:root {
  --color-bg: #F8F9FA;
  --color-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-light: #595959;
  --color-text-muted: #767676;
  --color-border: #E8E8E8;
  --color-primary: #7A9A7E;
  --color-primary-light: #A7C4BC;
  --color-accent: #D4949A;
  --color-price: #E85D5D;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --safe-area-top: env(safe-area-inset-top);
  --safe-area-bottom: env(safe-area-inset-bottom);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  padding-top: var(--safe-area-top);
  padding-bottom: var(--safe-area-bottom);
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== 顶部导航 ========== */
.mobile-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  padding-top: calc(var(--safe-area-top) + 8px);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.header-actions {
  display: flex;
  gap: 12px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
}

.icon-btn:active {
  background: rgba(0, 0, 0, 0.05);
}

/* ========== 主内容区域 ========== */
.mobile-main {
  flex: 1;
  padding: 16px;
  padding-bottom: 80px;
}

/* ========== VIP 卡片 ========== */
.vip-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  color: white;
}

.vip-content {
  position: relative;
  z-index: 1;
}

.vip-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.vip-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.vip-desc {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 16px;
}

.vip-btn {
  padding: 10px 24px;
  background: white;
  color: #667eea;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

.vip-btn:active {
  transform: scale(0.95);
}

.vip-decoration {
  position: absolute;
  right: -20px;
  bottom: -20px;
  font-size: 120px;
  opacity: 0.2;
  transform: rotate(-15deg);
}

/* ========== 功能分类 ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text);
}

.category-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: 24px;
}

.category-name {
  font-size: 12px;
  color: var(--color-text);
  text-align: center;
}

/* ========== 通用区块 ========== */
.section {
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.section-more {
  font-size: 13px;
  color: var(--color-text-muted);
  text-decoration: none;
}

.section-more:active {
  opacity: 0.6;
}

/* ========== 横向滚动卡片 ========== */
.horizontal-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -16px;
  padding: 0 16px;
}

.scroll-content {
  display: flex;
  gap: 12px;
  width: max-content;
}

.horizontal-card {
  width: 160px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s;
}

.horizontal-card:active {
  transform: scale(0.98);
}

.card-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-text-muted);
}

.card-rating {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* ========== 产品列表 ========== */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 12px;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.product-item:active {
  transform: scale(0.99);
}

.product-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: 32px;
  flex-shrink: 0;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

.product-btn {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  flex-shrink: 0;
}

.product-btn:active {
  opacity: 0.9;
}

/* ========== 广告横幅 ========== */
.ad-banner {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.ad-content {
  flex: 1;
  color: white;
}

.ad-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.ad-desc {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 12px;
}

.ad-btn {
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  font-size: 13px;
  cursor: pointer;
}

.ad-image {
  font-size: 60px;
  opacity: 0.8;
}

/* ========== 底部导航 ========== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding-bottom: var(--safe-area-bottom);
  display: flex;
  justify-content: space-around;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  text-decoration: none;
  color: var(--color-text-muted);
  gap: 4px;
}

.nav-item.active {
  color: var(--color-primary);
}

.nav-icon {
  width: 24px;
  height: 24px;
}

.nav-label {
  font-size: 11px;
}

/* ========== 我的页面 ========== */
.profile-header {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.avatar-container {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
}

.avatar-edit {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border: 2px solid white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.profile-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.profile-id {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* 功能统计 */
.profile-stats {
  display: flex;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text);
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
}

.stat-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

/* 横幅广告 */
.profile-banner {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.banner-content {
  flex: 1;
  color: white;
}

.banner-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.banner-desc {
  font-size: 13px;
  opacity: 0.8;
}

.banner-image {
  font-size: 50px;
  opacity: 0.8;
}

/* 功能列表 */
.profile-list {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:active {
  background: var(--color-bg);
}

.list-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.list-label {
  flex: 1;
  font-size: 15px;
}

.list-arrow {
  color: var(--color-text-muted);
}

/* 关注区域 */
.follow-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.follow-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.follow-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: 24px;
}

.follow-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.follow-desc {
  font-size: 13px;
  color: var(--color-text-muted);
}

.follow-qr {
  text-align: center;
}

.qr-code {
  width: 120px;
  height: 120px;
  background: white;
  border-radius: var(--radius-sm);
  padding: 8px;
  margin-bottom: 8px;
}

.qr-desc {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* 操作按钮 */
.profile-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.action-btn {
  width: 100%;
  padding: 14px;
  background: var(--color-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:active {
  transform: scale(0.98);
}

.action-btn.secondary {
  background: var(--color-bg);
}

/* ========== 全部测评页面 ========== */
.search-bar {
  position: sticky;
  top: calc(52px + var(--safe-area-top));
  z-index: 99;
  background: var(--color-bg);
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
}

.search-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--color-text);
  background: transparent;
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.all-products-layout {
  display: flex;
  min-height: calc(100vh - 200px);
}

.category-sidebar {
  width: 80px;
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
}

.sidebar-item {
  padding: 16px 12px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  transition: all 0.2s;
}

.sidebar-item.active {
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
  border-left: 3px solid var(--color-primary);
}

.products-main {
  flex: 1;
  min-width: 0;
}

.sort-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.sort-btn {
  padding: 6px 12px;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sort-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.product-list-full {
  display: flex;
  flex-direction: column;
}

.product-card-full {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
}

.product-card-full:active {
  background: var(--color-bg);
}

.product-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  flex-shrink: 0;
}

.product-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.product-footer {
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-price {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-price);
}

.product-original-price {
  font-size: 13px;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.product-users {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-left: auto;
}

.test-btn {
  padding: 8px 20px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  align-self: center;
  flex-shrink: 0;
}

.test-btn:active {
  opacity: 0.9;
}

.end-notice {
  padding: 24px 16px;
  text-align: center;
}

.end-notice p {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ========== 响应式适配 ========== */
@media (min-width: 768px) {
  #app {
    max-width: 480px;
    margin: 0 auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.1);
  }

  .bottom-nav {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
  }

  .mobile-header {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* ========== SVG 图标样式 ========== */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.category-icon .icon {
  color: var(--color-text);
}

.card-icon .icon {
  color: var(--color-text);
}

.card-meta .icon {
  color: var(--color-text-muted);
}

.product-icon .icon {
  color: var(--color-text);
}

.product-meta .icon {
  color: var(--color-text-muted);
}

.vip-badge .icon {
  color: white;
}

.vip-decoration .icon {
  color: rgba(255, 255, 255, 0.3);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title .icon {
  color: #E85D5D;
}

.ad-image .icon {
  color: rgba(255, 255, 255, 0.8);
}

/* ========== 触摸目标优化 ========== */
.category-item {
  min-height: 80px;
  padding: 12px 8px;
}

.category-icon {
  width: 52px;
  height: 52px;
  min-width: 44px;
  min-height: 44px;
}

.sidebar-item {
  min-height: 48px;
  padding: 14px 12px;
}

.product-btn,
.test-btn,
.vip-btn,
.ad-btn {
  min-height: 44px;
  min-width: 80px;
}

.nav-item {
  min-height: 56px;
  padding: 10px 0;
}

.icon-btn {
  min-width: 44px;
  min-height: 44px;
}

/* ========== 加载状态（骨架屏） ========== */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-title {
  height: 20px;
  width: 80%;
  margin-bottom: 12px;
}

.skeleton-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-lg);
}

.skeleton-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
}

/* 加载状态容器 */
.loading-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
}

.loading-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ========== 无障碍优化 ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .skeleton {
    animation: none;
    background: #f0f0f0;
  }
}

/* 焦点状态 */
.icon-btn:focus-visible,
.nav-item:focus-visible,
.category-item:focus-visible,
.product-btn:focus-visible,
.test-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  :root {
    --color-text-muted: #595959;
    --color-border: #666666;
  }
  
  .product-price {
    color: #CC0000;
  }
}

/* ========== 卡片图标样式优化 ========== */
.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.product-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.card-users,
.card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-users {
  display: flex;
  align-items: center;
  gap: 4px;
}