ� */
  }
}

/* �������P�ɯ�u���u�� */
@media (max-width: 768px) {
  .carousel-controls {
    margin-top: 24px;
  }
  
  .carousel-nav-line {
    width: 160px;
    height: 3px;
  }
  
  .carousel-nav-indicator {
    width: 10px;
    height: 10px;
    box-shadow: 
      0 0 0 2px rgba(255, 255, 255, 0.9),
      0 0 0 4px rgba(37, 99, 235, 0.2),
      0 2px 8px rgba(37, 99, 235, 0.3);
  }
  
  .carousel-nav-dot {
    width: 6px;
    height: 6px;
  }
  
  .carousel-nav-dot.active {
    transform: scale(1.3);
  }
  
  /* �W�j�ư����� */
  .carousel-container {
    touch-action: pan-y pinch-zoom;
  }
  
  .carousel-track {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

/* ������j��ϥβL��D�D�A�קK�`��Ҧ����D */
@media (max-width: 768px) {
  body {
    background: #F9FAFB !important;
    color: #111827 !important;
    /* ������Y��ɪ��I�����D */
    min-height: auto; /* �אּauto�A�קK���e���X */
    overflow-x: hidden;
  }
  
  /* ����iframe���J���Ѯɪ��˦����D */
  iframe {
    background: #f5f5f5 !important;
    border: 1px solid #e5e7eb !important;
  }
  
  /* ²�ƪ�����W�h - �u�v�T�D�ҺA�ؤ��� */
  *:not(.auth-modal):not(.auth-modal *) {
    position: relative;
    z-index: auto;
  }
  
  .card {
    background: #ffffff !important;
    border-color: #E5E7EB !important;
    color: #111827 !important;
  }
  
  .site-header {
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom-color: #E5E7EB !important;
  }
  
  .mobile-nav-content {
    background: rgba(255, 255, 255, 0.98) !important;
    border-left-color: #E5E7EB !important;
  }
  
  /* �T�O��r���Q�צ� */
  .section {
    position: relative;
    z-index: 1;
  }
  
  .section-title,
  .section-subtitle {
    position: relative;
    z-index: 2;
  }
  
  /* �״_���������z-index */
  .carousel-controls,
  .carousel-indicators {
    z-index: 5 !important;
  }
  
  /* �T�O�d�����e���`��� */
  .case {
    min-height: auto !important;
    height: auto !important;
  }
  
  .case-content {
    position: relative;
    z-index: 2;
  }
  
  /* �״_�i�઺�I�����D */
  .section {
    background: transparent !important;
  }
  
  /* Hero�ϰ�O���ʵe�I�� */
  .hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    animation: backgroundShift 40s linear infinite !important;
  }
  
  .section.alt {
    background: #ffffff !important;
  }
}

/* �B�~���w���״_ */
@media (max-width: 480px) {
  /* �T�O�Ҧ���r�����������T��z-index */
  h1, h2, h3, h4, h5, h6, p, span, div {
    position: relative;
    z-index: 1;
  }
  
  /* �T�O���s�M���ʤ����b�̤W�h */
  .btn,
  .mobile-menu-toggle,
  .mobile-nav-link {
    position: relative;
    z-index: 10;
  }
  
  /* �T�O�S�������u�� */
  .container {
    overflow-x: hidden !important;
  }
  
  .section {
    overflow-x: hidden !important;
  }
  
  /* �j��L��D�D */
  body {
    background: #F9FAFB !important;
    color: #111827 !important;
  }
  
  .card {
    background: #ffffff !important;
    color: #111827 !important;
  }
}

/* ===== ������r���C��j���u�� ===== */

/* �j�������r���C���u�� - �T�O�Ҧ���r���M���i�� */
/* �S�O�u�ƫ��s��r�C��A�ѨM"���ഫ�v����"���s�ݤ��������D */
@media (max-width: 768px) {
  /* �j��Ҧ��D�n��r�ϥβ`�� */
  * {
    color: inherit;
  }
  
  /* �j����D��r */
  h1, h2, h3, h4, h5, h6,
  .section-title,
  .hero h1,
  .card h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 700 !important;
  }
  
  /* �j��q����r */
  p,
  .section-subtitle,
  .subtitle,
  .hero-bullets,
  .card p {
    color: var(--mobile-text-secondary) !important;
    font-weight: 500 !important;
  }
  
  /* �j���R����r */
  .muted,
  .text-muted,
  .clr-muted {
    color: var(--mobile-text-muted) !important;
    font-weight: 500 !important;
  }
  
  /* �j��s����r */
  a:not(.btn):not(.mobile-nav-link) {
    color: var(--clr-primary) !important;
    font-weight: 600 !important;
  }
  
  /* �j����s��r */
  .btn {
    color: white !important;
    font-weight: 600 !important;
  }
  
  .btn-outline {
    color: var(--clr-primary) !important;
    border-color: var(--clr-primary) !important;
  }
  
  /* �S�O�u�� btn-ghost ���s�A�ѨM"���ഫ�v����"���s�ݤ��������D */
  .btn-ghost {
    color: var(--mobile-text-primary) !important;
    background: rgba(30, 136, 229, 0.15) !important;
    border: 1px solid rgba(30, 136, 229, 0.4) !important;
    font-weight: 700 !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  }
  
  .btn-ghost:hover {
    color: var(--clr-primary) !important;
    background: rgba(30, 136, 229, 0.2) !important;
    border-color: rgba(30, 136, 229, 0.5) !important;
  }
  
  /* �j��I���� */
  body,
  .section,
  .card {
    background: var(--mobile-bg-primary) !important;
  }
  
  .section.alt {
    background: var(--mobile-bg-secondary) !important;
  }
  
  /* �j����ئ� */
  .card,
  .btn-outline {
    border-color: var(--mobile-border) !important;
  }
  
  /* �j���L���n�������r���C�� */
  .billing-toggle,
  .plan .price .currency,
  .plan .price .period,
  .plan .features,
  .tag-label,
  .tag-chip,
  .estimator h3,
  .estimator input,
  .estimator select,
  .estimator-grid label,
  .check-chip {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
  
  .plan .price .amount {
    color: var(--mobile-text-primary) !important;
    font-weight: 900 !important;
  }
  
  .estimator h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 700 !important;
  }
}

/* 480px�H�U�i�@�B�u�� */
@media (max-width: 480px) {
  /* �i�@�B���ɹ��� */
  :root {
    --mobile-text-primary: #0A0A0A;
    --mobile-text-secondary: #1A1A1A;
    --mobile-text-muted: #404040;
  }
  
  /* �j��Ҧ���r�ϥΧ�`���C�� */
  h1, h2, h3, h4, h5, h6,
  .section-title,
  .hero h1,
  .card h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 800 !important;
  }
  
  p,
  .section-subtitle,
  .subtitle,
  .hero-bullets,
  .card p {
    color: var(--mobile-text-secondary) !important;
    font-weight: 600 !important;
  }
}

/* 360px�H�U�̲��u�� */
@media (max-width: 360px) {
  /* �̲׹��״��� */
  :root {
    --mobile-text-primary: #000000;
    --mobile-text-secondary: #0F0F0F;
    --mobile-text-muted: #303030;
  }
  
  /* �j��̲`�C�� */
  h1, h2, h3, h4, h5, h6,
  .section-title,
  .hero h1,
  .card h3 {
    color: var(--mobile-text-primary) !important;
    font-weight: 900 !important;
  }
  
  p,
  .section-subtitle,
  .subtitle,
  .hero-bullets,
  .card p {
    color: var(--mobile-text-secondary) !important;
    font-weight: 700 !important;
  }
}

.desktop-nav a.current::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:20px;
  background:var(--clr-primary);
  border-radius:0 2px 2px 0;
}

/* �A�ȩw���˦� */
.service-pricing {
  margin-top: 12px;
  padding: 12px;
  background: #f8faff;
  border-radius: 8px;
  border: 1px solid #e1f5fe;
}

.pricing-breakdown {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.price-item {
  flex: 1;
  text-align: center;
}

.price-label {
  display: block;
  font-size: 12px;
  color: var(--clr-text-2);
  margin-bottom: 2px;
}

.price-value {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-primary);
}

.service-note {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.service-badge {
  background: var(--clr-primary);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.service-desc {
  font-size: 11px;
  color: var(--clr-text-2);
  font-style: italic;
}

/* ���˲զX�˦� */
.bundle-recommendations {
  margin-bottom: 32px;
  padding: 24px;
  background: linear-gradient(135deg, #f8faff 0%, #e3f2fd 100%);
  border-radius: var(--radius);
  border: 1px solid #e1f5fe;
}

.bundle-recommendations h4 {
  margin: 0 0 16px;
  color: var(--clr-primary);
  font-size: 18px;
  font-weight: 600;
}

.bundle-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.bundle-btn {
  padding: 16px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius);
  background: white;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.bundle-btn:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.15);
}

.bundle-btn:active {
  transform: translateY(0);
}

.bundle-icon {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
}

.bundle-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 4px;
}

.bundle-desc {
  display: block;
  font-size: 14px;
  color: var(--clr-text-2);
  margin-bottom: 8px;
}

.bundle-price {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-primary);
}

.bundle-price small {
  font-size: 12px;
  color: var(--clr-muted);
  text-decoration: line-through;
  margin-left: 8px;
}

.bundle-price .monthly-note {
  font-size: 11px;
  color: #dc2626;
  font-weight: 600;
  margin-top: 4px;
  display: block;
}

.bundle-btn.clear-all {
  border-color: #dc2626;
  background: #fef2f2;
}

.bundle-btn.clear-all:hover {
  border-color: #dc2626;
  background: #fee2e2;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.15);
}

.bundle-btn.clear-all .bundle-name {
  color: #dc2626;
}

.bundle-btn.clear-all .bundle-price {
  color: #dc2626;
}

/* ���˲զX���s�襤���A */
.bundle-btn.selected {
  border-color: var(--clr-primary);
  background: #f0f9ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.bundle-btn.selected .bundle-name {
  color: var(--clr-primary);
}

.bundle-btn.selected .bundle-price {
  color: var(--clr-primary);
}

.bundle-btn.selected .bundle-icon {
  transform: scale(1.1);
}

/* �I�ڤ覡��ܼ˦� */
.payment-method-selection {
  margin: 24px 0;
  padding: 20px;
  background: #f8faff;
  border-radius: var(--radius);
  border: 1px solid #e1f5fe;
}

.payment-method-selection h4 {
  margin: 0 0 16px;
  color: var(--clr-primary);
  font-size: 16px;
  font-weight: 600;
}

.payment-method-options {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.payment-method-option {
  flex: 1;
  cursor: pointer;
}

.payment-method-option input[type="radio"] {
  display: none;
}

.payment-method-label {
  display: block;
  padding: 16px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius);
  background: white;
  transition: all 0.2s ease;
  text-align: center;
}

.payment-method-option input[type="radio"]:checked + .payment-method-label {
  border-color: var(--clr-primary);
  background: #f8faff;
}

.method-name {
  display: block;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 4px;
}

.method-desc {
  display: block;
  font-size: 14px;
  color: var(--clr-text-2);
}

.installment-options {
  padding: 16px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
}

.installment-options label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.installment-options select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  margin-top: 4px;
}

.installment-note {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--clr-muted);
  font-style: italic;
}

/* ������I�ڿﶵ�u�� */
@media (max-width: 768px) {
  .payment-options {
    flex-direction: column;
    gap: 6px;
  }
  
  .payment-option {
    padding: 10px 12px;
  }
  
  .bundle-options {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .bundle-btn {
    padding: 14px;
  }
  
  .bundle-recommendations {
    padding: 20px;
    margin-bottom: 24px;
  }
  
  .payment-method-options {
    flex-direction: column;
    gap: 12px;
  }
  
  .payment-method-selection {
    padding: 16px;
    margin: 20px 0;
  }
}

/* ========================================
   �{�N�ƥ\��S�⭶���]�p - Glassmorphism + �ʺA�I��
   ======================================== */

/* �\��S�⭶���e�� */
#features.section {
  padding: 0;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
  background: linear-gradient(135deg, 
    #667eea 0%, 
    #764ba2 25%, 
    #f093fb 50%, 
    #f5576c 75%, 
    #4facfe 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* �B�ʭI������ */
#features.section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
  animation: floatBackground 20s ease-in-out infinite;
  z-index: 1;
}

@keyframes floatBackground {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

#features.section .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  box-sizing: border-box;
  position: relative;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  margin: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* �\��S����D�ϰ� - �{�N�ƩI�l�P�]�p */
.features-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
  position: relative;
  z-index: 11;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  flex-shrink: 0;
  padding-top: var(--spacing-lg);
}

.features-header .section-title {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: var(--font-size-5xl) !important;
  font-weight: 800 !important;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  position: relative !important;
  z-index: 12 !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.02em;
}

.features-header .section-subtitle {
  max-width: 700px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.8) !important;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  position: relative !important;
  z-index: 12 !important;
  font-size: var(--font-size-xl) !important;
  font-weight: 400;
  line-height: 1.6;
}

/* �\��i�ܰϰ� - �ʺA���ʧG�� */
.features-showcase {
  position: relative;
  margin-bottom: var(--spacing-md);
  flex: 1;
  min-height: 0;
  max-height: calc(100vh - 300px);
  overflow: hidden;
}

/* �ʺA�D�n�i�ܰϰ� - �{�N���״I�]�p */
.feature-main-expanded {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 24px;
  padding: var(--spacing-2xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
  overflow-y: auto;
}

.feature-main-expanded.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* �\������ʵe - ����㪺�ưʮĪG */
.feature-main-expanded.switching-out {
  opacity: 0;
  transform: scale(0.9) translateX(-100px);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-main-expanded.switching-in {
  opacity: 0;
  transform: scale(0.9) translateX(100px);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-main-expanded.switching-in.active {
  opacity: 1;
  transform: scale(1) translateX(0);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* �������s */
.close-expanded-btn {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 21;
}

.close-expanded-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 1);
  transform: scale(1.1);
}

/* �������D�ϰ� - �{�N�ƧG�� */
.expanded-header {
  flex-shrink: 0;
  margin-bottom: var(--spacing-lg);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.title-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.feature-icon-large {
  font-size: 3rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.title-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
}

.tech-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.hashtag {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.hashtag:hover {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.cta-section {
  position: absolute;
  top: 80px; /* �b�������s�U�� */
  right: var(--spacing-lg);
  z-index: 22;
}

.experience-btn {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  min-width: 100px;
}

.experience-btn:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.2));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
}

.experience-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.experience-btn .btn-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.experience-btn .btn-icon {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  transition: transform 0.3s ease;
}

.experience-btn:hover .btn-icon {
  transform: translateX(2px);
}

.feature-subtitle {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin: 0;
}

/* �D�n���e�ϰ� - 2/3�Ŷ����t */
.expanded-content {
  flex: 2; /* ��2/3�Ŷ� */
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* �������� */
.content-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  flex-shrink: 0;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 1);
  border-color: rgba(255, 255, 255, 0.4);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 1px;
}

/* ���e��ܰϰ� */
.content-display {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  overflow-y: auto;
  min-height: 0;
}

/* ���Ҥ��e */
.tab-content {
  display: none;
  height: 100%;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.tab-content.slide-out {
  opacity: 0;
  transform: translateX(-30px);
}

.tab-content.slide-in {
  opacity: 0;
  transform: translateX(30px);
}

/* �֤߭�z���� */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  height: 100%;
}

.principle-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
  min-height: 120px;
}

.principle-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.principle-icon {
  font-size: var(--font-size-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  flex-shrink: 0;
}

.principle-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.principle-content p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin: 0;
}

/* ���ήרҺ��� */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  height: 100%;
}

.case-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
  min-height: 140px;
}

.case-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.case-icon {
  font-size: var(--font-size-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  flex-shrink: 0;
}

.case-metric {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.15));
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.case-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.case-content p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

/* �T�����]�p - �{�N���_�I�t�� */
@media (max-width: 1200px) {
  .principles-grid,
  .cases-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .feature-main-expanded {
    padding: var(--spacing-lg);
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .title-section {
    width: 100%;
  }
  
  .title-text {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .feature-title {
    font-size: var(--font-size-2xl);
  }
  
  .principles-grid,
  .cases-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .principle-card,
  .case-card {
    min-height: auto;
  }
  
  .tech-hashtags {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .feature-main-expanded {
    padding: var(--spacing-md);
  }
  
  .feature-icon-large {
    width: 48px;
    height: 48px;
    font-size: 2rem;
  }
  
  .feature-title {
    font-size: var(--font-size-xl);
  }
  
  .hashtag {
    font-size: var(--font-size-xs);
  }
  
  .tab-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
  
  .content-display {
    padding: var(--spacing-md);
  }
  
  .principle-card,
  .case-card {
    padding: var(--spacing-md);
  }
}

.feature-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.8), 
    rgba(255, 255, 255, 0.4));
  border-radius: 20px 20px 0 0;
}

.feature-main.feature-switching {
  animation: featureSwitch 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes featureSwitch {
  0% {
    opacity: 0.7;
    transform: scale(0.95) translateY(10px);
    filter: blur(2px);
  }
  30% {
    opacity: 0.8;
    transform: scale(1.05) translateY(-5px);
    filter: blur(1px);
  }
  60% {
    opacity: 0.9;
    transform: scale(0.98) translateY(2px);
    filter: blur(0.5px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

/* ���e�����ʵe */
.feature-content.feature-content-switching {
  animation: contentSwitch 0.6s ease-in-out;
}

@keyframes contentSwitch {
  0% {
    opacity: 0;
    transform: translateX(-20px);
  }
  50% {
    opacity: 0.5;
    transform: translateX(0);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.feature-visual.feature-visual-switching {
  animation: visualSwitch 0.6s ease-in-out;
}

@keyframes visualSwitch {
  0% {
    opacity: 0;
    transform: translateX(20px) scale(0.9);
  }
  50% {
    opacity: 0.7;
    transform: translateX(0) scale(1.05);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.feature-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
}

.feature-visual {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-shrink: 0;
}

.feature-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.feature-stats {
  flex: 1;
}

.stat-highlight {
  text-align: center;
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  border-radius: var(--radius-md);
  color: white;
  box-shadow: var(--shadow-sm);
}

.stat-highlight .stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-highlight .stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  font-weight: var(--font-weight-medium);
}

.feature-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

.feature-description {
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

.feature-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--clr-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border-secondary);
  transition: all 0.3s ease;
}

.benefit-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--clr-primary);
}

.benefit-icon {
  font-size: var(--font-size-xl);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.benefit-text {
  flex: 1;
}

.benefit-text strong {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-xs);
}

.benefit-text span {
  font-size: var(--font-size-sm);
  color: var(--clr-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ��l6�ӥ\��d������ */
.features-grid-initial {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  height: 100%;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.features-grid-initial.compact {
  transform: translateY(120%); /* �������è�U�� */
  opacity: 0;
  pointer-events: none;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.2);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.8), 
    rgba(255, 255, 255, 0.4));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 16px 16px 0 0;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.2);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card.active {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.2);
}

.feature-card.active::before {
  transform: scaleX(1);
}

.feature-card .card-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.feature-card h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-sm);
  flex: 1;
}

.card-metric {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm);
  border-radius: 12px;
  display: inline-block;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* �S������ɯ� - �{�N��²��]�p */
.feature-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
  flex-shrink: 0;
  padding: var(--spacing-sm) 0;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  transform: scale(1);
}

.nav-btn:hover {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-btn.active {
  background: rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 1);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px) scale(1.05);
}

.nav-btn.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* �T�����]�p */
@media (max-width: 1024px) {
  .features-showcase {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .feature-visual {
    flex-direction: column;
    text-align: center;
  }
  
  .feature-icon {
    font-size: 3rem;
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .feature-main {
    padding: var(--spacing-xl);
  }
  
  .feature-content h3 {
    font-size: var(--font-size-2xl);
  }
  
  .feature-description {
    font-size: var(--font-size-base);
  }
  
  .feature-navigation {
    gap: var(--spacing-xs);
  }
  
  .nav-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-navigation {
    flex-direction: column;
    align-items: center;
  }
  
  .nav-btn {
    width: 200px;
  }
}

/* FAQ �������D�վ� */
#faq .section-title {
  margin-top: 6rem;
  margin-bottom: 0.5rem;
}

#faq .section-subtitle {
  margin-bottom: 1rem;
}

/* �{�N��ܬɭ��˦� */
.modern-chat {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin: 1rem 0 3rem 0;
  overflow: hidden;
  min-height: 700px;
  display: flex;
  flex-direction: column;
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat-messages {
  flex: 1;
  padding: 3rem 2rem;
  overflow-y: auto;
  scroll-behavior: smooth;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  max-height: 500px;
  min-height: 400px;
}

/* �۩w�q�u�ʱ��˦� */
.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* Firefox �u�ʱ��˦� */
.chat-messages {
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 #f1f1f1;
}

/* �u�ʨ쩳�����s */
.scroll-to-bottom-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: #1a73e8;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  z-index: 10;
}

.scroll-to-bottom-btn:hover {
  background: #1557b0;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.scroll-to-bottom-btn:active {
  transform: translateY(0);
}

.welcome-section {
  text-align: center;
  margin-bottom: 3rem;
  margin-top: 2rem;
}

.welcome-content h2 {
  font-size: 2rem;
  font-weight: 400;
  color: #1a73e8;
  margin: 0 0 0.5rem 0;
}

.welcome-content p {
  font-size: 1.1rem;
  color: #5f6368;
  margin: 0;
}

.welcome-icon {
  margin-bottom: 1.5rem;
  color: #1a73e8;
}

.message {
  margin-bottom: 1.5rem;
  animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-message {
  text-align: right;
}

.user-message .message-content {
  background: #1a73e8;
  color: white;
  border-radius: 18px 18px 4px 18px;
  padding: 0.75rem 1rem;
  display: inline-block;
  max-width: 70%;
  word-wrap: break-word;
}

.bot-message {
  text-align: left;
}

.bot-message .message-content {
  background: #f8f9fa;
  color: #202124;
  border-radius: 18px 18px 18px 4px;
  padding: 0.75rem 1rem;
  display: inline-block;
  max-width: 70%;
  word-wrap: break-word;
  border: 1px solid #e8eaed;
}

.message-content p {
  margin: 0 0 0.5rem 0;
  line-height: 1.6;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.chat-input-area {
  padding: 2rem 2rem;
  background: #ffffff;
  border-top: 1px solid #e8eaed;
}

.input-container {
  max-width: 800px;
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #dadce0;
  border-radius: 24px;
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.input-wrapper:focus-within {
  border-color: #1a73e8;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 0 0 2px rgba(26, 115, 232, 0.2);
}

#chatInput {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  background: transparent;
  color: #202124;
}

#chatInput::placeholder {
  color: #9aa0a6;
}

.send-btn {
  background: #1a73e8;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 0.5rem;
}

.send-btn:hover {
  background: #1557b0;
  transform: scale(1.05);
}

.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}


/* ������D���s�˦� */
.follow-up-questions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start;
}

.follow-up-btn {
  background: #f8f9fa;
  border: 1px solid #dadce0;
  border-radius: 16px;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  color: #1a73e8;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.follow-up-btn:hover {
  background: #e8f0fe;
  border-color: #1a73e8;
  transform: translateY(-1px);
}

/* ���r���ܾ��˦� */
.typing-indicator {
  text-align: left;
}

.typing-indicator .message-content {
  background: #f8f9fa;
  border: 1px solid #e8eaed;
  border-radius: 18px 18px 18px 4px;
  padding: 0.75rem 1rem;
  display: inline-block;
}

.typing-dots {
  display: flex;
  align-items: center;
  gap: 4px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: #9aa0a6;
  border-radius: 50%;
  animation: typingDot 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes typingDot {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}


/* �T�����]�p */
@media (max-width: 768px) {
  #faq .section-title {
    margin-top: 4rem;
    margin-bottom: 0.25rem;
  }
  
  #faq .section-subtitle {
    margin-bottom: 0.75rem;
  }
  
  .modern-chat {
    margin: 0.5rem 0 2rem 0;
    border-radius: 12px;
    min-height: 600px;
  }
  
  .chat-messages {
    padding: 2rem 1.5rem;
    max-height: 400px;
    min-height: 300px;
  }
  
  .welcome-section {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .welcome-content h2 {
    font-size: 1.5rem;
  }
  
  .welcome-content p {
    font-size: 1rem;
  }
  
  .message-content {
    max-width: 85%;
    padding: 0.75rem;
  }
  
  .chat-input-area {
    padding: 1.5rem 1.5rem;
  }
  
  
  .scroll-to-bottom-btn {
    width: 36px;
    height: 36px;
    bottom: 15px;
    right: 15px;
  }
}

@media (max-width: 480px) {
  #faq .section-title {
    margin-top: 3rem;
    margin-bottom: 0.25rem;
  }
  
  #faq .section-subtitle {
    margin-bottom: 0.5rem;
  }
  
  .modern-chat {
    margin: 0.25rem 0 1rem 0;
    border-radius: 8px;
    min-height: 500px;
  }
  
  .chat-messages {
    padding: 1.5rem 1rem;
    max-height: 350px;
    min-height: 250px;
  }
  
  .welcome-section {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .welcome-content h2 {
    font-size: 1.25rem;
  }
  
  .welcome-content p {
    font-size: 0.9rem;
  }
  
  .message-content {
    max-width: 90%;
    padding: 0.5rem 0.75rem;
  }
  
  .chat-input-area {
    padding: 1rem 1rem;
  }
  
  .input-wrapper {
    padding: 0.5rem 0.75rem;
  }
  
  #chatInput {
    font-size: 0.9rem;
  }
  
  .send-btn {
    width: 36px;
    height: 36px;
  }
  
  
  .follow-up-questions {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .follow-up-btn {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    width: 100%;
    max-width: 250px;
  }
  
  .scroll-to-bottom-btn {
    width: 32px;
    height: 32px;
    bottom: 10px;
    right: 10px;
  }
}

/* ========================================
   Nexa Studio ������������t�μ˦�
   ======================================== */

/* �����t�ΥD�e�� */
.estimate-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--clr-bg-primary);
  min-height: 100vh;
}

/* ��^���s */
.back-button {
  position: fixed;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  z-index: 1000;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  color: var(--clr-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.back-link:hover {
  background: var(--clr-bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ���D�ϰ� */
.header-section {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
}

.main-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
  font-weight: var(--font-weight-normal);
}

/* �i�ױ� */
.progress-container {
  margin-bottom: var(--spacing-xl);
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--clr-border-secondary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-sm);
  transition: width 0.5s ease;
  width: 0%;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0.4;
  transition: all 0.3s ease;
}

.step.active {
  opacity: 1;
}

.step.completed {
  opacity: 1;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-border-secondary);
  color: var(--clr-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
}

.step.active .step-number {
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
}

.step.completed .step-number {
  background: var(--clr-success);
  color: var(--clr-text-inverse);
}

.step-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-secondary);
  text-align: center;
}

/* ��������e�� */
.estimate-form-container {
  background: var(--clr-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

/* �B�J���e */
.step-content {
  display: none;
  padding: var(--spacing-3xl);
}

.step-content.active {
  display: block;
}

.step-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.step-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.step-header p {
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
}

/* 舊的 .plan-grid 定義已移除，新定義在 #quick-estimate 區域內 */

.plan-card {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-primary);
}

.plan-card.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(255, 59, 48, 0.05));
}

.plan-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: white;
  font-size: var(--font-size-xl);
}

.plan-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.plan-description {
  color: var(--clr-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.feature-tag {
  background: var(--clr-bg-tertiary);
  color: var(--clr-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.plan-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-label {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
}

.price-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

/* 舊的 .plan-selection 定義已移除，新定義在 #quick-estimate 區域內 */

.plan-card.selected .plan-selection {
  opacity: 1;
}

/* �Ҳդ��� */
.module-categories {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.module-category {
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.category-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--clr-border-secondary);
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.module-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.module-item:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.module-item.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(255, 59, 48, 0.05));
}

.module-item.essential {
  border-color: var(--clr-warning);
}

.module-info {
  flex: 1;
}

.module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.module-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
}

.module-price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

.module-tags {
  display: flex;
  gap: var(--spacing-xs);
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.tag.essential {
  background: var(--clr-warning);
  color: white;
}

.tag.recommended {
  background: var(--clr-success);
  color: white;
}

.module-toggle {
  margin-left: var(--spacing-lg);
}

.module-toggle input[type="checkbox"] {
  display: none;
}

.module-toggle label {
  width: 48px;
  height: 24px;
  background: var(--clr-border-secondary);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.module-toggle label::after {
  content: '';
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.module-toggle input[type="checkbox"]:checked + label {
  background: var(--clr-primary);
}

.module-toggle input[type="checkbox"]:checked + label::after {
  transform: translateX(24px);
}

/* �]�w���� */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.setting-item {
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.setting-item label {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-md);
}

.setting-description {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.setting-cost {
  color: var(--clr-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.page-counter {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.counter-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--clr-border-primary);
  background: var(--clr-bg-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.counter-btn:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary);
  color: white;
}

.counter-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  min-width: 60px;
  text-align: center;
}

.page-cost {
  color: var(--clr-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.setting-item input[type="checkbox"] {
  margin-right: var(--spacing-sm);
  transform: scale(1.2);
}

.setting-item select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--clr-border-primary);
  border-radius: var(--radius-md);
  background: var(--clr-bg-primary);
  color: var(--clr-text);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
}

.setting-item select:focus {
  outline: none;
  border-color: var(--clr-primary);
}

/* �y�q��ܾ� */
.traffic-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.traffic-option {
  background: var(--clr-bg-secondary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.traffic-option:hover {
  border-color: var(--clr-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.traffic-option.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(255, 59, 48, 0.05));
}

.traffic-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-sm);
}

.traffic-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-xs);
}

.traffic-desc {
  font-size: var(--font-size-sm);
  color: var(--clr-text-secondary);
}

/* ���A������ */
.server-recommendation {
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.server-level h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
}

.server-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--clr-bg-primary);
  border-radius: var(--radius-md);
}

.spec-label {
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-secondary);
}

.spec-value {
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
}

.server-cost {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--clr-primary);
  color: white;
  border-radius: var(--radius-md);
}

.cost-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.cost-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

/* �����K�n */
.quote-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.quote-breakdown {
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.quote-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--clr-border-secondary);
}

.quote-item:last-child {
  border-bottom: none;
}

.quote-item.discount {
  color: var(--clr-success);
}

.quote-item.total {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  border-top: 2px solid var(--clr-border-primary);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
}

.quote-label {
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-secondary);
}

.quote-price {
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
}

.quote-item.discount .quote-price {
  color: var(--clr-success);
}

.quote-item.total .quote-price {
  color: var(--clr-primary);
  font-size: var(--font-size-xl);
}

.quote-details {
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.timeline h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
}

.timeline-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--clr-border-secondary);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-phase {
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-secondary);
}

.timeline-duration {
  font-weight: var(--font-weight-semibold);
  color: var(--clr-primary);
}

/* �p������ */
.contact-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--clr-border-primary);
  border-radius: var(--radius-md);
  background: var(--clr-bg-primary);
  color: var(--clr-text);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.payment-options {
  grid-column: 1 / -1;
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.payment-options h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
}

.payment-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.payment-option input[type="radio"] {
  transform: scale(1.2);
}

.payment-option label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--clr-text);
  cursor: pointer;
}

.guarantee-info {
  grid-column: 1 / -1;
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.guarantee-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
}

.guarantee-info ul {
  list-style: none;
  padding: 0;
}

.guarantee-info li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--clr-text-secondary);
}

.guarantee-info li i {
  color: var(--clr-success);
}

/* ������ܰϰ� */
.price-display {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  z-index: 100;
}

.price-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--clr-border-secondary);
}

.price-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text-secondary);
}

.price-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

.price-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.breakdown-item.discount {
  color: var(--clr-success);
  font-weight: var(--font-weight-semibold);
}

/* �ާ@���s */
.action-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* �w�X�֨�D�n .btn �w�q�� */

/* �w�X�֨�D�n .btn-primary �w�q�� */

.btn-secondary {
  background: var(--clr-bg-secondary);
  color: var(--clr-text);
  border: 2px solid var(--clr-border-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--clr-bg-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-success {
  background: var(--clr-success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #2BA84A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* �ȪA�䴩 */
.support-widget {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  z-index: 100;
}

.support-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--clr-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.support-btn:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ���\�ҺA�� */
.success-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.success-content {
  background: var(--clr-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.success-icon {
  font-size: var(--font-size-6xl);
  color: var(--clr-success);
  margin-bottom: var(--spacing-lg);
}

.success-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-md);
}

.success-content p {
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.success-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--clr-bg-secondary);
  border-radius: var(--radius-md);
}

.detail-label {
  font-weight: var(--font-weight-medium);
  color: var(--clr-text-secondary);
}

.detail-value {
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
}

/* �T�����]�p */
@media (max-width: 768px) {
  .estimate-container {
    padding: var(--spacing-md);
  }

  .back-button {
    position: relative;
    top: auto;
    left: auto;
    margin-bottom: var(--spacing-lg);
  }

  .main-title {
    font-size: var(--font-size-3xl);
  }

  .progress-steps {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .step {
    flex: 1;
    min-width: 80px;
  }

  .step-content {
    padding: var(--spacing-lg);
  }

  .plan-grid {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .traffic-selector {
    grid-template-columns: repeat(2, 1fr);
  }

  .quote-summary {
    grid-template-columns: 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .price-display {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: var(--spacing-xl);
  }

  .support-widget {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: var(--spacing-lg);
  }

  .action-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .traffic-selector {
    grid-template-columns: 1fr;
  }

  .server-specs {
    grid-template-columns: 1fr;
  }

  .success-content {
    padding: var(--spacing-xl);
  }
}

/* �ʵe�ĪG */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-content.active {
  animation: fadeInUp 0.5s ease;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.plan-card.selected .plan-selection {
  animation: pulse 0.5s ease;
}

/* ���J�ʵe */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ��������t�μ˦� */
.estimate-header {
  text-align: center;
  margin-bottom: calc(var(--spacing-md) * var(--scale-factor)); /* 等比例縮放標題間距 */
}

.estimate-progress {
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor)); /* 等比例縮放進度條間距 */
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--clr-border-secondary);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  width: 16.67%;
  transition: width 0.5s ease;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.step-indicator.active {
  opacity: 1;
}

.step-indicator.completed {
  opacity: 0.8;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-border-secondary);
  color: var(--clr-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
}

.step-indicator.active .step-number {
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
}

.step-indicator.completed .step-number {
  background: var(--clr-success);
  color: var(--clr-text-inverse);
}

.step-label {
  font-size: var(--font-size-xs);
  color: var(--clr-text-secondary);
  text-align: center;
  white-space: nowrap;
}

.estimate-content {
  position: relative;
  flex: 1;
  min-height: 0;
  max-height: var(--content-height); /* 使用CSS變數，支援等比例縮放 */
  overflow-y: auto; /* 內部滾動，確保內容不超出100vh */
  padding: calc(var(--spacing-xs) * var(--scale-factor)) 0; /* 等比例縮放內距 */
  padding-bottom: calc((var(--nav-height) + var(--spacing-md)) * var(--scale-factor)); /* 為固定導航按鈕預留空間 */
  margin-bottom: 0; /* 移除底部間距，因為導航按鈕已固定 */
}

.estimate-step {
  display: none;
  animation: fadeIn 0.5s ease;
}

.estimate-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-header {
  text-align: center;
  margin-bottom: var(--spacing-sm); /* 減少步驟標題間距 */
}

.step-header h3 {
  font-size: var(--font-size-xl); /* 減少標題字體大小 */
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-xs); /* 減少標題下間距 */
}

.step-header p {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-md); /* 減少描述字體大小 */
}

/* ���I��׮i�ܼ˦� */
/* 重複定義已移至 #quick-estimate 區域內 */

/* 簡化方案卡片設計 */
.plan-card.compact {
  padding: calc(var(--spacing-sm) * var(--scale-factor)); /* 大幅減少內距 */
  min-height: calc(60px * var(--scale-factor)); /* 極度減少最小高度，為快速選擇騰出更多空間 */
  border-radius: var(--radius-lg);
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  position: relative;
  transition: all 0.3s ease;
}

.plan-card.compact:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-md);
}

.plan-summary {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-sm) * var(--scale-factor));
  width: 100%;
}

.plan-summary .plan-icon {
  font-size: calc(20px * var(--scale-factor));
  flex-shrink: 0;
}

.plan-summary .plan-info {
  flex: 1;
  min-width: 0;
}

.plan-summary .plan-info h4 {
  font-size: calc(var(--font-size-lg) * var(--scale-factor));
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin: 0 0 calc(2px * var(--scale-factor)) 0;
  line-height: 1.2;
}

.plan-summary .plan-info p {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  color: var(--clr-text-secondary);
  margin: 0;
  line-height: 1.3;
}

.plan-summary .plan-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: calc(2px * var(--scale-factor));
  margin-left: auto;
}

.plan-summary .price-original {
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  color: var(--clr-text-secondary);
  text-decoration: line-through;
  line-height: 1;
}

.plan-summary .price-discounted {
  font-size: calc(var(--font-size-lg) * var(--scale-factor));
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
  line-height: 1;
}

.plan-summary .price-savings {
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  color: var(--clr-success);
  font-weight: var(--font-weight-medium);
  line-height: 1;
}

.plan-toggle {
  background: none;
  border: none;
  padding: calc(var(--spacing-xs) * var(--scale-factor));
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--clr-text-secondary);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.plan-toggle:hover {
  background: var(--clr-bg-secondary);
  color: var(--clr-primary);
}

.plan-toggle.expanded {
  transform: rotate(180deg);
}

.plan-details {
  margin-top: calc(var(--spacing-sm) * var(--scale-factor));
  padding-top: calc(var(--spacing-sm) * var(--scale-factor));
  border-top: 1px solid var(--clr-border-secondary);
  transition: all 0.3s ease;
  overflow: hidden;
}

.plan-details.collapsed {
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  opacity: 0;
}

.plan-details.expanded {
  max-height: 300px;
  opacity: 1;
}

.plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-xs) * var(--scale-factor));
  margin-bottom: calc(var(--spacing-sm) * var(--scale-factor));
}

.plan-features span {
  background: var(--clr-bg-secondary);
  color: var(--clr-text-secondary);
  padding: calc(4px * var(--scale-factor)) calc(8px * var(--scale-factor));
  border-radius: var(--radius-sm);
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  font-weight: var(--font-weight-medium);
}

.plan-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-xs) * var(--scale-factor));
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-xs) * var(--scale-factor)) 0;
}

.spec-label {
  font-size: calc(var(--font-size-xs) * var(--scale-factor));
  color: var(--clr-text-secondary);
}

.spec-value {
  font-size: calc(var(--font-size-sm) * var(--scale-factor));
  color: var(--clr-text);
  font-weight: var(--font-weight-medium);
}

.plan-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md); /* 減少內容間距 */
  height: 100%;
}

.plan-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm); /* 減少左側間距 */
  flex: 0 0 auto;
}

.plan-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.plan-right {
  flex: 0 0 auto;
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-md);
}

.plan-card {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.plan-card.featured {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(0, 86, 204, 0.05));
  transform: scale(1.02);
}

.plan-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.plan-card.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(0, 86, 204, 0.05));
}

.plan-card.selected::before {
  content: '?';
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 20px;
  height: 20px;
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.plan-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  z-index: 1;
}

.plan-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.plan-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.plan-info h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.plan-info p {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-lg);
  margin: 0;
}

.plan-price {
  margin-bottom: var(--spacing-sm);
}

.price-original {
  font-size: var(--font-size-lg);
  color: var(--clr-text-secondary);
  text-decoration: line-through;
  margin-bottom: var(--spacing-xs);
}

.price-discounted {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-xs);
}

.price-savings {
  font-size: var(--font-size-sm);
  color: var(--clr-success);
  font-weight: var(--font-weight-medium);
  background: rgba(34, 197, 94, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  display: inline-block;
}

.plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.plan-features span {
  background: var(--clr-bg-tertiary);
  color: var(--clr-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ��׸ԲӸ�T�˦� */
.plan-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.detail-label {
  font-size: var(--font-size-sm);
  color: var(--clr-text-secondary);
  font-weight: var(--font-weight-medium);
}

.detail-value {
  font-size: var(--font-size-sm);
  color: var(--clr-text);
  font-weight: var(--font-weight-semibold);
}

/* �ֳt��ܼ˦� */
.quick-select {
  background: var(--clr-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.quick-select h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.quick-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-sm);
}

/* �ୱ���G3�C���� */
@media (min-width: 768px) {
  .quick-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* �j�ù��G4�C���� */
@media (min-width: 1200px) {
  .quick-buttons {
    grid-template-columns: repeat(4, 1fr);
  }
}

.quick-btn {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: left;
}

.quick-btn:hover {
  border-color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.05);
  transform: translateY(-2px);
}

.quick-btn.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(0, 86, 204, 0.1));
}

.quick-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.quick-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--clr-text);
  flex: 1;
}

.quick-price {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.quick-original {
  font-size: var(--font-size-xs);
  color: var(--clr-text-secondary);
  text-decoration: line-through;
}

.quick-discounted {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

/* �Ҳտ�ܼ˦� */
.modules-categories {
  margin-bottom: var(--spacing-2xl);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.category-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--clr-border-secondary);
  background: var(--clr-bg-primary);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: var(--font-weight-medium);
}

.category-tab.active,
.category-tab:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.05);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.module-card {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.module-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.module-card.selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(0, 86, 204, 0.05));
}

.module-card.selected::before {
  content: '?';
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 20px;
  height: 20px;
  background: var(--clr-primary);
  color: var(--clr-text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.module-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.module-card h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-xs);
}

.module-card p {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.module-price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

/* �򥻳]�w�˦� */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.setting-card {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
}

.setting-card h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
}

.page-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.counter-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--clr-border-secondary);
  background: var(--clr-bg-primary);
  color: var(--clr-text);
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  transition: all 0.3s ease;
}

.counter-btn:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.counter-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-text);
  min-width: 60px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
  margin-bottom: var(--spacing-md);
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch label {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--clr-border-secondary);
  transition: 0.3s;
  border-radius: 30px;
}

.toggle-switch label:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.toggle-switch input:checked + label {
  background-color: var(--clr-primary);
}

.toggle-switch input:checked + label:before {
  transform: translateX(30px);
}

.language-selector select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-md);
  background: var(--clr-bg-primary);
  color: var(--clr-text);
  font-size: var(--font-size-base);
  cursor: pointer;
}

.setting-note {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ���A����ܼ˦� */
.server-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.traffic-selector h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.traffic-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.traffic-btn {
  padding: var(--spacing-lg);
  border: 2px solid var(--clr-border-secondary);
  background: var(--clr-bg-primary);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: var(--font-weight-medium);
}

.traffic-btn:hover,
.traffic-btn.selected {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.05);
}

.server-recommendation {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.recommendation-card {
  text-align: center;
}

.recommendation-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.recommendation-card h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-sm);
}

.recommendation-card p {
  color: var(--clr-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.server-price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-primary);
}

/* �̲׽T�{�˦� */
.final-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.summary-card,
.price-breakdown {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.summary-card h4,
.price-breakdown h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.summary-items,
.price-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.summary-item,
.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--clr-border-secondary);
}

.summary-item:last-child,
.price-item:last-child {
  border-bottom: none;
}

.price-item.total {
  border-top: 2px solid var(--clr-primary);
  padding-top: var(--spacing-md);
  font-weight: var(--font-weight-bold);
}

.item-label,
.price-label {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-base);
}

.item-value,
.price-value {
  color: var(--clr-text);
  font-weight: var(--font-weight-medium);
}

.price-item.total .price-value {
  color: var(--clr-primary);
  font-size: var(--font-size-lg);
}

.discount-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: rgba(52, 199, 89, 0.1);
  border-radius: var(--radius-md);
  color: var(--clr-success);
  font-weight: var(--font-weight-medium);
}

.discount-icon {
  font-size: var(--font-size-lg);
}

/* ����˦� */
.submit-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.guarantee-card,
.contact-info {
  background: var(--clr-bg-primary);
  border: 2px solid var(--clr-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.guarantee-card h4,
.contact-info h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-text);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.guarantee-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--clr-text-secondary);
}

.guarantee-icon {
  font-size: var(--font-size-lg);
}

.contact-info p {
  color: var(--clr-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-method {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
}

/* �����t�ξɯ���s�˦� */
.estimate-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0; /* 移除邊距 */
  padding: calc(var(--spacing-md) * var(--scale-factor)) 0; /* 等比例縮放內距 */
  background: var(--clr-bg-primary);
  border-top: 1px solid var(--clr-border-secondary);
  position: relative; /* 改為相對定位，固定在快速估價區域內 */
  z-index: 10;
  flex-shrink: 0;
  height: var(--nav-height); /* 使用固定高度 */
}

.estimate-navigation .nav-btn {
  padding: var(--spacing-sm) var(--spacing-md); /* 減少按鈕內距 */
  border: 2px solid var(--clr-border-secondary);
  background: var(--clr-bg-primary);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm); /* 減少字體大小 */
}

.estimate-navigation .nav-btn:hover:not(:disabled) {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(0, 122, 255, 0.05);
}

.estimate-navigation .nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 快速估價響應式設計 - 等比例縮放策略 */

/* 21:9螢幕比例 (3440x1440) - 基準尺寸 */
@media (min-width: 3440px) and (min-height: 1440px) {
  #quick-estimate {
    --scale-factor: 1.2; /* 21:9螢幕放大至120% */
    --nav-height: 70px; /* 大螢幕增加導航按鈕高度 */
    --header-height: 140px; /* 大螢幕增加上方空間 */
    --content-height: calc(100vh - var(--nav-height) - var(--header-height));
  }
}

/* 16:10螢幕比例 (1920x1200) - 等比例縮放 */
@media (max-width: 1920px) and (max-height: 1200px) and (min-width: 1367px) {
  #quick-estimate {
    --scale-factor: 0.95; /* 16:10螢幕縮放至95% */
    --nav-height: 60px; /* 標準導航按鈕高度 */
    --header-height: 120px; /* 標準上方空間 */
    --content-height: calc(100vh - var(--nav-height) - var(--header-height));
  }
}

/* 16:9螢幕比例 (1366x768) - 等比例縮放 */
@media (max-width: 1366px) and (max-height: 768px) {
  #quick-estimate {
    --scale-factor: 0.85; /* 16:9螢幕縮放至85% */
    --nav-height: 45px; /* 16:9螢幕減少導航按鈕高度 */
    --header-height: 90px; /* 16:9螢幕減少上方空間 */
    --content-height: calc(100vh - var(--nav-height) - var(--header-height));
  }
  
  .plan-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); /* 16:9螢幕調整為更緊湊的網格 */
    gap: calc(var(--spacing-sm) * var(--scale-factor));
  }
}

/* 平板尺寸 (768px-1024px) - 等比例縮放 */
@media (max-width: 1024px) and (min-width: 769px) {
  #quick-estimate {
    --scale-factor: 0.8; /* 平板縮放至80% */
    --nav-height: 50px; /* 平板減少導航按鈕高度 */
    --header-height: 100px; /* 平板減少上方空間 */
    --content-height: calc(100vh - var(--nav-height) - var(--header-height));
  }
  
  .plan-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* 平板調整為3列 */
    gap: calc(var(--spacing-sm) * var(--scale-factor));
  }
}

/* 手機版 (480px以下) - 等比例縮放 */
@media (max-width: 480px) {
  #quick-estimate {
    --scale-factor: 0.7; /* 手機版縮放至70% */
    --nav-height: 40px; /* 手機版減少導航按鈕高度 */
    --header-height: 80px; /* 手機版減少上方空間 */
    --content-height: calc(100vh - var(--nav-height) - var(--header-height));
  }
  
  .plan-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* 手機版調整為2列 */
    gap: calc(var(--spacing-xs) * var(--scale-factor));
  }
  
  .plan-details-expand .plan-specs {
    grid-template-columns: 1fr; /* 手機版改為單列 */
  }
}

/* 快速估價進度條響應式設計 */
@media (max-width: 1024px) {
  .estimate-progress {
    margin-bottom: var(--spacing-lg);
  }
  
  .progress-steps {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
  }
  
  .step-indicator {
    flex: 0 0 calc(16.66% - var(--spacing-xs));
    min-width: 80px;
    max-width: 120px;
  }
  
  .step-number {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-sm);
  }
  
  .step-label {
    font-size: var(--font-size-xs);
    text-align: center;
    line-height: 1.2;
  }
}

@media (max-width: 768px) {
  .estimate-progress {
    margin-bottom: var(--spacing-md);
  }
  
  .progress-steps {
    gap: var(--spacing-xs);
  }
  
  .step-indicator {
    flex: 0 0 calc(33.33% - var(--spacing-xs));
    min-width: 70px;
    max-width: 100px;
  }
  
  .step-number {
    width: 24px;
    height: 24px;
    font-size: var(--font-size-xs);
  }
  
  .step-label {
    font-size: 10px;
    line-height: 1.1;
  }
}

@media (max-width: 480px) {
  .estimate-progress {
    margin-bottom: var(--spacing-sm);
  }
  
  .progress-steps {
    gap: 4px;
  }
  
  .step-indicator {
    flex: 0 0 calc(50% - 2px);
    min-width: 60px;
    max-width: 80px;
  }
  
  .step-number {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .step-label {
    font-size: 9px;
    line-height: 1;
  }
}

.estimate-navigation .next-btn,
.estimate-navigation .submit-btn {
  background: var(--gradient-primary);
  color: var(--clr-text-inverse);
  border-color: var(--clr-primary);
}

.estimate-navigation .next-btn:hover,
.estimate-navigation .submit-btn:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ������ܼ˦� - �{�N�ƺ}�B�]�p */
.price-display {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 1000;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.price-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 24px;
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  min-width: 240px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.price-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(0, 122, 255, 0.3), 
    transparent
  );
}

.price-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.price-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 32px 64px rgba(0, 0, 0, 0.12),
    0 16px 32px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 122, 255, 0.4);
}

.price-card:hover::after {
  opacity: 1;
}

.price-label {
  color: var(--clr-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  opacity: 0.8;
}

.price-amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.price-amount::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-primary), transparent);
  border-radius: 1px;
}

.price-note {
  color: var(--clr-success);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: rgba(52, 199, 89, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 16px;
  border: 1px solid rgba(52, 199, 89, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.price-note::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.price-card:hover .price-note::before {
  left: 100%;
}

/* ����d���߽ĮĪG */
.price-card {
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 
      0 20px 40px rgba(0, 0, 0, 0.1),
      0 8px 16px rgba(0, 0, 0, 0.06),
      inset 0 1px 0 rgba(255, 255, 255, 0.8);
  }
  50% {
    box-shadow: 
      0 20px 40px rgba(0, 122, 255, 0.15),
      0 8px 16px rgba(0, 122, 255, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.8),
      0 0 20px rgba(0, 122, 255, 0.1);
  }
}

/* �����s�ɪ��{�{�ĪG */
.price-amount.updating {
  animation: price-update 0.6s ease-in-out;
}

@keyframes price-update {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); color: var(--clr-success); }
  100% { transform: scale(1); }
}

/* �T�����]�p */
@media (max-width: 768px) {
  .progress-steps {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .step-label {
    font-size: 10px;
  }
  
  .plan-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .plan-left {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .plan-right {
    text-align: center;
  }
  
  .quick-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .plan-categories {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .modules-grid {
    grid-template-columns: 1fr;
  }
  
  .settings-grid {
    grid-template-columns: 1fr;
  }
  
  .server-options {
    grid-template-columns: 1fr;
  }
  
  .traffic-buttons {
    grid-template-columns: 1fr;
  }
  
  .final-summary {
    grid-template-columns: 1fr;
  }
  
  .submit-section {
    grid-template-columns: 1fr;
  }
  
  .estimate-navigation {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .price-display {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: var(--spacing-xl);
    animation: none;
  }
  
  .price-card {
    min-width: 200px;
    padding: var(--spacing-lg);
    border-radius: 20px;
  }
  
  .price-amount {
    font-size: var(--font-size-2xl);
  }
  
  .price-label {
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
  }
  
  .price-note {
    font-size: 10px;
    padding: var(--spacing-xs);
  }
}