body{
    background: #f5f5f5;
}

.banner{
   background: #eeeeee;
}
.banner img{
    display: block;
    width: 1300px;
    margin: 0 auto;
}
.content {
    width: 800px;
    margin: 20px auto ;
}

.video video{
    width: 800px;
    height: 370px;
}
.video{
    position: relative;
    width: 800px;
    height: 370px;

}
.video .img{
    width: 800px;
    height: 370px;
}
#play{
    /* display: none; */
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    cursor: pointer;
}
.video:hover #play{
    display: block;
}
.content h2{
    font-size: 32px;
    margin-top: 29px;
    margin-left: 41px;

}
.cishu{
    text-align: right;
    font-size: 16px;
    color: #686868;
    margin-top: 35px;
    margin-bottom: 50px;
    margin-right: 46px;
}
.cishu span{
    color: red;
    font-size: 18px;
    
}
.cinfo{
    width: 715px;
    margin: 0 auto 32px;
} 
.content h4{
    font-size: 20px;
   
    padding-bottom: 12px;
    border-bottom:1px solid #999999;
}
.cinfo p{
    margin-top: 8px;
    width: 695px;
    padding-left: 20px;
    line-height: 24px;
    font-size: 16px;
}