:root{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:rgba(15,23,42,.12);
  --accent:#10b981;
  --accent2:#2563eb;
  --warn:#f59e0b;
  --danger:#ef4444;
  --shadow: 0 12px 30px rgba(15,23,42,.12);
  --r:16px;
  --max:1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font); background:radial-gradient(1100px 600px at 10% -10%, rgba(16,185,129,.18), transparent 55%),
radial-gradient(900px 500px at 100% 0%, rgba(37,99,235,.14), transparent 52%),
var(--bg); color:var(--text); line-height:1.55}
a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
.topbar{
  position:sticky; top:0; z-index:30;
  background:rgba(255,255,255,.82); backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px rgba(15,23,42,.06)
}
.header{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:14px 0;
}
.brand{display:flex; gap:12px; align-items:center}
.brand .mark{width:34px;height:34px}
.brand .name{font-weight:750; letter-spacing:.2px}
.nav{display:block; color:var(--muted); font-size:14px}
.nav-list{display:flex; gap:14px; flex-wrap:wrap; list-style:none; margin:0; padding:0}
.nav-list li{margin:0}
.nav-list a{padding:6px 10px; border-radius:12px; display:inline-flex}
.nav-list a:hover{background:rgba(15,23,42,.06)}

.nav a:hover{background:rgba(15,23,42,.06); color:var(--text)}
.header-cta{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.pill{
  display:inline-flex; gap:8px; align-items:center;
  padding:9px 12px; border:1px solid var(--line);
  border-radius:999px; color:var(--muted); font-size:14px
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:10px 14px; border-radius:14px; border:1px solid rgba(79,227,164,.35);
  background:linear-gradient(180deg, rgba(79,227,164,.16), rgba(79,227,164,.06));
  box-shadow:0 10px 24px rgba(79,227,164,.12);
  font-weight:650
}
.btn.secondary{
  border:1px solid rgba(100,181,255,.35);
  background:linear-gradient(180deg, rgba(100,181,255,.14), rgba(100,181,255,.06));
  box-shadow:0 10px 24px rgba(100,181,255,.10);
}
.btn.ghost{
  background:transparent;
  border:1px solid var(--line);
  box-shadow:none;
  color:var(--muted);
  font-weight:600
}
.hero{padding:40px 0 12px;}
.hero-grid{display:grid; gap:18px; grid-template-columns: 1.15fr .85fr; align-items:stretch}
@media (max-width: 980px){ .hero-grid{grid-template-columns:1fr} .nav{display:none} }
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.86));
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:0 18px 40px rgba(15,23,42,.10);
}
.hero-main{padding:22px}
.kicker{color:var(--muted); font-size:14px}
.h1{margin:10px 0 10px; font-size:38px; line-height:1.1; letter-spacing:-.4px}
@media (max-width:560px){ .h1{font-size:32px} }
.lead{color:var(--muted); font-size:16px; margin:0 0 14px}
.bullets{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin:14px 0 18px}
@media (max-width:560px){ .bullets{grid-template-columns:1fr} }
.bullets .b{display:flex; gap:10px; align-items:flex-start; padding:10px 12px; border-radius:14px; border:1px solid var(--line); background:rgba(15,23,42,.04)}
.b svg{flex:0 0 20px; margin-top:2px}
.hero-actions{display:flex; gap:10px; flex-wrap:wrap}
.hero-side{padding:18px}
.badge{display:inline-flex; gap:8px; align-items:center; padding:8px 10px; border-radius:999px; border:1px solid var(--line); background:rgba(15,23,42,.04); color:var(--muted); font-size:13px}
.illus{width:100%; height:auto; display:block; border-radius:14px; border:1px solid var(--line); background:rgba(15,23,42,.03)}
.section{padding:26px 0}
.section h2{margin:0 0 10px; font-size:26px; letter-spacing:-.2px}
.section p{color:var(--muted); margin:0 0 12px}
.grid3{display:grid; gap:14px; grid-template-columns:repeat(3,1fr)}
.grid2{display:grid; gap:18px; grid-template-columns:repeat(2,1fr)}
@media (max-width: 980px){ .grid3,.grid2{grid-template-columns:1fr} }
.card{padding:16px; border-radius:var(--r); border:1px solid var(--line); background:#fff; box-shadow:0 8px 22px rgba(15,23,42,.08);}
.card h3{margin:0 0 8px; font-size:18px}
.card ul{margin:8px 0 0; padding:0 0 0 18px; color:var(--muted)}
.card li{margin:6px 0}
.split{display:grid; gap:14px; grid-template-columns: 1.1fr .9fr; align-items:start}
@media (max-width:980px){ .split{grid-template-columns:1fr} }
.steps{counter-reset: step}
.step{display:flex; gap:12px; align-items:flex-start; padding:12px; border-radius:14px; border:1px solid var(--line); background:rgba(15,23,42,.03);}
.step:before{counter-increment: step; content: counter(step); width:28px; height:28px; border-radius:10px; display:flex; align-items:center; justify-content:center; background:rgba(79,227,164,.16); border:1px solid rgba(79,227,164,.26); color:var(--text); font-weight:750; flex:0 0 28px;}
.table{width:100%; border-collapse:collapse; overflow:hidden; border-radius:var(--r); border:1px solid var(--line)}
.table th,.table td{padding:12px; border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px rgba(15,23,42,.06); text-align:left}
.table th{color:var(--muted); font-weight:700; font-size:13px; background:rgba(15,23,42,.03)}
.table tr:last-child td{border-bottom:0}
.notice{padding:14px; border-radius:var(--r); border:1px solid rgba(255,204,102,.28); background:rgba(255,204,102,.08); color:var(--muted)}
.faq details{border:1px solid var(--line); border-radius:14px; padding:12px; background:rgba(15,23,42,.03)}
.faq details+details{margin-top:10px}
.faq summary{cursor:pointer; font-weight:700}
.form{display:grid; gap:10px}
.input, textarea{width:100%; padding:12px 12px; border-radius:14px; border:1px solid var(--line); background:rgba(15,23,42,.03); color:var(--text); outline:none}
textarea{min-height:110px; resize:vertical}
.small{font-size:13px; color:var(--muted)}
.footer{padding:26px 0; border-top:1px solid var(--line); color:var(--muted)}
.footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:14px}
@media (max-width:980px){ .footer-grid{grid-template-columns:1fr} }
.kbd{font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size:12px; color:var(--muted)}
.breadcrumbs{color:var(--muted); font-size:13px; padding:14px 0}
.breadcrumbs a{color:var(--muted)}
.hr{height:1px; background:var(--line); margin:14px 0}
.tag{display:inline-flex; align-items:center; gap:8px; padding:8px 10px; border-radius:999px; border:1px solid var(--line); background:rgba(15,23,42,.03); color:var(--muted); font-size:13px}

/* light-v2 */
.panel{backdrop-filter:saturate(140%) blur(8px);}