.stwd-wrap{
    max-width:960px;
    margin:30px auto;
    padding:0 16px;
    font-family:Arial,Helvetica,sans-serif;
    color:#101828;
}
.stwd-header{
    text-align:center;
    margin-bottom:24px;
}
.stwd-header h1{
    margin:0 0 10px;
    font-size:40px;
    line-height:1.15;
    color:#101828;
}
.stwd-header p{
    max-width:760px;
    margin:0 auto;
    color:#667085;
    font-size:16px;
    line-height:1.6;
}
.stwd-card{
    background:#fff;
    border:1px solid #e6eaf0;
    border-radius:22px;
    padding:24px;
    box-shadow:0 12px 32px rgba(16,24,40,.06);
    margin-bottom:18px;
}
.stwd-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
    margin-bottom:14px;
}
.stwd-field label{
    display:block;
    font-weight:700;
    color:#344054;
    margin-bottom:7px;
}
.stwd-field input,
.stwd-field select{
    width:100%;
    border:1px solid #d0d5dd;
    border-radius:13px;
    padding:12px 13px;
    font-size:15px;
    box-sizing:border-box;
    background:#fff;
    color:#101828;
    outline:none;
}
.stwd-field select[multiple]{
    min-height:120px;
}
.stwd-field input:focus,
.stwd-field select:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 4px rgba(37,99,235,.12);
}
.stwd-field small{
    display:block;
    margin-top:6px;
    color:#667085;
}
.stwd-options{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    background:#f8fafc;
    border:1px solid #e6eaf0;
    border-radius:15px;
    padding:13px;
    margin:14px 0;
}
.stwd-options label{
    color:#344054;
    font-weight:600;
}
.stwd-actions{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:16px;
}
.stwd-btn{
    border:none;
    background:#2563eb;
    color:#fff;
    padding:12px 17px;
    border-radius:12px;
    font-weight:700;
    cursor:pointer;
    transition:.2s ease;
}
.stwd-btn:hover{
    transform:translateY(-1px);
    filter:brightness(.96);
}
.stwd-soft{
    background:#f2f4f7;
    color:#344054;
}
.stwd-copy{
    background:#16a34a;
}
.stwd-main-result{
    margin-top:18px;
    background:linear-gradient(135deg,#0f172a,#2563eb);
    color:#fff;
    border-radius:20px;
    padding:24px;
    font-size:26px;
    font-weight:800;
    line-height:1.35;
}
.stwd-results{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:12px;
    margin-top:16px;
}
.stwd-results div{
    background:#f8fafc;
    border:1px solid #e6eaf0;
    border-radius:15px;
    padding:14px;
}
.stwd-results span{
    display:block;
    font-size:13px;
    color:#667085;
    margin-bottom:7px;
}
.stwd-results strong{
    display:block;
    font-size:26px;
    color:#101828;
}
.stwd-note{
    background:#fffaeb;
    color:#92400e;
    border:1px solid #fedf89;
    border-radius:16px;
    padding:14px 16px;
    line-height:1.55;
}
@media(max-width:800px){
    .stwd-header h1{font-size:32px}
    .stwd-grid{grid-template-columns:1fr}
    .stwd-results{grid-template-columns:1fr 1fr}
    .stwd-main-result{font-size:22px}
}
@media(max-width:520px){
    .stwd-results{grid-template-columns:1fr}
}