@charset "utf-8";

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td,
section,
canvas {
    padding: 0;
    margin: 0;
}

li {
    list-style: none;
}

html,
body {
    font-size: 22px;
    color: #000000;
    font-family: 'Microsoft YaHei';
    background: #222222;
    width: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.hide {
    display: none;
}

.clearboth {
    clear: both
}

.main {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    background: #FFFFFF;
}

.header {
    width: 100%;
    max-width: 1920px;
    height: 78px;
    background: rgba(0, 0, 0, 0.9);
    position: fixed;
    z-index: 2000;
    display: flex;
    justify-content: space-evenly;
}

.logo {
    background: url("../images/logo.png") no-repeat center center;
    width: 152px;
    height: 100%;
    /* padding-left: 20px; */
    float: left;
    /* margin-left: 350px; */
}

.nav {
    float: right;
    height: 100%;
    /* margin-right: 350px; */
}

.nav a {
    display: block;
    font-size: 16px;
    color: #FFFFFF;
    float: left;
    height: 80px;
    line-height: 80px;
    width: 100px;
    text-align: center;
    text-decoration: none;
}

.banner {
    width: 100%;
    padding-top: 78px;
}

.banner img {
    width: 100%;
    display: block;
}

.service {
    background: url("../images/service_bg.png") center center no-repeat;
    background-size: cover;
    padding-bottom: 164px;
    padding-top: 100px;
    /* height: 848px; */
    background-repeat: no-repeat;
}

.serviceicon {
    width: 100%;
    /* margin-top: 50px; */
    /*position: relative;*/
    margin-top: 100px;
}

.serviceicon .sevriceicon_img {
    display: block;
    /* width: 50%; */
    /* height: 50%; */
    margin: 0 auto;
    /*position: relative; top: -100px;*/
}

.itemnav {
    width: 850px;
    margin: 50px auto 0 auto;
    height: 30px;
    position: relative;
}

.itemnav a {
    display: block;
    font-size: 18px;
    color: #969696;
    float: left;
    width: 106px;
    text-align: center;
    text-decoration: none;
    height: 40px;
    margin-bottom: 20px;
    position: relative;
}

.itemnav a.on {
    color: #000;
}

.itemnav a.on::after {
    /* border-bottom: 4px solid #404040; */
    position: absolute;
    bottom: 0;
    left: 0;
    content: "";
    display: block;
    height: 4px;
    width: 100%;
    background-image: linear-gradient(to right, #fac2eb, #a7c1ee);

}

.content {
    width: 90%;
    margin: 20px auto 0 auto;
    padding-top: 50px;
    overflow: hidden;
}

.item {
    margin-left: 0.5%;
    width: 100%;
}

.content .portrait a {
    display: block;
    overflow: hidden;
    box-sizing: border-box;
    width: 19%;
    margin-right: 1%;
    margin-bottom: 1%;
    float: left;
    position: relative;
    border: 1px solid #000;
}

.content .portrait a img {
    width: 100%;
    display: block;
}

.content .portrait a .item_detail {
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    height: 40px;
    background: linear-gradient(to top, rgb(0, 0, 0), rgba(0, 0, 0, 0.4));
    /* background-color: #FFFFFF; */
    /* box-shadow: 0 0px 30px #000; */
    background-position: center;
    background-blend-mode: normal;
    transition: all .3s;
    box-sizing: border-box;
    padding-top: 8px;
    padding-left: 5px;
    transform: translateY(100%);
}

.content .portrait a .item_detail span {
    font-size: 16px;
    color: #FFF;
    display: block;
}

.content .portrait a .item_detail .item_content {
    font-size: 14px;
    display: none;
}



.content .portrait a:hover .item_detail {
    transform: translateY(0%);
}

.content .horizontal a {
    display: block;
    width: 32%;
    margin-right: 1%;
    margin-bottom: 1%;
    float: left;
}

.content .horizontal a img {
    width: 100%;
    display: block;
}

.foot {
    background: url("../images/aboutbg.jpg") no-repeat center top;
    width: 100%;
    height: 774px;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
    color: #FFFFFF;
}

.about {
    width: 60%;
    height: 100px;
    margin: 200px auto 0 auto;
}

.about .title {
    font-size: 30px;
    line-height: 30px;
    width: 24%;
    text-align: center;
}

.about>div {
    float: left;
}

.about .line {
    width: 38%;
    height: 2px;
    background: #FFFFFF;
    margin-top: 16px;
}

.aboutcontent {
    width: 50%;
    font-size: 16px;
    margin: 0 auto;
    text-align: center;
}

.aboutcontent p {
    margin-bottom: 20px;
}

.aboutcontent p:last-child {
    font-size: 26px;
}

.case {
    padding-top: 100px;
}

.more {
    width: 15%;
    height: 5%;
    margin: 80px auto 0 auto;
    display: block;
}

.more img {
    width: 100%;
    height: 100%;
    display: block;
}


.contact {
    font-size: 14px;
    width: 100%;
    max-width: 1920px;
    width: 100%;
    max-width: 1920px;
    height: 80px;
    background: url("../images/contact.png") no-repeat left center;
    position: absolute;
    bottom: 40px;
}

.contact>div {
    position: absolute;
    top: 20px;
}

.contact>div>div:nth-of-type(1) {
    margin-bottom: 5px;
}

.contact>div>div:nth-of-type(2) {
    font-size: 13px;
}

.contact .qr {
    right: 20px;
    top: 0;
    position: absolute;
}

.qrcode {
    float: right;
    display: block;
}

.qrtxt {
    float: right;
    margin-top: 25px;
    margin-right: 10px;
}

.mobile {
    left: 90px;
}

.mail {
    left: 260px;
}

.address {
    left: 520px;
}


.biaoti {
    width: 90%;
    /* height: 60px; */
    margin: 0 auto;
}

.biaoti .title {
    /* font-size: 30px; */
    /* line-height: 30px; */
    /* width: 16%; */
    text-align: center;
    margin: 0 auto;

}

.biaoti>div {
    /* float: left; */
}

.biaoti .line {
    width: 42%;
    height: 2px;
    background: #000000;
    margin-top: 16px;
}

.swiper-pagination-bullet-active {
    background: #FFFFFF;
}

.swiper-pagination-bullet {
    background: #FFFFFF;
}

/* .content a span{ display: none;} */

/*弹出框*/
.popcase {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 20000;
}

.popcasecontent {
    width: 970px;
    height: 551px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -485px;
    margin-top: -350px;
}

.casenav {
    height: 35px;
}

.close {
    background: url("../images/close.png") no-repeat center center;
    background-size: cover;
    width: 35px;
    height: 35px;
    display: block;
    float: right;
}

.casenav .navnav {
    width: 100px;
    height: 100%;
    line-height: 35px;
    font-size: 16px;
    color: #000000;
    background: #FFFFFF;
    border-right: 1px solid #999999;
    float: left;
    text-align: center;
    /*display: block;*/
    text-decoration: none
}

.casenav .navnav.on {
    background: #666666;
    color: #FFFFFF;
}

.casecontent {
    width: 100%;
    height: 546px;
    background: #000000;
    overflow: hidden;
}

.casecontent img {
    max-height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
}

.casecontent-swiper-container {
    height: 100%;
}

.casecontent .caseqrcode {
    height: 50%;
}

.casedesc {
    width: 950px;
    font-size: 14px;
    color: #000000;
    background: #FFFFFF;
    padding: 10px
}

.casedesc dt {
    font-weight: bold;
    font-size: 16px;
}

video {
    max-height: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

/* 合作伙伴 */
.partner {
    width: 100%;
    /* height: 753px; */
    background: url('../images/partner_bg.png')no-repeat center center;
    background-size: cover;
    margin-top: 98px;
    padding-top: 102px;
    padding-bottom: 98px;
    box-sizing: border-box;

    
}

.partner_list {
    width: 100%;
    margin-top: 72px;
    padding-left: 114px;
    padding-right: 114px;
    box-sizing: border-box;
}

.partner_list img {
    width: 100%;
}

.about_us {
    padding-top: 98px;
}

.about_us .about_us_content {
    margin-top: 72px;

}

.about_us .about_us_content img {
    display: block;
    margin: 0 auto;
}

.about_us .map {
    width: 100%;
    margin-top: 165px;
}

.about_us .map img {
    width: 100%;
    display: block;

}

.footer {
    position: relative;
    background: url('../images/bottom.png') center center no-repeat;
    background-size: cover;
    padding-top: 96px;
    box-sizing: border-box;
    padding-bottom: 0;
    font-size: 14px;
    color: #646464;
}

.footer_bg {
    width: 100%;
    display: block;
}

.footer a {
    color: #646464;
    text-decoration: none;
}

.footer .footer_content {
    display: flex;
    justify-content: space-around;
}


.footer .row_1 div {
    margin-bottom: 22px;
}

.footer .row_2 {
    display: flex;
}

.footer .row_4 .title {
    margin-bottom: 15px;
}

.footer .row_5 .icons {
    display: flex;
    margin-bottom: 86px;
}

.footer .row_5 .icons div {
    margin-right: 18px;
}

.footer .row_5 .qrcode {
    display: flex;
    text-align: center;
}

.footer .row_5 .qrcode_img {
    margin-bottom: 12px;
}

.footer .row_5 .qrcode_item {
    margin-right: 46px;
}

.footer dt {
    margin-bottom: 34px;
    color: #FFF;
    font-size: 16px;
}

.footer dd {
    margin-bottom: 32px;
}

.footer dd span {
    font-weight: 900;
    margin-right: 6px;
}

.footer .contact_item {
    padding-left: 34px;
    box-sizing: border-box;

}


.footer .copyright {
    height: 76px;
    border: 1px solid #4a4a4c;
    width: 100%;
    margin-top: 80px;
    text-align: center;
    line-height: 76px;
}