:root {
  --bg: #08111f;
  --bg2: #0e1729;
  --panel: rgba(13, 20, 35, 0.82);
  --panel-strong: rgba(16, 26, 46, 0.96);
  --text: #ecf3ff;
  --muted: #9eb1ce;
  --line: rgba(148, 163, 184, 0.16);
  --brand: #7c9dff;
  --brand-2: #68d7ff;
  --accent: #ffcf5a;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, PingFang SC, Hiragino Sans GB, Microsoft YaHei, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(124,157,255,0.18), transparent 34%),
    radial-gradient(circle at 20% 20%, rgba(104,215,255,0.12), transparent 30%),
    linear-gradient(180deg, #060b14 0%, var(--bg) 40%, #050814 100%);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.page-shell { width: min(1460px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(22px);
  background: rgba(5, 10, 18, 0.62);
  border-bottom: 1px solid rgba(148,163,184,0.12);
}
.topbar-inner {
  width: min(1460px, calc(100% - 32px)); margin: 0 auto;
  display: flex; align-items: center; gap: 18px; padding: 14px 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: 0.04em;
}
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 10px 30px rgba(100, 160, 255, 0.35);
  display: grid; place-items: center; color: white;
}
.brand-text { font-size: 1.05rem; }
.nav-links { display: flex; gap: 12px; flex-wrap: wrap; }
.nav-links a {
  color: var(--muted);
  padding: 10px 14px; border-radius: 999px; border: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text); background: rgba(124,157,255,0.12); border-color: rgba(124,157,255,0.24);
}
.search-box {
  margin-left: auto; display: flex; align-items: center; gap: 10px;
  background: rgba(9, 14, 27, 0.72); border: 1px solid rgba(148,163,184,0.12);
  border-radius: 999px; padding: 10px 12px; min-width: 280px;
}
.search-box input { flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); }
.search-btn, .btn {
  border: 0; cursor: pointer; border-radius: 999px; color: #08111f; font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 16px 36px rgba(100, 160, 255, 0.24);
}
.search-btn { padding: 10px 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; }
.btn.secondary { background: rgba(255,255,255,0.08); color: var(--text); border: 1px solid rgba(148,163,184,0.16); box-shadow: none; }
.hero {
  padding: 28px 0 18px;
}
.hero-shell {
  position: relative; overflow: hidden;
  border: 1px solid rgba(148,163,184,0.14);
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(16,26,46,0.95), rgba(7,11,21,0.96));
  box-shadow: var(--shadow);
}
.hero-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%;
  transition: transform .55s ease;
}
.hero-slide {
  min-height: 520px; display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 28px; padding: 34px; align-items: stretch; position: relative;
}
.hero-slide::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(6,10,18,0.08), rgba(6,10,18,0.72));
  pointer-events: none;
}
.hero-copy, .hero-preview { position: relative; z-index: 1; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.kicker {
  display: inline-flex; gap: 8px; align-items: center; width: fit-content;
  color: #dfe9ff; background: rgba(124,157,255,0.14); border: 1px solid rgba(124,157,255,0.24);
  border-radius: 999px; padding: 8px 14px; font-size: .92rem;
}
.hero h1, .page-title { margin: 0; font-size: clamp(2rem, 4vw, 4.2rem); line-height: 1.05; }
.hero p, .page-subtitle, .muted { color: var(--muted); line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.tag-row, .chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.tag, .chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(148,163,184,0.14); color: var(--text); font-size: .9rem;
}
.preview-card {
  height: 100%; display: grid; grid-template-rows: 1fr auto;
  gap: 16px; padding: 18px; border-radius: 28px; overflow: hidden;
  background: rgba(8,13,24,0.5); border: 1px solid rgba(148,163,184,0.14);
  backdrop-filter: blur(16px);
}
.preview-poster {
  min-height: 100%; border-radius: 22px; overflow: hidden; position: relative;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  box-shadow: inset 0 -90px 120px rgba(0,0,0,0.35);
}
.preview-poster::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(4, 8, 14, 0.82));
}
.preview-meta h3 { margin: 0 0 6px; font-size: 1.2rem; }
.preview-meta p { margin: 0; color: var(--muted); }
.hero-nav {
  position: absolute; inset-inline: 18px; bottom: 18px; z-index: 5;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.hero-dots { display: flex; gap: 8px; }
.hero-dot {
  width: 10px; height: 10px; border: 0; border-radius: 99px; background: rgba(255,255,255,0.25); cursor: pointer;
}
.hero-dot.active { width: 28px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.hero-arrows { display: flex; gap: 10px; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(148,163,184,0.18);
  background: rgba(4,8,16,0.55); color: var(--text); cursor: pointer;
}
.section { padding: 18px 0 8px; }
.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 16px;
}
.section-head h2 { margin: 0; font-size: 1.45rem; }
.section-head p { margin: 0; color: var(--muted); }
.grid {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px;
}
.card {
  position: relative; overflow: hidden; border-radius: 22px;
  background: var(--panel); border: 1px solid rgba(148,163,184,0.14); box-shadow: var(--shadow);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(124,157,255,0.32); box-shadow: 0 24px 50px rgba(0,0,0,0.46); }
.poster {
  aspect-ratio: 2 / 3; background-size: cover; background-position: center; background-repeat: no-repeat;
  position: relative; display: block;
}
.poster::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.75));
}
.poster-badge {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  font-size: .78rem; padding: 6px 10px; border-radius: 999px;
  background: rgba(10, 15, 24, 0.74); border: 1px solid rgba(255,255,255,0.08);
}
.card-body { padding: 14px 14px 16px; }
.card-title { margin: 0 0 8px; font-size: 1rem; line-height: 1.35; }
.card-meta { color: var(--muted); font-size: .9rem; display: flex; gap: 10px; flex-wrap: wrap; }
.card-desc { margin: 10px 0 0; color: var(--muted); font-size: .92rem; line-height: 1.65; }
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.channel-card {
  padding: 22px; min-height: 168px; border-radius: 24px; background:
    radial-gradient(circle at top right, rgba(124,157,255,0.18), transparent 32%),
    rgba(12, 19, 34, 0.9); border: 1px solid rgba(148,163,184,0.14);
}
.channel-card h3 { margin: 0 0 10px; }
.channel-card p { margin: 0 0 18px; color: var(--muted); line-height: 1.7; }
.channel-card .count { color: #d8e7ff; font-weight: 700; }
.list-wrap {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px;
}
.ranking-list, .side-list { display: grid; gap: 12px; }
.rank-item, .mini-item {
  display: grid; grid-template-columns: 44px 82px 1fr; gap: 12px; align-items: center;
  padding: 12px; border-radius: 18px; background: rgba(255,255,255,0.04); border: 1px solid rgba(148,163,184,0.12);
}
.rank-no {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(124,157,255,0.22), rgba(104,215,255,0.16));
  font-weight: 800;
}
.mini-poster {
  width: 82px; aspect-ratio: 2 / 3; border-radius: 14px; background-size: cover; background-position: center;
}
.rank-item h4, .mini-item h4 { margin: 0 0 4px; }
.rank-item p, .mini-item p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.5; }
.toolbar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  padding: 14px; border-radius: 22px; border: 1px solid rgba(148,163,184,0.14);
  background: rgba(10,16,28,0.72); margin-bottom: 18px;
}
.toolbar input {
  flex: 1; min-width: 240px; border: 0; outline: 0; background: rgba(255,255,255,0.04);
  color: var(--text); padding: 14px 16px; border-radius: 999px;
}
.breadcrumb { color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: #d7e6ff; }
.detail-hero {
  display: grid; grid-template-columns: 320px 1fr; gap: 24px;
  padding: 24px; border-radius: 30px; background: var(--panel-strong);
  border: 1px solid rgba(148,163,184,0.14); box-shadow: var(--shadow);
}
.detail-cover {
  aspect-ratio: 2 / 3; border-radius: 24px; overflow: hidden; background-size: cover; background-position: center;
  box-shadow: inset 0 -110px 140px rgba(0,0,0,0.35), 0 22px 40px rgba(0,0,0,0.35);
}
.detail-info h1 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.3rem); }
.detail-stats { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); margin: 14px 0 18px; }
.detail-stats span { padding: 7px 12px; background: rgba(255,255,255,0.05); border-radius: 999px; border: 1px solid rgba(148,163,184,0.12); }
.player-box {
  margin-top: 18px; border-radius: 26px; overflow: hidden; border: 1px solid rgba(148,163,184,0.14); background: #030712;
  position: relative;
}
.player-frame { position: relative; aspect-ratio: 16 / 9; background: linear-gradient(135deg, rgba(124,157,255,0.12), rgba(104,215,255,0.08)); }
.player-frame video { width: 100%; height: 100%; display: block; background: #000; }
.player-overlay {
  position: absolute; inset: 0; display: grid; place-items: center; cursor: pointer; z-index: 3;
  background: linear-gradient(180deg, rgba(1,3,8,0.08), rgba(1,3,8,0.38));
}
.play-btn {
  width: 88px; height: 88px; border-radius: 50%; border: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #06101e;
  box-shadow: 0 18px 40px rgba(100,160,255,0.32); font-size: 1.15rem; font-weight: 800;
}
.detail-section {
  margin-top: 18px; padding: 22px; border-radius: 26px; border: 1px solid rgba(148,163,184,0.14);
  background: rgba(10,16,28,0.76);
}
.detail-section h2 { margin: 0 0 12px; font-size: 1.32rem; }
.detail-section p { margin: 0; color: var(--muted); line-height: 1.86; }
.related-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.footer {
  padding: 28px 0 40px; color: var(--muted); font-size: .95rem;
}
.footer-inner {
  padding: 18px 0 0; border-top: 1px solid rgba(148,163,184,0.12);
}
.mobile-toggle { display: none; }
@media (max-width: 1180px) {
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .related-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hero-slide { grid-template-columns: 1fr; }
  .hero-slide::before { background: linear-gradient(180deg, rgba(6,10,18,0.02), rgba(6,10,18,0.82)); }
  .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .list-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .topbar-inner { flex-wrap: wrap; }
  .search-box { order: 3; width: 100%; min-width: 0; margin-left: 0; }
  .grid, .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-hero { grid-template-columns: 1fr; }
  .hero-slide { padding: 20px; min-height: auto; }
  .hero h1, .page-title { font-size: clamp(1.9rem, 8vw, 3rem); }
}
@media (max-width: 640px) {
  .page-shell, .topbar-inner { width: calc(100% - 20px); }
  .nav-links { display: none; width: 100%; }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: inline-flex; }
  .grid, .related-grid, .channel-grid { grid-template-columns: 1fr; }
  .hero-nav { position: static; padding: 0 20px 20px; }
  .hero-shell { border-radius: 24px; }
  .rank-item, .mini-item { grid-template-columns: 40px 70px 1fr; }
  .mini-poster { width: 70px; }
}