*{
    margin: 0px;
    padding: 0px;
    list-style: none;
}
.title{
    width: 100vw;
    height: 65px;
    border-bottom: 1px solid #e5e5e5;
}
.title nav{
    float: right;
}
.title nav ul{
    display: flex;
    height: 65px;
    line-height: 65px;
    margin-right: 40px;
}
.title nav ul li{
    width: 120px;
    text-align: center;
    font-weight: 500;
}
.title nav ul li a:hover{
    color: #6DC2A4;
}
.title nav ul li a{
    color: #717171;
    text-decoration: none;
}
#logo{
    position: absolute;
    margin-top: 3px;
    margin-left: 50px;
}
.title_list{
    color: #6DC2A4;
}
.mian_img img{
    width: 100vw;
    margin-bottom: 100px;
}
.main_jiating{
    width: 100vw;
    height: 600px;
    /* background-color: blue; */
}
.main_neirong{
    width: 1100px;
    height: 300px;
    /* background-color: brown; */
    margin: 0 auto;
}
.clea{
    width: 168px;
    height: 2px;
    background-color: #6DC3A4;
}
.main_neirong h2{
    margin-top: 10px;
    position: absolute;
}
.main_right{
    /* background-color: chartreuse; */
    width: 100px;
    float: right;
    margin-top: 15px;
    display: flex;
    margin-right: -15px;
}
.main_right img{
    height: 22px;
    margin-left: 5px;
}
.main_neirong ul{
    display: flex;
    margin-top: 60px;
}
.main_neirong ul li{
    position: relative;
    width: 340px;
}
.main_neirong ul li:not(:first-child){
    margin-left: 40px;
}
.li_bt img{
    width: 100%;
}
.li_up{
    position: absolute;
    left: 0px;
    top: 0px;
    height: 98%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.464);
    text-align: center;
    opacity: 0;
}
.li_up:hover{
    opacity: 1;
}
.li_up img{
    width: 60px;
    height: 60px;
    margin: 0 auto;
    margin-top: 90px;
}
.main_mingjia{
    width: 100vw;
    height: 800px;
    padding-top: 70px;
    margin-top: -150px;
    background-color: #F7F7F7;
}
.li_bt p{
    position: absolute;
    width: 330px;
    height: 35px;
    font-size: 14px;
    padding-left: 10px;
    line-height: 35px;
    margin-top: -4px;
    background-color: #ffffff;
}
.bottom_title{
    width: 100vw;
    height: 120px;
    background-color: #3d3d3d;
}
.bottom_title{
    text-align: center;
    color: #C5C5C5;
    font-size: 14px;
}
.bottom_title p:first-child{
    line-height: 40px;
    letter-spacing:2px;
}