html,
body {
    height: 100%;
    width: 100%;
}
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
    font-size: 14px;
    overflow-x: hidden;
    overflow-y: scroll;
}
a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #474157;
    text-decoration: none;
}
a:hover,
a:focus {
    color: #474157;
}
hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}
hr.light {
    border-color: white;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
    letter-spacing: 1px;
}
p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}
.flex{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}
.justify-between{
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
.justify-center{
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -webkit-justify-content: center;
    -ms-flex-pack: justify;
    justify-content: center;
}
.align-center{
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.flex-wrap{
    -webkit-box-lines: multiple;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
}

#banner{
    width: 100%;
    height: 36.1111vw;
}
#banner img{
    width: 100vw;
    height: 36.1111vw;
}
.product{
    padding: 2.963vh 6.9444vw 0;
}
.product .item_title{
    font-size: 1.6667vw;
    text-align: center;
}
.product .list{
    padding-top: 2.963vh;
    font-size: 1.6667vw;
}
.product .list .li{
    width: 32%;
    margin-bottom: 2.963vh;
    margin-right: 2%;
    padding-bottom: 2.2222vh;
    text-align: left;
    box-shadow: 0px 2px 4px -2px rgba(0,0,0,0.1), 0px 4px 6px -1px rgba(0,0,0,0.1);
    border-radius: 12px;
    display: block;
}
.product .list .li:nth-child(3n+3){
    margin-right: 0;
}
.product .list .li .image{
    width: 100%;
    height: 20.7876vw;
    display: block;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}
.product .list .li .image img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.product .list .li:hover .image img{
    transform: scale(1.2); /*鼠标悬停时放大1.2倍*/
}
.product .list .li .title{
    font-size: 1.3889vw;
    padding: 1.6667vw 1.6667vw 8px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.product .list .li .subtitle{
    padding: 0 1.6667vw 0;
    font-size: 1.1111vw;
    color: #5F6C7E;
    display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;overflow: hidden;
    text-align: justify;
    min-height: 3vw;
    box-sizing: border-box;
}
.product .list .li .go{
    padding: 1.4815vh 1.6667vw 0;
    font-size: 1.1111vw;
    color: #2563EB;
}
.product .list .li .go img{
    width: 0.9722vw;
    display: inline-block;
    margin-left: 0.6944vw;
}
.aboutus{
    padding: 2.963vh 6.9444vw 0;
    font-size: 1.1111vw;
}
.aboutus .title{
    font-size: 1.6667vw;
}
.aboutus .p1{
    margin-top: 2.2222vh;
    color: #5F6C7E;
    text-align: justify;
}
.aboutus .p2{
    margin-top: 2.2222vh;
    color: #5F6C7E;
    text-align: justify;
}
.aboutus .go{
    margin-top: 3.8194vw;
    color: #FFFFFF;
    width: 8.8889vw;
    line-height: 3.3333vw;
    background: #2563EB;
    border-radius: 4px 4px 4px 4px;
    text-align: center;
    cursor: pointer;
    font-size: 1.1111vw;
}
.aboutus .go span{
    display: inline-block;
    transition: transform 0.5s ease; /*添加过渡效果*/
}
.aboutus .go:hover span{
    transform: scale(1.2); /*鼠标悬停时放大1.2倍*/
}
.aboutus .image{
    width: 41.6667vw;
    margin-left: 3.0556vw;
}
.service{
    padding: 9.25vh 6.9444vw 0;
}
.service .li{
    width: 26.7vw;
    margin-right: 2.2222vw;
    padding-bottom: 2.2222vh;
    text-align: left;
    box-shadow: 0px 2px 4px -2px rgba(0,0,0,0.1), 0px 4px 6px -1px rgba(0,0,0,0.1);
    border-radius: 12px;
}
.service .li:nth-child(3n+3){
    margin-right: 0;
}
.service .li .image{
    width: 100%;
    height: 12.9782vw;
    display: block;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}
.service .li .image img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.service .li:hover .image img{
    transform: scale(1.2); /*鼠标悬停时放大1.2倍*/
}
.service .li .title{
    font-size: 1.3889vw;
    padding: 1.6667vw 1.6667vw 8px;
}
.service .li .subtitle{
    padding: 0 1.6667vw 0;
    font-size: 1.1111vw;
    color: #5F6C7E;
    display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;overflow: hidden;
    text-align: justify;
    min-height: 3vw;
    box-sizing: border-box;
}