.tu-upload-area{border:2px dashed #d0d5e0;border-radius:14px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s;background:#fafbfe;}
.tu-upload-area:hover,.tu-upload-area.dragover{border-color:#4e7cf5;background:#eef3ff;}
.tu-upload-area i{font-size:36px;color:#4e7cf5;margin-bottom:12px;}
.tu-upload-area p{font-size:15px;color:#5a6475;margin:4px 0;line-height:1.6;}
.tu-preview{max-width:100%;border-radius:10px;border:1px solid #e8ecf2;}