:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --panel: #1e293b;
  --panel-2: rgba(30, 41, 59, 0.78);
  --line: rgba(148, 163, 184, 0.18);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --soft: #94a3b8;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --green: #22c55e;
  --radius: 20px;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% -8%, rgba(59, 130, 246, 0.28), transparent 34%),
    radial-gradient(circle at 88% 4%, rgba(6, 182, 212, 0.18), transparent 32%),
    linear-gradient(180deg, #020617 0%, #0f172a 34%, #111827 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

img,
video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #ffffff;
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.28);
}

.brand-text {
  font-size: 22px;
  color: #ffffff;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  color: var(--muted);
}

.main-nav a,
.dropdown-toggle,
.mobile-panel a,
.dropdown-menu a {
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.main-nav a:hover,
.dropdown-toggle:hover,
.mobile-panel a:hover,
.dropdown-menu a:hover {
  color: #ffffff;
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.72);
  color: var(--muted);
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(100px, 1fr));
  gap: 6px;
  width: 280px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.96);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  padding: 9px 11px;
  border-radius: 10px;
  color: var(--muted);
}

.dropdown-menu a:hover {
  background: rgba(59, 130, 246, 0.18);
}

.header-search {
  display: flex;
  align-items: center;
  min-width: 280px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(30, 41, 59, 0.78);
}

.header-search input {
  width: 100%;
  border: 0;
  outline: 0;
  padding: 10px 14px;
  color: #ffffff;
  background: transparent;
}

.header-search button {
  border: 0;
  padding: 10px 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  cursor: pointer;
}

.mobile-toggle,
.mobile-panel {
  display: none;
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 6, 23, 0.92), rgba(15, 23, 42, 0.52), rgba(15, 23, 42, 0.92)),
    radial-gradient(circle at 32% 36%, rgba(59, 130, 246, 0.32), transparent 34%);
  z-index: 1;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.04);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 420px;
  align-items: center;
  gap: 54px;
  padding: 112px 0 92px;
}

.hero-copy {
  max-width: 720px;
}

.hero-kicker,
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 13px;
  border: 1px solid rgba(96, 165, 250, 0.32);
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(59, 130, 246, 0.14);
}

.hero h1,
.page-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.hero p,
.page-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(30, 41, 59, 0.78);
  box-shadow: 0 10px 28px rgba(2, 6, 23, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(2, 6, 23, 0.32);
}

.btn-primary {
  border: 0;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.5);
}

.hero-poster {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 28px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.5);
  box-shadow: var(--shadow);
}

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

.hero-poster-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px;
  background: linear-gradient(180deg, transparent, rgba(2, 6, 23, 0.95));
}

.hero-poster-info strong {
  display: block;
  font-size: 22px;
}

.hero-tabs {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 4;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-tab {
  width: 44px;
  height: 5px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
}

.hero-tab.is-active {
  background: #ffffff;
}

.quick-search {
  position: relative;
  z-index: 3;
  margin-top: -54px;
}

.quick-search-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.quick-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  outline: 0;
  padding: 14px 16px;
  color: #ffffff;
  background: rgba(30, 41, 59, 0.82);
}

.section-block {
  padding: 72px 0 10px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head h2,
.category-card h2,
.info-panel h2,
.detail-copy h2,
.rank-list h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
}

.section-head p,
.category-card p,
.info-panel p,
.rank-list p {
  margin: 0;
  color: var(--soft);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.video-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(30, 41, 59, 0.72);
  box-shadow: 0 16px 44px rgba(2, 6, 23, 0.22);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(96, 165, 250, 0.55);
  background: rgba(30, 41, 59, 0.92);
}

.cover {
  position: relative;
  display: block;
  overflow: hidden;
  background:
    radial-gradient(circle at 35% 25%, rgba(59, 130, 246, 0.35), transparent 38%),
    linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.98));
}

.cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.video-card:hover .cover img {
  transform: scale(1.06);
}

.cover-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(2, 6, 23, 0.88));
}

.play-dot {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.35);
}

.rank-badge {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 3;
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  font-weight: 800;
}

.card-body {
  padding: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: #93c5fd;
  font-size: 13px;
}

.card-body h2 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.35;
}

.card-body p {
  display: -webkit-box;
  min-height: 54px;
  margin: 0 0 14px;
  overflow: hidden;
  color: var(--muted);
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list span {
  padding: 4px 8px;
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(59, 130, 246, 0.14);
  font-size: 12px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.category-card,
.info-panel,
.detail-copy,
.rank-list,
.search-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(30, 41, 59, 0.72);
  box-shadow: 0 18px 56px rgba(2, 6, 23, 0.22);
}

.category-card {
  padding: 26px;
}

.category-card .category-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.category-count {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-weight: 700;
}

.mini-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mini-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  background: rgba(15, 23, 42, 0.54);
}

.mini-list a:hover {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.18);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 54px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.28), transparent 34%),
    radial-gradient(circle at 78% 0%, rgba(6, 182, 212, 0.18), transparent 38%);
}

.page-actions a {
  min-width: 120px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px 180px;
  gap: 12px;
  margin-bottom: 26px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.72);
}

.toolbar input,
.toolbar select,
.search-panel input,
.search-panel select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: 0;
  padding: 12px 14px;
  color: #ffffff;
  background: rgba(30, 41, 59, 0.78);
}

.detail-hero {
  padding: 46px 0 70px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 30px;
}

.player-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #020617;
  box-shadow: var(--shadow);
}

.player-box {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 40% 35%, rgba(59, 130, 246, 0.32), transparent 35%),
    #020617;
}

.player-box video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000000;
}

.player-start {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 26px;
  text-align: center;
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.3), rgba(2, 6, 23, 0.85));
}

.player-start button {
  border: 0;
  border-radius: 999px;
  padding: 14px 28px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 44px rgba(59, 130, 246, 0.34);
}

.player-title {
  padding: 18px 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.detail-copy {
  padding: 28px;
  margin-top: 26px;
}

.detail-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.1;
}

.detail-copy .lead {
  color: #dbeafe;
  font-size: 18px;
}

.detail-copy p {
  color: var(--muted);
}

.info-panel {
  padding: 22px;
}

.poster-large {
  overflow: hidden;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.8);
}

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

.info-list {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.info-list div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.info-list strong {
  color: #ffffff;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.compact-card .card-body p {
  min-height: 0;
  -webkit-line-clamp: 1;
}

.rank-list {
  padding: 24px;
}

.rank-row {
  display: grid;
  grid-template-columns: 56px 84px minmax(0, 1fr) 120px;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.rank-row:last-child {
  border-bottom: 0;
}

.rank-row img {
  width: 84px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 12px;
}

.rank-row h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.rank-row p {
  margin: 0;
  color: var(--soft);
}

.rank-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.18);
  color: #bfdbfe;
  font-weight: 800;
}

.search-panel {
  padding: 18px;
  margin-bottom: 26px;
}

.search-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 160px auto;
  gap: 12px;
}

.empty-note {
  display: none;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(30, 41, 59, 0.72);
}

.site-footer {
  margin-top: 78px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.44);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 28px;
}

.site-footer p,
.site-footer a {
  color: var(--soft);
}

.site-footer a {
  display: block;
  margin: 8px 0;
}

.site-footer h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.footer-brand {
  margin-bottom: 12px;
}

@media (max-width: 1080px) {
  .header-search,
  .main-nav {
    display: none;
  }

  .dropdown {
    margin-left: auto;
  }

  .mobile-toggle {
    display: inline-flex;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px 12px;
    color: #ffffff;
    background: rgba(30, 41, 59, 0.78);
  }

  .mobile-panel.is-open {
    display: grid;
    gap: 8px;
    padding: 0 16px 16px;
    border-top: 1px solid var(--line);
    background: rgba(15, 23, 42, 0.96);
  }

  .mobile-panel a {
    padding: 12px;
    border-radius: 12px;
    color: var(--muted);
    background: rgba(30, 41, 59, 0.42);
  }

  .hero-content,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-poster {
    max-width: 420px;
  }

  .video-grid,
  .related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 22px, 1180px);
  }

  .brand-text {
    font-size: 18px;
  }

  .dropdown {
    display: none;
  }

  .hero {
    min-height: 640px;
  }

  .hero-content {
    padding: 82px 0 86px;
    gap: 28px;
  }

  .quick-search-box,
  .toolbar,
  .search-form-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .category-card .category-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .video-grid,
  .category-grid,
  .related-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .rank-row {
    grid-template-columns: 42px 66px minmax(0, 1fr);
  }

  .rank-row img {
    width: 66px;
  }

  .rank-row .heat {
    display: none;
  }
}