:root{--brand-primary:#2b6ef0;--brand-primary-hover:#1a5fdf;--brand-primary-active:#1549bf;--status-success:#10b981;--status-warning:#f59e0b;--status-error:#ef4444;--status-info:#3b82f6;--color-border:#e4e7eb;--color-border-light:#f3f4f6;--color-bg-white:#fff;--color-bg-page:#f9fafb;--color-bg-disabled:#f3f4f6;--color-text-primary:#1f2937;--color-text-secondary:#6b7280;--color-text-disabled:#9ca3af;--font-family-base:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-size-title:20px;--font-size-body:14px;--font-size-small:12px;--line-height-title:28px;--line-height-body:20px;--line-height-small:16px;--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-6:24px;--spacing-8:32px;--radius-button:8px;--radius-input:8px;--radius-tag:16px;--radius-card:8px;--shadow-card:0 1px 3px #0000000d, 0 1px 2px #00000008;--shadow-modal:0 20px 25px -5px #0000001a, 0 10px 10px -5px #00000005;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-slow:.3s ease}
*,:before,:after{box-sizing:border-box}html{font-size:16px}body{margin:0}