:root{--bg:#fbfbfa;--fg:#111315;--mut:#5b6068;--acc:#1f6feb;--line:#e6e6e3}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:640px;margin:0 auto;padding:48px 20px 64px}
a{color:var(--acc)}
.mark{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:22px;letter-spacing:-.01em;color:var(--fg);text-decoration:none}
.mark i{display:inline-block;width:22px;height:22px;background:#111315;border-radius:50% 50% 45% 55%}
h1{font-size:2.1rem;line-height:1.15;letter-spacing:-.02em;margin:56px 0 16px}
h2{font-size:1.25rem;margin:56px 0 12px;letter-spacing:-.01em}
h2 .n{color:var(--acc)}
h3{font-size:1.05rem;margin:28px 0 8px}
p{margin:0 0 14px}
.lead{font-size:1.15rem;color:var(--mut)}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:14px}
ol.steps li:before{content:counter(s);position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--acc);color:var(--acc);font-size:.85rem;font-weight:600;display:flex;align-items:center;justify-content:center}
dl{margin:0}dt{font-weight:600;margin-top:12px}dd{margin:0;color:var(--mut)}
.small{font-size:.9rem;color:var(--mut)}
.box{border-left:3px solid var(--acc);padding:4px 0 4px 16px;margin:16px 0}
footer{margin-top:64px;padding-top:20px;border-top:1px solid var(--line);font-size:.9rem;color:var(--mut)}
footer a{color:var(--mut)}
.tag{display:inline-block;font-size:.75rem;border:1px solid var(--acc);color:var(--acc);border-radius:99px;padding:1px 10px;margin:28px 0 0}
.doc h1{margin-top:12px;font-size:1.8rem}
.doc h2{font-size:1.15rem;margin-top:32px}
.doc ul{padding-left:22px;margin:0 0 14px}.doc li{margin-bottom:6px}
@media(min-width:700px){.wrap{padding-top:72px}h1{font-size:2.6rem}}