:root {
    --berry: #E85D75;
    --berry-strong: #D93F63;
    --orange: #F2A65A;
    --ink: #2F2530;
    --text: #332D34;
    --muted: #756A73;
    --paper: #FFF9F6;
    --soft: #F8EEF0;
    --white: #FFFFFF;
    --line: rgba(47, 37, 48, .12);
    --line-strong: rgba(47, 37, 48, .2);
    --shadow-sm: 0 10px 26px rgba(47, 37, 48, .08);
    --shadow-md: 0 18px 48px rgba(47, 37, 48, .12);
    --shadow-lg: 0 28px 80px rgba(47, 37, 48, .16);
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 32px;
    --radius-pill: 999px;
    --container: 1220px;
    --reading: 760px;
    --header-height: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--paper); line-height: 1.72; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
::selection { background: rgba(232, 93, 117, .22); }
.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; transform: translateY(-150%); background: var(--ink); color: var(--white); padding: 10px 16px; border-radius: 10px; transition: transform .18s ease; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(217, 63, 99, .7); outline-offset: 3px; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(47, 37, 48, .08); background: rgba(255, 249, 246, .93); backdrop-filter: blur(16px); }
.header-shell { width: min(calc(100% - 40px), var(--container)); min-height: var(--header-height); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
.brand-lockup img { width: 46px; height: 46px; object-fit: cover; border-radius: 15px; background: var(--soft); box-shadow: var(--shadow-sm); }
.brand-lockup__text { display: grid; gap: 1px; }
.brand-lockup__text strong { font-size: 18px; line-height: 1.2; letter-spacing: .02em; }
.brand-lockup__text small { color: var(--muted); font-size: 12px; }
.primary-nav { display: flex; align-items: center; gap: 6px; }
.nav-link { position: relative; display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; border-radius: var(--radius-pill); color: var(--muted); font-weight: 650; font-size: 14px; transition: background .18s ease, color .18s ease, transform .18s ease; }
.nav-link:hover { background: rgba(232, 93, 117, .08); color: var(--ink); transform: translateY(-1px); }
.nav-link.is-active { color: var(--berry-strong); background: rgba(232, 93, 117, .11); }
.nav-link.is-active::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 18px; height: 2px; border-radius: 2px; background: var(--berry-strong); transform: translateX(-50%); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 10px; border-radius: 12px; cursor: pointer; }
.menu-toggle__line { display: block; width: 22px; height: 2px; margin: 4px auto; background: var(--ink); border-radius: 2px; }
.menu-toggle__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
main { min-height: 70vh; }
.eyebrow { margin: 0 0 10px; color: var(--berry-strong); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero-section { width: min(calc(100% - 40px), var(--container)); margin: 38px auto 0; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(420px, .96fr); gap: 54px; align-items: center; }
.hero-copy { padding: 34px 0 42px; }
.hero-copy h1, .page-hero h1 { max-width: 12ch; margin: 0; color: var(--ink); font-size: clamp(42px, 5.8vw, 76px); line-height: 1.06; letter-spacing: -.045em; }
.hero-lead, .page-hero__copy > p:not(.eyebrow) { max-width: 670px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 1.6vw, 20px); line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius-pill); font-weight: 750; line-height: 1; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--berry-strong); color: #fff; box-shadow: 0 12px 28px rgba(217, 63, 99, .22); }
.button--primary:hover { box-shadow: 0 15px 35px rgba(217, 63, 99, .28); }
.button--ghost { border-color: var(--line-strong); color: var(--ink); background: rgba(255,255,255,.55); }
.button--ghost:hover { background: var(--white); }
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 34px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 15px 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.52); }
.hero-points strong { display: block; color: var(--ink); font-size: 15px; }
.hero-points span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.hero-visual { position: relative; padding: 16px; border-radius: 34px; background: linear-gradient(145deg, #F8EEF0, #FFF2E8); box-shadow: var(--shadow-md); }
.hero-visual::before { content: ""; position: absolute; width: 180px; height: 180px; right: -28px; top: -28px; border-radius: 50%; background: rgba(242,166,90,.2); filter: blur(4px); }
.hero-visual img { position: relative; width: 100%; aspect-ratio: 1 / 1.08; object-fit: cover; border-radius: 24px; }
.hero-caption { position: absolute; right: 30px; bottom: 30px; width: min(72%, 360px); padding: 16px 18px; border: 1px solid rgba(255,255,255,.72); border-radius: 18px; background: rgba(47,37,48,.88); color: #fff; backdrop-filter: blur(8px); box-shadow: var(--shadow-sm); }
.hero-caption span { display: block; color: rgba(255,255,255,.7); font-size: 12px; }
.hero-caption strong { display: block; margin-top: 4px; line-height: 1.45; font-size: 15px; }
.content-section { width: min(calc(100% - 40px), var(--container)); margin: 104px auto; }
.content-section--tight { margin-top: 82px; }
.content-section--soft { width: 100%; max-width: none; padding: 84px max(20px, calc((100vw - var(--container)) / 2)); background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 480px); gap: 34px; align-items: end; }
.section-heading h2 { margin: 0; color: var(--ink); font-size: clamp(30px, 4vw, 48px); line-height: 1.15; letter-spacing: -.03em; }
.section-heading > p, .section-heading--split > p { margin: 0; color: var(--muted); line-height: 1.8; }
.work-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.work-grid--featured { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.work-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.work-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.74); box-shadow: 0 6px 20px rgba(47,37,48,.035); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(217,63,99,.24); }
.work-card__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #f3e8e8; }
.work-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.work-card:hover .work-card__media img { transform: scale(1.025); }
.work-card__state { position: absolute; left: 14px; top: 14px; min-height: 28px; display: inline-flex; align-items: center; padding: 0 10px; border-radius: var(--radius-pill); background: rgba(47,37,48,.86); color: #fff; font-size: 12px; font-weight: 800; }
.work-card__body { padding: 19px 20px 22px; }
.work-card__body .eyebrow { margin-bottom: 7px; font-size: 11px; }
.work-card h3 { margin: 0; color: var(--ink); font-size: 21px; line-height: 1.35; letter-spacing: -.015em; }
.work-card p:not(.eyebrow) { margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 15px 0 0; padding: 0; list-style: none; }
.tag-row li { padding: 5px 9px; border-radius: var(--radius-pill); background: var(--soft); color: #695b63; font-size: 11px; line-height: 1.2; }
.work-card--compact { display: grid; grid-template-columns: 150px 1fr; align-items: stretch; }
.work-card--compact .work-card__media { aspect-ratio: auto; min-height: 150px; }
.work-card--compact .work-card__body { padding: 16px 18px; }
.work-card--compact h3 { font-size: 18px; }
.work-card--compact p:not(.eyebrow) { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.section-action { margin-top: 26px; text-align: right; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--berry-strong); font-weight: 800; border-bottom: 1px solid rgba(217,63,99,.28); }
.text-link:hover { border-bottom-color: currentColor; }
.text-link--light { color: #ffe4e8; border-bottom-color: rgba(255,228,232,.4); }
.split-story { width: min(calc(100% - 40px), var(--container)); margin: 112px auto; display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); align-items: center; gap: 62px; }
.split-story__media { padding: 18px; background: var(--soft); border-radius: var(--radius-lg); }
.split-story__media img { width: 100%; aspect-ratio: 1.1 / 1; object-fit: cover; border-radius: 24px; }
.split-story__copy h2, .watch-layout__main h2, .desktop-workflow__copy h2, .browser-support h2, .keyboard-panel h2 { margin: 0; color: var(--ink); font-size: clamp(30px, 4.2vw, 50px); line-height: 1.12; letter-spacing: -.035em; }
.split-story__copy > p:not(.eyebrow), .watch-layout__main > p:not(.eyebrow), .desktop-workflow__copy > p:not(.eyebrow), .browser-support p, .keyboard-panel p { color: var(--muted); }
.inline-facts { display: grid; gap: 10px; margin: 25px 0; }
.inline-facts div { display: grid; grid-template-columns: 120px 1fr; gap: 14px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); }
.inline-facts strong { color: var(--ink); }
.inline-facts span { color: var(--muted); font-size: 14px; }
.category-board { border-top: 1px solid var(--line-strong); }
.category-row { display: grid; grid-template-columns: 64px minmax(0,1fr) 42px; gap: 18px; align-items: center; padding: 24px 6px; border-bottom: 1px solid var(--line); transition: padding .18s ease, background .18s ease; }
.category-row:hover { padding-left: 14px; padding-right: 14px; background: rgba(255,255,255,.62); }
.category-row__number { color: var(--orange); font-weight: 850; font-variant-numeric: tabular-nums; }
.category-row__body { display: grid; gap: 3px; }
.category-row__body strong { color: var(--ink); font-size: 20px; }
.category-row__body small { color: var(--muted); font-size: 14px; }
.category-row__arrow { font-size: 22px; color: var(--berry-strong); text-align: right; }
.work-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.desktop-strip { width: min(calc(100% - 40px), var(--container)); margin: 112px auto; min-height: 390px; overflow: hidden; display: grid; grid-template-columns: minmax(0,1fr) minmax(420px,.9fr); align-items: center; gap: 44px; padding: 50px 50px 0; border-radius: var(--radius-lg); background: var(--ink); color: #fff; }
.desktop-strip__copy { align-self: center; padding-bottom: 50px; }
.desktop-strip .eyebrow { color: #ffbdc9; }
.desktop-strip h2 { margin: 0; max-width: 10ch; font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.03em; }
.desktop-strip p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,.68); }
.desktop-strip img { width: 100%; align-self: end; border-radius: 22px 22px 0 0; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.faq-section { max-width: 980px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center; border: 0; background: transparent; padding: 21px 0; color: var(--ink); text-align: left; font-weight: 750; cursor: pointer; }
.faq-item button span:last-child { width: 28px; height: 28px; display: inline-grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--soft); color: var(--berry-strong); font-size: 20px; transition: transform .18s ease; }
.faq-item button[aria-expanded="true"] span:last-child { transform: rotate(45deg); }
.faq-panel { padding: 0 52px 20px 0; }
.faq-panel p { margin: 0; color: var(--muted); }
.page-hero { width: min(calc(100% - 40px), var(--container)); margin: 50px auto 0; display: grid; grid-template-columns: minmax(0,1.05fr) minmax(380px,.95fr); gap: 54px; align-items: center; }
.page-hero__copy { padding: 46px 0; }
.page-hero__visual { padding: 18px; border-radius: var(--radius-lg); background: var(--soft); }
.page-hero__visual img { width: 100%; aspect-ratio: 1.18 / 1; object-fit: cover; border-radius: 22px; }
.page-hero--watch .page-hero__visual { background: linear-gradient(145deg,#F8EEF0,#FFF4EA); }
.page-hero--desktop .page-hero__visual { background: #ece4e7; }
.page-hero__visual--frame { position: relative; padding: 32px 22px 0; border: 1px solid var(--line); box-shadow: var(--shadow-md); }
.page-hero__visual--frame::before { content:""; position:absolute; width: 60px; height: 5px; border-radius: 10px; top: 13px; left: 50%; transform: translateX(-50%); background: rgba(47,37,48,.18); }
.step-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step-grid li { min-height: 240px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.68); }
.step-grid__number { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 34px; border-radius: 50%; background: var(--berry-strong); color: #fff; font-weight: 850; }
.step-grid h3 { margin: 0; color: var(--ink); font-size: 20px; line-height: 1.35; }
.step-grid p { margin: 9px 0 0; color: var(--muted); font-size: 14px; }
.watch-layout { width: min(calc(100% - 40px), var(--container)); margin: 112px auto; display: grid; grid-template-columns: minmax(0,1fr) 390px; gap: 66px; align-items: start; }
.reading-notes { display: grid; gap: 12px; margin-top: 28px; }
.reading-notes div { padding: 18px 0; display: grid; grid-template-columns: 150px 1fr; gap: 18px; border-top: 1px solid var(--line); }
.reading-notes strong { color: var(--ink); }
.reading-notes span { color: var(--muted); font-size: 14px; }
.watch-layout__aside { position: sticky; top: calc(var(--header-height) + 24px); padding: 16px; border-radius: 24px; background: var(--soft); }
.watch-layout__aside img { width: 100%; aspect-ratio: .86 / 1; object-fit: cover; border-radius: 18px; }
.watch-layout__aside p { margin: 12px 4px 4px; color: var(--muted); font-size: 13px; }
.browser-support { width: min(calc(100% - 40px), var(--container)); margin: 110px auto; padding: 44px; display: grid; grid-template-columns: 1fr .9fr; gap: 46px; align-items: center; border-radius: var(--radius-lg); background: linear-gradient(135deg,#F8EEF0,#FFF9F6); border: 1px solid var(--line); }
.browser-support__list { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.browser-support__list span { padding: 16px; border-radius: 14px; background: rgba(255,255,255,.72); color: var(--ink); font-weight: 700; font-size: 14px; }
.tip-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.tip-grid article { min-height: 200px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.62); }
.tip-grid article:nth-child(2n) { background: var(--soft); }
.tip-grid h3 { margin: 0; color: var(--ink); font-size: 20px; }
.tip-grid p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.desktop-workflow { width: min(calc(100% - 40px), var(--container)); margin: 112px auto; display: grid; grid-template-columns: .95fr 1.05fr; gap: 62px; align-items: center; }
.desktop-workflow__visual { padding: 18px; border-radius: var(--radius-lg); background: #f3e9eb; }
.desktop-workflow__visual img { width: 100%; aspect-ratio: 1 / .95; object-fit: cover; border-radius: 24px; }
.check-list { margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 11px 0 11px 30px; border-bottom: 1px solid var(--line); color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 11px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: rgba(232,93,117,.12); color: var(--berry-strong); font-weight: 900; font-size: 12px; }
.keyboard-panel { width: min(calc(100% - 40px), var(--container)); margin: 108px auto; padding: 46px; border-radius: var(--radius-lg); background: var(--ink); color: #fff; }
.keyboard-panel h2 { color: #fff; max-width: 14ch; }
.keyboard-panel .eyebrow { color: #ffb0be; }
.keyboard-panel dl { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin: 34px 0 0; }
.keyboard-panel dl div { padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.05); }
.keyboard-panel dt { color: #ffdbe1; font-weight: 850; }
.keyboard-panel dd { margin: 6px 0 0; color: rgba(255,255,255,.65); font-size: 13px; }
.catalog-hero { width: min(calc(100% - 40px), var(--container)); margin: 48px auto 0; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.catalog-hero h1 { margin: 0; max-width: 13ch; color: var(--ink); font-size: clamp(40px,5vw,68px); line-height: 1.08; letter-spacing: -.04em; }
.catalog-hero p:not(.eyebrow) { max-width: 690px; color: var(--muted); font-size: 18px; }
.catalog-hero img { width: 100%; aspect-ratio: 1.4 / 1; object-fit: cover; border-radius: 28px; }
.catalog-tools { width: min(calc(100% - 40px), var(--container)); margin: 38px auto 0; display: grid; grid-template-columns: minmax(280px,420px) 1fr; gap: 28px; align-items: end; }
.catalog-search label { display: block; margin-bottom: 8px; color: var(--ink); font-size: 13px; font-weight: 800; }
.search-box { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.search-box input { min-width: 0; height: 46px; border: 1px solid var(--line-strong); border-radius: 14px; padding: 0 14px; background: #fff; color: var(--ink); }
.search-box input::placeholder { color: #a89ea4; }
.search-box button { min-width: 74px; border: 0; border-radius: 14px; background: var(--ink); color: #fff; font-weight: 800; cursor: pointer; }
.filter-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.filter-nav a { padding: 8px 13px; border: 1px solid var(--line); border-radius: var(--radius-pill); color: var(--muted); font-size: 13px; font-weight: 700; background: rgba(255,255,255,.5); }
.filter-nav a:hover, .filter-nav a.is-active { border-color: rgba(217,63,99,.26); background: rgba(232,93,117,.1); color: var(--berry-strong); }
.catalog-results { margin-top: 64px; }
.empty-state { max-width: 640px; margin: 20px auto 0; padding: 44px; border: 1px dashed var(--line-strong); border-radius: 24px; text-align: center; }
.empty-state img { width: 250px; margin: 0 auto 20px; border-radius: 18px; }
.empty-state h3 { margin: 0; color: var(--ink); font-size: 26px; }
.empty-state p { color: var(--muted); }
.not-found { width: min(calc(100% - 40px), 980px); min-height: 62vh; margin: 0 auto; display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; align-items: center; }
.not-found__code { color: rgba(232,93,117,.18); font-size: clamp(110px,18vw,220px); font-weight: 900; line-height: .8; letter-spacing: -.08em; }
.not-found__copy h1 { margin: 0; color: var(--ink); font-size: clamp(36px,5vw,58px); line-height: 1.1; }
.not-found__copy > p:not(.eyebrow) { color: var(--muted); }
.notice { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 14px 16px; border-left: 4px solid var(--orange); border-radius: 12px; background: #fff5ea; }
.notice strong { color: var(--ink); }
.notice span { color: var(--muted); }
.site-footer { margin-top: 116px; padding: 58px 0 0; background: #2b222c; color: #fff; }
.footer-grid { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 34px; }
.footer-grid h2 { margin: 0 0 12px; font-size: 13px; color: #f7b2bf; letter-spacing: .06em; }
.footer-grid a { display: block; width: fit-content; margin: 8px 0; color: rgba(255,255,255,.76); font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-brand p, .footer-note p { max-width: 360px; color: rgba(255,255,255,.57); font-size: 13px; }
.footer-logo { margin-top: 0 !important; color: #fff !important; font-size: 22px !important; font-weight: 850; }
.footer-bottom { width: min(calc(100% - 40px), var(--container)); margin: 42px auto 0; padding: 20px 0 28px; display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.5); font-size: 12px; }
.footer-bottom a { color: rgba(255,255,255,.66); }
.back-to-top { position: fixed; z-index: 40; right: 22px; bottom: 22px; width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--ink); color: #fff; box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease; }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
@media (max-width: 1100px) {
    .work-grid--featured, .work-grid--three { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .step-grid, .tip-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .hero-section, .page-hero { grid-template-columns: 1fr 430px; gap: 36px; }
    .hero-copy h1, .page-hero h1 { font-size: clamp(40px,6vw,60px); }
    .desktop-strip { grid-template-columns: 1fr 390px; }
    .keyboard-panel dl { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-note { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
    :root { --header-height: 68px; }
    .header-shell { width: min(calc(100% - 28px), var(--container)); }
    .brand-lockup__text small { display: none; }
    .brand-lockup { min-width: 0; }
    .menu-toggle { display: inline-block; }
    .primary-nav { position: absolute; left: 14px; right: 14px; top: calc(100% + 8px); display: grid; gap: 4px; padding: 10px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,249,246,.98); box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
    .primary-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-link { width: 100%; justify-content: space-between; padding: 0 14px; border-radius: 12px; }
    .nav-link.is-active::after { display: none; }
    .hero-section, .page-hero, .catalog-hero { grid-template-columns: 1fr; }
    .hero-section { margin-top: 22px; }
    .hero-copy { padding-bottom: 4px; }
    .hero-copy h1, .page-hero h1 { max-width: 14ch; }
    .hero-visual { max-width: 660px; }
    .section-heading--split { grid-template-columns: 1fr; gap: 14px; }
    .split-story, .desktop-workflow { grid-template-columns: 1fr; gap: 34px; }
    .split-story__media, .desktop-workflow__visual { max-width: 660px; }
    .watch-layout { grid-template-columns: 1fr; gap: 34px; }
    .watch-layout__aside { position: static; max-width: 520px; }
    .browser-support { grid-template-columns: 1fr; }
    .desktop-strip { grid-template-columns: 1fr; padding: 40px 40px 0; }
    .desktop-strip__copy { padding-bottom: 0; }
    .desktop-strip h2 { max-width: 16ch; }
    .desktop-strip img { max-width: 620px; }
    .catalog-tools { grid-template-columns: 1fr; align-items: start; }
    .filter-nav { justify-content: flex-start; }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
    .header-shell { width: min(calc(100% - 24px), var(--container)); }
    .brand-lockup img { width: 40px; height: 40px; border-radius: 12px; }
    .brand-lockup__text strong { font-size: 16px; }
    .hero-section, .page-hero, .content-section, .split-story, .desktop-strip, .watch-layout, .browser-support, .desktop-workflow, .keyboard-panel, .catalog-hero, .catalog-tools, .not-found { width: min(calc(100% - 28px), var(--container)); }
    .hero-copy h1, .page-hero h1, .catalog-hero h1 { font-size: clamp(38px,12vw,54px); }
    .hero-lead, .page-hero__copy > p:not(.eyebrow), .catalog-hero p:not(.eyebrow) { font-size: 16px; }
    .hero-actions { align-items: stretch; }
    .button { width: 100%; }
    .hero-points { grid-template-columns: 1fr; }
    .hero-visual { padding: 10px; border-radius: 24px; }
    .hero-visual img { border-radius: 18px; }
    .hero-caption { left: 18px; right: 18px; bottom: 18px; width: auto; }
    .content-section { margin-top: 78px; margin-bottom: 78px; }
    .content-section--soft { width: 100%; padding: 68px 14px; }
    .section-heading h2, .split-story__copy h2, .watch-layout__main h2, .desktop-workflow__copy h2, .browser-support h2, .keyboard-panel h2 { font-size: 32px; }
    .work-grid, .work-grid--featured, .work-grid--three, .work-list { grid-template-columns: 1fr; }
    .work-card--compact { grid-template-columns: 118px 1fr; }
    .work-card--compact .work-card__body { padding: 13px 14px; }
    .work-card--compact h3 { font-size: 16px; }
    .work-card--compact .tag-row { display: none; }
    .split-story, .desktop-workflow { margin-top: 78px; margin-bottom: 78px; }
    .inline-facts div, .reading-notes div { grid-template-columns: 1fr; gap: 3px; }
    .category-row { grid-template-columns: 44px 1fr 24px; gap: 10px; padding: 20px 2px; }
    .category-row__body strong { font-size: 18px; }
    .desktop-strip { margin-top: 78px; margin-bottom: 78px; padding: 30px 24px 0; }
    .step-grid, .tip-grid { grid-template-columns: 1fr; }
    .step-grid li { min-height: 0; }
    .step-grid__number { margin-bottom: 22px; }
    .browser-support, .keyboard-panel { padding: 28px 22px; }
    .browser-support__list, .keyboard-panel dl { grid-template-columns: 1fr; }
    .catalog-hero { margin-top: 28px; }
    .catalog-hero img { order: -1; border-radius: 20px; }
    .filter-nav { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 5px; -webkit-overflow-scrolling: touch; }
    .filter-nav a { flex: 0 0 auto; }
    .not-found { grid-template-columns: 1fr; gap: 16px; padding-top: 44px; }
    .not-found__code { font-size: 120px; }
    .site-footer { margin-top: 78px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand, .footer-note { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}
.stack-1 > * + * { margin-top: 2px; }
.stack-2 > * + * { margin-top: 4px; }
.stack-3 > * + * { margin-top: 6px; }
.stack-4 > * + * { margin-top: 8px; }
.stack-5 > * + * { margin-top: 10px; }
.stack-6 > * + * { margin-top: 12px; }
.stack-7 > * + * { margin-top: 14px; }
.stack-8 > * + * { margin-top: 16px; }
.stack-9 > * + * { margin-top: 18px; }
.stack-10 > * + * { margin-top: 20px; }
.stack-11 > * + * { margin-top: 22px; }
.stack-12 > * + * { margin-top: 24px; }
.stack-13 > * + * { margin-top: 26px; }
.stack-14 > * + * { margin-top: 28px; }
.stack-15 > * + * { margin-top: 30px; }
.stack-16 > * + * { margin-top: 32px; }
.stack-17 > * + * { margin-top: 34px; }
.stack-18 > * + * { margin-top: 36px; }
.stack-19 > * + * { margin-top: 38px; }
.stack-20 > * + * { margin-top: 40px; }
.stack-21 > * + * { margin-top: 42px; }
.stack-22 > * + * { margin-top: 44px; }
.stack-23 > * + * { margin-top: 46px; }
.stack-24 > * + * { margin-top: 48px; }
.gap-1 { gap: 2px; }
.gap-2 { gap: 4px; }
.gap-3 { gap: 6px; }
.gap-4 { gap: 8px; }
.gap-5 { gap: 10px; }
.gap-6 { gap: 12px; }
.gap-7 { gap: 14px; }
.gap-8 { gap: 16px; }
.gap-9 { gap: 18px; }
.gap-10 { gap: 20px; }
.gap-11 { gap: 22px; }
.gap-12 { gap: 24px; }
.pad-1 { padding: 2px; }
.pad-2 { padding: 4px; }
.pad-3 { padding: 6px; }
.pad-4 { padding: 8px; }
.pad-5 { padding: 10px; }
.pad-6 { padding: 12px; }
.pad-7 { padding: 14px; }
.pad-8 { padding: 16px; }
.pad-9 { padding: 18px; }
.pad-10 { padding: 20px; }
.pad-11 { padding: 22px; }
.pad-12 { padding: 24px; }

/* Extended production states and layout refinements */
@media (min-width: 1280px) {
    .work-grid--featured .work-card:nth-child(1),
    .work-grid--featured .work-card:nth-child(4) { transform-origin: center; }
    .work-grid--featured .work-card__body { min-height: 238px; }
    .catalog-results .work-card__body { min-height: 250px; }
    .page-desktop .work-grid .work-card__body { min-height: 258px; }
}
@media (min-width: 1500px) {
    :root { --container: 1320px; }
    .hero-section { grid-template-columns: minmax(0,1.08fr) minmax(500px,.92fr); }
    .hero-copy h1 { font-size: 78px; }
    .work-grid--featured, .work-grid--three { gap: 26px; }
    .work-card__body { padding: 22px 23px 25px; }
}
@media (hover: hover) and (pointer: fine) {
    .button--primary:hover { background: #cc3659; }
    .button--ghost:hover { border-color: rgba(47,37,48,.32); }
    .category-row:hover .category-row__arrow { transform: translate(2px,-2px); }
    .category-row__arrow { transition: transform .18s ease; }
    .footer-grid a:hover { text-decoration: underline; text-underline-offset: 4px; }
}
@media (hover: none) {
    .work-card:hover { transform: none; box-shadow: 0 6px 20px rgba(47,37,48,.035); }
    .button:hover { transform: none; }
}
@media (forced-colors: active) {
    .button, .nav-link, .work-card, .category-row, .tip-grid article, .step-grid li, .keyboard-panel dl div { forced-color-adjust: auto; border: 1px solid CanvasText; }
    .work-card__state, .button--primary, .search-box button { border: 1px solid ButtonText; }
    .hero-visual::before { display: none; }
    .nav-link.is-active::after { background: Highlight; }
}
@media print {
    :root { --paper: #fff; --soft: #fff; --text: #000; --ink: #000; --muted: #333; }
    .site-header, .site-footer, .back-to-top, .menu-toggle, .hero-actions, .catalog-tools { display: none !important; }
    body { background: #fff; color: #000; font-size: 11pt; }
    main { min-height: 0; }
    .hero-section, .page-hero, .content-section, .split-story, .desktop-strip, .watch-layout, .browser-support, .desktop-workflow, .keyboard-panel, .catalog-hero { width: 100%; margin: 20pt 0; padding: 0; display: block; background: #fff; color: #000; box-shadow: none; }
    .hero-visual, .page-hero__visual, .split-story__media, .desktop-workflow__visual { max-width: 320pt; margin: 12pt 0; padding: 0; background: #fff; box-shadow: none; }
    .work-grid, .work-grid--featured, .work-grid--three, .work-list { display: block; }
    .work-card { break-inside: avoid; margin: 0 0 12pt; border: 1px solid #bbb; box-shadow: none; }
    .work-card__media { max-width: 180pt; }
    a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; }
}
.density-comfortable .work-card__body { padding: 24px 25px 27px; }
.density-compact .work-card__body { padding: 14px 16px 16px; }
.density-compact .work-card p:not(.eyebrow) { line-height: 1.6; }
.content-divider { width: min(calc(100% - 40px), var(--container)); height: 1px; margin: 86px auto; border: 0; background: var(--line); }
.prose { max-width: var(--reading); color: var(--text); }
.prose > * + * { margin-top: 1.1em; }
.prose h2, .prose h3 { color: var(--ink); line-height: 1.3; }
.prose blockquote { margin-left: 0; padding: 16px 20px; border-left: 4px solid var(--berry); background: var(--soft); color: var(--muted); }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose li + li { margin-top: .45em; }
.prose code { padding: .15em .35em; border-radius: 6px; background: var(--soft); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .92em; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; }
.meta-line span { display: inline-flex; align-items: center; gap: 6px; }
.meta-line span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.kicker { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: var(--radius-pill); background: rgba(232,93,117,.1); color: var(--berry-strong); font-weight: 800; font-size: 12px; }
.surface { border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.68); }
.surface--soft { background: var(--soft); }
.surface--ink { background: var(--ink); color: #fff; }
.cluster { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.sidebar-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(240px,320px); gap: 44px; align-items: start; }
.sidebar-layout__aside { position: sticky; top: calc(var(--header-height) + 20px); }
.definition-list { margin: 0; }
.definition-list > div { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.definition-list dt { color: var(--ink); font-weight: 800; }
.definition-list dd { margin: 0; color: var(--muted); }
.status-dot { display: inline-flex; align-items: center; gap: 7px; }
.status-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--berry); box-shadow: 0 0 0 4px rgba(232,93,117,.12); }
.scroller { overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; scrollbar-color: rgba(47,37,48,.25) transparent; }
.scroller::-webkit-scrollbar { height: 8px; }
.scroller::-webkit-scrollbar-thumb { border-radius: 8px; background: rgba(47,37,48,.22); }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.only-mobile { display: none; }
.only-desktop { display: initial; }
@media (max-width: 860px) {
    .sidebar-layout { grid-template-columns: 1fr; }
    .sidebar-layout__aside { position: static; }
    .definition-list > div { grid-template-columns: 1fr; gap: 4px; }
    .only-mobile { display: initial; }
    .only-desktop { display: none !important; }
}
@media (max-width: 420px) {
    .hero-section, .page-hero, .content-section, .split-story, .desktop-strip, .watch-layout, .browser-support, .desktop-workflow, .keyboard-panel, .catalog-hero, .catalog-tools, .not-found { width: min(calc(100% - 20px), var(--container)); }
    .hero-copy h1, .page-hero h1, .catalog-hero h1 { font-size: 38px; }
    .hero-caption { position: static; margin-top: 10px; background: var(--ink); }
    .work-card--compact { grid-template-columns: 1fr; }
    .work-card--compact .work-card__media { min-height: 180px; }
    .work-card--compact .tag-row { display: flex; }
    .search-box { grid-template-columns: 1fr; }
    .search-box button { min-height: 44px; }
    .category-row__body small { display: none; }
    .footer-grid { gap: 24px; }
}

.site-header.is-scrolled {
    box-shadow: 0 8px 28px rgba(47, 37, 48, .07);
    border-bottom-color: rgba(47, 37, 48, .11);
}
.filter-nav a:focus-visible,
.search-box input:focus-visible,
.search-box button:focus-visible,
.faq-item button:focus-visible,
.back-to-top:focus-visible,
.menu-toggle:focus-visible {
    outline: 3px solid rgba(217, 63, 99, .72);
    outline-offset: 3px;
}
.search-box input:focus {
    border-color: rgba(217, 63, 99, .45);
    box-shadow: 0 0 0 4px rgba(232, 93, 117, .08);
}
.catalog-search:focus-within label { color: var(--berry-strong); }
.primary-nav.is-open { isolation: isolate; }
@media (max-width: 860px) {
    .site-header.is-scrolled { box-shadow: 0 6px 22px rgba(47, 37, 48, .09); }
    .primary-nav.is-open .nav-link { min-height: 46px; }
}