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


body{
    background:#eef5fb;
    color:#163b66;
}



/* KHUNG */

.container{

    width:98%;

    margin:25px auto;

}



/* HEADER */

.header{

    background:linear-gradient(120deg,#075985,#0284c7);

    padding:35px 40px;

    border-radius:20px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    margin-bottom:25px;

}



.header h1{

    color:white;

    font-size:30px;

    font-weight:800;

}



.header p{

    color:white;

    margin-top:10px;

    font-size:16px;

}





/* NÚT QUAY LẠI */

.back{

    background:white;

    color:#075985;

    padding:13px 28px;

    border-radius:10px;

    text-decoration:none;

    font-weight:700;

}



.back:hover{

    opacity:.85;

}





/* KHUNG NỘI DUNG */

.box{

    background:white;

    padding:30px 35px;

    border-radius:20px;

}





/* DÒNG THÔNG TIN */

.item{

    padding:18px 0;

    border-bottom:1px solid #e2e8f0;

}



.item:last-child{

    border-bottom:none;

}



.item label{

    display:block;

    font-size:16px;

    font-weight:700;

    color:#075985;

    margin-bottom:8px;

}



.item p{

    color:#334155;

    font-size:16px;

    line-height:1.6;

}





/* LINK CÔNG BỐ */

.link{

    display:inline-block;

    background:#2563eb;

    color:white;

    padding:9px 18px;

    border-radius:8px;

    text-decoration:none;

    font-weight:bold;

}



.link:hover{

    opacity:.85;

}





@media(max-width:900px){

.container{

    width:95%;

}


.header{

    flex-direction:column;

    align-items:flex-start;

    gap:20px;

}


}