:root{--color-primary:#006fc0;--color-primary-hover:#005a9e;--color-primary-light:#e5f4fd;--color-primary-mid:#1a9af0;--color-navy:#0a1d37;--color-navy-deep:#002b5c;--color-teal:#00a99d;--color-orange:#e8912d;--color-green:#28a745;--color-green-hover:#218838;--color-white:#ffffff;--color-bg:#f8fafc;--color-bg-alt:#f0f4f8;--color-text:#333333;--color-text-muted:#6b7280;--color-text-dark:#1a2332;--color-border:#e5e7eb;--color-border-light:#f0f0f0;--color-star:#f5a623;--color-zalo:#0068ff;--font-heading:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,sans-serif;--font-body:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,sans-serif;--radius-sm:6px;--radius:8px;--radius-md:10px;--radius-lg:12px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow:0 4px 16px rgba(0,0,0,0.08);--shadow-md:0 8px 24px rgba(0,0,0,0.1);--shadow-lg:0 12px 40px rgba(0,0,0,0.12);--container:1200px;--header-height:80px;--transition:0.25s ease;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:5rem}