:root{--blue:#1a73e8;--ink:#202124;--mute:#5f6368;--line:#e3e6ea;--bg:#f7f9fc}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff}
a{color:var(--blue)}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
header.site .logo{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
header.site nav a{color:var(--mute);text-decoration:none;margin-left:18px;font-size:15px}
header.site nav a:hover{color:var(--ink)}
main{padding:40px 0 56px}
h1{font-size:34px;line-height:1.2;margin:0 0 12px;letter-spacing:-.01em}
h2{font-size:22px;margin:40px 0 10px}
h3{font-size:17px;margin:0 0 4px}
.lead{font-size:19px;color:#3c4858;margin:0 0 24px}
.muted{color:var(--mute)}
.hero{display:flex;gap:22px;align-items:center;margin-bottom:8px}
.hero img{width:84px;height:84px;flex:none}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.card{border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.card p{margin:6px 0 10px;color:#3c4858;font-size:15px}
.card .more{font-weight:600;text-decoration:none}
.box{background:#e8f0fe;border-radius:12px;padding:16px 20px}
.btn{display:inline-block;background:var(--blue);color:#fff;border-radius:8px;padding:10px 16px;text-decoration:none;font-weight:600}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid #c4d6f5}
ul.check{list-style:none;padding:0}
ul.check li{padding-left:28px;position:relative;margin:8px 0}
ul.check li:before{content:"\2713";position:absolute;left:0;top:0;color:#188038;font-weight:700}
ol.steps li{margin:6px 0}
details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 2px;color:#3c4858}
table{border-collapse:collapse;width:100%;font-size:15px}
td,th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--bg)}
code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:14px}
footer.site{border-top:1px solid var(--line);background:var(--bg);font-size:14px;color:var(--mute)}
footer.site .wrap{padding:22px 20px}
footer.site a{color:var(--mute)}
@media (max-width:560px){h1{font-size:28px}.hero{flex-direction:column;align-items:flex-start}header.site nav a{margin-left:12px}}