.fir-box{max-width:700px;margin:20px auto;padding:20px;border-radius:18px;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.1)}
.fir-drop{padding:40px;border:2px dashed #4a7aff;text-align:center;border-radius:14px;cursor:pointer;margin-bottom:15px}
.fir-row{display:flex;gap:10px;margin:15px 0}
.fir-row input,select{width:100%;padding:12px;border:1px solid #ccc;border-radius:10px}
.fir-btn{display:inline-block;padding:12px 18px;border:none;border-radius:10px;text-decoration:none;cursor:pointer}
.fir-preview,.fir-result img{max-width:100%;border-radius:12px;margin:10px 0}