*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#f3f4f6;
}

.ptw-container{
    max-width:1200px;
    margin:40px auto;
    padding:20px;
    font-family:Arial,sans-serif;
}

.ptw-card{
    background:#fff;
    border-radius:25px;
    padding:40px;
}

.ptw-header{
    display:flex;
    align-items:center;
    gap:20px;
    margin-bottom:40px;
}

.ptw-icon{
    width:80px;
    height:80px;
    background:#4f73ff;
    border-radius:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    font-size:40px;
}

.ptw-header h1{
    font-size:72px;
    color:#111827;
    margin-bottom:10px;
}

.ptw-header p{
    color:#777;
    font-size:22px;
}

.ptw-upload-box{
    width:100%;
    border:2px dashed #ddd;
    border-radius:25px;
    padding:80px 20px;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
}

.ptw-upload-box:hover{
    border-color:#ffd400;
}

.ptw-upload-content{
    text-align:center;
}

.ptw-cloud{
    font-size:42px;
    margin-bottom:20px;
}

.ptw-upload-content h2{
    font-size:42px;
    color:#111827;
    margin-bottom:15px;
}

.ptw-upload-content p{
    color:#777;
    font-size:20px;
}

.ptw-btn{
    width:100%;
    margin-top:30px;
    background:#ffd400;
    border:none;
    padding:22px;
    border-radius:18px;
    font-size:28px;
    font-weight:700;
    cursor:pointer;
}

.ptw-btn:hover{
    background:#f0c800;
}

#result{
    margin-top:30px;
    text-align:center;
}

.download-btn{
    display:inline-block;
    padding:18px 30px;
    background:#22c55e;
    color:#fff;
    text-decoration:none;
    border-radius:12px;
    font-size:22px;
    font-weight:700;
}

.loading{
    font-size:22px;
    font-weight:700;
}

.error{
    color:red;
    font-size:20px;
    font-weight:700;
}

@media(max-width:768px){

    .ptw-header{
        flex-direction:column;
        text-align:center;
    }

    .ptw-header h1{
        font-size:42px;
    }

    .ptw-upload-content h2{
        font-size:28px;
    }

}