html{
    background-color: white;
}
body {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: auto;
    margin: 0;
    background: #DEE4E8;
    font-family: "Segoe UI", Microsoft YaHei, Arial, Helvetica, sans-serif;
    color: rgb(0, 0, 0);
    letter-spacing: 0;
    z-index: 1;
}
.backBtn {
    display: none;
}
/* #header {
    padding: 100px 0 64px 0;
    width: 1200px;
    margin: 0 auto;
} */
.tabs-title {
    display: inline-block;
    min-width: 144px;
    height: 100%;
    font-size: 18px;
    text-align: center;
    line-height: 64px;
    color: rgba(0,0,0,0.70);
    cursor: pointer;
}
.title {
    font-size: 40px;
    color: #FFFFFF;
    font-weight: 600;
}
.title-sub {
    font-size: 18px;
    color: #FFFFFF;
    font-weight: 400;
    width: 42%;
}
.container {
    position: absolute;
    width: 1128px;
    left: calc(50% - 564px);
    background-image: linear-gradient(-49deg, #F1F4F8 0%, #FCF5F5 49%, #F7F7F7 110%);
}
.tabs-header{
    width: 100%;
    overflow-x: hidden;
    overflow-y: hidden;
    opacity: 0.7;
    font-size: 40px;
    color: #000000;
    font-weight: 500;
    margin: 125px 0 0 0;
}
.hik_ep{
    text-align: center;
    font-size: 90px;
    color: #000000;
    font-weight: 600;
    margin-top: 16px;
}
.hik_ep_l1{
    color: #D62A1D;
}
.power-version{
    text-align: right;
    opacity: 0.7;
    font-size: 48px;
    color: #000000;
    font-weight: 500;
    margin-top: 12px;
}
.img1{
    position: relative;
    left: 516px;
    width: 389px;
    height: 270px;
    margin-top: 41px;
}
.what-is-new{
    font-size: 48px;
    color: #DC3433;
    font-weight: 400;
    margin-top: 15px;
}
.introduction{
    position: relative;
    margin-top: 60px;
    border-left: 1px dashed #FF7A7A;
}
.red-point{
    position: relative;
    top: -35px;
    left: -9px;
    height: 17px;
    width: 17px;
    border-radius: 50%;
    background-color: #E97C79;
    display: inline-block;
    margin-right: 44px;
}
.explore-more{
    position: relative;
    top: -35px;
    font-size: 44px;
    color: #2D2D2D;
    font-weight: 400;
}
.label-tips{
    display: flex;
    margin-left: 65px;
    width: 696px;
    font-size: 30px;
    color: #000000;
    font-weight: 400;
}
.quickly-access{
    padding-left: 20px;
}
.label-tips2{
    position: relative;
    display: flex;
    margin-left: 65px;
    margin-top: 30px;
    width: 750px;
    font-size: 30px;
    color: #000000;
    font-weight: 400;
}
.easily-get{
    padding-left: 20px;
    width: 600px;
}
.img2{
    position: relative;
    width: 147px;
    height: 183px;
    top: -30px;
    margin-left: 116px;
}
.gain-operational{
    padding-left: 20px;

}
.the-official-release{
    margin-top: 67px;
    font-size: 24px;
    color: #3A3A3A;
    font-weight: 400;    
    width: 550px;
}
.img3{
    position: absolute;
    width: 282px;
    height: 282px;
    top: -96px;
    right: -92px;
    margin-left: 116px;
}
.how-to-update{
    font-size: 48px;
    color: #DC3433;
    font-weight: 400;
    margin-top: 85px;
}
.foot{
    
    display: flex;
    justify-content:space-around;
    align-items:center;
    width: 881px;
    height: 316px;
    background: #ece8e8;
    border: 1px solid #FFFFFF;
    box-shadow: 2px 0 4px 0 rgba(142,90,155,0.00);
    border-radius: 50px;
    margin: 40px auto 20px auto;
}
.hpc-to-ep{
    font-size: 30px;
    color: #000000;
    font-weight: 400;
    width: 425px;
}
.tabs-container {
    padding: 12px 100px;
    height: calc(100% - 64px);
    
}
