/* arctic-mint · 极地薄荷 · 可商用 VOD */
:root {
  --mint: #3db892;
  --mint-deep: #2a9d7a;
  --mint-light: #6fd4b0;
  --mint-pale: #e6f7f0;
  --ice: #e3f2f9;
  --ice-deep: #c5e4f3;
  --ice-white: #f6fbfd;
  --sky: #5eb8d9;
  --sky-deep: #3a9ec4;
  --panel: #ffffff;
  --ink: #2e3a45;
  --ink-soft: #4a5568;
  --muted: #64748b;
  --line: #c8e6dc;
  --line-strong: #9dd9c4;
  --shadow: 0 14px 40px rgba(46, 58, 69, .08);
  --shadow-hover: 0 18px 44px rgba(61, 184, 146, .16);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 22px;
  --pink: var(--mint);
  --blue: var(--sky);
  --green: var(--mint-light);
  --orange: #f59e0b;
  --soft: var(--ice-white);
  --pop-red: var(--mint);
  --pop-red-deep: var(--mint-deep);
  --pop-blue: var(--sky);
  --pop-blue-deep: var(--sky-deep);
  --pop-yellow: var(--mint-light);
  --pop-yellow-soft: var(--mint-pale);
  --pop-yellow-bg: var(--ice-white);
}

html { scroll-behavior: smooth; }

body.nav-open {
  overflow: hidden;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Segoe UI Variable", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(900px 480px at 8% 0%, rgba(197, 228, 243, .65), transparent 55%),
    radial-gradient(800px 420px at 92% 8%, rgba(111, 212, 176, .18), transparent 50%),
    linear-gradient(180deg, var(--ice-white) 0%, #eef8fc 45%, #f6fbfd 100%);
}

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

a {
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

/* —— Header · 薄荷顶栏 —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(90deg, var(--mint-deep) 0%, var(--mint) 42%, var(--sky) 100%);
  border-bottom: 3px solid var(--mint-light);
  box-shadow: 0 6px 24px rgba(42, 157, 122, .22);
}

.nav-wrap {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 68px;
  padding: 0 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--ice-white);
  color: var(--mint-deep);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .14);
  font-weight: 900;
}

.brand-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.main-nav a {
  color: rgba(255, 255, 255, .92);
  font-weight: 650;
  padding: 8px 12px;
  border-radius: 8px;
}

.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .15);
}

.nav-search {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--mint-light);
  border-radius: 10px;
  overflow: hidden;
}

.nav-search input {
  width: 200px;
  padding: 10px 14px;
  outline: none;
  background: transparent;
  color: var(--ink-soft);
}

.nav-search button {
  padding: 10px 16px;
  background: var(--mint-light);
  color: var(--mint-deep);
  font-weight: 750;
}

.nav-search button:hover { background: #8ee4c4; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .2);
  border: 2px solid rgba(255, 255, 255, .4);
  color: #fff;
  font-size: 20px;
}

.page-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 22px 60px;
}

/* —— 品牌首屏 —— */
.seo-brand-block,
.brand-hero {
  position: relative;
  overflow: hidden;
  margin: 0 0 28px;
  padding: 48px 28px 42px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff 0%, var(--mint-pale) 100%);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.seo-brand-block::before,
.brand-hero::before {
  content: "";
  position: absolute;
  left: -5%;
  top: -30%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 184, 146, .14), transparent 68%);
  pointer-events: none;
}

.seo-brand-block::after,
.brand-hero::after {
  content: "";
  position: absolute;
  right: -5%;
  bottom: -30%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 184, 217, .12), transparent 68%);
  pointer-events: none;
}

.seo-brand-block h1,
.brand-hero h1 {
  position: relative;
  margin: 0 auto 14px;
  max-width: 920px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--ink);
}

.seo-brand-block p,
.brand-hero p {
  position: relative;
  margin: 0 auto;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
}

/* —— Hero carousel —— */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  margin-bottom: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff 0%, var(--mint-pale) 50%, var(--ice) 100%);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.hero-glow {
  position: absolute;
  inset: auto -8% -42% auto;
  width: 380px;
  height: 380px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(61, 184, 146, .15), rgba(94, 184, 217, .08), transparent 70%);
  opacity: .85;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 32px;
  align-items: center;
  padding: 44px 48px 72px;
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
  transition: opacity .5s ease, transform .5s ease;
}

.hero-slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.hero-copy { position: relative; z-index: 2; }

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.eyebrow span,
.eyebrow.solo {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 6px 12px;
  background: #fff;
  color: var(--mint-deep);
  font-weight: 750;
  border: 1.5px solid var(--line-strong);
  font-size: 13px;
}

.hero-copy h1,
.hero-copy h2,
.compact-hero h1 {
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.045em;
  margin: 0 0 16px;
  color: var(--ink);
}

.hero-copy p,
.compact-hero p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 20px;
}

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

.hero-tags span,
.tag-row span,
.tag-cloud a {
  display: inline-flex;
  padding: 6px 11px;
  border-radius: 8px;
  background: #fff;
  color: var(--sky-deep);
  font-weight: 650;
  font-size: 13px;
  border: 1px solid #a8d8ea;
}

.hero-actions,
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 12px 22px;
  font-weight: 800;
}

.primary-btn {
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  color: #fff;
  box-shadow: 0 8px 22px rgba(61, 184, 146, .28);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.ghost-btn {
  background: #fff;
  color: var(--sky-deep);
  border: 2px solid var(--sky);
}

.ghost-btn:hover {
  background: var(--ice);
  color: var(--sky);
}

.hero-visual {
  position: relative;
  z-index: 2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(46, 58, 69, .14);
  border: 3px solid var(--mint-light);
}

.hero-visual:hover { transform: scale(1.015); }

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(135deg, var(--mint-pale), var(--ice));
}

.hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px;
  color: #fff;
  background: linear-gradient(0deg, rgba(46, 58, 69, .78), transparent);
}

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

.hero-caption em {
  display: block;
  font-style: normal;
  color: var(--mint-light);
  margin-top: 4px;
}

.hero-control {
  position: absolute;
  left: 48px;
  right: 48px;
  bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 3;
}

.hero-control button {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #fff;
  color: var(--mint-deep);
  font-size: 22px;
  font-weight: 800;
  border: 2px solid var(--line-strong);
}

.hero-dots { display: flex; gap: 8px; }

.hero-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  background: rgba(255, 255, 255, .7);
  border: none;
  border-radius: 4px;
}

.hero-dots button.active {
  width: 28px;
  background: var(--mint);
}

/* —— Quick search —— */
.quick-search {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 40px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.quick-search h2 {
  font-size: 24px;
  font-weight: 850;
  color: var(--ink);
}

.quick-search form {
  display: flex;
  border: 2px solid var(--sky);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.quick-search input {
  flex: 1;
  padding: 14px 18px;
  outline: none;
}

.quick-search button {
  padding: 0 26px;
  background: var(--sky);
  color: #fff;
  font-weight: 800;
}

.quick-search button:hover { background: var(--sky-deep); }

/* —— Sections & grids —— */
.section-block { margin-bottom: 48px; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.section-head > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--ink);
}

.section-head a {
  color: var(--mint-deep);
  font-weight: 750;
}

.section-head a:hover { color: var(--mint); }

.section-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--mint-light), #8ee4c4);
  color: var(--mint-deep);
  font-weight: 900;
  font-size: 14px;
}

.section-icon.hot-icon {
  background: linear-gradient(145deg, var(--mint), var(--mint-deep));
  color: #fff;
}

/* —— 热播横滑 —— */
.hot-scroll-block .scroll-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(200px, 240px);
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.hot-scroll-block .movie-card {
  scroll-snap-align: start;
}

.scroll-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 340px;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 16px;
}

.scroll-row::-webkit-scrollbar,
.hot-scroll-block .scroll-row::-webkit-scrollbar {
  height: 6px;
}

.scroll-row::-webkit-scrollbar-track,
.hot-scroll-block .scroll-row::-webkit-scrollbar-track {
  background: var(--mint-pale);
  border-radius: 4px;
}

.scroll-row::-webkit-scrollbar-thumb,
.hot-scroll-block .scroll-row::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--mint), var(--sky));
  border-radius: 4px;
}

.movie-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.movie-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 0 10px 28px rgba(46, 58, 69, .06);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

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

.poster-link { display: block; }

.poster-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(145deg, var(--mint-pale), var(--ice));
  aspect-ratio: 3 / 4;
}

.poster-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.movie-card:hover .poster-frame img { transform: scale(1.05); }

.image-off { opacity: 0; }

.rank-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 2;
  min-width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--mint), var(--mint-deep));
  color: #fff;
  font-weight: 900;
  font-size: 13px;
  box-shadow: 0 6px 16px rgba(61, 184, 146, .3);
}

.movie-card-body { padding: 14px 14px 16px; }

.movie-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-weight: 650;
  font-size: 12px;
  margin-bottom: 8px;
}

.movie-card h3 {
  font-size: 16px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.movie-card h3 a:hover { color: var(--mint-deep); }

.movie-card p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  gap: 10px;
}

.card-actions a {
  display: inline-flex;
  border-radius: 8px;
  padding: 8px 13px;
  background: var(--mint);
  color: #fff;
  font-weight: 750;
  font-size: 12px;
}

.card-actions a:hover { background: var(--mint-deep); }

.card-actions span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.card-compact {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  min-height: 158px;
}

.card-compact .poster-frame {
  height: 100%;
  aspect-ratio: auto;
}

.card-compact .movie-card-body { padding: 14px; }
.card-compact h3 { font-size: 15px; }

.soft-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--mint-pale), var(--ice));
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.category-tile,
.overview-card {
  display: block;
  border-radius: var(--radius);
  padding: 22px;
  background: #fff;
  border: 2px solid var(--line);
  box-shadow: 0 10px 28px rgba(46, 58, 69, .05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.category-tile:nth-child(odd),
.overview-card:nth-child(odd) {
  border-left: 4px solid var(--mint);
}

.category-tile:nth-child(even),
.overview-card:nth-child(even) {
  border-left: 4px solid var(--sky);
}

.category-tile:hover,
.overview-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--mint-light);
}

.category-tile strong,
.overview-main strong {
  display: block;
  font-size: 18px;
  font-weight: 850;
  margin-bottom: 8px;
  color: var(--ink);
}

.category-tile span,
.overview-main span {
  display: block;
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}

.rank-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #fff, var(--mint-pale));
  border: 2px solid var(--line-strong);
}

.rank-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff, var(--mint-pale) 55%, var(--ice));
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.compact-hero { padding: 40px 36px; text-align: center; }

.compact-hero h1 {
  font-size: clamp(28px, 3.8vw, 42px);
  margin-left: auto;
  margin-right: auto;
}

.compact-hero p {
  margin-left: auto;
  margin-right: auto;
}

.filter-panel {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 16px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}

.filter-panel input,
.filter-panel select {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 12px 15px;
  outline: none;
  color: var(--ink-soft);
  font-weight: 650;
}

.filter-panel input:focus,
.filter-panel select:focus {
  border-color: var(--sky);
}

.empty-state {
  padding: 36px;
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
  border: 2px dashed var(--line-strong);
}

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

.overview-card { display: grid; gap: 16px; }

.overview-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.overview-links a {
  padding: 7px 11px;
  border-radius: 8px;
  background: var(--mint-pale);
  color: var(--mint-deep);
  font-weight: 700;
  border: 1px solid var(--line-strong);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 20px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.breadcrumb a { color: var(--sky-deep); }

/* —— Detail / player —— */
.detail-hero {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff, var(--mint-pale) 55%, var(--ice));
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.detail-poster {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(46, 58, 69, .12);
  background: linear-gradient(145deg, var(--mint-pale), var(--ice));
  border: 3px solid var(--mint-light);
}

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

.detail-info h1 {
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.04em;
  margin-bottom: 14px;
  color: var(--ink);
}

.detail-info p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

.player-section,
.content-card {
  border-radius: var(--radius-lg);
  background: #fff;
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}

.player-section {
  padding: 24px;
  margin-bottom: 28px;
}

.player-section h2,
.content-card h2 {
  font-size: 22px;
  font-weight: 850;
  color: var(--ink);
  margin-bottom: 16px;
}

.player-box {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  border: 3px solid var(--mint);
}

.player-box video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink);
}

.video-error[hidden] { display: none !important; }

.video-error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(46, 58, 69, .72);
  font-weight: 800;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  margin-bottom: 40px;
}

.content-card { padding: 24px; }

.prose-card p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 16px;
  margin-bottom: 20px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.side-meta ul { display: grid; gap: 12px; }

.side-meta li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.side-meta span {
  color: var(--muted);
  font-weight: 700;
}

.side-meta strong {
  text-align: right;
  color: var(--ink);
}

.side-link {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  border-radius: 10px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  color: #fff;
  font-weight: 800;
}

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

/* —— Footer —— */
.site-footer {
  margin-top: 24px;
  background: #fff;
  border-top: 3px solid var(--mint-light);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.footer-inner a { color: var(--mint-deep); }
.footer-inner a:hover { color: var(--mint); }

.footer-about {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 22px 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  font-weight: 600;
}

/* —— Responsive —— */
@media (max-width: 1100px) {
  .movie-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-slide { grid-template-columns: 1fr; padding: 36px 36px 70px; }
  .hero-visual { max-width: 560px; }
  .hero-section { min-height: 720px; }
  .detail-hero { grid-template-columns: 240px 1fr; }
  .filter-panel { grid-template-columns: 1fr 1fr; }
  .rank-list { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .nav-wrap { min-height: 62px; gap: 10px; }

  .main-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 70px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border-radius: 12px;
    background: #fff;
    border: 2px solid var(--line-strong);
    box-shadow: 0 18px 40px rgba(46, 58, 69, .12);
  }

  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 12px 14px;
    border-radius: 8px;
    color: var(--ink-soft);
  }
  .main-nav a:hover { background: var(--mint-pale); color: var(--mint-deep); }
  .nav-search { margin-left: auto; }
  .nav-search input { display: none; }
  .nav-search button { padding: 10px 14px; }
  .nav-toggle { display: block; }

  .page-main { padding: 20px 14px 48px; }

  .seo-brand-block,
  .brand-hero {
    padding: 32px 16px 28px;
    border-radius: 18px;
  }

  .seo-brand-block h1,
  .brand-hero h1 { font-size: 24px; }

  .hero-section {
    min-height: 680px;
    border-radius: 18px;
  }

  .hero-slide { padding: 28px 24px 68px; gap: 20px; }
  .hero-control { left: 22px; right: 22px; }
  .quick-search { grid-template-columns: 1fr; }
  .movie-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .category-grid,
  .category-grid.large { grid-template-columns: 1fr; }
  .scroll-row { grid-auto-columns: 290px; }
  .hot-scroll-block .scroll-row { grid-auto-columns: minmax(160px, 180px); }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-poster { max-width: 280px; margin: 0 auto; }
  .detail-grid { grid-template-columns: 1fr; }
  .filter-panel { grid-template-columns: 1fr; }
  .card-compact { grid-template-columns: 100px minmax(0, 1fr); }
  .compact-hero { padding: 28px 20px; text-align: left; }
}

@media (max-width: 540px) {
  .brand-text { font-size: 18px; }
  .nav-wrap { padding: 0 12px; }
  .hero-section { min-height: 640px; }
  .hero-slide { padding: 20px 18px 64px; }
  .hero-copy h1,
  .hero-copy h2 { font-size: 30px; }
  .hero-copy p,
  .detail-info p { font-size: 15px; }
  .hero-caption strong { font-size: 18px; }
  .movie-grid,
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-compact { grid-template-columns: 96px minmax(0, 1fr); }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .detail-hero,
  .player-section,
  .content-card {
    padding: 18px;
    border-radius: 16px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-about { padding: 0 12px 14px; }
  .seo-brand-block h1,
  .brand-hero h1 { font-size: 22px; }
}

/* —— 底部飞行动效 · ABABSEO（无链接·非胶囊） —— */
.site-plane {
  position: relative;
  width: 100%;
  height: 56px;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  background: linear-gradient(180deg, #fff 0%, var(--ice) 100%);
  border-top: 2px solid var(--line-strong);
}

.site-plane__trail {
  position: absolute;
  bottom: 26px;
  left: 0;
  width: 72px;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, transparent, var(--mint), var(--sky), transparent);
  animation: site-plane-trail 11s cubic-bezier(.42, .08, .58, .92) infinite;
}

.site-plane__unit {
  position: absolute;
  bottom: 10px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: site-plane-fly 11s cubic-bezier(.42, .08, .58, .92) infinite;
}

.site-plane__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--sky);
  filter: drop-shadow(0 2px 6px rgba(94, 184, 217, .35));
}

.site-plane__label {
  display: inline-flex;
  align-items: baseline;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1;
  text-transform: uppercase;
}

.abab-a {
  color: var(--mint);
  text-shadow: 0 1px 2px rgba(61, 184, 146, .25);
}

.abab-b {
  color: var(--sky);
  text-shadow: 0 1px 2px rgba(94, 184, 217, .25);
}

.abab-seo {
  margin-left: 3px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  background: linear-gradient(90deg, var(--mint), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes site-plane-fly {
  0% {
    transform: translateX(-120px) translateY(3px) rotate(-10deg);
    opacity: 0;
  }
  7% { opacity: 1; }
  50% {
    transform: translateX(calc(50vw - 48px)) translateY(-16px) rotate(2deg);
  }
  93% { opacity: .95; }
  100% {
    transform: translateX(calc(100vw + 80px)) translateY(-2px) rotate(12deg);
    opacity: 0;
  }
}

@keyframes site-plane-trail {
  0%, 5% {
    opacity: 0;
    transform: translateX(-120px) scaleX(.5);
  }
  12%, 86% { opacity: .85; }
  100% {
    opacity: 0;
    transform: translateX(calc(100vw + 80px)) scaleX(.7);
  }
}

@media (max-width: 540px) {
  .site-plane { height: 48px; }
  .site-plane__icon { width: 24px; height: 24px; }
  .site-plane__label { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-plane__unit,
  .site-plane__trail {
    animation: none;
    left: 50%;
    transform: translateX(-50%);
    opacity: .6;
  }
}