:root {
  --brand: #8F3D68;
  --brand-soft: #C98AAE;
  --ink: #2C252A;
  --muted: #766A71;
  --deep: #211820;
  --paper: #F7F2F5;
  --paper-2: #EEE5EA;
  --accent: #D85D86;
  --white: #fffafc;
  --line: rgba(77, 53, 67, .14);
  --shadow: 0 18px 50px rgba(62, 34, 50, .10);
  --radius: 22px;
  --shell: min(1180px, calc(100vw - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.75; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
button, input { font: inherit; }
button { cursor: pointer; }
.shell { width: var(--shell); margin-inline: auto; }
.section-gap { margin-top: 76px; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 999; background: var(--deep); color: white; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.eyebrow { margin: 0 0 10px; color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(16px); }
.site-header__inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 180px; }
.brand img { width: 46px; height: 46px; object-fit: contain; border-radius: 12px; }
.brand__text { display: grid; line-height: 1.2; }
.brand__text strong { font-size: 1.14rem; letter-spacing: .06em; }
.brand__text small { margin-top: 5px; color: var(--muted); font-size: .72rem; }
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.primary-nav a { padding: 9px 12px; border-radius: 999px; color: var(--muted); font-size: .92rem; font-weight: 650; }
.primary-nav a:hover, .primary-nav a.is-active { background: var(--paper-2); color: var(--brand); }
.primary-nav .search-trigger { border: 1px solid var(--line); background: rgba(255,255,255,.48); }
.menu-toggle { display: none; margin-left: auto; border: 1px solid var(--line); border-radius: 999px; background: white; padding: 9px 13px; color: var(--ink); }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 46px; align-items: center; padding-top: 58px; }
.hero__copy h1 { margin: 0; max-width: 760px; font-size: clamp(2.5rem, 5vw, 5.4rem); line-height: 1.04; letter-spacing: -.045em; }
.hero__lead { max-width: 740px; margin: 25px 0 0; color: var(--muted); font-size: 1.08rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border-radius: 999px; border: 1px solid transparent; font-weight: 760; }
.button--primary { background: var(--accent); color: white; box-shadow: 0 8px 22px rgba(216,93,134,.24); }
.button--primary:hover { color: white; transform: translateY(-1px); }
.button--ghost { border-color: var(--line); background: rgba(255,255,255,.55); }
.button--light { background: var(--white); color: var(--deep); }
.hero__facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 34px 0 0; }
.hero__facts div { border-top: 1px solid var(--line); padding-top: 14px; }
.hero__facts dt { color: var(--muted); font-size: .74rem; }
.hero__facts dd { margin: 4px 0 0; font-weight: 800; }
.hero__visual { margin: 0; padding: 12px; border-radius: 30px; background: linear-gradient(150deg, #2a1b25, #5f2d4a); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.hero__visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 22px; }
.hero__visual figcaption { padding: 14px 8px 2px; color: #e5cfda; font-size: .82rem; }
.section-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: clamp(1.75rem, 3vw, 3rem); line-height: 1.14; letter-spacing: -.025em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); }
.section-heading--wide { align-items: start; }
.editorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.editorial-grid--lead { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.content-card { min-height: 100%; display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.52); }
.content-card:hover { background: rgba(255,255,255,.8); box-shadow: 0 12px 34px rgba(68,45,58,.08); }
.content-card__meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .75rem; }
.content-card h3 { margin: 16px 0 10px; font-size: 1.18rem; line-height: 1.35; }
.content-card p { margin: 0 0 18px; color: var(--muted); font-size: .92rem; }
.content-card .text-link { margin-top: auto; }
.content-card--lead { grid-column: span 2; min-height: 260px; padding: 30px; background: var(--deep); color: white; }
.content-card--lead p, .content-card--lead .content-card__meta { color: #cabac4; }
.content-card--lead .text-link { color: #f0cadb; }
.content-card--wide { grid-column: span 2; }
.content-card--mini { min-height: 230px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 0 0 18px; list-style: none; }
.tag-list li { border-radius: 999px; background: var(--paper-2); padding: 4px 9px; color: var(--muted); font-size: .72rem; }
.content-card--lead .tag-list li { background: rgba(255,255,255,.1); color: #e9d4df; }
.text-link { font-size: .86rem; font-weight: 800; color: var(--brand); }
.version-band { padding: 72px 0; background: var(--deep); color: white; }
.version-band__grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 60px; align-items: start; }
.version-band__intro { position: sticky; top: 110px; }
.version-band__intro .eyebrow { color: #dca5c2; }
.version-band__intro h2 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 1.08; }
.version-band__intro p:not(.eyebrow) { color: #c8b8c1; }
.version-list { border-top: 1px solid rgba(255,255,255,.15); }
.version-row { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.version-row strong { display: block; font-size: 1.08rem; }
.version-row small { display: block; margin-top: 5px; color: #bfaeb8; }
.version-row b { color: #efbfd4; font-size: .76rem; white-space: nowrap; }
.split-feature { display: grid; grid-template-columns: .92fr 1.08fr; gap: 52px; align-items: center; }
.split-feature figure { margin: 0; padding: 14px; border-radius: 28px; background: var(--paper-2); }
.split-feature figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 20px; }
.split-feature h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.12; }
.split-feature > div > p:not(.eyebrow) { color: var(--muted); }
.mini-links { display: grid; gap: 8px; margin: 26px 0; }
.mini-links a { display: grid; grid-template-columns: minmax(150px,.6fr) 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.mini-links span { color: var(--muted); font-size: .84rem; }
.act-teaser { display: grid; grid-template-columns: .72fr 1.28fr; gap: 36px; padding: 34px; border-radius: 30px; background: var(--paper-2); }
.act-teaser__heading h2 { margin: 0; font-size: 2.2rem; line-height: 1.14; }
.act-teaser__heading p:not(.eyebrow) { color: var(--muted); }
.act-teaser__items { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.quick-index { padding-bottom: 84px; }
.quick-index__grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.quick-index__grid a { min-height: 130px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.35); }
.quick-index__grid a:hover { background: var(--white); }
.quick-index__grid span { display: block; font-weight: 850; }
.quick-index__grid small { display: block; margin-top: 8px; color: var(--muted); }
.page-intro { padding-top: 54px; max-width: 1000px; }
.page-intro h1 { margin: 0; font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1.05; letter-spacing: -.04em; }
.page-intro > p:last-child, .page-intro .shell > p:last-child { max-width: 780px; color: var(--muted); font-size: 1.05rem; }
.page-intro--dark { margin-top: 0; padding: 58px 0 70px; background: var(--deep); color: white; max-width: none; }
.page-intro--dark .breadcrumb a, .page-intro--dark .breadcrumb span { color: #ccb8c3; }
.page-intro--dark .eyebrow { color: #d6a4bc; }
.page-intro--dark .shell > p:last-child { color: #c7b6bf; }
.breadcrumb { margin-bottom: 22px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; font-size: .78rem; color: var(--muted); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; opacity: .5; }
.browse-layout { display: grid; grid-template-columns: 190px 1fr; gap: 36px; align-items: start; padding-bottom: 90px; }
.topic-rail { position: sticky; top: 108px; display: grid; gap: 6px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.5); }
.topic-rail p { margin: 0 0 6px; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .1em; }
.topic-rail a { padding: 8px 10px; border-radius: 10px; font-size: .86rem; }
.topic-rail a:hover { background: var(--paper-2); }
.browse-stream { min-width: 0; }
.browse-cluster { scroll-margin-top: 110px; padding-bottom: 68px; }
.cluster-heading { display: grid; grid-template-columns: 54px 1fr; gap: 16px; align-items: start; margin-bottom: 24px; }
.cluster-heading > span { color: var(--brand-soft); font-size: 1.8rem; font-weight: 900; line-height: 1; }
.cluster-heading h2 { margin: 0; font-size: 2rem; }
.cluster-heading p { margin: 7px 0 0; color: var(--muted); }
.watch-overview { display: grid; grid-template-columns: 1fr .9fr; gap: 48px; align-items: center; }
.edition-guide { padding: 34px; border-radius: 26px; background: var(--paper-2); }
.edition-guide h2 { margin-top: 0; font-size: 2rem; }
.edition-guide dl { margin: 0; display: grid; gap: 18px; }
.edition-guide dl div { padding-top: 18px; border-top: 1px solid var(--line); }
.edition-guide dt { font-weight: 900; }
.edition-guide dd { margin: 5px 0 0; color: var(--muted); }
.watch-overview figure { margin: 0; }
.watch-overview figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 28px; }
.version-catalog { padding-bottom: 90px; }
.version-catalog__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.edition-card { display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 24px; border-radius: 18px; background: rgba(255,255,255,.55); border: 1px solid var(--line); }
.edition-card__number { color: var(--brand-soft); font-weight: 900; font-size: 1.4rem; }
.edition-card h3 { margin: 8px 0; font-size: 1.1rem; }
.edition-card p { margin: 0 0 12px; color: var(--muted); font-size: .9rem; }
.edition-chip { display: inline-flex; padding: 3px 8px; border-radius: 999px; background: var(--paper-2); color: var(--brand); font-size: .68rem; font-weight: 800; }
.guide-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.guide-visual { margin: 0; }
.guide-visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 26px; }
.guide-steps h2 { margin-top: 0; font-size: 2rem; }
.guide-steps ol { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.guide-steps li { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 18px 0; border-top: 1px solid var(--line); }
.guide-steps strong { font-size: 1.05rem; }
.guide-steps span { color: var(--muted); }
.guide-cards { display: grid; gap: 12px; padding-bottom: 90px; }
.guide-card { display: grid; grid-template-columns: 78px 1fr; gap: 26px; padding: 28px 0; border-top: 1px solid var(--line); }
.guide-card > span { color: var(--brand-soft); font-size: 2.4rem; font-weight: 900; line-height: 1; }
.guide-card h2 { margin: 0; font-size: 1.45rem; }
.guide-card p { color: var(--muted); }
.guide-card ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.act-layout { display: grid; grid-template-columns: 1fr 340px; gap: 32px; align-items: start; padding-bottom: 90px; }
.act-main { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.act-note { position: sticky; top: 108px; padding: 18px; border-radius: 22px; background: var(--deep); color: white; }
.act-note img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 16px; }
.act-note h2 { margin-bottom: 8px; }
.act-note p { color: #c6b5bf; font-size: .9rem; }
.act-note a { color: #f0bfd5; font-weight: 800; font-size: .86rem; }
.search-form { margin-top: 30px; max-width: 760px; }
.search-form label { display: block; margin-bottom: 8px; font-size: .82rem; font-weight: 800; }
.search-form > div { display: flex; gap: 8px; padding: 7px; border-radius: 18px; background: white; border: 1px solid var(--line); }
.search-form input { flex: 1; min-width: 0; border: 0; outline: 0; padding: 11px 12px; background: transparent; }
.search-form button { border: 0; border-radius: 12px; background: var(--deep); color: white; padding: 10px 18px; font-weight: 800; }
.search-results { padding-bottom: 90px; }
.empty-state { padding: 44px; border-radius: 24px; background: var(--paper-2); }
.empty-state h2 { margin-top: 0; }
.detail-page { padding-top: 46px; }
.detail-hero { display: grid; grid-template-columns: 1fr 300px; gap: 40px; padding: 38px 0 46px; border-bottom: 1px solid var(--line); }
.detail-hero h1 { margin: 0; font-size: clamp(2.4rem,5vw,4.8rem); line-height: 1.08; letter-spacing: -.035em; }
.detail-lead { max-width: 760px; color: var(--muted); font-size: 1.08rem; }
.detail-hero aside { padding: 22px; border-radius: 20px; background: var(--paper-2); }
.detail-hero aside span { color: var(--muted); font-size: .74rem; }
.detail-hero aside strong { display: block; margin: 5px 0 10px; font-size: 1.15rem; }
.detail-hero aside p { margin: 0; color: var(--muted); font-size: .86rem; }
.detail-body { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 54px; align-items: start; padding: 50px 0 30px; }
.detail-copy section { margin-bottom: 44px; }
.detail-copy h2 { margin: 0 0 14px; font-size: 1.65rem; }
.detail-copy p { margin: 0 0 16px; color: #51474d; font-size: 1.02rem; }
.detail-points { position: sticky; top: 110px; padding: 22px; border-radius: 20px; background: white; border: 1px solid var(--line); }
.detail-points h2 { margin-top: 0; font-size: 1.1rem; }
.detail-points ul { padding-left: 18px; color: var(--muted); }
.detail-points li { margin-bottom: 10px; }
.detail-points a { font-size: .84rem; font-weight: 800; color: var(--brand); }
.related { padding-bottom: 90px; }
.not-found { min-height: 60vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.not-found > span { color: var(--brand-soft); font-size: clamp(5rem,14vw,11rem); font-weight: 950; line-height: .8; }
.not-found h1 { margin: 24px 0 8px; font-size: 2.4rem; }
.not-found p { max-width: 620px; color: var(--muted); }
.not-found div { display: flex; gap: 10px; flex-wrap: wrap; }
.site-footer { padding: 54px 0 24px; background: #1b141a; color: #e7dce2; }
.footer-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; }
.footer-grid p { max-width: 620px; color: #b8a8b1; }
.footer-brand { margin: 0; color: white !important; font-size: 1.25rem; font-weight: 900; }
.footer-grid nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px 20px; align-content: start; }
.footer-grid nav a { color: #d6c7cf; font-size: .88rem; }
.footer-note { margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #8f8088; font-size: .78rem; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, white); outline-offset: 3px; }
@media (max-width: 980px) {
  .site-header__inner { min-height: 70px; }
  .menu-toggle { display: inline-flex; }
  .primary-nav { position: absolute; left: 20px; right: 20px; top: 70px; display: none; padding: 10px; border: 1px solid var(--line); border-radius: 18px; background: #fffafb; box-shadow: var(--shadow); }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { border-radius: 10px; }
  .hero { grid-template-columns: 1fr; }
  .hero__visual { max-width: 760px; }
  .editorial-grid--lead { grid-template-columns: repeat(2,1fr); }
  .version-band__grid, .split-feature, .act-teaser, .watch-overview, .guide-layout { grid-template-columns: 1fr; }
  .version-band__intro, .act-note, .detail-points, .topic-rail { position: static; }
  .act-teaser__items { grid-template-columns: repeat(3,1fr); }
  .browse-layout { grid-template-columns: 1fr; }
  .topic-rail { display: flex; flex-wrap: wrap; }
  .topic-rail p { width: 100%; }
  .act-layout { grid-template-columns: 1fr; }
  .detail-hero, .detail-body { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .section-gap { margin-top: 52px; }
  .hero { padding-top: 38px; gap: 28px; }
  .hero__copy h1 { font-size: clamp(2.3rem, 12vw, 4rem); }
  .hero__facts { grid-template-columns: 1fr; }
  .section-heading { display: grid; gap: 12px; }
  .editorial-grid, .editorial-grid--lead, .version-catalog__grid, .act-main { grid-template-columns: 1fr; }
  .content-card--lead, .content-card--wide { grid-column: auto; }
  .version-band { padding: 52px 0; }
  .version-row { grid-template-columns: 1fr; gap: 7px; }
  .mini-links a { grid-template-columns: 1fr; gap: 3px; }
  .act-teaser { padding: 22px; }
  .act-teaser__items { grid-template-columns: 1fr; }
  .quick-index__grid { grid-template-columns: 1fr 1fr; }
  .page-intro { padding-top: 36px; }
  .page-intro--dark { padding: 40px 0 48px; }
  .guide-card { grid-template-columns: 50px 1fr; gap: 14px; }
  .guide-card > span { font-size: 1.8rem; }
  .search-form > div { display: grid; }
  .search-form button { width: 100%; }
  .detail-page { padding-top: 34px; }
  .detail-hero { gap: 24px; padding-top: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 460px) {
  .brand { min-width: 0; }
  .brand__text small { display: none; }
  .quick-index__grid { grid-template-columns: 1fr; }
  .hero__actions .button, .not-found .button { width: 100%; }
  .content-card, .edition-guide, .edition-card { padding: 19px; }
  .cluster-heading { grid-template-columns: 1fr; }
  .cluster-heading > span { font-size: 1.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
.reference-layout { display: grid; grid-template-columns: 220px 1fr; gap: 34px; align-items: start; padding-bottom: 90px; }
.reference-tabs { position: sticky; top: 108px; display: grid; gap: 5px; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.58); }
.reference-tabs a { padding: 9px 11px; border-radius: 10px; color: var(--muted); font-size: .84rem; }
.reference-tabs a:hover, .reference-tabs a.is-active { background: var(--paper-2); color: var(--brand); font-weight: 800; }
.reference-list { border-top: 1px solid var(--line); }
.reference-item { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.reference-item > span { color: var(--brand-soft); font-weight: 900; }
.reference-item h2 { margin: 0 0 8px; font-size: 1.25rem; }
.reference-item p { margin: 8px 0; color: var(--muted); }
.reference-item .reference-summary { color: var(--ink); font-weight: 650; }
.reference-cta { margin-bottom: 90px; display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 30px; border-radius: 24px; background: var(--paper-2); }
.reference-cta h2 { margin: 0; font-size: 1.8rem; }
.reference-cta p:not(.eyebrow) { margin-bottom: 0; color: var(--muted); }
@media (max-width: 820px) {
  .reference-layout { grid-template-columns: 1fr; }
  .reference-tabs { position: static; grid-template-columns: repeat(3,1fr); }
  .reference-cta { display: grid; }
}
@media (max-width: 520px) {
  .reference-tabs { grid-template-columns: repeat(2,1fr); }
  .reference-item { grid-template-columns: 38px 1fr; }
}