.box-card{
    background:#fff;
    padding:30px;
    border-radius:12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    margin-bottom:25px;
}
.toggle-btn{
    background:#2563eb;
    color:#fff;
    border:none;
    padding:10px 18px;
    border-radius:6px;
    cursor:pointer;
    margin:10px 0;
}
.toggle-btn:hover{
    background:#1d4ed8;
}
.hidden-box{
    display:none;
    padding:20px;
    background:#f7f8fa;
    border-radius:8px;
    margin-top:10px;
    line-height:1.8;
}
.hidden-box h5{
    margin:12px 0 8px;
    font-size:17px;
}
.contact-item{
    margin:12px 0;
    font-size:16px;
}
@media screen and (max-width:768px){
    .box-card{
        padding:16px 14px;
    }
}