:root{--lab-paper:#080911;--lab-surface:#10111f;--lab-surface-raised:#191a2c;--lab-ink:#f4f3ff;--lab-muted:#a5a6bc;--lab-line:#b0adde2b;--lab-soft:#161625;--lab-focus:#c3aeff;--lab-blue:#5470ff;--lab-violet:#8c50ff;--lab-magenta:#d762f2;--lab-gradient:linear-gradient(115deg, #4869ff 0%, #9253ff 56%, #dc72ef 100%);--lab-gradient-soft:linear-gradient(125deg, #4869ff2e, #9253ff33 56%, #dc72ef1f);--content-max:1320px;--page-gutter:clamp(20px, 4vw, 64px);--header-height:72px;--section-gap:clamp(80px, 8vw, 116px);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:28px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-panel:18px;--radius-card:24px;--radius-pill:999px;--duration-fast:.15s;--duration-medium:.21s;--duration-layout:.32s;--ease-out:cubic-bezier(.22, 1, .36, 1);--font-sans:Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}@media (max-width:768px){:root{--header-height:64px;--section-gap:88px}}@media (max-width:640px){:root{--header-height:116px}}
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