.stpp-wrap{max-width:960px;margin:46px auto 30px;padding:0 16px;font-family:Arial,Helvetica,sans-serif;color:#101828}.stpp-header{text-align:center;margin:18px 0 24px;padding-top:10px}.stpp-header h1{margin:0 0 10px;font-size:40px}.stpp-header p{max-width:780px;margin:auto;color:#667085;line-height:1.6}.stpp-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}.stpp-upload{position:relative;border:2px dashed #b9c6da;border-radius:20px;background:#f8fafc;padding:30px;text-align:center;cursor:pointer;margin-bottom:18px}.stpp-upload:hover,.stpp-upload.dragover{border-color:#2563eb;background:#eef4ff}.stpp-upload input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.stpp-upload strong{display:block;font-size:20px;margin-bottom:8px}.stpp-upload span{display:block;color:#667085}.stpp-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.stpp-grid label{display:block;font-weight:700;margin-bottom:7px}.stpp-grid select{width:100%;border:1px solid #d0d5dd;border-radius:13px;padding:12px 13px;font-size:15px;box-sizing:border-box}.stpp-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.stpp-actions button{border:none;background:#2563eb;color:#fff;padding:12px 17px;border-radius:12px;font-weight:700;cursor:pointer}.stpp-actions .soft{background:#f2f4f7;color:#344054}.stpp-result{margin-top:18px;background:linear-gradient(135deg,#0f172a,#2563eb);color:#fff;border-radius:20px;padding:22px;font-size:21px;font-weight:800}.stpp-preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:16px}.stpp-item{background:#f8fafc;border:1px solid #e6eaf0;border-radius:16px;padding:10px}.stpp-item img{width:100%;height:120px;object-fit:cover;border-radius:12px;background:#fff}.stpp-item span{display:block;margin-top:8px;font-size:13px;word-break:break-word}.stpp-note{background:#fffaeb;color:#92400e;border:1px solid #fedf89;border-radius:16px;padding:14px 16px}@media(max-width:800px){.stpp-header h1{font-size:32px}.stpp-grid{grid-template-columns:1fr}.stpp-result{font-size:18px}}