:root {
  --fog-50: #f8f9fa;
  --fog-100: #f1f3f5;
  --fog-200: #e9ecef;
  --fog-300: #dee2e6;
  --fog-500: #adb5bd;
  --fog-600: #868e96;
  --fog-700: #495057;
  --fog-800: #343a40;
  --fog-900: #212529;
  --steel-50: #f0f4f8;
  --steel-100: #d9e2ec;
  --steel-500: #627d98;
  --steel-600: #486581;
  --steel-700: #334e68;
  --steel-800: #243b53;
  --accent: #fb923c;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 28px rgba(33, 37, 41, 0.12);
  --shadow-lg: 0 24px 60px rgba(33, 37, 41, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--fog-50);
  color: var(--fog-900);
  font-size: 16px;
  line-height: 1.625;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(100% - 2rem, 88rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--fog-200);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: 1.25rem;
}

.brand,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fog-900);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.brand svg {
  width: 2rem;
  height: 2rem;
  fill: var(--steel-600);
  transition: fill 0.2s ease;
}

.brand:hover svg {
  fill: var(--steel-700);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.desktop-nav > a,
.nav-dropdown > button {
  border: 0;
  background: none;
  color: var(--fog-700);
  cursor: pointer;
  font-weight: 500;
  padding: 1.6rem 0;
  transition: color 0.2s ease;
}

.desktop-nav > a:hover,
.desktop-nav > a.is-active,
.nav-dropdown > button:hover {
  color: var(--steel-600);
}

.nav-dropdown {
  position: relative;
}

.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  display: grid;
  width: 12rem;
  padding: 0.55rem;
  background: var(--white);
  border: 1px solid var(--fog-200);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

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

.dropdown-panel a,
.mobile-panel nav a {
  display: block;
  padding: 0.65rem 0.8rem;
  border-radius: 0.55rem;
  color: var(--fog-700);
  transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-panel a:hover,
.mobile-panel nav a:hover,
.mobile-panel nav a.is-active {
  background: var(--fog-100);
  color: var(--steel-600);
}

.header-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.header-search input,
.mobile-panel input,
.filter-panel input,
.search-page-form input {
  width: 100%;
  border: 1px solid var(--fog-300);
  border-radius: 0.75rem;
  outline: none;
  padding: 0.7rem 0.95rem;
  color: var(--fog-900);
  background: var(--white);
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.header-search input {
  width: min(18vw, 17rem);
}

.header-search input:focus,
.mobile-panel input:focus,
.filter-panel input:focus,
.search-page-form input:focus {
  border-color: var(--steel-500);
  box-shadow: 0 0 0 4px rgba(72, 101, 129, 0.12);
}

.header-search button,
.mobile-panel form button {
  border: 0;
  border-radius: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--steel-600);
  cursor: pointer;
}

.mobile-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--fog-100);
  cursor: pointer;
  place-items: center;
}

.mobile-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 3px auto;
  background: var(--fog-700);
}

.mobile-panel {
  display: none;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--fog-200);
  animation: slideDown 0.28s ease;
}

.mobile-panel.is-open {
  display: block;
}

.mobile-panel form {
  display: flex;
  gap: 0.5rem;
  margin: 1rem auto;
  max-width: 88rem;
}

.mobile-panel nav {
  display: grid;
  gap: 0.15rem;
  max-width: 88rem;
  margin: 0 auto;
}

.hero-carousel {
  position: relative;
  min-height: clamp(34rem, 78vh, 48rem);
  overflow: hidden;
  background: var(--fog-900);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.75s ease;
}

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

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  opacity: 0.42;
  transform: scale(1.03);
}

.hero-backdrop,
.detail-hero-layer {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(33, 37, 41, 0.98), rgba(33, 37, 41, 0.6) 48%, rgba(33, 37, 41, 0.22));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 26rem);
  align-items: end;
  gap: 3rem;
  min-height: clamp(34rem, 78vh, 48rem);
  padding-block: 6rem 5rem;
}

.hero-copy {
  max-width: 54rem;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-copy h1,
.page-hero h1,
.detail-copy h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-copy p,
.detail-copy p,
.page-hero p {
  max-width: 52rem;
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-tags,
.tag-row,
.mini-meta,
.card-meta,
.page-actions,
.hero-actions,
.side-actions,
.filter-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-tags span,
.tag,
.detail-tags span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.34rem 0.8rem;
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
  font-size: 0.88rem;
  backdrop-filter: blur(8px);
}

.tag {
  color: var(--steel-700);
  background: var(--steel-50);
}

.hero-actions,
.page-actions {
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  padding: 0.72rem 1.45rem;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border 0.2s ease;
}

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

.btn-primary {
  background: var(--steel-600);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--steel-700);
}

.btn-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.btn-muted {
  color: var(--steel-700);
  background: var(--steel-50);
}

.hero-poster {
  display: block;
  overflow: hidden;
  border-radius: 1.25rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(1rem);
}

.hero-poster img {
  width: 100%;
  height: clamp(22rem, 48vh, 34rem);
  object-fit: cover;
}

.hero-controls {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 1.8rem;
  display: flex;
  gap: 0.65rem;
  transform: translateX(-50%);
}

.hero-controls button {
  width: 2.5rem;
  height: 0.28rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.2s ease, width 0.2s ease;
}

.hero-controls button.is-active {
  width: 3.5rem;
  background: var(--white);
}

.section {
  padding: clamp(3.25rem, 7vw, 5.5rem) 0;
}

.section-white {
  background: var(--white);
}

.section-soft {
  background: linear-gradient(180deg, var(--fog-50), var(--white));
}

.section-dark {
  background: var(--fog-900);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.section-heading.centered {
  justify-content: center;
  text-align: center;
}

.section-heading h2,
.ranking-panel h2,
.detail-content h2 {
  margin: 0 0 0.35rem;
  color: var(--fog-900);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading p {
  max-width: 44rem;
  margin: 0;
  color: var(--fog-600);
}

.section-heading.light h2,
.section-heading.light p {
  color: var(--white);
}

.text-link {
  color: var(--steel-600);
  font-weight: 600;
}

.text-link:hover {
  color: var(--steel-800);
}

.text-link.light {
  color: var(--white);
}

.movie-grid {
  display: grid;
  gap: 1.5rem;
}

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

.movie-grid.quad {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.movie-card {
  display: block;
  overflow: hidden;
  border-radius: 0.8rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.movie-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.movie-cover {
  position: relative;
  margin: 0;
  height: 14.5rem;
  overflow: hidden;
  background: var(--fog-200);
}

.movie-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.38s ease;
}

.movie-card:hover .movie-cover img,
.rank-row:hover img {
  transform: scale(1.055);
}

.movie-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.55), transparent);
  transition: opacity 0.3s ease;
}

.movie-card:hover .movie-cover::after {
  opacity: 1;
}

.movie-card-body {
  padding: 1rem;
}

.card-meta {
  justify-content: space-between;
  margin-bottom: 0.65rem;
  color: var(--fog-500);
  font-size: 0.78rem;
}

.card-meta span:first-child {
  border-radius: 0.35rem;
  padding: 0.2rem 0.5rem;
  color: var(--steel-600);
  background: var(--steel-50);
  font-weight: 600;
}

.movie-card h3,
.rank-row h3 {
  margin: 0 0 0.5rem;
  color: var(--fog-900);
  font-size: 1.02rem;
  line-height: 1.35;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color 0.2s ease;
}

.movie-card:hover h3,
.rank-row:hover h3 {
  color: var(--steel-600);
}

.movie-card p,
.rank-row p {
  display: -webkit-box;
  overflow: hidden;
  min-height: 2.8rem;
  margin: 0;
  color: var(--fog-600);
  font-size: 0.9rem;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.movie-card-large .large-cover {
  height: 24rem;
}

.movie-card-large figcaption {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  gap: 0.45rem;
  padding: 1.25rem;
  color: var(--white);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.78), transparent);
}

.movie-card-large figcaption span {
  width: max-content;
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.78rem;
}

.movie-card-large figcaption strong {
  font-size: 1.55rem;
  line-height: 1.2;
}

.stack-list {
  display: grid;
  gap: 1rem;
}

.movie-card-horizontal {
  display: grid;
  grid-template-columns: 13rem 1fr;
  align-items: stretch;
}

.horizontal-cover {
  height: 100%;
  min-height: 11rem;
}

.mini-meta {
  margin-top: 0.8rem;
  color: var(--fog-500);
  font-size: 0.82rem;
}

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

.category-grid.expanded {
  gap: 1.35rem;
}

.category-tile {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 9rem;
  overflow: hidden;
  border-radius: 0.9rem;
  padding: 1.3rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--steel-600), var(--steel-800));
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.category-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 0%, rgba(251, 146, 60, 0.38), transparent 36%);
}

.category-tile strong,
.category-tile span {
  position: relative;
}

.category-tile strong {
  margin-bottom: 0.5rem;
  font-size: 1.22rem;
}

.category-tile span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.category-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, var(--fog-900), var(--steel-800));
}

.page-hero.compact .container {
  padding: clamp(4rem, 10vw, 6.5rem) 0;
}

.page-hero h1 {
  color: var(--white);
}

.filter-panel {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem;
  border: 1px solid var(--fog-200);
  border-radius: 1rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.filter-chips button {
  border: 0;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  color: var(--fog-700);
  background: var(--fog-100);
  cursor: pointer;
}

.filter-chips button:hover,
.filter-chips button.is-active {
  color: var(--white);
  background: var(--steel-600);
}

.ranking-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  align-items: start;
}

.ranking-panel {
  padding: 1.1rem;
  border: 1px solid var(--fog-200);
  border-radius: 1rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.rank-list {
  display: grid;
  gap: 0.85rem;
}

.rank-row {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: 0.85rem;
  align-items: center;
  overflow: hidden;
  border-radius: 0.75rem;
  padding: 0.55rem;
  transition: background 0.2s ease;
}

.rank-row:hover {
  background: var(--fog-50);
}

.rank-row figure {
  height: 7rem;
  margin: 0;
  overflow: hidden;
  border-radius: 0.6rem;
  background: var(--fog-200);
}

.rank-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.rank-row span {
  color: var(--fog-500);
  font-size: 0.78rem;
}

.search-page-form {
  display: flex;
  gap: 0.75rem;
  width: min(100%, 42rem);
  margin-top: 1.8rem;
}

.detail-hero {
  position: relative;
  overflow: hidden;
  background: var(--fog-900);
}

.detail-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  opacity: 0.34;
  filter: blur(2px);
  transform: scale(1.04);
}

.detail-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(12rem, 20rem) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.detail-poster {
  overflow: hidden;
  margin: 0;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
}

.detail-poster img {
  width: 100%;
  height: clamp(21rem, 44vw, 32rem);
  object-fit: cover;
}

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.crumbs a:hover {
  color: var(--white);
}

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

.player-section {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  background: var(--fog-900);
}

.player-card {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  background: #000;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
}

.movie-player {
  width: 100%;
  height: 100%;
  background: #000;
  outline: none;
}

.player-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border: 0;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.48));
  cursor: pointer;
  transition: opacity 0.24s ease, visibility 0.24s ease;
}

.player-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.play-button {
  position: relative;
  display: block;
  width: clamp(4.2rem, 9vw, 6.5rem);
  height: clamp(4.2rem, 9vw, 6.5rem);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
}

.play-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 53%;
  width: 0;
  height: 0;
  border-top: 1rem solid transparent;
  border-bottom: 1rem solid transparent;
  border-left: 1.45rem solid var(--steel-700);
  transform: translate(-35%, -50%);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.detail-content article,
.detail-side {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 1rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.detail-content p {
  color: var(--fog-700);
  font-size: 1.03rem;
}

.detail-side dl {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.detail-side dl div {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--fog-200);
}

.detail-side dt {
  color: var(--fog-500);
}

.detail-side dd {
  margin: 0;
  color: var(--fog-800);
  font-weight: 600;
}

.detail-side dd a {
  color: var(--steel-600);
}

.side-actions {
  margin-top: 1.5rem;
}

.side-actions a {
  flex: 1;
  text-align: center;
  border-radius: 0.7rem;
  padding: 0.65rem 1rem;
  background: var(--steel-50);
  color: var(--steel-700);
  font-weight: 600;
}

.site-footer {
  background: var(--fog-900);
  color: var(--fog-300);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr;
  gap: 2rem;
  padding: 3.5rem 0;
}

.footer-logo {
  color: var(--white);
}

.site-footer p {
  max-width: 42rem;
  color: var(--fog-500);
}

.site-footer nav {
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding: 1.15rem;
  border-top: 1px solid var(--fog-800);
  text-align: center;
  color: var(--fog-500);
  font-size: 0.9rem;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .movie-grid.quad {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-grid,
  .ranking-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-search {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

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

  .hero-poster {
    display: none;
  }

  .movie-grid.trio,
  .movie-grid.quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 700px) {
  .container {
    width: min(100% - 1.2rem, 88rem);
  }

  .header-inner {
    min-height: 4rem;
  }

  .hero-carousel,
  .hero-content {
    min-height: 36rem;
  }

  .hero-copy h1,
  .page-hero h1,
  .detail-copy h1 {
    font-size: clamp(2.2rem, 14vw, 3.5rem);
  }

  .hero-copy p,
  .detail-copy p,
  .page-hero p {
    font-size: 1rem;
  }

  .hero-actions,
  .page-actions,
  .search-page-form {
    flex-direction: column;
    align-items: stretch;
  }

  .section-heading {
    display: grid;
    gap: 1rem;
  }

  .movie-grid.trio,
  .movie-grid.quad,
  .category-grid,
  .ranking-layout {
    grid-template-columns: 1fr;
  }

  .movie-card-horizontal {
    grid-template-columns: 1fr;
  }

  .horizontal-cover {
    min-height: 14rem;
  }

  .detail-poster {
    max-width: 16rem;
  }

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