:root{--color-canvas:#f6f5f1;--color-surface:#ffffff;--color-ink:#17212b;--color-ink-deep:#0b1620;--color-subfooter:#2b3033;--color-footer:#071018;--color-brand:#f68011;--color-brand-hover:#d96b00;--color-brand-soft:#fff2e3;--color-brand-text:#b95700;--color-brand-text-strong:#ad5200;--color-text:#17212b;--color-text-secondary:#46515d;--color-text-muted:#66717d;--color-text-tertiary:#66717d;--color-line:#d9d6cf;--color-line-light:#eceae4;--color-error:#c7372f;--color-success:#217a4a;--color-focus:#f68011;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--font-weight-regular:400;--font-weight-medium:500;--font-weight-bold:700;--font-size-label:.75rem;--font-size-body-sm:.9375rem;--font-size-body:1rem;--font-size-card:1.5rem;--font-size-section:clamp(2rem,3vw,2.75rem);--font-size-page-title:clamp(2.5rem,4vw,3.5rem);--font-size-heading-1:var(--font-size-page-title);--font-size-heading-2:var(--font-size-section);--font-size-heading-3:clamp(1.375rem,1.6vw,1.75rem);--font-size-heading-4:clamp(1.125rem,1.25vw,1.375rem);--font-size-heading-5:1rem;--font-size-heading-6:.875rem;--font-size-hero:clamp(3rem,5vw,4rem);--font-size-display:var(--font-size-hero);--font-size-body-lg:1.125rem;--font-size-data:clamp(3rem,5vw,4rem);--line-height-tight:1.12;--line-height-title:1.2;--line-height-body:1.7;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--space-9:6rem;--space-10:8rem;--section-space-compact:3rem;--section-space-desktop:4rem;--section-space-feature:5rem;--section-space-mobile:2.75rem;--section-heading-gap:2rem;--container-width:1440px;--container-padding:clamp(1.25rem,4vw,4rem);--radius-button:4px;--radius-card:8px;--radius-panel:12px;--radius-pill:999px;--shadow-card:0 8px 24px rgba(11,22,32,.06);--shadow-card-hover:0 14px 36px rgba(11,22,32,.1);--shadow-header:0 4px 20px rgba(11,22,32,.05);--shadow-button-hover:0 0 0 3px rgba(246,128,17,.22),0 12px 28px rgba(11,22,32,.22);--shadow-button-active:0 0 0 2px rgba(246,128,17,.18),0 4px 12px rgba(11,22,32,.18);--motion-fast:180ms;--motion-button:220ms;--motion-card:240ms;--motion-panel:300ms;--motion-image:420ms;--motion-reveal:600ms;--motion-hero:800ms;--motion-scene:700ms;--ease-out:cubic-bezier(.22,1,.36,1);--move-button:2px;--move-card:4px;--move-heading:20px;--move-body:14px;--move-arrow:4px;--move-tooltip:6px;--header-height:80px;--header-height-scrolled:72px;--header-height-mobile:64px;--inner-hero-min-height:clamp(420px,50svh,520px);--button-height:52px;--button-height-min:48px;--tap-target-min:44px}