html,body{
    width:100%;
    height:100%;
}
.hide {
	display: none;
}
.nav {
	width: 100%;
}
.nav_wrap {
	width: 1200px;
	height: 100px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.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(270deg,rgba(255,91,91,1),rgba(248,3,72,1));
	color: #fff !important;
}
.footer {
	width: 100%;
	height: 80px;
    text-align: center;
}
.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: #000;
}
.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;
}

.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: #F9F9F9;
    box-sizing: border-box;
    padding: 50px 42px;
}
.cnt_title {
    font-size:30px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:#222;
    line-height: 30px;
    letter-spacing: 0;
    text-align: left;
    margin: 0;
    margin-bottom: 13px;
}
.cnt_line {
    background:linear-gradient(270deg,rgba(255,91,91,1),rgba(248,3,72,1));
    width: 120px;
    height: 5px;
    border: 0px;
    margin: 0;
}
.cnt_list {
    padding-top: 13px;
    margin:0;
    font-family: PingFang-SC-Regular;
    font-size: 14px;
    color: #35393f;
    letter-spacing: 0;
    text-align: justify;
    line-height: 25px;
    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;
}