.stlv-wrap{max-width:960px;margin:30px auto;padding:0 16px;font-family:Arial,Helvetica,sans-serif;color:#101828}
.stlv-header{text-align:center;margin-bottom:24px}.stlv-header h1{margin:0 0 10px;font-size:40px;line-height:1.15}.stlv-header p{max-width:760px;margin:0 auto;color:#667085;font-size:16px;line-height:1.6}
.stlv-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}
.stlv-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.stlv-field label{display:block;font-weight:700;color:#344054;margin-bottom:7px}
.stlv-field input,.stlv-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}.stlv-field select[multiple]{min-height:120px}.stlv-field input:focus,.stlv-field select:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.12)}.stlv-field small{display:block;margin-top:6px;color:#667085}
.stlv-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;background:#f8fafc;border:1px solid #e6eaf0;border-radius:15px;padding:13px;margin:14px 0}.stlv-options label{color:#344054;font-weight:600}
.stlv-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.stlv-btn{border:none;background:#2563eb;color:#fff;padding:12px 17px;border-radius:12px;font-weight:700;cursor:pointer;transition:.2s ease}.stlv-btn:hover{transform:translateY(-1px);filter:brightness(.96)}.stlv-soft{background:#f2f4f7;color:#344054}.stlv-copy{background:#16a34a}
.stlv-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}
.stlv-results{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.stlv-results div{background:#f8fafc;border:1px solid #e6eaf0;border-radius:15px;padding:14px}.stlv-results span{display:block;font-size:13px;color:#667085;margin-bottom:7px}.stlv-results strong{display:block;font-size:22px;color:#101828}
.stlv-note{background:#fffaeb;color:#92400e;border:1px solid #fedf89;border-radius:16px;padding:14px 16px;line-height:1.55}
@media(max-width:800px){.stlv-header h1{font-size:32px}.stlv-grid{grid-template-columns:1fr}.stlv-options{grid-template-columns:1fr}.stlv-results{grid-template-columns:1fr 1fr}.stlv-main-result{font-size:21px}}@media(max-width:520px){.stlv-results{grid-template-columns:1fr}}