/* VenturesLab 创业工场 — d04. One dark room; the firm's pictures, the plates and the paintings are the lit things.
   The accent is the green of the firm's seal and goes on the one action and the seal. */

@font-face { font-family: 'Boska'; src: url('fonts/boska-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Boska'; src: url('fonts/boska-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
/* Boska's plus sign is set at x-height and reads as a bar in "100+"; the figures take it from a system face.
   Declared after the Boska files so it wins for this one character. */
@font-face { font-family: 'Boska'; src: local('Helvetica Neue'), local('Arial'), local('Noto Sans'), local('DejaVu Sans'), local('Liberation Sans'), local('PingFang SC'), local('Microsoft YaHei'); font-weight: 400; unicode-range: U+002B; }
@font-face { font-family: 'Boska'; src: local('Helvetica Neue'), local('Arial'), local('Noto Sans'), local('DejaVu Sans'), local('Liberation Sans'), local('PingFang SC'), local('Microsoft YaHei'); font-weight: 500; unicode-range: U+002B; }

:root {
  --bg: #0d100d;
  --surface: #181c18;
  --surface-2: #232823;
  --paper: #ecedea;
  --paper-ink: #151815;
  --ink: #eceee7;
  --muted: #a7aca2;
  --accent: #5aab3d;
  --accent-ink: #0b0e0b;

  --cjk-serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "SimSun", serif;
  --cjk-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Source Han Sans CN", sans-serif;
  --font-display: "Boska", var(--cjk-serif);
  --font-text: "Boska", var(--cjk-sans);

  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1rem + 1.1vw, 2rem);
  --step-head: clamp(2.5rem, 1.4rem + 4.4vw, 5.25rem);
  --step-display: min(13vw, 22svh);

  --margin: clamp(1rem, 2.2vw, 2rem);
  --gutter: clamp(1rem, 1.7vw, 1.5rem);
  --section: clamp(6rem, 11vw, 11rem);
  --radius: 0;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
}
.lang-zh { --font-text: var(--cjk-sans); }
.lang-en { --step-display: min(10.5vw, 19svh); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-text); font-size: var(--step-body); line-height: 1.6; font-kerning: normal; -webkit-font-smoothing: antialiased; }
.lang-zh body { line-height: 1.85; letter-spacing: 0.02em; }
.lang-en body { font-weight: 500; }
.lang-en h1, .lang-en h2, .lang-en h3, .lang-en .wk-name, .lang-en .cities-say { font-weight: 400; }
.hero-lines, .wk-name, .co-name, .lead, .head, .display-2 { font-variant-numeric: lining-nums; }
h1, h2, h3, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; object-position: var(--pos, 50% 50%); }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 0.06em; }
button, input { font: inherit; color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
:target { scroll-margin-top: 12vh; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; text-wrap: balance; }
.lang-en h1, .lang-en h2 { letter-spacing: -0.02em; }
.lang-zh h1, .lang-zh h2, .lang-zh h3 { letter-spacing: 0.04em; }
.head { font-size: var(--step-head); line-height: 1.02; }
.lang-zh .head { line-height: 1.15; }
.display-2 { font-size: var(--step-display); line-height: 0.95; }
.lang-zh .display-2 { line-height: 1.05; }
.lead { font-size: var(--step-lead); line-height: 1.3; }
.lang-zh .lead { line-height: 1.5; }
.small { font-size: var(--step-small); line-height: 1.5; }
.muted { color: var(--muted); }
p { text-wrap: pretty; }

.prose p:empty { display: none; }
.prose p + p, .prose p + ul, .prose ul + p, .prose ol + p, .prose p + ol { margin-top: 1em; }
.prose ol { list-style: decimal; padding-left: 1.4em; }
.prose ol li + li { margin-top: 0.5em; }
.prose a { color: var(--ink); text-decoration-color: var(--accent); }

.skip { position: absolute; left: var(--margin); top: -4rem; z-index: 10; background: var(--accent); color: var(--accent-ink); padding: 0.6rem 1rem; text-decoration: none; }
.skip:focus { top: 0.75rem; }

/* ---------- buttons ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: 0 1.6rem; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--radius); font-family: var(--font-text); font-size: var(--step-body); letter-spacing: 0.02em; text-decoration: none; white-space: nowrap; cursor: pointer; transition: transform 140ms var(--ease-out), background-color 180ms ease; }
.button:hover { background: #6cbd4e; }
.button:active { transform: scale(0.97); }
.button-quiet { background: var(--surface-2); color: var(--ink); }
.button-quiet:hover { background: #2e352e; }

/* ---------- bar ---------- */
.bar { display: flex; align-items: center; justify-content: flex-end; gap: clamp(1rem, 2vw, 2rem); padding: 1.25rem var(--margin); font-size: var(--step-small); position: relative; z-index: 3; }
.page-home .bar { position: absolute; top: 0; left: 0; right: 0; }
.brand { display: block; background: var(--paper); padding: 6px 10px; transition: transform 180ms var(--ease-out); }
.brand:hover { transform: translateY(-2px); }
.brand-crop { display: block; position: relative; width: 132px; height: 39px; overflow: hidden; }
.brand-crop img { position: absolute; width: 121.2%; max-width: none; left: -14.4%; top: -90%; }
.nav ul { display: flex; gap: clamp(1rem, 2vw, 1.75rem); }
.nav a, .lang { padding: 0.5rem 0; text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 2px; text-underline-offset: 0.45em; transition: text-decoration-color 200ms ease; }
.nav a:hover, .lang:hover, .nav a[aria-current] { text-decoration-color: var(--accent); }
.lang { font-family: var(--font-text); }

/* ---------- lit things ---------- */
.lit img { filter: brightness(0.9) contrast(1.04); }
figure.lit figcaption, .hero-cap { color: var(--muted); margin-top: 0.6rem; }
.plaque { display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; background: var(--paper); aspect-ratio: 16 / 10; padding: 1.5rem 2rem; overflow: hidden; }
.plaque img { width: 100%; height: 100%; object-fit: scale-down; }
.plaque-dark { background: var(--surface-2); }
.plaque:not(.plaque-dark) img { mix-blend-mode: multiply; }
.plaque-name span { font-family: var(--font-display); font-size: var(--step-lead); color: var(--paper-ink); }

/* ---------- hero ---------- */
.hero { position: relative; height: 100svh; min-height: 34rem; overflow: clip; isolation: isolate; container-type: size; }
.hero-media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, 50% 60%); filter: brightness(0.52) contrast(1.08) saturate(0.85); }
.hero-title {
  --size: var(--step-display);
  --top: 5.5rem; --bottom: 1.25rem;
  --L: calc(100cqh - var(--top) - var(--bottom) - var(--size));
  position: absolute; left: var(--margin); right: var(--margin);
  top: calc(var(--top) - (var(--L) - var(--size)) / 2);
  margin: 0; font-size: var(--size); line-height: var(--L);
  text-align: left; text-align-last: right; word-break: keep-all; overflow-wrap: normal; text-wrap: wrap;
}
.lang-zh .hero-title { letter-spacing: 0.02em; }
.hero-title .ln { display: inline-block; overflow: hidden; line-height: 1.12; vertical-align: middle; padding: 0 0.04em 0.06em; }
.hero-title .ln-in { display: inline-block; }
.hero-copy { position: absolute; left: 30vw; top: 36%; max-width: 46ch; display: grid; gap: 1.5rem; justify-items: start; }
.hero-lines { font-size: var(--step-body); line-height: 1.55; display: grid; gap: 0.15rem; font-weight: 500; }
.hero-cap { position: absolute; left: var(--margin); bottom: 1.25rem; margin: 0; max-width: 24ch; }

/* ---------- cities: the rally sentence holds while the three offices pass ---------- */
.cities { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin) 0; }
.cities-pin { grid-column: 1 / 6; position: sticky; top: 0; height: 100svh; display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; align-self: start; }
.cities-h { color: var(--muted); }
.cities-say { font-family: var(--font-display); font-size: var(--step-lead); line-height: 1.35; max-width: 16em; }
.lang-zh .cities-say { line-height: 1.6; max-width: 12.5em; }
.cities-photos { grid-column: 6 / 13; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 10svh; padding-block: 12svh 6svh; }
.cp img { width: 100%; object-fit: cover; }
.cp-1 { grid-column: 2 / 7; } .cp-1 img { aspect-ratio: 4 / 5; }
.cp-2 { grid-column: 1 / 8; } .cp-2 img { aspect-ratio: 16 / 10; }
.cp-3 { grid-column: 3 / 7; } .cp-3 img { aspect-ratio: 1; }

/* ---------- strategy ---------- */
.strategy { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin) 0; align-items: start; }
.strategy-h { grid-column: 1 / 6; position: sticky; top: 2rem; }
.strategy-list { grid-column: 6 / 13; display: grid; gap: 3.5rem; padding-top: 0.6rem; }
.st { display: grid; grid-template-columns: minmax(0, 17rem) minmax(0, 1fr); gap: var(--gutter) calc(var(--gutter) * 2); align-items: center; }
.st-flip { grid-template-columns: minmax(0, 1fr) minmax(0, 17rem); }
.st-flip figure { order: 2; }
.st h3 { max-width: 16em; }
.st-text p { margin-top: 1rem; max-width: 26em; }
.st figure > img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; }

/* ---------- work: big names, the active logo lit ---------- */
.work { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin) 0; }
.work-h { grid-column: 1 / -1; margin-bottom: 3rem; }
.work-h a { text-decoration: none; }
.work-list { grid-column: 1 / -1; position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
.wk { grid-column: 1 / 9; }
.wk .plaque { visibility: hidden; position: absolute; top: 50%; right: 0; transform: translateY(-50%); width: calc((100% - 11 * var(--gutter)) / 12 * 4 + 3 * var(--gutter)); aspect-ratio: 3 / 4; padding: 3rem 2.5rem; opacity: 0; transition: opacity 260ms ease; pointer-events: none; }
.wk.is-active .plaque { opacity: 1; visibility: visible; }
.wk-link { display: block; padding: 0.1rem 0; text-decoration: none; color: var(--muted); transition: color 200ms ease; }
.wk-name { font-family: var(--font-display); font-size: var(--step-head); line-height: 1.3; }
.lang-en .wk-name { letter-spacing: -0.02em; }
.wk.is-active .wk-link, .wk-link:hover, .wk-link:focus-visible { color: var(--ink); }
.work-more { grid-column: 1 / -1; margin-top: 3rem; }

/* ---------- the founder's letter ---------- */
.letter { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin) 0; align-items: start; }
.letter-portrait { grid-column: 8 / 13; grid-row: 1; position: sticky; top: 6vh; }
.letter-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 35%; }
.letter-text { grid-column: 1 / 7; grid-row: 1; }
.letter-body { margin-top: 2.5rem; max-width: 34em; }
.lang-zh .letter-body { max-width: 32em; }
.letter-body ul { margin: 1.75rem 0; display: grid; gap: 1rem; }
.letter-body ul p, .letter-body p.q { font-family: var(--font-display); font-size: var(--step-lead); line-height: 1.4; }
.letter-body p.q + p.q { margin-top: 0.75rem; }
.letter-sign { display: flex; align-items: center; gap: 1.5rem; margin-top: 3rem; }
.letter-sign p { line-height: 1.6; }
.seal-crop { display: block; position: relative; width: 6rem; height: 6rem; overflow: hidden; background: var(--paper); flex: none; transform: rotate(-3deg); }
.seal-crop img { position: absolute; max-width: none; width: 444%; left: -57.5%; top: -101%; }

/* ---------- sayings: the picture holds, the sayings pass ---------- */
.sayings { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin) 0; align-items: start; }
.say-pics { grid-column: 1 / 6; position: sticky; top: 10vh; aspect-ratio: 4 / 5; max-height: 80vh; }
.say-pic { position: absolute; inset: 0; display: flex; flex-direction: column; opacity: 0; visibility: hidden; transition: opacity 320ms ease, visibility 0s 320ms; }
.say-pic.is-active { opacity: 1; visibility: visible; transition: opacity 320ms ease; }
.say-pic img { flex: 1; min-height: 0; width: 100%; object-fit: var(--fit, cover); object-position: var(--pos, 50% 50%); }
.say-list { grid-column: 7 / 12; }
.say-items { margin-top: 3rem; display: grid; gap: 3.5rem; }
.say { color: var(--muted); transition: color 260ms ease; outline: none; }
.say.is-active { color: var(--ink); }
.say h3 { margin-bottom: 0.75rem; }
.say blockquote p { max-width: 32em; }
.say-pic-inline { display: none; }

/* ---------- the seal: the visitor's company, cut in the firm's green ---------- */
.sealer { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: var(--section) var(--margin); align-items: center; }
.sealer-col { grid-column: 1 / 7; }
.sealer-prompt { margin-top: 1.5rem; max-width: 22em; color: var(--muted); }
.sealer-form { margin-top: 2.5rem; max-width: 36rem; }
.sealer-form label { display: block; font-size: var(--step-small); color: var(--muted); margin-bottom: 0.5rem; }
.sealer-row { display: flex; }
.sealer-row input { flex: 1; min-width: 0; height: 4rem; padding: 0 1.1rem; background: var(--paper); color: var(--paper-ink); border: 0; border-radius: 0; font-size: 1.25rem; outline: none; }
.sealer-row input:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.sealer-row .button { min-height: 4rem; }
.sealer-note { margin-top: 1rem; color: var(--muted); max-width: 30em; font-size: var(--step-body); }
.sealer-fig { grid-column: 8 / 13; justify-self: center; width: min(100%, 26rem); }
.seal { display: block; width: 100%; height: auto; overflow: visible; transform: rotate(-2.5deg); }
.seal-ground { fill: var(--accent); }
.seal text { fill: var(--paper); font-family: var(--cjk-serif); font-weight: 600; text-anchor: middle; dominant-baseline: central; }
.seal text.latin { font-family: "Boska", var(--cjk-serif); font-weight: 500; letter-spacing: 0.04em; }
.seal.is-pressed { animation: press 420ms var(--ease-out); }
@keyframes press { 40% { transform: rotate(-2.5deg) scale(0.93); } }

/* ---------- portfolio: every name at poster size, then every company in full ---------- */
.pf { padding: 2rem var(--margin) 0; }
.pf-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end; }
.pf-head h1 { grid-column: 1 / 8; }
.pf-intro { grid-column: 8 / 13; max-width: 30em; }
.pf-wall { margin-top: var(--section); display: flex; flex-wrap: wrap; column-gap: 0.6em; row-gap: 0.1em; font-family: var(--font-display); font-size: var(--step-head); line-height: 1.3; }
.lang-en .pf-wall { letter-spacing: -0.02em; column-gap: 0.5em; }
.pf-wall a { text-decoration: none; transition: color 180ms ease; }
.pf-wall li:nth-child(even) a { color: var(--muted); }
.pf-wall a:hover, .pf-wall a:focus-visible { color: var(--accent); }
.pf-list { margin-top: var(--section); display: grid; gap: 5rem; }
.co { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: start; }
.co .plaque { grid-column: 1 / 5; }
.co-text { grid-column: 6 / 12; }
.co-field { color: var(--muted); margin-top: 0.25rem; }
.co-body { margin-top: 1.25rem; max-width: 36em; }

/* ---------- team ---------- */
.team { padding: 2rem var(--margin) 0; }
.team-h { max-width: 12em; }
.people { margin-top: 4rem; display: grid; gap: var(--section); }
.person { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: start; }
.person-photo { grid-column: 1 / 6; }
.person-text { grid-column: 7 / 13; }
.person-flip .person-photo { grid-column: 8 / 13; }
.person-flip .person-text { grid-column: 1 / 7; grid-row: 1; }
.person-photo { position: sticky; top: 2rem; }
.bio { max-width: 34em; }
.person-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%; }
.role { color: var(--muted); margin-top: 0.5rem; }
.bio { margin-top: 2rem; }
.backed { margin-top: 2.5rem; }
.backed ul { margin-top: 0.75rem; display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: var(--gutter); }
.backed a { display: grid; gap: 0.5rem; text-decoration: none; }
.backed .plaque { transition: transform 200ms var(--ease-out); }
.backed a:hover .plaque { transform: translateY(-3px); }

/* ---------- offices ---------- */
.offices { padding: var(--section) var(--margin) 0; }
.office-list { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.office figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.office h3 { margin-top: 1.5rem; }
.office p { margin-top: 0.75rem; max-width: 26em; }

/* ---------- contact ---------- */
.ct { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); padding: 2rem var(--margin) 0; align-items: center; min-height: calc(100svh - 6rem); }
.ct-text { grid-column: 1 / 9; }
.ct-ways { margin-top: 3rem; display: grid; gap: 1.75rem; }
.ct-ways div { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); align-items: baseline; gap: var(--gutter); }
.ct-ways dt { color: var(--muted); }
.ct-ways dd { font-size: var(--step-lead); line-height: 1.4; }
.ct-ways dd .muted { font-size: var(--step-body); }
.ct-ways a { text-decoration-color: var(--accent); }
.ct-action { margin-top: 2.5rem; }
.ct-qr { grid-column: 9 / 13; justify-self: center; width: min(100%, 22rem); }
.ct-qr img { width: 100%; background: #fff; padding: 6%; }
.ct-qr figcaption { color: var(--muted); margin-top: 0.75rem; }

/* ---------- footer ---------- */
.foot { display: grid; grid-template-columns: 1fr auto 1fr; align-items: baseline; gap: 1rem 2rem; padding: 6rem var(--margin) 1.75rem; font-size: var(--step-small); color: var(--muted); }
.foot-nav ul { display: flex; gap: 1.5rem; }
.foot-nav a { color: var(--ink); text-decoration: none; }
.foot-nav a:hover { text-decoration: underline; }
.foot-legal { justify-self: end; }
.credits { grid-column: 1 / -1; }
.credits summary { cursor: pointer; color: var(--ink); width: max-content; }
.credits ul { margin-top: 0.75rem; display: grid; gap: 0.25rem; max-width: 46em; }
.credits a { color: var(--ink); text-decoration-color: var(--muted); }

/* ---------- tablet ---------- */
@media (max-width: 1099px) {
  .hero-copy { left: var(--margin); right: var(--margin); top: 44%; }
  .cities-pin { grid-column: 1 / -1; position: static; height: auto; padding-bottom: 4rem; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
  .cities-h { grid-column: 1 / 6; }
  .cities-say, .lang-zh .cities-say { grid-column: 6 / 13; max-width: none; }
  .cities-photos { grid-column: 1 / -1; grid-template-columns: repeat(12, minmax(0, 1fr)); row-gap: 3rem; padding: 0; }
  .cp-1 { grid-column: 1 / 8; } .cp-2 { grid-column: 4 / 13; } .cp-3 { grid-column: 1 / 7; }
  .strategy-h { grid-column: 1 / -1; position: static; margin-bottom: 3rem; }
  .strategy-list { grid-column: 1 / -1; gap: 5rem; }
  .work-list { display: block; }
  .wk .plaque { position: static; transform: none; width: 100%; aspect-ratio: 16 / 9; opacity: 1; visibility: visible; padding: 1.5rem 3rem; }
  .wk + .wk { margin-top: 2.5rem; }
  .wk-link { color: var(--ink); padding-top: 0.75rem; }
  .letter-portrait { grid-column: 6 / 13; grid-row: 1; position: static; }
  .letter-text { grid-column: 1 / -1; grid-row: 2; margin-top: 3rem; }
  .sayings { display: block; }
  .say-pics { display: none; }
  .say-pic-inline { display: block; margin-bottom: 1.5rem; }
  .say-pic-inline img { width: 100%; aspect-ratio: 4 / 3; object-fit: var(--fit, cover); object-position: var(--pos, 50% 50%); }
  .say { color: var(--ink); }
  .sealer-col { grid-column: 1 / -1; }
  .sealer-fig { grid-column: 1 / -1; justify-self: start; width: min(70%, 22rem); margin-top: 4rem; }
  .pf-head h1, .pf-intro { grid-column: 1 / -1; }
  .pf-intro { margin-top: 2rem; }
  .co .plaque { grid-column: 1 / 6; }
  .co-text { grid-column: 7 / 13; }
  .person-photo, .person-flip .person-photo { grid-column: 1 / 7; position: static; }
  .person-text, .person-flip .person-text { grid-column: 1 / -1; grid-row: auto; margin-top: 2rem; }
  .person-flip .person-photo { grid-column: 7 / 13; }
  .ct-text { grid-column: 1 / -1; }
  .ct-qr { grid-column: 1 / -1; justify-self: start; margin-top: 3rem; width: min(70%, 20rem); }
  .ct { min-height: 0; }
}

/* ---------- phone ---------- */
@media (max-width: 699px) {
  .bar { flex-wrap: wrap; justify-content: space-between; padding-top: 0.75rem; row-gap: 0.25rem; }
  .nav { order: 3; width: 100%; }
  .nav ul { justify-content: space-between; }
  .hero-title { --top: 7.5rem; --size: min(17vw, 15svh); }
  .lang-en .hero-title { --size: min(11.4vw, 12svh); }
  .hero-copy { top: 40%; gap: 1.25rem; }
  .hero-lines { font-size: 1.0625rem; }
  .hero-cap { display: none; }
  .wk .plaque { aspect-ratio: 2 / 1; padding: 1rem 3rem; }
  .cities-h, .cities-say, .lang-zh .cities-say { grid-column: 1 / -1; }
  .cp-1 { grid-column: 1 / 9; } .cp-2 { grid-column: 3 / 13; } .cp-3 { grid-column: 1 / 8; }
  .st, .st-flip { grid-template-columns: 1fr; }
  .st-flip figure { order: 0; }
  .st figure { width: 72%; }
  .st-flip figure { justify-self: end; }
  .letter-portrait { grid-column: 3 / 13; }
  .co .plaque { grid-column: 1 / 11; margin-bottom: 1.25rem; }
  .co-text { grid-column: 1 / -1; }
  .person-photo { grid-column: 1 / 10; }
  .person-flip .person-photo { grid-column: 4 / 13; }
  .office-list { grid-template-columns: 1fr; gap: 3rem; }
  .office figure { width: 86%; }
  .office:nth-child(2) figure { margin-left: auto; }
  .sealer-row { flex-direction: column; gap: 0.75rem; }
  .sealer-row input { flex: none; }
  .sealer-row .button { width: 100%; }
  .foot { grid-template-columns: 1fr; padding-top: 4.5rem; gap: 0.5rem; }
  .foot-legal { justify-self: start; }
  .foot-nav ul { flex-wrap: wrap; column-gap: 1.25rem; }
}

/* ---------- motion (content stays visible without script and with reduced motion) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero-media img { animation: drift 28s var(--ease-soft) infinite alternate; transform-origin: 60% 55%; }
  .js .hero-title .ln-in { transform: translateY(108%); animation: line-up 1000ms var(--ease-expo) forwards; animation-delay: calc(var(--i, 0) * 110ms + 150ms); }
  .js [data-rise] { opacity: 0; transform: translateY(18px); animation: rise 800ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 300ms); }
  .say-pic.is-active img { animation: drift-small 14s var(--ease-soft) infinite alternate; }
  .plaque img { transition: transform 400ms var(--ease-out); }
  .wk.is-active .plaque img { animation: settle 700ms var(--ease-out); }
}
/* Entrances follow the scroll: each part rises as it enters the screen, the heading first, then its
   text, then its picture. There is no backwards fill, so anything not yet reached stays fully shown;
   browsers without scroll timelines show the page still. */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    [data-reveal] { animation: enter linear forwards; animation-timeline: view(); animation-range: entry calc(var(--i, 0) * 40px) entry calc(260px + var(--i, 0) * 40px); }
  }
}
@keyframes enter { from { opacity: 0; transform: translateY(32px); } to { opacity: 1; transform: none; } }
@keyframes drift { from { transform: scale(1.02) translate(0, 0); } to { transform: scale(1.1) translate(-1.5%, -1%); } }
@keyframes drift-small { from { transform: scale(1); } to { transform: scale(1.04); } }
@keyframes line-up { to { transform: none; } }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes settle { from { transform: translateY(12px) scale(0.98); opacity: 0.4; } to { transform: none; opacity: 1; } }