.expo-wrapper{
    max-width:760px;
    margin:40px auto;
    padding:24px;
    background:#fff;
    border-radius:18px;
    box-shadow:0 8px 35px rgba(0,0,0,.08);
}

.expo-title{
    font-size:28px;
    font-weight:700;
    margin-bottom:20px;
    text-align:center;
}

#reader{
    width:100%;
    border-radius:16px;
    overflow:hidden;
}

#scanResult{
    margin-top:20px;
    padding:18px;
    background:#f5f5f5;
    border-radius:14px;
    font-size:15px;
    word-break:break-word;
}