:root{--canvas:#f7f8fa;--text:#182230;--text-muted:#667085;--surface-subtle:#f3f5f7;--line:#e4e7ec;--line-strong:#d0d5dd;--background:var(--canvas);--foreground:var(--text);--muted:var(--text-muted);--card:#fff;--border:var(--line);--border-strong:var(--line-strong);--primary:#1f5eff;--primary-hover:#174bd1;--primary-soft:#eef3ff;--accent:#0f766e;--soft-blue:#f0f4ff;--soft-green:#edf8f4;--surface:#f7f8fa;--surface-raised:#fff;--danger:#b42318;--warning:#b54708;--success:#18733b;--shadow:0 2px 12px #1018280b;--shadow-hover:0 10px 26px #10182817;--font-meta:13px;--font-ui:14px;--font-body:15px;--font-lead:17px;--line-body:1.7;--control-compact:34px;--control-default:40px;--control-large:44px;--radius-small:8px;--radius-control:8px;--radius-panel:12px;--radius-dialog:16px;--radius-large:16px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--page-width:1240px;--page-gutter:32px;--nav-height:64px;--motion-fast:.15s ease}html{background:var(--background);-moz-text-size-adjust:100%;text-size-adjust:100%}body{color:var(--foreground);background:var(--background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;font-size:var(--font-body);line-height:var(--line-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}button,input,textarea,select{box-sizing:border-box;font:inherit}button,input,textarea,select,a{transition:border-color var(--motion-fast), box-shadow var(--motion-fast), background-color var(--motion-fast), color var(--motion-fast), opacity var(--motion-fast)}button,select{cursor:pointer}button:disabled,input:disabled,select:disabled,textarea:disabled{cursor:not-allowed}a{color:inherit}::selection{color:var(--foreground);background:#dce7ff}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline-width:3px}input[aria-invalid=true],textarea[aria-invalid=true],select[aria-invalid=true]{box-shadow:0 0 0 3px #b423181a;border-color:var(--danger)!important}