.clearfix::after {
    content: " ";
    display: block;
    clear  : both
}

.main-wrap {
    max-width  : 1920px;
    min-width  : 1200px;
    margin     : 0 auto;
    font-family: MicrosoftYaHeiUI
}

header {
    position: relative
}

header .logo-header {
    position   : absolute;
    top        : 0;
    left       : 50%;
    margin-left: -63px;
    z-index    : 10
}

.welcome {
    height          : 38px;
    line-height     : 38px;
    background-color: #1c1b21
}

.welcome>div {
    float     : left;
    width     : 50%;
    text-align: center
}

.welcome span,
.welcome a {
    font-size: 12px;
    color    : #c0c0c0
}

.welcome .mark {
    margin-left: 25px
}

nav {
    height     : 122px;
    line-height: 122px;
    width      : 1200px;
    margin     : 0 auto
}

nav li {
    float     : left;
    font-size : 16px;
    width     : 15%;
    text-align: center
}

nav li.special {
    margin-right: 10%
}

nav li a {
    color: #333333
}

nav li a.active {
    color: #3156a2;
}

.slideshow {
    width   : 100%;
    overflow: hidden
}

.slideshow .img-list {
    width   : 200%;
    position: relative;
    left    : 0
}

.slideshow .img-list .img-box {
    width   : 50%;
    height  : 100%;
    float   : left;
    overflow: hidden
}

.slideshow .img-list .img-box img {
    position   : relative;
    top        : 0;
    left       : 50%;
    margin-left: -960px
}

.slideshow .dot-list {
    position  : absolute;
    width     : 100%;
    text-align: center;
    left      : 0;
    bottom    : 77px
}

.slideshow .dot-list .dot {
    width        : 22px;
    height       : 22px;
    border       : solid 2px #ffffff;
    border-radius: 50%;
    display      : inline-block;
    margin       : 0 22px;
    cursor       : pointer
}

.slideshow .dot-list .dot.active {
    background-color: #fff
}

footer {
    background-color: #333237;
    padding         : 42px 0
}

footer .content {
    width : 1200px;
    margin: 0 auto
}

footer .content>div {
    float: left
}

footer .content .logo-box {
    width     : 186px;
    margin-top: 45px
}

footer .content .logo-box img {
    width: 115px
}

footer .content .logo-box h4 {
    width     : 115px;
    text-align: center;
    font-size : 16px;
    color     : #fff;
    margin-top: 16px
}

footer .content .line {
    width     : 1px;
    height    : 234px;
    background: #fff;
    background: linear-gradient(#333237, #ababab, #333237)
}

footer .content .contact {
    width      : 939px;
    font-size  : 16px;
    color      : #9d9d9d;
    margin-left: 69px
}

footer .content .contact strong {
    font-size: 16px;
    color    : #ffffff
}

footer .content .contact h4 {
    border-bottom : 1px solid #27262a;
    padding-bottom: 19px;
    margin-top    : 22px
}

footer .content .contact h4 strong {
    margin-right: 12px
}

footer .content .contact .detail {
    border-top : 1px solid #414044;
    padding-top: 15px;
    line-height: 38px
}

footer .content .contact .detail>div {
    float: left
}

footer .content .contact .detail .first {
    margin-right: 84px
}

main .content {
    width : 1200px;
    margin: 0 auto
}

main .content .title-wrap {
    padding      : 70px 0 40px 420px;
    border-bottom: 1px dashed #3059a2
}

main .content .title-wrap h2 {
    font-size  : 32px;
    color      : #000000;
    font-weight: bold
}

main .content .title-wrap .title * {
    float: left
}

main .content .title-wrap .title h2 {
    margin-top: 10px
}

main .content .title-wrap .dot {
    width        : 10px;
    height       : 10px;
    border       : solid 2px #d30000;
    border-radius: 50%;
    margin       : 0 18px;
    margin-top   : 28px
}

main .content .title-wrap p {
    font-size : 18px;
    color     : #303030;
    margin-top: 25px
}

main .product .button-wrap {
    text-align: center;
    margin    : 66px 0 50px 0
}

main .product .button-wrap button {
    width           : 222px;
    height          : 56px;
    background-color: #ffffff;
    border-radius   : 28px;
    border          : solid 1px #e70012;
    font-size       : 20px;
    color           : #e70012;
    margin          : 0 105px;
    cursor          : pointer
}

main .product .button-wrap button.active {
    background-color: #e70012;
    border-radius   : 28px;
    color           : #fff
}

main .product .product-items {
    margin-bottom: 63px;
    height       : 634px;
    overflow     : hidden
}

main .product .product-items .product-list {
    position: relative;
    top     : 0
}

main .product .product-items .product-list>div {
    width        : 364px;
    height       : 275px;
    background   : #f7faff;
    float        : left;
    margin-bottom: 42px
}

main .product .product-items .product-list>div .img-box {
    width     : 177px;
    height    : 177px;
    margin    : 0 auto;
    position  : relative;
    text-align: center;
    margin-top: 32px
}

main .product .product-items .product-list>div .img-box img {
    width : 100%;
    height: 100%
}

main .product .product-items .product-list>div .img-box img.active {
    position: absolute;
    top     : 0;
    left    : 0;
    opacity : 0
}

main .product .product-items .product-list>div .img-box img.active:hover {
    opacity: 1
}

main .product .product-items .product-list>div .img-box p {
    font-size : 16px;
    color     : #000000;
    margin-top: 12px
}

main .product .product-items .middle {
    margin: 0 54px
}

main .customer {
    background-color: #f7faff
}

main .customer .customer-items {
    margin-top: 66px
}

main .customer .customer-items .slideshow2 {
    width   : 822px;
    overflow: hidden;
    float   : left
}

main .customer .customer-items .img-list {
    width   : 200%;
    overflow: hidden;
    position: relative;
    left    : 0
}

main .customer .customer-items .img-box {
    width: 50%;
    float: left
}

main .customer .customer-items .small-img {
    width        : 389px;
    height       : 257px;
    float        : left;
    margin-right : 22px;
    margin-bottom: 24px;
    text-align   : center
}

main .customer .customer-items .small-img div {
    width           : 190px;
    background-color: #3059a2;
    opacity         : .93;
    display         : inline-block;
    color           : #fff;
    font-size       : 18px;
    line-height     : 24px;
    padding         : 8px 0;
    margin-top      : 100px
}

main .customer .customer-items .big-img {
    width           : 378px;
    height          : 538px;
    background-color: rebeccapurple;
    float           : right
}

main .customer .customer-items .dot-list {
    width     : 100%;
    float     : left;
    text-align: center;
    margin    : 18px 0 56px 0
}

main .customer .customer-items .dot-list .dot {
    width        : 22px;
    height       : 22px;
    border       : solid 2px #3156a2;
    border-radius: 50%;
    display      : inline-block;
    margin       : 0 22px;
    cursor       : pointer
}

main .customer .customer-items .dot-list .dot.active {
    background-color: #3156a2
}

main .about {
    position: relative
}

main .about .content {
    position  : relative;
    z-index   : 100;
    background: #fff
}

main .about .company-intro>div {
    height    : 690px;
    float     : left;
    margin-top: 65px
}

main .about .company-intro .text {
    box-sizing: border-box;
    width     : 480px;
    padding   : 120px 100px 0 100px
}

main .about .company-intro .text img {
    display: block;
    margin : 0 auto
}

main .about .company-intro .text p {
    margin-top : 46px;
    font-size  : 16px;
    line-height: 25px
}

main .about .company-intro .text p strong {
    font-size  : 28px;
    color      : #3156a2;
    font-weight: bold
}

main .about .company-intro .text a {
    display      : inline-block;
    width        : 192px;
    height       : 56px;
    line-height  : 56px;
    text-align   : center;
    border-radius: 28px;
    border       : solid 2px #3156a2;
    background   : #fff;
    margin-top   : 44px;
    font-size    : 16px;
    color        : #3156a2;
    font-weight  : 600
}

main .about .company-intro .text a:hover {
    color           : #fff;
    background-color: #3156a2;
}

main .about .company-intro .pic {
    width: 720px
}

main .about .company-intro .pic img {
    width : 100%;
    height: 100%
}

main .about .bg {
    width           : 100%;
    height          : 375px;
    background-color: #3156a2;
    position        : absolute;
    bottom          : 0
}

main .partner {
    background-color: #f7f6f9
}

main .partner .partner-items {
    padding-top   : 66px;
    padding-bottom: 80px
}

main .partner .partner-items li {
    float        : left;
    margin-right : 35px;
    margin-bottom: 25px
}

main .partner .partner-items li.last {
    margin-right: 0
}

main .partner .partner-items li img {
    width : 212px;
    height: 84px
}