body {
    margin: 0;
    font-family: "Microsoft YaHei","Arial","Hiragino Sans GB",Sans-Serif;
    background-color: #f2f2f2;
    line-height: normal;
}
a {
    text-decoration: none;
    color: #666;
}

.container {
    width: 960px;
    margin: auto;
}
.main-position{
    font-size: 12px;
    color: #666;
    height: 60px;
    line-height: 60px;
    background-color: #fff;
    border-bottom: 1px solid #ccc;
    box-sizing: border-box;
}
.main-position .position div {
    margin-left: 20px;
}

.main-content {
    background-color: #fff;
}
.main-content .content-nav .nav-model {
    font-size: 18px;
    color: #666;
    width: 25%;
    height: 60px;
    line-height: 60px;
    text-align: center;
    display: block;
    float: left;
    border-left: 1px solid #ccc;
    box-sizing: border-box;
}
.main-content .content-nav .nav-model div {
    display: inline-block;
}
.main-content .content-nav .nav-model img {
    vertical-align: middle;
    margin-bottom: 3px;
    display: inline;
}
#nav-1 {
    background-color: #333;
}
#nav-1 a {
    color: #dfb66b;
}
.main-content .content-nav {
    border-right: 1px solid #ccc;   
    overflow: hidden;
}
body .main-content .content-nav .nav-model span {
    font-size: 14px;
}

.main-bgimg {
    position: relative;
    width: 100%;
    height: 450px;
    background-image: url(../images/exchange-center/exchange-bg.jpg);
    background-position: center;
    background-repeat: no-repeat;
}
.main-bgimg .exchange-img768 {
    display: none;
}
.beijingyinying {
    display: block;
    width: 100%;
}
.main-bgimg .title {
    position: absolute;
    font-size: 80px;
    color: #fff;
    top: 50%;
    left: 50%;
    text-align: center;
    line-height: 90px;
    margin-top: -90px;
    margin-left: -240px;
}
.main-bgimg .wechat img {
    display: block;
    margin: auto;
    margin-bottom: 10px;
}
.main-bgimg .wechat {
    position: fixed;
    bottom: 0;
    right: 10px;
    z-index: 10;
    width: 140px;
}

.main-propagate {
    background-color: #333;
    padding: 20px 0;
}
.exchange-desc {
    display: inline-block;
    width: 627px;
    font-size: 14px;
    color: white;
    line-height: 25px;
}
.exchange-desc .title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0080F0;
}
.exchange-desc {
    vertical-align: top;
    margin-top: 20px;
    float: right;
}
.wechat .erweima.qrcode {
    display: none;
}

.main-newproducts {
    margin-bottom: 60px;
}
.main-newproducts .title{
    font-size: 36px;
    color: #A9813D;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 50px;
}
.main-newproducts img {
    margin-left: 25px;
}
#products-1 {
    margin-left: 0;
}
.more-products a {
    color: white;
    font-size: 18px;
    height: 34px;
    line-height: 34px;
    background-color: #A9813D;
    width: 170px;
    display: block;
    text-align: center;
    margin: auto;
    margin-top: 45px;
}
.more-products a span {
    font-size: 25px;
    height: 34px;
    line-height: 34px;
    margin-left: 20px;
}
.more-products {
    border-bottom: 1px solid #A9813D;
    margin-bottom: 60px;
    display: none;
}

.eguide .tabs {
    text-align: center;
    overflow: hidden;
    padding-bottom: 30px;
    border-bottom: 2px solid #A9813D;
    margin-bottom: 50px;
}
.eguide .title {
    font-size: 36px;
    color: #A9813D;
    text-align: center;
    margin-bottom: 65px;
}
.eguide .tab {
    float: left;
    position: relative;
    display: inline-block;
    cursor: pointer;
    margin-right: 30px;
    font-size: 0;
}
.eguide .tab.last {
    margin-right: 0;
}
.eguide .mimg {
    display: inline;
}
.eguide .tab .text {
    position: absolute;
    font-size: 28px;
    color: #fff;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    line-height: 28px;
    margin: auto;
    z-index: 9;
}
.eguide .tab .mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    /* background-image: url(../images/exchange-center/toumingbeijing-2.png); */
    background-repeat: no-repeat;
}
.eguide .tab.active .mask {
    background: rgba(0, 0, 0, 0);
    /* background-image: url(../images/exchange-center/toumingbeijing-1.png); */
}
.eguide .tab .arrow {
    display: none;
    position: absolute;
    left: 50%;
    bottom: -30px;
    margin-left: -7px;
    background-image: url(../images/exchange-center/sanjiaojiantou.png);
    background-repeat: no-repeat;
    width: 14px;
    height: 8px;
}
.eguide .tab.active .arrow {
    display: block;
}
.eguide .tab-cont {
    position: relative;
    display: none;
    overflow: hidden;
}
.eguide .tab-cont.active {
    display: block;
}


.eguide .tab1 {
    float: left;
}
.eguide .tab3 {
    float: right;
}
.eguide .tab3 div {
    left: 30px;
}
.experience-desc {
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}
.free-experience {
    display: inline-block;
    vertical-align: top;
    margin-left: 10px;
}
.experience-desc-model .title1 {
    font-size: 26px;
    color: #A9813D;
}
.free-experience .underline {
    width: 42px;
    height: 1px;
    background-color: #ccc;
    margin: 10px 0;
}
.experience-desc-model .desc {
    font-size: 14px;
    color: #666;
    line-height: 25px;
    width: 220px;
}

.right-model {
    position: absolute;
    top: 0;
    right: 0;
    margin-bottom: 20px;
}
.right-model .desc {
    width: 160px;
}
#right-model {
    position: absolute;
    top: 0;
    right: 0;
    margin-bottom: 20px;
}
#right-model .desc {
    width: 160px;
}
.left-model2 {
    margin-top: 15px;
}
#left-model2 {
    margin-top: 15px;
}
.know-more {
    margin-top: 15px;
}
.know-more a {
    font-size: 16px;
    line-height: 34px;
    color: #fff;
    width: 144px;
    height: 34px;
    background-color: #A9813D;
    display: block;
    text-align: center;
}
.services {
    text-align: center;
    margin-top: 20px;
    overflow: hidden;
}
.services .service {
    width: 250px;
    display: inline-block;
}
.services .service span {
    font-size: 26px;
    color: #A9813D;
    display: block;
    margin-top: 15px;
    margin-bottom: 45px;
}
#main .services .service p {
    font-size: 16px;
    color: #666;
    line-height: 25px;
}
#service-1 {
    float: left;
}
#service-3 {
    float: right;
}
.videowrap {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}
.videowrap .videoarea {
    position: fixed;
    width: 100%;
    height: 100%;
}
.videowrap .videoclip {
    max-width: 950px;
    max-height: 575px;
    margin: auto auto;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}
.videocontent {
    width: 100%;
    height: 100%;
}
.btn-video img{
    display: inline;
}
.products img{
    display: inline;
}
.experience-desc-model img{
    display: inline;
}
.service img{
    display: inline;
}

@media (max-width: 1023px) {
    .container {
        width: 708px;
    }
    .main-head .container {
        display: none;
    }
    .main-head .headimg {
        display: block;
        width: 100%;
    }
    .main-bgimg .wechat {
        display: none;
    }
    .main-content .content-nav {
        border-right: none;
    }
    .main-content .container {
        width: 100%;
    }
    .main-content .content-nav .nav-model img {
        display: none;
    }
    .main-bgimg .title {
        font-size: 40px;
        line-height: 50px;
        margin-top: -50px;
        margin-left: -120px;
    }
    .main-propagate .container {
        text-align: center;
    }
    .exchange-desc {
        float: none;
        margin-bottom: 20px;
    }
    .exchange-desc .desc {
        text-align: left;
    }
    .main-newproducts img {
        margin: 0;
        display: block;
        margin: auto;
        margin-top: 50px;
    }
    #products-1 {
        margin-left: auto;
    }
    .eguide .tab img {
        display: none;
    }
    .eguide .tab {
        width: 32.6%;
        height: 90px;
        background-color: #333;
        margin-right: 1.1%
    }
    .eguide .tab.active {
        background-color: #A9813D;
    }
    .eguide .tab .mask {
        display: none;
    }
    .eguide .tab .text {
        color: white;
        left: 20%;
        right: 20%;
    }
    .eguide .tab.last .text {
        height: 56px;
    }
    .eguide .tab div {
        position: static;
        font-size: 28px;
    }
    .eguide .tab1 div {
        color: white;
        line-height: 90px;
    }
    .eguide .tab2 div {
        line-height: 90px;
    }
    .eguide .tab1 {
        background-color: #A9813D;
    }
    .eguide .tab3 div span {
        display: block;
    }
    .eguide .tab3 div {
        margin-top: 5px;
    }
    .experience-desc-model {
        margin-bottom: 40px;
        text-align: center;
    }
    .experience-desc-model div {
        text-align: left;
    }
    .right-model {
        position: static;
    }
    .right-model .desc {
        width: 220px;
    }
    .right-model img {
        width: 210px;
    }
    #right-model {
        position: static;
    }
    #right-model .desc {
        width: 220px;
    }
    #right-model img {
        width: 210px;
    }
    #left-model2 {
        margin-top: 0;
    }
    .left-model2 {
        margin-top: 0;
    }
    .experience-desc {
        margin-bottom: 0;
    }
    .services .service {
        display: block;
        margin: auto;
    }
    .services {
        margin-top: 0;
    }
    #service-1 {
        float: none;
        margin-bottom: 20px;
    }
    #service-3 {
        float: none;
        margin-top: 30px;
    }
}
@media (max-width: 767px) {
    .container {
        width: 100%;
    }
    .main-position {
        border-bottom: none;
    }
    .main-content .content-nav .nav-model {
        width: 50%;
        border-top: 1px solid #ccc;
    }
    .main-bgimg {
        background-image: none;
        height: auto;
    }
    .main-bgimg div {
        display: none;
    }
    .main-bgimg .exchange-img768 {
        display: block;
        width: 100%;
    }
    .exchange-desc {
        width: 300px;
    }
    .experience-desc-model .title1 {
        margin-top: 10px;
    }
    .eguide .tab div {
        font-size: 16px;
    }
    .eguide .tab3 div {
        margin: auto;
        margin-top: 13px;
        width: 75px;
    }
    .experience-img {
        border-bottom: none;
    }
    .eguide .tab .sanjiaojiantou {
        display: none;
    }
    .eguide .tab1 {
        float: none;
    }
    .eguide .tab3 {
        float: none;
    }
    .videowrap .videoclip {
        max-width: 100%;
        max-height: 100%;
        margin: auto auto;
        position: absolute;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
    }
}
@media (max-width: 440px) {
    .main-content .content-nav .nav-model {
        font-size: 16px;
    }
    .eguide .title {
        margin-bottom: 40px;
    }
    .eguide .tabs {
        display: -webkit-flex;
        display: flex;
        flex-direction: row;
        padding: 20px;
        border-bottom: none;
    }
    .eguide .tab {
        flex: 1;
        justify-content: space-between 1;
    }
    .eguide .tab .text {
        font-size: 16px;
    }
    .eguide .tab.last .text {
        line-height: 20px;
        height: 40px;
    }
    .eguide .tab .arrow {
        display: none;
    }
       
}