.stf{border:1px solid #e6e9ed;border-radius:14px;background:#fff;padding:22px;margin-bottom:20px}.stf-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;flex-wrap:wrap}.stf-head h3{font-size:17px;font-weight:900;margin:0}.stf-note{font-size:12.5px;font-weight:700;color:#1d4ed8;background:#eff6ff;border-radius:20px;padding:4px 11px}.stf-r{color:#1d4ed8;margin-left:3px}.stf-field{margin-bottom:14px}.stf-field>label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}.stf-field input,.stf-field select,.stf-field textarea{width:100%;border:1px solid #cfd4da;border-radius:8px;padding:10px 12px;font:inherit;font-size:14px;box-sizing:border-box;background:#fff}.stf-field textarea{min-height:130px;resize:vertical}.stf-field input:focus,.stf-field textarea:focus{outline:2px solid #3b82f6;border-color:transparent}.stf-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stf-hint{font-size:12px;color:#6b7280;margin-top:6px}.stf-imgs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}.stf-img{position:relative;width:108px;border:1px solid #e6e9ed;border-radius:10px;overflow:hidden;background:#fff}.stf-img img{width:100%;height:72px;-o-object-fit:cover;object-fit:cover;display:block}.stf-main{position:absolute;top:6px;left:6px;background:#2563eb;color:#fff;font-size:10.5px;font-weight:800;border-radius:4px;padding:2px 6px}.stf-imgbtns{display:flex}.stf-imgbtns button{flex:1;border:none;border-top:1px solid #eef1f4;background:#fff;font-size:12px;padding:4px 0;cursor:pointer;color:#454b52}.stf-imgbtns button+button{border-left:1px solid #eef1f4}.stf-imgbtns button:hover{background:#eff6ff;color:#1d4ed8}.stf-imgadd{display:flex;gap:8px}.stf-imgadd input{flex:1}.stf-picker{display:flex;gap:8px;flex-wrap:wrap;border:1px dashed #cfd4da;border-radius:10px;padding:10px;margin-top:10px}.stf-picker button{width:76px;height:54px;border:1px solid #e6e9ed;border-radius:8px;overflow:hidden;padding:0;background:#fff;cursor:pointer}.stf-picker button img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.stf-picker button:hover{border-color:#2563eb}.stf-channels{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stf-ch{display:grid;grid-template-columns:110px 1fr;gap:8px;align-items:center}.stf-ch span{font-size:12.5px;font-weight:700;color:#454b52}.stf-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}.stf-btn{border:none;cursor:pointer;font:inherit;font-weight:800;border-radius:8px;padding:11px 18px;font-size:14px;transition:.15s}.stf-btn-blue{background:#2563eb;color:#fff}.stf-btn-blue:hover{background:#1d4ed8}.stf-btn-out{background:#fff;border:1px solid #cfd4da;color:#141619}.stf-btn-out:hover{border-color:#2563eb;color:#1d4ed8}@media (max-width:1000px){.stf-channels,.stf-row2{grid-template-columns:1fr}}