* {
  box-sizing: border-box;
}

:root {
  --orange: #f97316;
  --orange-dark: #ea580c;
  --red: #ef4444;
  --pink: #ec4899;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f9fafb;
  --dark: #111827;
  --dark-soft: #1f2937;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

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

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

button,
input,
select {
  font: inherit;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--orange), var(--red));
  box-shadow: 0 10px 22px rgba(249, 115, 22, 0.32);
}

.brand-text {
  font-size: 24px;
  line-height: 1;
  background: linear-gradient(90deg, var(--orange), var(--red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  font-weight: 650;
}

.desktop-nav a {
  color: #374151;
  transition: color 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--orange);
}

.nav-dropdown {
  position: relative;
  padding: 22px 0;
}

.dropdown-panel {
  position: absolute;
  top: 64px;
  left: 50%;
  width: 190px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(-50%, 10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-panel {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.dropdown-panel a {
  display: block;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 14px;
}

.dropdown-panel a:hover {
  background: #fff7ed;
}

.header-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-search input {
  width: 230px;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  padding: 10px 16px;
  outline: none;
  background: #fff;
}

.header-search input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.12);
}

.header-search button {
  border: 0;
  color: #fff;
  background: var(--orange);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}

.mobile-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.mobile-menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #374151;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav {
  display: none;
  padding: 12px 16px 18px;
  background: #fff;
  border-top: 1px solid var(--line);
}

.mobile-nav.open {
  display: grid;
  gap: 12px;
}

.mobile-nav a,
.mobile-logo {
  padding: 10px 4px;
  font-weight: 700;
  color: #374151;
}

.hero-slider {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--red), var(--pink));
}

.hero-track {
  position: relative;
  min-height: 660px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 46px;
  width: 100%;
  padding: 110px max(32px, calc((100vw - 1180px) / 2)) 90px;
  background-image:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.22), transparent 24%),
    linear-gradient(120deg, rgba(17, 24, 39, 0.88), rgba(127, 29, 29, 0.68), rgba(0, 0, 0, 0.52)),
    var(--hero-image);
  background-size: cover;
  background-position: center;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.02);
  transition: opacity 0.6s ease, transform 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.hero-content {
  max-width: 760px;
}

.hero-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  color: var(--orange);
}

.eyebrow.light,
.hero-kicker {
  color: #fed7aa;
}

.hero-content h1,
.page-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-content h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 4vw, 42px);
}

.hero-content p,
.page-hero p {
  max-width: 760px;
  margin: 0 0 24px;
  font-size: 19px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-tags,
.detail-tags,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags span,
.detail-tags span,
.tag-row span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
}

.hero-tags span,
.detail-tags span {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--red));
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.32);
}

.button.ghost {
  color: var(--orange);
  background: #fff;
}

.button.soft {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}

.hero-poster {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  transform: rotate(2deg);
}

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

.hero-controls {
  position: absolute;
  left: 50%;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-arrow,
.hero-dot {
  border: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.hero-arrow {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  font-size: 30px;
  line-height: 1;
}

.hero-dots {
  display: flex;
  gap: 9px;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  padding: 0;
  opacity: 0.7;
}

.hero-dot.active {
  width: 32px;
  background: #fff;
  opacity: 1;
}

.section {
  padding: 76px 0;
}

.white-section {
  background: #fff;
}

.gray-section {
  background: #f3f4f6;
}

.dark-section {
  color: #fff;
  background: linear-gradient(135deg, #111827, #1f2937, #111827);
}

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

.section-heading h2,
.dark-section h2,
.info-panel h2,
.side-card h2 {
  margin: 6px 0 0;
  font-size: clamp(26px, 3.5vw, 38px);
  line-height: 1.2;
}

.section-lead {
  color: #d1d5db;
  max-width: 520px;
  margin: 16px 0 26px;
}

.text-link {
  color: var(--orange);
  font-weight: 800;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.video-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  border: 1px solid #eef2f7;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.video-card:hover {
  transform: translateY(-7px);
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: var(--shadow);
}

.card-cover {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #111827, #374151);
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.video-card:hover .card-cover img {
  transform: scale(1.08);
}

.duration,
.rank-badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 800;
}

.duration {
  right: 10px;
  bottom: 10px;
  color: #fff;
  background: rgba(0, 0, 0, 0.72);
}

.rank-badge {
  left: 10px;
  top: 10px;
  color: #fff;
  background: var(--orange);
}

.play-hover {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--orange);
  border-radius: 999px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.82);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.video-card:hover .play-hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px;
}

.card-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.35;
  transition: color 0.2s ease;
}

.video-card:hover h3 {
  color: var(--orange);
}

.card-body p {
  flex: 1;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: #6b7280;
  font-size: 13px;
  margin-bottom: 10px;
}

.tag-row span {
  color: #9a3412;
  background: #fff7ed;
}

.split-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 46px;
  align-items: start;
}

.ranking-list {
  display: grid;
  gap: 12px;
}

.ranking-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease, transform 0.2s ease;
}

.ranking-row:hover {
  background: rgba(249, 115, 22, 0.28);
  transform: translateX(4px);
}

.ranking-row strong {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 10px;
  background: var(--orange);
}

.ranking-row em {
  color: #fed7aa;
  font-style: normal;
  font-size: 13px;
}

.category-grid,
.category-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.category-tile,
.category-overview-card,
.side-card,
.info-panel {
  border: 1px solid #e5e7eb;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.category-tile,
.category-overview-card {
  padding: 22px;
}

.category-title {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--orange);
  font-size: 22px;
  font-weight: 900;
}

.category-tile p,
.category-overview-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

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

.mini-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  min-height: 78px;
  background: #111827;
}

.mini-card img {
  width: 100%;
  height: 100%;
  min-height: 78px;
  object-fit: cover;
  opacity: 0.7;
  transition: transform 0.3s ease;
}

.mini-card:hover img {
  transform: scale(1.08);
}

.mini-card span {
  position: absolute;
  inset: auto 8px 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.55);
}

.page-main {
  padding-top: 68px;
}

.page-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background-image:
    linear-gradient(120deg, rgba(17, 24, 39, 0.9), rgba(127, 29, 29, 0.72)),
    var(--hero-image, linear-gradient(135deg, var(--orange), var(--red)));
  background-size: cover;
  background-position: center;
}

.compact-hero,
.ranking-hero,
.search-hero {
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.18), transparent 24%),
    linear-gradient(135deg, var(--orange), var(--red), var(--pink));
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.breadcrumb a:hover {
  color: #fed7aa;
}

.filter-bar {
  display: grid;
  grid-template-columns: 1fr 180px 180px 160px;
  gap: 12px;
  margin-bottom: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.filter-search,
.filter-select {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  padding: 12px 16px;
  outline: none;
  background: #fff;
}

.filter-search:focus,
.filter-select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.12);
}

.empty-state {
  display: none;
  margin-top: 10px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  border-radius: 18px;
  background: #f9fafb;
}

.empty-state.show {
  display: block;
}

.detail-hero {
  min-height: 520px;
}

.detail-hero-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 42px;
  align-items: center;
}

.detail-poster {
  width: 280px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: start;
}

.detail-content {
  min-width: 0;
}

.player-box {
  position: relative;
  overflow: hidden;
  width: 100%;
  border-radius: 26px;
  background: #000;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}

.player-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.player-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  border: 0;
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.62));
  cursor: pointer;
  transition: opacity 0.25s ease;
}

.play-circle {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), var(--red));
  box-shadow: 0 20px 46px rgba(249, 115, 22, 0.32);
  font-size: 32px;
  padding-left: 4px;
}

.player-box.playing .player-overlay {
  opacity: 0;
  pointer-events: none;
}

.info-panel {
  margin-top: 24px;
  padding: 26px;
}

.info-panel h2,
.side-card h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

.info-panel p {
  margin: 0;
  color: #374151;
  font-size: 17px;
}

.detail-sidebar {
  display: grid;
  gap: 20px;
  position: sticky;
  top: 92px;
}

.side-card {
  padding: 22px;
}

.side-card dl {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px 14px;
  margin: 0;
}

.side-card dt {
  color: #6b7280;
  font-weight: 700;
}

.side-card dd {
  margin: 0;
}

.side-card dd a {
  color: var(--orange);
  font-weight: 800;
}

.side-list {
  display: grid;
  gap: 10px;
}

.site-footer {
  color: #d1d5db;
  background: linear-gradient(135deg, #111827, #1f2937, #111827);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.8fr;
  gap: 34px;
  padding: 48px 0;
}

.footer-brand {
  color: #fff;
  font-size: 24px;
  margin-bottom: 12px;
}

.site-footer p {
  color: #9ca3af;
  margin: 10px 0 0;
}

.site-footer h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.footer-links a {
  color: #d1d5db;
}

.footer-links a:hover {
  color: #fed7aa;
}

.footer-bottom {
  padding: 18px 16px;
  text-align: center;
  color: #9ca3af;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 1024px) {
  .desktop-nav,
  .header-search {
    display: none;
  }

  .mobile-menu-button {
    display: block;
    margin-left: auto;
  }

  .hero-slide {
    grid-template-columns: 1fr;
    padding-top: 110px;
  }

  .hero-poster {
    display: none;
  }

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

  .split-layout,
  .detail-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .detail-sidebar {
    position: static;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .brand-text {
    font-size: 20px;
  }

  .hero-slider,
  .hero-track {
    min-height: 620px;
  }

  .hero-slide {
    padding: 104px 20px 88px;
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 54px 0;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .card-grid,
  .category-grid,
  .category-overview-grid,
  .mini-grid.wide {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .ranking-row {
    grid-template-columns: 38px 1fr;
  }

  .ranking-row em {
    grid-column: 2;
  }

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

  .detail-poster {
    width: 190px;
  }

  .side-card dl {
    grid-template-columns: 1fr;
  }
}