:root{--red:#c0282d;--ink:#1a1a1a;--muted:#6b7280;--bg:#f6f6f4;--card:#fff;--line:#e5e7eb}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
.hidden{display:none!important}
.muted{color:var(--muted)}
.err{color:var(--red);min-height:1.2em;margin:.5em 0 0}
.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#c0282d,#7a1a1d);padding:20px}
.gate-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:360px;box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center}
.gate-card h1{margin:.2em 0 .1em;font-size:1.6rem}
.gate-card input{width:100%;padding:12px 14px;margin-top:18px;border:1px solid var(--line);border-radius:10px;font-size:1rem}
.gate-card button{width:100%;margin-top:12px;padding:12px;background:var(--red);color:#fff;border:0;border-radius:10px;font-size:1rem;cursor:pointer}
.gate-card button:hover{opacity:.92}
.topbar{display:flex;align-items:center;gap:16px;padding:14px 20px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.brand{font-weight:700;font-size:1.15rem;color:var(--red)}
.topbar input{flex:1;min-width:180px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;font-size:.95rem}
.tabs{display:flex;gap:6px;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);overflow-x:auto;position:sticky;top:57px;z-index:4}
.tab{white-space:nowrap;padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:999px;cursor:pointer;font-size:.9rem;color:var(--ink)}
.tab.active{background:var(--red);color:#fff;border-color:var(--red)}
main{max-width:860px;margin:0 auto;padding:20px 16px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px;margin:0 0 14px}
.card h2{margin:.1em 0 .5em;font-size:1.15rem}
.card h3{margin:.2em 0 .3em;font-size:1.02rem}
.kpi{display:flex;gap:14px;flex-wrap:wrap}
.kpi .box{flex:1;min-width:140px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.kpi .num{font-size:2rem;font-weight:800;color:var(--red);line-height:1}
.kpi .lbl{color:var(--muted);font-size:.85rem;margin-top:6px}
a{color:var(--red)}
.linklist{list-style:none;padding:0;margin:0}
.linklist li{padding:8px 0;border-bottom:1px dashed var(--line)}
.linklist li:last-child{border-bottom:0}
.badge{display:inline-block;background:#fbeaea;color:var(--red);border-radius:6px;padding:1px 8px;font-size:.78rem;margin:2px 4px 2px 0}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
ol.steps{margin:.3em 0;padding-left:1.2em}
ol.steps li{margin:.3em 0}
.foot{max-width:860px;margin:0 auto;padding:20px 16px;font-size:.82rem;text-align:center}
.note{background:#fff8e6;border:1px solid #f0d98a;border-radius:10px;padding:10px 12px;font-size:.88rem;margin:.4em 0}
.q{font-weight:600}
.src{font-size:.82rem;color:var(--muted);margin-top:6px}