:root { --sr-section-pad: 4rem; }
        body { background: #f8fafc; }
        .sr-hero { background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%); }
        .sr-section { padding: var(--sr-section-pad) 0; }
        .sr-section-title { margin-bottom: 1.5rem; }
        .sr-card { height: 100%; }
        .sr-muted { color: #475569; }
        .sr-footer { border-top: 1px solid #e2e8f0; }