:root{--ink:#1a2233;--muted:#5b677d;--line:#e7eaf2;--brand:#4f7cff;--brand2:#7c3aed;--bg:#0a0e1a}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,Segoe UI,Roboto,sans-serif;color:var(--ink);
  background:#fbfcfe;line-height:1.7}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.lnav{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px clamp(16px,5vw,48px);background:rgba(251,252,254,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.lbrand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.lbrand img{border-radius:10px}
.lnav .back{font-weight:600;font-size:14px}
.lwrap{max-width:820px;margin:0 auto;padding:clamp(28px,5vw,56px) clamp(16px,5vw,32px)}
.lwrap h1{font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.02em;margin:0 0 6px}
.updated{color:var(--muted);font-size:14px;margin:0 0 30px}
.lwrap h2{font-size:20px;font-weight:800;margin:30px 0 10px}
.lwrap h3{font-size:16px;font-weight:700;margin:20px 0 6px}
.lwrap p,.lwrap li{font-size:15.5px;color:#2a3447}
.lwrap ul{padding-left:22px;margin:8px 0}
.lwrap li{margin:5px 0}
.note{background:#fff7ed;border-left:4px solid #f59e0b;border-radius:10px;padding:12px 16px;
  margin:16px 0;color:#92560a;font-size:14.5px}
.box{background:#f3eaff;border-left:4px solid var(--brand2);border-radius:10px;padding:14px 18px;margin:16px 0}
.box b{color:#3b2a5c}
.todo{background:#eef2ff;border:1px dashed var(--brand);border-radius:10px;padding:12px 16px;
  margin:16px 0;color:#3a4759;font-size:14px}
.lfoot{border-top:1px solid var(--line);margin-top:40px;padding:24px clamp(16px,5vw,48px);
  color:var(--muted);font-size:13px;text-align:center;background:#fff}
.lfoot a{margin:0 8px}
table.kv{border-collapse:collapse;width:100%;margin:10px 0}
table.kv td{border:1px solid var(--line);padding:9px 12px;font-size:14.5px;vertical-align:top}
table.kv td:first-child{font-weight:600;width:200px;background:#f8fafc}