:root{--ink:#1f2933;--muted:#5f6b7a;--line:#e5e9ef;--bg:#f7f8fa;--card:#fff;--accent:#0f6e56;--accent-soft:#e3f2ec}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
.hero{min-height:280px;background-size:cover;background-position:center;position:relative;display:flex;align-items:flex-end}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 30%,rgba(0,0,0,.65))}
.hero-text{position:relative;color:#fff;padding:24px 20px 20px;max-width:720px;margin:0 auto;width:100%}
.eyebrow{margin:0 0 4px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
h1{margin:0;font-size:30px;line-height:1.15}
.sub{margin:6px 0 0;opacity:.9}
main{max-width:720px;margin:0 auto;padding:16px 16px 40px}
.quick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:-28px;position:relative}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;box-shadow:0 2px 8px rgba(0,0,0,.05);color:inherit;text-decoration:none}
.card.wide{grid-column:1/-1}
.card .k{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.card .v{font-size:19px;font-weight:600}
.card .pw{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--accent-soft);color:var(--accent);padding:2px 6px;border-radius:6px;font-size:15px}
.copy{border:1px solid var(--accent);background:#fff;color:var(--accent);border-radius:999px;padding:3px 10px;font-size:13px;cursor:pointer}
.facts{list-style:none;padding:0;margin:14px 0 0;display:flex;gap:8px;flex-wrap:wrap}
.facts li{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:5px 12px;font-size:14px;font-weight:600}
.toc{display:flex;gap:8px;overflow-x:auto;padding:14px 0 6px;-webkit-overflow-scrolling:touch}
.toc a{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:14px;color:var(--ink);text-decoration:none;white-space:nowrap}
section.block{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:6px 16px 10px;margin-top:14px;scroll-margin-top:12px}
section.block h2{font-size:20px;margin:10px 0 4px;display:flex;align-items:center;gap:8px}
.item{padding:10px 0;border-top:1px solid var(--line)}
.item:first-of-type{border-top:0}
.item h3{margin:0 0 2px;font-size:16px}
.item p{margin:0;color:#334155}
.intro{margin:4px 0 8px;color:#334155}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{padding:8px 0 8px 30px;position:relative;border-top:1px solid var(--line)}
ul.check li:before{content:"";position:absolute;left:2px;top:11px;width:16px;height:16px;border:2px solid var(--accent);border-radius:5px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:10px 16px 40px}
@media(min-width:640px){h1{font-size:36px}.hero{min-height:340px}}