:root {
  color-scheme: dark;
  --background: #0a1117;
  --surface: #101b23;
  --raised: #14232b;
  --ink: #edf4f2;
  --muted: #9fb2b9;
  --line: #2a3d46;
  --mint: #96f0cb;
  --cyan: #76cde7;
  --display: Geist, Inter, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-family: var(--display);
  background: var(--background);
  color: var(--ink);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: var(--mint); text-underline-offset: 4px; }
button, input { font: inherit; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 5px; }
.shell { width: min(1240px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 5; top: 0; padding: 12px; background: var(--surface); transform: translateY(-120%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 22px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 750; font-size: 1.65rem; letter-spacing: -0.045em; text-decoration: none; }
.brand-dot { color: var(--mint); margin-left: -8px; }
.logo-mark { width: 19px; height: 19px; display: inline-block; border: 2px solid var(--mint); border-radius: 50% 50% 50% 4px; transform: rotate(-45deg); }
.nav-bar nav, .footer-row nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(13px, 3vw, 34px); }
.nav-bar nav a, .footer-row nav a { color: var(--muted); text-decoration: none; font-size: 0.89rem; }
.nav-bar nav a:hover, .nav-bar nav a[aria-current], .footer-row nav a:hover { color: var(--mint); }
.status-link { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 0.78rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; background: #7d929e; border-radius: 50%; flex: 0 0 7px; }
.status-dot[data-state="up"] { background: var(--mint); box-shadow: 0 0 12px #96f0cba0; }
.hero { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); align-items: center; gap: clamp(30px, 5vw, 75px); padding: 62px 0 68px; }
.eyebrow { display: flex; gap: 9px; align-items: center; color: var(--mint); font-size: 0.79rem; font-weight: 650; letter-spacing: 0.11em; margin: 0 0 17px; }
.eyebrow span { width: 16px; height: 1px; background: var(--mint); }
h1, h2, h3 { margin: 0; }
.hero h1 { font-size: clamp(3rem, 5.6vw, 6.4rem); line-height: 1.04; letter-spacing: -0.06em; }
.hero h1 em { font-style: normal; color: var(--mint); }
.hero-summary { max-width: 34ch; color: var(--muted); font-size: clamp(0.96rem, 1.5vw, 1.12rem); line-height: 1.85; margin: 23px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; gap: 13px; padding: 12px 15px; text-decoration: none; border-radius: 6px; font-size: 0.9rem; font-weight: 650; transition: background 150ms ease, border-color 150ms ease; }
.primary { color: #0a271d; background: var(--mint); }
.primary:hover { background: #b5ffdd; }
.secondary { border: 1px solid var(--line); color: var(--ink); }
.secondary:hover { border-color: var(--mint); }
.hero-visual { position: relative; isolation: isolate; overflow: hidden; border: 1px solid #37505a; border-radius: 13px; margin: 0; background: #10232b; }
.hero-visual img { width: 100%; height: clamp(295px, 37vw, 510px); object-fit: cover; display: block; }
.hero-visual::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 48%, #08131b 100%); pointer-events: none; z-index: 1; }
.hero-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
.hero-visual figcaption { position: absolute; z-index: 3; display: flex; align-items: center; gap: 9px; bottom: 16px; left: 16px; right: 16px; color: #e2f5f6; font: 0.75rem "IBM Plex Mono", ui-monospace, monospace; }
.image-line { width: 17px; height: 1px; background: var(--cyan); }
.caption-detail { margin-left: auto; color: #d5e8ec; }
.work { border-block: 1px solid var(--line); background: var(--surface); padding: 52px 0 56px; }
.section-lead { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 23px; }
.section-lead h2 { font-size: clamp(1.75rem, 3.2vw, 2.9rem); letter-spacing: -0.04em; }
.section-lead > p { color: var(--muted); max-width: 30ch; line-height: 1.65; margin: 0 0 3px; font-size: 0.9rem; }
.service-grid, .article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; }
.service-card { position: relative; display: block; min-height: 180px; padding: 21px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; color: var(--ink); background: #101f28; transition: transform 180ms ease, border-color 180ms ease, background 180ms ease; }
.service-card:hover, .service-card:focus-visible { border-color: #7bb8a5; background: var(--raised); transform: translateY(-3px); }
.card-symbol { display: inline-grid; place-items: center; width: 33px; height: 33px; border-radius: 6px; color: var(--mint); background: #203d38; font-size: 1.22rem; margin-bottom: 16px; }
.card-arrow { position: absolute; right: 20px; top: 18px; color: var(--mint); }
.service-card p, .article-grid p, .process-panel p { color: var(--muted); font-size: 0.9rem; line-height: 1.65; margin: 8px 0 0; }
.process { padding: 62px 0; }
.text-link { font-size: 0.87rem; white-space: nowrap; }
.process-console { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.process-tabs { display: flex; flex-wrap: wrap; gap: 7px; padding: 12px; border-bottom: 1px solid var(--line); }
.process-tabs button { padding: 8px 12px; background: transparent; color: var(--muted); border: 1px solid transparent; border-radius: 6px; cursor: pointer; }
.process-tabs button:hover, .process-tabs button[aria-pressed="true"] { color: var(--mint); background: #1c302f; border-color: #385750; }
.process-panel { display: grid; grid-template-columns: 1fr 0.7fr; gap: 24px; align-items: start; padding: clamp(20px, 4vw, 32px); }
.process-panel + .process-panel { border-top: 1px solid var(--line); }
.process-panel ul { margin: 0; padding-left: 19px; color: #c6d7d7; line-height: 1.8; font-size: 0.91rem; }
.journal-band { border-top: 1px solid var(--line); padding: 52px 0 58px; background: #0e191f; }
.article-grid article { padding: 16px 14px 0 0; border-top: 1px solid var(--line); }
.article-grid article p:first-child { color: var(--mint); font-size: 0.77rem; margin-bottom: 9px; }
.article-grid h3 { font-size: 1.05rem; }
.article-grid h3 a { color: var(--ink); }
.site-footer { border-top: 1px solid var(--line); }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; min-height: 92px; padding: 15px 0; }
.footer-row .wordmark { font-size: 1.3rem; }
.footer-row p { color: var(--muted); font-size: 0.85rem; }
.footer-row nav { margin-left: auto; }
.subhero { padding: clamp(48px, 8vw, 108px) 0 37px; border-bottom: 1px solid var(--line); }
.subhero h1 { font-size: clamp(2.35rem, 6.5vw, 5.15rem); line-height: 1.14; letter-spacing: -0.045em; }
.subhero > p:last-child { color: var(--muted); line-height: 1.8; margin: 18px 0 0; }
.prose, .journal-list { padding: 26px 0 70px; min-height: 50vh; }
.prose > * { max-width: 76ch; }
.prose h2 { font-size: 1.5rem; margin-top: 29px; scroll-margin-top: 24px; }
.prose p, .prose li, .journal-list article > p:last-child { color: #bdd0d3; line-height: 1.85; }
.article-back { margin-top: 30px; }
.journal-search { display: grid; gap: 7px; max-width: 360px; font-size: 0.84rem; color: var(--muted); margin-bottom: 18px; }
.journal-search input { background: var(--surface); border: 1px solid var(--line); color: var(--ink); border-radius: 6px; padding: 9px 12px; }
.journal-list article { border-top: 1px solid var(--line); padding: 20px 0 5px; }
.journal-list article .eyebrow { margin-bottom: 9px; }
.journal-list article h2 { font-size: 1.25rem; }
.status-page { padding: 20px 0 60px; }
.status-banner, .monitor-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.status-banner { padding: 14px 17px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 15px; }
.status-banner p { display: flex; align-items: center; gap: 9px; margin: 0; }
.status-dot[data-state="down"] { background: #f49b8e; }
.status-banner button { border: 1px solid var(--line); border-radius: 6px; color: var(--mint); background: var(--background); padding: 8px 12px; cursor: pointer; }
.status-banner button:disabled { opacity: .65; cursor: wait; }
.monitor { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; margin-bottom: 12px; }
.monitor h2 { font-size: 1.2rem; }
.muted, .detail-link { color: var(--muted); font-size: .84rem; }
.samples { display: flex; gap: 4px; list-style: none; margin: 14px 0; padding: 0; }
.samples li { flex: 1; height: 25px; border-radius: 3px; background: #273a43; }
.samples li[data-state="up"] { background: #459b79; }
.samples li[data-state="down"] { background: #b65f53; }
.metrics { display: flex; flex-wrap: wrap; gap: 12px 30px; margin: 0; }
.metrics dt { color: var(--muted); font-size: .78rem; }
.metrics dd { margin: 4px 0 0; font-variant-numeric: tabular-nums; }
@view-transition { navigation: auto; }
@media (max-width: 820px) {
  .shell { width: calc(100% - 36px); }
  .hero { gap: 24px; padding: 39px 0 46px; }
  .hero h1 { font-size: clamp(2.55rem, 7vw, 4.7rem); }
  .hero-visual img { height: clamp(260px, 50vw, 410px); }
}
@media (max-width: 620px) {
  .nav-bar { min-height: auto; flex-wrap: wrap; padding: 15px 0 12px; gap: 14px; }
  .nav-bar nav { width: 100%; order: 3; gap: 17px; }
  .nav-bar nav a { font-size: 0.84rem; }
  .hero, .service-grid, .article-grid, .process-panel { grid-template-columns: 1fr; }
  .hero-visual img { height: clamp(220px, 59vw, 340px); }
  .section-lead { flex-wrap: wrap; align-items: start; gap: 10px; }
  .service-card { min-height: auto; }
  .footer-row nav { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none !important; }
}