:root{--bg:#f4f6fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--brand:#1677ff;--line:#e5e7eb;--warn:#fff7e6;--warnb:#fa8c16;--ok:#f0fdf4;--okb:#22c55e}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#181b22;--text:#e5e7eb;--muted:#9ca3af;--line:#2a2f3a;--warn:#2a2112;--ok:#10231a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:16px}
header{display:flex;align-items:center;gap:10px;padding:8px 0 16px}header a{color:inherit;text-decoration:none;font-weight:700;font-size:20px}
header span{color:var(--muted);font-size:14px}
h1{font-size:24px;margin:4px 0 6px}h2{font-size:19px;margin:0 0 8px;color:var(--brand)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:14px 0}
.step{display:inline-block;background:var(--brand);color:#fff;border-radius:999px;padding:1px 10px;font-size:13px;margin-right:6px}
img.shot{display:block;width:100%;max-width:360px;border:1px solid var(--line);border-radius:12px;margin:10px 0}
.n{color:#e53935;font-weight:700}
.note{background:var(--warn);border-left:4px solid var(--warnb);padding:10px 12px;border-radius:8px;margin:10px 0}
.ok{background:var(--ok);border-left:4px solid var(--okb);padding:10px 12px;border-radius:8px;margin:10px 0}
code{background:rgba(127,127,127,.15);padding:1px 6px;border-radius:5px;font-size:14px;word-break:break-all}
a{color:var(--brand)}
.list a.item{display:flex;justify-content:space-between;align-items:center;gap:12px;text-decoration:none;color:inherit}
.list a.item b{font-size:17px}.list a.item small{color:var(--muted)}
.tag{background:var(--brand);color:#fff;border-radius:6px;font-size:12px;padding:2px 8px;white-space:nowrap}
.btn{display:inline-block;background:var(--brand);color:#fff!important;text-decoration:none;border-radius:10px;padding:9px 16px;font-weight:600;margin:4px 6px 4px 0}
footer{color:var(--muted);font-size:13px;text-align:center;padding:20px 0}