:root {
  --indigo: #161b43;
  --indigo-deep: #0c102c;
  --mineral: #f4f2eb;
  --white: #fbfaf6;
  --red: #d33a43;
  --purple: #9388ad;
  --silver: #b7bbc7;
  --ink: #181a26;
  --muted: #626471;
  --line: rgba(24, 26, 38, .2);
  --light-line: rgba(244, 242, 235, .22);
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --serif: "Songti SC", STSong, "Noto Serif CJK SC", serif;
  --max: 1660px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: var(--mineral); font-family: var(--sans); line-height: 1.75; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
button, a { font: inherit; }
a { color: inherit; }
section { scroll-margin-top: 80px; }
::selection { color: var(--white); background: var(--red); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }

.page-shell { width: min(100% - 56px, var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; color: var(--ink); background: rgba(251, 250, 246, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { width: min(100% - 56px, var(--max)); min-height: 80px; margin: 0 auto; display: flex; align-items: stretch; justify-content: space-between; gap: 32px; }
.brand-lockup { min-width: 300px; display: flex; align-items: center; gap: 14px; }
.brand-lockup img { width: 43px; height: 43px; object-fit: contain; }
.brand-lockup div { display: grid; }
.brand-lockup strong { font-size: 19px; font-weight: 900; letter-spacing: .1em; line-height: 1.2; }
.brand-lockup span { margin-top: 3px; color: #737582; font-size: 8px; font-weight: 800; letter-spacing: .2em; }
.primary-nav { display: flex; align-items: stretch; }
.primary-nav a { position: relative; display: flex; align-items: center; padding: 0 15px; color: #52545f; font-size: 13px; font-weight: 760; text-decoration: none; white-space: nowrap; transition: color .2s ease, background-color .2s ease; }
.primary-nav a::after { content: ""; position: absolute; right: 15px; bottom: 0; left: 15px; height: 3px; background: transparent; }
.primary-nav a:hover, .primary-nav a.is-active, .primary-nav a[aria-current] { color: var(--indigo); background: rgba(147, 136, 173, .1); }
.primary-nav a.is-active::after, .primary-nav a[aria-current]::after { background: var(--red); }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; background: var(--mineral); }
.hero-atmosphere { position: absolute; inset: auto 0 0; height: 42%; background: linear-gradient(90deg, rgba(12,16,44,.97), rgba(22,27,67,.87)), url("https://lanshu-vista.cdn.bcebos.com/backgrounds/21x9/1960x840/0026.webp") center/cover no-repeat; }
.hero-white-space { position: relative; z-index: 1; width: min(100% - 56px, var(--max)); min-height: 785px; margin: 0 auto; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-template-rows: 1fr auto; gap: 24px; padding: 62px 0 54px; }
.edition-rail { grid-column: 1; grid-row: 1 / 3; padding-top: 4px; border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: flex-start; gap: 20px; color: #767884; font-size: 9px; letter-spacing: .18em; writing-mode: vertical-rl; }
.edition-rail span { color: var(--red); font-weight: 900; }
.edition-rail b { color: var(--indigo); }
.edition-rail em { font-style: normal; }
.hero-title-group { grid-column: 2 / span 6; grid-row: 1; align-self: center; padding: 10px 4vw 82px 0; }
.breadcrumb { margin-bottom: 23px; display: flex; align-items: center; gap: 9px; color: #777986; font-size: 10px; font-weight: 760; letter-spacing: .08em; }
.breadcrumb b { color: var(--red); }
.eyebrow, .kicker { color: var(--red); font-size: 10px; font-weight: 900; letter-spacing: .2em; text-transform: uppercase; }
.hero-wordmark { margin-top: 18px; color: var(--indigo); font-size: clamp(92px, 11vw, 188px); font-weight: 950; line-height: .78; letter-spacing: -.1em; }
.hero-wordmark.outline { margin-top: 16px; color: transparent; -webkit-text-stroke: 1.5px var(--indigo); }
.hero h1 { max-width: 850px; margin-top: 48px; font-size: clamp(34px, 3.25vw, 55px); line-height: 1.18; letter-spacing: -.045em; }
.hero-slogan { max-width: 720px; margin-top: 25px; color: #575966; font-family: var(--serif); font-size: clamp(19px, 1.7vw, 27px); }
.hero-window { position: relative; grid-column: 8 / span 5; grid-row: 1 / 3; min-height: 650px; align-self: stretch; overflow: hidden; clip-path: polygon(9% 0, 100% 0, 100% 89%, 88% 100%, 0 100%, 0 11%); background: var(--purple); }
.hero-window::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); pointer-events: none; }
.hero-window img { height: 100%; min-height: 650px; object-fit: cover; }
.hero-window span { position: absolute; top: 22px; right: 22px; z-index: 2; padding: 8px 12px; color: var(--white); background: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .17em; }
.hero-statement { grid-column: 2 / span 5; grid-row: 2; align-self: end; max-width: 760px; padding: 24px 28px; color: var(--white); background: var(--red); }
.hero-statement b { font-size: 11px; letter-spacing: .16em; }
.hero-statement p { margin-top: 8px; color: #f8dfe1; font-size: 14px; }
.hero-index { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); color: var(--white); background: var(--indigo); border-top: 1px solid var(--light-line); }
.hero-index div { min-height: 114px; padding: 22px 32px; border-right: 1px solid var(--light-line); display: grid; grid-template-columns: 38px 1fr; gap: 2px 10px; align-content: center; }
.hero-index div:last-child { border-right: 0; }
.hero-index span { grid-row: 1 / 3; color: var(--red); font-family: Georgia, serif; font-size: 23px; }
.hero-index b { font-size: 12px; }
.hero-index p { color: #aeb1c3; font-size: 11px; }

.section-mark { color: #858793; }
.section-mark span { display: block; color: var(--red); font-family: Georgia, serif; font-size: 32px; }
.section-mark p { margin-top: 4px; font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.identity-section { padding: 122px 0 132px; background: var(--white); }
.identity-layout { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: start; }
.section-mark { grid-column: 1 / span 2; }
.identity-title { grid-column: 3 / span 4; }
.identity-title h2, .curation-heading h2, .channel-title h2, .series-copy h2, .genre-heading h2, .review-title h2, .updates-heading h2, .access-heading h2, .faq-title h2, .archive-title h2 { margin-top: 16px; font-family: var(--serif); font-size: clamp(36px, 4vw, 65px); font-weight: 600; line-height: 1.2; letter-spacing: -.045em; }
.identity-copy { grid-column: 7 / span 4; display: grid; gap: 21px; color: var(--muted); font-size: 16px; }
.identity-copy strong { color: var(--indigo); }
.domain-proof { grid-column: 11 / span 2; min-height: 230px; padding: 24px; color: var(--white); background: var(--red); display: flex; flex-direction: column; }
.domain-proof span { font-size: 9px; font-weight: 900; letter-spacing: .17em; }
.domain-proof strong { margin-top: auto; font-size: 18px; word-break: break-word; }
.domain-proof p { margin-top: 5px; color: #f7d9dc; font-size: 11px; }
.service-scope { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-scope article { min-height: 225px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-scope span { color: var(--red); font-family: Georgia, serif; font-size: 20px; }
.service-scope h3 { margin-top: 45px; font-size: 21px; }
.service-scope p { margin-top: 11px; color: var(--muted); font-size: 13px; }

.curation-section { padding: 124px 0 134px; color: var(--white); background: var(--indigo); }
.curation-heading { display: grid; grid-template-columns: 7fr 5fr; gap: 7vw; align-items: end; }
.curation-heading > p { color: #b5b7c8; }
.lead-exhibit { min-height: 650px; margin-top: 70px; display: grid; grid-template-columns: 7fr 5fr; background: var(--mineral); color: var(--ink); }
.lead-image { position: relative; overflow: hidden; }
.lead-image img { height: 100%; min-height: 650px; object-fit: cover; }
.lead-image span { position: absolute; top: 0; left: 0; padding: 10px 14px; color: var(--white); background: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.film-record { min-width: 0; }
.feature-record { padding: clamp(35px, 5vw, 78px); display: flex; flex-direction: column; justify-content: center; }
.record-no { color: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.film-record h3 { margin-top: 19px; font-family: var(--serif); font-size: clamp(39px, 4vw, 66px); font-weight: 600; line-height: 1.15; }
.film-record dl { display: grid; grid-template-columns: 1fr 1fr; margin-top: 40px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.film-record dl div { min-height: 122px; padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.film-record dt { color: #777986; font-size: 10px; font-weight: 850; }
.film-record dd { margin-top: 8px; font-size: 13px; font-weight: 700; }
.paired-exhibits { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.paired-exhibits > article { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 560px; color: var(--ink); background: var(--white); }
.paired-exhibits > article > img { height: 100%; object-fit: cover; }
.record-content { padding: 34px; }
.record-content h3 { font-size: clamp(33px, 3vw, 48px); }
.record-content dl { grid-template-columns: 1fr; margin-top: 30px; }
.record-content dl div { min-height: auto; padding: 13px 15px; }

.channel-section { padding: 126px 0; background: var(--mineral); }
.channel-layout { display: grid; grid-template-columns: 4fr 8fr; gap: 8vw; }
.channel-title { position: sticky; top: 120px; align-self: start; }
.channel-title > p:last-child { max-width: 560px; margin-top: 27px; color: var(--muted); }
.channel-lines { border-top: 1px solid var(--ink); }
.channel-lines article { display: grid; grid-template-columns: 70px 2fr 3fr; gap: 24px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.channel-lines span { color: var(--red); font-family: Georgia, serif; font-size: 21px; }
.channel-lines h3 { font-family: var(--serif); font-size: 28px; font-weight: 600; }
.channel-lines p { color: var(--muted); font-size: 14px; }

.series-section { padding: 126px 0; color: var(--white); background: var(--purple); }
.series-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 7vw; align-items: center; }
.series-visual { position: relative; max-width: 660px; min-height: 760px; overflow: hidden; clip-path: polygon(0 0, 88% 0, 100% 10%, 100% 100%, 12% 100%, 0 90%); background: var(--indigo); }
.series-visual img { height: 100%; min-height: 760px; object-fit: cover; }
.series-visual span { position: absolute; left: 20px; bottom: 18px; padding: 8px 11px; color: var(--white); background: var(--indigo); font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.series-copy .kicker { color: #ffe5e6; }
.series-lead { max-width: 800px; margin-top: 31px; color: #f2eef7; font-size: 17px; }
.series-index { margin-top: 55px; border-top: 1px solid rgba(255,255,255,.45); }
.series-index article { display: grid; grid-template-columns: 54px 1.3fr 2fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.32); }
.series-index span { color: #ffd5d8; font-family: Georgia, serif; font-size: 19px; }
.series-index h3 { font-size: 20px; }
.series-index p { color: #eee9f2; font-size: 13px; }

.genre-section { padding: 126px 0 140px; background: var(--white); }
.genre-heading { display: grid; grid-template-columns: 7fr 4fr; gap: 8vw; align-items: end; }
.genre-heading > p { color: var(--muted); }
.coordinate-board { position: relative; min-height: 850px; margin-top: 72px; border: 1px solid var(--line); background-image: linear-gradient(to right, transparent calc(25% - .5px), var(--line) 25%, transparent calc(25% + .5px)), linear-gradient(to right, transparent calc(50% - .5px), var(--line) 50%, transparent calc(50% + .5px)), linear-gradient(to right, transparent calc(75% - .5px), var(--line) 75%, transparent calc(75% + .5px)), linear-gradient(to bottom, transparent calc(33.333% - .5px), var(--line) 33.333%, transparent calc(33.333% + .5px)), linear-gradient(to bottom, transparent calc(66.666% - .5px), var(--line) 66.666%, transparent calc(66.666% + .5px)); }
.axis { position: absolute; color: #898b96; font-size: 9px; font-weight: 850; letter-spacing: .15em; }
.axis-x { right: 20px; bottom: 13px; }
.axis-y { top: 18px; left: 18px; writing-mode: vertical-rl; }
.point { position: absolute; width: 21%; min-height: 152px; padding: 19px; border-top: 4px solid var(--red); background: rgba(244,242,235,.93); box-shadow: 0 13px 40px rgba(22,27,67,.08); }
.point span { color: var(--red); font-size: 9px; font-weight: 900; }
.point h3 { margin-top: 20px; font-family: var(--serif); font-size: 25px; font-weight: 600; }
.point p { margin-top: 6px; color: var(--muted); font-size: 12px; }
.p1 { top: 7%; left: 9%; }
.p2 { top: 12%; left: 36%; }
.p3 { top: 6%; right: 8%; }
.p4 { top: 39%; left: 16%; }
.p5 { top: 43%; left: 45%; }
.p6 { top: 36%; right: 4%; }
.p7 { bottom: 5%; left: 5%; }
.p8 { right: 27%; bottom: 7%; }
.coordinate-visual { position: absolute; right: 2%; bottom: 2%; width: 20%; aspect-ratio: 1; overflow: hidden; clip-path: polygon(14% 0, 100% 0, 100% 86%, 86% 100%, 0 100%, 0 14%); }
.coordinate-visual img { height: 100%; object-fit: cover; }

.review-section { padding: 126px 0; color: var(--white); background: var(--indigo-deep); }
.review-layout { display: grid; grid-template-columns: 4fr 5fr 3fr; gap: 4vw; align-items: start; }
.review-title > p:last-child { margin-top: 29px; color: #acafc1; }
.review-notes { border-top: 1px solid var(--light-line); }
.review-notes article { padding: 29px 0; border-bottom: 1px solid var(--light-line); }
.review-notes span { color: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.review-notes h3 { margin-top: 8px; font-family: var(--serif); font-size: 25px; font-weight: 600; }
.review-notes p { margin-top: 9px; color: #aeb1c3; font-size: 13px; }
.review-visual { min-height: 540px; overflow: hidden; }
.review-visual img { height: 100%; min-height: 540px; object-fit: cover; }

.updates-section { padding: 126px 0; background: var(--silver); }
.updates-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.updates-heading { grid-column: 1 / span 4; }
.updates-heading > p:last-child { margin-top: 25px; color: #4f515e; }
.updates-visual { grid-column: 5 / span 3; min-height: 420px; overflow: hidden; }
.updates-visual img { height: 100%; min-height: 420px; object-fit: cover; }
.updates-list { grid-column: 8 / span 5; border-top: 1px solid var(--ink); }
.updates-list article { display: grid; grid-template-columns: 105px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid rgba(24,26,38,.35); }
.updates-list time { color: var(--indigo); font-family: Georgia, serif; font-size: 15px; font-weight: 700; }
.updates-list span { color: var(--red); font-size: 9px; font-weight: 900; }
.updates-list h3 { margin-top: 5px; font-size: 19px; }
.updates-list p { margin-top: 6px; color: #4e505c; font-size: 13px; }

.access-section { padding: 126px 0 138px; background: var(--mineral); }
.access-heading { display: grid; grid-template-columns: 7fr 5fr; gap: 7vw; align-items: end; }
.access-heading > p { color: var(--muted); }
.access-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 66px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.access-grid article { min-height: 350px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.access-grid span { color: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.access-grid h3 { margin-top: 56px; font-family: var(--serif); font-size: 28px; font-weight: 600; }
.access-grid p { margin-top: 17px; color: var(--muted); font-size: 14px; }
.access-grid strong { margin-top: auto; padding-top: 24px; font-size: 11px; }
.access-grid .accent { color: var(--white); background: var(--red); }
.access-grid .accent span, .access-grid .accent p { color: #f8dfe1; }

.faq-section { padding: 126px 0; background: var(--white); }
.faq-layout { display: grid; grid-template-columns: 4fr 8fr; gap: 8vw; }
.faq-title > p:last-child { margin-top: 25px; color: var(--muted); }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 23px 46px 23px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 760; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 20px; right: 2px; color: var(--red); font-size: 25px; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 880px; padding: 0 52px 23px 0; color: var(--muted); }

.archive-section { position: relative; overflow: hidden; padding: 126px 0 118px; color: var(--white); background: var(--indigo); }
.archive-atmosphere { position: absolute; inset: 0; opacity: .1; background: url("https://lanshu-vista.cdn.bcebos.com/backgrounds/21x9/1960x840/0026.webp") center/cover no-repeat; }
.archive-layout, .disclosure-grid { position: relative; }
.archive-layout { display: grid; grid-template-columns: 4fr 8fr; gap: 8vw; }
.archive-title > p:last-child { margin-top: 28px; color: #afb2c4; }
.official-ledger { border-top: 1px solid var(--light-line); }
.official-ledger div { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--light-line); }
.official-ledger dt { color: var(--purple); font-size: 11px; font-weight: 850; }
.official-ledger dd { font-weight: 700; }
.disclosure-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 72px; border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.disclosure-grid article { min-height: 225px; padding: 27px; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); }
.disclosure-grid h3 { font-family: var(--serif); font-size: 24px; font-weight: 600; }
.disclosure-grid p { margin-top: 18px; color: #afb2c4; font-size: 13px; }

.site-footer { color: var(--white); background: #080b20; }
.footer-inner { width: min(100% - 56px, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 2fr 1.3fr 2fr 3fr; gap: 30px; align-items: end; padding: 52px 0; }
.footer-brand { display: grid; }
.footer-brand strong { font-size: 23px; }
.footer-brand span { color: #777b94; font-size: 8px; font-weight: 850; letter-spacing: .18em; }
.footer-inner p { color: #a4a7b8; font-size: 11px; }

@media (max-width: 1240px) {
  .page-shell, .header-inner, .hero-white-space, .footer-inner { width: min(100% - 44px, var(--max)); }
  .brand-lockup { min-width: 230px; }
  .primary-nav a { padding: 0 9px; font-size: 12px; }
  .primary-nav a::after { right: 9px; left: 9px; }
  .hero-title-group { grid-column: 2 / span 5; }
  .hero-window { grid-column: 7 / span 6; }
  .paired-exhibits > article { grid-template-columns: 1fr; }
  .paired-exhibits > article > img { max-height: 340px; }
  .point { width: 23%; }
}

@media (max-width: 960px) {
  html { scroll-padding-top: 70px; }
  .header-inner { min-height: 70px; align-items: center; }
  .brand-lockup img { width: 36px; height: 36px; }
  .brand-lockup strong { font-size: 17px; }
  .menu-toggle { position: relative; width: 46px; height: 46px; margin-left: auto; padding: 12px 10px; border: 1px solid var(--line); background: transparent; display: grid; align-content: center; gap: 7px; cursor: pointer; }
  .menu-toggle span { width: 100%; height: 2px; background: var(--indigo); transition: transform .2s ease; }
  .menu-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }
  .js .primary-nav { position: fixed; top: 70px; right: 0; left: 0; min-height: calc(100vh - 70px); padding: 28px 22px; background: var(--white); display: none; flex-direction: column; align-items: stretch; }
  .js .primary-nav.is-open { display: flex; }
  .primary-nav a { min-height: 56px; padding: 0 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .primary-nav a::after { display: none; }
  .hero-white-space { grid-template-columns: repeat(8, 1fr); min-height: 750px; }
  .edition-rail { grid-column: 1; }
  .hero-title-group { grid-column: 2 / span 4; }
  .hero-window { grid-column: 6 / span 3; min-height: 600px; }
  .hero-window img { min-height: 600px; }
  .hero-statement { grid-column: 2 / span 4; }
  .hero-index { grid-template-columns: 1fr 1fr; }
  .hero-index div:nth-child(even) { border-right: 0; }
  .identity-layout { grid-template-columns: repeat(8, 1fr); }
  .section-mark { grid-column: 1 / span 2; }
  .identity-title { grid-column: 3 / span 6; }
  .identity-copy { grid-column: 3 / span 6; margin-top: 25px; }
  .domain-proof { grid-column: 3 / span 3; margin-top: 25px; }
  .service-scope { grid-template-columns: 1fr 1fr; }
  .lead-exhibit { grid-template-columns: 1fr; }
  .lead-image { min-height: 500px; }
  .lead-image img { min-height: 500px; }
  .channel-layout, .series-layout, .review-layout, .faq-layout, .archive-layout { grid-template-columns: 1fr; gap: 56px; }
  .channel-title { position: static; }
  .series-visual { max-width: none; min-height: 620px; }
  .series-visual img { min-height: 620px; }
  .coordinate-board { min-height: 1000px; }
  .point { width: 29%; }
  .p1 { left: 7%; } .p2 { left: 37%; } .p3 { right: 3%; }
  .p4 { left: 5%; } .p5 { left: 36%; } .p6 { right: 3%; }
  .p7 { left: 5%; } .p8 { right: 36%; }
  .coordinate-visual { right: 3%; width: 28%; }
  .review-visual { min-height: 420px; }
  .review-visual img { min-height: 420px; }
  .updates-heading { grid-column: 1 / span 5; }
  .updates-visual { grid-column: 6 / span 7; }
  .updates-list { grid-column: 1 / span 12; margin-top: 35px; }
  .access-grid { grid-template-columns: 1fr 1fr; }
  .disclosure-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 64px; }
  .page-shell, .header-inner, .hero-white-space, .footer-inner { width: min(100% - 28px, var(--max)); }
  .header-inner { min-height: 64px; }
  .brand-lockup { min-width: 0; }
  .brand-lockup img { width: 32px; height: 32px; }
  .brand-lockup span { display: none; }
  .js .primary-nav { top: 64px; min-height: calc(100vh - 64px); padding: 24px 14px; }
  .hero-white-space { display: flex; flex-direction: column; padding: 38px 0 28px; }
  .edition-rail { order: 1; padding: 0 0 10px; border-right: 0; border-bottom: 1px solid var(--line); flex-direction: row; writing-mode: initial; }
  .hero-title-group { order: 2; padding: 26px 0 0; }
  .hero-wordmark { font-size: 31vw; }
  .hero h1 { margin-top: 37px; font-size: clamp(34px, 10vw, 48px); }
  .hero-slogan { font-size: 20px; }
  .hero-window { order: 3; width: calc(100% - 24px); min-height: 520px; margin: 38px 0 0 24px; }
  .hero-window img { min-height: 520px; }
  .hero-statement { order: 4; margin-top: -18px; width: calc(100% - 24px); }
  .hero-index { grid-template-columns: 1fr; }
  .hero-index div { min-height: 96px; padding: 18px 22px; border-right: 0; border-bottom: 1px solid var(--light-line); }
  .identity-section, .curation-section, .channel-section, .series-section, .genre-section, .review-section, .updates-section, .access-section, .faq-section, .archive-section { padding: 84px 0; }
  .identity-layout { display: block; }
  .identity-title { margin-top: 24px; }
  .identity-copy { margin-top: 28px; font-size: 15px; }
  .domain-proof { min-height: 190px; margin-top: 32px; }
  .identity-title h2, .curation-heading h2, .channel-title h2, .series-copy h2, .genre-heading h2, .review-title h2, .updates-heading h2, .access-heading h2, .faq-title h2, .archive-title h2 { font-size: 39px; }
  .service-scope { grid-template-columns: 1fr; margin-top: 52px; }
  .curation-heading, .genre-heading, .access-heading { grid-template-columns: 1fr; gap: 24px; }
  .lead-exhibit { margin-top: 46px; }
  .lead-image { min-height: 390px; }
  .lead-image img { min-height: 390px; }
  .feature-record { padding: 31px 21px; }
  .film-record dl { grid-template-columns: 1fr; }
  .film-record dl div { min-height: auto; }
  .paired-exhibits { grid-template-columns: 1fr; }
  .paired-exhibits > article { min-height: auto; }
  .record-content { padding: 28px 21px; }
  .channel-lines article { grid-template-columns: 48px 1fr; gap: 10px 15px; }
  .channel-lines p { grid-column: 2; }
  .series-visual { min-height: 520px; }
  .series-visual img { min-height: 520px; }
  .series-index article { grid-template-columns: 42px 1fr; }
  .series-index p { grid-column: 2; }
  .coordinate-board { min-height: auto; padding: 58px 18px 75px; display: grid; grid-template-columns: 1fr; gap: 13px; background-image: linear-gradient(to right, transparent 49.8%, var(--line) 50%, transparent 50.2%); }
  .point { position: static; width: auto; min-height: 145px; }
  .coordinate-visual { position: static; width: 100%; margin-top: 4px; }
  .axis-x { right: 16px; bottom: 12px; }
  .axis-y { top: 14px; left: 12px; }
  .review-visual { min-height: 330px; }
  .review-visual img { min-height: 330px; }
  .updates-grid { display: block; }
  .updates-visual { min-height: 310px; margin-top: 36px; }
  .updates-visual img { min-height: 310px; }
  .updates-list { margin-top: 34px; }
  .updates-list article { grid-template-columns: 1fr; gap: 9px; }
  .access-grid { grid-template-columns: 1fr; }
  .access-grid article { min-height: 315px; }
  .official-ledger div { grid-template-columns: 1fr; gap: 4px; }
  .footer-inner { grid-template-columns: 1fr; gap: 18px; }
}

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