/* 防止 SVG 图标过大 */
svg {
  max-width: 100%;
  max-height: 100%;
}

 */

/* ========================================
   CSS 变量定义
   ======================================== */
:root {
  /* 核心色调 - 更柔和的渐变 */
  --glass-primary: #6366f1;
  --glass-primary-light: #8b5cf6;
  --glass-secondary: #a855f7;
  --glass-accent: #ec4899;
  
  /* 渐变组合 */
  --glass-gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --glass-gradient-2: linear-gradient(180deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
  --glass-gradient-3: linear-gradient(45deg, rgba(236, 72, 153, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  
  /* 背景色 - 更浅的灰调 */
  --glass-bg: #f8f9fc;
  --glass-bg-secondary: #f0f2f8;
  --glass-bg-tertiary: #e8ebf4;
  
  /* 玻璃效果背景 */
  --glass-white: rgba(255, 255, 255, 0.72);
  --glass-white-strong: rgba(255, 255, 255, 0.85);
  --glass-white-subtle: rgba(255, 255, 255, 0.45);
  --glass-dark: rgba(17, 24, 39, 0.75);
  --glass-dark-subtle: rgba(17, 24, 39, 0.45);
  
  /* 文字颜色 */
  --glass-text: #1a1d29;
  --glass-text-secondary: #6b7280;
  --glass-text-tertiary: #9ca3af;
  --glass-text-inverse: #ffffff;
  
  /* 功能色 */
  --glass-success: #22c55e;
  --glass-warning: #f59e0b;
  --glass-danger: #ef4444;
  --glass-info: #3b82f6;
  
  /* 圆角 - iOS 风格的大圆角 */
  --glass-radius-sm: 8px;
  --glass-radius: 16px;
  --glass-radius-lg: 24px;
  --glass-radius-xl: 32px;
  --glass-radius-full: 9999px;
  
  /* 阴影 - 多层柔和阴影 */
  --glass-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
  --glass-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
  --glass-shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.1), 0 8px 24px rgba(0, 0, 0, 0.06);
  
  /* 内阴影 */
  --glass-inner-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6), inset 0 -1px 2px rgba(0, 0, 0, 0.02);
  
  /* 模糊强度 */
  --glass-blur-sm: blur(8px);
  --glass-blur: blur(20px);
  --glass-blur-lg: blur(40px);
  
  /* 边框 */
  --glass-border: 1px solid rgba(255, 255, 255, 0.5);
  --glass-border-subtle: 1px solid rgba(255, 255, 255, 0.3);
  --glass-border-light: 1px solid rgba(0, 0, 0, 0.05);
  
  /* 间距 */
  --glass-nav-height: 80px;
  --glass-safe-top: env(safe-area-inset-top, 0px);
  --glass-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ========================================
   基础重置
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: var(--glass-bg);
  color: var(--glass-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: calc(var(--glass-nav-height) + var(--glass-safe-bottom));
}

/* ========================================
   玻璃效果组件
   ======================================== */

/* 标准玻璃卡片 */
.glass-card {
  background: var(--glass-white);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  position: relative;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}

/* 玻璃卡片变体 */
.glass-card-strong {
  background: var(--glass-white-strong);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
}

.glass-card-subtle {
  background: var(--glass-white-subtle);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  box-shadow: var(--glass-shadow-sm);
}

.glass-card-dark {
  background: var(--glass-dark);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--glass-text-inverse);
}

/* 玻璃导航栏 */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 249, 252, 0.72);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border-bottom: var(--glass-border);
  padding-top: var(--glass-safe-top);
}

.glass-nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 玻璃底部导航 */
.glass-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border-top: var(--glass-border);
  padding-bottom: var(--glass-safe-bottom);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.04);
}

.glass-bottom-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 12px 20px calc(12px + var(--glass-safe-bottom));
  max-width: 600px;
  margin: 0 auto;
}

.glass-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  color: var(--glass-text-tertiary);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--glass-radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-nav-item svg,
.glass-nav-item i {
  width: 24px;
  height: 24px;
  font-size: 22px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-nav-item.active {
  color: var(--glass-primary);
  background: rgba(99, 102, 241, 0.1);
}

.glass-nav-item.active svg,
.glass-nav-item.active i {
  transform: scale(1.1);
  filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.4));
}

/* ========================================
   按钮组件
   ======================================== */
.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--glass-radius);
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.glass-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.3), transparent);
  border-radius: var(--glass-radius) var(--glass-radius) 0 0;
}

.glass-btn-primary {
  background: var(--glass-gradient-1);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4), 0 2px 8px rgba(99, 102, 241, 0.2), var(--glass-inner-shadow);
}

.glass-btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5), 0 4px 12px rgba(99, 102, 241, 0.3), var(--glass-inner-shadow);
}

.glass-btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3), var(--glass-inner-shadow);
}

.glass-btn-secondary {
  background: var(--glass-white-strong);
  color: var(--glass-primary);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.glass-btn-secondary:hover:not(:disabled) {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.glass-btn-outline {
  background: transparent;
  color: var(--glass-primary);
  border: 1.5px solid rgba(99, 102, 241, 0.3);
}

.glass-btn-outline:hover:not(:disabled) {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.5);
}

.glass-btn-glass {
  background: var(--glass-white);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--glass-text);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-btn-lg {
  padding: 18px 36px;
  font-size: 17px;
  border-radius: var(--glass-radius-lg);
}

.glass-btn-sm {
  padding: 10px 18px;
  font-size: 13px;
  border-radius: var(--glass-radius-sm);
}

.glass-btn-block {
  width: 100%;
}

.glass-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ========================================
   表单组件
   ======================================== */
.glass-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 16px;
  border: var(--glass-border-light);
  border-radius: var(--glass-radius);
  background: var(--glass-white-strong);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  transition: all 0.3s ease;
  outline: none;
  color: var(--glass-text);
}

.glass-input::placeholder {
  color: var(--glass-text-tertiary);
}

.glass-input:focus {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--glass-inner-shadow);
  background: var(--glass-white);
}

.glass-input-group {
  position: relative;
  margin-bottom: 20px;
}

.glass-input-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--glass-text-tertiary);
  font-size: 18px;
}

.glass-input.with-icon {
  padding-left: 52px;
}

.glass-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--glass-text-secondary);
  margin-bottom: 8px;
  padding-left: 4px;
}

/* ========================================
   容器和布局
   ======================================== */
.glass-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  padding-top: calc(20px + var(--glass-safe-top));
}

.glass-section {
  margin-bottom: 32px;
}

.glass-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--glass-text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.glass-section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--glass-gradient-1);
  border-radius: 2px;
}

/* ========================================
   Hero 区域
   ======================================== */
.glass-hero {
  position: relative;
  padding: 40px 24px;
  margin: -20px -20px 32px -20px;
  background: var(--glass-gradient-1);
  border-radius: 0 0 var(--glass-radius-xl) var(--glass-radius-xl);
  overflow: hidden;
}

.glass-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.glass-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, transparent 60%);
  border-radius: 50%;
}

.glass-hero-content {
  position: relative;
  z-index: 1;
  color: white;
}

.glass-hero h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.glass-hero p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 24px;
}

/* 玻璃搜索框 */
.glass-search {
  position: relative;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
}

.glass-search:hover {
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.glass-search svg,
.glass-search i {
  color: white;
  font-size: 20px;
}

.glass-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 16px;
  color: white;
}

.glass-search input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   商品卡片 - iOS 液态玻璃风格
   ======================================== */
.product-glass-card {
  background: var(--glass-white);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius-lg);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-glass-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--glass-shadow-lg);
}

.product-image-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
  background: var(--glass-bg-tertiary);
}

.product-image-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-glass-card:hover .product-image-wrap img {
  transform: scale(1.08);
}

.glass-product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 12px;
  background: var(--glass-white-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--glass-radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--glass-primary);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow-sm);
}

.glass-product-info {
  padding: 20px;
}

.glass-product-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--glass-text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.glass-product-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--glass-text-secondary);
}

.glass-product-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--glass-primary);
  background: var(--glass-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-product-price small {
  font-size: 14px;
  font-weight: 500;
  -webkit-text-fill-color: var(--glass-text-tertiary);
}

/* ========================================
   标签和徽章
   ======================================== */
.glass-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--glass-radius-full);
  background: var(--glass-white);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: var(--glass-border);
  color: var(--glass-text-secondary);
}

.glass-tag-primary {
  background: rgba(99, 102, 241, 0.1);
  color: var(--glass-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.glass-tag-success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--glass-success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.glass-tag-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--glass-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.glass-tag-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--glass-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ========================================
   列表项
   ======================================== */
.glass-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--glass-white);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--glass-radius);
  border: var(--glass-border);
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.glass-list-item:hover {
  transform: translateX(4px);
  box-shadow: var(--glass-shadow);
}

.glass-list-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--glass-radius);
  background: var(--glass-gradient-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--glass-primary);
  flex-shrink: 0;
}

.glass-list-content {
  flex: 1;
  min-width: 0;
}

.glass-list-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--glass-text);
  margin-bottom: 4px;
}

.glass-list-desc {
  font-size: 13px;
  color: var(--glass-text-secondary);
}

.glass-list-arrow {
  color: var(--glass-text-tertiary);
  font-size: 18px;
}

/* ========================================
   动画效果
   ======================================== */
@keyframes glassFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glassSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes glassPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(99, 102, 241, 0);
  }
}

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

.glass-animate-in {
  animation: glassFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.glass-animate-slide-up {
  animation: glassSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.glass-stagger-1 { animation-delay: 0.05s; }
.glass-stagger-2 { animation-delay: 0.1s; }
.glass-stagger-3 { animation-delay: 0.15s; }
.glass-stagger-4 { animation-delay: 0.2s; }
.glass-stagger-5 { animation-delay: 0.25s; }

/* ========================================
   骨架屏 - 液态玻璃风格
   ======================================== */
.glass-skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg-secondary) 25%,
    var(--glass-bg-tertiary) 50%,
    var(--glass-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: glassShimmer 1.5s infinite;
  border-radius: var(--glass-radius);
}

.glass-skeleton-card {
  background: var(--glass-white);
  border-radius: var(--glass-radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow-sm);
}

/* ========================================
   加载和空状态
   ======================================== */
.glass-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--glass-text-secondary);
}

.glass-loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-bg-tertiary);
  border-top-color: var(--glass-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.glass-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.glass-empty-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--glass-radius-lg);
  background: var(--glass-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin-bottom: 20px;
  color: var(--glass-text-tertiary);
}

.glass-empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--glass-text);
  margin-bottom: 8px;
}

.glass-empty-desc {
  font-size: 14px;
  color: var(--glass-text-secondary);
}

/* ========================================
   模态框和弹窗
   ======================================== */
.glass-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.glass-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.glass-modal {
  background: var(--glass-white-strong);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border-radius: var(--glass-radius-xl);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow-xl);
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-modal-overlay.active .glass-modal {
  transform: scale(1) translateY(0);
}

.glass-modal-header {
  padding: 24px 24px 0;
}

.glass-modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--glass-text);
}

.glass-modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.glass-modal-footer {
  padding: 16px 24px 24px;
  display: flex;
  gap: 12px;
}

/* ========================================
   响应式适配
   ======================================== */
@media (max-width: 768px) {
  :root {
    --glass-radius-lg: 20px;
    --glass-radius-xl: 24px;
  }
  
  .glass-container {
    padding: 16px;
  }
  
  .glass-hero {
    padding: 32px 20px;
    margin: -16px -16px 24px -16px;
  }
  
  .glass-hero h1 {
    font-size: 26px;
  }
  
  .glass-bottom-nav-items {
    padding: 10px 16px calc(10px + var(--glass-safe-bottom));
  }
  
  .glass-nav-item {
    padding: 6px 12px;
    font-size: 10px;
  }
  
  .glass-nav-item svg,
  .glass-nav-item i {
    width: 22px;
    height: 22px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .glass-hero h1 {
    font-size: 22px;
  }
  
  .glass-btn-lg {
    padding: 16px 28px;
    font-size: 16px;
  }
}

/* ========================================
   安全区域适配
   ======================================== */
@supports (padding-top: env(safe-area-inset-top)) {
  .glass-nav {
    padding-top: env(safe-area-inset-top);
  }
  
  .glass-container {
    padding-top: calc(20px + env(safe-area-inset-top));
  }
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .glass-bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
  }
  
  body {
    padding-bottom: calc(var(--glass-nav-height) + env(safe-area-inset-bottom));
  }
}

/* ========================================
   特殊效果
   ======================================== */
.glass-glow {
  position: relative;
}

.glass-glow::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--glass-gradient-1);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity 0.3s ease;
}

.glass-glow:hover::after {
  opacity: 0.6;
}

/* 渐变文字 */
.glass-gradient-text {
  background: var(--glass-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 玻璃分割线 */
.glass-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 0, 0, 0.05) 20%,
    rgba(0, 0, 0, 0.05) 80%,
    transparent
  );
  margin: 24px 0;
}