:root{color-scheme:light dark;--bg:#fff;--text:#1d1d1f;--muted:#6b6b76;--accent:#1a66d6;--line:#e4e4e9}
@media (prefers-color-scheme:dark){:root{--bg:#17171c;--text:#f2f2f5;--muted:#a2a2b0;--accent:#6ea8ff;--line:#2e2e3a}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:44rem;margin:0 auto;padding:40px 16px 64px}
h1{font-size:28px;line-height:1.2;margin:0 0 6px}
h2{font-size:19px;margin:32px 0 8px}
.date{color:var(--muted);margin:0 0 28px}
a{color:var(--accent)}
ul,ol{padding-left:1.3em}
li{margin:4px 0}
table{border-collapse:collapse;width:100%;font-size:15px;margin:8px 0}
td,th{border-top:1px solid var(--line);padding:8px 8px 8px 0;text-align:left;vertical-align:top}
th{font-weight:600}
footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.btn{display:inline-block;padding:9px 18px;border-radius:8px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600}
.lang{float:right;font-size:14px}.lang a{margin-left:10px}.lang b{margin-left:10px}
.step{margin:28px 0}.step h2{margin-top:0}
img.shot{display:block;max-width:100%;height:auto;margin:12px 0 4px;border:1px solid var(--line);border-radius:10px}
details{border-top:1px solid var(--line);padding:12px 0}details summary{cursor:pointer;font-weight:600}details p{margin:8px 0 0}