/* ... (CSS cũ giữ nguyên) ... */

    /* --- STYLE CHO SECTION TIỆN ÍCH MỚI --- */
    .utilities-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        margin-top: 30px;
    }

    .utility-card {
        background: #fff;
        border: 1px solid #eee;
        border-radius: 12px;
        padding: 25px;
        text-align: center;
        text-decoration: none;
        transition: 0.3s;
        display: flex;
        flex-direction: column;
        align-items: center;
        height: 100%;
    }

    .utility-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        border-color: var(--gold-color);
    }

    .util-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        background: #f9f9f9;
        width: 70px;
        height: 70px;
        line-height: 70px;
        border-radius: 50%;
    }

    .util-info h4 {
        color: var(--bg-dark);
        font-family: var(--title-font);
        font-size: 1.1rem;
        margin-bottom: 8px;
        font-weight: bold;
    }

    .util-info p {
        font-size: 0.85rem;
        color: #666;
        line-height: 1.5;
        margin: 0;
    }

    /* FIX MOBILE CHO TIỆN ÍCH (Quan trọng) */
    @media (max-width: 900px) {
        .utilities-grid {
            grid-template-columns: repeat(2, 1fr); /* Tablet: 2 cột */
            gap: 15px;
        }
    }

    @media (max-width: 600px) {
        .utilities-grid {
            grid-template-columns: 1fr; /* Mobile: 1 cột dọc */
        }
        .utility-card {
            flex-direction: row; /* Mobile: Icon bên trái, chữ bên phải */
            text-align: left;
            align-items: center;
            padding: 15px;
        }
        .util-icon {
            margin-bottom: 0;
            margin-right: 15px;
            width: 50px;
            height: 50px;
            line-height: 50px;
            font-size: 1.8rem;
        }
    }