:root{--bk-white:#fff;--bk-ink-900:#073b31;--bk-ink-700:#315f56;--bk-ink-500:#64746f;--bk-brand-standard:#055732;--bk-green-700:var(--bk-brand-standard);--bk-green-600:var(--bk-brand-standard);--bk-green-500:#168063;--bk-teal-600:#128b95;--bk-blue-600:#0f6fb5;--bk-gold-500:#c89d2d;--bk-gold-300:#dfc27a;--bk-mint-100:#f1f8f5;--bk-mint-075:#f7fbf9;--bk-line-200:#dbe7e1;--bk-line-100:#073b311a;--color-text-primary:var(--bk-ink-900);--color-text-secondary:var(--bk-ink-700);--color-text-muted:var(--bk-ink-500);--color-brand-primary:var(--bk-green-600);--color-brand-primary-strong:var(--bk-green-700);--color-brand-secondary:var(--bk-teal-600);--color-brand-accent:var(--bk-gold-500);--color-surface-page:var(--bk-white);--color-surface-soft:var(--bk-mint-100);--color-surface-subtle:var(--bk-mint-075);--color-border-subtle:var(--bk-line-200);--color-border-soft:var(--bk-line-100);--color-ink:#073b31;--color-ink-soft:#315f56;--color-muted:#64746f;--color-bg:#fff;--color-surface:#fff;--color-surface-tint:#f1f8f5;--color-line:#dbe7e1;--color-green:var(--bk-brand-standard);--color-teal:#128b95;--color-blue:#0f6fb5;--color-gold:#c89d2d;--shadow-raised:0 8px 18px #0058481f;--shadow-panel:0 14px 34px #073b310f;--shadow-header:0 8px 22px #073b3112;--shadow-soft:0 14px 34px #073b310f;--radius-control:6px;--radius-card:8px;--radius-panel:8px;--radius-pill:999px;--radius-sm:6px;--radius-md:8px;--radius-lg:8px;--container-max:1180px;--page-gutter-desktop:48px;--page-gutter-mobile:20px;--container:1180px;--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;--space-20:80px;--font-sans:"Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;--font-serif:"Noto Serif SC", "Songti SC", serif;--font-ui:var(--font-sans);--font-display:var(--font-serif);--text-hero-desktop:60px;--text-hero-mobile:36px;--text-section-desktop:40px;--text-section-mobile:30px;--text-card-title:20px;--text-body:16px;--text-ui:15px;--text-small:13px;--text-caption:12px;--leading-hero:1.18;--leading-heading:1.24;--leading-card:1.35;--leading-body:1.85;--leading-ui:1.45;--motion-fast:.18s;--motion-base:.26s;--motion-section:.52s;--ease-standard:cubic-bezier(.2, 0, .1, 1);--ease-out:cubic-bezier(.16, 1, .3, 1)}