.p-h1{
    height:24px;
    font-size:24px;
    font-family:PingFangSC-Semibold,PingFangSC;
    font-weight:bold;
    color:rgba(255,255,255,1);
    line-height:24px;
}

.p-h1-title{
    height:24px;
    font-size:24px;
    font-family:PingFangSC-Semibold,PingFangSC;
    font-weight:bold;
    color:rgba(255,255,255,1);
    line-height:24px;
    margin-top: 0px;
}

.p-h1-desc{
    margin-top: 12px;
    width:700px;
    font-size:13px;
    font-family:PingFangSC-Regular,PingFangSC;
    font-weight:400;
    color:rgba(255,255,255,1);
    line-height:21px;
}

.button{
    display: block;
    margin-top: 32px;
    width:96px;
    height:32px;
    background:rgba(41,98,255,1);
    border-radius:16px;
    font-size:15px;
    font-family:PingFangSC-Regular,PingFangSC;
    font-weight:400;
    color:rgba(255,255,255,1);
    line-height:32px;
    text-align: center;
}

.button:hover,
.button:active{
    background:#2354DB;
    color: #FFFFFF;
    text-decoration: none;
    cursor: pointer;
}

.img-container{
    position: relative;
    width: 100%;
}

.img-container img{
    display: block;
    margin: 0 auto;
}

.video-button{
    position: absolute;
    top: 176px;
    left: 50%;
    margin-left: -80px;
    display: block;
    width:160px;
    height:40px;
    background:rgba(41,98,255,1);
    border-radius:20px;
    font-size:18px;
    font-family:PingFangSC-Semibold,PingFangSC;
    font-weight:bold;
    color:rgba(255,255,255,1);
    line-height:40px;
    text-align: center;
    z-index: 1;
}

.video-button:hover,
.video-button:active{
    background:#2354DB;
    color: #FFFFFF;
    text-decoration: none;
    cursor: pointer;
}

.img-container-with-img{
    background: url(../images/mooc/img-4.png) no-repeat center center/1920px 900px #FAFBFC;
    height: 900px;
}