:root{--brand:#4F46E5;--brand-2:#4338CA;--ink:#111827;--sub:#6B7280;--line:#E5E7EB;--bg:#F5F6FB;--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:1140px;margin:0 auto;padding:0 16px}
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-inner{display:flex;flex-direction:column;gap:6px;padding:12px 0 8px}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font-weight:800;font-size:17px;color:var(--brand)}
.logo .sub-logo{color:#111;font-weight:400;font-size:12px;margin-left:8px}
.nav-scroll{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px}
.nav-scroll a{flex:none;padding:8px 16px;border-radius:999px;background:#F1F2F8;color:#4B5563;font-size:13px;white-space:nowrap;transition:.16s}
.nav-scroll a:hover,.nav-scroll a.act{background:var(--brand);color:#fff;font-weight:600}
.hero{background:#fff;border-radius:20px;padding:24px 26px;margin:20px 0;border:1px solid var(--line)}
.hero h1{font-size:23px}
.hero .sub{font-size:13px;color:var(--sub);margin-top:5px}
.hero .cd{display:inline-flex;align-items:center;gap:12px;margin-top:14px;background:#EEF2FF;border-radius:12px;padding:10px 18px}
.hero .cd-time{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.hero .cd-lbl{font-size:13px;color:#4338CA}
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 18px}
.chip{background:#fff;border-radius:18px;padding:16px;border:1px solid var(--line);text-align:center}
.chip .n{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.chip .l{font-size:12px;color:var(--sub);margin-top:3px}
.card{background:#fff;border-radius:20px;padding:22px;margin:18px 0;border:1px solid var(--line)}
.card h2{font-size:17px;display:flex;align-items:center;gap:9px}
.card h2 .tag{background:var(--brand);color:#fff;font-size:12px;border-radius:8px;padding:2px 9px;font-weight:600}
.card .desc{font-size:13px;color:var(--sub);margin:6px 0 12px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.data-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
.data-table thead th{background:var(--brand);color:#fff;padding:11px 9px;font-weight:700;white-space:nowrap;font-size:13px}
.data-table tbody td{padding:8px 9px;text-align:center;border-bottom:1px solid #EEF0F4;white-space:nowrap;color:#374151}
.data-table tbody tr:nth-child(even){background:#FAFAFE}
.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:25px;height:25px;line-height:25px;border-radius:8px;background:var(--brand);color:#fff;font-weight:700;font-size:12px;margin:0 2px;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}
.tabs{display:flex;gap:8px;overflow-x:auto;margin:12px 0 6px}
.tabs a{padding:7px 16px;border-radius:999px;background:#F1F2F8;color:#4B5563;font-size:14px;white-space:nowrap;transition:.16s}
.tabs a:hover,.tabs a.act{background:var(--brand);color:#fff}
.play{padding-top:8px;border-top:1px solid #F0F1F5;margin-top:10px}
.play-title{font-size:16px;margin:4px 0 2px}.play-desc{font-size:13px;color:var(--sub);margin-bottom:10px}
.footer{background:#fff;border-top:1px solid var(--line);margin-top:26px;padding:26px 0}
.footer .brand{font-weight:800;color:var(--brand)}
.footer .links{display:flex;flex-wrap:wrap;gap:6px 18px;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){.chips{grid-template-columns:repeat(2,1fr)}}