body{margin:0;background:#f7f9fc;font-family:Inter,Arial;color:#13213b}.tool-page{max-width:900px;margin:60px auto;padding:20px}.tool-card{background:#fff;border:1px solid #e2e7ef;border-radius:16px;padding:35px;box-shadow:0 10px 35px rgba(20,40,70,.08)}h1{font-size:32px}.drop{border:2px dashed #b9c5d6;border-radius:12px;padding:50px;text-align:center;background:#fafcff;cursor:pointer}.drop input{display:none}.btn{background:#ffc400;border:0;padding:12px 20px;border-radius:8px;font-weight:800;cursor:pointer;margin-top:15px}.back{display:inline-block;margin-bottom:20px;color:#2e6bc6}.status{margin-top:15px;color:#66748a;font-size:13px}.preview{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.preview img{max-width:160px;max-height:160px;border-radius:8px;border:1px solid #ddd}