.banner {
    width: 100%;
    position: relative;
}

.banner .slide-btns {
    position: absolute;
    z-index: 20;
    right: 180px;
    bottom: 5px;
    font-size: 0;
    opacity: 0;
    transition: opacity 300ms;
}

.banner:hover .slide-btns {
    opacity: 1;
}

.banner .slide-btns>span {
    display: inline-block;
    width: 80px;
    line-height: 80px;
    font-size: 28px;
    color: #fff;
    text-align: center;
    cursor: pointer;
}

.banner .slide-btns>span:nth-child(1) {
    background-color: rgba(0, 0, 0, 0.5);
}

.banner .slide-btns>span:nth-child(2) {
    background-color: rgba(255, 0, 0, 0.5);
}

.banner {
    width: 100%;
}

.banner img {
    width: 100%;
    height: 830px;
}

@media screen and (max-width: 960px) {
    .banner img {
        max-height: 415px;
    }
}

@media screen and (max-width: 768px) {
    .banner img {
        max-height: 332px;
    }
}

@media screen and (max-width: 550px) {
    .banner img {
        max-height: 237.76041667px;
    }
}

@media screen and (max-width: 320px) {
    .banner img {
        max-height: 138.33333333px;
    }
}

.enterprise-information {
    background-color: #fff;
    margin-top: -7px;
    width: 100%;
    overflow: hidden;
}

.enterprise-information>div {
    width: 50%;
    height: 580px;
    overflow: hidden;
    float: left;
    position: relative;
    background-color: #000;
}

.enterprise-information>div>img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.enterprise-info {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #fff;
    font-size: 0;
}

.enterprise-info>div:first-child {
    margin-top: 18.22916667%;
    font-size: 0;
}

.enterprise-info>div:first-child i {
    font-size: 90px;
}

.enterprise-info>div:nth-child(2) {
    font-size: 16px;
}

.enterprise-info>div:nth-child(2) p {
    margin: 0;
}

.enterprise-info>div:nth-child(2) p:nth-child(1) {
    margin-top: 1.875%;
    font-size: 30px;
}

.enterprise-info>div:nth-child(2) p:nth-child(2) {
    margin-top: 1.25%;
    font-size: 14px;
}

.enterprise-info>a {
    display: inline-block;
    width: 180px;
    border: 1px solid #fff;
    color: #fff;
    background: none;
    outline: none;
    height: 40px;
    line-height: 40px;
    margin-top: 7.29166667%;
    opacity: 0.5;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}

.enterprise-information-left {
    position: relative;
}

.enterprise-information-left video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: contain;
}

.enterprise-information-right>div {
    padding-left: 10.9375%;
    padding-right: 17.70833333%;
    margin-top: 100px;
    position: absolute;
    z-index: 1;
    width: 100%;
    margin-bottom: 69px;
    text-align: center;
    color: #fff;
    font-size: 0;
    text-align: left;
    color: #000000;
}

.enterprise-information-right>div>p {
    margin: 0;
    font-size: 20px;
}

.enterprise-information-right>div>h5 {
    margin: 0;
    margin-top: 1.875%;
    font-size: 40px;
}

.enterprise-information-right>div>div {
    color: #666;
    font-size: 14px;
    margin-top: 3.125%;
}

.enterprise-information-right>div ul {
    margin: 0;
    margin-top: 8.33333333%;
    padding: 0;
    width: 100%;
    list-style: none;
    overflow: hidden;
}

.enterprise-information-right>div ul>li {
    font-size: 0;
    margin-right: 8.85416667%;
    float: left;
}

.enterprise-information-right>div ul>li span {
    display: block;
    font-size: 58px;
    position: relative;
    font-weight: 500;
}

.enterprise-information-right>div ul>li span::after {
    font-size: 14px;
    position: absolute;
    top: 14px;
    color: #745342;
}

.enterprise-information-right>div ul>li i {
    font-size: 12px;
}

.enterprise-information-right>div ul>li p {
    margin: 0;
    font-size: 16px;
}

.enterprise-information-right>div ul>li:nth-child(1)>span::after {
    content: '年';
}

.enterprise-information-right>div ul>li:nth-child(2)>span::after {
    content: '大';
}

.enterprise-information-right>div ul>li:nth-child(3)>span::after {
    content: '家';
}

.enterprise-information-right>div ul>li:nth-child(4)>span::after {
    content: '城';
}

.enterprise-information-right>div>a {
    width: 180px;
    border: 0;
    color: #fff;
    background: #ff0000;
    outline: none;
    height: 40px;
    line-height: 40px;
    display: inline-block;
    text-decoration: none;
    font-size: 14px;
    margin-top: 6.77083333%;
    cursor: pointer;
    text-align: center;
}

.product-container {
    background-image: url("../images/img-4.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.box-container {
    margin: 0 120px;
}

.product-card-container {
    overflow: hidden;
}

.product-container>div>h5 {
    margin-top: 6.25%;
    margin-bottom: 1.5625%;
    text-align: center;
    font-size: 42px;
}

.product-container>div>p {
    margin: 0;
    margin-bottom: 50px;
    text-align: center;
    color: #444;
    font-size: 18px;
}

.product-list {
    text-align: center;
    font-size: 0;
}

.product-list>ul {
    display: inline-block;
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
    font-size: 0;
}

.product-list>ul li {
    font-size: 0;
    display: inline-block;
    padding-bottom: 20px;
    background-color: #ffffff;
    transition: all 300ms;
    overflow: hidden;
}

.product-list .thumb {
    width: 100%;
    position: relative;
    margin: 0;
}

.product-list .thumb img {
    width: 100%;
    height: auto;
    z-index: 0;
}

.product-list>ul li>div {
    margin-top: 40px;
    margin-bottom: 30px;
    text-align: center;
    font-size: 24px;
    color: #000;
}

.product-list>ul li>p {
    color: #666;
    font-size: 14px;
    padding: 0 35px;
    height: 76px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}

.product-list>ul li:hover>a {
    color: #fff;
    background-color: #ff0000;
}

.product-list>ul li>a {
    display: inline-block;
    width: 155px;
    border: 0;
    /*background-color: #fff;*/
    color: #4d4d4d;
    outline: none;
    height: 36px;
    line-height: 36px;
    text-decoration: none;
    font-size: 14px;
    margin-top: 6.77083333%;
    cursor: pointer;
    transition: all 300ms;
}

.product-list>ul li:hover {
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.15);
}

.product-list>ul li:hover>a {
    opacity: 1;
}

.product-page {
    width: 100%;
    margin-top: 50px;
    margin-bottom: 100px;
    text-align: center;
}

.product-page>div {
    display: inline-block;
    min-width: 300px;
    height: 60px;
    line-height: 60px;
    background-color: #f8f8f8;
    border-radius: 60px;
}

.product-page>div>ul {
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    list-style: none;
    overflow: hidden;
    text-align: center;
    font-size: 0;
}

.product-page>div>ul>li {
    margin-top: 22px;
    display: inline-block;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    background-color: #1f1c1c;
    border: 2px solid #1f1c1c;
    opacity: 0.5;
    margin-left: 15px;
}

.product-item-page .swiper-pagination-bullet {
    vertical-align: middle;
    width: 15px;
    height: 15px;
    background-color: #1f1c1c;
    opacity: 0.5;
    border: 2px solid transparent;
}

.product-item-page .swiper-pagination-bullet:not(:last-child) {
    margin-right: 20px;
}

.product-item-page .swiper-pagination-bullet-active {
    background-color: transparent;
    opacity: 1;
    border-color: #ff0000;
}

.product-page>div b {
    margin-top: 14px;
    width: 32px;
    height: 32px;
    line-height: 32px;
    cursor: pointer;
}

.product-page>div b:first-child {
    float: left;
    margin-left: 24px;
}

.product-page>div b:last-child {
    float: right;
    margin-right: 24px;
}

.product-page>div .active {
    background-color: transparent;
    border: 2px solid #ff0000;
    opacity: 1;
}

.development-history {
    width: 100%;
    height: 520px;
}

.development-history>div {
    float: left;
}

.development-history-left {
    width: 50%;
    height: 100%;
    position: relative;
}

.development-history-left img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    object-fit: cover;
}

.development-history-left-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    padding-left: 16.66666667%;
}

.development-history-left-container>h1 {
    margin: 0;
    margin-top: 12.5%;
    font-size: 32px;
    text-align: left;
}

.development-history-left-container>h2 {
    margin-top: 2.08333333%;
    text-align: center;
    font-size: 16px;
    color: #1f1c1c;
    opacity: 0.6;
}

.development-history-left-container>div {
    margin-top: 2.08333333%;
    text-align: left;
    font-size: 16px;
    color: #1f1c1c;
}

.development-history-left-container>p {
    margin: 0;
    font-size: 16px;
    color: #1f1c1c;
    text-align: left;
    margin-top: 4.16666667%;
}

.development-history-left-container>div {
    margin-top: 4.16666667%;
}

.development-history-right {
    width: 50%;
    height: 100%;
    position: relative;
}

.development-history-right img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    object-fit: cover;
}

.development-history-right-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.development-history-right-container>ul {
    margin: 0 auto;
    width: 100%;
    padding: 0;
    list-style: none;
    overflow: hidden;
}

.development-history-right-container>ul>li {
    float: left;
    height: 520px;
    width: 33.33333333%;
    text-align: center;
    position: relative;
}

.development-history-right-container>ul>li>img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.development-history-right-container>ul>li>div {
    padding-top: 120px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    z-index: 1;
}

.development-history-right-container>ul>li>div>div {
    font-size: 30px;
    color: #ffffff;
    text-align: center;
}

.development-history-right-container>ul>li>div>p {
    font-size: 16px;
    color: #f2f2f2;
    text-align: center;
    opacity: 0.5;
    margin: 0;
    margin-top: 20px;
    margin-bottom: 140px;
}

.development-history-right-container>ul>li>div>span {
    width: 35px;
    height: 35px;
    line-height: 29px;
    text-align: center;
    display: inline-block;
    font-size: 35px;
    border-radius: 50%;
    color: #f2f2f2;
    opacity: 0.5;
    border: 1px solid #f2f2f2;
}

.news {
    width: 100%;
    min-height: 750px;
    background-color: #f2f2f2;
}

.news-container {
    margin: 0 160px;
    overflow: hidden;
}

.new-card {
    float: left;
    margin-top: 118px;
    width: 32%;
    overflow: hidden;
    box-sizing: border-box;
    margin-right: 1%;
}

.new-card:last-child {
    margin-right: 0;
}

.titile {
    width: 100%;
    overflow: hidden;
    margin-bottom: 48px;
}

.titile>span {
    float: left;
    font-size: 32px;
    color: #00000b;
}

.titile>a {
    float: right;
    font-size: 32px;
    color: #666;
    text-decoration: none;
}

.card-body {
    width: 100%;
}


/*.card-body:nth-child(1) {*/


/*margin-right: 60px;*/


/*}*/

.card-body>.thumb {
    width: 100%;
    height: 300px;
    position: relative;
}

.card-body>.thumb img {
    width: auto;
    max-width: none;
    height: 100%;
    z-index: 0;
    margin-left: -10%;
}

.card-body>h1 {
    margin: 0;
    margin-top: 28px;
    margin-bottom: 30px;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #000000;
}

.card-body>p {
    margin: 0;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 26px;
    letter-spacing: 0;
    height: 48px;
    color: #666666;
    margin-bottom: 40px;
    overflow: hidden;
}

.card-body>a {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    vertical-align: top;
    letter-spacing: 0px;
    color: #00000b;
    cursor: pointer;
    text-decoration: none;
}

.new-item {
    width: 100%;
    height: 150px;
    background-color: #ffffff;
    margin-bottom: 10px;
    padding-left: 40px;
    padding-right: 20px;
    overflow: hidden;
}

.new-item>div {
    margin-top: 30px;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #000000;
}

.new-item>p {
    width: 100%;
    margin: 0;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 26px;
    letter-spacing: 0;
    color: #666666;
    overflow: hidden;
}

button.more-btn {
    width: 155px;
    border: 0;
    color: #fff;
    background: #ff0000;
    outline: none;
    height: 36px;
    font-size: 14px;
    margin-top: 6.77083333%;
    cursor: pointer;
    transition: opacity 300ms;
}

.cooperative-partner {
    width: 100%;
    height: 410px;
    background-color: #fff;
    overflow: hidden;
}

.cooperative-partner>h1 {
    width: 100%;
    text-align: center;
    margin-top: 73px;
    margin-bottom: 0;
    font-size: 32px;
    font-weight: normal;
    margin-bottom: 55px;
}

.cooperative-partner-container {
    /*height: 170px;*/
    margin: 0 160px;
    /*padding: ;*/
    overflow: hidden;
    position: relative;
}

.cooperative-partner-container>b {
    position: absolute;
    z-index: 999;
    top: 50%;
    transform: translate(0, -50%);
    cursor: pointer;
    width: 30px;
    height: 100%;
    /*height: 30px;*/
    /*line-height: 30px;*/
    text-align: center;
    background-color: #fff;
}

.cooperative-partner-container>b:nth-child(1) {
    left: 0;
}

.cooperative-partner-container>b:nth-child(2) {
    right: 0;
}

.cooperative-partner-container>ul {
    /*width: 78.125%;*/
    list-style: none;
    padding: 0;
    /*height: 180px;*/
    /*padding: 0 50px;*/
    margin: 0;
}

.cooperative-partner-container>ul>li {
    float: left;
    width: 170px;
    height: 170px;
    text-align: left;
}

.cooperative-partner-container>ul>li>div {
    margin: 0 auto;
    width: 130px;
    height: 130px;
    position: relative;
}

.cooperative-partner-container>ul>li>div>img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    z-index: 0;
    top: 0;
    left: 0;
}

.cooperative-partner-container>ul>li>img {
    width: 170px;
    max-height: 130px;
    object-fit: contain;
}

.cooperative-partner-container>ul>li>p {
    margin: 0;
    text-align: center;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 42px;
    letter-spacing: 0px;
    color: #666666;
}

.banner .swiper-pagination {
    text-align: left !important;
}

.banner .swiper-pagination-bullets {
    bottom: 60px !important;
    padding-left: 160px;
}

.banner .swiper-pagination-bullet {
    width: 16px !important;
    height: 16px !important;
    border: 2px solid #000;
}

.banner .swiper-pagination-bullet-active {
    background: transparent !important;
    border-color: #ff0000;
}

.development-history-list {
    width: 100%;
}

.development-history-list>ul {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

li.development-history-item-active {
    width: 50%;
}

li.development-history-item-active>div {
    background-color: transparent;
}

li.development-history-item-active>div>div {
    display: block;
    text-align: left;
}

li.development-history-item-active>div>h1 {
    padding-left: 160px;
    text-align: left;
}

li.development-history-item-active>div>p {
    padding-left: 160px;
    text-align: left;
}

li.development-history-item-active>div>a {
    display: inline-block;
    float: left;
    margin-left: 160px;
}

li.development-history-item-active .add-btn {
    display: none;
}

.development-history-item {
    width: 16.66666667%;
    transition: all 300ms;
    height: 520px;
    float: left;
    text-align: center;
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.development-history-item-active.development-history-item:nth-child(1)>div>h1 {
    color: #1f1c1c;
    font-weight: normal;
}

.development-history-item-active.development-history-item:nth-child(1)>div>p {
    color: #666;
}

.development-history-item-active.development-history-item:nth-child(1)>div>div {
    color: #1f1c1c;
}

.development-history-item-active.development-history-item:nth-child(2)>div>h1 {
    color: #1f1c1c;
    font-weight: normal;
}

.development-history-item-active.development-history-item:nth-child(2)>div>p {
    color: #666;
}

.development-history-item-active.development-history-item:nth-child(2)>div>div {
    color: #1f1c1c;
}

.development-history-item-active.development-history-item:nth-child(3)>div>div {
    color: #fff;
    text-shadow: 2px 2px 4px #000;
}

.development-history-item>img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.development-history-item>img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.development-history-item:nth-child(1) a {
    /*display: inline-block;*/
}


/*.development-history-item:nth-child(1) {*/


/*background-image: url("../images/development_03.jpg");*/


/*}*/


/*.development-history-item:nth-child(2) {*/


/*background-image: url("../images/development_02.jpg");*/


/*}*/

.development-history-item>div {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    transition: all 300ms;
}

.development-history-item>div>h1 {
    margin-top: 120px;
    font-size: 32px;
    color: #fff;
    font-weight: normal;
}

.development-history-item>div>p {
    margin: 0;
    font-size: 16px;
    color: #f2f2f2;
    opacity: 0.6;
    /*text-shadow: 2px 2px 4px #999;*/
}

.development-history-item>div>div {
    display: none;
    margin-top: 40px;
    margin-bottom: 44px;
    padding: 0 80px;
    padding-left: 160px;
    color: #fff;
    /*text-shadow: 2px 2px 4px #999;*/
}

.development-history-item>div>a {
    display: none;
    width: 153px;
    line-height: 36px;
    color: #fff;
    text-decoration: none;
    background-color: #ff0000;
    /*transition: all 600ms;*/
    opacity: 0;
}

.development-history-item .add-btn {
    display: inline-block;
    margin-top: 135px;
    width: 32px;
    height: 32px;
    background-image: url('../images/add-circle.png');
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}


.news-two {
    background-color: #f2f2f2;
}

.newsLi{overflow:hidden;padding: 0;    padding-top: 30px;
    padding-bottom: 40px;margin:0 -1.5%;}
.newsLi li{float: left;width:29.3%;white-space:nowrap;overflow:hidden;text-overflow: ellipsis;background: url('../images/ly_li.png') no-repeat left center;padding-left:15px;margin:0 1.5%;margin-bottom:15px;}
.newsLi li span{float:right;opacity:.5;margin-left:20px;}
.newsLi li a {color: #666;text-decoration: none;}
.newsLi li a:hover{color:#f10606;}



@media (min-width: 1024px) {}


/*>=1024的设备*/

@media (min-width: 1100px) {}


/*>=1280的设备*/


/*@media (min-width: 1920px) {*/


/*.banner .swiper-pagination-bullets {*/


/*padding-left: 160px*/


/*}*/


/*.new-card {*/


/*margin-right: 60px;*/


/*}*/


/*.card-body {*/


/*width: 450px;*/


/*}*/


/*.card-body > .thumb {*/


/*width: 450px;*/


/*}*/


/*.new-item {*/


/*width: 560px;*/


/*}*/


/*.news-container, .box-container {*/


/*margin: 0 160px;*/


/*}*/


/*li.development-history-item-active > div > a {*/


/*margin-left: 160px;*/


/*}*/


/*li.development-history-item-active > div > h1, li.development-history-item-active > div > p, .development-history-item > div > div {*/


/*padding-left: 160px;*/


/*}*/


/*}*/


/*0.125*/

@media (max-width: 1680px) {
    .banner .swiper-pagination-bullets {
        padding-left: 210px;
    }
    .banner .swiper-pagination-bullets {
        padding-left: 210px
    }
    li.development-history-item-active>div>a {
        margin-left: 210px;
    }
    li.development-history-item-active>div>h1,
    li.development-history-item-active>div>p,
    .development-history-item>div>div {
        padding-left: 210px;
    }
    .banner img {
        height: 756px;
    }
}


/*0.25*/

@media (max-width: 1440px) {
    .banner .swiper-pagination-bullets {
        padding-left: 180px
    }
    .new-item {
        width: 100%;
        margin-bottom: 40px;
    }
    .news-container,
    .box-container {
        /*margin: 0 180px;*/
        margin: 0;
    }
    li.development-history-item-active>div>a {
        margin-left: 180px
    }
    li.development-history-item-active>div>h1,
    li.development-history-item-active>div>p,
    .development-history-item>div>div {
        padding-left: 180px;
    }
    .enterprise-information-right>div ul>li {
        margin-right: 6.854167%;
    }
    .banner img {
        height: 622px;
    }
}


/*>=1280的设备*/


/*0.711*/

@media (max-width: 1366px) {
    .banner .swiper-pagination-bullets {
        padding-left: 100px
    }
    .new-item {
        width: 100%;
        margin-bottom: 40px;
    }
    .news-container,
    .box-container {
        margin: 0;
    }
    li.development-history-item-active>div>a {
        margin-left: 100px;
    }
    li.development-history-item-active>div>h1,
    li.development-history-item-active>div>p,
    .development-history-item>div>div {
        padding-left: 100px;
    }
    .enterprise-information-right>div ul>li {
        margin-right: 6.854167%;
    }
    .banner img {
        height: 590px;
    }
    .info-list-items {
        margin-right: 50px;
    }
    .info-card {
        margin-top: 70px;
        margin-right: 0px;
        float: left;
    }
}


/*>=1100的设备*/


/*0.66*/

@media (max-width: 1280px) {
    .banner .swiper-pagination-bullets {
        padding-left: 80px;
    }
    .new-item {
        width: 100%;
        margin-bottom: 40px;
    }
    .news-container,
    .box-container {
        margin: 0;
    }
    li.development-history-item-active>div>a {
        margin-left: 80px;
    }
    li.development-history-item-active>div>h1,
    li.development-history-item-active>div>p,
    .development-history-item>div>div {
        padding-left: 80px;
    }
    .enterprise-information-right>div ul>li {
        margin-right: 6.854167%;
    }
    .banner img {
        height: 547px;
    }
    .info-list-items {
        margin-right: 20px;
    }
    .info-card {
        margin-top: 70px;
        margin-right: 0px;
        float: left;
    }
}