*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:tahoma,Arial;
    background:#f2f5f8;
    direction:rtl;
}

.container{
    max-width:750px;
    margin:auto;
    padding:20px;
}

.header{
    background:#111827;
    color:white;
    padding:25px;
    border-radius:18px;
    text-align:center;
    margin-bottom:25px;
}

.header h1{
    margin:0;
    font-size:28px;
}

.step{
    background:white;
    padding:20px;
    margin-bottom:20px;
    border-radius:18px;
    box-shadow:0 3px 15px rgba(0,0,0,.08);
}

.step h2{
    margin-top:0;
    color:#2563eb;
}

.step img{
    width:100%;
    border-radius:12px;
    margin-top:15px;
}

.download{
    display:block;
    text-align:center;
    background:#2563eb;
    color:white;
    padding:15px;
    border-radius:12px;
    text-decoration:none;
    margin:20px 0;
}