body{
    margin:0;
    background:#f5f7fa;
    font-family:Arial, Helvetica, sans-serif;
    color:#333;
    }
    
    .page{
    max-width:750px;
    margin:60px auto;
    background:white;
    padding:50px;
    border-radius:10px;
    box-shadow:0 5px 25px rgba(0,0,0,0.08);
    }
    
    .logo{
    display:block;
    margin:auto;
    width:70px;
    margin-bottom:10px;
    }
    
    h1{
    text-align:center;
    margin-bottom:5px;
    }
    
    .subtitle{
    text-align:center;
    font-size:18px;
    color:#666;
    margin-bottom:5px;
    }
    
    .updated{
    text-align:center;
    font-size:13px;
    color:#999;
    margin-bottom:40px;
    }
    
    h2{
    margin-top:30px;
    color:#1f2937;
    }
    
    p{
    line-height:1.6;
    margin-top:10px;
    }
    
    ul{
    margin-top:10px;
    padding-left:20px;
    }
    
    li{
    margin-bottom:8px;
    }
    
    footer{
    margin-top:40px;
    text-align:center;
    font-size:14px;
    color:#888;
    }