:root{--brand:#4F46E5;--brand-2:#4338CA;--ink:#1F2937;--sub:#6B7280;--line:#E5E7EB;--bg:#F5F6FA;--ok:#16A34A;--bad:#DC2626}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
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}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.nav{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.06);position:sticky;top:0;z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:58px;gap:10px}
.logo{font-weight:800;font-size:17px;color:var(--brand)}
.logo .dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--brand);margin-right:6px}
.nav-links{display:flex;gap:2px;overflow-x:auto}
.nav-links a{padding:7px 12px;border-radius:8px;color:#4B5563;font-size:13px;white-space:nowrap;transition:.16s}
.nav-links a:hover,.nav-links a.act{background:#EEF2FF;color:var(--brand);font-weight:600}
.hero{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#fff;border-radius:16px;padding:22px 24px;margin:18px 0;box-shadow:0 2px 10px rgba(0,0,0,.05);flex-wrap:wrap}
.hero .left h1{font-size:22px}
.hero .left .sub{font-size:13px;color:var(--sub);margin-top:5px}
.hero .right{background:linear-gradient(135deg,#4F46E5,#7C3AED);color:#fff;border-radius:14px;padding:16px 22px;text-align:center}
.hero .right .cd-time{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:2px}
.hero .right .cd-lbl{font-size:12px;opacity:.9}
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}
.stat{background:#fff;border-radius:13px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.05);text-align:center}
.stat .n{font-size:25px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.stat .l{font-size:12px;color:var(--sub);margin-top:4px}
.card{background:#fff;border-radius:16px;padding:20px;margin:16px 0;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.card h2{font-size:17px;display:flex;align-items:center;gap:8px}
.card h2 .bar{width:5px;height:18px;background:var(--brand);border-radius:3px}
.card .desc{font-size:13px;color:var(--sub);margin:6px 0 12px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.data-table{width:100%;border-collapse:collapse;font-size:14px;min-width:700px}
.data-table thead th{background:var(--brand);color:#fff;padding:10px 8px;font-size:13px;white-space:nowrap}
.data-table tbody td{padding:8px;text-align:center;border-bottom:1px solid #EEF0F4;white-space:nowrap;color:#374151}
.data-table tbody tr:nth-child(even){background:#FAFBFF}.data-table tbody tr:hover{background:#EEF2FF}
.data-table td.num{font-weight:700;color:var(--brand)}.data-table td.mono{font-variant-numeric:tabular-nums;color:#6B7280;font-size:13px}
.ball{display:inline-block;width:24px;height:24px;line-height:24px;border-radius:50%;background:#4F46E5;color:#fff;font-weight:700;font-size:12px;margin:0 1px;text-align:center}
.ball:nth-child(3n+2){background:#2563EB}.ball:nth-child(3n){background:#7C3AED}
td.pred{font-weight:600}.hit{color:var(--ok);background:#E9F9EF;font-weight:700;border-radius:6px}.miss{color:var(--bad);background:#FDECEC;font-weight:700;border-radius:6px}
.crumbs{font-size:13px;color:var(--sub);margin:14px 0 0}.crumbs a{color:var(--brand)}
.footer{background:#fff;margin-top:28px;padding:26px 0;border-top:1px solid var(--line)}
.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:#4B5563;font-size:13px}.footer .links a:hover{color:var(--brand)}
.footer .copy{color:#9CA3AF;font-size:12px}
@media(max-width:768px){.statgrid{grid-template-columns:repeat(2,1fr)}}