:root{
  --blue:#2563eb;
  --blue-strong:#1d4ed8;
  --blue-deep:#1e40af;
  --blue-50:#eff6ff;
  --blue-100:#dbeafe;
  --blue-200:#bfdbfe;
  --ink-btn:#161b24;
  --ink-btn-hover:#0b0f16;
  --ink:#0f172a;
  --slate:#334155;
  --slate-soft:#64748b;
  --line:#e2e8f0;
  --line-soft:#eef2f7;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --radius:14px;
  --radius-sm:10px;
  --maxw:1080px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  color:var(--slate);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);font-weight:600;line-height:1.3;letter-spacing:-0.01em;}
p{margin:0 0 1rem;}
a{color:var(--blue-strong);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* overflow safety: long tokens / code must wrap, grid & flex children may shrink */
p,li,h1,h2,h3,h4,span,td,.desc,.route-detail,.lbl{overflow-wrap:break-word;}
code{overflow-wrap:anywhere;}
.card,.feat,.tile,.arch-row,.trust,.spec,.kb-stats,.table-wrap,.loop-step,.rule{min-width:0;}
svg,table{max-width:100%;}

/* Nav */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.85);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:17px;}
.brand:hover{text-decoration:none;}
.brand svg{display:block;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{color:var(--slate);font-size:14.5px;}
.nav-links a:hover{color:var(--blue-strong);text-decoration:none;}
.nav-links a.active{color:var(--blue-strong);font-weight:600;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);}
.account-menu{position:relative;}
.account-menu-toggle{
  display:inline-flex;align-items:center;gap:5px;border:none;background:transparent;
  padding:0;font:inherit;font-size:14.5px;color:var(--slate);cursor:pointer;
}
.account-menu-toggle:hover,.account-menu-toggle.nav-section-active{color:var(--blue-strong);font-weight:600;}
.account-menu-panel{
  display:none;position:absolute;right:0;top:34px;z-index:80;min-width:158px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  box-shadow:0 16px 38px rgba(15,23,42,.12);padding:7px;
}
.account-menu.open .account-menu-panel{display:flex;flex-direction:column;}
.account-menu-panel button{
  width:100%;height:38px;border:none;border-radius:8px;background:transparent;
  padding:0 12px;text-align:left;font:inherit;font-size:14px;color:var(--slate);cursor:pointer;
}
.account-menu-panel button:hover{background:var(--blue-50);color:var(--blue-strong);}

/* Section rhythm */
section{padding:96px 0;}
.eyebrow{
  display:inline-block;
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:12px;font-weight:600;letter-spacing:0.14em;
  color:var(--slate-soft);text-transform:uppercase;
  margin-bottom:18px;
}
.section-head{max-width:680px;margin-bottom:56px;}
.section-head h2{font-size:34px;margin:0 0 16px;}
.section-head p{font-size:17px;color:var(--slate-soft);margin:0;}

/* Hero */
.hero{padding:0 0 84px;border-bottom:1px solid var(--line-soft);}
/* 通栏顶部横幅:整页最上方,导航栏之下、大标题之上。裁剪偏下以保住图上文字。 */
.hero-banner{width:100%;line-height:0;background:#0f141c;}
.hero-banner img{
  display:block;width:100%;height:auto;max-height:58vh;
  object-fit:cover;object-position:center 82%;
}
.hero-core{max-width:780px;margin:0 auto;text-align:center;padding-top:64px;}
.hero h1{font-size:54px;line-height:1.12;margin:0 0 22px;letter-spacing:-0.02em;}
.hero h1 .accent{color:var(--blue-strong);}
.hero-lead{font-size:18px;color:var(--slate);max-width:640px;margin:0 auto 34px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center;}
/* 首屏产品画面框 */
.shot-frame{
  margin-top:60px;border:1px solid #1c2430;border-radius:12px;overflow:hidden;
  background:#0f141c;box-shadow:0 28px 70px rgba(15,23,42,.16);
}
.shot-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;background:#141b25;border-bottom:1px solid #1c2430;}
.shot-bar i{width:10px;height:10px;border-radius:50%;background:#2b3547;}
.shot-bar em{margin-left:10px;font-style:normal;font-size:12px;color:#7f8b9d;font-family:ui-monospace,Consolas,monospace;}
.shot-body{position:relative;padding:30px 34px 26px;color:#6d87b8;}
.shot-cap{
  position:absolute;right:14px;bottom:10px;
  font-family:ui-monospace,Consolas,monospace;font-size:11px;color:#55627a;
}
/* 首屏窗口里的真机截图:填满窗口宽度、随宽自适应,底部圆角由 .shot-frame 的 overflow 裁切 */
.shot-img{display:block;width:100%;height:auto;}
.text-link{font-size:15px;font-weight:600;color:var(--blue-strong);}
.text-link:hover{text-decoration:none;color:var(--blue-deep);}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink-btn);color:#fff;
  padding:13px 26px;border-radius:9px;font-size:15px;font-weight:500;
  transition:background .15s ease;
}
.btn-primary:hover{background:var(--ink-btn-hover);text-decoration:none;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--slate);border:1px solid var(--line);
  padding:13px 24px;border-radius:10px;font-size:15px;font-weight:500;background:#fff;
  transition:border-color .15s ease,color .15s ease;
}
.btn-ghost:hover{border-color:var(--blue-200);color:var(--blue-strong);text-decoration:none;}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--slate);
  font:inherit;font-size:14px;font-weight:600;cursor:pointer;
}
.btn-secondary:hover{border-color:var(--blue-200);color:var(--blue-strong);}
.btn-secondary:disabled,.btn-primary:disabled,.btn-primary.disabled,.btn-ghost.disabled{
  opacity:.55;cursor:not-allowed;pointer-events:none;
}
/* 实测覆盖率 */
.cov-top{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-bottom:42px;}
.cov-stat{font-size:66px;font-weight:650;color:#15744f;line-height:1;letter-spacing:-0.02em;}
.cov-lede{margin:0;font-size:15px;line-height:1.7;color:var(--slate);max-width:340px;}
.cov-chips{display:flex;gap:10px;flex-wrap:wrap;}
.cov-chip{
  font-size:13px;font-weight:600;color:var(--ink);
  border:1px solid var(--line);background:var(--bg-soft);
  border-radius:8px;padding:6px 12px;
}
.cov-rows{display:flex;flex-direction:column;gap:28px;}
.cov-label{display:flex;align-items:baseline;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.cov-label b{font-size:15.5px;color:var(--ink);font-weight:600;}
.cov-label span{font-size:13px;color:var(--slate-soft);}
.cov-line{display:flex;align-items:center;gap:12px;}
.cov-track{flex:1;height:26px;background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:8px;overflow:hidden;}
.cov-fill{display:block;height:100%;background:#1d9366;}
.cov-fill.warn{background:#dfa215;}
.cov-val{font-style:normal;font-size:13.5px;font-weight:700;color:var(--ink);min-width:46px;}
.cov-val.pill{background:#1d9366;color:#fff;padding:5px 12px;border-radius:7px;font-weight:600;min-width:auto;white-space:nowrap;}
.cov-val.pill.warn{background:#dfa215;}
.cov-note{
  margin:28px 0 0;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:12.5px;line-height:1.7;color:var(--slate-soft);
}

/* 可靠性承诺条 */
.assure{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
}
.assure > div{padding:22px 24px;border-left:1px solid var(--line-soft);font-size:15px;font-weight:600;color:var(--ink);}
.assure > div:first-child{border-left:none;}
.assure span{display:block;margin-top:7px;font-size:13px;line-height:1.6;color:var(--slate-soft);font-weight:400;}

/* Sub-page hero (shorter than home hero) */
.page-hero{padding:64px 0 40px;border-bottom:1px solid var(--line-soft);}
.page-hero h1{font-size:42px;line-height:1.12;margin:0 0 16px;letter-spacing:-0.02em;}
.page-hero p{font-size:18px;color:var(--slate-soft);max-width:680px;margin:0;}

/* back link */
.back-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:500;color:var(--slate-soft);margin-bottom:22px;}
.back-link:hover{color:var(--blue-strong);text-decoration:none;}

/* Feature grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* Generic cards */
.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;background:#fff;}
.card .icn{width:44px;height:44px;border-radius:11px;background:var(--blue-50);color:var(--blue-strong);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.card h3{font-size:18px;margin:0 0 10px;}
.card p{font-size:15px;color:var(--slate-soft);margin:0 0 10px;}
.card p:last-child{margin-bottom:0;}
.card ul{margin:6px 0 0;padding-left:20px;color:var(--slate);font-size:14.5px;}
.card li{margin-bottom:8px;}
.card .more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue-strong);margin-top:6px;}

/* tile link cards */
a.tile{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;display:flex;flex-direction:column;gap:8px;transition:border-color .15s ease,box-shadow .15s ease;}
a.tile:hover{border-color:var(--blue-200);text-decoration:none;box-shadow:0 6px 20px rgba(15,23,42,.05);}
a.tile .icn{width:42px;height:42px;border-radius:11px;background:var(--blue-50);color:var(--blue-strong);display:flex;align-items:center;justify-content:center;margin-bottom:4px;}
a.tile h3{font-size:17px;margin:0;}
a.tile p{font-size:14px;color:var(--slate-soft);margin:0;}
a.tile .more{margin-top:6px;font-size:14px;font-weight:600;color:var(--blue-strong);}

/* Vendor routes — comparison table */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;}
table.routes{width:100%;border-collapse:collapse;font-size:14.5px;}
table.routes thead{background:var(--ink-btn);}
table.routes thead th{
  background:transparent;color:#fff;font-weight:600;text-align:left;
  padding:15px 18px;font-size:14px;border-right:1px solid rgba(255,255,255,.18);
}
table.routes thead th:last-child{border-right:none;}
table.routes td{
  padding:16px 18px;border-top:1px solid var(--line);border-right:1px solid var(--line-soft);
  vertical-align:top;color:var(--slate);
}
table.routes td:last-child{border-right:none;}
table.routes tbody tr:nth-child(even){background:var(--bg-soft);}
.route-name{font-weight:600;color:var(--ink);display:block;margin-bottom:4px;font-size:15px;}
.route-name a{color:var(--ink);}
.route-name a:hover{color:var(--blue-strong);text-decoration:none;}
.route-sw{font-size:12.5px;color:var(--blue-strong);font-weight:600;}
.route-detail{color:var(--slate-soft);font-size:13.5px;}
.cell-list{margin:0;padding-left:16px;color:var(--slate-soft);font-size:13.5px;line-height:1.65;}
.cell-list li{margin-bottom:7px;}
.cell-list li:last-child{margin-bottom:0;}
.cell-list b{color:var(--ink);font-weight:600;}
.cell-list code{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;color:var(--blue-deep);background:var(--blue-50);padding:1px 5px;border-radius:5px;}
.chip{
  display:inline-block;background:var(--blue-50);border:1px solid var(--blue-100);
  border-radius:6px;padding:2px 9px;font-size:12px;color:var(--blue-deep);
  margin:6px 5px 0 0;font-family:ui-monospace,Consolas,monospace;
}
.note{
  margin-top:24px;border:1px solid var(--blue-100);background:var(--blue-50);
  border-left:3px solid var(--blue);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:18px 22px;display:flex;gap:14px;align-items:flex-start;
}
.note svg{flex-shrink:0;color:var(--blue-strong);margin-top:2px;}
.note p{margin:0;font-size:14.5px;color:var(--slate);}
.note b{color:var(--blue-deep);}

/* spec list (route detail) */
.spec-list{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:6px 24px;}
.spec{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line-soft);margin:0;}
.spec:first-child{border-top:none;}
.spec .k{font-weight:600;color:var(--ink);font-size:14.5px;margin:0;}
.spec .v{margin:0;color:var(--slate);font-size:14.5px;}
.spec .v code,.prose code,.route-detail code,.card code{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--blue-deep);background:var(--blue-50);padding:2px 7px;border-radius:6px;}

/* prose blocks */
.prose{max-width:760px;}
.prose p{font-size:16px;color:var(--slate);}
.prose h3{font-size:20px;margin:34px 0 12px;}
.prose ul{padding-left:22px;}
.prose li{margin-bottom:8px;}

/* rules 行(可靠性/路线页复用) */
.loop-rules{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rule{display:flex;gap:12px;align-items:flex-start;}
.rule svg{flex-shrink:0;color:var(--blue-strong);margin-top:3px;}
.rule p{margin:0;font-size:14.5px;color:var(--slate);}
.rule b{color:var(--ink);font-weight:600;}

/* Architecture */
.arch-soft{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.arch-rows{display:flex;flex-direction:column;gap:18px;}
.arch-row{
  display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;
}
.arch-row .label{display:flex;align-items:center;gap:12px;}
.arch-row .label .icn{
  width:40px;height:40px;border-radius:10px;background:var(--blue-50);color:var(--blue-strong);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.arch-row .label h4{margin:0;font-size:15.5px;}
.arch-row .desc{font-size:14.5px;color:var(--slate-soft);}
.arch-row .desc code{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:13px;color:var(--blue-deep);background:var(--blue-50);
  padding:2px 7px;border-radius:6px;
}

/* Knowledge base */
.kb-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:start;}
.trust-list{display:flex;flex-direction:column;gap:16px;}
.trust{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:flex-start;
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;background:#fff;
}
.badge{
  width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;flex-shrink:0;
}
/* blue monochrome ramp: filled = verified, light = partial, outline = unverified */
.badge.p{background:var(--blue-strong);color:#fff;}
.badge.s{background:var(--blue-100);color:var(--blue-deep);}
.badge.u{background:#fff;color:var(--slate-soft);border:1px solid var(--line);}
.trust h4{margin:0 0 4px;font-size:15px;}
.trust h4 .mark{color:var(--blue-strong);font-weight:700;margin-right:6px;}
.trust p{margin:0;font-size:14px;color:var(--slate-soft);}
.kb-stats{display:flex;flex-direction:column;gap:14px;}
.stat{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;background:#fff;
}
.stat .big{font-size:32px;font-weight:600;color:var(--blue-strong);line-height:1;}
.stat .lbl{font-size:14px;color:var(--slate-soft);margin-top:8px;}
.skills{margin-top:14px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;background:var(--bg-soft);}
.skills h4{margin:0 0 12px;font-size:15px;}
.skills .tags{display:flex;flex-wrap:wrap;gap:8px;}
.skills .tag{font-size:12.5px;background:#fff;border:1px solid var(--line);color:var(--slate);padding:5px 11px;border-radius:7px;}

/* Features list */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px;}
.feat{display:flex;gap:16px;align-items:flex-start;}
.feat .icn{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  background:var(--blue-50);color:var(--blue-strong);
  display:flex;align-items:center;justify-content:center;
}
.feat h4{margin:0 0 6px;font-size:16px;}
.feat p{margin:0;font-size:14.5px;color:var(--slate-soft);}

/* CTA */
.cta{
  background:var(--ink-btn);
  border-radius:16px;padding:60px 56px;text-align:center;color:#fff;
}
.cta h2{color:#fff;font-size:30px;margin:0 0 12px;}
.cta p{color:#9aa7ba;font-size:16px;max-width:560px;margin:0 auto 30px;}
.cta .btn-white{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--ink-btn);
  padding:13px 28px;border-radius:9px;font-size:15px;font-weight:600;
  transition:background .15s ease;
}
.cta .btn-white:hover{background:#e9edf3;text-decoration:none;}

/* Footer */
footer{border-top:1px solid var(--line-soft);padding:56px 0 48px;}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:28px;}
.foot-brand .brand{margin-bottom:14px;}
.foot-brand p{font-size:14px;color:var(--slate-soft);max-width:300px;margin:0;}
.foot-col h5{font-size:13px;letter-spacing:0.06em;color:var(--ink);text-transform:uppercase;margin:0 0 16px;font-weight:600;}
.foot-col a{display:block;font-size:14.5px;color:var(--slate-soft);margin-bottom:11px;}
.foot-col a:hover{color:var(--blue-strong);text-decoration:none;}
.foot-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--slate-soft);
}
.legal-layout{display:grid;grid-template-columns:minmax(0,820px);justify-content:center;}
.legal-doc{
  border:1px solid var(--line);border-radius:14px;background:#fff;padding:34px;
  box-shadow:0 12px 34px rgba(15,23,42,.05);
}
.legal-doc .legal-date{font-size:14px;color:var(--slate-soft);margin-bottom:22px;}
.legal-alert{
  border:1px solid var(--blue-100);border-radius:10px;background:var(--blue-50);
  padding:14px 16px;color:var(--blue-deep);font-size:15px;
}
.legal-doc h3{padding-top:4px;border-top:1px solid var(--line-soft);}
.legal-doc h3:first-of-type{border-top:none;padding-top:0;}

@media (max-width:900px){
  section{padding:70px 0;}
  .hero{padding:64px 0 56px;}
  .hero h1{font-size:40px;}
  .shot-frame{margin-top:44px;}
  .assure{grid-template-columns:1fr 1fr;}
  .assure > div{border-left:none;border-top:1px solid var(--line-soft);}
  .assure > div:nth-child(-n+2){border-top:none;}
  .assure > div:nth-child(2n){border-left:1px solid var(--line-soft);}
  .page-hero h1{font-size:34px;}
  .grid-2,.grid-3,.feat-grid,.kb-grid,.loop,.loop-rules,.account-layout,.download-layout{grid-template-columns:1fr;}
  .loop-step:not(:last-child)::after{content:"↓";right:auto;left:18px;top:auto;bottom:-12px;}
  .loop-step{padding:0 0 24px 0;}
  .arch-row{grid-template-columns:1fr;gap:14px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px;align-items:flex-start;
  }
  .account-menu{width:100%;}
  .account-menu-toggle{width:100%;justify-content:space-between;}
  .account-menu-panel{
    position:static;width:100%;min-width:0;box-shadow:none;margin-top:8px;
    background:var(--bg-soft);
  }
  .menu-toggle{display:inline-flex;}
}
/* responsive table -> stacked blocks */
@media (max-width:760px){
  table.routes, table.routes thead, table.routes tbody, table.routes tr, table.routes td{display:block;width:100%;}
  table.routes thead{display:none;}
  table.routes tr{border-top:6px solid var(--bg-soft);}
  table.routes tr:first-child{border-top:none;}
  table.routes td{border:none;border-top:1px solid var(--line-soft);padding:12px 18px;}
  table.routes tr td:first-child{border-top:none;padding-top:18px;}
  table.routes td::before{
    content:attr(data-label);display:block;font-size:11.5px;font-weight:600;
    color:var(--blue-strong);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;
  }
  table.routes tbody tr:nth-child(even){background:#fff;}
}
@media (max-width:560px){
  .hero h1{font-size:32px;}
  .assure{grid-template-columns:1fr;}
  .assure > div{border-left:none !important;border-top:1px solid var(--line-soft);}
  .assure > div:first-child{border-top:none;}
  .shot-body{padding:18px 14px 24px;}
  .page-hero h1{font-size:29px;}
  .section-head h2{font-size:27px;}
  .cta{padding:44px 24px;}
  .foot-grid{grid-template-columns:1fr;}
  .spec{grid-template-columns:1fr;gap:4px;}
  .code-row{grid-template-columns:1fr;}
  .code-row .btn-secondary{width:100%;}
  .auth-panel,.account-aside,.download-card,.download-notes{padding:24px;}
  .download-actions .btn-primary,.download-actions .btn-ghost{width:100%;justify-content:center;}
}

/* ===== SPA additions (Vue Router) ===== */
/* 当前页导航高亮 —— Vue Router 自动给匹配的 router-link 加 router-link-active */
.nav-links a.router-link-active,.nav-links a.nav-section-active{color:var(--blue-strong);font-weight:600;}

/* ===== 工程风统一:中性底色图标芯片,克制悬浮 ===== */
.card .icn,a.tile .icn,.feat .icn,.arch-row .label .icn{
  background:#f1f4f8;color:#33415c;
}
a.tile{transition:border-color .15s ease,box-shadow .15s ease;}
a.tile:hover{border-color:#c3cdd9;box-shadow:0 8px 22px rgba(15,23,42,.07);}

/* 面包屑导航 */
.breadcrumbs{background:var(--bg-soft);border-bottom:1px solid var(--line-soft);}
.breadcrumbs .wrap{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding-top:13px;padding-bottom:13px;font-size:13.5px;}
.breadcrumbs a{color:var(--slate-soft);}
.breadcrumbs a:hover{color:var(--blue-strong);text-decoration:none;}
.breadcrumbs .sep{color:var(--slate-soft);opacity:.5;}
.breadcrumbs .current{color:var(--ink);font-weight:600;}

/* Account and download placeholders */
.account-layout,.download-layout{display:grid;grid-template-columns:1fr .85fr;gap:36px;align-items:start;}
.account-layout.single{grid-template-columns:minmax(0,520px);justify-content:center;}
.auth-panel,.account-aside,.download-card,.download-notes{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px;
}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-row label{font-size:14px;font-weight:600;color:var(--ink);}
.form-row input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;font:inherit;color:var(--ink);background:#fff;
}
.form-row input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.code-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;}
.code-row .btn-secondary{min-width:112px;white-space:nowrap;}
.auth-submit{border:none;width:100%;justify-content:center;margin-top:4px;}
.auth-link{
  display:block;margin:12px auto 0;border:none;background:transparent;color:var(--blue-strong);
  font:inherit;font-size:14px;font-weight:700;cursor:pointer;
}
.auth-link:hover{text-decoration:underline;}
.agreement-box{
  border:1px solid var(--line-soft);border-radius:10px;background:var(--bg-soft);
  padding:12px 14px;margin:2px 0 18px;display:flex;flex-direction:column;gap:10px;
}
.agreement-box label{
  display:flex;align-items:flex-start;gap:9px;font-size:13.5px;line-height:1.55;color:var(--slate);
}
.agreement-box input{width:16px;height:16px;margin:3px 0 0;flex:0 0 auto;accent-color:var(--blue);}
.agreement-box a{font-weight:700;}
.form-message{margin:16px 0 0;font-size:14px;}
.form-message.success{color:#047857;}
.form-message.error{color:#b91c1c;}
.form-message.muted{color:var(--slate-soft);}
.account-aside h2,.download-card h2,.download-notes h3{font-size:22px;margin:0 0 12px;}
.account-aside p,.download-card p{color:var(--slate-soft);margin-bottom:22px;}
.account-aside dl{margin:0;}
.account-aside dt{font-size:13px;font-weight:700;color:var(--ink);margin-top:16px;}
.account-aside dd{
  margin:6px 0 0;font-family:ui-monospace,Consolas,monospace;font-size:13px;
  color:var(--blue-deep);background:var(--blue-50);padding:8px 10px;border-radius:8px;
  overflow-wrap:anywhere;
}
.download-card{min-height:300px;}
.download-icon{
  width:58px;height:58px;border-radius:14px;background:var(--blue-50);color:var(--blue-strong);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
}
.download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.download-actions .btn-primary{border:none;}
.download-notes ul{margin:0 0 18px;padding-left:20px;color:var(--slate);}
.download-notes li{margin-bottom:8px;}
.download-notes .more{font-weight:600;}

/* Account center */
.auth-tabs{
  display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:22px;
  background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:10px;padding:5px;
}
.auth-tabs a,.auth-tabs button{
  height:38px;display:flex;align-items:center;justify-content:center;border-radius:8px;
  font:inherit;font-size:14px;font-weight:700;color:var(--slate);
  border:none;background:transparent;cursor:pointer;
}
.auth-tabs a:hover,.auth-tabs button:hover{text-decoration:none;color:var(--blue-strong);}
.auth-tabs a.active,.auth-tabs button.active{background:#fff;color:var(--blue-strong);box-shadow:0 1px 4px rgba(15,23,42,.08);}
.account-auth-shell{display:grid;grid-template-columns:minmax(0,520px);justify-content:center;}
.account-empty{
  max-width:560px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;padding:34px;text-align:left;
}
.account-empty h2{font-size:24px;margin:0 0 10px;}
.account-empty p{color:var(--slate-soft);}
.account-dashboard{display:flex;flex-direction:column;gap:24px;}
.account-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.account-grid{display:grid;grid-template-columns:minmax(280px,520px);gap:24px;align-items:start;}
.account-profile-shell{display:grid;grid-template-columns:minmax(0,520px);justify-content:center;}
.account-profile-head{align-items:center;}
.account-title-block{display:flex;align-items:center;gap:14px;min-width:0;}
.account-avatar{
  width:46px;height:46px;border-radius:50%;background:var(--blue-50);color:var(--blue-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;overflow:hidden;flex:0 0 auto;
  border:1px solid var(--line);
}
.account-avatar.large{width:64px;height:64px;font-size:24px;}
.account-avatar img{width:100%;height:100%;object-fit:cover;display:block;}
.profile-preview{display:flex;align-items:center;gap:14px;margin:4px 0 18px;}
.profile-preview strong,.profile-preview small{display:block;}
.profile-preview small{font-size:13px;color:var(--slate-soft);}
.profile-divider{height:1px;background:var(--line-soft);margin:24px 0;}
.avatar-presets{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 16px;}
.avatar-upload{
  display:inline-flex;align-items:center;justify-content:center;height:40px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--slate);font-size:13px;font-weight:700;padding:0 12px;
  cursor:pointer;margin:2px 0 14px;
}
.avatar-upload:hover{border-color:var(--blue-200);color:var(--blue-strong);}
.avatar-upload input{display:none;}
.avatar-presets button{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;padding:2px;cursor:pointer;
  overflow:hidden;
}
.avatar-presets button.active,.avatar-presets button:hover{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.avatar-presets img{width:100%;height:100%;border-radius:50%;display:block;}
.avatar-presets .avatar-clear{
  width:auto;border-radius:8px;padding:0 12px;font:inherit;font-size:13px;font-weight:700;color:var(--slate);
}
.account-box{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  padding:26px;min-width:0;
}
.account-box h3{font-size:20px;margin:0 0 8px;}
.account-box p{font-size:14px;color:var(--slate-soft);margin:0 0 18px;}
.recharge-row{display:grid;grid-template-columns:1fr auto;gap:12px;}
.recharge-row input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;font:inherit;color:var(--ink);
}
.recharge-row input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.quick-amounts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.quick-amounts button{
  border:1px solid var(--line);background:#fff;color:var(--slate);border-radius:8px;
  height:34px;padding:0 12px;font:inherit;font-size:13px;font-weight:700;cursor:pointer;
}
.quick-amounts button:hover{border-color:var(--blue-200);color:var(--blue-strong);}
.package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.package-card{
  border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);
  padding:18px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;min-height:178px;
}
.package-card h4{font-size:16px;margin:0 0 8px;}
.package-card strong{display:block;color:var(--ink);font-size:19px;line-height:1.2;margin-bottom:6px;}
.package-card span{display:block;color:var(--blue-strong);font-size:14px;font-weight:700;}
.package-card .btn-secondary{width:100%;}

/* Admin */
.admin-root{min-height:100vh;background:var(--bg-soft);}
.admin-page{min-height:100vh;display:grid;grid-template-columns:236px minmax(0,1fr);background:var(--bg-soft);}
.admin-sidebar{
  position:sticky;top:0;align-self:start;min-height:100vh;
  background:#0f172a;color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:26px;
}
.admin-logo{font-size:18px;font-weight:800;letter-spacing:.01em;}
.admin-side-label{font-size:12px;color:#94a3b8;margin-top:6px;}
.admin-sidebar nav{display:flex;flex-direction:column;gap:8px;}
.admin-sidebar a{
  color:#cbd5e1;border-radius:8px;padding:11px 12px;font-size:14px;font-weight:700;
  display:flex;align-items:center;min-height:42px;
}
.admin-sidebar a.active,.admin-sidebar a:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none;}
.admin-main{padding:28px 32px;min-width:0;}
.admin-hero{background:var(--bg-soft);}
.admin-section{padding-top:48px;}
.admin-login{max-width:460px;margin:12vh auto 0;}
.admin-login h1{font-size:26px;margin:0 0 8px;}
.admin-help{font-size:13.5px;color:var(--slate-soft);margin:14px 0 0;}
.admin-console{display:flex;flex-direction:column;gap:18px;max-width:1280px;}
.admin-toolbar{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  border:1px solid var(--line);border-radius:12px;background:#fff;padding:20px 22px;
}
.admin-kicker{display:block;color:var(--blue-strong);font-size:12px;font-weight:800;text-transform:uppercase;margin-bottom:4px;}
.admin-toolbar h1{font-size:24px;margin:0 0 6px;}
.admin-toolbar h2{font-size:24px;margin:0 0 6px;}
.admin-toolbar p,.admin-panel-head p{font-size:14px;color:var(--slate-soft);margin:0;}
.admin-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;}
.admin-logout{border:none;}
.admin-metrics{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:12px;}
.metric{
  border:1px solid var(--line);border-radius:8px;background:#fff;
  padding:15px 18px;min-width:0;
}
.metric span{display:block;font-size:13px;color:var(--slate-soft);margin-bottom:6px;}
.metric strong{display:block;font-size:21px;line-height:1.15;color:var(--ink);overflow-wrap:anywhere;}
.admin-split{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(360px,.72fr);gap:24px;align-items:start;}
.admin-panel{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:22px;min-width:0;
}
/* 系统设置 — 7 个模型槽位 */
.llm-model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;}
.llm-model-card{
  border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);
  padding:18px;display:flex;flex-direction:column;min-width:0;
}
.llm-model-card .form-row{margin-bottom:14px;}
.llm-model-card .form-row input{height:42px;}
.llm-model-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.llm-model-card-head strong{font-size:16px;color:var(--ink);}
.llm-model-badge{
  display:inline-flex;align-items:center;height:24px;border-radius:999px;padding:0 10px;
  font-size:12px;font-weight:800;white-space:nowrap;background:var(--bg-soft);border:1px solid var(--line-soft);
}
.llm-model-badge.ok{color:#15803d;background:#ecfdf5;border-color:#bbf7d0;}
.llm-model-badge.warn{color:#b45309;background:#fffbeb;border-color:#fde68a;}
.llm-model-toggle{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink);font-weight:600;
  margin-bottom:16px;cursor:pointer;
}
.llm-model-toggle input{width:16px;height:16px;accent-color:var(--blue);}
.llm-model-price-note{
  font-size:12px;color:var(--slate-soft);background:var(--bg-soft);
  border:1px dashed var(--line-soft);border-radius:8px;padding:8px 10px;margin:0 0 14px;
}
.admin-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px;}
.admin-panel-head h2,.admin-panel-head h3{font-size:20px;margin:0 0 6px;}
.admin-search{display:flex;gap:10px;min-width:340px;}
.admin-search input,.admin-search select,.balance-editor input,.password-editor input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:10px;
  padding:0 12px;font:inherit;font-size:14px;color:var(--ink);
  background:#fff;
}
.admin-search input:focus,.admin-search select:focus,.balance-editor input:focus,.password-editor input:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);
}
.admin-table-wrap{border-radius:10px;overflow:auto;}
table.admin-table{width:100%;border-collapse:collapse;font-size:14px;}
table.admin-table th{
  position:sticky;top:0;z-index:1;background:var(--bg-soft);color:var(--ink);
  text-align:left;font-size:13px;font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line);
}
table.admin-table td{padding:13px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle;}
table.admin-table tr{cursor:default;}
table.admin-table tbody tr:hover,table.admin-table tbody tr.selected{background:var(--blue-50);}
table.admin-table td strong{display:block;color:var(--ink);font-weight:700;}
table.admin-table td small{display:block;color:var(--slate-soft);font-size:12px;margin-top:2px;overflow-wrap:anywhere;}
.balance-editor{display:flex;flex-direction:column;gap:8px;min-width:150px;}
.password-state{
  display:inline-flex;align-items:center;height:26px;border-radius:999px;background:var(--blue-50);
  color:var(--blue-deep);font-size:12px;font-weight:800;padding:0 10px;
}
.agreement-state{
  display:inline-flex;align-items:center;height:26px;border-radius:999px;background:#ecfdf5;
  color:#047857;font-size:12px;font-weight:800;padding:0 10px;
}
.agreement-state.missing{background:#fef2f2;color:#b91c1c;}
.password-value{
  display:inline-flex;align-items:center;min-height:30px;padding:4px 9px;border-radius:6px;
  background:var(--bg-soft);border:1px solid var(--line-soft);color:var(--ink);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  white-space:nowrap;
}
.password-editor{display:flex;flex-direction:column;gap:8px;min-width:190px;}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;}
.admin-small-btn{padding:9px 14px;min-height:40px;}
.admin-user-cell{display:flex;align-items:center;gap:10px;min-width:180px;}
.admin-user-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--blue-50);color:var(--blue-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;overflow:hidden;flex:0 0 auto;
  border:1px solid var(--line);
}
.admin-user-avatar img{width:100%;height:100%;object-fit:cover;display:block;}
.admin-token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px;}
.admin-mini-card{
  border:1px solid var(--line-soft);border-radius:8px;background:var(--bg-soft);padding:14px;cursor:pointer;
}
.admin-mini-card.active,.admin-mini-card:hover{border-color:var(--blue);background:var(--blue-50);}
.admin-mini-card span,.admin-mini-card small{display:block;color:var(--slate-soft);font-size:12px;}
.admin-mini-card strong{display:block;color:var(--ink);font-size:20px;margin:4px 0;}
.usage-list{display:flex;flex-direction:column;gap:12px;overflow:auto;padding-right:4px;}
.usage-item{
  border:1px solid var(--line-soft);border-radius:10px;background:var(--bg-soft);
  padding:15px;display:flex;flex-direction:column;gap:12px;
}
.usage-item strong{display:block;color:var(--ink);font-size:15px;}
.usage-item span{display:block;color:var(--slate-soft);font-size:13px;margin-top:2px;}
.usage-item dl{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:0;}
.usage-item dt{font-size:12px;color:var(--slate-soft);}
.usage-item dd{margin:2px 0 0;color:var(--ink);font-weight:700;font-size:13px;}
.usage-item time{font-size:12px;color:var(--slate-soft);}
.empty{text-align:center;color:var(--slate-soft);padding:28px 12px;}

@media (max-width:860px){
  .admin-page{grid-template-columns:1fr;}
  .admin-sidebar{position:static;min-height:auto;flex-direction:column;}
  .admin-sidebar nav{flex-direction:column;}
  .admin-metrics{grid-template-columns:repeat(3,1fr);}
  .admin-split{grid-template-columns:1fr;}
  .account-metrics{grid-template-columns:repeat(2,1fr);}
  .account-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .admin-toolbar,.admin-panel-head{flex-direction:column;}
  .admin-actions,.admin-search{width:100%;}
  .admin-search{min-width:0;flex-direction:column;}
  .admin-metrics{grid-template-columns:1fr 1fr;}
  .admin-token-grid{grid-template-columns:1fr;}
  .llm-model-grid{grid-template-columns:1fr;}
  .usage-item dl{grid-template-columns:1fr 1fr;}
  .package-grid{grid-template-columns:1fr;}
  .recharge-row{grid-template-columns:1fr;}
  .recharge-row .btn-primary{justify-content:center;}
  table.admin-table,table.admin-table thead,table.admin-table tbody,table.admin-table tr,table.admin-table td{display:block;width:100%;}
  table.admin-table thead{display:none;}
  table.admin-table tr{border-bottom:1px solid var(--line);}
  table.admin-table td{border-bottom:none;padding:10px 12px;}
}

/* 首页「眼见为实」实机截图展示区:自适应双列网格,窄屏单列 */
.shots-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.shot-card{
  margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:#fff;display:flex;flex-direction:column;
}
/* 统一画框:所有截图裁到同一 3:2 比例、顶部对齐,使网格整齐对称 */
.shot-card img{
  width:100%;aspect-ratio:3/2;object-fit:cover;object-position:top center;
  display:block;background:var(--bg-soft);border-bottom:1px solid var(--line-soft);
}
.shot-card figcaption{padding:14px 16px;min-height:74px;font-size:13.5px;line-height:1.65;color:var(--slate);}
@media(max-width:760px){
  .shots-grid{grid-template-columns:1fr;}
}

/* ===== Ona-inspired product system ===== */
:root{
  --blue:#f05b3b;
  --blue-strong:#d94227;
  --blue-deep:#9f2c1b;
  --blue-50:#fff0eb;
  --blue-100:#ffd9cf;
  --blue-200:#ffb7a7;
  --ink-btn:#141414;
  --ink-btn-hover:#000;
  --ink:#121210;
  --slate:#595750;
  --slate-soft:#817e76;
  --line:#d8d5ce;
  --line-soft:#e8e5dd;
  --bg:#f7f6f2;
  --bg-soft:#eceae3;
  --radius:0px;
  --radius-sm:0px;
  --maxw:1240px;
  --signal:#c9ff57;
  --night:#131312;
}
body{
  background:var(--bg);
  color:var(--slate);
  font-family:"Arial Narrow","Aptos Narrow","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.65;
}
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.035em;}
.wrap{max-width:var(--maxw);}
section{padding:clamp(82px,10vw,144px) 0;border-bottom:1px solid var(--line);}
.eyebrow{color:var(--blue-strong);font-size:11px;letter-spacing:.2em;font-weight:800;}
.section-head{max-width:920px;margin-bottom:clamp(38px,6vw,76px);}
.section-head h2{font-size:clamp(38px,5.7vw,78px);line-height:.98;margin-bottom:24px;}
.section-head p{max-width:680px;color:var(--slate);font-size:17px;}

header.nav{
  background:rgba(247,246,242,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
header.nav::after{
  content:"";display:block;position:absolute;left:0;top:0;height:2px;width:28%;
  background:var(--signal);animation:nav-pulse 5s ease-in-out infinite alternate;
}
.nav-inner{height:72px;}
.brand{font-size:16px;font-weight:800;letter-spacing:-.02em;}
.brand svg{filter:grayscale(1) contrast(1.8);}
.nav-links{gap:30px;}
.nav-links a,.account-menu-toggle{color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.02em;}
.nav-links a:hover,.account-menu-toggle:hover,.account-menu-toggle.nav-section-active{color:var(--blue-strong);}
.nav-links a.router-link-active,.nav-links a.nav-section-active{color:var(--ink);position:relative;}
.nav-links a.router-link-active::after,.nav-links a.nav-section-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--blue);
}
.account-menu-panel{border-color:var(--ink);background:var(--bg);box-shadow:8px 8px 0 var(--signal);}
.account-menu-panel button:hover{background:var(--signal);color:var(--ink);}

.hero{padding:0;background:var(--night);border-bottom:0;overflow:hidden;}
.hero-banner{height:clamp(360px,55vw,690px);position:relative;background:#222;overflow:hidden;}
.hero-banner::before{
  content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.45);z-index:2;
  animation:frame-breathe 4s ease-in-out infinite;
}
.hero-banner::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.32);z-index:1;}
.hero-banner img{
  width:100%;height:100%;max-height:none;object-fit:cover;object-position:center 55%;
  opacity:.72;filter:grayscale(1) contrast(1.25) saturate(.65);
  transform:scale(1.04);animation:hero-drift 18s ease-in-out infinite alternate;
}
.hero-core{max-width:var(--maxw);padding:clamp(58px,8vw,112px) 0 108px;margin:0 auto;text-align:left;}
.hero h1{max-width:1050px;color:#f7f6f2;font-size:clamp(48px,8.2vw,112px);line-height:.91;margin:0 0 30px;letter-spacing:-.07em;}
.hero h1 .accent{color:var(--signal);}
.hero-lead{max-width:700px;color:#c5c2ba;font-size:clamp(16px,1.6vw,20px);margin:0 0 38px;}
.hero-actions{justify-content:flex-start;}
.btn-primary,.btn-white,.btn-secondary,.btn-ghost{
  border-radius:0;min-height:46px;padding:0 18px;font-size:13px;font-weight:800;letter-spacing:.03em;
  position:relative;overflow:hidden;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary::after,.btn-white::after,.btn-secondary::after,.btn-ghost::after{
  content:"";position:absolute;inset:-30% auto -30% -45%;width:24%;background:rgba(255,255,255,.48);
  transform:skewX(-18deg) translateX(-180%);transition:transform .45s ease;pointer-events:none;
}
.btn-primary:hover::after,.btn-white:hover::after,.btn-secondary:hover::after,.btn-ghost:hover::after{transform:skewX(-18deg) translateX(700%);}
.btn-primary{background:var(--signal);color:var(--ink);border:1px solid var(--signal);box-shadow:5px 5px 0 var(--blue);}
.btn-primary:hover{background:#e5ffab;color:var(--ink);transform:translate(2px,2px);box-shadow:3px 3px 0 var(--blue);}
.btn-ghost{background:transparent;color:#f7f6f2;border:1px solid #77746b;}
.btn-ghost:hover{background:#f7f6f2;color:var(--ink);border-color:#f7f6f2;}
.btn-secondary{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-secondary:hover{background:var(--ink);color:var(--bg);transform:translateY(-2px);}
.btn-white{background:var(--bg);color:var(--ink);border:1px solid var(--bg);}
.btn-white:hover{background:var(--signal);color:var(--ink);text-decoration:none;transform:translateY(-2px);}

.card,.feat,.tile,.auth-panel,.account-aside,.download-card,.download-notes,.account-box,.admin-panel,.metric,.shot-card{
  border:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none;
}
.card,.feat,.tile{position:relative;overflow:hidden;transition:background-color .28s ease,border-color .28s ease,transform .28s ease;}
.card::before,.feat::before,.tile::before{content:"";position:absolute;left:0;top:0;width:0;height:3px;background:var(--signal);transition:width .28s ease;}
.card:hover,.feat:hover,.tile:hover{background:#fff;transform:translateY(-5px);border-color:var(--ink);}
.card:hover::before,.feat:hover::before,.tile:hover::before{width:100%;}
.card .icn,a.tile .icn,.feat .icn,.arch-row .label .icn{border-radius:0;background:var(--ink);color:var(--signal);}

.arch-soft{background:var(--bg-soft);}
.table-wrap{border:1px solid var(--ink);border-radius:0;box-shadow:8px 8px 0 var(--signal);background:var(--bg);}
.table-wrap{animation:edge-glow 6s ease-in-out infinite;}
table.routes thead{background:var(--ink);color:var(--bg);}
table.routes th{color:var(--bg);font-size:11px;letter-spacing:.14em;text-transform:uppercase;}
table.routes td{border-color:var(--line);}
table.routes tbody tr{transition:background .2s ease;}
table.routes tbody tr:hover{background:#fff7b9;}
.chip,.cov-chip{border-radius:0;background:var(--signal);color:var(--ink);border:0;font-weight:800;}
.route-name a,.more{color:var(--blue-strong);}
.note{border:1px solid var(--ink);border-radius:0;background:var(--signal);color:var(--ink);}
.note svg{color:var(--ink);}

.cov-stat{color:var(--blue-strong);font-size:clamp(76px,12vw,160px);letter-spacing:-.1em;line-height:.82;}
.cov-fill{background:var(--blue);}
.cov-fill.warn{background:var(--signal);}
.cov-track{border-radius:0;background:#d7d5cc;}
.shot-card{transition:transform .3s ease,box-shadow .3s ease;}
.shot-card:hover{transform:translateY(-8px);box-shadow:8px 8px 0 var(--signal);}
.shot-card img{filter:grayscale(.5) contrast(1.08);transition:filter .35s ease,transform .35s ease;}
.shot-card:hover img{filter:grayscale(0) contrast(1.04);transform:scale(1.02);}
.shot-card figcaption{background:#fff;padding:18px;}
.cta{border-radius:0;background:var(--ink);box-shadow:12px 12px 0 var(--blue);padding:clamp(46px,7vw,92px);}
.cta h2{color:var(--bg);font-size:clamp(38px,6vw,74px);}
.cta p{color:#aaa79e;}

.page-hero{background:var(--night);color:var(--bg);padding:clamp(86px,12vw,164px) 0 92px;border-bottom:1px solid #34342f;}
.page-hero h1{max-width:980px;color:var(--bg);font-size:clamp(52px,8vw,110px);line-height:.92;letter-spacing:-.07em;}
.page-hero p{max-width:680px;color:#bebbb2;font-size:18px;}
.page-hero .eyebrow{color:var(--signal);}
.breadcrumbs{background:var(--night);border-color:#34342f;}
.breadcrumbs .wrap{padding-top:14px;padding-bottom:14px;}
.breadcrumbs a,.breadcrumbs .current{color:#c5c2ba;}
.breadcrumbs .sep{color:var(--signal);}

.motion-reveal{opacity:0;transform:translateY(28px);transition:opacity .72s ease var(--motion-delay),transform .72s cubic-bezier(.2,.75,.25,1) var(--motion-delay);}
.motion-reveal.is-visible{opacity:1;transform:none;}
@keyframes hero-drift{from{transform:scale(1.04) translate3d(-1%,0,0)}to{transform:scale(1.1) translate3d(1%, -1%,0)}}
@keyframes frame-breathe{0%,100%{opacity:.48;transform:scale(1)}50%{opacity:.9;transform:scale(.995)}}
@keyframes nav-pulse{from{width:18%}to{width:58%}}
@keyframes edge-glow{0%,100%{box-shadow:8px 8px 0 var(--signal)}50%{box-shadow:8px 8px 0 #f4a38f}}

footer{background:var(--ink);color:#bcb9b0;border-top:1px solid #34342f;}
footer .brand,footer h5{color:var(--bg);}
footer .brand svg{filter:grayscale(1) brightness(2);}
footer a{color:#bcb9b0;}
footer a:hover{color:var(--signal);}
.foot-bottom{border-color:#393934;}

.form-row input,.recharge-row input,.admin-search input,.admin-search select,.balance-editor input,.password-editor input{
  border-radius:0;background:#fff;border-color:var(--line);height:48px;
}
.form-row input:focus,.recharge-row input:focus,.admin-search input:focus,.admin-search select:focus,.balance-editor input:focus,.password-editor input:focus{border-color:var(--blue);box-shadow:4px 4px 0 var(--signal);}
.auth-tabs{border-radius:0;background:var(--bg-soft);}
.auth-tabs a.active,.auth-tabs button.active{border-radius:0;background:var(--ink);color:var(--bg);box-shadow:none;}
.admin-root,.admin-page{background:var(--bg);}
.admin-sidebar{background:var(--ink);border-right:1px solid #34342f;}
.admin-sidebar a{border-radius:0;}
.admin-sidebar a.active,.admin-sidebar a:hover{background:var(--signal);color:var(--ink);}
.admin-toolbar{border-radius:0;background:var(--bg);border-color:var(--line);}
.admin-panel-head h2,.admin-panel-head h3,.admin-toolbar h1,.admin-toolbar h2{letter-spacing:-.04em;}
table.admin-table th{background:var(--ink);color:var(--bg);}
table.admin-table tbody tr:hover,table.admin-table tbody tr.selected{background:#fff7b9;}

@media(max-width:760px){
  .nav-inner{height:64px;}
  .nav-links.open{top:64px;background:var(--bg);border-color:var(--ink);}
  .nav-links a.router-link-active::after,.nav-links a.nav-section-active::after{display:none;}
  .hero-core{padding-left:24px;padding-right:24px;padding-bottom:74px;}
  .hero h1{font-size:clamp(46px,14vw,82px);}
  .hero-banner::before{inset:12px;}
  .table-wrap{box-shadow:5px 5px 0 var(--signal);}
  .page-hero{padding-top:84px;padding-bottom:72px;}
  .page-hero h1{font-size:clamp(48px,15vw,82px);}
  .cta{box-shadow:6px 6px 0 var(--blue);}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;scroll-behavior:auto !important;transition-duration:.01ms !important;}
  .motion-reveal{opacity:1;transform:none;}
}

/* 全站统一使用系统已安装的思源宋体，避免中英文混用造成的视觉跳变。 */
body,body *{
  font-family:"Source Han Serif SC","Noto Serif SC","思源宋体",serif !important;
}
body{font-feature-settings:"kern" 1,"liga" 1;}

/* ===== Cinematic dark product redesign ===== */
:root{
  --blue:#0a84ff;
  --blue-strong:#64d2ff;
  --blue-deep:#0071e3;
  --blue-50:rgba(10,132,255,.14);
  --blue-100:rgba(10,132,255,.22);
  --blue-200:rgba(100,210,255,.34);
  --ink-btn:#f5f5f7;
  --ink-btn-hover:#fff;
  --ink:#f5f5f7;
  --slate:#a1a1a6;
  --slate-soft:#86868b;
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --bg:#000;
  --bg-soft:#06070b;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1440px;
  --signal:#64d2ff;
  --night:#000;
}
html{background:#000;}
body{background:#000;color:var(--slate);line-height:1.58;}
body::selection{background:#0a84ff;color:#fff;}
.wrap{max-width:var(--maxw);padding-left:32px;padding-right:32px;}
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.045em;}
p{color:var(--slate);}
a{color:var(--blue-strong);}
section{padding:clamp(88px,10vw,156px) 0;background:#000;border-bottom:0;}
.arch-soft{background:#06070b;}
.eyebrow{color:#64d2ff;font-size:11px;font-weight:700;letter-spacing:.18em;}
.section-head{max-width:820px;margin-bottom:clamp(34px,5vw,64px);}
.section-head h2{font-size:clamp(40px,5.4vw,76px);line-height:1.04;margin-bottom:18px;}
.section-head p{max-width:600px;font-size:16px;}

header.nav{background:rgba(0,0,0,.74);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(20px) saturate(130%);}
header.nav::after{display:none;}
.nav-inner{height:52px;}
.brand{color:#f5f5f7;font-size:14px;font-weight:600;letter-spacing:-.02em;}
.brand svg{width:22px;height:22px;filter:none;}
.nav-links{gap:27px;}
.nav-links a,.account-menu-toggle{color:#d2d2d7;font-size:12px;font-weight:500;letter-spacing:0;}
.nav-links a:hover,.account-menu-toggle:hover,.account-menu-toggle.nav-section-active{color:#fff;}
.nav-links a.router-link-active,.nav-links a.nav-section-active{color:#fff;}
.nav-links a.router-link-active::after,.nav-links a.nav-section-active::after{bottom:-16px;height:1px;background:#0a84ff;}
.menu-toggle{color:#f5f5f7;}
.account-menu-panel{top:30px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:rgba(20,20,24,.98);box-shadow:0 18px 48px rgba(0,0,0,.5);}
.account-menu-panel button{color:#d2d2d7;}
.account-menu-panel button:hover{background:rgba(255,255,255,.08);color:#fff;}

.hero{position:relative;display:grid;align-items:end;min-height:min(860px,100vh);padding:0;background:#000;overflow:hidden;isolation:isolate;}
.hero-banner{position:absolute;inset:0;height:auto;background:#000;}
.hero-banner::before{inset:0;border:0;background:rgba(0,0,0,.36);animation:none;}
.hero-banner::after{inset:0;background:rgba(0,0,0,.24);box-shadow:inset 0 -280px 180px rgba(0,0,0,.94);}
.hero-banner img{height:100%;width:100%;opacity:.78;filter:grayscale(.22) contrast(1.14) brightness(.68);object-position:center 48%;transform:scale(1.03);animation:cinematic-drift 18s ease-in-out infinite alternate;}
.hero > .wrap{position:relative;z-index:3;width:100%;}
.hero-core{max-width:940px;padding:clamp(170px,24vw,330px) 0 clamp(72px,9vw,128px);margin:0;text-align:center;animation:hero-settle .9s cubic-bezier(.2,.8,.2,1) both;}
.hero h1{max-width:900px;margin:0 auto 22px;color:#f5f5f7;font-size:clamp(50px,7.8vw,110px);line-height:.94;letter-spacing:-.075em;text-wrap:balance;}
.hero h1 .accent{color:#80bfff;text-shadow:0 0 30px rgba(10,132,255,.34);}
.hero-lead{max-width:560px;margin:0 auto 28px;color:#d2d2d7;font-size:clamp(15px,1.45vw,19px);}
.hero-actions{justify-content:center;gap:12px;}
.btn-primary,.btn-white,.btn-secondary,.btn-ghost{min-height:42px;border-radius:999px;padding:0 18px;font-size:13px;font-weight:600;letter-spacing:0;box-shadow:none;}
.btn-primary::after,.btn-white::after,.btn-secondary::after,.btn-ghost::after{display:none;}
.btn-primary{background:#0a84ff;color:#fff;border-color:#0a84ff;}
.btn-primary:hover{background:#2997ff;color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(10,132,255,.3);}
.btn-ghost,.btn-secondary{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#f5f5f7;}
.btn-ghost:hover,.btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff;transform:translateY(-1px);}
.btn-white{background:#f5f5f7;border-color:#f5f5f7;color:#000;}
.btn-white:hover{background:#fff;color:#000;transform:translateY(-1px);}

.grid-3{gap:16px;}
.card,.feat,.tile,.auth-panel,.account-aside,.download-card,.download-notes,.account-box,.admin-panel,.metric,.shot-card{border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);background:#0b0b0e;box-shadow:none;}
.card,.feat,.tile{padding:26px;}
.card::before,.feat::before,.tile::before{display:none;}
.card:hover,.feat:hover,.tile:hover{background:#111116;border-color:rgba(100,210,255,.42);transform:translateY(-3px);box-shadow:0 16px 42px rgba(0,0,0,.32);}
.card h3,.feat h3,.tile h3{color:#f5f5f7;}
.card p,.feat p,.tile p{color:#a1a1a6;font-size:14px;}
.card .icn,a.tile .icn,.feat .icn,.arch-row .label .icn{background:rgba(10,132,255,.15);color:#64d2ff;border-radius:10px;}

.table-wrap{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:#0b0b0e;box-shadow:none;animation:none;overflow:hidden;}
table.routes thead{background:#111116;color:#f5f5f7;}
table.routes th{color:#a1a1a6;font-size:11px;letter-spacing:.08em;}
table.routes td{color:#d2d2d7;border-color:rgba(255,255,255,.08);background:transparent;}
table.routes tbody tr:hover{background:rgba(10,132,255,.09);}
.chip,.cov-chip{border-radius:999px;background:rgba(10,132,255,.14);color:#80bfff;border:1px solid rgba(100,210,255,.18);font-size:11px;font-weight:600;}
.route-name a,.more{color:#64d2ff;}
.route-sw,.route-detail{color:#a1a1a6;}
.note{border:1px solid rgba(10,132,255,.34);border-radius:var(--radius);background:rgba(10,132,255,.1);color:#d2e8ff;}
.note svg{color:#64d2ff;}

.cov-top{border-bottom-color:rgba(255,255,255,.1);}
.cov-stat{color:#f5f5f7;font-size:clamp(76px,11vw,150px);text-shadow:0 0 42px rgba(10,132,255,.2);}
.cov-lede,.cov-note,.cov-label span{color:#86868b;}
.cov-fill{background:#0a84ff;box-shadow:0 0 16px rgba(10,132,255,.45);}
.cov-fill.warn{background:#64d2ff;}
.cov-track{background:#1b1b20;border-radius:999px;}
.cov-val{color:#d2d2d7;}
.cov-val.pill{background:rgba(255,255,255,.08);border-radius:999px;color:#d2d2d7;}
.shot-card{overflow:hidden;background:#0b0b0e;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;}
.shot-card:hover{transform:translateY(-4px);border-color:rgba(100,210,255,.42);box-shadow:0 20px 50px rgba(0,0,0,.4);}
.shot-card img{filter:brightness(.88) contrast(1.06);}
.shot-card:hover img{filter:brightness(1) contrast(1.04);transform:scale(1.015);}
.shot-card figcaption{min-height:0;background:#0b0b0e;color:#a1a1a6;padding:16px 18px;font-size:13px;}
.assure{border-color:rgba(255,255,255,.1);}
.assure > div{color:#f5f5f7;border-color:rgba(255,255,255,.1);}
.assure span{color:#86868b;}
.cta{border:1px solid rgba(100,210,255,.22);border-radius:24px;background:#090a10;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 28px 80px rgba(0,0,0,.42);}
.cta h2{color:#f5f5f7;font-size:clamp(40px,5vw,68px);}
.cta p{color:#a1a1a6;}

.page-hero{background:#000;padding:clamp(120px,15vw,220px) 0 clamp(72px,8vw,120px);border-bottom:1px solid rgba(255,255,255,.1);}
.page-hero h1{max-width:900px;color:#f5f5f7;font-size:clamp(52px,7vw,100px);line-height:.98;letter-spacing:-.07em;}
.page-hero p{max-width:560px;color:#a1a1a6;font-size:17px;}
.page-hero .eyebrow{color:#64d2ff;}
.breadcrumbs{background:#000;border-color:rgba(255,255,255,.1);}
.breadcrumbs a,.breadcrumbs .current{color:#a1a1a6;}
.breadcrumbs a:hover{color:#f5f5f7;}
.breadcrumbs .sep{color:#64d2ff;}

.form-row label{color:#d2d2d7;}
.form-row input,.recharge-row input,.admin-search input,.admin-search select,.balance-editor input,.password-editor input{background:#101014;color:#f5f5f7;border-color:rgba(255,255,255,.15);border-radius:10px;}
.form-row input:focus,.recharge-row input:focus,.admin-search input:focus,.admin-search select:focus,.balance-editor input:focus,.password-editor input:focus{border-color:#0a84ff;box-shadow:0 0 0 4px rgba(10,132,255,.18);}
.agreement-box,.auth-tabs{background:#111116;border-color:rgba(255,255,255,.1);border-radius:12px;}
.auth-tabs a.active,.auth-tabs button.active{background:#f5f5f7;color:#000;border-radius:9px;}
.download-icon{background:rgba(10,132,255,.15);color:#64d2ff;border-radius:14px;}
.account-aside dd{background:rgba(10,132,255,.12);color:#d2e8ff;}
.admin-root,.admin-page{background:#000;}
.admin-sidebar{background:#09090b;border-color:rgba(255,255,255,.1);}
.admin-sidebar a{color:#a1a1a6;border-radius:9px;}
.admin-sidebar a.active,.admin-sidebar a:hover{background:rgba(10,132,255,.16);color:#f5f5f7;}
.admin-toolbar{border-color:rgba(255,255,255,.1);border-radius:var(--radius);background:#0b0b0e;}
.admin-panel{background:#0b0b0e;}
.metric{background:#0b0b0e;}
table.admin-table th{background:#111116;color:#a1a1a6;}
table.admin-table td{border-color:rgba(255,255,255,.08);color:#d2d2d7;}
table.admin-table tbody tr:hover,table.admin-table tbody tr.selected{background:rgba(10,132,255,.1);}
.admin-mini-card,.usage-item,.llm-model-card{background:#101014;border-color:rgba(255,255,255,.1);border-radius:12px;}
.admin-mini-card.active,.admin-mini-card:hover{background:rgba(10,132,255,.13);border-color:rgba(100,210,255,.42);}

footer{background:#000;color:#86868b;border-top:1px solid rgba(255,255,255,.1);}
footer .brand,footer h5{color:#f5f5f7;}
footer .brand svg{filter:none;}
footer a{color:#86868b;}
footer a:hover{color:#f5f5f7;}
.foot-bottom{border-color:rgba(255,255,255,.1);}

.motion-reveal{transform:translateY(18px);transition:opacity .8s ease var(--motion-delay),transform .8s cubic-bezier(.2,.75,.25,1) var(--motion-delay);}
@keyframes cinematic-drift{from{transform:scale(1.03) translate3d(-.8%,0,0)}to{transform:scale(1.08) translate3d(.8%,-.8%,0)}}
@keyframes hero-settle{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}

@media(max-width:760px){
  .wrap{padding-left:20px;padding-right:20px;}
  .nav-inner{height:48px;}
  .nav-links.open{top:48px;background:rgba(8,8,10,.98);border-color:rgba(255,255,255,.15);}
  .hero{min-height:720px;}
  .hero-core{padding-top:270px;padding-bottom:64px;}
  .hero h1{font-size:clamp(46px,14vw,72px);}
  .hero-lead{font-size:15px;}
  .page-hero{padding-top:120px;padding-bottom:70px;}
  .page-hero h1{font-size:clamp(48px,14vw,70px);}
  .card,.feat,.tile{padding:22px;}
  .cta{border-radius:18px;padding:42px 24px;}
  table.routes tbody tr:nth-child(even){background:#0b0b0e;}
  table.routes tr{border-color:rgba(255,255,255,.08);}
  table.routes td::before{color:#64d2ff;}
}

.assure{background:#0b0b0e;border-radius:var(--radius);overflow:hidden;}

/* 首页动态光场：用可控的 CSS 层叠出 Inspira UI 式的深度与信号感。 */
.hero-stage{--pointer-x:50%;--pointer-y:44%;isolation:isolate;}
.hero-stage::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at var(--pointer-x) var(--pointer-y),rgba(42,150,255,.18),transparent 24%),radial-gradient(circle at 50% 80%,rgba(8,19,48,.72),transparent 58%);mix-blend-mode:screen;opacity:.95;transition:background-position .18s ease;}
.hero-stage::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.1) 0%,transparent 38%,rgba(0,0,0,.82) 100%);}
.hero-stage .hero-banner{z-index:0;overflow:hidden;}
.hero-stage .hero-banner::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;border:0;background:radial-gradient(ellipse at 50% 34%,transparent 0%,rgba(0,0,0,.1) 38%,rgba(0,0,0,.62) 100%);}
.hero-stage .hero-banner::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;background:repeating-linear-gradient(180deg,transparent 0,transparent 3px,rgba(255,255,255,.018) 4px,transparent 5px);opacity:.32;}
.hero-stage .hero-banner img{position:relative;z-index:0;}
.hero-light-field,.hero-grid,.hero-orbit,.hero-pulse-node{position:absolute;inset:0;pointer-events:none;}
.hero-light-field{z-index:4;overflow:hidden;mix-blend-mode:screen;}
.hero-light{position:absolute;display:block;border-radius:50%;filter:blur(12px);opacity:.55;}
.hero-light-one{width:min(48vw,720px);height:min(48vw,720px);left:calc(var(--pointer-x) - 24vw);top:calc(var(--pointer-y) - 24vw);background:radial-gradient(circle,rgba(30,139,255,.24),rgba(30,139,255,.06) 32%,transparent 70%);transition:left .7s cubic-bezier(.2,.8,.2,1),top .7s cubic-bezier(.2,.8,.2,1);}
.hero-light-two{width:460px;height:460px;right:-120px;top:-150px;background:radial-gradient(circle,rgba(86,220,255,.28),transparent 68%);animation:hero-light-float 9s ease-in-out infinite alternate;}
.hero-beam{position:absolute;display:block;width:1px;height:72%;top:12%;background:linear-gradient(180deg,transparent,rgba(88,207,255,.42),transparent);box-shadow:0 0 20px rgba(31,157,255,.4);transform-origin:center;opacity:.5;}
.hero-beam-one{left:18%;transform:rotate(18deg);animation:hero-beam-sway 8s ease-in-out infinite alternate;}
.hero-beam-two{right:22%;transform:rotate(-24deg);animation:hero-beam-sway 11s ease-in-out -2s infinite alternate-reverse;opacity:.3;}
.hero-scanline{position:absolute;left:0;right:0;top:20%;height:1px;background:linear-gradient(90deg,transparent,rgba(104,215,255,.52),transparent);box-shadow:0 0 18px rgba(48,172,255,.7);animation:hero-scan 7s linear infinite;}
.hero-grid{z-index:3;inset:auto 0 0;height:58%;opacity:.25;background-image:linear-gradient(rgba(100,210,255,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(100,210,255,.11) 1px,transparent 1px);background-size:64px 64px;transform:perspective(500px) rotateX(58deg) scale(1.55);transform-origin:center bottom;mask-image:linear-gradient(to top,rgba(0,0,0,.85),transparent 88%);}
.hero-orbit{z-index:4;inset:50% auto auto 50%;border:1px solid rgba(105,211,255,.22);border-radius:50%;transform:translate(-50%,-50%) rotate(-18deg);box-shadow:0 0 26px rgba(50,162,255,.12);}
.hero-orbit span{display:block;position:absolute;width:6px;height:6px;right:11%;top:7%;border-radius:50%;background:#9ceaff;box-shadow:0 0 0 5px rgba(77,193,255,.12),0 0 24px 5px rgba(77,193,255,.72);}
.orbit-one{width:min(72vw,940px);height:min(28vw,370px);animation:hero-orbit-spin 18s linear infinite;}
.orbit-two{width:min(54vw,720px);height:min(18vw,240px);transform:translate(-50%,-50%) rotate(26deg);opacity:.45;animation:hero-orbit-spin-reverse 13s linear infinite;}
.orbit-two span{left:10%;right:auto;top:auto;bottom:4%;background:#55e6c1;box-shadow:0 0 0 5px rgba(85,230,193,.12),0 0 24px 5px rgba(85,230,193,.65);}
.hero-pulse-node{z-index:4;inset:50% auto auto 50%;width:18px;height:18px;border-radius:50%;transform:translate(-50%,-50%);background:rgba(124,224,255,.9);box-shadow:0 0 0 0 rgba(55,176,255,.65),0 0 38px 8px rgba(55,176,255,.55);animation:hero-node-pulse 2.8s ease-out infinite;}
.hero-status,.hero-readout{position:absolute;z-index:6;pointer-events:none;font-family:ui-monospace,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;text-shadow:0 1px 12px rgba(0,0,0,.8);}
.hero-status{top:34px;font-size:10px;color:rgba(216,239,255,.75);display:flex;align-items:center;gap:8px;}
.hero-status-left{left:max(32px,calc((100% - 1440px)/2 + 32px));}
.hero-status-right{right:max(32px,calc((100% - 1440px)/2 + 32px));color:rgba(216,239,255,.56);gap:12px;}
.hero-status-right b{font-weight:400;color:#8be7ff;}
.status-dot{width:6px;height:6px;border-radius:50%;background:#58e6c1;box-shadow:0 0 0 4px rgba(88,230,193,.14),0 0 14px rgba(88,230,193,.8);animation:status-blink 2.4s ease-in-out infinite;}
.hero-readout{bottom:56px;display:flex;flex-direction:column;gap:4px;border-left:1px solid rgba(125,216,255,.5);padding-left:12px;color:rgba(184,220,238,.52);font-size:9px;line-height:1.5;}
.hero-readout b{font-family:inherit;font-size:12px;font-weight:500;letter-spacing:.03em;color:rgba(236,247,255,.92);}
.hero-readout i{font-family:inherit;font-style:normal;font-size:9px;letter-spacing:.02em;color:rgba(130,218,255,.8);}
.hero-readout-left{left:max(32px,calc((100% - 1440px)/2 + 32px));}
.hero-readout-right{right:max(32px,calc((100% - 1440px)/2 + 32px));border-left:0;border-right:1px solid rgba(125,216,255,.5);padding-left:0;padding-right:12px;text-align:right;}
.hero-stage .hero-core{position:relative;z-index:7;}
.hero-stage .hero-core .eyebrow{animation:hero-label-in .8s .2s both;}
.hero-stage .hero-core h1{animation:hero-title-in 1s .12s cubic-bezier(.2,.8,.2,1) both;}
.hero-stage .hero-core .hero-lead{animation:hero-title-in 1s .24s cubic-bezier(.2,.8,.2,1) both;}
.hero-stage .hero-core .hero-actions{animation:hero-title-in 1s .36s cubic-bezier(.2,.8,.2,1) both;}
@keyframes hero-light-float{from{transform:translate3d(-20px,12px,0) scale(.9);opacity:.35}to{transform:translate3d(16px,28px,0) scale(1.1);opacity:.68}}
@keyframes hero-beam-sway{from{transform:rotate(15deg) translateX(-18px)}to{transform:rotate(23deg) translateX(22px)}}
@keyframes hero-scan{0%{transform:translateY(-20vh);opacity:0}14%,78%{opacity:.75}100%{transform:translateY(78vh);opacity:0}}
@keyframes hero-orbit-spin{from{transform:translate(-50%,-50%) rotate(-18deg)}to{transform:translate(-50%,-50%) rotate(342deg)}}
@keyframes hero-orbit-spin-reverse{from{transform:translate(-50%,-50%) rotate(26deg)}to{transform:translate(-50%,-50%) rotate(-334deg)}}
@keyframes hero-node-pulse{0%{box-shadow:0 0 0 0 rgba(55,176,255,.65),0 0 38px 8px rgba(55,176,255,.55)}70%{box-shadow:0 0 0 38px rgba(55,176,255,0),0 0 50px 10px rgba(55,176,255,.18)}100%{box-shadow:0 0 0 0 rgba(55,176,255,0),0 0 38px 8px rgba(55,176,255,.55)}}
@keyframes status-blink{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes hero-label-in{from{opacity:0;transform:translateY(12px);letter-spacing:.26em}to{opacity:1;transform:none;letter-spacing:.18em}}
@keyframes hero-title-in{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@media(max-width:760px){
  .hero-status{top:20px;font-size:8px;}
  .hero-status-left,.hero-readout-left{left:20px;}
  .hero-status-right,.hero-readout-right{right:20px;}
  .hero-status-right{display:none;}
  .hero-readout{bottom:28px;font-size:8px;}
  .hero-readout b{font-size:10px;}
  .hero-readout i{font-size:8px;}
  .hero-grid{height:44%;background-size:44px 44px;}
  .orbit-one{width:120vw;height:48vw;}
  .orbit-two{width:100vw;height:34vw;}
  .hero-pulse-node{width:12px;height:12px;}
}
@media(prefers-reduced-motion:reduce){
  .hero-light,.hero-beam,.hero-scanline,.hero-orbit,.hero-pulse-node,.status-dot,.hero-stage .hero-core>*{animation:none!important;transition:none!important;}
  .hero-light-one{left:50%;top:44%;}
}

/* ===== Unified type and layout refinement =====
   A final, shared scale keeps every public and management page readable. */
:root{
  --maxw:1480px;
  --type-xs:12px;
  --type-sm:14px;
  --type-base:16px;
  --type-lg:18px;
  --copy:#d0d0d6;
  --muted:#aaaab2;
  --quiet:#85858f;
}
html{font-size:16px;}
body,body *{
  font-family:"Source Han Sans SC","Noto Sans CJK SC","Noto Sans SC","思源黑体","Microsoft YaHei",sans-serif !important;
}
body{
  color:var(--copy);
  font-size:var(--type-base);
  font-weight:400;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,select,textarea{letter-spacing:0;}
h1,h2,h3,h4,h5,h6{
  font-weight:600;
  letter-spacing:0;
  line-height:1.18;
}
p,li,dd,td{line-height:1.72;}
p{color:var(--copy);}
.wrap{max-width:var(--maxw);}
section{padding:112px 0;}
.arch-soft{background:#06070b;}

/* Shared navigation and headings */
.nav-inner{height:58px;}
.brand{font-size:15px;font-weight:600;}
.nav-links{gap:30px;}
.nav-links a,.account-menu-toggle{font-size:14px;font-weight:500;}
.eyebrow{font-size:var(--type-xs);font-weight:700;letter-spacing:.12em;}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{font-size:52px;line-height:1.16;margin-bottom:16px;letter-spacing:0;}
.section-head p{max-width:660px;color:var(--muted);font-size:var(--type-lg);line-height:1.7;}
.hero-core .eyebrow{font-size:18px;line-height:1.4;}
.page-hero{padding:156px 0 96px;}
.page-hero h1{max-width:860px;font-size:64px;line-height:1.12;letter-spacing:0;}
.page-hero p{max-width:640px;color:var(--muted);font-size:var(--type-lg);line-height:1.7;}
.breadcrumbs .wrap{font-size:var(--type-sm);}

/* The image remains cinematic, while foreground copy gets a clean reading zone. */
.hero{min-height:780px;}
.hero-stage::before{opacity:.72;}
.hero-stage::after{background:linear-gradient(180deg,rgba(0,0,0,.34) 0%,rgba(0,0,0,.28) 36%,rgba(0,0,0,.92) 100%);}
.hero-stage .hero-banner::before{background:radial-gradient(ellipse at 50% 34%,rgba(0,0,0,.03) 0%,rgba(0,0,0,.2) 44%,rgba(0,0,0,.76) 100%);}
.hero-banner img{filter:grayscale(.08) contrast(1.12) brightness(.48) saturate(1.08);object-position:center center;}
.hero-core{max-width:940px;padding:310px 0 100px;}
.hero h1{max-width:920px;margin-bottom:20px;font-size:88px;line-height:1.08;letter-spacing:0;text-shadow:0 4px 28px rgba(0,0,0,.5);}
.hero-lead{max-width:620px;margin-bottom:30px;color:#e1e1e6;font-size:var(--type-lg);line-height:1.72;}
.hero-status,.hero-readout{display:none;}
.btn-primary,.btn-white,.btn-secondary,.btn-ghost{min-height:46px;padding:0 20px;font-size:var(--type-sm);font-weight:600;}

/* Cards, grids and visual proof */
.grid-3{gap:20px;}
.card,.feat,.tile{padding:30px;}
.card .icn,a.tile .icn,.feat .icn{width:46px;height:46px;margin-bottom:20px;}
.card h3,.feat h3,.tile h3{font-size:20px;line-height:1.35;margin-bottom:10px;}
.card p,.feat p,.tile p{color:var(--muted);font-size:var(--type-base);line-height:1.72;}
.card ul{font-size:var(--type-base);line-height:1.72;}
.card li{margin-bottom:8px;}
.card .more,a.tile .more,.more,.text-link{font-size:var(--type-sm);font-weight:600;}
.shot-card figcaption{color:var(--copy);padding:18px 20px;font-size:var(--type-sm);line-height:1.6;}
.assure > div{padding:26px 28px;font-size:var(--type-base);line-height:1.55;}
.assure span{margin-top:8px;color:var(--muted);font-size:var(--type-sm);line-height:1.65;}
.cov-label b{font-size:var(--type-base);}
.cov-label span,.cov-val{font-size:var(--type-sm);}
.cov-lede,.cov-note{font-size:var(--type-base);line-height:1.72;}
.chip,.cov-chip{font-size:var(--type-xs);}
.cta{padding:76px 34px;}
.cta h2{font-size:52px;line-height:1.18;letter-spacing:0;}
.cta p{font-size:var(--type-lg);line-height:1.7;}

/* Dense route and admin data stays scan-friendly instead of shrinking to micro-copy. */
.table-wrap{border-color:rgba(255,255,255,.16);}
table.routes,table.admin-table{font-size:var(--type-sm);}
table.routes th,table.admin-table th{font-size:var(--type-xs);font-weight:700;letter-spacing:.08em;}
table.routes th{padding:16px 18px;}
table.routes td{padding:18px;color:var(--copy);}
.route-name{font-size:var(--type-base);line-height:1.4;}
.route-sw,.route-detail,.cell-list{font-size:var(--type-sm);line-height:1.68;}
.cell-list code,.spec .v code,.prose code,.route-detail code,.card code{font-size:13px;}
.note p,.spec .k,.spec .v,.rule p,.arch-row .desc,.trust p,.feat p,.prose p{font-size:var(--type-base);line-height:1.72;}
.arch-row .label h4,.trust h4,.skills h4,.feat h4{font-size:var(--type-base);}
.prose h3{font-size:24px;line-height:1.32;letter-spacing:0;}
.stat .lbl,.foot-brand p,.foot-col a,.foot-bottom,.legal-doc .legal-date{font-size:var(--type-sm);line-height:1.65;}

/* Forms, accounts and the management area follow the same two text sizes. */
.form-row label,.form-message,.agreement-box{font-size:var(--type-sm);}
.form-row input,.recharge-row input,.admin-search input,.admin-search select,.balance-editor input,.password-editor input{font-size:var(--type-base);}
.account-aside h2,.download-card h2,.download-notes h3,.account-box h3{font-size:24px;line-height:1.3;letter-spacing:0;}
.account-box p,.download-notes p{font-size:var(--type-base);line-height:1.72;}
.admin-logo{font-size:18px;letter-spacing:0;}
.admin-side-label,.admin-kicker{font-size:var(--type-xs);}
.admin-sidebar a{font-size:var(--type-sm);}
.admin-toolbar h1,.admin-toolbar h2{font-size:32px;line-height:1.2;letter-spacing:0;}
.admin-toolbar p,.admin-panel-head p{font-size:var(--type-base);line-height:1.65;}
.admin-panel-head h2,.admin-panel-head h3{font-size:24px;line-height:1.3;letter-spacing:0;}
.metric span,.admin-mini-card span,.admin-mini-card small,.usage-item dt,.usage-item time{font-size:var(--type-xs);}
.metric strong,.admin-mini-card strong{font-size:24px;}
.usage-item strong{font-size:var(--type-base);}
.usage-item span{font-size:var(--type-sm);}
table.admin-table th{padding:14px 16px;}
table.admin-table td{padding:15px 16px;}
table.admin-table td small{font-size:var(--type-xs);}

@media(max-width:1100px){
  section{padding:92px 0;}
  .hero{min-height:720px;}
  .hero-core{padding-top:260px;padding-bottom:88px;}
  .hero h1{font-size:64px;}
  .section-head h2,.cta h2{font-size:44px;}
  .page-hero h1{font-size:52px;}
}
@media(max-width:760px){
  body{font-size:16px;line-height:1.68;}
  .wrap{padding-left:20px;padding-right:20px;}
  section{padding:72px 0;}
  .nav-inner{height:54px;}
  .nav-links.open{top:54px;}
  .nav-links a,.account-menu-toggle{font-size:var(--type-sm);}
  .section-head{margin-bottom:30px;}
  .section-head h2,.cta h2{font-size:34px;line-height:1.22;}
  .section-head p,.page-hero p,.hero-lead{font-size:var(--type-base);}
  .page-hero{padding:112px 0 68px;}
  .page-hero h1{font-size:40px;line-height:1.2;}
  .hero{min-height:650px;}
  .hero-core{padding:232px 0 64px;}
  .hero h1{font-size:42px;line-height:1.2;}
  .hero-actions{gap:10px;}
  .btn-primary,.btn-white,.btn-secondary,.btn-ghost{min-height:44px;padding:0 16px;font-size:var(--type-sm);}
  .grid-3{gap:14px;}
  .card,.feat,.tile{padding:24px;}
  .card h3,.feat h3,.tile h3{font-size:19px;}
  .card p,.feat p,.tile p{font-size:var(--type-base);}
  .assure > div{padding:22px 24px;}
  .cta{padding:48px 24px;border-radius:18px;}
  table.routes td{padding:16px 18px;}
  table.routes td::before{font-size:var(--type-xs);letter-spacing:.08em;}
  .route-name{font-size:17px;}
  .route-sw,.route-detail,.cell-list{font-size:var(--type-sm);}
  .admin-toolbar h1,.admin-toolbar h2{font-size:28px;}
}
@media(max-width:380px){
  .hero h1{font-size:38px;}
  .page-hero h1{font-size:36px;}
  .section-head h2,.cta h2{font-size:32px;}
}

/* ===== Hero optical centering ===== */
.hero > .wrap{
  display:flex;
  justify-content:center;
}
.hero-core{
  width:100%;
  margin-left:auto;
  margin-right:auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.hero-core > .eyebrow,
.hero-core > h1,
.hero-core > .hero-lead,
.hero-core > .hero-actions{
  width:100%;
  text-align:center;
}
.hero-core > h1{
  margin-left:auto;
  margin-right:auto;
}
.hero-core > .hero-actions{
  justify-content:center;
}

/* Header language switch */
.locale-toggle{
  display:inline-flex;
  align-items:center;
  gap:3px;
  min-height:30px;
  padding:3px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  background:rgba(255,255,255,.05);
  color:#a9a9b2;
  font:inherit;
  font-size:12px;
  font-weight:600;
  cursor:pointer;
}
.locale-toggle span{display:inline-flex;align-items:center;justify-content:center;min-width:25px;height:23px;border-radius:999px;}
.locale-toggle span.active{background:#f5f5f7;color:#000;}
.locale-toggle:hover{border-color:rgba(100,210,255,.48);color:#fff;}

/* ===== Legal document reading surface ===== */
.legal-hero{
  position:relative;
  overflow:hidden;
  background:#000;
}
.legal-hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:260px;
  right:4%;
  top:24%;
  border:1px solid rgba(100,210,255,.2);
  border-radius:50%;
  transform:rotate(-18deg);
  box-shadow:0 0 70px rgba(10,132,255,.12);
  pointer-events:none;
}
.legal-hero .wrap{position:relative;z-index:1;}
.legal-hero h1{max-width:900px;}
.legal-hero p{max-width:700px;}
.legal-section{background:#000;}
.legal-layout{grid-template-columns:minmax(0,900px);}
.legal-doc{
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  background:#0b0b0e;
  padding:clamp(28px,4vw,56px);
  color:#c9c9d0;
  box-shadow:0 24px 80px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
}
.legal-doc::before{
  content:"";
  display:block;
  height:2px;
  margin:-20px -20px 32px;
  background:linear-gradient(90deg,#0a84ff,#64d2ff,transparent 82%);
  opacity:.9;
}
.legal-doc p,
.legal-doc li{
  color:#c6c6ce;
  font-size:16px;
  line-height:1.9;
  overflow-wrap:anywhere;
}
.legal-doc .legal-date{
  margin:0 0 24px;
  color:#8e8e98;
  font-size:13px;
  letter-spacing:.04em;
}
.legal-alert{
  margin:0 0 34px;
  border:1px solid rgba(100,210,255,.28);
  border-radius:12px;
  background:rgba(10,132,255,.1);
  padding:17px 20px;
  color:#d8efff !important;
  font-size:15px !important;
  line-height:1.75 !important;
}
.legal-doc h3{
  margin:42px 0 14px;
  padding:20px 0 0;
  border-top:1px solid rgba(255,255,255,.1);
  color:#f5f5f7;
  font-size:23px;
  font-weight:600;
  line-height:1.35;
  letter-spacing:0;
}
.legal-doc h3:first-of-type{margin-top:0;padding-top:0;border-top:0;}
.legal-doc ul{margin:0 0 4px;padding-left:24px;}
.legal-doc li{padding-left:6px;margin-bottom:10px;}
.legal-doc li::marker{color:#64d2ff;}
.legal-doc a{color:#64d2ff;}

@media(max-width:760px){
  .legal-hero::before{right:-240px;top:32%;transform:rotate(-18deg) scale(.72);}
  .legal-layout{grid-template-columns:minmax(0,1fr);}
  .legal-doc{padding:26px 20px;border-radius:14px;}
  .legal-doc::before{margin:-8px -8px 26px;}
  .legal-doc p,.legal-doc li{font-size:15px;line-height:1.85;}
  .legal-doc h3{margin-top:34px;font-size:20px;}
  .legal-alert{padding:15px 16px;font-size:14px !important;}
}

/* ===== Download workspace ===== */
.download-hero{
  position:relative;
  min-height:430px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:radial-gradient(circle at 76% 42%,rgba(10,132,255,.18),transparent 24%),#000;
}
.download-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.26;
  background-image:linear-gradient(rgba(100,210,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(100,210,255,.1) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(110deg,transparent 8%,#000 58%,transparent 100%);
}
.download-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:end;gap:44px;}
.download-hero-copy{padding-bottom:8px;}
.download-hero h1{margin:16px 0 18px;font-size:72px;line-height:1.08;letter-spacing:0;}
.download-hero h1 .accent{color:#80bfff;text-shadow:0 0 32px rgba(10,132,255,.3);}
.download-hero p{margin:0;color:#c8c8cf;font-size:18px;}
.download-hero-mark{position:relative;height:220px;display:grid;place-items:center;border:1px solid rgba(100,210,255,.18);border-radius:22px;background:radial-gradient(circle,rgba(10,132,255,.18),transparent 58%),rgba(5,10,18,.58);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 60px rgba(10,132,255,.12);overflow:hidden;}
.download-hero-mark::before,.download-hero-mark::after{content:"";position:absolute;border:1px solid rgba(100,210,255,.18);border-radius:50%;transform:rotate(-18deg);pointer-events:none;}
.download-hero-mark::before{inset:14% -18%;}
.download-hero-mark::after{inset:31% -30%;border-color:rgba(85,230,193,.16);}
.download-brand-halo{position:absolute;width:148px;height:148px;border:1px solid rgba(100,210,255,.34);border-radius:50%;box-shadow:0 0 34px rgba(10,132,255,.28),inset 0 0 22px rgba(100,210,255,.12);animation:download-mark-pulse 4s ease-in-out infinite;}
.download-brand-mark{position:relative;z-index:1;filter:drop-shadow(0 0 20px rgba(100,210,255,.5));animation:download-mark-float 5s ease-in-out infinite;}
.download-layout{max-width:1180px;grid-template-columns:minmax(0,1.16fr) minmax(300px,.74fr);gap:20px;align-items:stretch;}
.download-card,.download-notes{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:#0b0b0e;box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 24px 64px rgba(0,0,0,.3);}
.download-card{min-height:370px;padding:36px;}
.download-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#0a84ff,#64d2ff,transparent 80%);}
.download-card-head{display:flex;align-items:center;gap:18px;margin-bottom:28px;}
.download-icon{width:64px;height:64px;flex:0 0 auto;margin:0;border-radius:16px;background:rgba(10,132,255,.15);color:#64d2ff;box-shadow:0 0 28px rgba(10,132,255,.16);}
.download-kicker{display:block;margin-bottom:7px;color:#64d2ff;font-size:12px;font-weight:700;letter-spacing:.12em;}
.download-card h2,.download-notes h3{margin:0;color:#f5f5f7;font-size:26px;line-height:1.25;letter-spacing:0;}
.download-version{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:0 0 22px;padding:14px 16px;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:#101014;}
.download-version span{color:#9f9fa8;font-size:14px;}
.download-version strong{color:#f5f5f7;font-size:18px;font-weight:600;}
.download-card p{color:#b8b8c0;font-size:16px;line-height:1.7;}
.download-actions{margin-top:28px;}
.download-actions .btn-primary{min-height:48px;background:#64d2ff;color:#000 !important;border-color:#64d2ff;box-shadow:0 10px 28px rgba(100,210,255,.18);}
.download-actions .btn-primary:hover{background:#9ceaff;color:#000 !important;box-shadow:0 12px 32px rgba(100,210,255,.28);}
.download-actions .btn-primary:disabled{background:#202832;color:#8e9aa6 !important;border-color:#202832;box-shadow:none;}
.download-card .form-message{margin-top:18px;}
.download-card .form-message.error{color:#ff7b8e;}
.download-notes{min-height:370px;padding:36px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#101014,#08090d);}
.download-notes::after{content:"";position:absolute;right:-90px;bottom:-110px;width:260px;height:260px;border:1px solid rgba(100,210,255,.14);border-radius:50%;box-shadow:0 0 60px rgba(10,132,255,.1);}
.download-notes h3{margin-bottom:22px;}
.download-notes ul{position:relative;z-index:1;margin:0;padding:0;list-style:none;}
.download-notes li{position:relative;margin:0;padding:15px 0 15px 25px;border-bottom:1px solid rgba(255,255,255,.1);color:#c4c4cc;font-size:16px;line-height:1.6;}
.download-notes li::before{content:"";position:absolute;left:0;top:25px;width:7px;height:7px;border-radius:50%;background:#64d2ff;box-shadow:0 0 12px rgba(100,210,255,.7);}
.download-notes .more{position:relative;z-index:1;margin-top:24px;font-size:14px;}
.cta .btn-white,.cta .btn-white svg{color:#000 !important;}

/* ===== Device matrix ===== */
.routes-panel{position:relative;overflow:hidden;border:1px solid rgba(100,210,255,.24);background:linear-gradient(145deg,#0c1018,#07080c 62%);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 70px rgba(0,0,0,.3);}
.routes-panel::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,transparent,#64d2ff 18%,#0a84ff 52%,transparent 92%);opacity:.9;}
.routes-panel::after{content:"";position:absolute;right:-100px;top:-130px;width:300px;height:300px;border:1px solid rgba(100,210,255,.16);border-radius:50%;box-shadow:0 0 60px rgba(10,132,255,.1);pointer-events:none;}
.routes-panel table.routes{position:relative;z-index:1;}
.routes-panel table.routes thead{background:linear-gradient(90deg,#111c2a,#111116 70%);}
.routes-panel table.routes th{padding:18px;color:#a6e6ff;font-size:12px;letter-spacing:.1em;border-right:1px solid rgba(100,210,255,.15);}
.routes-panel table.routes td{padding:22px 18px;background:rgba(5,7,12,.3);border-color:rgba(255,255,255,.1);}
.routes-panel table.routes tbody tr:nth-child(even) td{background:rgba(10,132,255,.035);}
.routes-panel table.routes tbody tr{transition:background .25s ease,transform .25s ease;}
.routes-panel table.routes tbody tr:hover td{background:rgba(10,132,255,.11);}
.routes-panel .route-name{position:relative;display:block;padding-left:14px;font-size:17px;}
.routes-panel .route-name::before{content:"";position:absolute;left:0;top:6px;width:4px;height:16px;border-radius:2px;background:#64d2ff;box-shadow:0 0 14px rgba(100,210,255,.8);}
.routes-panel .route-name a{color:#e7f8ff;text-shadow:0 0 18px rgba(100,210,255,.18);}
.routes-panel .route-sw{display:block;margin:7px 0 8px;color:#8c9aa8;font-size:13px;}
.routes-panel .chip{background:rgba(10,132,255,.12);border-color:rgba(100,210,255,.32);color:#80dfff;transition:background .2s ease,border-color .2s ease;}
.routes-panel .chip:hover{background:rgba(100,210,255,.24);border-color:#64d2ff;}
.routes-panel .route-detail,.routes-panel td{color:#c3c8d0;}

/* ===== Coverage dashboard ===== */
.coverage-section{position:relative;overflow:hidden;background:#030609;}
.coverage-section::before{content:"";position:absolute;inset:0;opacity:.28;background-image:linear-gradient(rgba(100,210,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(100,210,255,.07) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(135deg,#000,transparent 76%);pointer-events:none;}
.coverage-section .wrap{position:relative;z-index:1;}
.coverage-panel{position:relative;padding:34px;border:1px solid rgba(100,210,255,.22);border-radius:18px;background:linear-gradient(145deg,rgba(10,18,30,.96),rgba(6,8,12,.98));box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 80px rgba(0,0,0,.34);overflow:hidden;}
.coverage-panel::before{content:"93";position:absolute;right:3%;top:-44px;color:rgba(100,210,255,.04);font-size:220px;font-weight:700;line-height:1;pointer-events:none;}
.coverage-panel .cov-top{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;margin:0 0 30px;padding:0 0 22px;border-bottom:1px solid rgba(255,255,255,.12);}
.coverage-panel .cov-top::after{content:"";position:absolute;right:18px;bottom:26px;width:122px;height:122px;border:1px solid rgba(100,210,255,.18);border-radius:50%;background:conic-gradient(from 220deg,rgba(10,132,255,.03),rgba(100,210,255,.32),rgba(10,132,255,.03) 72%);box-shadow:0 0 44px rgba(10,132,255,.14),inset 0 0 24px rgba(100,210,255,.08);animation:coverage-orbit 7s linear infinite;}
.coverage-panel .cov-top::before{content:"";position:absolute;right:75px;bottom:84px;width:7px;height:7px;border-radius:50%;background:#9ceaff;box-shadow:0 0 0 6px rgba(100,210,255,.12),0 0 24px 6px rgba(100,210,255,.7);z-index:1;}
.coverage-panel .cov-stat{background:linear-gradient(135deg,#ffffff 12%,#d7f5ff 45%,#64d2ff 78%,#0a84ff);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:148px;line-height:.8;letter-spacing:-.04em;text-shadow:0 0 46px rgba(10,132,255,.25);}
.coverage-panel .cov-stat::after{content:"覆盖率";display:block;margin:16px 0 0 9px;color:#64d2ff;font-size:12px;font-weight:700;letter-spacing:.15em;line-height:1;}
html[lang="en"] .coverage-panel .cov-stat::after{content:"Coverage";}
.coverage-panel .cov-rows{position:relative;z-index:1;display:flex;flex-direction:column;gap:4px;}
.coverage-panel .cov-row{position:relative;display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:24px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);}
.coverage-panel .cov-row:last-child{border-bottom:0;}
.coverage-panel .cov-label b{color:#f2f5f8;font-size:16px;font-weight:600;}
.coverage-panel .cov-label::before{content:"";display:inline-block;width:6px;height:6px;margin:0 10px 3px 0;border-radius:50%;background:#55e6c1;box-shadow:0 0 10px rgba(85,230,193,.75);}
.coverage-panel .cov-line{display:flex;align-items:center;gap:14px;min-width:0;}
.coverage-panel .cov-track{height:16px;flex:1;background:linear-gradient(180deg,#121e2b,#0b1119);border:1px solid rgba(100,210,255,.16);border-radius:99px;overflow:hidden;box-shadow:inset 0 2px 5px rgba(0,0,0,.45),0 0 12px rgba(10,132,255,.08);}
.coverage-panel .cov-fill{position:relative;display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#0071e3 0%,#0a84ff 42%,#64d2ff 100%);box-shadow:0 0 18px rgba(10,132,255,.55);transform-origin:left center;animation:coverage-fill-in 1.1s cubic-bezier(.2,.8,.2,1) both;}
.coverage-panel .cov-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);background-size:200% 100%;background-position:-100% 0;animation:coverage-sweep 2.8s ease-in-out infinite;}
.coverage-panel .cov-fill::before{content:"";position:absolute;right:0;top:50%;width:6px;height:6px;border-radius:50%;background:#e9fbff;box-shadow:0 0 0 4px rgba(100,210,255,.18),0 0 18px 4px rgba(100,210,255,.75);transform:translateY(-50%);}
.coverage-panel .cov-fill.warn{background:linear-gradient(90deg,#4dd7ff,#ffd166);box-shadow:0 0 18px rgba(255,209,102,.4);}
.coverage-panel .cov-val{min-width:48px;color:#dce6ef;font-size:14px;font-style:normal;font-weight:700;text-align:right;}
.coverage-panel .cov-val.pill{min-width:auto;padding:6px 11px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;color:#dfe6ed;white-space:nowrap;}
.coverage-panel .cov-val.pill.warn{background:rgba(255,183,0,.16);border-color:rgba(255,209,102,.35);color:#ffd166;}
@keyframes coverage-sweep{from{background-position:-100% 0}to{background-position:100% 0;}}
@keyframes coverage-fill-in{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes coverage-orbit{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

@media(max-width:760px){
  .download-hero{min-height:400px;}
  .download-hero-inner{display:block;}
  .download-hero h1{font-size:46px;}
  .download-hero-mark{display:none;}
  .download-layout{grid-template-columns:1fr;}
  .download-card,.download-notes{min-height:0;padding:26px 22px;}
  .download-card-head{align-items:flex-start;}
  .download-card h2,.download-notes h3{font-size:22px;}
  .coverage-panel{padding:24px 18px;}
  .coverage-panel .cov-stat{font-size:92px;}
  .coverage-panel .cov-top::after{right:-18px;bottom:24px;width:88px;height:88px;}
  .coverage-panel .cov-top::before{right:25px;bottom:64px;}
  .coverage-panel .cov-row{grid-template-columns:1fr;gap:8px;}
  .coverage-panel .cov-line{gap:10px;}
  .coverage-panel .cov-val{min-width:42px;}
  .coverage-panel .cov-val.pill{white-space:normal;text-align:center;}
  .routes-panel table.routes td{background:rgba(5,7,12,.6);}
}
@keyframes download-mark-pulse{0%,100%{transform:scale(.94);opacity:.65}50%{transform:scale(1.06);opacity:1}}
@keyframes download-mark-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ===== Global ambient light field ===== */
html{--ambient-x:50%;--ambient-y:42%;background:#02060b;}
body{position:relative;background:#02060b;}
body::before,
body::after{content:"";position:fixed;inset:0;pointer-events:none;}
body::before{z-index:0;background:radial-gradient(ellipse 42% 34% at var(--ambient-x) var(--ambient-y),rgba(20,145,255,.22),transparent 68%),radial-gradient(ellipse 52% 38% at 8% 14%,rgba(10,132,255,.16),transparent 72%),radial-gradient(ellipse 46% 36% at 88% 64%,rgba(38,110,184,.12),transparent 74%),radial-gradient(ellipse 35% 28% at 52% 100%,rgba(0,209,255,.07),transparent 72%);filter:blur(28px);opacity:.78;animation:global-light-drift 22s ease-in-out infinite alternate;transition:opacity .5s ease;}
body::after{z-index:0;opacity:.2;background-image:radial-gradient(circle at var(--ambient-x) var(--ambient-y),rgba(81,205,255,.16),transparent 22%),linear-gradient(rgba(100,210,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(100,210,255,.06) 1px,transparent 1px);background-size:auto,88px 88px,88px 88px;mask-image:linear-gradient(120deg,transparent 4%,#000 30%,#000 72%,transparent 100%);animation:global-grid-drift 30s linear infinite;}
#app{position:relative;z-index:1;isolation:isolate;}
section,.page-hero,.legal-section,.coverage-section,.arch-soft,footer,.admin-root,.admin-page{background-color:rgba(0,0,0,.58);}
.arch-soft{background-color:rgba(6,13,22,.68);}
.hero,.hero-banner,.admin-root,.admin-page{background-color:rgba(0,0,0,.56);}
.hero-banner{background:#02060b;}
@keyframes global-light-drift{from{transform:translate3d(-2%,0,0) scale(1);opacity:.56}to{transform:translate3d(2%,1%,0) scale(1.08);opacity:.86}}
@keyframes global-grid-drift{from{background-position:0 0}to{background-position:88px 88px}}
@media(prefers-reduced-motion:reduce){
  body::before,body::after{animation:none;transition:none;}
}

/* ===== Home full-screen story flow ===== */
@media(min-width:900px){
  .home-page{
    height:calc(100svh - 104px);
    overflow-y:auto;
    scroll-snap-type:y mandatory;
    scroll-behavior:smooth;
    scrollbar-width:thin;
    scrollbar-color:rgba(100,210,255,.45) transparent;
  }
  .home-page::-webkit-scrollbar{width:7px;}
  .home-page::-webkit-scrollbar-track{background:transparent;}
  .home-page::-webkit-scrollbar-thumb{background:rgba(100,210,255,.38);border-radius:999px;}
  .home-page > section{
    min-height:calc(100svh - 104px);
    display:flex;
    align-items:center;
    scroll-snap-align:start;
    scroll-snap-stop:always;
    padding:64px 0;
  }
  .home-page > section > .wrap{width:100%;}
  .home-page > .hero{min-height:calc(100svh - 104px);align-items:end;padding:0;}
  .home-page > .hero .hero-core{padding-top:210px;padding-bottom:78px;}
  .home-page > .coverage-section .coverage-panel{width:100%;}
  .home-page .shots-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
  .home-page .shot-card img{aspect-ratio:1.22;object-fit:cover;}
}
@media(max-width:899px){
  .home-page{display:block;}
}

@media(min-width:900px){
  .home-page > .devices-section .section-head,
  .home-page > .coverage-section .section-head,
  .home-page > .testing-section .section-head{max-width:940px;}
  .home-page > .devices-section .table-wrap{min-height:440px;display:flex;align-items:stretch;}
  .home-page > .devices-section table.routes{height:100%;}
  .home-page > .devices-section table.routes th{height:64px;}
  .home-page > .devices-section table.routes td{height:124px;}
  .home-page > .coverage-section .coverage-panel{min-height:490px;padding:42px;display:flex;flex-direction:column;justify-content:center;}
  .home-page > .coverage-section .coverage-panel .cov-top{margin-bottom:38px;}
  .home-page > .coverage-section .coverage-panel .cov-rows{gap:10px;}
  .home-page > .coverage-section .coverage-panel .cov-row{min-height:58px;padding:16px 0;}
  .home-page > .testing-section .shots-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .home-page > .testing-section .shot-card img{aspect-ratio:1.72;object-fit:cover;}
}
@media(max-width:899px){
  .home-page > .testing-section .shots-grid{grid-template-columns:1fr;}
}

/* ===== Product surface refinement ===== */
.hero-core{
  max-width:1120px;
  padding:clamp(220px,30vh,300px) 0 clamp(84px,10vh,118px);
}
.hero h1{
  max-width:1000px;
  font-size:clamp(50px,6vw,86px);
  line-height:1.02;
  text-wrap:balance;
}
.hero-title-line{display:block;white-space:nowrap;}
.hero-proof-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  width:min(100%,820px);
  margin:42px auto 0;
  border-top:1px solid rgba(255,255,255,.13);
  border-bottom:1px solid rgba(255,255,255,.13);
  text-align:left;
}
.hero-proof-item{
  position:relative;
  display:grid;
  grid-template-columns:34px 1fr;
  grid-template-rows:auto auto;
  column-gap:10px;
  padding:16px 18px;
  min-width:0;
}
.hero-proof-item + .hero-proof-item{border-left:1px solid rgba(255,255,255,.1);}
.hero-proof-index{grid-row:1 / span 2;color:#64d2ff;font:600 11px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.08em;}
.hero-proof-item b{color:#f5f5f7;font-size:13px;font-weight:600;line-height:1.5;}
.hero-proof-item small{color:#8e9aa6;font-size:11px;line-height:1.5;white-space:nowrap;}
.hero-proof-item::after{content:"";position:absolute;right:18px;top:18px;width:5px;height:5px;border-radius:50%;background:#55e6c1;box-shadow:0 0 12px rgba(85,230,193,.8);}

.devices-section .section-head p,.coverage-section .section-head p{max-width:760px;margin-top:20px;color:#98a6b4;}
.routes-panel{
  border-radius:20px;
  background:linear-gradient(145deg,#0c1623 0%,#070a10 58%,#05070b 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 28px 90px rgba(0,0,0,.4);
}
.routes-panel table.routes{table-layout:fixed;}
.routes-panel table.routes th{padding:20px 18px;color:#b9edff;background:rgba(17,28,42,.86);font-size:11px;letter-spacing:.14em;}
.routes-panel table.routes td{padding:26px 18px;vertical-align:top;line-height:1.7;}
.routes-panel table.routes tbody tr{position:relative;}
.routes-panel table.routes tbody tr:hover td{background:rgba(10,132,255,.14);}
.routes-panel .route-name{margin-bottom:5px;font-size:18px;}
.routes-panel .route-sw{margin:0 0 9px;font-size:12px;letter-spacing:.02em;}
.routes-panel .route-state{display:inline-flex;align-items:center;gap:6px;margin:0 0 12px;color:#55e6c1;font-size:11px;font-weight:600;letter-spacing:.03em;}
.routes-panel .route-state i{display:block;width:5px;height:5px;border-radius:50%;background:#55e6c1;box-shadow:0 0 9px rgba(85,230,193,.8);}
.routes-panel .route-format{color:#effaff;font-weight:600;}
.routes-panel .route-detail{color:#d3dbe4;}
.routes-panel .chip{margin:3px 4px 0 0;padding:4px 9px;}

.coverage-panel{border-radius:22px;padding:40px;background:linear-gradient(145deg,rgba(10,19,31,.98),rgba(5,8,13,.99));box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 28px 90px rgba(0,0,0,.42);}
.coverage-panel .cov-top{align-items:center;margin-bottom:30px;padding-bottom:26px;}
.coverage-panel .cov-stat::after{display:none;}
.cov-stat-wrap{position:relative;z-index:2;}
.cov-stat-caption{display:block;margin:12px 0 0 9px;color:#64d2ff;font-size:12px;font-weight:700;letter-spacing:.14em;}
.cov-top-aside{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-end;gap:6px;padding-right:148px;text-align:right;}
.cov-top-aside span{color:#62c9ec;font:600 10px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.13em;}
.cov-top-aside b{color:#f2f7fb;font-size:18px;font-weight:600;}
.cov-top-aside small{color:#8d9aa7;font-size:12px;}
.coverage-panel .cov-row{grid-template-columns:210px minmax(0,1fr);padding:17px 0;}

.download-hero{min-height:470px;background:radial-gradient(circle at 76% 42%,rgba(10,132,255,.2),transparent 26%),radial-gradient(circle at 28% 80%,rgba(0,209,255,.08),transparent 30%),#000;}
.download-hero h1{max-width:900px;font-size:clamp(54px,7vw,88px);line-height:1.02;}
.download-hero p{max-width:650px;line-height:1.7;}
.download-layout{gap:24px;}
.download-card,.download-notes{border-radius:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 28px 80px rgba(0,0,0,.36);}
.download-card{min-height:390px;padding:40px;}
.download-version{margin-bottom:16px;padding:17px 18px;background:rgba(255,255,255,.035);}
.download-status-line{display:flex;align-items:center;gap:9px;margin:0 0 21px;color:#8f9ba8;font-size:12px;}
.download-status-line b{color:#dcebf4;font-weight:600;}
.download-status-line > span:last-child{margin-left:auto;color:#718090;font:500 11px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.05em;}
.download-status-dot{width:7px;height:7px;border-radius:50%;background:#ffd166;box-shadow:0 0 12px rgba(255,209,102,.72);}
.download-status-dot.ready{background:#55e6c1;box-shadow:0 0 12px rgba(85,230,193,.8);}
.download-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;margin-top:30px;}
.download-actions .btn-primary,.download-actions .btn-ghost{width:100%;justify-content:center;}
.download-actions .btn-ghost{background:rgba(255,255,255,.05);color:#e9f7ff;border-color:rgba(100,210,255,.24);}
.download-actions .btn-ghost:disabled{background:rgba(255,255,255,.035);color:#697681;border-color:rgba(255,255,255,.1);}
.download-notes{min-height:390px;padding:40px;background:linear-gradient(145deg,#101923,#080b10);}
.download-notes h3{font-size:30px;}
.download-notes li{padding:17px 0 17px 27px;}

/* A proximity snap keeps full-screen sections aligned without fighting trackpad inertia. */
@media(min-width:900px){
  .home-page{scroll-snap-type:y proximity;scroll-snap-stop:normal;scroll-padding-block:8px;overscroll-behavior-y:contain;}
  .home-page > section{scroll-snap-stop:normal;}
}
@media(max-width:760px){
  .hero-core{padding:220px 0 54px;}
  .hero h1{font-size:clamp(40px,11.5vw,58px);line-height:1.08;}
  .hero-title-line{white-space:normal;}
  .hero-proof-row{margin-top:28px;}
  .hero-proof-item{grid-template-columns:24px 1fr;padding:12px 9px;column-gap:6px;}
  .hero-proof-item small{display:none;}
  .hero-proof-item b{font-size:11px;}
  .hero-proof-index{font-size:9px;}
  .hero-proof-item::after{right:8px;top:14px;width:4px;height:4px;}
  .routes-panel{border-radius:16px;}
  .routes-panel table.routes td{padding:20px 18px;}
  .coverage-panel{padding:26px 20px;}
  .coverage-panel .cov-top{align-items:flex-start;}
  .cov-top-aside{padding-right:0;padding-top:12px;}
  .cov-top-aside span{font-size:8px;}
  .cov-top-aside b{font-size:14px;}
  .cov-top-aside small{font-size:10px;}
  .download-card,.download-notes{padding:28px 22px;}
  .download-actions{grid-template-columns:1fr;}
}

/* ===== Home hero breathing room ===== */
.home-page > .hero .hero-core{
  padding-top:clamp(218px,31vh,320px);
  padding-bottom:clamp(92px,12vh,136px);
}
.home-page > .hero h1{
  margin-bottom:28px;
  line-height:1.08;
}
.home-page > .hero .hero-lead{
  margin-bottom:36px;
  line-height:1.82;
}
.home-page > .hero .hero-actions{gap:16px;}
.home-page > .hero .hero-proof-row{margin-top:50px;}

@media(max-width:760px){
  .home-page > .hero .hero-core{padding-top:230px;padding-bottom:68px;}
  .home-page > .hero h1{margin-bottom:24px;line-height:1.14;}
  .home-page > .hero .hero-lead{margin-bottom:32px;line-height:1.8;}
  .home-page > .hero .hero-actions{gap:12px;}
  .home-page > .hero .hero-proof-row{margin-top:34px;}
}

/* Desktop pagination uses one controlled animation instead of stacked snap physics. */
@media(min-width:900px) and (pointer:fine){
  .home-page{
    scroll-snap-type:none;
    scroll-behavior:auto;
    overscroll-behavior-y:none;
  }
  .home-page > section{
    scroll-snap-align:none;
    scroll-snap-stop:normal;
  }
}

/* ===== Interactive capability console ===== */
.coverage-section::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(circle at var(--ambient-x) var(--ambient-y),rgba(50,176,255,.16),transparent 18%);
  mix-blend-mode:screen;
  opacity:.72;
  transition:opacity .45s ease;
}
.coverage-panel{
  isolation:isolate;
  background:radial-gradient(circle at 78% 8%,rgba(17,107,177,.18),transparent 28%),linear-gradient(145deg,rgba(10,23,39,.96),rgba(4,9,16,.98));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),inset 0 0 80px rgba(0,125,255,.06),0 28px 90px rgba(0,0,0,.42);
}
.coverage-panel::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(circle at var(--ambient-x) var(--ambient-y),rgba(73,208,255,.2),transparent 17%);
  mix-blend-mode:screen;
  opacity:.62;
  transition:opacity .4s ease;
}
.coverage-panel .cov-top{margin-bottom:34px;padding-bottom:28px;border-bottom-color:rgba(120,220,255,.18);}
.coverage-panel .cov-stat{filter:drop-shadow(0 0 22px rgba(54,175,255,.22));}
.coverage-panel .cov-rows{gap:6px;}
.coverage-panel .cov-row{
  padding:18px 14px 18px 12px;
  border:1px solid transparent;
  border-bottom-color:rgba(120,220,255,.1);
  border-radius:10px;
  transition:background .28s ease,border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.coverage-panel .cov-row:hover{
  background:linear-gradient(90deg,rgba(24,132,210,.16),rgba(24,132,210,.04) 70%,transparent);
  border-color:rgba(100,210,255,.2);
  box-shadow:inset 3px 0 0 #55e6c1,0 8px 26px rgba(0,70,140,.14);
  transform:translateX(5px);
}
.coverage-panel .cov-label{display:flex;align-items:center;gap:10px;min-width:0;}
.coverage-panel .cov-label::before{width:5px;height:22px;margin:0 2px 0 0;border-radius:3px;background:linear-gradient(180deg,#55e6c1,#1594ff);box-shadow:0 0 12px rgba(85,230,193,.68);}
.coverage-panel .cov-index{color:#70cdec;font:600 10px/1 ui-monospace,Consolas,monospace;letter-spacing:.08em;font-style:normal;opacity:.75;}
.coverage-panel .cov-label b{letter-spacing:.02em;}
.coverage-panel .cov-line{gap:16px;}
.coverage-panel .cov-track{height:18px;background:linear-gradient(180deg,#08131f,#0d1a28);border-color:rgba(101,208,255,.25);box-shadow:inset 0 2px 7px rgba(0,0,0,.55),0 0 18px rgba(10,132,255,.12);}
.coverage-panel .cov-fill{will-change:transform;}
.coverage-panel .cov-val{font:700 13px/1 ui-monospace,Consolas,monospace;letter-spacing:.04em;}
.coverage-panel .cov-val.pill{font-family:inherit;letter-spacing:0;box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 0 18px rgba(10,132,255,.12);}
.coverage-panel .cov-val.pill.warn{box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 0 18px rgba(255,209,102,.16);}

/* English hero lines use their own centered measure instead of the Chinese width constraint. */
html[lang="en"] .home-page > .hero .hero-core{max-width:min(1320px,calc(100vw - 64px));}
html[lang="en"] .home-page > .hero h1{
  display:flex;
  flex-direction:column;
  align-items:center;
  width:100%;
  max-width:none;
  font-size:clamp(48px,5.6vw,82px);
  line-height:1.08;
  letter-spacing:-.025em;
}
html[lang="en"] .home-page > .hero .hero-title-line{
  width:max-content;
  max-width:100%;
  text-align:center;
  white-space:nowrap;
}

/* Keep long capability labels on a predictable rhythm while allowing safe wrapping. */
.coverage-panel .cov-stat-wrap{min-height:150px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;}
.coverage-panel .cov-stat{display:block;line-height:.9;padding-bottom:8px;overflow:visible;}
.coverage-panel .cov-stat-caption{margin-top:6px;}
.coverage-panel .cov-label{min-height:46px;}
.coverage-panel .cov-label b{line-height:1.45;}

/* Pages two through four get their own restrained signal field; the hero image remains untouched. */
.home-page > .devices-section,
.home-page > .testing-section{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background-color:rgba(4,11,19,.72);
}
.home-page > .devices-section::before,
.home-page > .testing-section::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(ellipse 44% 55% at var(--ambient-x) var(--ambient-y),rgba(16,139,230,.18),transparent 72%),radial-gradient(ellipse 42% 48% at 86% 12%,rgba(0,209,255,.09),transparent 68%);
  animation:story-field-drift 16s ease-in-out infinite alternate;
}
.home-page > .devices-section::after,
.home-page > .testing-section::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.22;
  background-image:linear-gradient(rgba(100,210,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(100,210,255,.08) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(135deg,#000,transparent 82%);
  animation:story-grid-drift 26s linear infinite;
}
.home-page > .coverage-section{background-color:rgba(3,8,15,.72);}
.home-page > .devices-section > .wrap,
.home-page > .coverage-section > .wrap,
.home-page > .testing-section > .wrap{position:relative;z-index:1;}
@keyframes story-field-drift{from{transform:translate3d(-2%,-1%,0) scale(1);opacity:.72}to{transform:translate3d(2%,2%,0) scale(1.08);opacity:1}}
@keyframes story-grid-drift{from{background-position:0 0}to{background-position:72px 72px}}

@media(max-width:760px){
  .coverage-panel .cov-row{padding:15px 8px 15px 6px;}
  .coverage-panel .cov-label{gap:7px;}
  .coverage-panel .cov-index{font-size:9px;}
  .coverage-panel .cov-line{gap:10px;}
  .coverage-panel .cov-row:hover{transform:none;}
  .coverage-panel .cov-stat-wrap{min-height:116px;}
  .coverage-panel .cov-stat{line-height:.94;padding-bottom:6px;}
  html[lang="en"] .home-page > .hero .hero-core{max-width:none;}
  html[lang="en"] .home-page > .hero h1{font-size:clamp(40px,11.5vw,58px);line-height:1.12;}
  html[lang="en"] .home-page > .hero .hero-title-line{width:100%;white-space:normal;}
}
@media(prefers-reduced-motion:reduce){
  .coverage-section::after,.coverage-panel::after{transition:none;}
  .coverage-panel .cov-row{transition:none;}
  .home-page > .devices-section::before,.home-page > .devices-section::after,.home-page > .testing-section::before,.home-page > .testing-section::after{animation:none;}
}

/* 首屏标题与支持设备表头的阅读间距 */
.home-page > .hero h1{
  line-height:1.16;
  letter-spacing:.018em;
}
.home-page > .hero .hero-title-line + .hero-title-line{margin-top:.08em;}
.home-page > .devices-section .routes thead th{text-align:center;}

@media(max-width:760px){
  .home-page > .hero h1{line-height:1.2;letter-spacing:.012em;}
}

/* ===== English typography and layout pass ===== */
html[lang="en"] body,
html[lang="en"] body h1,
html[lang="en"] body h2,
html[lang="en"] body h3,
html[lang="en"] body h4,
html[lang="en"] body p,
html[lang="en"] body span,
html[lang="en"] body b,
html[lang="en"] body small,
html[lang="en"] body a,
html[lang="en"] body button,
html[lang="en"] body td,
html[lang="en"] body th,
html[lang="en"] body li,
html[lang="en"] body label{
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif !important;
}
html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3,
html[lang="en"] h4{
  letter-spacing:0;
  text-wrap:balance;
}
html[lang="en"] .section-head{max-width:980px;}
html[lang="en"] .section-head h2{max-width:1080px;line-height:1.08;margin-bottom:22px;}
html[lang="en"] .section-head p{max-width:820px;line-height:1.72;}
html[lang="en"] .page-hero h1{max-width:1120px;line-height:1.06;letter-spacing:0;}
html[lang="en"] .page-hero p{max-width:760px;line-height:1.72;}
html[lang="en"] .hero-proof-item small{white-space:normal;line-height:1.42;}
html[lang="en"] .routes-panel table.routes th{font-size:10px;line-height:1.35;letter-spacing:.08em;white-space:normal;}
html[lang="en"] .routes-panel table.routes td{line-height:1.65;}
html[lang="en"] .routes-panel .route-state{white-space:normal;line-height:1.35;}
html[lang="en"] .coverage-panel .cov-label b{font-size:15px;line-height:1.42;}
html[lang="en"] .coverage-panel .cov-row{grid-template-columns:240px minmax(0,1fr);}
html[lang="en"] .download-hero h1{max-width:1060px;line-height:1.08;letter-spacing:0;}
html[lang="en"] .download-hero p{max-width:780px;line-height:1.72;}
html[lang="en"] .btn-primary,
html[lang="en"] .btn-white,
html[lang="en"] .btn-secondary,
html[lang="en"] .btn-ghost{line-height:1.35;text-align:center;white-space:normal;}
html[lang="en"] .legal-doc h3{line-height:1.3;}
html[lang="en"] .legal-doc p,
html[lang="en"] .legal-doc li{line-height:1.82;}

@media(max-width:1100px){
  html[lang="en"] .home-page > .hero .hero-title-line{width:100%;white-space:normal;text-wrap:balance;}
  html[lang="en"] .home-page > .hero h1{font-size:clamp(46px,6.4vw,74px);}
  html[lang="en"] .coverage-panel .cov-row{grid-template-columns:220px minmax(0,1fr);}
}
@media(max-width:760px){
  html[lang="en"] .section-head h2{font-size:clamp(32px,8.8vw,48px);line-height:1.14;}
  html[lang="en"] .page-hero h1{font-size:40px;line-height:1.12;}
  html[lang="en"] .download-hero h1{font-size:42px;line-height:1.12;}
  html[lang="en"] .coverage-panel .cov-row{grid-template-columns:1fr;}
  html[lang="en"] .coverage-panel .cov-label b{font-size:15px;}
  html[lang="en"] .legal-doc p,
  html[lang="en"] .legal-doc li{line-height:1.78;}
}

/* Keep the requested breathing room in both language modes. */
html[lang="en"] .home-page > .hero h1{line-height:1.16;letter-spacing:.018em;}
html[lang="en"] .home-page > .hero .hero-title-line + .hero-title-line{margin-top:.08em;}
@media(max-width:760px){
  .hero-core .eyebrow,.hero-core .hero-lead{font-size:16px;}
  html[lang="en"] .home-page > .hero h1{line-height:1.2;letter-spacing:.012em;}
}

/* ===== PLC Code 首页极简覆盖(Claude 风:灰黑 + 细线,原生滚动) ===== */
.home-page{height:auto;overflow:visible;scroll-snap-type:none;}
.home-page > section{min-height:0;display:block;align-items:unset;scroll-snap-align:unset;scroll-snap-stop:unset;padding:72px 0;}
.home-page > .hero{padding:0;}
.home-page > .hero .hero-core{padding-top:96px;padding-bottom:64px;}
.home-page > .devices-section .table-wrap{min-height:0;display:block;}
.home-page > .coverage-section .coverage-panel{min-height:0;padding:32px;}
.home-page > .testing-section .shots-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.home-page > .testing-section .shot-card img{aspect-ratio:1.72;object-fit:cover;}
.hero{background:#141311;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:88px 88px;}
.hero-core{max-width:1080px;padding-top:96px;padding-bottom:64px;text-align:left;}
.hero h1{max-width:960px;font-size:clamp(40px,5.4vw,64px);line-height:1.08;letter-spacing:-.02em;color:#f7f6f2;margin:0 0 22px;}
.hero h1 .accent{color:#9a978e;}
.hero-lead{max-width:640px;color:#a8a49b;font-size:clamp(15px,1.5vw,18px);margin:0 0 34px;}
.hero-actions{justify-content:flex-start;}
@media(max-width:899px){
  .home-page > section{padding:48px 0;}
  .home-page > .testing-section .shots-grid{grid-template-columns:1fr;}
  .hero h1{font-size:32px;}
}


/* model slots: provider select + peak/off-peak billing */
.form-row select{
  width:100%;height:42px;border:1px solid var(--line);border-radius:10px;
  padding:0 12px;font:inherit;font-size:14px;color:var(--ink);background:#fff;
}
.form-row select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.llm-offpeak-box{
  border:1px solid var(--line-soft);border-radius:10px;padding:12px;margin:0 0 14px;
  background:var(--bg-soft);
}
.llm-offpeak-box .llm-model-toggle{margin-bottom:0;}
.llm-offpeak-box .form-row{margin-top:14px;}
.llm-peak-windows{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.llm-peak-window{display:flex;align-items:center;gap:8px;}
.llm-peak-window input{width:88px;height:38px;text-align:center;font-variant-numeric:tabular-nums;}
.llm-peak-window span{color:var(--slate-soft);}
@media (prefers-color-scheme: dark){
  .form-row select{background:#101014;color:#f5f5f7;border-color:rgba(255,255,255,.15);border-radius:10px;}
  .form-row select:focus{border-color:#0a84ff;box-shadow:0 0 0 4px rgba(10,132,255,.18);}
}