:root{--bg: #f4f6f8;--panel: #ffffff;--border: #e3e8ee;--text: #1f2a37;--muted: #6b7785;--brand: #3949ab;--brand-dark: #283593}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--brand);text-decoration:none}.app-shell{display:flex;flex-direction:column;min-height:100%}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--brand-dark);color:#fff;position:sticky;top:0;z-index:10;flex-wrap:wrap}.topbar .brand{font-size:17px;font-weight:700;white-space:nowrap}.topbar .spacer{flex:1}.topbar nav{display:flex;gap:4px;flex-wrap:wrap}.topbar nav a{color:#dfe3f5;padding:6px 12px;border-radius:8px;font-weight:500}.topbar nav a.active,.topbar nav a:hover{background:#ffffff29;color:#fff}.gh-select{background:#ffffff24;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:6px 10px;font-size:14px}.gh-select option{color:#000}.content{padding:18px 20px 40px;max-width:1280px;width:100%;margin:0 auto}.page-title{font-size:20px;font-weight:700;margin:4px 0}.page-hint{color:var(--muted);margin:0 0 16px;font-size:13px}.grid{display:grid;gap:14px}.grid.cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.card h3{margin:0 0 12px;font-size:15px}.metric{border-radius:12px;padding:14px 16px;border:1px solid var(--border);background:var(--panel)}.metric .label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}.metric .value{font-size:26px;font-weight:700;margin-top:4px}.metric .value .unit{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}.metric .sub{font-size:12px;color:var(--muted);margin-top:4px}.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.banner{border-radius:10px;padding:10px 14px;margin-bottom:14px;font-size:13px;border:1px solid}.banner.demo{background:#fff8e1;border-color:#ffe082;color:#8a6d00}.field{margin-bottom:14px}.field label{display:block;font-weight:600;margin-bottom:6px}.field .help{font-size:12px;color:var(--muted);margin-top:4px}input,select{font-size:14px;padding:9px 11px;border:1px solid var(--border);border-radius:9px;width:100%;background:#fff}input:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}.btn{background:var(--brand);color:#fff;border:none;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer}.btn:hover{background:var(--brand-dark)}.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn.sm{padding:5px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.muted{color:var(--muted)}.chip{border:1px solid var(--border);background:#fff;border-radius:999px;padding:5px 12px;cursor:pointer;font-size:13px}.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}.alert-row{border-left:4px solid var(--border);padding:12px 14px;border-radius:8px;background:#fff;border:1px solid var(--border);margin-bottom:10px}.alert-row .msg{font-weight:600}.alert-row .sug{margin-top:6px;padding:8px 10px;background:#f1f5ff;border-radius:8px;font-size:13px}.gh-card{cursor:pointer;transition:box-shadow .15s}.gh-card:hover{box-shadow:0 4px 14px #00000014}.legend-note{font-size:12px;color:var(--muted);margin-top:8px}