:root{--primary: #1d6ef0;--primary-hover: #1a5fd4;--primary-active: #1649a8;--primary-light: #eef4ff;--primary-lighter: #f0f5ff;--primary-focus-ring: rgba(29, 110, 240, .08);--success: #16a34a;--success-light: #f0fdf4;--warning: #ea580c;--warning-light: #fff7ed;--danger: #dc2626;--danger-light: #fef2f2;--text-primary: #1e293b;--text-secondary: #475569;--text-tertiary: #64748b;--text-muted: #94a3b8;--bg-page: #f4f6f9;--bg-card: #ffffff;--bg-sidebar: #f8fafc;--bg-hover: #f1f5f9;--bg-active: #eef4ff;--border-primary: #e2e8f0;--border-secondary: #cbd5e1;--border-light: #f1f5f9;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 18px 40px rgba(15, 23, 42, .12);--shadow-dialog: 0 18px 48px rgba(15, 23, 42, .18);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;--radius-full: 999px;--font-family: "Inter", "Segoe UI", "Microsoft YaHei", "PingFang SC", "Arial", sans-serif;--sidebar-width: 280px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-family);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-secondary);border-radius:var(--radius-full)}