.video_wz {
    position: absolute;
    width: 600px;
    top: 297px;
    left: 50%;
    /* right: 200px; */
    /* margin-top: -217px; */
    margin-left: -314px;
}
.img img{
  display:block;
}
.sb_Content{
    width:1200px;
    margin:auto;
}
.Seek{
    margin: 30px auto 60px auto;
     }
.Seek a{
    display: block;
    width: 658px;
    background:#0C97EE;
    margin: auto;
    line-height: 66px;
    border-radius: 12px;
    text-align: center;
    font-size: 28px;
    color: #fff;
    letter-spacing: 2px;
}
.sb_Bma{
    margin-top:70px;
}
.sb_Bma small{
     text-indent:2em;
    display: block;
    font-size: 24px;

    margin: 8px auto;
}

h1,h2,h3,h4{
    font-weight: bold;
    font-size: 48px;
    text-align: center;
    color: #333333;
    /* margin-bottom: 20px; */
    letter-spacing: 2px;
    /* line-height: 138px; */
    padding: 11px 0;
}
 .flex{
     display: -webkit-flex;
     display: flex;
     justify-content: space-between;
     padding: 20px 0;
     flex-wrap:wrap;

}
 .flex li{
     padding: 3px 1px;
 }