:root {
    --bg: #000000;
    --bg-deep: #0A0A0A;
    --bg-card: #111111;
    --bg-soft: #1A1A1A;
    --bg-hover: #222222;
    --text: #E8E8E8;
    --title: #FFFFFF;
    --muted: #B0B0B0;
    --faint: #777777;
    --line: rgba(255,255,255,0.12);
    --line-strong: rgba(255,255,255,0.35);
    --shadow: 0 16px 48px rgba(0,0,0,0.7);
    --glow: 0 12px 36px rgba(255,255,255,0.08);
    --max: 1280px;
    --header: 74px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.panel-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
::selection { background: #fff; color: #000; }

.skip-link {
    position: fixed;
    z-index: 300;
    left: 16px;
    top: -60px;
    padding: 10px 14px;
    background: #fff;
    color: #000;
    border-radius: 999px;
}
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header);
    background: rgba(0,0,0,0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}
.nav-shell {
    width: min(var(--max), calc(100% - 32px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 26px;
}
.brand-link { display: inline-flex; align-items: center; flex: 0 0 auto; min-height: 44px; }
.brand-logo { width: auto; height: 30px; object-fit: contain; }
.brand-wordmark { color: #fff; font-size: 23px; font-weight: 900; letter-spacing: -0.04em; white-space: nowrap; }
.desktop-main-nav { display: flex; align-items: center; gap: 20px; flex: 1 1 auto; min-width: 0; }
.desktop-main-nav a,
.text-action {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 2px;
    border: 0;
    background: none;
    color: #B0B0B0;
    font-size: 14px;
    white-space: nowrap;
    cursor: pointer;
}
.desktop-main-nav a:hover,
.text-action:hover,
.desktop-main-nav a.is-active { color: #fff; }
.desktop-main-nav a.is-active::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: 4px;
    height: 2px;
    background: #fff;
}
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.app-action,
.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
}
.app-action,
.primary-button { background: #fff; color: #000; }
.app-action:hover,
.primary-button:hover { transform: translateY(-1px); background: #E8E8E8; }
.secondary-button { border: 1px solid var(--line-strong); color: #fff; }
.secondary-button:hover { background: var(--bg-hover); border-color: #fff; }
.icon-button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}
.icon-button span { width: 16px; height: 1px; background: #fff; }
.mobile-nav-left { display: none; }

.site-main { min-height: 60vh; }
.page-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 78px 0; border-top: 1px solid var(--line); }
.section:first-child { border-top: 0; }
.section-kicker,
.eyebrow,
.card-kicker {
    display: inline-block;
    margin: 0 0 14px;
    color: #B0B0B0;
    font-size: 12px;
    letter-spacing: .18em;
    text-transform: uppercase;
}
.section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 460px);
    gap: 40px;
    align-items: end;
    margin-bottom: 34px;
}
.section-head h2,
.editorial-title,
.page-intro h1,
.hero-copy h1,
.footer-brand strong {
    margin: 0;
    color: #fff;
    line-height: 1.08;
    letter-spacing: -0.045em;
}
.section-head h2 { font-size: clamp(30px, 4vw, 54px); }
.section-head p { margin: 0; color: var(--muted); }
.section-link { color: #fff; text-decoration: underline; text-underline-offset: 5px; }

.page-intro { padding: 92px 0 58px; }
.page-intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: end; }
.page-intro h1 { font-size: clamp(48px, 8vw, 104px); }
.page-intro p { margin: 0; color: var(--muted); font-size: 18px; max-width: 680px; }
.page-intro .intro-note { padding: 24px 0 0; border-top: 1px solid var(--line); }

.hero { padding: 42px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 65fr 35fr; gap: 28px; align-items: stretch; }
.hero-media {
    min-height: 560px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background:
        radial-gradient(circle at 70% 18%, rgba(255,255,255,.10), transparent 18%),
        linear-gradient(135deg, #181818 0%, #050505 55%, #151515 100%);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow);
}
.hero-media img { width: 100%; height: 100%; object-fit: contain; }
.hero-media.no-image::before { content: "91 VIDEO"; position: absolute; left: 6%; bottom: 7%; color: rgba(255,255,255,.08); font-size: clamp(70px, 10vw, 150px); font-weight: 900; line-height: .8; letter-spacing: -.08em; }
.hero-copy { padding: 26px 0 8px; display: flex; flex-direction: column; }
.hero-copy h1 { font-size: clamp(44px, 5vw, 74px); margin-bottom: 22px; }
.hero-copy > p { color: var(--muted); margin: 0 0 26px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.hero-list { margin-top: auto; border-top: 1px solid var(--line); }
.hero-list a { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.hero-list span:first-child { color: var(--faint); font-variant-numeric: tabular-nums; }
.hero-list strong { color: #fff; font-size: 15px; }
.hero-list small { display: block; color: var(--muted); margin-top: 4px; }

.quick-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.quick-strip-inner { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; display: flex; gap: 26px; overflow-x: auto; scrollbar-width: thin; padding: 13px 0; }
.quick-strip a { flex: 0 0 auto; min-height: 40px; display: inline-flex; align-items: center; color: var(--muted); font-size: 13px; }
.quick-strip a:hover { color: #fff; }

.pill-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
.pill-card { padding: 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-card); }
.pill-card strong { color: #fff; display: block; }
.pill-card span { color: var(--muted); font-size: 13px; }

.feature-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; }
.feature-card,
.editorial-card,
.topic-card,
.info-card,
.qa-card,
.service-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-card);
    overflow: hidden;
}
.feature-card { padding: 34px; min-height: 420px; display: flex; flex-direction: column; justify-content: flex-end; position: relative; }
.feature-card .media-cover { position: absolute; inset: 0; opacity: .38; }
.feature-card .media-cover img { width: 100%; height: 100%; object-fit: cover; }
.feature-card .feature-content { position: relative; z-index: 1; max-width: 740px; }
.feature-card h3 { color: #fff; font-size: clamp(32px, 4vw, 56px); line-height: 1.08; margin: 0 0 18px; }
.feature-card p { margin: 0 0 18px; color: #D8D8D8; }
.feature-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 13px; }
.feature-side { display: grid; gap: 12px; }
.editorial-card { padding: 22px; }
.editorial-card h3,
.topic-card h3,
.info-card h3,
.service-card h3 { color: #fff; margin: 0 0 10px; line-height: 1.25; }
.editorial-card p,
.topic-card p,
.info-card p,
.service-card p { margin: 0; color: var(--muted); }
.editorial-card a { display: inline-flex; margin-top: 14px; color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr); gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.track > * { scroll-snap-align: start; }
.person-card { border: 1px solid var(--line); border-radius: 14px; background: var(--bg-card); min-height: 310px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
.person-card .num { font-size: 62px; color: rgba(255,255,255,.12); font-weight: 900; line-height: 1; }
.person-card h3 { color: #fff; margin: 30px 0 10px; font-size: 24px; }
.person-card p { color: var(--muted); margin: 0; }

.wide-feature { display: grid; grid-template-columns: 1.1fr .9fr; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--bg-card); }
.wide-feature .wide-media { min-height: 430px; background: #0c0c0c; display: grid; place-items: center; }
.wide-feature .wide-media img { width: 100%; height: 100%; object-fit: contain; }
.wide-copy { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.wide-copy h3 { color: #fff; font-size: clamp(34px, 4vw, 58px); margin: 0 0 18px; line-height: 1.08; }
.wide-copy p { color: var(--muted); margin: 0 0 20px; }
.index-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-top: 12px; }
.index-grid a { border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--bg-card); }
.index-grid strong { color: #fff; display: block; margin-bottom: 6px; }
.index-grid span { color: var(--muted); font-size: 13px; }

.number-list { counter-reset: item; }
.number-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; align-items: center; padding: 24px 0; border-top: 1px solid var(--line); }
.number-row:first-child { border-top-color: var(--line-strong); }
.number-row .big-num { color: rgba(255,255,255,.18); font-size: 52px; font-weight: 900; line-height: 1; }
.number-row h3 { color: #fff; margin: 0 0 4px; font-size: 22px; }
.number-row p { color: var(--muted); margin: 0; }
.number-row a { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.topic-card,
.info-card,
.service-card { padding: 24px; }
.topic-card .topic-no { color: var(--faint); font-size: 12px; letter-spacing: .16em; }
.topic-card h3 { margin-top: 34px; font-size: 24px; }
.topic-card a { display: inline-block; margin-top: 16px; color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.magazine-grid { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: auto auto; gap: 16px; }
.magazine-grid article { padding: 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-card); }
.magazine-grid article:first-child { grid-row: span 2; min-height: 510px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(145deg,#141414,#050505); }
.magazine-grid article h3 { color: #fff; margin: 0 0 12px; font-size: 28px; }
.magazine-grid article:first-child h3 { font-size: clamp(38px,5vw,62px); }
.magazine-grid article p { margin: 0; color: var(--muted); }

.playlist-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.playlist-card { min-height: 280px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-card); padding: 22px; display: flex; flex-direction: column; justify-content: space-between; }
.playlist-card .play-no { color: var(--faint); font-size: 12px; }
.playlist-card h3 { color: #fff; font-size: 28px; line-height: 1.15; margin: 0 0 10px; }
.playlist-card p { color: var(--muted); margin: 0; }

.chart-list { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.chart-item { display: grid; grid-template-columns: 150px 1fr 220px; gap: 28px; padding: 34px 0; border-bottom: 1px solid var(--line); align-items: center; }
.chart-item .rank { font-size: clamp(60px,8vw,118px); color: rgba(255,255,255,.13); font-weight: 900; letter-spacing: -.07em; line-height: .8; }
.chart-item h3 { color: #fff; margin: 0 0 8px; font-size: 26px; }
.chart-item p { color: var(--muted); margin: 0; }
.chart-item .chart-label { color: #fff; text-align: right; font-size: 13px; }

.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); }
.timeline-item { position: relative; padding: 0 0 34px 28px; }
.timeline-item::before { content: ""; position: absolute; left: -30px; top: 8px; width: 13px; height: 13px; border-radius: 50%; background: #000; border: 2px solid #fff; }
.timeline-item .status { color: #fff; font-size: 12px; letter-spacing: .12em; }
.timeline-item h3 { color: #fff; margin: 6px 0 8px; font-size: 27px; }
.timeline-item p { color: var(--muted); margin: 0; max-width: 760px; }

.article-list { border-top: 1px solid var(--line-strong); }
.article-row { display: grid; grid-template-columns: 150px 1fr auto; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.article-row .label { color: var(--muted); font-size: 12px; letter-spacing: .13em; }
.article-row h3 { color: #fff; margin: 0 0 8px; font-size: 26px; }
.article-row p { color: var(--muted); margin: 0; max-width: 760px; }
.article-row a { align-self: center; color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.poster-wall { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.poster-card { aspect-ratio: 2/3; border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: linear-gradient(165deg,#1b1b1b,#060606); display: flex; flex-direction: column; justify-content: flex-end; }
.poster-card:nth-child(even) { transform: translateY(22px); }
.poster-card .poster-tag { color: var(--faint); font-size: 11px; letter-spacing: .12em; }
.poster-card h3 { color: #fff; margin: 8px 0 4px; font-size: 22px; line-height: 1.15; }
.poster-card p { color: var(--muted); font-size: 13px; margin: 0; }

.app-hero { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: center; padding: 70px 0; }
.app-device { min-height: 580px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 34px; background: var(--bg-card); box-shadow: var(--glow); overflow: hidden; }
.app-device img { width: 100%; height: 100%; object-fit: contain; }
.app-copy h1 { color: #fff; font-size: clamp(48px,7vw,92px); margin: 0 0 22px; line-height: .98; letter-spacing: -.05em; }
.app-copy p { color: var(--muted); margin: 0 0 24px; font-size: 18px; }

.legal-grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.legal-nav { position: sticky; top: calc(var(--header) + 20px); border-top: 1px solid var(--line-strong); }
.legal-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.legal-nav a:hover { color: #fff; }
.legal-content section { padding: 0 0 38px; margin: 0 0 38px; border-bottom: 1px solid var(--line); }
.legal-content h2 { color: #fff; font-size: 32px; margin: 0 0 14px; }
.legal-content p, .legal-content li { color: var(--muted); }
.legal-content ul { padding-left: 1.2em; }

.qa-list { display: grid; gap: 12px; }
details.qa-card { padding: 0; }
details.qa-card summary { list-style: none; cursor: pointer; padding: 22px 54px 22px 22px; color: #fff; font-weight: 700; position: relative; }
details.qa-card summary::-webkit-details-marker { display: none; }
details.qa-card summary::after { content: "+"; position: absolute; right: 22px; top: 18px; font-size: 24px; color: var(--muted); }
details.qa-card[open] summary::after { content: "−"; }
details.qa-card p { margin: 0; padding: 0 22px 22px; color: var(--muted); }

.cta-band { border: 1px solid var(--line-strong); border-radius: 16px; padding: 34px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; background: var(--bg-card); }
.cta-band h2 { color: #fff; margin: 0 0 8px; font-size: 34px; }
.cta-band p { color: var(--muted); margin: 0; }

.site-footer { background: #000; border-top: 1px solid var(--line-strong); margin-top: 30px; }
.footer-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding: 68px 0 96px; }
.footer-brand { max-width: 520px; margin-bottom: 46px; }
.footer-brand-link { display: inline-flex; align-items: center; min-height: 44px; }
.footer-logo { height: 30px; width: auto; }
.footer-brand strong { font-size: 31px; }
.footer-en { color: #fff !important; font-size: 12px; letter-spacing: .25em; margin: 8px 0 18px !important; }
.footer-brand p { color: #AAAAAA; margin: 0; }
.footer-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; padding: 36px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.footer-grid h2 { color: #fff; font-size: 13px; margin: 0 0 14px; }
.footer-grid a { display: block; color: #999; font-size: 14px; padding: 5px 0; }
.footer-grid a:hover { color: #fff; }
.footer-note { display: flex; justify-content: space-between; gap: 40px; padding-top: 24px; color: #777; font-size: 12px; }
.footer-note p { margin: 0; max-width: 760px; }

.site-overlay {
    position: fixed;
    inset: 0;
    z-index: 140;
    background: rgba(0,0,0,.72);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, visibility .2s ease;
}
.site-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel {
    position: fixed;
    z-index: 160;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(460px, 88vw);
    background: #0A0A0A;
    border-left: 1px solid var(--line);
    transform: translateX(102%);
    visibility: hidden;
    pointer-events: none;
    transition: transform .25s ease, visibility .25s ease;
    box-shadow: var(--shadow);
}
.channel-panel.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.panel-head { height: 74px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.panel-brand { display: inline-flex; align-items: center; min-height: 44px; }
.panel-brand img { height: 28px; width: auto; }
.panel-brand strong { color: #fff; font-size: 22px; }
.panel-close { min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; color: #fff; }
.panel-scroll { height: calc(100dvh - 74px); overflow-y: auto; padding: 16px 20px 34px; }
.panel-search-button { width: 100%; min-height: 48px; margin: 4px 0 14px; padding: 0 16px; text-align: left; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg-card); color: #fff; cursor: pointer; }
.panel-search-button:hover { background: var(--bg-hover); }
.panel-group { padding: 12px 0 22px; border-bottom: 1px solid var(--line); }
.panel-group h2 { color: var(--faint); font-size: 11px; letter-spacing: .18em; margin: 0 0 8px; }
.panel-group a { display: block; padding: 12px 0; }
.panel-group strong { color: #fff; display: block; margin-bottom: 2px; }
.panel-group span { color: var(--muted); font-size: 13px; }

.search-panel {
    position: fixed;
    z-index: 170;
    top: var(--header);
    left: 0;
    right: 0;
    max-height: calc(100dvh - var(--header));
    overflow-y: auto;
    background: #0A0A0A;
    border-bottom: 1px solid var(--line-strong);
    opacity: 0;
    transform: translateY(-16px);
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.search-panel.is-open { opacity: 1; transform: translateY(0); visibility: visible; pointer-events: auto; }
.search-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding: 28px 0 34px; }
.search-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.search-head h2 { color: #fff; margin: 0; font-size: 32px; }
.search-box { margin-top: 22px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 12px; border-bottom: 1px solid #fff; padding-bottom: 10px; }
.search-box span { color: var(--faint); font-size: 13px; }
.search-box input { width: 100%; background: transparent; border: 0; outline: 0; color: #fff; font-size: clamp(24px,4vw,44px); }
.search-box input::placeholder { color: #666; }
.search-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 24px; }
.search-columns h3 { color: var(--muted); font-size: 12px; margin: 0 0 10px; }
.search-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.search-tags button { border: 1px solid var(--line); border-radius: 999px; background: var(--bg-card); padding: 8px 12px; cursor: pointer; }
.search-results { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin-top: 24px; }
.search-results a { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-card); padding: 16px; }
.search-results strong { display: block; color: #fff; }
.search-results span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.search-results a[hidden] { display: none; }
.search-quick { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 22px; }
.search-quick a { color: var(--muted); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }

.mobile-bottom-nav { display: none; }

:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }

@media (max-width: 1100px) {
    .desktop-main-nav { gap: 13px; }
    .desktop-main-nav a { font-size: 13px; }
    .desktop-menu { display: none; }
    .pill-grid, .playlist-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .poster-wall { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .poster-card:last-child { display: none; }
    .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 820px) {
    :root { --header: 64px; }
    .nav-shell { width: calc(100% - 30px); justify-content: space-between; gap: 8px; }
    .mobile-nav-left { display: block; flex: 0 0 44px; }
    .desktop-main-nav, .desktop-only, .desktop-menu, .search-trigger { display: none; }
    .brand-link { position: absolute; left: 50%; transform: translateX(-50%); max-width: 42%; justify-content: center; }
    .brand-logo { max-width: 100%; height: 26px; }
    .brand-wordmark { font-size: 20px; }
    .nav-actions { margin-left: auto; }
    .app-action { min-width: 64px; padding: 0 14px; }
    .page-shell, .quick-strip-inner, .footer-shell, .search-shell { width: calc(100% - 30px); }
    .section { padding: 56px 0; }
    .section-head { grid-template-columns: 1fr; gap: 14px; }
    .page-intro { padding: 58px 0 42px; }
    .page-intro-grid, .hero-grid, .feature-grid, .wide-feature, .app-hero, .legal-grid { grid-template-columns: 1fr; }
    .page-intro h1 { font-size: clamp(46px, 15vw, 72px); }
    .hero { padding: 28px 0 54px; }
    .hero-copy { order: 1; padding-top: 0; }
    .hero-media { order: 2; min-height: 0; aspect-ratio: 16/10; }
    .hero-list { margin-top: 14px; }
    .hero-list a { grid-template-columns: 34px 1fr; }
    .pill-grid, .grid-2, .grid-3, .grid-4, .playlist-grid { grid-template-columns: 1fr; }
    .pill-card { border-radius: 14px; }
    .index-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .wide-feature .wide-media { min-height: 0; aspect-ratio: 16/10; }
    .wide-copy { padding: 28px; }
    .number-row { grid-template-columns: 72px 1fr; }
    .number-row a { grid-column: 2; }
    .magazine-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .magazine-grid article:first-child { grid-row: auto; min-height: 380px; }
    .chart-item { grid-template-columns: 90px 1fr; gap: 16px; }
    .chart-item .chart-label { grid-column: 2; text-align: left; }
    .article-row { grid-template-columns: 1fr; gap: 8px; }
    .poster-wall { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .poster-card:nth-child(even) { transform: none; }
    .poster-card:last-child { display: flex; }
    .app-device { min-height: 0; aspect-ratio: 4/5; order: 2; }
    .app-copy { order: 1; }
    .legal-nav { position: static; }
    .cta-band { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-note { flex-direction: column; gap: 12px; }
    .search-panel { top: 0; height: 100dvh; max-height: none; }
    .search-shell { padding: 18px 0 84px; }
    .search-columns, .search-results { grid-template-columns: 1fr; }
    .search-head h2 { font-size: 26px; }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 90;
        display: grid;
        grid-template-columns: repeat(5,1fr);
        padding-bottom: env(safe-area-inset-bottom);
        background: rgba(0,0,0,.96);
        border-top: 1px solid var(--line);
        backdrop-filter: blur(12px);
    }
    .mobile-bottom-nav a { min-height: 54px; display: grid; place-items: center; color: #777; font-size: 11px; }
    .mobile-bottom-nav a.is-active { color: #fff; }
    .footer-shell { padding-bottom: 130px; }
}

@media (max-width: 520px) {
    .section-head h2 { font-size: 36px; }
    .hero-copy h1 { font-size: 46px; }
    .feature-card { min-height: 360px; padding: 24px; }
    .feature-card h3 { font-size: 36px; }
    .index-grid { grid-template-columns: 1fr; }
    .track { grid-auto-columns: 84%; }
    .chart-item { grid-template-columns: 72px 1fr; }
    .chart-item .rank { font-size: 54px; }
    .number-row .big-num { font-size: 42px; }
    .poster-wall { gap: 8px; }
    .poster-card { padding: 14px; }
    .poster-card h3 { font-size: 18px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}