*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI,Arial,sans-serif;
}
body{
    background:linear-gradient(135deg,#eef4ff,#f8fbff);
    padding:30px;
}
.wrap{
    max-width:1100px;
    margin:auto;
    background:#fff;
    border-radius:28px;
    padding:30px;
    box-shadow:0 20px 50px rgba(0,0,0,.08);
}
h1{
    font-size:36px;
    margin-bottom:10px;
}
.sub{
    color:#6f8094;
    margin-bottom:28px;
}
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:18px;
}
.box{
    background:#f8fbff;
    border:1px solid #e1ebf5;
    border-radius:18px;
    padding:18px;
}
label{
    display:block;
    font-size:13px;
    font-weight:700;
    margin-bottom:8px;
    color:#456;
}
input{
    width:100%;
    border:none;
    border-bottom:2px solid #c9d8ea;
    background:none;
    font-size:30px;
    padding:8px 0;
    outline:none;
}
input:focus{
    border-color:#3b82f6;
}
.hint{
    margin-top:6px;
    font-size:12px;
    color:#7f90a2;
}
.results{
    margin-top:28px;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:18px;
}
.card{
    background:#f5f8fc;
    border-radius:18px;
    padding:20px;
}
.tt{
    font-size:14px;
    font-weight:700;
    color:#456;
    margin-bottom:10px;
}
.val{
    font-size:34px;
    font-weight:900;
}
.note{
    margin-top:8px;
    font-size:12px;
    color:#8091a2;
}
.big{
    margin-top:24px;
    background:#eaf2ff;
    border-radius:22px;
    padding:24px;
}
.big .t{
    font-size:16px;
    font-weight:700;
}
.big .v{
    margin-top:10px;
    font-size:48px;
    font-weight:900;
}
.total{
    margin-top:24px;
    background:#14293e;
    color:#fff;
    border-radius:22px;
    padding:24px;
}
.total .t{
    font-size:18px;
}
.total .v{
    margin-top:8px;
    font-size:52px;
    font-weight:900;
}
.highlight{
    background:#e8f5e9;
    border-left:4px solid #2e7d32;
}
.warning{
    background:#fff3e0;
    border-left:4px solid #ff9800;
    font-size:13px;
    padding:12px;
    margin-top:20px;
    border-radius:12px;
}