html, body {
    width: 100%;
    height: 100%;
}
.container{
    width: 100%;
    height: 100%;
    /*background-color: #F3F3F3;*/
    position: relative;
}
.nav {
    width: 100%;
    /*box-shadow:0px 6px 7px 0px rgba(0, 0, 0, 0.04);*/
    background: #fff;

}
.nav_wrap {
    width: 1200px;
    height: 110px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
}
.nav ul {
    list-style: none;
}
.nav ul li {
    float: left;
}
.nav ul li a {
    width: 100px;
    height: 36px;
    font-size: 16px;
    font-family: MicrosoftYaHei;
    font-weight: 400;
    color: #000;
    line-height: 36px;
    padding: 0 10px;
    border-radius: 18px;
    display: block;
    text-align: center;
    margin-left: 20px;
    text-decoration: none;
}
.active {
    background:linear-gradient(90deg,rgba(132, 0, 255, 1),rgba(207, 0, 255, 1));
    color:#fff!important;
}

.hide{
    display: none;
}

.content{
    width: 1200px;
    height: 520px;
    position: absolute;
    transform: translateX(-50%) translateY(-35%);
    top: 45%;
    left: 50%;
}

.cnt_left{
    width: 600px;
    height: 520px;
    float: left;
}
.cnt_left img{
    width:100%;
    height:100%;
}
.cnt_right{
    width: 600px;
    height: 520px;
    float: right;
    background: #F3F3F3;
    padding-left: 42px;
    padding-right: 42px;
    box-sizing: border-box;
}
.cnt_title {
    font-size:30px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:#222;
    line-height: 30px;
    letter-spacing: 0;
    text-align: left;
    margin-top: 63px;
}
.cnt_line {
    background:linear-gradient(90deg,rgba(132, 0, 255, 1),rgba(207, 0, 255, 1));
    width: 120px;
    height: 3px;
    border: 0px;
    margin-top: 26px;
    margin:0;
}

.cnt_list {
    padding:0;
    margin:0;
    font-family: PingFang-SC-Regular;
    font-size: 14px;
    color: #35393f;
    letter-spacing: 0;
    text-align: justify;
    line-height: 25px;
    margin-top: 26px;
    list-style: none;
}
.cnt_list span{
    font-size: 16px;
    line-height:34px;
}
.cnt_list .dt {
    font-weight: bold;
    color:#222;
}
.cnt_list .dd {
    font-weight: 300;
    color:#666;
}

.footer {
    margin-top:-1px;
    width: 100%;
    height: 80px;
    text-align: center;
    position: absolute;
    bottom:0
}
.footer span {
    line-height: 80px;
    text-align: center;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    padding-top:20px;
    font-size:14px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(102,102,102,1);
}

.down{
    position:fixed;
    top:0;
    width:100%;
    height:100%;
    z-index: 999;
    background-color: rgba(0, 0, 0, .5);
}

.down_wrap{
    width:460px;
    height:514px;
    background: #fff;
    position:absolute;
    left:50%;
    top:50%;
    border-radius: 8px;
    transform: translate(-50%,-50%);
    display: flex;
    align-items: center;
    flex-direction: column;

}
.down p{
    margin:0
}

.down_wrap img:first-of-type{
    margin:76px 0 25px 0;
}
.down_wrap img:last-of-type{
    position: absolute;
    bottom:-80px;
    cursor: pointer;
}

.down_wrap p{
    font-size:26px;
    font-weight:400;
    color:rgba(0,0,0,1);
    margin-top:26px;
}
.down_wrap p:last-of-type{
    font-size:22px;
}