:root {
  --bg: #f2f5f8;
  --panel: #ffffff;
  --line: #d9e1e8;
  --text: #17222d;
  --muted: #687887;
  --primary: #264d73;
  --primary-soft: #eef5fb;
  --accent: #d9752c;
  --shadow: 0 14px 34px rgba(23, 34, 45, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fb 0%, #eef2f6 100%);
  font: 16px/1.6 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

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

.site-header,
.page-shell,
.site-footer {
  width: min(1380px, calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  display: grid;
  grid-template-columns: 240px 1fr 300px;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo span {
  display: grid;
  place-items: center;
  width: 44px;
  aspect-ratio: 1;
  color: #fff;
  background: var(--primary);
  font-weight: 900;
}

.logo strong,
.hero-main h1,
.block-head h1,
.block-head h2,
.library-head h1,
.detail-info h1 {
  letter-spacing: 0;
}

.logo strong {
  font-size: 1.32rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.main-nav a,
.search-box input,
.shortcut-row a,
.filter,
select,
.tag-row a,
.episode-grid button {
  border: 1px solid var(--line);
  background: var(--panel);
}

.main-nav a {
  padding: 10px 14px;
  color: var(--muted);
  font-weight: 700;
}

.main-nav a:hover,
.main-nav a[aria-current="page"],
.filter.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.search-box input,
select {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  color: var(--text);
}

.page-shell {
  padding: 8px 0 56px;
}

.hero-grid,
.two-column,
.guide-grid,
.library-head,
.library-body,
.detail-stage {
  display: grid;
  gap: 18px;
}

.hero-grid {
  grid-template-columns: 1fr 280px;
}

.hero-main,
.hero-side,
.content-block,
.guide-grid article,
.side-index {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-main {
  display: grid;
  grid-template-columns: 330px 1fr;
  min-height: 420px;
}

.hero-main img {
  height: 100%;
  object-fit: cover;
}

.hero-main > div {
  display: grid;
  align-content: center;
  padding: 32px;
}

.hero-main span,
.block-head span,
.library-head span,
.detail-info span {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-main h1,
.detail-info h1 {
  margin: 10px 0 14px;
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  line-height: 1.05;
}

.hero-main p,
.block-head p,
.guide-grid p,
.site-footer p,
.site-footer a,
.card-copy small,
.card-copy em,
.side-index p,
.detail-copy p,
.original {
  color: var(--muted);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.hero-meta b {
  padding: 8px 12px;
  color: var(--primary);
  background: var(--primary-soft);
}

.hero-main a {
  width: max-content;
  padding: 12px 18px;
  color: #fff;
  background: var(--primary);
  font-weight: 800;
}

.hero-side {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.hero-side a {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 86px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fafcff;
}

.hero-side img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.shortcut-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.shortcut-row a {
  padding: 12px 14px;
  text-align: center;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease;
}

.shortcut-row a:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.content-block {
  padding: 20px;
}

.block-head {
  margin-bottom: 18px;
}

.block-head h1,
.block-head h2,
.library-head h1 {
  margin: 6px 0 8px;
  font-size: clamp(1.55rem, 2vw, 2.2rem);
}

.block-head.compact h2 {
  font-size: 1.4rem;
}

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

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

.poster-card {
  display: grid;
  gap: 10px;
}

.poster-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4.15;
  border: 1px solid var(--line);
  background: #dfe7ef;
}

.poster-frame img {
  height: 100%;
  object-fit: cover;
  transition: transform 200ms ease;
}

.badge,
.score,
.overlay {
  position: absolute;
  z-index: 2;
}

.badge,
.score {
  top: 10px;
  padding: 5px 8px;
  color: #fff;
  background: rgba(23, 34, 45, 0.78);
}

.badge {
  left: 10px;
}

.score {
  right: 10px;
  background: var(--accent);
}

.poster-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 44%, rgba(23, 34, 45, 0.76));
}

.overlay {
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: grid;
  gap: 2px;
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.poster-card:hover .overlay {
  opacity: 1;
  transform: translateY(0);
}

.card-copy {
  display: grid;
  gap: 4px;
}

.card-copy a {
  font-weight: 800;
}

.card-copy em {
  font-style: normal;
  font-size: 0.88rem;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

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

.list-row,
.rank-row {
  display: grid;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.list-row {
  grid-template-columns: 34px 72px 1fr auto;
}

.rank-row {
  grid-template-columns: 34px 1fr auto;
}

.list-row b,
.rank-row b,
.list-row em,
.rank-row em {
  color: var(--primary);
  font-style: normal;
  font-weight: 800;
}

.list-row img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.list-row span {
  display: grid;
}

.guide-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 18px;
}

.guide-grid article {
  padding: 20px;
}

.library-head {
  grid-template-columns: 0.9fr 1.1fr;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.toolbar,
.filter-row,
.select-row {
  display: grid;
  gap: 12px;
}

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

.filter {
  min-height: 42px;
  cursor: pointer;
  font-weight: 700;
}

.select-row {
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
}

.select-row label {
  display: grid;
  gap: 6px;
}

.library-body {
  grid-template-columns: 250px 1fr;
  margin-top: 18px;
}

.side-index {
  position: sticky;
  top: 20px;
  align-self: start;
  display: grid;
  gap: 12px;
  padding: 18px;
}

.side-index a {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fafcff;
  font-weight: 700;
}

.library-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.detail-stage {
  grid-template-columns: 320px 1fr;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.detail-poster img {
  aspect-ratio: 3 / 4.15;
  object-fit: cover;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.meta-grid div {
  padding: 12px;
  background: #fafcff;
  border: 1px solid var(--line);
}

.meta-grid dt {
  color: var(--muted);
}

.meta-grid dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-row a {
  padding: 8px 12px;
  font-weight: 700;
}

.episode-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.episode-grid button {
  min-height: 46px;
  cursor: pointer;
  color: var(--text);
}

.related-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 26px 0 42px;
}

.site-footer strong {
  display: block;
  margin-bottom: 8px;
}

.site-footer a {
  display: block;
  margin: 6px 0;
}

.copy {
  grid-column: 1 / -1;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1180px) {
  .site-header,
  .hero-grid,
  .two-column,
  .guide-grid,
  .library-head,
  .library-body,
  .detail-stage {
    grid-template-columns: 1fr;
  }

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

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

  .side-index {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header,
  .page-shell,
  .site-footer {
    width: min(100vw - 24px, 1380px);
  }

  .hero-main,
  .shortcut-row,
  .poster-grid,
  .small-grid,
  .guide-grid,
  .filter-row,
  .select-row,
  .meta-grid,
  .episode-grid,
  .related-grid,
  .site-footer {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 520px) {
  .hero-main,
  .shortcut-row,
  .poster-grid,
  .small-grid,
  .guide-grid,
  .filter-row,
  .select-row,
  .meta-grid,
  .episode-grid,
  .related-grid,
  .site-footer,
  .library-grid {
    grid-template-columns: 1fr;
  }
}