:root{--ink:#16212d;--mut:#5b6b7b;--acc:#1a56db;--bg:#ffffff;--soft:#f2f6fb;--line:#e3e9f0}
*{box-sizing:border-box;margin:0;padding:0}
body{font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:5}
.nav{display:flex;align-items:center;gap:18px;padding:14px 0}
.logo{font-weight:800;font-size:22px;color:var(--ink)}
.logo span{color:var(--acc)}
.nav .grow{flex:1}
.nav a.small{font-size:14px;color:var(--mut)}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700}
.btn:hover{text-decoration:none;opacity:.92}
.hero{padding:64px 0 40px;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.2;margin-bottom:16px}
.hero p.sub{color:var(--mut);font-size:19px;max-width:640px;margin:0 auto 28px}
.hero .note{color:var(--mut);font-size:14px;margin-top:12px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:28px 0}
.step{background:var(--soft);border-radius:14px;padding:22px}
.step b{display:block;margin-bottom:6px}
.step .n{color:var(--acc);font-weight:800;font-size:14px}
section.block{padding:26px 0}
section.block h2{font-size:24px;margin-bottom:14px}
ul.docs{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
ul.docs li{background:var(--soft);border-radius:10px;padding:12px 16px;font-size:15px}
.priv{background:var(--soft);border-radius:14px;padding:22px;font-size:15px;color:var(--mut)}
.arts li{margin-bottom:10px}
article h1{font-size:clamp(24px,4vw,34px);line-height:1.25;margin:34px 0 18px}
article h2,article h3{margin:26px 0 10px}
article p,article ul,article ol,article blockquote{margin-bottom:14px}
article ul,article ol{padding-left:24px}
article blockquote{border-left:3px solid var(--acc);padding-left:14px;color:var(--mut)}
article img{max-width:100%;border-radius:10px}
.cta-box{background:var(--soft);border-radius:14px;padding:24px;text-align:center;margin:34px 0}
footer{border-top:1px solid var(--line);margin-top:48px;padding:26px 0;color:var(--mut);font-size:14px}
footer .links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.langs{display:flex;gap:10px;font-size:14px}