:root{--ink:#111;--side:#1a1a1a;--bg:#f4f5f6;--line:#e2e4e7;--mute:#5f656d;--green:#16a34a;--white:#fff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.top{background:var(--side);color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.01em}
.logo{width:32px;height:32px;border-radius:8px;background:#fff;color:var(--ink);display:grid;place-items:center}
nav.menu{display:flex;gap:4px}
nav.menu a{text-decoration:none;font-size:14px;color:#c9ccd1;padding:8px 14px;border-radius:8px}
nav.menu a:hover,nav.menu a[aria-current]{background:#2a2a2a;color:#fff}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:14px;padding:12px 20px;border-radius:8px}
.btn:hover{background:#2c2c2c}
.btn.light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.hero{padding:88px 0 72px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.status{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;margin-bottom:20px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
h1{font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-.03em;font-weight:700}
.lead{font-size:18px;color:var(--mute);margin:22px 0 32px;max-width:520px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.feed{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 24px}
.feed h2{font-size:15px;font-weight:600;padding:16px 0 12px;border-bottom:1px solid var(--line)}
.feed li{list-style:none;display:grid;grid-template-columns:48px 14px 1fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);align-items:start}
.feed li:last-child{border:0}
.feed time{font-size:12px;color:var(--mute);padding-top:3px}
.feed i{width:8px;height:8px;border-radius:50%;background:var(--ink);margin-top:9px}
.feed li:last-child i{background:var(--green)}
.feed b{display:block;font-size:15px;font-weight:500}
.feed small{font-size:13px;color:var(--mute)}
section.block{padding:72px 0;border-bottom:1px solid var(--line)}
section.block h2{font-size:28px;letter-spacing:-.02em;margin-bottom:12px}
section.block>.wrap>p{color:var(--mute);max-width:620px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:40px;border-top:1px solid var(--line)}
.grid div{padding:28px 28px 0 0}
.grid div+div{padding-left:28px;border-left:1px solid var(--line)}
.grid h3{font-size:17px;margin-bottom:8px}
.grid p{font-size:15px;color:var(--mute)}
.meta-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;margin-top:32px;max-width:620px;font-size:15px}
.meta-box p+p{margin-top:8px}
.doc{padding:64px 0 88px}
.doc .wrap{max-width:760px}
.doc h1{font-size:clamp(30px,4vw,40px)}
.updated{color:var(--mute);font-size:14px;margin:12px 0 40px}
.doc h2{font-size:21px;letter-spacing:-.015em;margin:44px 0 12px;padding-top:28px;border-top:1px solid var(--line)}
.doc h3{font-size:16px;margin:22px 0 6px}
.doc p,.doc li{color:#33373d;font-size:16px}
.doc p+p{margin-top:12px}
.doc ul{margin:12px 0 12px 22px}
.doc li{margin-bottom:6px}
.doc a{text-decoration:underline;text-underline-offset:3px}
.doc .toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-bottom:8px}
.doc .toc p{font-weight:600;font-size:14px;color:var(--ink);margin-bottom:6px}
.doc .toc ol{margin-left:20px;columns:2;column-gap:32px}
.doc .toc li{font-size:14px;margin:0}
.doc .toc a{text-decoration:none}
footer{background:var(--side);color:#c9ccd1;font-size:14px;padding:40px 0}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{text-decoration:none;margin-right:20px}
footer a:hover{color:#fff}
@media(max-width:820px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero{padding:56px 0}.grid{grid-template-columns:1fr}.grid div,.grid div+div{padding:24px 0;border-left:0;border-bottom:1px solid var(--line)}.doc .toc ol{columns:1}nav.menu a{padding:8px 10px}.brand span.t{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.doc ol.steps{margin:12px 0 12px 22px}
.doc ol.steps li{padding-left:6px;margin-bottom:10px}
nav.menu a.navbtn{background:#fff;color:var(--ink);font-weight:600;margin-left:8px}
nav.menu a.navbtn:hover{background:#e6e8ea;color:var(--ink)}
@media(max-width:820px){nav.menu a:not(.navbtn){display:none}}