:root{--color-brand:#0766e9;--color-brand-dark:#0552be;--color-ink:#02153a;--color-body:#374151;--color-muted:#4b5563;--color-subtle:#6b7686;--color-border:#e1ebf6;--color-border-strong:#d3dce8;--color-tint:#eef5fc;--color-page:#f7fafe;--color-surface:#fff;--color-neutral-bg:#f1f4f9;--color-success:#1a7f45;--color-success-bg:#e8f7ee;--color-success-border:#bfe6cd;--color-warning:#8a5300;--color-warning-icon:#b46b00;--color-warning-bg:#fff4db;--color-warning-border:#f3dca8;--color-danger:#b42318;--color-danger-dark:#8e1c12;--color-danger-bg:#fef1ef;--color-danger-border:#f6cdc8;--color-info-bg:#eef5fd;--color-info-border:#cfe0f6;--color-disabled-bg:#ccd7e5;--color-disabled-text:#5b6a80;--color-backdrop:#02153a75;--font-sans:var(--font-jakarta), var(--font-noto-sc), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;--font-mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--text-xs:.75rem;--text-sm:.8125rem;--text-md:.875rem;--text-base:.9375rem;--text-lg:1rem;--text-xl:1.125rem;--text-2xl:1.5rem;--text-3xl:2.25rem;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--weight-heavy:800;--tracking-label:.08em;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:12px;--radius-xl:16px;--radius-pill:999px;--shadow-sm:0 1px 2px #02153a0f;--shadow-md:0 6px 20px #02153a14;--shadow-overlay:0 16px 40px #02153a1f;--border-overlay:1px solid #e6ecf4;--control-height:44px;--control-height-sm:40px;--focus-ring:0 0 0 2px var(--color-surface), 0 0 0 5px #0766e961;--focus-ring-danger:0 0 0 2px var(--color-surface), 0 0 0 5px #b4231852}*,:before,:after{box-sizing:border-box}body{background:var(--color-surface);color:var(--color-body);font-family:var(--font-sans);font-size:var(--text-lg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.5}