*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#f3f4f6;
}

.detail-container{
    width:90%;
    max-width:1000px;
    margin:50px auto;
}

.detail-card{
    background:white;
    border-radius:20px;
    overflow:hidden;

    box-shadow:0 8px 25px rgba(0,0,0,0.12);
}

.detail-card img{
    width:100%;
    height:500px;
    object-fit:cover;
    display:block;
}

.detail-content{
    padding:40px;
}

.kategori{
    display:inline-block;

    background:#1f4e79;
    color:white;

    padding:8px 16px;

    border-radius:8px;

    font-size:14px;
    font-weight:bold;

    margin-bottom:20px;
}

.detail-content h1{
    font-size:38px;
    line-height:1.4;

    color:#1f1f1f;

    margin-bottom:20px;
}

.tanggal{
    color:#777;
    font-size:15px;

    margin-bottom:35px;
}

.isi-berita{
    font-size:18px;
    line-height:1.9;
    color:#333;

    text-align:justify;
}

.btn-kembali{
    display:inline-block;

    margin-top:40px;

    background:#1f4e79;
    color:white;

    text-decoration:none;

    padding:14px 22px;

    border-radius:10px;

    font-weight:bold;

    transition:0.3s;
}

.btn-kembali:hover{
    background:#163a5c;
}

@media(max-width:768px){

    .detail-card img{
        height:300px;
    }

    .detail-content{
        padding:25px;
    }

    .detail-content h1{
        font-size:28px;
    }

    .isi-berita{
        font-size:16px;
    }

}

@media(max-width:480px){

    .detail-container{
        width:94%;
    }

    .detail-card img{
        height:230px;
    }

    .detail-content h1{
        font-size:24px;
    }

    .btn-kembali{
        width:100%;
        text-align:center;
    }

}