.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, .col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm, .col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md, .col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg, .col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl, .col-xl-auto {
    position: relative;
    width: 100%;
    min-height: 1px;
    padding-right: 15px;
    padding-left: 15px;
}
.youshik {
    width: 1400px;
    height: 145px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    clear: both;
}
.youshik .youshi {
    height: 210px;
    position: absolute;
    left: 0px;
    top: -110px;
    z-index: 20;
    background-color: #ffffff;
    box-shadow: 3px 3px 2px #888888;
}
.yss {
    background-color: #b40e02;
    color: #FFFFFF;
}
.yss .kt {
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: white;
}
.ys .kt {
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #ce0000;
}
.yss .kc {
    line-height: 20px;
    height: 60px;
    overflow: hidden;
    padding-left: 10px;
    padding-right: 10px;
    color: #ffffff;
    font-size: 12px;
}
.ys .kc {
    line-height: 20px;
    height: 60px;
    padding-left: 10px;
    padding-right: 10px;
    color: #6f6f6f;
    font-size: 12px;
}
.index_productCase {
    margin: 0 auto;
    padding: 0;
    background: #f7f7f7;
}
.container-fluid, .container {
    padding: 0;
    overflow: hidden;
}
.container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}
*, *::before, *::after {
    box-sizing: border-box;
}
.about {
    width: 1200px;
    margin: auto;
    overflow: hidden;
    margin-top: 100px;
}
.over {
    overflow: hidden;
    margin-bottom: 30px;
}
.about-nr .ts-color {
    font-size: 26px;
    color: #9d9d9d;
    margin-bottom: 5px;
    text-align: center;
}
.about-nr {
    font-size: 30px;
    color: #bf2e27;
    text-align: center;
    margin-bottom: 20px;
    float: left;
    width: 750px;
    line-height: 30px;
    text-align: justify;
    height: 100%;
}
.about-nr span{
    font-size: 18px;
    color: #333;
}
.about-fr{
    width: 250px;
    float: right;
    /* border: 1px solid #000; */
    height: 250px;
    margin-right: 50px;
    margin-top: 30px;
}
.about-fr .swiper-container .swiper-slide img{
    width: 100%;
    height: 100%;
}
.index_productCase > div, .index_productCase > div > div {
    padding: 0;
    margin: 0;
}
.row {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}
.index_title {
    text-align: center;
    padding: 40px 0 10px 0 !important;
}
.col-12 {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}
.projectCase_nav {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

.projectCase_nav_item {
    width: 150px;
    margin: 0 1%;
    display: inline-block;
    vertical-align: middle;
    padding: 15px 0;
    background: #f2f2f2;
    font-size: 16px;
    color: #000;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all .3s;
}
.ac {
    background: #CCCCCC;
    color: #FFFFFF;
}
.col-xl-12 {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}
.col-xl-3 {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
}
.index_productCase .index_productCase_img {
    position: relative;
    margin-bottom: 10px;
    background-size: 100% 100%;
    background-position: center center;
    overflow: hidden;
}
.index_productCase .index_productCase_img a {
    opacity: 0;
}
.index_productCase .index_productCase_img > a {
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.35);
    text-align: center;
}
.z_transition050 {
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
}
.z_center {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.index_productCase .index_productCase_img:hover > a {
    opacity: 1;
}
.index_productCase .index_productCase_img > a > div > p:nth-of-type(1) {
    font-size: 16px;
    color: #ffffff;
    max-height: 26px;
    margin-bottom: 8px;
}
.index_productCase .index_productCase_img > a > div > p {
    padding: 0 40px;
}
.index_productCase .index_productCase_img > a > div > p:nth-of-type(2) {
    max-height: inherit;
}
.index_productCase .index_productCase_img > a > div > p:nth-of-type(2) {
    font-size: 14px;
    color: #ffffff;
    margin-bottom: 5px;
    max-height: 19px;
    text-align: center;
}
.index_productCase .index_productCase_img .bottomposition {
    position: absolute;
    width: 100%;
    left: 0;
    right: 0;
    margin: auto;
    padding: 10px 0;
    background: rgba(0,0,0,.5);
    bottom: 0;
    text-align: center;
}
.index_productCase .index_productCase_img .bottomposition a {
    color: #fff;
    font-size: 14px;
    display: block;
    width: 100%;
    height: 100%;
    opacity: 1;
}
.index_productCase .more {
    padding: 45px 0;
    text-align: center;
    background: #ededed;
}
.index_productCase .more a {
    background: #CCCCCC;
    font-size: 17px;
    color: #fff;
    padding: 15px 25%;
    border: 1px solid #CCCCCC;
}
.z_transition050 {
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
}
.index_productCase .more:hover a {
    background: #fff;
    color: #CCCCCC;
}
.z_hidden {
    display: none;
}
.index-customer {
    margin: 0 auto;
    padding: 0;
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: 0 0;
    background-color: #fff;
}
.index-customer .swiper-slide-customer img {
    width: 100%;
    border: 1px solid #CCCCCC;
}
.index-customer {
    margin: 0 auto;
    padding: 0;
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: 0 0;
    background-color: #fff;
}
.img_yd{
    /* border: 1px solid gray; */
    margin-left: 13%;
}
.index-advantage {
    margin: 0 auto;
    padding: 0;
}
.col-xl-2 {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 16.666667%;
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
}
.index-advantage .left {
    padding-left: 37px;
}
.index-advantage .left li {
    font-size: 18px;
    color: #ffffff;
    margin: 20px 0;
    cursor: pointer;
    position: relative;
}
.index-advantage .left .active p {
    color: #CCCCCC !important;
    margin-left: -10px;
}
.index-advantage .left li:nth-of-type(1) p svg {
    transform: scale(1.2);
}
.index-advantage .left li p svg {
    float: right;
    margin-left: 3px;
}
svg:not(:root) {
    overflow: hidden;
}
.index-advantage .left li div {
    position: absolute;
    width: 0px;
    height: 2px;
    background: #CCCCCC;
    top: 50%;
    right: 120%;
}
.index-advantage .left .active div {
    width: 500px;
}
.col-xl-10 {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 83.333333%;
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
}
.index-advantage .right li > div {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-size: cover;
}
.index-advantage .right li > div > div {
    width: 100%;
    height: 100%;
}
.index-advantage .right li > div > div > div {
    margin-right: 97px;
}
.index-advantage .right li > div > div > div {
    width: 80%;
}
.index-advantage .right li img {
    width: 100%;
}
.index-advantage .right li > div > div > div > h2 {
    font-size: 30px;
    color: #fff;
    border-bottom: 3px solid #CCCCCC;
    padding-bottom: 5px;
}
.index-advantage .right li > div > div > div > div {
    border: 1px dashed #a0a0a0;
    margin-top: 20px;
    padding: 30px;
}
.index-advantage .right li > div > div > div > div p {
    font-size: 18px;
    color: #fff;
    line-height: 2;
}
.index-advantage .right .active {
    display: block;
}
.index-advantage .right li {
    display: none;
    position: relative;
}
.index-process {
    margin: 0;
    padding: 0;
}
.index-process .ul {
    margin: 15px auto;
    border-top: 1px solid #c1c1c1;
    border-left: 1px solid #c1c1c1;
    width: 95%;
}
.index-process .ul .li {
    position: relative;
    border-right: 1px solid #c1c1c1;
    border-bottom: 1px solid #c1c1c1;
    padding-left: 0;
    padding-right: 0;
}
.index-process .ul .li > div:nth-of-type(1) {
    text-align: center;
}
.index-process .ul .li > div:nth-of-type(1) img {
    width: 55px;
}
.index-process .ul .li > div:nth-of-type(1) p {
    font-size: 15px;
    color: #666666;
    padding-top: 15px;
}
.index-process .ul .li > div:nth-of-type(2) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.index-process .ul .li > div:nth-of-type(2) > div {
    width: 100%;
    height: 100%;
}
.index-process .ul .li > div:nth-of-type(2) > div .t1 {
    font-size: 15px;
    color: #000;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 10px;
}
.index-process .ul .li > div:nth-of-type(2) > div .t2 {
    font-size: 13px;
    color: #000;
    padding: 0 20px;
    line-height: 1.55;
}
.index-process .ul .li:hover > div:nth-of-type(2) {
    display: inherit;
    background-color: #CCCCCC;
}
@media screen and (min-width:300px) and (max-width:330px){
    html {
        overflow-y: scroll;
      }
      
      :root {
        overflow-y: auto;
        overflow-x: hidden;
      }
      
      :root body {
        position: absolute;
      }
      
      body {
        width: 100vw;
        overflow: hidden;
      }
    .projectCase_nav_item{
        width: 110px;
        margin-top: 10px;
    }
    .about{
        width: 100%;
    }
    .about-nr{
        width: 100%;
    }
    .about .about-fr{
        margin-right: 34px;
    }
    .about-fr .swiper-container .swiper-slide img{
        width: 100%;
        height: 100%;
    }
}

@media screen and (min-width:300px) and (max-width:600px){
    html {
        overflow-y: scroll;
      }
      
      :root {
        overflow-y: auto;
        overflow-x: hidden;
      }
      
      :root body {
        position: absolute;
      }
      
      body {
        width: 100vw;
        overflow: hidden;
      }
    .youshik {
        display: none;
    }
    #list2 .col-xl-3{
        max-width: 100%;
    }
    .index-advantage .left {
        padding-left: 54px;
    }
    .index-advantage div:nth-child(2){
        height: 435px;  
    }
    .index-advantage .left li {
        display: none;
    }
    .index-advantage .right li > div > div {
        width: 100%;
        height: auto;
    }
    .index-advantage .right li > div > div > div > h2 {
        margin-top: 20px;
    }
    .index-advantage .right li > div > div > div > div {
        margin-top: 30px;
        padding: 5px;
        height: 321px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .index-advantage .right li > div > div > div > div p {
        font-size: 14px;
    }
    .index-advantage .right li > div > div > div {
        width: 93%;
        margin-right: 0px!important;
    }
    .index-process .ul .col-xl-2{
        flex: 0 0 50%;
        max-width: 50%;
    }
    .about{
        width: 100%;
    }
    .about-nr{
        width: 100%;
    }
    .about-fr{
        margin-right: 55px;
        height: 371px;
    }
    .about-fr .swiper-container .swiper-slide img{
        width: 100%;
        height: 100%;
    }
    .left_tc1{
        display: none;
    }
    #newBridge{
        display: none!important;
    }
    #z-order .wp{
        display: none;
    }
    .OnlineService_Bg{
        display: none!important;
    }
}
@media screen and (min-width:700px) and (max-width:800px){
    html {
        overflow-y: scroll;
      }
      
      :root {
        overflow-y: auto;
        overflow-x: hidden;
      }
      
      :root body {
        position: absolute;
      }
      
      body {
        width: 100vw;
        overflow: hidden;
      }
    .youshik {
        display: none;
    }
    #list1 .col-xl-3{
        max-width: 50%;
    }
    .index-advantage .right li > div > div {
        width: 100%;
        height: auto;
    }
    .index-advantage .right li > div > div > div {
        width: 95%;
        margin-right: 0;
    }
    .index-advantage .right li > div > div > div > div p {
        line-height: 1.8;
    }
    .index-process .ul .col-xl-2{
        flex: 0 0 26.666667%;
        max-width: 24.666667%;
    }
    .index-advantage .left li {
        display: none;
    }
    .index-advantage .row:nth-child(2){
        height: 445px;  
    }
    .about{
        width: 100%;
    }
    .about-nr{
        width: 100%;
    }
    .about-fr{
        margin-right: 250px;
        
    }
    .about-fr .swiper-container .swiper-slide img{
        width: 100%;
        height: 100%;
    }
    .left_tc1{
        display: none;
    }
    #newBridge{
        display: none!important;
    }
    #z-order .wp{
        display: none;
    }
    .OnlineService_Bg{
        display: none!important;
    }
}
@media screen and (min-width:400px) and (max-width:430px){
    .about-fr{
        margin-right: 82px;
    }
    .about-fr .swiper-container .swiper-slide img{
        width: 100%;
        height: 100%;
    }
}
@media screen and (min-width:1000px) and (max-width:1300px){
    html {
        overflow-y: scroll;
      }
      
      :root {
        overflow-y: auto;
        overflow-x: hidden;
      }
      
      :root body {
        position: absolute;
      }
      
      body {
        width: 100vw;
        overflow: hidden;
      }
    .youshik{
        display: none;
    }
    #list1 .col-xl-3{
        flex: 0 0 33%;
        max-width: 33%;
    }
    .index-advantage .row:nth-child(2){
        height: 445px;  
    }
    .index-advantage .right li > div > div {
        width: 100%;
        height: auto;
    }
    .about{
        width: 100%;
    }
    .about-nr{
        width: 100%;
    }
    .about-fr{
        height: 365px;
        margin-right: 380px;
    }
}