:root {
  --c-primary: #E8455A;
  --c-primary-dark: #C43A4C;
  --c-secondary: #FFB3C1;
  --c-cream: #FFF8F3;
  --c-ink: #2B2226;
  --c-gray: #F7F2EF;
  --c-green: #2E9E6B;
  --c-gold: #C9973A;
  --radius-sm: 8px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 12px rgba(43,34,38,.06);
  --shadow-md: 0 8px 24px rgba(43,34,38,.08);
  --shadow-lg: 0 12px 32px rgba(43,34,38,.12);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 88px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  color: var(--c-ink);
  background: var(--c-cream);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部公告条 */
.announce-bar {
  background: #FDECEF;
  color: var(--c-primary-dark);
  font-size: 13px;
  padding: 8px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid rgba(232,69,90,.1);
}
.announce-bar .download-mini {
  background: var(--c-primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  transition: transform .2s;
}
.announce-bar .download-mini:hover { transform: translateY(-1px); }

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,248,243,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(43,34,38,.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.brand img { height: 32px; }
.nav-links {
  display: flex;
  gap: 20px;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--c-primary);
  transition: width .3s;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--c-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex;
  background: #fff;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid #e5dbd5;
  padding: 2px 2px 2px 14px;
  align-items: center;
}
.search-box input {
  border: none; outline: none; font-size: 13px; width: 120px; background: transparent;
  font-family: var(--font-family);
}
.search-box button {
  background: linear-gradient(135deg, var(--c-primary), #F56B7B);
  border: none; color: #fff; padding: 6px 14px; border-radius: 20px;
  font-size: 13px; cursor: pointer; font-weight: 600; transition: transform .2s;
}
.search-box button:hover { transform: translateY(-2px); }
.btn-cast {
  background: #fff; border: 1px solid var(--c-primary); color: var(--c-primary);
  padding: 7px 14px; border-radius: 30px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-cast:hover { background: #FDECEF; }
.hamburger {
  display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--c-ink);
}
.mobile-menu {
  display: none; background: #fff; border-bottom: 1px solid #eee; padding: 10px 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 10px 0; border-bottom: 1px solid #f5f5f5; font-size: 15px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #E8455A 0%, #FF8A9B 100%);
  color: #fff;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%; background: rgba(255,255,255,.15); filter: blur(40px);
}
.hero::before { width: 300px; height: 300px; top: -50px; left: -50px; }
.hero::after { width: 400px; height: 400px; bottom: -100px; right: 10%; }
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 2;
}
.hero-content { flex: 1; max-width: 600px; }
.hero h1 {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero p.sub {
  font-size: 16px;
  opacity: .9;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-primary); color: #fff; padding: 12px 32px;
  border-radius: 30px; font-size: 16px; font-weight: 700; border: none; cursor: pointer;
  box-shadow: 0 4px 16px rgba(232,69,90,.4); transition: all .2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,69,90,.5); }
.btn-primary:active { transform: scale(.98); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: #fff; padding: 12px 32px;
  border: 2px solid #fff; border-radius: 30px; font-size: 16px; font-weight: 700; cursor: pointer;
  transition: all .2s;
}
.btn-secondary:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tag {
  background: rgba(255,255,255,.2); backdrop-filter: blur(4px);
  padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 500;
}
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px;
}
.stat-item { background: rgba(255,255,255,.15); backdrop-filter: blur(8px); padding: 16px; border-radius: var(--radius-md); text-align: center; }
.stat-num { font-size: 24px; font-weight: 800; line-height: 1.2; }
.stat-label { font-size: 12px; opacity: .8; margin-top: 4px; }

.hero-card {
  background: #fff; color: var(--c-ink); padding: 20px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 320px; flex-shrink: 0;
}
.hero-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--c-primary); }
.hero-card .card-img { width: 100%; height: 180px; border-radius: var(--radius-md); object-fit: cover; margin-bottom: 12px; }
.hero-card p { font-size: 13px; color: #666; margin-bottom: 12px; }
.hero-card .card-tag { display: inline-block; background: #FDECEF; color: var(--c-primary); padding: 2px 8px; border-radius: 4px; font-size: 12px; margin-right: 6px; }

/* 通用 Section */
.section { padding: var(--space-2xl) 0; }
.section-bg { background: #fff; }
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-header h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin-bottom: 12px; }
.section-header p { color: #666; font-size: 15px; }

/* 特色卡 */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.feature-card {
  background: #fff; padding: 30px 24px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); transition: transform .3s, box-shadow .3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 28px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: #666; line-height: 1.6; }

/* 内容矩阵 */
.content-card {
  background: #fff; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); transition: transform .3s;
}
.content-card:hover { transform: translateY(-4px); }
.content-card img { width: 100%; height: 240px; object-fit: cover; }
.content-body { padding: 20px; }
.content-body h3 { font-size: 18px; margin-bottom: 8px; }
.content-body p { font-size: 14px; color: #666; margin-bottom: 12px; }
.content-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.content-tags span { background: #F7F2EF; padding: 2px 8px; border-radius: 4px; font-size: 12px; color: #555; }
.content-link { color: var(--c-primary); font-weight: 600; font-size: 14px; }

/* 频道推荐 */
.channel-list { display: flex; flex-direction: column; gap: 16px; }
.channel-item {
  background: #fff; padding: 20px; border-radius: var(--radius-md);
  display: flex; align-items: center; gap: 20px; box-shadow: var(--shadow-sm);
  transition: transform .2s;
}
.channel-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.channel-label {
  background: var(--c-primary); color: #fff; padding: 4px 12px; border-radius: 20px;
  font-weight: 700; font-size: 14px; white-space: nowrap;
}
.channel-label.gold { background: var(--c-gold); }
.channel-label.green { background: var(--c-green); }
.channel-desc { flex: 1; font-size: 14px; color: #555; }
.channel-tags { display: flex; gap: 6px; }
.channel-tags span { font-size: 12px; color: #888; border: 1px solid #ddd; padding: 2px 8px; border-radius: 4px; }

/* 精选片单 */
.filter-bar { display: flex; justify-content: center; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
.filter-btn {
  background: #fff; border: 1px solid #ddd; padding: 6px 16px; border-radius: 20px;
  font-size: 14px; cursor: pointer; transition: all .2s; color: #555; font-family: var(--font-family);
}
.filter-btn.active, .filter-btn:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

.drama-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.drama-card {
  background: #fff; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); transition: transform .3s;
  display: flex; flex-direction: column;
}
.drama-card:hover { transform: translateY(-4px); }
.drama-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.drama-info { padding: 14px; flex: 1; display: flex; flex-direction: column; }
.drama-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drama-tags { display: flex; gap: 4px; margin-bottom: 8px; }
.drama-tags span { font-size: 11px; background: #FDECEF; color: var(--c-primary); padding: 1px 6px; border-radius: 4px; }
.drama-tags span.gold { background: #FDF6E7; color: var(--c-gold); }
.drama-desc { font-size: 12px; color: #777; margin-bottom: 8px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.drama-meta { display: flex; justify-content: space-between; font-size: 12px; color: #999; }

/* 独播 & 原创双栏 */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.split-col { background: #fff; padding: 30px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.split-col h3 { font-size: 22px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.split-col h3 span { font-size: 14px; background: var(--c-primary); color: #fff; padding: 2px 8px; border-radius: 4px; font-weight: 500; }
.reason-list { margin-bottom: 24px; }
.reason-list li { position: relative; padding-left: 20px; margin-bottom: 10px; font-size: 14px; color: #555; }
.reason-list li::before { content: '✓'; position: absolute; left: 0; color: var(--c-primary); font-weight: 700; }
.poster-mini-list { display: flex; gap: 12px; }
.poster-mini { flex: 1; border-radius: var(--radius-sm); overflow: hidden; }
.poster-mini img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }

/* 日历与榜单 */
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-bottom: 30px; }
.day-card {
  background: #fff; padding: 12px 8px; border-radius: var(--radius-sm); text-align: center;
  box-shadow: var(--shadow-sm); font-size: 12px;
}
.day-card.today { background: var(--c-primary); color: #fff; }
.day-card .day { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.day-card .sub { opacity: .7; font-size: 11px; }

.rank-list { background: #fff; border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-md); }
.rank-item {
  display: flex; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid #f0ebe7;
}
.rank-item:last-child { border-bottom: none; }
.rank-num {
  font-size: 24px; font-weight: 900; width: 40px; text-align: center; font-style: italic;
  color: #ccc;
}
.rank-item:nth-child(1) .rank-num { color: var(--c-primary); }
.rank-item:nth-child(2) .rank-num { color: var(--c-gold); }
.rank-item:nth-child(3) .rank-num { color: #E89E3A; }
.rank-info { flex: 1; }
.rank-title { font-weight: 700; font-size: 15px; margin-bottom: 2px; }
.rank-tags { font-size: 12px; color: #888; }

/* 专题 */
.topic-section { background: #FFF0F2; }
.topic-layout { display: flex; gap: 40px; align-items: center; }
.topic-img { width: 300px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); flex-shrink: 0; }
.topic-img img { width: 100%; object-fit: cover; }
.topic-content { flex: 1; }
.topic-content h2 { font-size: 28px; font-weight: 800; margin-bottom: 16px; }
.topic-content p { font-size: 15px; color: #555; margin-bottom: 20px; line-height: 1.8; }
.topic-reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.reason-item { background: rgba(255,255,255,.6); padding: 16px; border-radius: var(--radius-sm); font-size: 14px; }

/* App下载 & 投屏 */
.download-section { background: #fff; }
.download-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.download-info h2 { font-size: 28px; margin-bottom: 16px; font-weight: 800; }
.download-info p { color: #666; margin-bottom: 24px; }
.steps-list { display: flex; flex-direction: column; gap: 16px; }
.step-item { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  background: var(--c-primary); color: #fff; width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.step-text { font-size: 15px; font-weight: 500; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; padding: 20px; font-size: 16px; font-weight: 700;
  background: none; border: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-family); color: var(--c-ink); transition: background .2s;
}
.faq-q:hover { background: #fdfcfb; }
.faq-icon { font-size: 20px; transition: transform .3s; color: var(--c-primary); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-a { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; font-size: 14px; color: #666; }
.faq-item.active .faq-a { padding: 0 20px 20px; max-height: 200px; }

/* 页脚 */
footer {
  background: #2B2226; color: #aaa; padding: 60px 0 30px; font-size: 13px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 600; }
.footer-col p { line-height: 1.8; margin-bottom: 12px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span { background: rgba(255,255,255,.1); padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px;
  display: flex; flex-direction: column; gap: 8px; align-items: center; text-align: center;
}
.footer-bottom a { color: #aaa; text-decoration: underline; }
.footer-bottom a:hover { color: #fff; }
.update-time { font-size: 12px; color: #777; }
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer; font-size: 18px; box-shadow: var(--shadow-lg); opacity: 0;
  transition: opacity .3s, transform .3s; pointer-events: none; z-index: 99;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-4px); }

/* 响应式断点 */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .hero-inner { flex-direction: column; align-items: flex-start; }
  .hero-card { width: 100%; max-width: 400px; }
  .grid-3, .grid-4, .drama-grid { grid-template-columns: repeat(2, 1fr); }
  .split-layout { grid-template-columns: 1fr; }
  .topic-layout { flex-direction: column; text-align: center; }
  .topic-img { width: 240px; }
  .topic-reasons { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-actions { display: none; }
}
@media (max-width: 768px) {
  .section { padding: var(--space-xl) 0; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { gap: 8px; }
  .drama-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .calendar-grid { grid-template-columns: repeat(4, 1fr); }
  .download-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .btn-primary, .btn-secondary { width: 100%; }
  .hero-btns { flex-direction: column; }
}
@media (max-width: 480px) {
  .drama-grid { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-card .card-img { height: 220px; }
  .rank-list { padding: 16px; }
  .topic-img { width: 100%; max-width: 280px; }
  .topic-reasons { grid-template-columns: 1fr; }
}

/* 可访问性 */
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}