:root {
  --ink: #0b0e13;
  --ink-2: #171b23;
  --gold: #e7ad28;
  --gold-soft: #f3ca67;
  --blue: #123b8c;
  --blue-deep: #08265d;
  --white: #ffffff;
  --paper: #f4f1e9;
  --mist: #dce1e8;
  --muted: #747d8c;
  --line: rgba(11, 14, 19, .16);
  --max: 1480px;
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 118px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
button, a, summary { font: inherit; }
a { color: inherit; }
::selection { color: var(--ink); background: var(--gold-soft); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 12px 18px;
  color: var(--ink);
  background: var(--gold);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--white);
  background: rgba(11, 14, 19, .97);
  border-bottom: 1px solid rgba(231, 173, 40, .35);
  backdrop-filter: blur(18px);
}
.identity-bar, .main-nav > ul, .main-nav, .hero, .section-pad, .site-footer {
  width: min(calc(100% - 56px), var(--max));
  margin-inline: auto;
}
.identity-bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-lockup img { width: 42px; height: 42px; object-fit: contain; border-radius: 50%; background: var(--gold); }
.brand-lockup strong { display: block; font-family: var(--serif); font-size: 24px; letter-spacing: .08em; }
.brand-lockup span { display: block; color: #aeb7c5; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.identity-bar > p { margin: 0; color: #cfd5df; font-size: 13px; letter-spacing: .08em; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--gold); }

.main-nav { position: relative; border-top: 1px solid rgba(255, 255, 255, .09); }
.main-nav > ul { width: 100%; min-height: 50px; padding: 0; margin: 0; display: flex; align-items: stretch; justify-content: center; list-style: none; }
.main-nav a {
  position: relative;
  min-height: 50px;
  padding: 13px 22px;
  display: block;
  color: #cfd4dc;
  font-size: 14px;
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}
.main-nav a::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 0; height: 2px; transform: scaleX(0); background: var(--gold); transition: transform .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a[aria-current="page"] { color: var(--white); background: rgba(255, 255, 255, .045); }
.main-nav a:hover::after, .main-nav a:focus-visible::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a:focus-visible, .menu-toggle:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.menu-toggle { display: none; }

.hero { padding-top: clamp(42px, 5vw, 82px); }
.hero-grid { display: grid; grid-template-columns: .82fr 1.62fr .82fr; border: 1px solid var(--line); background: var(--white); }
.official-declaration, .hero-brand, .hero-brief { min-width: 0; padding: clamp(28px, 3vw, 54px); }
.official-declaration { background: var(--ink); color: var(--white); }
.eyebrow, .section-no { margin: 0 0 22px; color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.official-declaration > strong { display: block; margin-bottom: 22px; font-family: var(--serif); font-size: clamp(24px, 2.1vw, 36px); font-weight: 500; }
.official-declaration > p:not(.eyebrow) { color: #c7ced8; font-size: 14px; }
.official-declaration dl { margin: 34px 0 0; }
.official-declaration dl div { padding: 13px 0; border-top: 1px solid rgba(255, 255, 255, .16); }
.official-declaration dt { color: #8f99a8; font-size: 11px; }
.official-declaration dd { margin: 2px 0 0; font-size: 14px; font-weight: 700; }

.hero-brand { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.brand-seal { width: 104px; aspect-ratio: 1; margin-bottom: 28px; display: grid; place-content: center; border: 1px solid var(--ink); border-radius: 50%; box-shadow: inset 0 0 0 8px var(--white), inset 0 0 0 9px var(--gold); }
.brand-seal span { display: block; font-family: Georgia, serif; font-size: 30px; line-height: 1; }
.brand-seal small { color: var(--blue); font-size: 8px; font-weight: 900; letter-spacing: .2em; }
.serial { margin: 0 0 18px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .2em; }
.hero h1 { max-width: 790px; margin: 0; font-family: var(--serif); font-size: clamp(46px, 5.35vw, 84px); font-weight: 500; line-height: 1.14; letter-spacing: -.035em; }
.hero-tagline { max-width: 570px; margin: 26px 0 0; color: #5b6370; font-size: clamp(16px, 1.4vw, 20px); }

.hero-brief { border-left: 1px solid var(--line); background: #f0f2f5; }
.hero-brief h2 { margin: 0 0 24px; font-family: var(--serif); font-size: 30px; font-weight: 500; }
.hero-brief ul { padding: 0; margin: 0; list-style: none; }
.hero-brief li { padding: 14px 0; display: flex; gap: 14px; border-top: 1px solid var(--line); font-size: 14px; }
.hero-brief li span { color: var(--blue); font-size: 11px; font-weight: 900; }
.small-note { margin: 28px 0 0; color: var(--muted); font-size: 12px; }

.hero-window { display: grid; grid-template-columns: 1.62fr 1fr; background: var(--ink-2); color: var(--white); }
.hero-window figure { position: relative; margin: 0; min-height: 350px; overflow: hidden; }
.hero-window img { width: 100%; height: 100%; min-height: 350px; object-fit: cover; object-position: center 40%; filter: saturate(.78) contrast(1.03); }
.hero-window figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,14,19,.05), rgba(11,14,19,.55)); }
.hero-window figcaption { position: absolute; left: 26px; bottom: 22px; z-index: 2; max-width: 580px; color: #d6dbe3; font-size: 11px; letter-spacing: .03em; }
.hero-directory { display: grid; grid-template-columns: 1fr 1fr; border-left: 1px solid rgba(255,255,255,.13); }
.hero-directory div { padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; border-right: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.hero-directory b { margin-bottom: auto; color: var(--gold); font-size: 12px; }
.hero-directory span { margin-top: 34px; font-family: var(--serif); font-size: 24px; }
.hero-directory small { color: #8d98a7; }

.section-pad { padding-block: clamp(82px, 9vw, 144px); }
.section-heading { max-width: 920px; margin-bottom: 54px; }
.section-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.5vw, 68px); font-weight: 500; line-height: 1.2; letter-spacing: -.025em; }
.section-heading > p:last-child, .split-heading > p { margin: 24px 0 0; color: #68707d; font-size: 16px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; }
.split-heading > p { margin: 0; }
.light h2 { color: var(--white); }
.light > p:last-child, .light.split-heading > p { color: #aeb7c4; }

.verify-panel { display: grid; grid-template-columns: .78fr 1.22fr; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.domain-card { padding: 44px; background: var(--gold); }
.domain-card span { font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.domain-card strong { display: block; margin: 28px 0 18px; font-family: Georgia, serif; font-size: clamp(34px, 4vw, 64px); line-height: 1; }
.domain-card p { margin: 0; font-size: 13px; }
.verification-list { margin: 0; padding: 18px 0 18px 48px; }
.verification-list div { min-height: 58px; padding: 16px 0; display: grid; grid-template-columns: 170px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.verification-list div:last-child { border-bottom: 0; }
.verification-list dt { color: var(--muted); font-size: 12px; }
.verification-list dd { margin: 0; font-weight: 700; }

.dark-section { width: 100%; max-width: none; padding-inline: max(28px, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--ink); }
.release-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.24); border-left: 1px solid rgba(255,255,255,.24); }
.release-grid article { min-height: 280px; padding: 34px; border-right: 1px solid rgba(255,255,255,.24); border-bottom: 1px solid rgba(255,255,255,.24); }
.release-grid span { color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.release-grid h3 { margin: 60px 0 16px; font-family: var(--serif); font-size: 30px; font-weight: 500; }
.release-grid p { margin: 0; color: #aeb7c4; font-size: 14px; }

.catalogue { padding-bottom: 70px; }
.genre-block { margin-bottom: 72px; }
.genre-block > header { padding: 20px 0; display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 22px; border-top: 1px solid var(--ink); }
.genre-block > header > span { color: var(--blue); font-family: Georgia, serif; font-size: 28px; }
.genre-block > header h3 { margin: 0; font-family: var(--serif); font-size: clamp(28px, 3vw, 42px); font-weight: 500; }
.genre-block > header p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.genre-block > header b { padding: 7px 13px; border: 1px solid var(--line); font-size: 11px; letter-spacing: .1em; }
.drama-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.drama-entry { min-width: 0; display: grid; grid-template-columns: minmax(210px, .9fr) 1.1fr; min-height: 300px; background: var(--white); border: 1px solid var(--line); }
.drama-entry img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; }
.drama-entry > div { padding: 30px; align-self: center; }
.poster-title { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.drama-entry h4 { margin: 18px 0 12px; font-family: var(--serif); font-size: 25px; font-weight: 500; line-height: 1.3; }
.drama-entry p { margin: 0; color: #68707c; font-size: 13px; }

.cobalt-section { width: 100%; max-width: none; padding-inline: max(28px, calc((100vw - var(--max)) / 2)); background: var(--blue-deep); color: var(--white); }
.topic-matrix { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.3); border-left: 1px solid rgba(255,255,255,.3); }
.topic-matrix article { min-height: 240px; padding: 26px; border-right: 1px solid rgba(255,255,255,.3); border-bottom: 1px solid rgba(255,255,255,.3); }
.topic-matrix article:last-child { grid-column: span 2; }
.topic-matrix span { color: var(--gold-soft); font-family: Georgia, serif; }
.topic-matrix h3 { margin: 64px 0 10px; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.topic-matrix p { margin: 0; color: #b9c8e8; font-size: 13px; }

.analysis-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.analysis-grid article { min-height: 300px; padding: 30px; background: var(--white); border-top: 4px solid var(--gold); }
.analysis-grid b { color: var(--blue); font-family: Georgia, serif; }
.analysis-grid h3 { margin: 80px 0 16px; font-family: var(--serif); font-size: 26px; font-weight: 500; }
.analysis-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.service-table { border-top: 1px solid rgba(255,255,255,.24); }
.service-table > div { min-height: 96px; padding: 24px 0; display: grid; grid-template-columns: 180px 190px 1fr; gap: 24px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.24); }
.service-table span { color: #aeb7c4; font-size: 12px; }
.service-table strong { color: var(--gold-soft); font-size: 15px; }
.service-table p { margin: 0; color: #c6ccd5; font-size: 13px; }
.faq { margin-top: 90px; display: grid; grid-template-columns: .8fr 1.2fr; border-top: 1px solid rgba(255,255,255,.24); }
.faq h3 { margin: 0; padding-top: 30px; font-family: var(--serif); font-size: clamp(30px, 4vw, 48px); font-weight: 500; }
.faq details { grid-column: 2; border-bottom: 1px solid rgba(255,255,255,.24); }
.faq summary { padding: 24px 44px 24px 0; cursor: pointer; list-style-position: outside; font-weight: 700; }
.faq details p { margin: -4px 0 24px; color: #aeb7c4; font-size: 14px; }

.anti-counterfeit { display: grid; grid-template-columns: 110px 1fr .85fr; gap: 52px; align-items: center; }
.warning-mark { width: 92px; aspect-ratio: 1; display: grid; place-content: center; border: 2px solid var(--ink); border-radius: 50%; color: var(--gold); background: var(--ink); font-family: Georgia, serif; font-size: 56px; }
.anti-counterfeit h2 { margin: 0; font-family: var(--serif); font-size: clamp(36px, 4vw, 58px); font-weight: 500; }
.anti-counterfeit p:not(.section-no) { color: #626b78; }
.anti-counterfeit ul { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--ink); }
.anti-counterfeit li { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 13px; }

.disclosure { border-top: 1px solid var(--line); }
.brand-record { display: grid; grid-template-columns: .55fr 1.45fr; border: 1px solid var(--ink); background: var(--white); }
.record-logo { padding: 54px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--white); background: var(--blue-deep); text-align: center; }
.record-logo img { width: 110px; aspect-ratio: 1; border-radius: 50%; background: var(--gold); }
.record-logo strong { margin-top: 24px; font-family: var(--serif); font-size: 34px; }
.record-logo span { color: var(--gold-soft); font-size: 12px; letter-spacing: .15em; }
.brand-record dl { margin: 0; padding: 28px 52px; }
.brand-record dl div { min-height: 65px; padding: 16px 0; display: grid; grid-template-columns: 180px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.brand-record dl div:last-child { border-bottom: 0; }
.brand-record dt { color: var(--muted); font-size: 12px; }
.brand-record dd { margin: 0; font-weight: 700; }

.site-footer { width: 100%; max-width: none; padding: 52px max(28px, calc((100vw - var(--max)) / 2)); color: #aeb7c4; background: var(--ink); border-top: 1px solid rgba(231,173,40,.4); }
.site-footer > div { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
.site-footer strong { color: var(--white); font-family: var(--serif); font-size: 24px; }
.site-footer > div span { color: var(--gold-soft); }
.site-footer p { max-width: 760px; margin: 28px 0 36px; font-size: 12px; }
.site-footer small { font-size: 11px; }

@media (max-width: 1180px) {
  .main-nav a { padding-inline: 14px; }
  .main-nav a::after { left: 14px; right: 14px; }
  .hero-grid { grid-template-columns: 1fr 1.6fr; }
  .hero-brief { grid-column: 1 / -1; display: grid; grid-template-columns: .6fr 1.4fr; gap: 30px; align-items: start; border-left: 0; border-top: 1px solid var(--line); }
  .hero-brief .eyebrow, .hero-brief h2 { grid-column: 1; }
  .hero-brief ul { grid-column: 2; grid-row: 1 / span 3; }
  .hero-window { grid-template-columns: 1.3fr 1fr; }
  .drama-entry { grid-template-columns: 1fr; }
  .drama-entry img { min-height: 240px; max-height: 300px; }
  .analysis-grid { grid-template-columns: 1fr 1fr; }
  .topic-matrix { grid-template-columns: repeat(3, 1fr); }
  .topic-matrix article:last-child { grid-column: auto; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 78px; }
  .identity-bar, .main-nav, .hero, .section-pad { width: min(calc(100% - 32px), var(--max)); }
  .identity-bar { min-height: 62px; }
  .brand-lockup img { width: 36px; height: 36px; }
  .brand-lockup strong { font-size: 20px; }
  .brand-lockup span, .identity-bar > p { display: none; }
  .main-nav { width: 100%; }
  .menu-toggle { width: calc(100% - 32px); min-height: 46px; margin: 0 auto; padding: 0; display: flex; align-items: center; justify-content: space-between; color: var(--white); background: transparent; border: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .menu-icon { width: 22px; height: 12px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
  .main-nav > ul { position: absolute; left: 0; right: 0; top: 100%; width: 100%; height: auto; max-height: 0; display: block; overflow: hidden; background: var(--ink); transition: max-height .25s ease; }
  .main-nav > ul.is-open { max-height: 470px; border-bottom: 1px solid rgba(231,173,40,.4); }
  .main-nav a { padding: 14px 24px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-brand { grid-row: 1; min-height: 460px; }
  .official-declaration { grid-row: 2; }
  .hero-brief { display: block; }
  .hero-brief ul { margin-top: 20px; }
  .hero-window { grid-template-columns: 1fr; }
  .hero-directory { border-left: 0; }
  .split-heading { grid-template-columns: 1fr; gap: 28px; }
  .verify-panel { grid-template-columns: 1fr; }
  .verification-list { padding: 18px 28px; }
  .release-grid { grid-template-columns: 1fr; }
  .release-grid article { min-height: 220px; }
  .release-grid h3 { margin-top: 34px; }
  .drama-pair { grid-template-columns: 1fr; }
  .drama-entry { grid-template-columns: minmax(190px, .85fr) 1.15fr; }
  .topic-matrix { grid-template-columns: 1fr 1fr; }
  .service-table > div { grid-template-columns: 130px 150px 1fr; }
  .faq { grid-template-columns: 1fr; }
  .faq h3, .faq details { grid-column: 1; }
  .anti-counterfeit { grid-template-columns: 80px 1fr; }
  .anti-counterfeit ul { grid-column: 2; }
  .warning-mark { width: 72px; }
  .brand-record { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { width: 100%; padding-top: 0; }
  .hero-grid { border-left: 0; border-right: 0; }
  .hero-brand { min-height: 430px; padding-inline: 22px; }
  .hero h1 { font-size: 43px; }
  .official-declaration, .hero-brief { padding: 30px 22px; }
  .hero-window figure, .hero-window img { min-height: 265px; }
  .hero-directory { grid-template-columns: 1fr 1fr; }
  .hero-directory div { padding: 22px 18px; min-height: 150px; }
  .hero-directory span { font-size: 20px; }
  .section-pad { width: 100%; padding: 76px 18px; }
  .dark-section, .cobalt-section { padding-inline: 18px; }
  .section-heading h2 { font-size: 38px; }
  .verification-list div, .brand-record dl div { grid-template-columns: 1fr; gap: 4px; }
  .verification-list { padding-inline: 20px; }
  .genre-block > header { grid-template-columns: 45px 1fr; }
  .genre-block > header b { grid-column: 2; justify-self: start; }
  .drama-entry { grid-template-columns: 1fr; }
  .drama-entry img { max-height: none; aspect-ratio: 4 / 3; }
  .topic-matrix { grid-template-columns: 1fr; }
  .analysis-grid { grid-template-columns: 1fr; }
  .analysis-grid article { min-height: 240px; }
  .analysis-grid h3 { margin-top: 48px; }
  .service-table > div { grid-template-columns: 1fr; gap: 8px; }
  .faq { margin-top: 64px; }
  .anti-counterfeit { grid-template-columns: 1fr; gap: 26px; }
  .anti-counterfeit ul { grid-column: 1; }
  .brand-record dl { padding: 22px; }
  .site-footer { padding: 42px 22px; }
  .site-footer > div { display: block; }
  .site-footer > div span { display: block; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}