:root {
  --ink: #17343b;
  --deep: #0b3a46;
  --deep-2: #06252d;
  --teal: #0c7d7d;
  --cyan: #55c9c2;
  --lime: #b8d767;
  --paper: #f5f8f5;
  --white: #fff;
  --muted: #64787b;
  --line: #d9e4df;
  --soft: #e9f3ef;
  --warm: #f2f0e4;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.72; }
a { color: inherit; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 99; padding: 10px 16px; border-radius: 8px; color: var(--deep); background: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; color: white; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(6,37,45,.95); backdrop-filter: blur(16px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand strong,.brand small { display: block; }
.brand strong { font-size: 16px; letter-spacing: .04em; }
.brand small { color: rgba(255,255,255,.46); font-size: 8px; letter-spacing: .15em; }
.mark { position: relative; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(85,201,194,.6); border-radius: 50%; }
.mark::before,.mark::after,.mark i { content: ""; position: absolute; border: 1px solid var(--cyan); border-radius: 50%; }
.mark::before { width: 24px; height: 24px; }.mark::after { width: 5px; height: 5px; background: var(--lime); border-color: var(--lime); }
.mark i:nth-child(1) { width: 34px; height: 10px; }.mark i:nth-child(2) { width: 10px; height: 34px; }.mark i:nth-child(3) { width: 30px; height: 30px; border-color: rgba(85,201,194,.2); }
nav { display: flex; gap: clamp(13px,2vw,27px); }
nav a { color: rgba(255,255,255,.67); text-decoration: none; font-size: 12px; }
nav a:hover,nav a:focus-visible { color: white; }
h1,h2,h3,p { margin-top: 0; }
h1 { margin-bottom: 27px; font-family: "Songti SC", "Noto Serif SC", serif; font-size: clamp(44px,6vw,73px); line-height: 1.14; letter-spacing: -.045em; }
h1 em { color: var(--lime); font-style: normal; }
h2 { margin-bottom: 18px; font-family: "Songti SC", "Noto Serif SC", serif; font-size: clamp(31px,4vw,48px); line-height: 1.26; letter-spacing: -.025em; }
h3 { line-height: 1.4; }
.hero { position: relative; overflow: hidden; color: white; background: var(--deep); }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 14%,rgba(85,201,194,.16),transparent 30%),linear-gradient(120deg,rgba(255,255,255,.022) 0 1px,transparent 1px 15%); background-size: auto,68px 68px; }
.measure-lines { position: absolute; inset: 0 0 auto; height: 13px; display: flex; justify-content: center; gap: 72px; border-top: 1px solid rgba(184,215,103,.2); }
.measure-lines i { width: 1px; height: 13px; background: rgba(184,215,103,.45); }
.hero-layout { position: relative; min-height: 720px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 85px; align-items: center; padding-block: 90px; }
.eyebrow,.section-label { margin: 0 0 18px; color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: .17em; }
.hero .eyebrow { color: var(--lime); }
.lead { max-width: 690px; color: rgba(255,255,255,.72); font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 49px; display: inline-flex; align-items: center; justify-content: center; padding: 0 23px; border-radius: 4px; text-decoration: none; font-size: 13px; font-weight: 800; transition: transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--deep-2); background: var(--lime); }
.button.ghost { color: white; border: 1px solid rgba(255,255,255,.24); }
.hero-note { max-width: 690px; margin: 23px 0 0; color: rgba(255,255,255,.42); font-size: 11px; }
.chain { overflow: hidden; border: 1px solid rgba(255,255,255,.15); border-radius: 15px; background: rgba(6,37,45,.72); box-shadow: 0 30px 80px rgba(0,0,0,.24); }
.chain-head { padding: 22px 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.chain-head span,.chain-head b { display: block; }.chain-head span { color: var(--cyan); font-size: 9px; letter-spacing: .17em; }.chain-head b { margin-top: 5px; font: 700 21px "Songti SC",serif; }
.chain ol { margin: 0; padding: 0; list-style: none; }
.chain li { display: grid; grid-template-columns: 45px 1fr; gap: 16px; align-items: center; padding: 18px 24px; border-bottom: 1px solid rgba(255,255,255,.1); }
.chain li:last-child { border-bottom: 0; }
.chain li > b { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid rgba(184,215,103,.5); border-radius: 50%; color: var(--lime); font: 700 10px ui-monospace,monospace; }
.chain strong,.chain span { display: block; }.chain strong { font-size: 14px; }.chain li span { color: rgba(255,255,255,.43); font-size: 11px; }
.signal-strip { position: relative; display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid rgba(255,255,255,.12); }
.signal-strip span { padding: 23px 10px; color: rgba(255,255,255,.58); text-align: center; font-size: 12px; letter-spacing: .08em; }
.signal-strip span + span { border-left: 1px solid rgba(255,255,255,.12); }
.section { padding-block: 105px; }
.section-heading { max-width: 850px; margin-bottom: 46px; }
.section-heading > p:last-child { color: var(--muted); }
.split-heading { max-width:none; display:grid; grid-template-columns:.9fr 1.1fr; gap:95px; }
.split-heading > div:last-child { color: var(--muted); font-size: 16px; }
.verified { color: var(--teal) !important; font-size: 11px; font-weight: 800; }
.policy { background: white; }
.policy-card { display: grid; grid-template-columns: 1.2fr .8fr; border: 1px solid var(--line); background: var(--paper); }
.policy-meta { display: grid; grid-template-columns: 125px 1fr; gap: 12px 25px; padding: 30px; border-right: 1px solid var(--line); }
.policy-meta span { color: var(--muted); font-size: 11px; }.policy-meta strong { font-size: 13px; }
.policy-actions { padding: 30px; color: var(--muted); font-size: 13px; }
.policy-actions a { display: block; margin-top: 12px; color: var(--teal); font-weight: 800; }
.count-grid { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 22px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.count-grid article { min-height: 170px; padding: 23px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.count-grid strong,.count-grid span,.count-grid small { display: block; }.count-grid strong { color: var(--teal); font: 700 41px Georgia,serif; }.count-grid span { font-size: 13px; font-weight: 800; }.count-grid small { margin-top: 22px; color: var(--muted); font-size: 10px; }
.source-note { margin: 20px 0 0; padding-left: 18px; border-left: 3px solid var(--lime); color: var(--muted); font-size: 12px; }
.coverage { background: var(--soft); }
.coverage-layout { display: grid; grid-template-columns: .56fr 1.44fr; gap: 80px; }
.coverage-copy { position: sticky; top: 120px; align-self: start; }.coverage-copy > p { color: var(--muted); }.text-link { color: var(--teal); font-size: 12px; font-weight: 800; }
.coverage-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.coverage-grid article { min-height: 205px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.65); }
.coverage-grid article:last-child { grid-column: 1/-1; min-height: 165px; }
.coverage-grid span { color: var(--teal); font: 800 10px ui-monospace,monospace; }.coverage-grid h3 { margin: 30px 0 10px; font-size: 18px; }.coverage-grid p { color: var(--muted); font-size: 12px; }
.framework { background: white; }
.framework-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.framework-grid article { min-height: 280px; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.framework-grid b { float: right; color: #a7b6b2; font: 700 12px ui-monospace,monospace; }.framework-grid span { color: var(--teal); font-size: 11px; font-weight: 800; }.framework-grid h3 { clear: both; margin: 55px 0 12px; font-family: "Songti SC",serif; font-size: 21px; }.framework-grid p { color: var(--muted); font-size: 12px; }
.services { color: white; background: var(--deep-2); }
.section-heading.light .section-label { color: var(--lime); }.section-heading.light > p:last-child { color: rgba(255,255,255,.53); }
.service-list { border-top: 1px solid rgba(255,255,255,.13); }
.service-list article { display: grid; grid-template-columns: 70px 1.25fr .75fr; gap: 35px; align-items: start; padding: 29px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.service-no { color: var(--lime); font: 800 11px ui-monospace,monospace; }.service-list h3 { margin-bottom: 9px; font-size: 19px; }.service-list p { margin: 0; color: rgba(255,255,255,.52); font-size: 12px; }
.service-list ul { margin: 0; padding: 0; list-style: none; }.service-list li { padding: 3px 0; color: rgba(255,255,255,.67); font-size: 11px; }.service-list li::before { content: "—"; margin-right: 8px; color: var(--cyan); }
.dataflow { background: var(--warm); }
.dataflow-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }.dataflow-layout > div > p:last-child { color: var(--muted); }
.flow { margin: 0; padding: 0; border-top: 1px solid #d8d7cb; list-style: none; }
.flow li { display: grid; grid-template-columns: 50px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid #d8d7cb; }.flow span { color: var(--teal); font: 800 10px ui-monospace,monospace; }.flow b { font-size: 15px; }.flow p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.scenarios { background: white; }
.scenario-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
.scenario-grid article { min-height: 270px; padding: 27px; border: 1px solid var(--line); background: var(--paper); }
.scenario-grid span { display: inline-block; padding: 5px 9px; border-radius: 4px; color: var(--teal); background: var(--soft); font-size: 10px; font-weight: 800; }.scenario-grid h3 { margin: 46px 0 12px; font-family: "Songti SC",serif; font-size: 20px; }.scenario-grid p { color: var(--muted); font-size: 12px; }
.delivery { background: var(--soft); }
.delivery-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 85px; }.delivery-copy > p:last-child { color: var(--muted); }
.phases { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }.phases li { display: grid; grid-template-columns: 55px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }.phases > li > b { color: var(--teal); font: 800 11px ui-monospace,monospace; }.phases h3 { margin-bottom: 7px; }.phases p { margin-bottom: 7px; color: var(--muted); font-size: 12px; }.phases span { color: var(--teal); font-size: 11px; font-weight: 800; }
.deliverables { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 55px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.deliverables article { min-height: 155px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.66); }.deliverables b { color: var(--teal); font-size: 13px; }.deliverables p { margin: 25px 0 0; color: var(--muted); font-size: 11px; }
.boundary { color: white; background: var(--deep); }
.role-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }.role-grid article { min-height: 245px; padding: 26px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }.role-grid span { color: var(--cyan); font-size: 10px; font-weight: 800; }.role-grid h3 { margin: 38px 0 12px; }.role-grid p { color: rgba(255,255,255,.52); font-size: 12px; }
.hard-boundary { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 26px; padding: 23px; border-left: 4px solid var(--lime); color: var(--ink); background: rgba(255,255,255,.94); }.hard-boundary strong { margin-right: 12px; }.hard-boundary span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 4px; background: white; font-size: 11px; font-weight: 800; }.boundary-note { margin: 17px 0 0; color: rgba(255,255,255,.52); font-size: 11px; }
.references { background: white; }.reference-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 85px; }.reference-layout > div:first-child > p:last-child { color: var(--muted); }.reference-list { border-top: 1px solid var(--line); }.reference-list a { display: grid; grid-template-columns: 140px 1fr; gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--line); text-decoration: none; }.reference-list b { color: var(--teal); }.reference-list span { color: var(--muted); font-size: 12px; }
.faq { background: var(--paper); }.faq-layout { display: grid; grid-template-columns: .5fr 1.5fr; gap: 85px; }.faq-layout > div:first-child > p:last-child { color: var(--muted); }.faq details { border-top: 1px solid var(--line); }.faq details:last-child { border-bottom: 1px solid var(--line); }summary { position: relative; padding: 23px 45px 23px 0; cursor: pointer; font-weight: 800; list-style: none; }summary::-webkit-details-marker { display: none; }summary::after { content: "+"; position: absolute; right: 8px; top: 17px; color: var(--teal); font-size: 25px; }details[open] summary::after { content: "−"; }details p { padding-right: 45px; color: var(--muted); }
footer { padding: 48px 0 29px; color: rgba(255,255,255,.62); background: var(--deep-2); }.footer-main { display: grid; grid-template-columns: 1.4fr 1.4fr 1.25fr .65fr; gap: 30px; }.footer-main strong { color: white; }.footer-main span { color: rgba(255,255,255,.37); font-size: 10px; letter-spacing: .1em; }.footer-main p { margin: 6px 0 0; font-size: 11px; }.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; }.footer-bottom p { margin: 0; }.footer-bottom div { display: flex; flex-shrink: 0; gap: 17px; }
@media (max-width: 980px) {
  nav { display:none; }
  .hero-layout,.split-heading,.coverage-layout,.dataflow-layout,.delivery-layout,.reference-layout,.faq-layout { grid-template-columns:1fr; }
  .hero-layout { min-height:auto; padding-block:75px; }
  .coverage-copy { position:static; }
  .framework-grid,.scenario-grid { grid-template-columns:repeat(2,1fr); }
  .count-grid { grid-template-columns:repeat(3,1fr); }
  .deliverables { grid-template-columns:repeat(3,1fr); }
  .footer-main { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 640px) {
  .wrap { width:min(100% - 28px,1180px); }
  .header-inner { min-height:66px; }
  h1 { font-size:42px; }
  .actions .button { width:100%; }
  .section { padding-block:74px; }
  .signal-strip,.count-grid,.coverage-grid,.framework-grid,.scenario-grid,.role-grid,.deliverables { grid-template-columns:1fr; }
  .signal-strip span + span { border-top:1px solid rgba(255,255,255,.12); border-left:0; }
  .coverage-grid article:last-child { grid-column:auto; }
  .policy-card { grid-template-columns:1fr; }.policy-meta { grid-template-columns:1fr; border-right:0; border-bottom:1px solid var(--line); }.policy-meta span { margin-top:7px; }
  .service-list article { grid-template-columns:42px 1fr; }.service-list ul { grid-column:2; }
  .reference-list a { grid-template-columns:1fr; gap:5px; }
  .footer-main { grid-template-columns:1fr; }.footer-bottom { flex-direction:column; }.footer-bottom div { flex-wrap:wrap; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition:none !important; } }