/* 首页样式 */
img{
    width: 100%;
    height: 100%;
}
.banner{
    width: 100%;
    height: 36.5vw;
}
.banner_content {
    width: 100vw;
    height: 36.5vw;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner_text {
    position:absolute;
    font-size: 2.2917vw;
    color: #fff;
    display: flex;
    flex-flow: row;
    align-items: center;
    z-index: 10;
    letter-spacing: 6px;
}
.left_8vw {
    left: 8vw;
}
.sectionA {
    width: 100%;
    /* height: 50.6771vw; */
    padding: 4.1667vw 14.0625vw;
    background: #fff;
}
.sectionA-title,.mid-title {
    font-size: 1.6667vw;
    color: rgba(52, 52, 52, 1);
    text-align: center;
}
.sectionA-text,.mid-text {
    font-size: 0.8333vw;
    color: rgba(107, 107, 107, 1);
    text-align: center;
    margin-top: 0.625vw;
}
.sectionA-top {
    margin-top: 2.6042vw;
}
.sectionA-top,.sectionA-bottom {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}
.top-item {
    width: 18.9167vw;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}
.top-icon {
    height: 5.2083vw;
    width: 5.2083vw;
}
.ti1 {
    background: url(../assets/ti1.png) no-repeat center center;
    background-size: contain;
}
.ti2 {
    background: url(../assets/ti2.png) no-repeat center center;
    background-size: contain;
}
.ti3 {
    background: url(../assets/ti3.png) no-repeat center center;
    background-size: contain;
}
.top-text {
    font-size: 0.7292vw;
    color: rgba(107, 107, 107, 1);
    text-align: center;
}
.sectionA-img {
    width: 46.875vw;
    height: 33.4896vw;
    text-align: center;
    margin: 2.6042vw auto;
}
.index_bannar {
    background: url(../assets/index_bannar.png) no-repeat center center;
    height: 100%;
    background-size: contain;
}
.sectionA-mid {
    width: 100%;
    margin: 4.1667vw 0 2.0883vw 0;
}
.bottom-item-wrap {
    width: 60.6771vw;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.bottom-item {
    margin-bottom: 2.0833vw;
    width: 28.6458vw;
    height: 23.4375vw;
    background-color: #fcf9f9;
    border-radius: 0.4167vw;
}
.bottom-item .item {
    width: 100%;
    padding: 1.0417vw 1.5625vw;
    border-radius: 0.4167vw;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    cursor: pointer;
}
.bottom-item .item-cover {
    width: 26vw;
    height: 15vw;
    overflow: hidden;
    border-radius: 0.4167vw;
}
.bottom-item .item-cover img{
    transition: all 0.5s;
}
.bottom-item .item-cover img:hover{
    transform: scale(1.2)
}
.bottom-item .item-info {
    margin-top: 1.5625vw;
    font-size: 1.1458vw;
    color: #000;
    width:26vw;
}
.bottom-item .item-text {
    font-size:.7292vw;
    margin-top: 0.5208vw;
}
.sectionB{
    width:100%;
    height:32.5vw;
    background: #F5F5F5;
    padding:4.1667vw 14.0625vw;
}
.sectionB-title{
    width:100%;
    font-size:1.6667vw;
    color:rgba(51,51,51,1);
    text-align: center;
    margin-bottom:2.0833vw;
}
.sectionB-main{
    width:100%;
    height:20vw;
    display:flex;
    align-items:center;
    justify-content: space-between;
}
.sectionB-item{
    width:17.1875vw;
    height:100%;
    background: #fff;
}
.sectionB-item-img{
    height:10.4167vw;
    width:100%;
    background: no-repeat center center;
    background-size: contain;
}
.si1{
    background-image: url(../assets/pe_si1.png);
}
.si2{
    background-image: url(../assets/pe_si2.png);
}
.si3{
    background-image: url(../assets/pe_si3.png);
}
.si4{
    background-image: url(../assets/pe_si4.png);
}
.sectionB-item-text{
    width:100%;
    padding:1.0417vw;
}
.sit-title{
    font-size:1.25vw;
    color:rgba(51,51,51,1);
    margin-bottom:.5729vw;
}
.sit-text{
    font-size:0.6vw;
    color:rgba(107,107,107,1);
    margin-bottom:.2604vw;
}
.hr {
    width: 100%;
    height: 3px;
    background-color: #efefef;
}
.margin_top_3vw {
    margin-top: 3vw;
}
.sectionC{
    width:100%;
    height:49.2188vw;
    padding:4.1667vw 14.0625vw;
    background: #fff;
}
.sectionC-title{
    width:100%;
    font-size:1.6667vw;
    color:rgba(51,51,51,1);
    line-height:44px;
    text-align:center;
    margin-bottom:40px;
}
.sectionC-main{
    width:100%;
    height:36.4583vw;
}
.sectionC-line{
    width:100%;
    height:17.7083vw;
    display:flex;
    align-items:center;
}
.sectionC-line:first-child{
    margin-bottom:1.0417vw;
}
.sectionC-item{
    width:64.1667vw;
    height:17.7083vw;
    background: no-repeat center center ;
    background-size: contain;
    position:relative;
}
.sectionC-item-content{
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    top: 0;
    background: rgba(0,0,0,0.3);
    box-sizing: border-box;
    transition: 0.3s all;
    padding:9.6354vw 1.9792vw 1.7708vw 1.9792vw;
}
.sectionC-item:first-child{
    margin-right:1.0417vw;
}
.sci1{
    background-image: url(../assets/pe_sc1.jpg);
}
.sci2{
    background-image: url(../assets/pe_sc2.png);
}
.sci3{
    background-image: url(../assets/pe_sc3.jpg);
}
.sci4{
    background-image: url(../assets/pe_sc4.png);
}
.sectionC-item-title{
    font-size:2.0833vw;
    color:rgba(255,255,255,1);
    margin-bottom:.625vw;
}
.sectionC-item-text{
    font-size:.88vw;
    color:rgba(255,255,255,1);
}