@media screen and (max-device-width: 1900px) {
    #certify {
        width: 1200px !important;
    }
}

* {
    margin: 0;
    padding: 0;
}

body {
    background-color: rgb(237, 237, 237);
}

body::-webkit-scrollbar {

    display: none
}


.video-banner{
    width: 100%;
}

.logo {
    margin-left: 5%;
    width: 280px;
}

.nav {
    float: right;
    margin-right: 5%;
    /*margin-left: 44%;*/
    width: 44%;
    /*background-color: red;*/
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    line-height: 32px;
}

.nav .item a {
    /*color: #313131 !important;*/
}

a:hover {
    /*height: 60px;*/
    /*padding-bottom:1px;*/
    color: #0079c3 !important;
    /*border-bottom: 2px solid red;*/
}

a:visited {
    /*color: white;*/
    color: #313131;
    text-decoration: none;
}

a {
    text-decoration: none
}

.title {
    height: 71px;
    background-color: white;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* third */
.third {
    display: flex;
    justify-content: center;
    /*justify-content: f;*/
    height: 190px;

    /*width: 46%;*/
    /*margin-left: 27%;*/
    /*background-color: red;*/
    /*min-width: 770px;*/
    /*width: 1025px;*/
    /*min-width: 1025px;*/
    width: 100%;
    /*padding-top: 88px;*/
    /*display: flex;*/
    /*flex-direction: column;*/
    /*justify-content: flex-start;*/
    /*align-items: center;*/

}

.third .third-title {
    width: 92%;
    min-width: 1324px;
}

.third a {
    font-size: 18px;
    color: #313131;
}

.video-detail-wraper {
    display: flex;
    justify-content: center;
}

.video-detail {
    width: 92%;
    min-width: 1324px;
    height: 800px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.video-item {
    width: 26%;
    height: 340px;
    /*background-color: red;*/
}

.item-video video {
    width: 100%;
}

.video-box .video-img-detail {
    margin-left: 35%;
    position: absolute;
    display: block;
    top: 30%;
    bottom: 0;
    z-index: 999;
    background-size: 100% 100%;
    cursor: pointer;
}
.item-content{
    margin-top: 49px;
    font-size: 18px;
	letter-spacing: 2px;
	color: #535353;
    text-align: center;
}
.pagination{
    width: 1226px;
}