:root{
  color-scheme:dark;
  --bg:#07090d;
  --panel:#10151c;
  --panel-2:#161b21;
  --ink:#f5f1e8;
  --muted:#b4bdc8;
  --line:rgba(245,177,73,.28);
  --amber:#f5b149;
  --amber-2:#ff7a3d;
  --cyan:#72d9f8;
  --red:#d94d3f;
  --shadow:0 24px 80px rgba(0,0,0,.42);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(circle at 75% 4%,rgba(245,177,73,.12),transparent 30%),
  linear-gradient(180deg,#07090d 0%,#0c1118 46%,#06080b 100%);color:var(--ink);line-height:1.65;letter-spacing:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(18px,5vw,64px);background:rgba(7,9,13,.82);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:linear-gradient(145deg,rgba(245,177,73,.25),rgba(114,217,248,.1));color:var(--amber)}
.brand strong{display:block;font-size:17px}
.brand small{display:block;color:var(--muted);font-size:12px}
.nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:9px 12px;border:1px solid transparent;border-radius:6px;color:#dce3eb;font-size:14px}
.nav a:hover{border-color:var(--line);background:rgba(255,255,255,.04)}
.menu-button{display:none;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--ink);border-radius:6px;padding:9px 12px}
main{overflow:hidden}
.hero{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.86fr);gap:36px;align-items:center;padding:clamp(34px,7vw,86px) clamp(18px,5vw,72px)}
.hero-copy{max-width:760px}
.eyebrow{margin:0 0 12px;color:var(--amber);text-transform:uppercase;font-size:12px;letter-spacing:.12em;font-weight:800}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5.4vw,72px);line-height:1.04;margin-bottom:24px;letter-spacing:0}
.hero h1{font-size:clamp(36px,4.8vw,62px);line-height:1.08}
.home-title span{display:block}
.title-lock{white-space:nowrap}
h2{font-size:clamp(26px,3.4vw,44px);line-height:1.12;margin-bottom:14px;letter-spacing:0}
h3{font-size:20px;margin-bottom:10px;letter-spacing:0}
.lead,.subhero p,.section-head p{font-size:18px;color:#d4dbe3;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:34px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;border-radius:6px;font-weight:800}
.btn.primary{background:linear-gradient(135deg,var(--amber),var(--amber-2));color:#0b0d10;box-shadow:0 18px 44px rgba(245,177,73,.22)}
.btn.secondary{border:1px solid var(--line);background:rgba(255,255,255,.04);color:#f7efe1}
.signal-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:560px}
.signal-strip div{border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.04);padding:14px;border-radius:8px}
.signal-strip dt{font-size:28px;font-weight:900;color:var(--cyan)}
.signal-strip dd{margin:0;color:var(--muted);font-size:13px}
.hero-visual{margin:0;position:relative}
.hero-visual::after{content:"";position:absolute;inset:auto 8% -20px 8%;height:40px;background:rgba(245,177,73,.24);filter:blur(34px)}
.hero-visual img{border-radius:8px;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow);aspect-ratio:16/10;object-fit:cover}
section{padding:72px clamp(18px,5vw,72px)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}
.section-head>*{max-width:720px}
.platform-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.platform-grid article,.route-table article,.download-board article,.node-notes article,.compare-grid article,.text-stack article,.faq details,.article-card,.notice-options a,.support-panel{border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));border-radius:8px}
.platform-grid article{padding:22px;min-height:230px}
.platform-icon{width:42px;height:42px;border-radius:8px;display:grid;place-items:center;border:1px solid var(--line);color:var(--amber);font-weight:900;margin-bottom:18px}
.platform-grid p,.route-table p,.node-notes p,.download-board p,.article-card p,.text-stack p,.faq p,.support-panel p{color:#c8d0da}
.platform-grid small,.download-board small,.node-notes small,.subhero small{color:var(--muted)}
.lab-band{background:linear-gradient(180deg,rgba(245,177,73,.07),rgba(114,217,248,.04));border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.route-table{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.route-table article{padding:18px}
.route-table strong{display:block;color:var(--amber);font-size:18px}
.route-table span{display:block;color:#f2efe9;font-size:14px;margin:7px 0}
.archive-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(380px,1.15fr);gap:36px;align-items:start}
.archive-list{display:grid;gap:10px}
.archive-list a{display:grid;grid-template-columns:54px 1fr;gap:8px;align-items:center;padding:18px;border-bottom:1px solid rgba(255,255,255,.1)}
.archive-list span{color:var(--cyan);font-weight:900}
.archive-list strong{font-size:20px}
.archive-list em{grid-column:2;color:var(--muted);font-style:normal}
.subhero{padding-top:84px;padding-bottom:54px;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(120deg,rgba(245,177,73,.09),rgba(114,217,248,.05),rgba(217,77,63,.06))}
.subhero h1{font-size:clamp(34px,5vw,64px)}
.download-board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.download-board article{padding:26px}
.download-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.download-head span{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:rgba(245,177,73,.14);border:1px solid var(--line);color:var(--amber);font-weight:900}
.download-board ul,.device-timeline ul{margin:12px 0 18px;padding-left:19px;color:#d6dde5}
.text-link{color:var(--amber);font-weight:800}
.notice-line{max-width:960px;margin:0 auto 70px;padding:22px;border:1px solid var(--line);border-radius:8px;background:rgba(245,177,73,.08)}
.notice-line strong{display:block;font-size:21px;margin-bottom:7px}
.notice-line p{margin:0;color:#d9d3c9}
.node-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:24px;align-items:stretch}
.node-map{position:relative;min-height:360px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:linear-gradient(145deg,#0d1218,#151b23);overflow:hidden}
.node-map svg{position:absolute;inset:0;width:100%;height:100%}
.node-map path{fill:none;stroke:var(--amber);stroke-width:2;opacity:.82}
.node-map circle{fill:var(--cyan);stroke:#071017;stroke-width:3}
.node-map span{position:absolute;width:10px;height:10px;background:var(--amber);border-radius:50%;box-shadow:0 0 24px var(--amber)}
.node-map span:nth-child(1){left:12%;top:22%}.node-map span:nth-child(2){left:45%;top:50%}.node-map span:nth-child(3){right:18%;top:30%}.node-map span:nth-child(4){left:28%;bottom:18%}.node-map span:nth-child(5){right:12%;bottom:24%}
.node-notes{display:grid;gap:10px}
.node-notes article{padding:18px}
.compare-section{padding-top:10px}
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.compare-grid article{padding:22px}
.compare-grid span{display:block;color:var(--cyan);font-weight:900;margin-bottom:8px}
.device-timeline{display:grid;gap:14px}
.device-timeline article{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:26px;border:1px solid rgba(255,255,255,.09);border-radius:8px;background:rgba(255,255,255,.04)}
.device-timeline>article>span{font-size:34px;font-weight:900;color:var(--amber)}
.articles{background:rgba(255,255,255,.025)}
.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.article-card{overflow:hidden}
.article-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-card span,.article-card strong,.article-card p{display:block;padding-left:16px;padding-right:16px}
.article-card span{padding-top:14px;color:var(--amber);font-size:12px;font-weight:800}
.article-card strong{font-size:18px;line-height:1.35;margin:8px 0}
.article-card p{padding-bottom:18px;margin:0}
.faq-list{max-width:940px;margin:0 auto;display:grid;gap:10px}
.faq details{padding:18px}
.faq summary{cursor:pointer;font-weight:800;color:#f7efe1}
.support-panel{max-width:860px;margin:20px auto 70px;padding:26px}
.text-stack{max-width:940px;margin:0 auto;display:grid;gap:14px}
.text-stack article{padding:24px}
.notice-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.notice-options a{padding:24px}
.notice-options strong{display:block;font-size:20px;margin-bottom:8px}
.notice-options span{color:var(--muted)}
.article-shell{max-width:980px;margin:0 auto;padding:70px 18px}
.article-hero img{border-radius:8px;border:1px solid rgba(255,255,255,.1);margin-top:28px}
.article-body{max-width:820px;margin:34px auto 0}
.article-body section{padding:0;margin-bottom:34px}
.article-body h2{font-size:28px}
.article-next{border-top:1px solid rgba(255,255,255,.12);padding-top:24px!important}
.article-next div{display:flex;gap:10px;flex-wrap:wrap}
.article-next a{border:1px solid var(--line);border-radius:6px;padding:9px 12px;color:var(--amber)}
.footer{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:24px;padding:36px clamp(18px,5vw,72px);border-top:1px solid rgba(255,255,255,.08);background:#05070a}
.footer p{color:var(--muted);max-width:620px}
.footer nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.footer a{color:#d6dce4;font-size:14px}
@media (max-width:980px){
  .hero,.archive-grid,.node-layout,.footer{grid-template-columns:1fr}
  .hero{min-height:auto}
  .platform-grid,.route-table,.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head{display:block}
  .footer nav{justify-content:flex-start}
}
@media (max-width:720px){
  .topbar{align-items:flex-start}
  .brand{min-width:0}
  .menu-button{display:block}
  .nav{display:none;position:absolute;left:18px;right:18px;top:72px;background:#0b0f15;border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:10px}
  .nav.is-open{display:grid}
  .nav a{padding:12px}
  .hero{padding-top:38px}
  h1{font-size:38px}
  .signal-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .signal-strip div{padding:10px}
  .signal-strip dt{font-size:22px}
  .signal-strip dd{font-size:12px}
  .platform-grid,.route-table,.download-board,.compare-grid,.article-grid,.notice-options{grid-template-columns:1fr}
  .device-timeline article{grid-template-columns:1fr;gap:8px}
  section{padding:52px 18px}
  .subhero{padding-top:54px}
}