body{
    background:#1B1B1B;
}
.main{
    width:100%;
    max-width: 640px;
    margin:0 auto;
    padding-top:5em;
    padding-bottom:4em;
    background:#1B1B1B;
}
.main-title{
    color:#dcdcdc;
    text-align: center;
}
.chinese-title{
    font-size:1.2em;
    font-weight: bold;
}
.english-title{
    margin-top:0.5em;
    font-size:0.5em;
}
.recommend{
    color:#a0a0a0;
    text-align: center;
    font-size:0.8em;
    line-height: 1.6em;
    margin-top:2em;
}
.ewm-main{
    margin-top:4em;
    text-align: center;
}
.ewm{
    width:50%;
    height:auto;
    border-radius:10px;
}
.ewm-update{
    width:50%;
    margin:2em auto 3em;
    background:#535353;
    border-radius:5px;
}
.ewm-update .update-img-src{
    font-size:1.2em;
    line-height: 2.5em;
    text-align: center;
    cursor:pointer;
}
.tishi{
    font-size:2em;
    color:white;
    text-align: center;
}