*{    margin: 0;    padding: 0;    text-align: justify;}a {    color: #333333;    text-decoration: none;}a:hover {    color: #000;}ul, li {    list-style: none;    padding: 0;    margin: 0;}html{        width: 100%;    }body {    width: 100%;    margin: 0;    padding: 0;    font-size: 0.3rem;    background-color: #fdfdfb;    font-family: '微软雅黑';}.navh{    height: 1.2rem;}.nav{    width: 100%;    height: 1.2rem;    position: fixed;    bottom: 0;    left: 0;    background-color: #F6F6F6;    box-sizing: border-box;    padding-left: 0.5rem;    padding-right: 0.5rem;    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.1);}.nav_li{    float: left;    width: 33.33%;    text-align: center;    padding-top: 0.22rem;    font-size: 0.22rem;    color: #888888;}.nav_li a{    color: #888888;}.nav_li span{    width: 0.45rem;    height: 0.45rem;    background-position: center center;    background-size: auto 0.45rem;/*    display: block;*/    margin-left: auto;margin-right: auto;    display: none;    margin-bottom: 0.06rem;}.nav_li span:nth-child(1){    display: block;}.nav_li span:nth-child(2){    display: none;}.nav_li.on span:nth-child(2){    display: block;}.nav_li.on span:nth-child(1){    display: none;}.nav_li.on a{    color: #01AC9A;}/*客服弹窗*/.service{    width: 1rem;    height: 1rem;    background-color: rgba(240, 187, 54, 0.9);    position: fixed;    z-index: 9;    bottom:1.7rem;    right:0.5rem;    border-radius: 50%;    box-shadow: 0px 0px 0.3rem 0px rgba(0,0,0,0.15);}.service img{    width: 0.48rem;    height: 0.5rem;    display: block;    margin-left: auto;margin-right: auto;    margin-top: 0.25rem;}.huibg{    width: 100%;    height: 100vh;    z-index: 10;    position: fixed;    top:0;    left:0;    background-color: rgba(0,0,0,0.5);    display: none;}.servicek{    position: fixed;    z-index: 11;    width: 5.5rem;    height: 5.9rem;    background: rgba(246, 246, 246, 1);    border-radius: 0.3rem;    top:50%;    left:50%;    margin-left: -2.75rem;    margin-top: -2.95rem;    display: none;}.close{    width: 0.7rem;    height: 0.7rem;    background: rgba(246, 246, 246, 1);    border-radius: 50%;    position: fixed;    top:50%;    left:50%;    margin-top: 3.3rem;    margin-left: -0.35rem;    z-index: 11;    cursor: pointer;    display: none;}.close img{    width: 0.3rem;    height: 0.3rem;    margin-top: 0.18rem;    display: block;    margin-left: auto;margin-right: auto;}.servicek h1{    font-size: 0.34rem;    font-weight: bold;    color: #000000;    line-height: 1rem;    padding-top: 0.15rem;    text-align: center;}.ewm{    width: 3rem;    height: 3rem;    margin-left: auto;margin-right: auto;    overflow: hidden;}.ewm img{    width: 100%;    height: 100%;    display: block;}.ewm_tips{    font-size: 0.22rem;    font-weight: 400;    color: #333333;    line-height: 0.5rem;    margin-bottom: 0.2rem;    text-align: center;}.service_btn{    width: 100%;    height: auto;    overflow: hidden;    box-sizing: border-box;    padding-left: 0.82rem;}.btn3{    float: left;    width: 1.76rem;    height: 0.7rem;    line-height: 0.7rem;    color: #fff;    text-align: center;    background: rgba(237, 68, 1, 1);    border-radius: 0.1rem;    font-size: 0.28rem;    font-weight: 400;    margin-right: 0.34rem;}.btn3 a{    color: #fff;}.bgblue{    background-color: rgba(1, 158, 237, 1);}