.tdw-wrap{max-width:500px;margin:30px auto;text-align:center;font-family:sans-serif;}
.tdw-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.1);}
canvas{width:100%;border-radius:12px;margin-bottom:15px;}
input,button{width:100%;margin:8px 0;padding:12px;border-radius:8px;border:1px solid #ddd;}
button{background:#ff5722;color:#fff;font-weight:700;border:none;}
.tdw-check{font-size:14px;}