:root{--ink:#1E1A3C;--dim:#5F5D78;--faint:#8A8AA3;--indigo:#4F5EE8;--indigo-dark:#3F4CC4;--bg:#F6F7FC;--card:#FFFFFF;--line:#E7E8F2;--gold:#F5B83D}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
a{color:var(--indigo)}a:hover{color:var(--indigo-dark)}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:20px}
.brand img{width:36px;height:36px;border-radius:10px}
nav.links{display:flex;gap:4px;flex-wrap:wrap}
nav.links a{text-decoration:none;color:var(--dim);font-weight:600;font-size:14px;padding:8px 10px;border-radius:10px}
nav.links a:hover,nav.links a[aria-current="page"]{color:var(--indigo);background:#EEF0FF}
main{padding:40px 0 56px}
.doc{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 32px}
.doc h1{font-size:32px;line-height:1.2;margin:0 0 6px}
.doc .meta{color:var(--faint);font-size:14px;margin:0 0 28px}
.doc h2{font-size:20px;margin:32px 0 8px}
.doc h3{font-size:16px;margin:20px 0 4px}
.doc p,.doc li{color:#34314F}
.doc ul{padding-left:22px}
.doc li{margin:4px 0}
.note{background:#F3F4FF;border-radius:14px;padding:14px 16px;color:var(--dim);font-size:15px}
.hero{text-align:center;padding:40px 0 8px}
.hero img{width:112px;height:112px;border-radius:28px;box-shadow:0 14px 34px rgba(79,94,232,.28)}
.hero h1{font-size:44px;line-height:1.1;margin:22px 0 10px;letter-spacing:-.01em}
.hero p{font-size:19px;color:var(--dim);max-width:560px;margin:0 auto}
.badge{display:inline-block;margin-top:22px;padding:10px 18px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;font-size:15px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:44px 0 0}
.feature{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}
.feature h2{font-size:17px;margin:0 0 6px}
.feature p{margin:0;color:var(--dim);font-size:15px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:4px 0 4px 40px;margin:8px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:4px;width:28px;height:28px;border-radius:50%;background:#EEF0FF;color:var(--indigo);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.button{display:inline-block;background:var(--indigo);color:#fff !important;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:999px}
.button:hover{background:var(--indigo-dark)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.box{border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.box h3{margin-top:0}
footer{border-top:1px solid var(--line);background:var(--card)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:20px;padding-bottom:20px;color:var(--faint);font-size:14px}
footer nav a{color:var(--dim);text-decoration:none;margin-left:14px}
footer nav a:first-child{margin-left:0}
@media (max-width:600px){.doc{padding:24px 18px;border-radius:16px}.doc h1{font-size:26px}.hero h1{font-size:34px}main{padding:24px 0 40px}}