/* ============================================
   17c一起草 - 青春活力轻量化极简风格
   主色调：#00D26A 新生草绿
   辅助色：#FFD166 活力明黄
   背景色：#FFFFFF 干净白
   正文色：#2D3436 深灰黑
   ============================================ */

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #00D26A;
  --color-primary-dark: #00B85C;
  --color-secondary: #FFD166;
  --color-bg: #FFFFFF;
  --color-bg-light: #F8F9FA;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-border: #E8ECEF;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.4);
  --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-title: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ============================================
   小草生长加载动画
   ============================================ */
@keyframes grassGrow {
  0% { transform: scaleY(0); opacity: 0; }
  50% { transform: scaleY(1.1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes bounceIn {
  0% { transform: scale(0.9); opacity: 0; }
  60% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); }
}

@keyframes danmakuScroll {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s var(--transition-base) forwards;
}

.animate-bounceIn {
  animation: bounceIn 0.5s var(--transition-bounce) forwards;
}

/* ============================================
   容器与布局
   ============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

.section-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

/* ============================================
   导航栏
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav-logo .logo-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
  background: rgba(0, 210, 106, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-bg-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.nav-search-btn:hover {
  background: rgba(0, 210, 106, 0.1);
  transform: scale(1.05);
}

.btn-vip {
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), #00E676);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-vip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 210, 106, 0.35);
  color: #fff;
}

/* 移动端菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ============================================
   Hero 轮播区
   ============================================ */
.hero-section {
  position: relative;
  width: 100%;
  height: 520px;
  margin-top: 64px;
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.hero-info-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  max-width: 480px;
}

.hero-info-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.hero-info-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.hero-info-card .btn-play {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-bounce);
}

.hero-info-card .btn-play:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 210, 106, 0.4);
  color: #fff;
}

.hero-dots {
  position: absolute;
  bottom: 20px;
  right: 40px;
  display: flex;
  gap: 8px;
}

.hero-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-dots span.active {
  width: 24px;
  border-radius: 4px;
  background: var(--color-primary);
}

/* ============================================
   追剧日历
   ============================================ */
.calendar-section {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 40px auto;
  max-width: 1280px;
}

.calendar-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.calendar-tab {
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-base);
}

.calendar-tab:hover,
.calendar-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.calendar-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-bounce);
  cursor: pointer;
}

.calendar-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.calendar-item img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.calendar-item-info {
  padding: 12px;
}

.calendar-item-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.calendar-item-info span {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ============================================
   热播排行榜（横向滑动）
   ============================================ */
.ranking-section {
  padding: 40px 0;
}

.ranking-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px 0 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.ranking-scroll::-webkit-scrollbar {
  height: 4px;
}

.ranking-scroll::-webkit-scrollbar-track {
  background: var(--color-bg-light);
  border-radius: 2px;
}

.ranking-scroll::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 2px;
}

.ranking-card {
  flex: 0 0 200px;
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-bounce);
}

.ranking-card:hover {
  transform: translateY(-6px) scale(1.03);
}

.ranking-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.ranking-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ranking-badge.top3 {
  background: linear-gradient(135deg, var(--color-secondary), #FF9F43);
}

.ranking-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: #fff;
}

.ranking-card-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.ranking-card-info span {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* ============================================
   弹幕悬浮预览
   ============================================ */
.danmaku-preview {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.ranking-card:hover .danmaku-preview,
.video-card:hover .danmaku-preview {
  opacity: 1;
}

.danmaku-item {
  position: absolute;
  white-space: nowrap;
  font-size: 0.7rem;
  color: #fff;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  animation: danmakuScroll 6s linear infinite;
}

.danmaku-item:nth-child(2) {
  top: 14px;
  animation-delay: -2s;
  animation-duration: 7s;
}

.danmaku-item:nth-child(3) {
  top: 28px;
  animation-delay: -4s;
  animation-duration: 5s;
}

/* ============================================
   猜你喜欢网格
   ============================================ */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.video-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-bounce);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.video-card-thumb {
  position: relative;
  overflow: hidden;
}

.video-card-thumb img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.video-card:hover .video-card-thumb img {
  transform: scale(1.05);
}

.video-card-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
}

.video-card-body {
  padding: 12px;
}

.video-card-body h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card-body .meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ============================================
   会员引导横幅
   ============================================ */
.vip-banner {
  background: linear-gradient(135deg, #00D26A, #00E676, #69F0AE);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 40px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.vip-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.vip-banner-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.vip-banner-content p {
  font-size: 0.95rem;
  opacity: 0.9;
}

.vip-banner .btn-vip-join {
  padding: 12px 32px;
  background: #fff;
  color: var(--color-primary);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-bounce);
  white-space: nowrap;
}

.vip-banner .btn-vip-join:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* ============================================
   多端下载横幅
   ============================================ */
.download-banner {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 40px auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.download-banner img {
  width: 200px;
  border-radius: var(--radius-md);
}

.download-banner-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-banner-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.download-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.download-btns a {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.download-btns a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  opacity: 0.8;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  padding: 4px 0;
  transition: color var(--transition-base);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ============================================
   面包屑
   ============================================ */
.breadcrumb {
  padding: 16px 0;
  margin-top: 64px;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-light);
  margin: 0 8px;
}

/* ============================================
   内页通用样式
   ============================================ */
.page-hero {
  width: 100%;
  height: 300px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  margin-top: 64px;
  position: relative;
}

.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
}

.page-hero-overlay h1 {
  font-size: 2rem;
  font-weight: 700;
}

.page-hero-overlay p {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-top: 8px;
}

.page-content {
  padding: 40px 0;
  min-height: 60vh;
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--color-text);
}

.page-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 12px;
}

.page-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ============================================
   详情页播放器外壳
   ============================================ */
.player-shell {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin: 24px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.player-shell .play-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-bounce);
}

.player-shell .play-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 0 32px rgba(0, 210, 106, 0.5);
}

.player-shell .play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 20px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}

.episode-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.episode-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.episode-btn:hover,
.episode-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.share-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ============================================
   搜索页
   ============================================ */
.search-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 20px;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.search-box input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition-base);
}

.search-box input:focus {
  border-color: var(--color-primary);
}

.search-box button {
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.search-box button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.search-results {
  margin-top: 24px;
}

.search-result-item {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  transition: all var(--transition-base);
}

.search-result-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   404 页面
   ============================================ */
.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.error-page h1 {
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.error-page p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin: 16px 0 32px;
}

.error-page .btn-home {
  padding: 12px 32px;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  transition: all var(--transition-bounce);
}

.error-page .btn-home:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 210, 106, 0.4);
  color: #fff;
}

/* ============================================
   合规页面
   ============================================ */
.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.legal-page h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-primary);
}

.legal-page h2 {
  font-size: 1.25rem;
  margin: 24px 0 12px;
}

.legal-page p, .legal-page li {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

/* ============================================
   FAQ 手风琴
   ============================================ */
.faq-list {
  margin: 24px 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-base);
}

.faq-question:hover {
  background: var(--color-bg-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item.open .faq-answer {
  padding: 0 20px 16px;
  max-height: 500px;
}

/* ============================================
   响应式断点
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero-section {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-md);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-section {
    height: 320px;
  }

  .hero-info-card {
    padding: 16px 20px;
  }

  .hero-info-card h2 {
    font-size: 1.2rem;
  }

  .vip-banner {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .download-banner {
    flex-direction: column;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .calendar-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .recommend-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .page-hero {
    height: 200px;
  }
}

@media (max-width: 480px) {
  .hero-section {
    height: 260px;
  }

  .hero-overlay {
    padding: 20px;
  }

  .hero-info-card {
    padding: 12px 16px;
  }

  .hero-info-card h2 {
    font-size: 1rem;
  }

  .container {
    padding: 0 16px;
  }

  .ranking-card {
    flex: 0 0 150px;
  }
}