:root{--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-bg-subtle: #f1f5f9;--color-surface: #ffffff;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--color-text: #0f172a;--color-text-sub: #475569;--color-text-muted: #94a3b8;--color-brand: #0f172a;--color-brand-hover: #1e293b;--color-primary: #2563eb;--color-success: #3b82f6;--color-error: #ef4444;--color-exi-school: #4f46e5;--color-exi-news: #d97706;--color-exi-terminal: #0891b2;--color-accent-indigo: #4f46e5;--color-accent-amber: #f59e0b;--color-accent-cyan: #06b6d4;--gradient-hero: linear-gradient(135deg, #f8fafc 0%, #f0f4ff 50%, #f0fdfb 100%);--gradient-school: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);--gradient-news: linear-gradient(135deg, #fffbeb 0%, #fff7ed 100%);--gradient-terminal: linear-gradient(135deg, #ecfeff 0%, #f0fdfa 100%);--section-padding: 64px 0;--container-max: 1160px;--container-padding: 0 24px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 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