:root{--bg:#0a0f1e;--panel:#111a33;--line:#1e2a47;--text:#eef2fb;--muted:#94a0bd;--accent:#2ee6c5;--accent-ink:#04201b;--red:#ff8a9a;--max:1040px}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;letter-spacing:-.02em;font-size:20px;color:var(--text);text-decoration:none}
.logo{display:inline-flex;align-items:center;gap:10px}.logo svg{width:26px;height:26px}
nav a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:15px}nav a:hover{color:var(--text)}
.hero{padding-top:72px;padding-bottom:48px}
.tag{display:inline-block;font-size:13px;color:var(--accent);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:18px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.1;letter-spacing:-.03em;margin:0 0 18px;max-width:780px}
.lead{font-size:19px;color:var(--muted);max-width:680px;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;padding:13px 22px;border-radius:10px;text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);font-weight:600}
.price{color:var(--muted);font-size:15px}
section{padding:48px 0;border-top:1px solid var(--line)}
h2{font-size:28px;letter-spacing:-.02em;margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:6px 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}
.num{font-size:13px;color:var(--accent);font-weight:700}
.demo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tg{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-size:14.5px;white-space:pre-line;font-family:inherit}
.tg .who{font-size:12px;color:var(--muted);margin-bottom:8px;white-space:normal}
.list{margin:0;padding-left:20px;color:var(--muted)}.list li{margin:6px 0}.list b{color:var(--text)}
.pricebox{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px}
.big{font-size:40px;font-weight:800;letter-spacing:-.02em}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin:10px 0 0}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}footer a{color:var(--muted);margin-right:16px}
.doc{padding-top:48px;padding-bottom:64px;max-width:760px}.doc h1{font-size:36px}.doc h2{font-size:20px;margin-top:32px}.doc p,.doc li{color:var(--muted)}
.updated{color:var(--muted);font-size:14px}
@media (max-width:820px){.grid,.demo{grid-template-columns:1fr}nav a{margin-left:14px}.hero{padding-top:48px;padding-bottom:32px}}
@media (max-width:420px){nav a.hide-sm{display:none}}