*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}


.containerpc{
    max-width:900px;
    background:#fff;
    margin:auto;
    padding:30px;
    border-radius:10px;
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
}
.containerpc h1{margin-top:0;}
.containerpc .row{
    display:flex;
    flex-wrap:wrap;
    gap:15px;
    margin-bottom:15px;
}
.containerpc .group{
    flex:1 1 30%;
    min-width:180px;
}
.containerpc label{
    display:block;
    font-weight:600;
    margin-bottom:5px;
}
.containerpc input, .containerpc select{
    width:100%;
    padding:8px;
    border:1px solid #ccc;
    border-radius:5px;
}
.containerpc button{
    background:#5b6cff;
    color:#fff;
    border:none;
    padding:12px;
    width:100%;
    border-radius:6px;
    font-size:16px;
    cursor:pointer;
}
.containerpc button:hover{background:#4654e1;}
.containerpc .result{
    margin-top:20px;
    background:#eef2ff;
    padding:20px;
    border-radius:8px;
    font-weight:600;
}