/* CSS tách từ ChiTietSanPham.php */
.material-symbols-outlined {
            font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
        }
        .editorial-gradient {
            background: linear-gradient(135deg, #3d6751 0%, #a8d5ba 100%);
        }
        .glass-nav {
            background: rgba(255, 249, 239, 0.7);
            backdrop-filter: blur(16px);
        }