:root{--bg: #f6f8fc;--surface: #ffffff;--surface-2: #eef1f6;--text: #1f2937;--text-2: #4b5563;--text-3: #9ca3af;--border: #e5e7eb;--primary: #2563eb;--accent: #3b82f6;--shadow: 0 2px 8px rgba(15, 23, 42, .06);--shadow-hover: 0 10px 28px rgba(15, 23, 42, .12);--header-grad: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%)}[data-theme=dark]{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f1f5f9;--text-2: #cbd5e1;--text-3: #94a3b8;--border: #334155;--primary: #38bdf8;--accent: #60a5fa;--shadow: 0 2px 10px rgba(0, 0, 0, .35);--shadow-hover: 0 12px 30px rgba(0, 0, 0, .5);--header-grad: linear-gradient(135deg, #1e3a8a 0%, #4c1d95 100%)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;transition:background .3s,color 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.3s}.bar-1{padding:8px 20px 4px}.bar-2,.bar-3,.bar-4{padding:0 20px 4px}.cat-pill{border:1px solid var(--border);background:var(--surface);color:var(--text-2);padding:6px 13px;border-radius:999px;cursor:pointer;font-size:13px;font-family:inherit;transition:all .2s;-webkit-user-select:none;user-select:none}.cat-pill:hover{border-color:var(--primary);color:var(--primary)}.cat-pill.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.cat-pill .n{opacity:.65;font-size:11px;margin-left:3px}.sub-pill{border:1px dashed var(--border);background:transparent;color:var(--text-3);padding:4px 12px;border-radius:999px;cursor:pointer;font-size:12px;font-family:inherit;transition:all .2s;-webkit-user-select:none;user-select:none}.sub-pill:hover{color:var(--primary);border-color:var(--primary)}.sub-pill.active{background:color-mix(in srgb,var(--primary) 12%,var(--surface));border-color:var(--primary);color:var(--primary);font-weight:600}.sub-pill 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