@charset "UTF-8";

body{
    color: #000;
    margin: auto;
    font-family: Microsoft YaHei,PingFang SC,Arial, sans-serif, Helvetica Neue, Helvetica,Hiragino Sans GB;
}

ul{
    margin: 0;
    padding: 0;
    list-style-type: none;
}

p{
    margin: 0;
    padding: 0;
}

a{
    color: #333;
    text-decoration:none
}

a,a:hover,a:active,a:visited,a:link,a:focus{
    -webkit-tap-highlight-color:rgba(0,0,0,0);
    -webkit-tap-highlight-color: transparent;
    outline:none;
    background: none;
    text-decoration: none;
}






.top_box{
    width: 100%;
    height: 80px;
    padding: 20px 5%;
    box-sizing: border-box;
    background-color: #eee;
    display: flex;
    justify-content: space-between;
    /* align-items: center; */
}

.logo{
    width: 50%;
    text-align: left;
    /* margin-left: 6%; */
    display: flex;
    justify-content: flex-start;
    align-items: center;
}
.logo img{
    width: 50%;
}
.service{
    width: 40%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.service>img{
    width: 12%;
}
.service_phone{
    font-size: 16px;
    font-weight: 500;
    color: #333333;
    white-space: nowrap;
}
.service_phone>a{
    color: #333;
    text-decoration:none
}

.appear_piece{
    width: 10%;
    text-align: right;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.appear_piece>img{
    width: 60%;
}
.switchover_box_beijing{
    width: 100vw;
    height: 100vh;
    background-color: rgba(47, 47, 47,0.7);
    position: fixed;
    left: 0vw;
    top: 0;
    z-index: 18;
    display: none;
}

.switchover_box{
    width: 100vw;
    height: 100vh;
    /* background-color: rgba(47, 47, 47,0.7); */
    position: fixed;
    left: 100vw;
    top: 0;
    z-index: 20;
    display: none;
}

.page_headline{
    width: 60%;
    height: 100vh;
    float: right;
    background-color: #fff;
}
.headline_li{
    width: 80%;
    font-size: 18px;
    font-weight: 700;
    padding: 20px 0;
    margin-left: 20%;
    opacity: 0.7;
}

.header_san{
    border: 1px solid red;
}

.headline_fu_li{
    width: 80%;
    font-size: 18px;
    font-weight: 700;
    padding: 20px 0;
    margin-left: 20%;
    opacity: 0.7;

    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.li_1{
    /* width: 40%; */
    /* border: 1px solid; */
    margin-right: 5%;
}
.li_2{
    /* width: 60%; */
    /* border: 1px solid; */
}

.li_2>.li_down{
    width: 23%;
}
.li_2>.li_up{
    width: 23%;
}

.headline_son_li{
    width: 70%;
    font-size: 16px;
    font-weight: 500;
    margin-left: 30%;
}
.headline_son_li:not(:nth-child(2)) {
	display:none;
}
.headline_son_li>div{
    padding: 6px 0px;
}