.sttz-wrap{
    max-width:1160px;
    margin:30px auto;
    padding:0 16px;
    font-family:Arial,Helvetica,sans-serif;
    color:#101828;
}
.sttz-header{
    text-align:center;
    margin-bottom:24px;
}
.sttz-header h1{
    margin:0 0 10px;
    font-size:40px;
    line-height:1.15;
    color:#101828;
}
.sttz-header p{
    max-width:780px;
    margin:0 auto;
    color:#667085;
    font-size:16px;
    line-height:1.6;
}
.sttz-layout{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:18px;
    margin-bottom:18px;
}
.sttz-card{
    background:#fff;
    border:1px solid #e6eaf0;
    border-radius:22px;
    padding:22px;
    box-shadow:0 12px 32px rgba(16,24,40,.06);
}
.sttz-card h2{
    margin:0 0 16px;
    font-size:24px;
    color:#101828;
}
.sttz-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
    margin-bottom:14px;
}
.sttz-field label{
    display:block;
    font-weight:700;
    color:#344054;
    margin-bottom:7px;
}
.sttz-field select,
.sttz-field input{
    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;
}
.sttz-field select:focus,
.sttz-field input:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 4px rgba(37,99,235,.12);
}
.sttz-actions{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:14px;
}
.sttz-btn{
    border:none;
    background:#2563eb;
    color:#fff;
    padding:12px 17px;
    border-radius:12px;
    font-weight:700;
    cursor:pointer;
    transition:.2s ease;
}
.sttz-btn:hover{
    transform:translateY(-1px);
    filter:brightness(.96);
}
.sttz-soft{
    background:#f2f4f7;
    color:#344054;
}
.sttz-copy{
    background:#16a34a;
}
.sttz-result{
    margin-top:18px;
    background:linear-gradient(135deg,#0f172a,#2563eb);
    color:#fff;
    border-radius:20px;
    padding:22px;
    font-size:20px;
    font-weight:800;
    line-height:1.45;
}
.sttz-live-clocks{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:12px;
}
.sttz-clock{
    background:#f8fafc;
    border:1px solid #e6eaf0;
    border-radius:16px;
    padding:14px;
}
.sttz-clock span{
    display:block;
    color:#667085;
    font-size:13px;
    margin-bottom:6px;
}
.sttz-clock strong{
    display:block;
    font-size:22px;
    color:#101828;
}
.sttz-clock small{
    display:block;
    color:#667085;
    margin-top:4px;
}
.sttz-note{
    background:#fffaeb;
    color:#92400e;
    border:1px solid #fedf89;
    border-radius:16px;
    padding:14px 16px;
    line-height:1.55;
}
@media(max-width:900px){
    .sttz-layout{grid-template-columns:1fr}
    .sttz-header h1{font-size:32px}
}
@media(max-width:650px){
    .sttz-grid{grid-template-columns:1fr}
    .sttz-live-clocks{grid-template-columns:1fr}
    .sttz-result{font-size:18px}
}