* {
    box-sizing: border-box;
}

.vn-hero-area {
    background: linear-gradient(rgba(15, 48, 87, 0.85), rgba(15, 48, 87, 0.95)), url('/images/banner 4.jpg');
    background-size: cover;
    background-position: center;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    border-radius: 0 0 30px 30px;
    margin-bottom: 40px;
    position: relative;
}

.vn-hero-area {
    background-color: #0F3057;
}

.vn-masthead {
    font-size: 2.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 15px;
    padding: 0 15px;
}

.vn-dateline {
    font-size: 14px;
    opacity: 0.9;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

    .vn-dateline span {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .vn-dateline i {
        color: #FF8126;
    }

.vn-body-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-bottom: 50px;
}

.vn-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.vn-item-box {
    background: #E0E0E0;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #eee;
    transition: 0.3s;
    text-align: center;
}

    .vn-item-box:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        border-color: #FF8126;
    }

.vn-icon-wrap {
    font-size: 40px;
    color: #FF8126;
    margin-bottom: 20px;
}

.vn-item-box h3 {
    color: #0F3057;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.vn-item-box p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
}


@media (max-width: 768px) {
    .vn-hero-area {
        height: 350px;
        border-radius: 0 0 20px 20px;
    }

    .vn-masthead {
        font-size: 1.8rem;
        line-height: 1.4;
    }

    .vn-dateline {
        gap: 10px;
        font-size: 12px;
    }

    .vn-btn-back {
        position: relative;
        top: auto;
        right: auto;
        margin: 0 auto 20px auto;
        background: rgba(255, 255, 255, 0.2);
        width: fit-content;
        justify-content: center;
    }

    .vn-body-wrapper {
        padding: 20px;
        margin-bottom: 30px;
        border-radius: 15px;
    }

    .vn-item-box {
        padding: 20px;
    }

    .vn-icon-wrap {
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .vn-hero-area {
        height: 300px;
    }

    .vn-masthead {
        font-size: 1.5rem;
    }

    .vn-dateline span {
        display: block;
        margin-bottom: 5px;
    }
}