.stot-wrap{max-width:960px;margin:46px auto 30px;padding:0 16px;font-family:Arial,Helvetica,sans-serif;color:#101828}
.stot-header{text-align:center;margin:18px 0 24px;padding-top:10px}
.stot-header h1{margin:0 0 10px;font-size:40px;line-height:1.15;color:#101828}
.stot-header p{max-width:780px;margin:0 auto;color:#667085;font-size:16px;line-height:1.6}
.stot-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}
.stot-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.stot-field{margin-bottom:14px}.stot-field label{display:block;font-weight:700;color:#344054;margin-bottom:7px}
.stot-field input,.stot-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}
.stot-field input:focus,.stot-field select:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.stot-options{background:#f8fafc;border:1px solid #e6eaf0;border-radius:15px;padding:13px;margin:8px 0 14px}.stot-options label{color:#344054;font-weight:600}
.stot-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.stot-btn{border:none;background:#2563eb;color:#fff;padding:12px 17px;border-radius:12px;font-weight:700;cursor:pointer;transition:.2s ease}
.stot-btn:hover{transform:translateY(-1px);filter:brightness(.96)}.stot-soft{background:#f2f4f7;color:#344054}.stot-copy{background:#16a34a}
.stot-main-result{margin-top:18px;background:linear-gradient(135deg,#0f172a,#2563eb);color:#fff;border-radius:20px;padding:24px;font-size:25px;font-weight:800;line-height:1.35}
.stot-results{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.stot-results div{background:#f8fafc;border:1px solid #e6eaf0;border-radius:15px;padding:14px}.stot-results span{display:block;font-size:13px;color:#667085;margin-bottom:7px}.stot-results strong{display:block;font-size:21px;color:#101828}
.stot-note{background:#fffaeb;color:#92400e;border:1px solid #fedf89;border-radius:16px;padding:14px 16px;line-height:1.55}
@media(max-width:800px){.stot-header h1{font-size:32px}.stot-grid{grid-template-columns:1fr}.stot-results{grid-template-columns:1fr 1fr}.stot-main-result{font-size:21px}}
@media(max-width:520px){.stot-results{grid-template-columns:1fr}}