:root{--brand:#2563EB;--brand-2:#1D4ED8;--ink:#0F172A;--sub:#64748B;--line:#E2E8F0;--bg:#F6F8FB;--ok:#16A34A;--bad:#DC2626}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 16px}
.nav-top{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.logo{font-weight:800;font-size:17px;color:var(--brand)}
.logo .mark{display:inline-block;width:26px;height:26px;line-height:26px;text-align:center;background:var(--brand);color:#fff;border-radius:6px;font-size:12px;margin-right:8px}
.nav-main{display:flex;gap:2px;overflow-x:auto}
.nav-main a{padding:8px 13px;color:#475569;font-size:13px;white-space:nowrap;border-radius:8px}
.nav-main a:hover,.nav-main a.act{background:#EFF6FF;color:var(--brand);font-weight:700}
.nav-sub{display:flex;gap:4px;overflow-x:auto;padding:5px 0 9px;border-top:1px solid #F3F4F6}
.nav-sub a{padding:3px 11px;color:#64748B;font-size:12px;white-space:nowrap;border-radius:999px}
.nav-sub a:hover,.nav-sub a.act{background:#EFF6FF;color:var(--brand);font-weight:600}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}
.topstrip{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:16px 0 6px}
.topstrip h1{font-size:22px}.topstrip .sub{font-size:13px;color:var(--sub);margin-top:4px}
.topstrip .cd{background:var(--brand);color:#fff;border-radius:10px;padding:9px 16px;display:flex;align-items:center;gap:12px}
.topstrip .cd-time{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.topstrip .cd-lbl{font-size:11px;color:#DBEAFE}
.metrics{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 14px}
.metric{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px}
.metric b{color:var(--brand);font-weight:800}.metric.good b{color:var(--ok)}.metric.bad b{color:var(--bad)}
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:0 0 14px}
.cards a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center}
.cards a:hover{border-color:var(--brand)}
.cards a .t{font-size:13px;font-weight:700}.cards a .d{font-size:11px;color:var(--sub);margin-top:3px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin:14px 0}
.card h2{font-size:16px;display:flex;align-items:center;gap:8px}
.card h2 .pill{background:#EFF6FF;color:var(--brand);font-size:12px;border-radius:999px;padding:2px 10px;font-weight:600}
.card .desc{font-size:12px;color:var(--sub);margin:5px 0 10px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;max-height:520px;overflow-y:auto}
.data-table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}
.data-table thead th{background:#EFF6FF;color:#1D4ED8;padding:9px 8px;font-weight:700;white-space:nowrap;border-bottom:2px solid var(--brand);position:sticky;top:0;z-index:2}
.data-table tbody td{padding:7px 8px;text-align:center;border-bottom:1px solid #F1F5F9;white-space:nowrap;color:#374151}
.data-table tbody tr:nth-child(even){background:#F8FAFC}
.data-table tbody tr:hover{background:#EFF6FF}
.data-table td.num{font-weight:700;color:var(--brand)}.data-table td.mono{font-variant-numeric:tabular-nums;color:#6B7280;font-size:12px}
.ball{display:inline-block;width:24px;height:24px;line-height:24px;border-radius:6px;background:var(--brand);color:#fff;font-weight:700;font-size:11px;margin:0 2px;text-align:center}
.ball:nth-child(3n+2){background:#0EA5E9}.ball:nth-child(3n){background:#6366F1}
td.pred{font-weight:600}.hit{color:var(--ok);background:#E9F9EF;font-weight:700;border-radius:5px}.miss{color:var(--bad);background:#FDECEC;font-weight:700;border-radius:5px}
.footer{border-top:1px solid var(--line);margin-top:24px;padding:24px 0;background:#fff}
.footer .brand{font-weight:800;color:var(--brand)}
.footer .links{display:flex;flex-wrap:wrap;gap:6px 14px;margin:12px 0}
.footer .links a{color:#475569;font-size:13px}.footer .links a:hover{color:var(--brand)}
.footer .copy{color:#9CA3AF;font-size:12px}
@media(max-width:768px){.cards{grid-template-columns:repeat(3,1fr)}.topstrip h1{font-size:19px}}