:root{color-scheme:light;--pc-bg: #f5f7fa;--pc-surface: #ffffff;--pc-ink: #1f2329;--pc-muted: #86909c;--pc-line: #e5e6eb;--pc-brand: #2080f0;--pc-brand-soft: #e8f3ff;--pc-sider-bg: #ffffff;--pc-sider-border: #e5e6eb;--pc-shadow: 0 1px 2px rgba(0, 0, 0, .03);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--pc-bg);color:var(--pc-ink)}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}a{color:inherit;text-decoration:none}.page{display:flex;flex-direction:column;gap:12px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:4px}.page-header h2{margin:0;font-size:18px;font-weight:650;color:var(--pc-ink)}.page-header p{margin:4px 0 0;color:var(--pc-muted);font-size:13px;line-height:1.5}.surface-card,.card-wrapper{background:var(--pc-surface);border:1px solid var(--pc-line);border-radius:8px;box-shadow:var(--pc-shadow)}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}@media (max-width: 1100px){.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.metric-grid{grid-template-columns:1fr}}.metric-card{padding:16px 18px;border-radius:8px;background:var(--pc-surface);border:1px solid var(--pc-line);box-shadow:var(--pc-shadow)}.metric-card .label{color:var(--pc-muted);font-size:13px}.metric-card .value{margin-top:8px;font-size:24px;font-weight:700;letter-spacing:-.02em;color:var(--pc-ink);font-variant-numeric:tabular-nums}.metric-card .hint{margin-top:4px;font-size:12px;color:#a9aeb8}.table-foot{margin-top:14px;display:flex;justify-content:center}