/* ───────────── Fonts (self-hosted: reliable in mainland China) ───────────── */
@font-face { font-family: "Geist"; src: url("../fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../fonts/geist-mono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/instrument-serif.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/instrument-serif-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }

/* ───────────── Tokens ───────────── */
:root {
  --bg: #08090a;
  --bg-2: #0e0f11;
  --ink: #f2f0eb;
  --ink-2: rgba(242, 240, 235, .64);
  --ink-3: rgba(242, 240, 235, .38);
  --line: rgba(242, 240, 235, .1);
  --line-2: rgba(242, 240, 235, .18);
  --accent: #ff5a36;
  --accent-soft: rgba(255, 90, 54, .16);

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --pad: clamp(20px, 4vw, 56px);
  --max: 1360px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.muted { color: var(--ink-3); }

/* Film grain — subtle texture that keeps flat black from feeling dead */
.grain {
  position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}

/* ───────────── Buttons & links ───────────── */
.btn {
  --h: 48px;
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  height: var(--h); padding: 0 22px; border-radius: 999px;
  background: var(--ink); color: var(--bg);
  font-weight: 500; font-size: 15px; letter-spacing: -.005em;
  overflow: hidden; isolation: isolate; white-space: nowrap;
  transition: transform .5s var(--ease), color .4s var(--ease);
  will-change: transform;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--accent); transform: translateY(101%); transition: transform .5s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn__arrow { display: inline-block; transition: transform .5s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--sm { --h: 38px; padding: 0 16px; font-size: 14px; }
.btn--lg { --h: clamp(60px, 7vw, 84px); padding: 0 clamp(26px, 3vw, 40px); font-size: clamp(16px, 1.7vw, 22px); }

.link { position: relative; color: var(--ink-2); font-size: 15px; transition: color .3s; }
.link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: currentColor;
  transform: scaleX(.3); transform-origin: left; transition: transform .5s var(--ease);
}
.link:hover { color: var(--ink); }
.link:hover::after { transform: scaleX(1); }

/* ───────────── Nav ───────────── */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 72px; padding-inline: var(--pad);
  transition: background .5s, border-color .5s, transform .6s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: rgba(8, 9, 10, .72); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-color: var(--line); }
.nav.is-hidden { transform: translateY(-100%); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.brand__mark { width: 26px; height: 26px; }
.nav__links { display: flex; gap: 32px; font-size: 14px; color: var(--ink-2); }
.nav__links a { transition: color .3s; }
.nav__links a:hover { color: var(--ink); }
.nav__end { display: flex; align-items: center; gap: 18px; }
.lang {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px;
  border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--ink-3);
  font: 400 12px/1 var(--mono); letter-spacing: .04em; cursor: pointer; transition: border-color .3s, color .3s;
}
.lang:hover { border-color: var(--ink-3); color: var(--ink-2); }
.lang i { font-style: normal; opacity: .5; }
.lang span { transition: color .3s; }
.lang span[data-lang="zh"] { font-family: var(--sans); font-size: 13px; }
.lang span.is-on { color: var(--ink); }

/* ───────────── Hero ───────────── */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: 120px; overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8, 9, 10, .82) 0%, rgba(8, 9, 10, .55) 38%, transparent 68%),
    radial-gradient(120% 80% at 70% 40%, transparent 30%, var(--bg) 85%),
    linear-gradient(to bottom, transparent 55%, var(--bg));
}
.hero__inner { position: relative; padding-bottom: clamp(48px, 9vh, 110px); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px; font: 400 13px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }

.hero__title {
  font-weight: 500; font-size: clamp(48px, 9.2vw, 152px); line-height: .94; letter-spacing: -.045em;
  max-width: 14ch;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__title em { font-size: 1.06em; letter-spacing: -.02em; color: var(--ink); }
.hero__sub { margin-top: 32px; max-width: 30ch; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.45; color: var(--ink-2); }
.hero__cta { display: flex; align-items: center; gap: 28px; margin-top: 40px; }

.hero__foot {
  position: relative; display: flex; align-items: center; gap: clamp(20px, 3vw, 48px);
  padding-block: 26px; border-top: 1px solid var(--line);
}
.hero__trusted { font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
.logos { display: flex; align-items: center; gap: clamp(28px, 5vw, 72px); flex-wrap: wrap; }
.logos img { width: auto; height: 22px; filter: brightness(0) invert(1); opacity: .62; transition: opacity .4s; }
.logos img:hover { opacity: 1; }
.logos .logo--ali { height: 19px; }
.logos .logo--tc { height: 17px; }
.hero__scroll { margin-left: auto; display: flex; align-items: center; gap: 12px; font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.hero__scroll i { position: relative; width: 1px; height: 32px; background: var(--line-2); overflow: hidden; }
.hero__scroll i::after { content: ""; position: absolute; inset: 0; background: var(--ink); animation: drip 2.2s var(--ease) infinite; }
@keyframes drip { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* ───────────── Section scaffolding ───────────── */
section { position: relative; }
.label { display: flex; gap: 10px; font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 28px; }
.label span { color: var(--accent); }
.h2 { font-weight: 500; font-size: clamp(40px, 6vw, 96px); line-height: .98; letter-spacing: -.04em; }
.h2 em { font-size: 1.05em; }
.lede { max-width: 44ch; font-size: clamp(16px, 1.3vw, 19px); color: var(--ink-2); }
.section-head { display: grid; gap: 28px; margin-bottom: clamp(48px, 7vw, 96px); }
.section-head--row { grid-template-columns: 1fr auto; align-items: end; }

/* ───────────── Manifesto ───────────── */
.manifesto { padding-block: clamp(120px, 20vw, 260px) clamp(100px, 14vw, 200px); }
.manifesto__text {
  font-weight: 500; font-size: clamp(30px, 4.6vw, 72px); line-height: 1.08; letter-spacing: -.035em; max-width: 22ch;
}
.manifesto__text .w { color: var(--ink); opacity: .14; transition: opacity .25s linear; }
.manifesto__text .w.is-on { opacity: 1; }

/* ───────────── Evidence ───────────── */
.evidence { padding-bottom: clamp(100px, 14vw, 200px); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.stat { position: relative; display: flex; flex-direction: column; gap: 22px; padding: clamp(28px, 3.4vw, 52px); background: var(--bg); transition: background .6s var(--ease); }
.stat:hover { background: var(--bg-2); }
.stat__head { display: flex; justify-content: space-between; gap: 16px; }
.stat__num {
  display: flex; align-items: baseline; font-weight: 500; font-size: clamp(96px, 13vw, 210px); line-height: .85; letter-spacing: -.06em;
  font-variant-numeric: tabular-nums;
}
.stat__num .sign { color: var(--accent); font-weight: 300; margin-right: .04em; }
.stat__num small { margin-left: .18em; font: italic 400 .26em/1 var(--serif); letter-spacing: 0; color: var(--ink-2); }
.stat__cap { max-width: 34ch; color: var(--ink-2); }

/* gap diagram: delta only — absolute values are not published */
.gap { margin-top: auto; padding-top: 18px; }
.gap__track { position: relative; height: 44px; border-top: 1px solid var(--line-2); }
.gap__track::before { content: ""; position: absolute; inset: -4px 0 auto; height: 7px; background: repeating-linear-gradient(90deg, var(--line-2) 0 1px, transparent 1px 10%); }
.gap__fill {
  position: absolute; top: -2px; left: 42.5%; width: var(--w); height: 3px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform 1.4s var(--ease) .4s;
}
.is-in .gap__fill { transform: scaleX(1); }
.gap__pin { position: absolute; top: -7px; width: 1px; height: 22px; background: var(--ink); }
.gap__pin b { position: absolute; top: 28px; font: 500 12px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.gap__pin--ours { left: 42.5%; background: var(--accent); }
.gap__pin--ours b { right: 8px; color: var(--accent); }
.gap__pin--base { left: 57.5%; }
.gap__pin--base b { left: 8px; color: var(--ink-3); }
.gap figcaption { display: flex; justify-content: space-between; margin-top: 4px; }
.gap figcaption span:nth-child(2) { visibility: hidden; }
.gap__fill b { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); color: var(--accent); font-size: 11px; white-space: nowrap; }

.rounds { margin-top: auto; padding-top: 18px; display: grid; gap: 14px; }
.rounds__row { display: grid; grid-template-columns: 64px 1fr; align-items: center; gap: 16px; }
.rounds__ticks { display: grid; gap: 3px; height: 22px; max-width: 300px; }
.rounds__ticks i { border-radius: 2px; background: var(--ink-3); transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease); }
.rounds__ticks i.x { background: var(--accent); }
.rounds__ticks i.ellipsis { background: none; transform: none; color: var(--ink-3); font: 12px/22px var(--mono); text-align: center; }
.is-in .rounds__ticks i { transform: scaleY(1); }
.footnote { margin-top: 22px; text-transform: none; letter-spacing: 0; font-size: 12px; max-width: 80ch; }

/* ───────────── Capabilities ───────────── */
.caps { padding-bottom: clamp(100px, 14vw, 200px); }
.caps__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.cap {
  position: relative; display: flex; flex-direction: column; gap: 14px; min-height: 380px;
  padding: 28px clamp(18px, 2vw, 32px) 32px; border-right: 1px solid var(--line);
  transition: background .6s var(--ease);
}
.cap:first-child { padding-left: 0; }
.cap:last-child { border-right: 0; }
.cap::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease); }
.cap:hover::before { transform: scaleX(1); }
.cap__idx { color: var(--ink-3); }
.cap__icon { width: 44px; height: 44px; margin: 24px 0 0; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke .4s, transform .8s var(--ease); }
.cap:hover .cap__icon { stroke: var(--accent); transform: translateY(-4px); }
.cap h3 { margin-top: auto; padding-top: 40px; font-weight: 500; font-size: clamp(22px, 2vw, 30px); letter-spacing: -.03em; }
.cap p { color: var(--ink-2); font-size: 15px; max-width: 30ch; min-height: calc(1.55em * 3); }
.cap__tag { position: absolute; top: 26px; right: clamp(18px, 2vw, 32px); padding: 6px 9px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); font-size: 10px; }

/* ───────────── Benchmarks ───────────── */
.bench { padding-bottom: clamp(80px, 10vw, 140px); }
.bench__list { border-top: 1px solid var(--line); counter-reset: b; }
.bench__list li {
  position: relative; display: grid; grid-template-columns: 80px 1fr auto; align-items: center; gap: 24px;
  padding: clamp(18px, 2.2vw, 30px) 0; border-bottom: 1px solid var(--line); cursor: default;
}
.bench__list li::before {
  content: ""; position: absolute; inset: 0 calc(var(--pad) * -1); z-index: -1; background: var(--ink);
  transform: scaleY(0); transform-origin: bottom; transition: transform .55s var(--ease);
}
.bench__n { color: var(--ink-3); transition: color .4s; }
.bench__name { font-weight: 500; font-size: clamp(30px, 4.4vw, 68px); line-height: 1; letter-spacing: -.04em; transition: transform .6s var(--ease), color .4s; }
.bench__tag { color: var(--ink-3); transition: color .4s; }
@media (hover: hover) {
  .bench__list li:hover::before { transform: scaleY(1); transform-origin: top; }
  .bench__list li:hover .bench__name { color: var(--bg); transform: translateX(16px); }
  .bench__list li:hover .bench__n, .bench__list li:hover .bench__tag { color: rgba(8, 9, 10, .55); }
}
.bench__list { position: relative; isolation: isolate; }

.marquee { margin-top: clamp(80px, 10vw, 140px); overflow: hidden; border-block: 1px solid var(--line); padding-block: 26px; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee__track { display: flex; align-items: center; gap: 48px; width: max-content; animation: marquee 32s linear infinite; }
.marquee__track span { font: italic 400 clamp(40px, 5vw, 76px)/1 var(--serif); white-space: nowrap; color: var(--ink-2); }
.marquee__track i { font-style: normal; color: var(--accent); font-size: 22px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ───────────── About ───────────── */
.about { padding-block: clamp(100px, 14vw, 200px); }
.about__title { font-weight: 500; font-size: clamp(38px, 5.6vw, 88px); line-height: 1; letter-spacing: -.04em; max-width: 16ch; }
.about__title em { color: var(--accent); }
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 140px); margin-top: clamp(48px, 7vw, 96px); }
.about__body { font-size: clamp(18px, 1.6vw, 23px); line-height: 1.45; color: var(--ink-2); max-width: 36ch; }
.facts { border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--ink-3); padding-top: 3px; }
.facts dd { font-size: 17px; }

/* ───────────── CTA ───────────── */
.cta { overflow: hidden; padding-block: clamp(120px, 18vw, 260px); border-top: 1px solid var(--line); }
.cta__glow {
  position: absolute; left: 50%; bottom: -60%; width: 120vw; height: 100%; transform: translateX(-50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(255, 90, 54, .28), transparent 70%); filter: blur(40px); pointer-events: none;
}
.cta__inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.cta__title { font-weight: 500; font-size: clamp(56px, 11vw, 190px); line-height: .9; letter-spacing: -.055em; margin-bottom: clamp(40px, 5vw, 64px); }
.cta__title em { font-size: 1.06em; color: var(--accent); }

.contact { display: flex; align-items: center; justify-content: center; gap: clamp(24px, 4vw, 56px); }
.contact__or { color: var(--ink-3); }
.wechat { display: flex; align-items: center; gap: 18px; text-align: left; }
.wechat img {
  width: clamp(112px, 10vw, 136px); height: auto; padding: 8px; border-radius: 14px; background: #fff;
  box-shadow: 0 0 0 1px var(--line-2), 0 20px 50px -20px rgba(255, 90, 54, .45);
  transition: transform .6s var(--ease);
}
.wechat:hover img { transform: translateY(-4px) rotate(-1.5deg); }
.wechat figcaption { display: grid; gap: 8px; }
.wechat figcaption .mono { color: var(--accent); }
.wechat figcaption span:last-child { font-size: 15px; color: var(--ink-2); }

.footer { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 28px 36px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-2); }

/* ───────────── Reveal system ───────────── */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1.1s var(--ease) var(--d, 0s), transform 1.1s var(--ease) var(--d, 0s); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-split] { display: inline-block; transform: translateY(110%); transition: transform 1.3s var(--ease) var(--d, .1s); }
.js .is-ready [data-split] { transform: none; }
.js .hero__title .line:nth-child(2) [data-split] { --d: .22s; }

/* ───────────── Responsive ───────────── */
@media (max-width: 1020px) {
  .nav__links { display: none; }
  .caps__grid { grid-template-columns: 1fr 1fr; }
  .cap { min-height: 320px; border-bottom: 1px solid var(--line); }
  .cap:nth-child(2n) { border-right: 0; }
  .cap:nth-child(2n + 1) { padding-left: 0; }
  .section-head--row { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .stats, .about__grid { grid-template-columns: 1fr; }
  .caps__grid { grid-template-columns: 1fr; }
  .cap { min-height: 0; padding-left: 0; border-right: 0; }
  .cap__icon { margin-bottom: 0; }
  .cap h3 { margin-top: 12px; }
  .bench__list li { grid-template-columns: 36px 1fr; gap: 12px; }
  .bench__tag { display: none; }
  .hero__foot { flex-wrap: wrap; }
  .hero__scroll { display: none; }
  .hero__cta { flex-wrap: wrap; gap: 20px; }
  .stat__head { flex-direction: column; gap: 6px; }
  .facts div { grid-template-columns: 96px 1fr; }
  .logos { gap: 28px; }
  .logos img { height: 17px; }
  .logos .logo--ali { height: 15px; }
  .logos .logo--tc { height: 13px; }
  .cap p { min-height: 0; }
  .lang { height: 34px; padding: 0 12px; }
  .nav__end { gap: 10px; }
  .contact { flex-direction: column; gap: 28px; }
}

/* ───────────── 中文 typography ─────────────
   Latin display tracking crushes CJK glyphs, and the italic serif has no Chinese,
   so accent words switch to colour instead of a synthesized slant. */
:lang(zh) body { font-family: "Geist", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif; }
:lang(zh) em { font-family: inherit; font-style: normal; font-weight: inherit; letter-spacing: inherit; color: var(--accent); }
:lang(zh) .hero__title { font-size: clamp(44px, 8.4vw, 136px); line-height: 1.08; letter-spacing: -.01em; max-width: none; }
:lang(zh) .hero__title em, :lang(zh) .h2 em, :lang(zh) .cta__title em { font-size: 1em; }
:lang(zh) .hero__sub { max-width: 30em; line-height: 1.6; }
:lang(zh) .h2, :lang(zh) .about__title, :lang(zh) .cta__title { line-height: 1.12; letter-spacing: -.01em; }
:lang(zh) .about__title { max-width: none; }
:lang(zh) .cta__title { font-size: clamp(52px, 8.6vw, 140px); }
:lang(zh) .manifesto__text { letter-spacing: 0; line-height: 1.3; max-width: 17em; }
:lang(zh) .lede, :lang(zh) .about__body { max-width: 26em; line-height: 1.7; }
:lang(zh) .stat__cap { max-width: 22em; }
:lang(zh) .cap h3 { letter-spacing: 0; }
:lang(zh) .cap p { max-width: 16em; line-height: 1.7; }
:lang(zh) .bench__tag, :lang(zh) .label, :lang(zh) .eyebrow, :lang(zh) .hero__trusted, :lang(zh) .mono { letter-spacing: .08em; }
:lang(zh) .marquee__track span { font-family: inherit; font-style: normal; font-weight: 300; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}
:lang(zh) .footnote { letter-spacing: .02em; }