:root{--ink:#0B0F14;--muted:#5B6470;--line:#E6E8EB;--bg:#FFFFFF;--soft:#F6F7F8;--accent:#0F9E99;--accent-ink:#0B7C78;--warn:#FFF7E6;--warn-line:#F2D9A6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.6}
a{color:var(--accent-ink)}
.wrap{max-width:680px;margin:0 auto;padding:0 20px}
.site-header{border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em;font-size:1.05rem}
.logo{width:30px;height:30px}
.head-link{font-size:.92rem;color:var(--muted);text-decoration:none}
.head-link:hover{color:var(--ink)}
main{padding:48px 0 64px}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:600;color:var(--accent-ink);margin:0 0 8px}
h1{font-size:2rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 12px}
h2{font-size:1.2rem;letter-spacing:-.01em;margin:0 0 10px}
.lead{font-size:1.1rem;color:var(--muted);margin:0 0 28px}
.box{border:1px solid var(--line);border-radius:12px;padding:22px 22px 18px;margin:0 0 20px;background:#fff}
.box.soft{background:var(--soft)}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;border:0;border-radius:8px;padding:12px 20px;font-weight:600;font-size:1rem;cursor:pointer;font-family:inherit}
.btn:hover{background:#222a33}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--soft)}
.dl-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin:6px 0 12px}
.meta{font-size:.9rem;color:var(--muted);margin:6px 0}
.small{font-size:.9rem}
.muted{color:var(--muted)}
ol.steps{padding-left:1.2em;margin:0}
ol.steps li{margin:0 0 8px}
.test{background:var(--warn);border:1px solid var(--warn-line);border-radius:8px;padding:8px 12px;font-size:.9rem;margin:0 0 16px}
.site-footer{border-top:1px solid var(--line);padding:24px 0;font-size:.88rem;color:var(--muted)}
.site-footer a{color:var(--muted)}
[hidden]{display:none!important}
@media (max-width:520px){h1{font-size:1.6rem}main{padding:32px 0 48px}}
.mt0{margin-top:0}.mb0{margin-bottom:0}