:root {
  --bg: #070708;
  --bg-2: #101114;
  --paper: #f4efe6;
  --paper-soft: #c8c2b6;
  --mute: #8d877d;
  --line: rgba(244, 239, 230, 0.14);
  --line-strong: rgba(244, 239, 230, 0.32);
  --signal: #ff3b1f;
  --signal-deep: #c4230d;
  --gold: #e7b15a;
  --lime: #d6ff4a;
  --ink: #14120f;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --display: Didot, "Bodoni MT", "Bodoni 72", "Songti SC", "Noto Serif SC", "Times New Roman", serif;
  --mono: "SFMono-Regular", "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --nav: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.45) 100%);
}

img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; }

::selection {
  background: var(--signal);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #070708; }
::-webkit-scrollbar-thumb { background: #2c2c30; border-radius: 99px; }

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  z-index: 80;
  padding: 8px 12px;
  background: var(--lime);
  color: var(--ink);
}
.skip:focus { top: 12px; }

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

main, footer { position: relative; z-index: 2; }
section { scroll-margin-top: 84px; }

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 70;
  pointer-events: none;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--signal), var(--gold), var(--lime));
}

#field {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
  width: 560px;
  height: 560px;
  margin: -280px 0 0 -280px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 59, 31, 0.16), rgba(255, 59, 31, 0) 68%);
  mix-blend-mode: screen;
}

.grain {
  position: fixed;
  inset: -20%;
  z-index: 5;
  pointer-events: none;
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.8'/></svg>");
}

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav);
  padding: 0 28px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(7, 7, 8, 0.94);
  border-bottom-color: var(--line);
}
.brand {
  position: relative;
  z-index: 46;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  letter-spacing: 0.08em;
}
.brand__mark {
  width: 18px;
  height: 18px;
  background:
    radial-gradient(circle at 50% 18%, var(--lime) 2px, transparent 2.4px),
    radial-gradient(circle at 18% 80%, var(--gold) 2px, transparent 2.4px),
    radial-gradient(circle at 82% 80%, var(--signal) 2px, transparent 2.4px);
  transition: transform 0.6s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(120deg); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__links a {
  font-size: 14px;
  color: var(--paper-soft);
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--paper); }
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__toggle {
  display: none;
  position: relative;
  z-index: 46;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}
.nav__toggle-lines,
.nav__toggle-lines::before,
.nav__toggle-lines::after {
  display: block;
  width: 14px;
  height: 1px;
  background: var(--paper);
  position: relative;
}
.nav__toggle-lines::before,
.nav__toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav__toggle-lines::before { top: -5px; }
.nav__toggle-lines::after { top: 5px; }
.nav__toggle-text { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 0 88px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 380px at 82% 42%, rgba(255, 59, 31, 0.18), transparent 70%),
    radial-gradient(420px 320px at 8% 88%, rgba(214, 255, 74, 0.07), transparent 70%);
  pointer-events: none;
}
.hero__watermark {
  position: absolute;
  left: -0.04em;
  bottom: -0.22em;
  z-index: 0;
  font-family: var(--display);
  font-size: 32vw;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: rgba(244, 239, 230, 0.035);
  pointer-events: none;
  user-select: none;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 48px;
  align-items: center;
}
.hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--paper-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.hero__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--mute);
}
.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(214, 255, 74, 0.7);
  animation: ping 2.2s ease-out infinite;
}
@keyframes ping {
  70% { box-shadow: 0 0 0 8px rgba(214, 255, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(214, 255, 74, 0); }
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--lime);
}
h1 { font-weight: 600; letter-spacing: -0.045em; }
.h1-zh {
  display: block;
  font-size: clamp(84px, 12vw, 168px);
  line-height: 0.86;
}
.h1-sub {
  display: block;
  margin-top: 10px;
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--paper-soft);
}
.h1-sub i {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--lime);
  padding-right: 0.22em;
}
.lede {
  max-width: 38em;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper);
}
.lede--dim { color: var(--paper-soft); margin-top: 10px; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); border-color: var(--paper); }
.btn--solid {
  background: var(--signal);
  border-color: var(--signal);
  color: #1a0906;
  font-weight: 650;
}
.btn--solid:hover { background: #ff553c; border-color: #ff553c; }
.hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.hero__quick a { border-bottom: 1px solid transparent; }
.hero__quick a:hover { color: var(--paper); border-bottom-color: var(--signal); }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.hero__stats strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(28px, 7vw, 36px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}
.hero__stats strong small {
  margin-left: 3px;
  font-family: var(--sans);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--paper-soft);
}
.stat-zh {
  font-family: var(--sans);
  font-weight: 620;
  letter-spacing: -0.06em;
}
.hero__stats span {
  display: block;
  margin-top: 6px;
  color: var(--mute);
  font-size: 13px;
}

.orbit-wrap { display: grid; justify-items: center; gap: 16px; }
.orbit {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1;
}
.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  background: rgba(244, 239, 230, 0.12);
  pointer-events: none;
}
.orbit::before { left: 50%; top: 8%; bottom: 8%; width: 1px; }
.orbit::after { top: 50%; left: 8%; right: 8%; height: 1px; }
.orbit__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(244, 239, 230, 0.28);
}
.orbit__ring span {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 2;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(7, 7, 8, 0.92);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.r1 { inset: 0; transform: rotate(-64deg); animation: spin1 36s linear infinite; }
.r2 { inset: 17%; border-color: rgba(231, 177, 90, 0.45); transform: rotate(58deg); animation: spin2 26s linear infinite; }
.r3 { inset: 28%; border-color: rgba(214, 255, 74, 0.4); transform: rotate(176deg); animation: spin3 20s linear infinite; }
.r1 span { color: var(--paper); transform: translate(-50%, -50%) rotate(64deg); animation: counter1 36s linear infinite; }
.r2 span { color: var(--gold); border-color: rgba(231, 177, 90, 0.5); transform: translate(-50%, -50%) rotate(-58deg); animation: counter2 26s linear infinite; }
.r3 span { color: var(--lime); border-color: rgba(214, 255, 74, 0.5); transform: translate(-50%, -50%) rotate(-176deg); animation: counter3 20s linear infinite; }
.orbit__core {
  position: absolute;
  inset: 40%;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 59, 31, 0.55);
  background: radial-gradient(circle at 40% 30%, #3a1612, #120d0c 62%, #070708);
  box-shadow: 0 0 48px rgba(255, 59, 31, 0.28), inset 0 0 24px rgba(255, 59, 31, 0.18);
  overflow: hidden;
}
.orbit__core small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.orbit__core strong {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.08em;
}
.orbit__core::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime), transparent);
  animation: scan 3.4s ease-in-out infinite;
}
.orbit__caption {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}
@keyframes spin1 {
  from { transform: rotate(-64deg); }
  to { transform: rotate(296deg); }
}
@keyframes spin2 {
  from { transform: rotate(58deg); }
  to { transform: rotate(-302deg); }
}
@keyframes spin3 {
  from { transform: rotate(176deg); }
  to { transform: rotate(536deg); }
}
@keyframes counter1 {
  from { transform: translate(-50%, -50%) rotate(64deg); }
  to { transform: translate(-50%, -50%) rotate(-296deg); }
}
@keyframes counter2 {
  from { transform: translate(-50%, -50%) rotate(-58deg); }
  to { transform: translate(-50%, -50%) rotate(302deg); }
}
@keyframes counter3 {
  from { transform: translate(-50%, -50%) rotate(-176deg); }
  to { transform: translate(-50%, -50%) rotate(-536deg); }
}
@keyframes scan {
  0% { top: 18%; opacity: 0; }
  18% { opacity: 1; }
  82% { opacity: 1; }
  100% { top: 80%; opacity: 0; }
}


.hero__copy > * { animation: rise 0.9s var(--ease) both; }
.hero__copy > *:nth-child(1) { animation-delay: 0.05s; }
.hero__copy > *:nth-child(2) { animation-delay: 0.12s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.18s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.26s; }
.hero__copy > *:nth-child(5) { animation-delay: 0.34s; }
.hero__copy > *:nth-child(6) { animation-delay: 0.4s; }
.hero__copy > *:nth-child(7) { animation-delay: 0.48s; }
.hero__copy > *:nth-child(8) { animation-delay: 0.56s; }
.orbit-wrap { animation: rise 1.1s 0.2s var(--ease) both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.marquee {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(7, 7, 8, 0.66);
  padding: 14px 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: ticker 58s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-right: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--paper-soft);
  white-space: nowrap;
}
.marquee b { color: var(--signal); font-weight: 400; }
@keyframes ticker { to { transform: translateX(-50%); } }

.manifesto { padding: 108px 0 36px; }
.section-head { max-width: 760px; margin-bottom: 42px; }
.kicker {
  margin-bottom: 14px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}
h2 {
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-lead {
  max-width: 40em;
  margin-top: 16px;
  color: var(--paper-soft);
  font-size: 17px;
}
.pull {
  max-width: 980px;
  margin: 12px 0 28px;
  padding-left: 22px;
  border-left: 2px solid var(--signal);
}
.pull p {
  font-size: clamp(26px, 3.5vw, 46px);
  font-weight: 560;
  line-height: 1.35;
  letter-spacing: -0.03em;
}
.pull em { font-style: normal; color: var(--signal); }
.claims li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.claims li:last-child { border-bottom: 1px solid var(--line); }
.claims span {
  font-family: var(--display);
  font-size: 32px;
  line-height: 1.2;
  color: rgba(244, 239, 230, 0.32);
}
.claims h3 {
  margin-bottom: 8px;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.claims p {
  max-width: 68ch;
  color: var(--paper-soft);
  font-size: 17px;
  line-height: 1.9;
}

.engine {
  margin-top: 64px;
  padding: 56px 0;
  background: rgba(16, 17, 20, 0.78);
  border-block: 1px solid var(--line);
}
.equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1.15fr;
  gap: 12px;
  align-items: stretch;
}
.equation article {
  min-height: 210px;
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  background: rgba(7, 7, 8, 0.45);
}
.equation article > span,
.equation__result > span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute);
}
.equation h3 {
  margin-top: auto;
  font-family: var(--display);
  font-size: clamp(32px, 3vw, 46px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
}
.equation p { color: var(--paper-soft); }
.op {
  align-self: center;
  font-family: var(--display);
  font-size: 42px;
  line-height: 1;
  color: var(--signal);
}
.equation article.equation__result {
  background: var(--signal);
  border-color: var(--signal);
  color: #1a0906;
}
.equation article.equation__result > span,
.equation article.equation__result p { color: rgba(26, 9, 6, 0.76); }
.equation article.equation__result h3 { color: #1a0906; }

#paths { padding: 108px 0; }
.paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.path {
  position: relative;
  min-height: 440px;
  padding: 28px 26px 24px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(244, 239, 230, 0.035), transparent 42%),
    rgba(7, 7, 8, 0.35);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.path::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--signal);
  transition: width 0.45s var(--ease);
}
.path:hover { border-color: rgba(255, 59, 31, 0.65); background: #14110f; }
.path:hover::before { width: 100%; }
.path__no {
  font-family: var(--display);
  font-size: 76px;
  line-height: 0.85;
  color: rgba(244, 239, 230, 0.22);
  transition: color 0.35s var(--ease);
}
.path:hover .path__no { color: var(--signal); }
.path__kicker {
  margin-top: 28px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.path h3 {
  margin: 10px 0 12px;
  font-size: clamp(32px, 3vw, 42px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.path__lead,
.path__points,
.path__fit { color: var(--paper-soft); }
.path__points {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.55;
}
.path__points b {
  margin-right: 6px;
  color: var(--paper);
  font-weight: 620;
}
.path__fit {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.55;
}
.path > p:last-of-type { color: var(--paper-soft); }
.path__more {
  margin-top: auto;
  padding-top: 28px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.path__more span { display: inline-block; transition: transform 0.3s var(--ease); }
.path:hover .path__more span,
.path__more:hover span { transform: translateX(4px); }
.path[data-accent="gold"]::before { background: var(--gold); }
.path[data-accent="gold"]:hover { border-color: rgba(231, 177, 90, 0.7); }
.path[data-accent="gold"]:hover .path__no { color: var(--gold); }
.path[data-accent="lime"]::before { background: var(--lime); }
.path[data-accent="lime"]:hover { border-color: rgba(214, 255, 74, 0.7); }
.path[data-accent="lime"]:hover .path__no { color: var(--lime); }

#works { padding: 20px 0 108px; }
.works__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  max-width: none;
}
.works__head .section-lead { margin: 0 0 8px; text-align: right; }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -8px 0 8px;
}
.filter {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-soft);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.filter:hover { border-color: var(--paper-soft); color: var(--paper); }
.filter.is-on {
  background: var(--lime);
  border-color: var(--lime);
  color: #172000;
  font-weight: 620;
}
.works { border-bottom: 1px solid var(--line); }
.work {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 18px 24px;
  align-items: center;
  padding: 28px 12px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.work[hidden] { display: none !important; }
.work:hover { background: var(--paper); color: var(--ink); }
.work__index {
  font-family: var(--display);
  font-size: 30px;
  color: var(--mute);
}
.work:hover .work__index { color: var(--signal); }
.work__tag {
  margin-bottom: 6px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.work:hover .work__tag { color: #8a5a12; }
.work h3 {
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.work h3 a { background-image: linear-gradient(var(--signal), var(--signal)); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size 0.35s var(--ease); }
.work h3 a:hover { background-size: 100% 1px; }
.work__desc {
  max-width: 62ch;
  margin-top: 6px;
  color: var(--paper-soft);
}
.work:hover .work__desc { color: #5e584f; }
.work__links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.work__links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.work:hover .work__links a { border-color: rgba(20, 18, 15, 0.22); }
.work__links a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.more {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.more__card {
  min-height: 160px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--line);
  background: rgba(244, 239, 230, 0.02);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.more__card span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}
.more__card strong {
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
}
.more__card em {
  margin-top: auto;
  font-style: normal;
  color: var(--paper-soft);
}
.more__card:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.more__card:hover span { color: var(--signal-deep); }
.more__card:hover em { color: #5c564c; }

#coding { padding: 40px 0 96px; }
.sop { display: grid; gap: 22px; }
.sop__hub {
  justify-self: center;
  text-align: center;
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.12;
}
.sop__flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.sop__flow li {
  min-height: 220px;
  padding: 22px 16px 18px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: rgba(7, 7, 8, 0.35);
}
.sop__flow b {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--lime);
}
.sop__flow h3 {
  margin: 14px 0 10px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.sop__flow p {
  color: var(--paper-soft);
  font-size: 14px;
  line-height: 1.55;
}
.enter { border-bottom: 1px solid var(--line); }
.enter__row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1.1fr) minmax(0, 1fr) auto;
  gap: 12px 18px;
  align-items: center;
  padding: 26px 12px;
  border-top: 1px solid var(--line);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.enter__row:hover { background: var(--paper); color: var(--ink); }
.enter__k {
  font-family: var(--display);
  font-size: 28px;
  color: var(--mute);
}
.enter__row:hover .enter__k { color: var(--signal); }
.enter__name { display: flex; flex-direction: column; }
.enter__name small {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.enter__row:hover .enter__name small { color: #6d675e; }
.enter__name strong {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.15;
}
.enter__url {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 13px;
  text-align: right;
}
.enter__row:hover .enter__url { color: #6a645b; }
.enter__arrow {
  font-size: 28px;
  transition: transform 0.3s var(--ease);
}
.enter__row:hover .enter__arrow { transform: translate(4px, -4px); color: var(--signal); }

.footer { padding: 28px 0 22px; border-top: 1px solid var(--line); }
.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}
.footer__brand {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.footer__note { margin-top: 8px; color: var(--paper-soft); }
.footer__top {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.footer__bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.8s var(--ease) forwards;
  animation-play-state: paused;
}
.js .reveal.is-in { animation-play-state: running; }

@media (max-width: 980px) {
  .hero__grid,
  .equation,
  .paths,
  .work,
  .more { grid-template-columns: 1fr; }
  .sop__flow { grid-template-columns: 1fr; }
  .equation .op { justify-self: center; padding: 4px 0; }
  .works__head { display: block; }
  .works__head .section-lead { text-align: left; margin-top: 14px; }
  .work__links { justify-content: flex-start; }
  .orbit { width: min(320px, 86vw); }
}

@media (max-width: 760px) {
  .wrap { width: min(1180px, calc(100% - 32px)); }
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 18px; }
  .nav { padding: 0 16px; }
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: fixed;
    inset: 0;
    z-index: 45;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 8px;
    padding: 96px 32px;
    background: rgba(7, 7, 8, 0.97);
    transform: translateY(-102%);
    visibility: hidden;
    transition: transform 0.45s var(--ease), visibility 0.45s;
  }
  .nav__links.is-open {
    transform: none;
    visibility: visible;
  }
  .nav__links a { font-size: 40px; letter-spacing: -0.04em; color: var(--paper); }
  .hero { padding: 108px 0 56px; }
  .h1-zh { font-size: 84px; }
  .claims li { grid-template-columns: 56px minmax(0, 1fr); }
  .path { min-height: 0; }
  .enter__row {
    grid-template-columns: 42px minmax(0, 1fr) auto;
  }
  .enter__url { display: none; }
  .footer__grid,
  .footer__bar { display: grid; }
  .manifesto,
  #paths { padding: 80px 0 28px; }
  #works { padding-bottom: 72px; }
}

@media (pointer: coarse) {
  .spotlight { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .marquee, .progress, .spotlight, .grain, #field { display: none !important; }
  body { background: #fff; color: #111; }
  main, footer { z-index: auto; }
  a { text-decoration: underline; }
}