:root {
  --blue: #0066cc;
  --blue-hover: #0071e3;
  --blue-vivid: #007aff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --canvas: #fff;
  --surface: #f5f5f7;
  --line: #dedee2;
  --dark: #1d1d1f;
  --content: 1200px;
  --wide: 1600px;
  --header-height: 56px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue-hover); outline-offset: 3px; }
.nav-shell, .content-shell, .wide-shell { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
.wide-shell { width: min(calc(100% - 48px), var(--wide)); }

.site-header { position: sticky; top: 0; z-index: 30; height: var(--header-height); border-bottom: 1px solid rgba(0,0,0,.08); background: rgba(255,255,255,.88); backdrop-filter: saturate(180%) blur(20px); }
.site-header .nav-shell { display: flex; height: 100%; align-items: center; justify-content: space-between; }
.brand { border-radius: 9px; font-size: 20px; font-weight: 650; letter-spacing: -.04em; transition: opacity .2s ease, transform .25s var(--ease-out); }
.brand:hover { opacity: .7; }
.brand:active { transform: scale(.96); }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 7px 11px; border-radius: 999px; color: var(--muted); font-size: 13px; transition: color .2s ease, background .25s ease, box-shadow .25s ease, transform .25s var(--ease-out); }
.nav-links a:hover { background: rgba(0,0,0,.055); color: var(--ink); }
.nav-links a.active { background: rgba(0,0,0,.075); box-shadow: inset 0 1px 0 rgba(255,255,255,.7); color: var(--ink); }
.nav-links a:active { background: rgba(0,0,0,.1); transform: scale(.95); }
.button { position: relative; display: inline-block; overflow: hidden; padding: 11px 21px; border-radius: 999px; background: linear-gradient(180deg, #1688f8 0%, #0066cc 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 6px 18px rgba(0,102,204,.22); color: #fff; font-size: 15px; transition: filter .25s ease, box-shadow .35s ease, transform .35s var(--ease-out); }
.button::after { position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(120deg, transparent 22%, rgba(255,255,255,.22) 48%, transparent 72%); content: ""; opacity: 0; transform: translateX(-70%); transition: opacity .3s ease, transform .65s var(--ease-out); }
.button:hover { box-shadow: inset 0 1px 0 rgba(255,255,255,.42), 0 9px 24px rgba(0,102,204,.27); filter: saturate(1.08) brightness(1.04); transform: translateY(-1px) scale(1.02); }
.button:hover::after { opacity: 1; transform: translateX(70%); }
.button:active { box-shadow: inset 0 1px 2px rgba(0,0,0,.12), 0 3px 10px rgba(0,102,204,.18); transform: translateY(0) scale(.97); transition-duration: .08s; }
.text-link { padding: 8px 10px; border-radius: 999px; color: var(--blue); font-size: 16px; transition: background .25s ease, transform .25s var(--ease-out); }
.text-link:hover { background: rgba(0,102,204,.07); }
.text-link:active { transform: scale(.97); }
.text-link span { display: inline-block; transition: transform .3s var(--ease-out); }
.text-link:hover span { transform: translateX(4px); }
.kicker { margin: 0; color: var(--muted); font-size: 12px; font-weight: 650; letter-spacing: .05em; }

.home-hero { display: grid; height: calc(100svh - var(--header-height)); min-height: 0; place-items: center; padding: clamp(42px, 7vh, 84px) 0; overflow: hidden; background: #fff; text-align: center; }
.hero-inner { max-width: 1160px; }
.home-hero h1 { margin: 17px 0 0; font-size: clamp(64px, 7.4vw, 112px); font-weight: 750; letter-spacing: -.075em; line-height: .87; }
.home-hero h1 span { display: block; color: var(--ink); }
.home-hero h1 .hero-accent { color: var(--blue-vivid); text-shadow: 0 12px 34px rgba(0,122,255,.14); }
.hero-summary { margin: 30px 0 0; color: var(--muted); font-size: clamp(17px, 1.45vw, 21px); letter-spacing: -.025em; line-height: 1.48; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 28px; }

.type-browser { position: relative; padding: 64px 0 26px; overflow: hidden; }
.type-heading, .section-heading, .archive-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.type-heading { margin-bottom: 20px; }
.type-heading h2, .section-heading h2, .archive-heading h2 { margin: 7px 0 0; font-size: 38px; font-weight: 650; letter-spacing: -.045em; }
.type-rail { display: grid; width: calc(100% - 48px); max-width: none; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; overflow: visible; padding: 0; }
.type-card { position: relative; width: 100%; height: 82px; padding: 0; overflow: hidden; border: 0; border-radius: 10px; background: #111; color: #fff; cursor: pointer; opacity: 1; text-align: left; transition: transform .3s var(--ease-out), box-shadow .3s ease, filter .3s ease; }
.type-card img { width: 100%; height: 100%; object-fit: cover; opacity: .6; transition: opacity .45s, transform .7s var(--ease-out); }
.type-card::after { position: absolute; inset: 0; background: rgba(0,0,0,.6); content: ""; transition: background .3s ease; }
.type-card span { position: absolute; z-index: 1; inset: 0; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 14px; text-align: center; }
.type-card svg { width: 22px; height: 22px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.type-card b { font-size: clamp(15px, 1.3vw, 19px); font-weight: 700; letter-spacing: -.03em; text-shadow: 0 1px 10px rgba(0,0,0,.28); white-space: nowrap; }
.type-card:hover img { opacity: .7; transform: scale(1.04); }
.type-card:hover::after, .type-card.active::after { background: rgba(0,0,0,.52); }
.type-card.active { box-shadow: 0 7px 18px rgba(0,0,0,.16); transform: translateY(-1px); }
.type-card-all { background: linear-gradient(rgba(15,15,16,.48), rgba(15,15,16,.76)), url("images/韩嫣-作品集-48.jpg") center/cover; }
.type-card-all span { inset: 0; display: flex; }

.featured-section { padding-top: 34px; padding-bottom: 112px; }
.projects-archive { padding-top: 88px; padding-bottom: 112px; }
.section-heading { margin-bottom: 28px; }
.featured-section .section-heading { align-items: center; }
.featured-label { margin: 0; color: var(--muted); font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.work-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px 18px; }
.work-card { min-width: 0; content-visibility: auto; contain-intrinsic-size: 300px; }
.work-cover { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 10px; background: var(--surface); }
.work-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s var(--ease-out), filter .35s ease; }
.work-open { position: absolute; top: 12px; right: 12px; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.94); opacity: 0; font-size: 12px; font-weight: 600; transform: translateY(-5px); transition: opacity .25s, transform .3s var(--ease-out); }
.work-meta { padding: 12px 2px 0; }
.work-meta h3 { margin: 0; overflow: hidden; font-size: 16px; font-weight: 650; letter-spacing: -.02em; text-overflow: ellipsis; white-space: nowrap; }
.work-meta p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.work-card:hover .work-cover img { filter: brightness(.96); transform: scale(1.025); }
.work-card:hover .work-open { opacity: 1; transform: translateY(0); }

.capability-section { padding: 100px 0; background: var(--dark); color: #fff; }
.capability-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; }
.capability-grid .kicker { color: #999; }
.capability-grid h2 { margin: 12px 0 0; font-size: 46px; font-weight: 650; letter-spacing: -.05em; line-height: 1.08; }
.capability-list { display: grid; grid-template-columns: repeat(2, 1fr); align-self: end; border-top: 1px solid #555; }
.capability-list span { padding: 17px 0; border-bottom: 1px solid #555; color: #ccc; font-size: 14px; }
.home-contact { display: flex; align-items: end; justify-content: space-between; padding-top: 96px; padding-bottom: 96px; }
.home-contact h2 { margin: 10px 0 0; font-size: 46px; font-weight: 650; letter-spacing: -.045em; }
.site-footer { padding: 23px 0 28px; background: var(--surface); color: var(--muted); font-size: 12px; }
.site-footer .nav-shell { display: flex; justify-content: space-between; }
.site-footer p { margin: 0; }
.site-footer div > div { display: flex; gap: 22px; }
.site-footer a { color: var(--ink); }

.archive-types { padding-block: 32px 30px; border-bottom: 1px solid var(--line); background: var(--surface); }
.archive-types .type-heading { margin-bottom: 17px; }
.archive-types .type-rail { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.archive-types .type-card { height: 76px; }
.projects-archive { scroll-margin-top: 72px; }
.archive-heading { align-items: start; margin-bottom: 32px; }

.case-hero { display: block; padding-top: 52px; padding-bottom: 30px; text-align: left; }
.case-hero h1 { margin: 10px 0 0; font-size: clamp(52px, 6vw, 76px); font-weight: 650; letter-spacing: -.06em; line-height: .98; }
.case-summary { display: grid; max-width: none; grid-template-columns: minmax(0, 1.12fr) minmax(440px, .88fr); column-gap: clamp(48px, 8vw, 112px); row-gap: 8px; margin-top: 30px; padding-top: 23px; border-top: 1px solid var(--line); align-items: start; }
.case-subtitle { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.case-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; text-align: left; }
.case-facts div { padding-right: 16px; }
.case-facts div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.case-facts dt { color: var(--muted); font-size: 11px; }
.case-facts dd { margin: 6px 0 0; font-size: 13px; line-height: 1.45; }
.zoom-hint { grid-column: 2; margin: -12px 0 0; color: var(--muted); font-size: 12px; }
.case-cover { display: flex; width: min(calc(100% - 48px), var(--wide)); margin: 0 auto; overflow: hidden; align-items: flex-start; justify-content: center; background: var(--surface); }
.case-cover img { width: auto; max-width: min(100%, 1280px); max-height: min(76svh, 760px); height: auto; cursor: zoom-in; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.case-body { width: min(calc(100% - 48px), var(--wide)); margin-inline: auto; padding: 8px 0 64px; }
.case-media { display: flex; width: 100%; margin: 0 0 8px; overflow: hidden; align-items: flex-start; justify-content: center; background: transparent; }
.case-media img { width: auto; max-width: min(100%, 1280px); max-height: min(76svh, 760px); height: auto; margin-inline: auto; cursor: zoom-in; object-fit: contain; image-rendering: auto; user-select: none; -webkit-user-drag: none; }
.case-media figcaption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.case-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 8px; align-items: start; }
.case-pair .case-media { height: auto; margin: 0; }
.case-pair .case-media img { max-height: min(76svh, 760px); height: auto; }
.case-video video { width: 100%; max-height: 84vh; background: #000; }
.case-video figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; }
.video-placeholder { position: relative; display: grid; min-height: 560px; margin-bottom: 8px; grid-template-rows: auto 1fr; padding: 26px 30px 42px; overflow: hidden; background: #111; color: #fff; }
.video-placeholder::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,0,0,.55), rgba(0,0,0,.78)), var(--poster); background-position: center; background-size: cover; content: ""; transform: scale(1.01); }
.video-placeholder > * { position: relative; }
.video-placeholder > span { font-size: 11px; letter-spacing: .1em; }
.video-placeholder > div { align-self: end; max-width: 580px; }
.video-placeholder h2 { margin: 0; font-size: 40px; letter-spacing: -.04em; }
.video-placeholder p { margin: 12px 0 0; color: #ccc; line-height: 1.55; }
.next-project { display: block; padding: 68px 0; background: var(--surface); }
.next-project h2 { margin: 10px 0 18px; font-size: 50px; letter-spacing: -.05em; }
.next-project span { color: var(--blue); }
dialog { width: 100vw; max-width: none; height: 100dvh; max-height: none; margin: 0; padding: 50px 24px 24px; border: 0; background: rgba(0,0,0,.96); }
dialog::backdrop { background: rgba(0,0,0,.96); }
dialog img { width: auto; max-width: 94vw; max-height: 86vh; margin: auto; object-fit: contain; user-select: none; -webkit-user-drag: none; }
dialog p { margin: 10px 0 0; color: rgba(255,255,255,.7); font-size: 12px; text-align: center; }
dialog button { position: fixed; z-index: 2; top: 14px; right: 18px; width: 40px; height: 40px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; cursor: pointer; font-size: 25px; }

@keyframes profile-in { to { opacity: 1; transform: translateY(0); } }

.about-a-hero { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: clamp(64px, 9vw, 132px); min-height: max(620px, calc(100svh - var(--header-height))); padding-top: 72px; padding-bottom: 76px; align-items: center; }
.about-a-copy { max-width: 760px; opacity: 0; transform: translateY(12px); animation: profile-in .72s var(--ease-out) .08s forwards; }
.about-a-copy h1 { margin: 18px 0 0; font-size: clamp(58px, 6vw, 78px); font-weight: 650; letter-spacing: -.065em; line-height: 1; }
.about-a-role { margin: 14px 0 0; color: var(--ink); font-size: 23px; font-weight: 550; letter-spacing: -.035em; }
.about-a-intro { max-width: 680px; margin: 25px 0 0; color: var(--muted); font-size: 17px; letter-spacing: -.02em; line-height: 1.65; }
.about-a-links { display: flex; gap: 8px; margin-top: 25px; }
.about-a-portrait { position: relative; width: 240px; aspect-ratio: 4 / 5; margin: 0; justify-self: end; overflow: hidden; border-radius: 14px; background: var(--surface); opacity: 0; transform: translateY(12px); animation: profile-in .72s var(--ease-out) .16s forwards; }
.about-a-portrait::after { position: absolute; inset: 0; border: 1px solid rgba(0,0,0,.06); border-radius: inherit; content: ""; pointer-events: none; }
.about-a-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 12%; }
.about-a-statement { padding: 96px 0 100px; background: #fafafc; text-align: center; }
.about-a-statement h2 { max-width: 900px; margin: 16px auto 0; font-size: clamp(38px, 4.2vw, 58px); font-weight: 600; letter-spacing: -.055em; line-height: 1.08; }
.about-a-statement h2 span { display: block; }
.about-a-focus { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; margin-top: 35px; }
.about-a-focus span { color: var(--muted); font-size: 14px; }
.about-a-experience { display: grid; grid-template-columns: .55fr 1.45fr; gap: 88px; padding-top: 94px; padding-bottom: 102px; }
.about-a-experience header h2 { margin: 9px 0 0; font-size: 38px; letter-spacing: -.045em; }
.about-a-experience header > p:last-child { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.experience-list { border-top: 1px solid var(--ink); }
.experience-row { border-bottom: 1px solid var(--line); }
.experience-row summary { display: grid; grid-template-columns: 120px 1fr 26px; gap: 22px; padding: 25px 0; align-items: center; cursor: pointer; list-style: none; }
.experience-row summary::-webkit-details-marker { display: none; }
.experience-row time { color: var(--muted); font-size: 12px; }
.experience-row h3 { margin: 0; font-size: 18px; letter-spacing: -.02em; }
.experience-row summary p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.experience-toggle { color: var(--muted); font-size: 19px; text-align: right; transition: color .25s ease, transform .35s var(--ease-out); }
.experience-row summary:hover .experience-toggle { color: var(--blue); }
.experience-row[open] .experience-toggle { color: var(--blue); transform: rotate(45deg); }
.experience-detail { padding: 0 48px 25px 142px; }
.experience-detail p { max-width: 650px; margin: 0; color: #515154; font-size: 14px; line-height: 1.62; }
.about-a-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; padding-top: 74px; padding-bottom: 84px; border-top: 1px solid var(--line); }
.about-a-meta article { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; }
.about-a-meta h2 { margin: 9px 0 22px; font-size: 26px; letter-spacing: -.035em; }
.about-a-meta article > p:not(.kicker) { margin: 0; font-size: 14px; line-height: 1.65; }
.about-a-meta .about-a-muted { margin-top: 13px !important; color: var(--muted); font-size: 12px !important; }
.about-a-email { display: block; overflow: hidden; margin-top: 14px; color: var(--blue); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.about-a-email span { display: inline-block; transition: transform .3s var(--ease-out); }
.about-a-email:hover span { transform: translate(3px, -3px); }
.about-a-meta article:last-child > p { margin-top: 0 !important; color: var(--muted); }
.about-a-meta article:last-child > p a { color: var(--ink); }
.wechat-contact { position: relative; display: inline-block; color: var(--ink); cursor: default; }
.wechat-qr { position: absolute; z-index: 5; bottom: calc(100% + 14px); left: 0; display: grid; width: 224px; padding: 12px; border: 1px solid rgba(0,0,0,.08); border-radius: 16px; background: rgba(255,255,255,.96); box-shadow: 0 16px 42px rgba(0,0,0,.14); opacity: 0; pointer-events: none; transform: translateY(6px) scale(.97); transform-origin: bottom left; transition: opacity .22s ease, transform .3s var(--ease-out); }
.wechat-qr img { width: 200px; aspect-ratio: 1; border-radius: 8px; background: #fff; }
.wechat-qr small { margin-top: 7px; color: var(--muted); font-size: 10px; text-align: center; }
.wechat-contact:hover .wechat-qr, .wechat-contact:focus-visible .wechat-qr { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.about-a-meta article:last-child .wechat-qr { right: 0; left: auto; transform-origin: bottom right; }

.motion-ready .hero-reveal { opacity: 0; filter: blur(5px); transform: translateY(16px); }
.motion-ready body.is-loaded .hero-reveal { opacity: 1; filter: blur(0); transform: translateY(0); transition: opacity .8s var(--ease-out) var(--reveal-delay,0ms), filter .8s var(--ease-out) var(--reveal-delay,0ms), transform .8s var(--ease-out) var(--reveal-delay,0ms); }
.motion-ready .reveal { opacity: 0; transform: translateY(22px); }
.motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity .7s var(--ease-out) var(--reveal-delay,0ms), transform .7s var(--ease-out) var(--reveal-delay,0ms); }
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: .2s ease both page-out; }
::view-transition-new(root) { animation: .4s var(--ease-out) both page-in; }
@keyframes page-out { to { opacity: 0; } }
@keyframes page-in { from { opacity: 0; transform: translateY(6px); } }

@media (max-width: 1100px) {
  .work-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-body { width: min(calc(100% - 40px), 1400px); }
}

@media (max-width: 900px) {
  .nav-shell, .content-shell, .wide-shell { width: min(calc(100% - 40px), var(--content)); }
  .type-rail { width: calc(100% - 40px); grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .archive-types .type-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .home-hero h1 { font-size: clamp(54px, 9vw, 72px); }
  .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-grid { grid-template-columns: 1fr; gap: 44px; }
  .capability-list { max-width: 680px; }
  .case-hero { padding-top: 48px; padding-bottom: 30px; }
  .case-summary { grid-template-columns: 1fr; gap: 22px; margin-top: 25px; }
  .zoom-hint { grid-column: auto; margin-top: -8px; }
  .case-pair .case-media { height: auto; }
  .archive-heading { align-items: start; flex-direction: column; gap: 18px; }
  .about-a-hero { grid-template-columns: 1fr; gap: 42px; min-height: calc(100svh - var(--header-height)); padding-top: 70px; }
  .about-a-portrait { width: 220px; justify-self: start; }
  .about-a-experience { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 560px) {
  .nav-shell, .content-shell, .wide-shell { width: min(calc(100% - 28px), var(--content)); }
  :root { --header-height: 52px; }
  .brand { font-size: 18px; }
  .nav-links { gap: 1px; }
  .nav-links a { padding: 6px 8px; font-size: 12px; }
  .home-hero { padding: 44px 0; }
  .home-hero h1 { font-size: clamp(42px, 12vw, 54px); }
  .hero-summary { max-width: 320px; margin-inline: auto; font-size: 17px; line-height: 1.55; }
  .type-browser { padding: 44px 0 22px; }
  .type-heading h2, .section-heading h2, .archive-heading h2 { font-size: 34px; }
  .type-rail { width: calc(100% - 28px); grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .type-card { height: 78px; border-radius: 9px; }
  .type-card span { gap: 7px; padding-inline: 9px; }
  .type-card svg { width: 19px; height: 19px; }
  .type-card b { font-size: 14px; }
  .featured-section { padding-top: 26px; padding-bottom: 82px; }
  .projects-archive { padding-top: 64px; padding-bottom: 82px; }
  .section-heading { align-items: start; flex-direction: column; gap: 15px; }
  .featured-section .section-heading { align-items: center; flex-direction: row; gap: 15px; }
  .work-grid { grid-template-columns: 1fr; gap: 30px; }
  .work-cover { border-radius: 9px; }
  .work-meta { padding-top: 11px; }
  .work-meta h3 { font-size: 17px; }
  .capability-section { padding: 76px 0; }
  .capability-grid h2, .home-contact h2 { font-size: 38px; }
  .capability-list { grid-template-columns: 1fr; }
  .home-contact { align-items: start; flex-direction: column; gap: 28px; padding-top: 76px; padding-bottom: 76px; }
  .site-footer .nav-shell { display: block; }
  .site-footer div > div { margin-top: 12px; }
  .archive-types { padding-block: 24px; }
  .archive-types .type-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-types .type-card { height: 74px; }
  .case-hero { padding-top: 38px; padding-bottom: 24px; text-align: left; }
  .case-hero h1 { font-size: 46px; }
  .case-subtitle { margin-inline: 0; font-size: 16px; }
  .case-facts { grid-template-columns: 1fr; margin-top: 24px; text-align: left; }
  .case-facts div { padding: 13px 0; }
  .case-facts div + div { border-top: 1px solid var(--line); border-left: 0; }
  .zoom-hint { margin-top: 18px; }
  .case-cover { width: calc(100% - 28px); }
  .case-body { width: calc(100% - 28px); padding-top: 6px; padding-bottom: 52px; }
  .case-media { margin-bottom: 10px; }
  .case-cover img,
  .case-media img,
  .case-pair .case-media img { max-height: 72svh; }
  .case-pair { grid-template-columns: 1fr; gap: 6px; margin-bottom: 6px; }
  .case-pair .case-media { height: auto; }
  .case-pair .case-media img { height: auto; }
  .video-placeholder { min-height: 460px; padding: 20px; }
  .video-placeholder h2 { font-size: 33px; }
  .next-project { padding: 62px 0; }
  .next-project h2 { font-size: 40px; }
  dialog { padding: 54px 12px 18px; }
  .about-a-hero { gap: 36px; padding-top: 56px; padding-bottom: 62px; }
  .about-a-copy h1 { font-size: 52px; }
  .about-a-role { margin-top: 11px; font-size: 19px; }
  .about-a-intro { margin-top: 20px; font-size: 16px; }
  .about-a-links { margin-top: 20px; }
  .about-a-portrait { width: 180px; border-radius: 11px; }
  .about-a-statement { padding: 72px 0 76px; background: #fafafc; }
  .about-a-statement h2 { font-size: clamp(25px, 7.7vw, 30px); }
  .about-a-focus { gap: 9px 18px; margin-top: 27px; }
  .about-a-experience { gap: 31px; padding-top: 70px; padding-bottom: 78px; }
  .about-a-experience header h2 { font-size: 34px; }
  .experience-row summary { grid-template-columns: 1fr 24px; gap: 8px 12px; padding: 22px 0; }
  .experience-row time { grid-column: 1; }
  .experience-row summary > div { grid-column: 1; }
  .experience-toggle { grid-column: 2; grid-row: 1 / span 2; }
  .experience-row h3 { font-size: 17px; }
  .experience-detail { padding: 0 24px 22px 0; }
  .about-a-meta { grid-template-columns: 1fr; gap: 48px; padding-top: 64px; padding-bottom: 72px; }
  .about-a-meta article:last-child .wechat-qr { right: auto; left: 50%; transform-origin: bottom center; }
  .wechat-contact:hover .wechat-qr, .wechat-contact:focus-visible .wechat-qr { transform: translate(-50%, 0) scale(1); }
}

@media (max-height: 600px) and (orientation: landscape) {
  .home-hero { padding-block: 24px; }
  .home-hero h1 { font-size: clamp(38px, 6.2vw, 52px); }
  .hero-summary { margin-top: 16px; font-size: 16px; }
  .hero-actions { margin-top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .motion-ready .hero-reveal, .motion-ready .reveal { opacity: 1; filter: none; transform: none; }
}