@charset "UTF-8";


/* 后加 */
.index-product-link {
    display: block;
    width: 150px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 0 auto;
    border: 1px solid #666666;
    color: #666666;
    border-radius: 5px;
    margin-bottom: 30px;
}

.index-product-link:hover {
    color: #17375e;
}



/*base*/
body {
    background-color: #fff;
}

.subtitle-base,
.product-left>h3, .product-left>p, .product-option>p {
    font-family: 'MicrosoftYaHei';
}

.title-base {
    text-align: center;
    font-family: "Arial-Bold";
    font-size: 43px;
    color: #3f3f3f;
}

.title-base>span {
    font-size: 56px;
    color: #17375e;
}

.subtitle-base {
    text-align: center;
    font-size: 30px;
    color: #3f3f3f;
}


/*banner*/

#index-swiper{
    position: relative;
    overflow: hidden;
}
#index-swiper .swiper-slide img{
    width: 100%;
}
#index-swiper-page{
    bottom: 25px;
}
#index-swiper-page .swiper-pagination-bullet{
    width: 40px;
    height: 1px;
    border: 1px solid #fff;
    transition: all 400ms;
    opacity: 1;
    margin: 0 8px;
    background-color: rgba(0,0,0,0);
    border-radius: 0;
}
#index-swiper-page .swiper-pagination-bullet-active{
    height: 5px;
}


/*product*/
.product-box {
    margin: 104px 0 90px;
    background-color: rgba(23, 55, 94, 0.05);
    overflow: hidden;
    position: relative;
}

.product-title {
    margin-top: 50px;
}

.swiper-container {
    margin: 0 192px;
}

.product-content {
    display: flex;
    justify-content: space-between;
    width: 70%;
}

.product-top {
    padding-top: 88px;
}

.product-left {
    width: 420px;
}

.product-left>h3 {
    width: 14em;
    font-size: 30px;
    color: #17375e;
    margin-top: 55px;
    overflow: hidden;
    /* text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1; */
    white-space: nowrap;
    word-wrap: break-word;
}

.product-left>p {
    font-size: 16px;
    line-height: 28px;
    color: #666666;
    margin: 52px 0 97px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.product-left>a {
    width: 160px;
    height: 50px;
    border: solid 1px #666666;
    font-family: MicrosoftYaHei;
    font-size: 14px;
    color: #666666;
    padding: 18px 47px;
}

.product-right {
    width: 518px;
    height: 441px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-right>img {
    max-height: 100%;
}

.product-thumbs {
    padding: 74px 0 58px;
    position: relative;
}

.product-option>img {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    max-width: 110px;
    height: 59px;

}

.product-option {
    cursor: pointer;
}

.product-option>p {
    font-size: 14px;
    line-height: 53px;
    color: #666666;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.product-next, .product-prev {
    width: 14px;
    height: 26px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.product-prev {
    left: 0;
    background: url("../../images/index/next.png");
}

.product-next {
    right: 0;
    background: url("../../images/index/prev.png");
}

.product-bg-box {
    width: 874px;
    height: 302px;
    /* background: url("../../images/index/product-bg.png") no-repeat; */
    background-size: 100% 100%;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-47%);
}

.product-bg-box>div {
    height: 100%;
    padding-left: 233px;
    padding-right: 65px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.product-bg-box>div>div>div {
    width: 76px;
    height: 75px;
    margin: 0 auto;
}

.product-bg-box p {
    margin-top: 19px;
    width: 168px;
    font-family: MicrosoftYaHei;
    font-size: 14px;
    line-height: 24px;
    color: #666;
}

.swiper-slide-thumb-active p {
    color: #17375e;
}



/*行业应用*/
/* .industry-box {
    padding-bottom: 84px;
} */

.industry {
    margin-top: 57px;
    display: flex;
    justify-content: space-between;
}

.industry-left {
    width: 624px;
    height: 627px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% 100%;
    display: flex;
    justify-content: center;
    cursor: pointer;
}

.industry-right>div,
.industry-left>div {
    opacity: 0;
    transition: all 500ms;
    -moz-transition: all 500ms;
    /* Firefox 4 */
    -webkit-transition: all 500ms;
    /* Safari 和 Chrome */
    -o-transition: all 500ms;
    /* Opera */
}

.industry-right:hover>div,
.industry-left:hover>div,
.industry-center>div:nth-of-type(1):hover p,
.industry-center>div:nth-of-type(2):hover p,
.industry-center>div:nth-of-type(1):hover h4,
.industry-center>div:nth-of-type(2):hover h4 {
    opacity: 1;
}

.industry-right h4,
.industry-left h4 {
    width: 100%;
    font-family: MicrosoftYaHei;
    font-size: 30px;
    color: #ffffff;
    margin: 0 0 40px;
    text-align: center;
}

.industry-right>div>p,
.industry-left>div>p {
    width: 479px;
    font-family: MicrosoftYaHei;
    font-size: 16px;
    line-height: 28px;
    color: #ffffff;
}

.industry-center>div:nth-of-type(1) {
    position: relative;
    width: 628px;
    height: 305px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    cursor: pointer;
}

.industry-center>div:nth-of-type(2) {
    position: relative;
    width: 628px;
    height: 305px;
    margin-top: 17px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    cursor: pointer;
}

.industry-right {
    position: relative;
    width: 624px;
    height: 627px;
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
    background-size: 100% 100%;
    display: flex;
    justify-content: center;
    cursor: pointer;
}

.hy-font-center>h4 {
    width: 100%;
    font-family: MicrosoftYaHei;
    font-size: 30px;
    color: #ffffff;
    padding: 0 0 10px;
    text-align: center;
    opacity: 0;
}

.hy-font-center>p {
    /* position: absolute;
    right:39px;
    bottom: 22px;
    font-size: 30px;
    color: #ffffff; */
    width: 479px;
    font-family: MicrosoftYaHei;
    font-size: 16px;
    line-height: 28px;
    color: #ffffff;
    opacity: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
}

.hy-font-center>p,
.hy-font-center>h4,
.industry-right,
.industry-left,
.industry-center>div:nth-of-type(1),
.industry-center>div:nth-of-type(2) {
    transition: all 500ms;
    -moz-transition: all 500ms;
    -webkit-transition: all 500ms;
    -o-transition: all 500ms;
}

.industry-right:hover,
.industry-left:hover,
.industry-center>div:nth-of-type(1):hover,
.industry-center>div:nth-of-type(2):hover {
    background-size: 120% 120%;
}


/*关于德龙*/
.about-box {
    overflow: hidden;
}

.about-box>div {
    display: flex;
}

.about-box>div>div:nth-of-type(1) {
    height: 633px;
}

.about-font {
    flex: 1;
    margin-left: 191px;
}

.about-title {
    margin: 101px 0 0 0;
}

.about-title, .about-subtitle {
    text-align: left;
}

.about-content {
    margin: 120px 0 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.about-font>a {
    display: block;
    width: 160px;
    height: 50px;
    border: solid 1px #666666;
    font-family: MicrosoftYaHei;
    font-size: 14px;
    color: #666666;
    padding: 11px 42px;
}

.about-img {
    position: relative;
    width: 958px;
    height: 528px;
    margin: 116px 0 0 60px;
    box-shadow: -14px 14px 57px 0px rgba(28, 27, 28, 0.22);
}

.about-img>img {
    width: 100%;
    height: 100%;
}

.about-img::before {
    content: '';
    width: 511px;
    height: 544px;
    background-color: #17375e;
    opacity: 0.05;
    position: absolute;
    top: -72px;
    left: -257px;
    z-index: -1;
}


/*咨询动态*/
.news-box {
    padding: 80px 0;
}

.news {
    /* padding: 47px 192px 0; */
    padding: 47px 0 0;
    max-width: 1527px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.news-item, .news-item h5, .news-item p {
    transition: all 800ms;
    -moz-transition: all 800ms;
    /* Firefox 4 */
    -webkit-transition: all 800ms;
    /* Safari 和 Chrome */
    -o-transition: all 800ms;
    /* Opera */
}

.news-item {
    width: 494px;
    border: solid 1px #e4e4e4;
}

.news-item h5 {
    padding: 20px 23px 0;
    font-family: MicrosoftYaHei;
    font-size: 16px;
    line-height: 30px;
    color: #333333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-item p {
    font-family: MicrosoftYaHei;
    font-size: 14px;
    line-height: 24px;
    color: #999999;
    padding: 0 23px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.news-item img {
    width: 100%;
    height: 331px;
}

.news-item a:nth-of-type(2) {
    font-family: MicrosoftYaHei;
    font-size: 14px;
    line-height: 70px;
    color: #17375e;
    padding-left: 23px;
}

/*底部链接*/
.link-box {
    /* padding: 0 192px 80px; */
    width: 1527px;
    margin: 0 auto;
    padding-bottom: 80px;
    display: flex;
    justify-content: space-between;
}

.link-box>a {
    display: block;
}

.link-items {
    width: 378px;
    height: 174px;
    position: relative;
    top: 0;
    transition: all 300ms;
    -moz-transition: all 300ms;
    /* Firefox 4 */
    -webkit-transition: all 300ms;
    /* Safari 和 Chrome */
    -o-transition: all 300ms;
    /* Opera */
}

.link-items:hover {
    top: -6px;
    box-shadow: 0 5px 8px 3px rgba(23, 55, 94, 0.4);
}

.link-box>a:nth-of-type(1)>div {
    background: url("../../images/index/link1-bg.png") no-repeat;
    background-size: 100% 100%;
}

.link-box>a:nth-of-type(2)>div {
    background: url("../../images/index/link2-bg.png") no-repeat;
    background-size: 100% 100%;
}

.link-box>a:nth-of-type(4)>div {
    background: url("../../images/index/link3-bg.png") no-repeat;
    background-size: 100% 100%;
}

.link-box>a:nth-of-type(3)>div {
    background: url("../../images/index/link4-bg.png") no-repeat;
    background-size: 100% 100%;
}

.link-items {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.link-items>img {
    width: 53px;
    height: 53px;
}

.link-items>div {
    padding-left: 10px;
}

.link-items>div>h4 {
    font-family: MicrosoftYaHei;
    font-size: 28px;
    line-height: 40px;
    color: #ffffff;
    margin: 0;
}

.link-items>div>p {
    font-family: ArialMT;
    font-size: 14px;
    color: #ffffff;
}
.link-items>div>p>span{
    font-size: 18px;
}


/*响应式配置*/
@media (max-width:1880px) {

    /*资讯动态*/
    .news-item {
        width: 33%;
    }

    .product-bg-box>div {
        padding-right: 20px;
    }

    /*行业应用*/
    .industry-left, .industry-right, .industry-center {
        width: 33%;
    }

    .industry-center>div:nth-of-type(1), .industry-center>div:nth-of-type(2) {
        width: 100%;
    }

    .hy-font-center>p,
    .industry-right>div>p,
    .industry-left>div>p {
        width: 100%;
        padding: 0 15px;
        font-size: 14px;
    }

    .hy-font-center>h4,
    .industry-right h4,
    .industry-left h4 {
        font-size: 28px;
    }
}

@media (max-width:1770px) {

    /* product */
    .product-right {
        width: 450px;
    }

    .product-content {
        padding-right: 40px;
    }
}

@media (max-width:1680px) {

    /*product*/
    .product-bg-box {
        top: 48%;
    }

    .product-top .swiper-slide {
        padding-bottom: 50px;
    }

    .product-bg-box>div {
        padding-right: 0;
        padding-left: 0;
        margin-left: 266px;
        justify-content: center;
    }

    .product-bg-box>div>div:nth-of-type(2) {
        margin: 0 20px;
    }

    .swiper-container {
        margin: 0 80px;
    }

    .product-content {
        padding-right: 50px;
    }


    /* 资讯动态 */
    /* .news-item img {
        height: 250px;
    } */

    /*底部链接*/
    .link-box>a {
        width: 25%;
        padding: 0 5px;
    }

    .link-items {
        width: 100%;
    }
}

@media (max-width:1599px) {

    /*product*/
    .swiper-slide {
        padding-bottom: 0;
    }

    .swiper-container {
        margin: 0 40px;
    }

    .product-content {
        width: 62%;
        padding-right: 0;
    }

    .product-left {
        width: 47%;
    }

    .product-right {
        width: 50%;
    }

    .product-bg-box {
        height: 266px;
    }

    /* 资讯动态 */
    /* .news-item img {
        height: 210px;
    } */
}

@media(max-width:1565px) {
    .link-box,
    .news {
        max-width: 93%;
    }
}

@media (max-width:1477px) {

    /*关于德龙*/
    .about-content {
        margin: 40px 0 60px;
    }

    .about-font {
        margin-left: 100px;
    }

    .about-img {
        width: 657px;
        height: 370px;
    }

    /*product*/
    .product-content {
        width: 100%;
        top: 0;
    }

    .product-left {
        width: 50%;
    }

    .product-right {
        width: 38%;
    }

    .product-bg-box {
        display: none;
    }

    .product-left>p {
        margin: 52px 0 60px;
    }

    /* 资讯动态 */
    .news-item img {
        height: auto;
    }

    

}

@media (max-width:1300px) {
    /*底部链接*/
    .link-box {
        flex-wrap: wrap;
    }

    .link-box>a {
        width: calc(50% - 5px);
        padding: 5px 0;
    }
}

@media (max-width:1199px) {

    /*base*/

    .subtitle-base {
        font-size: 24px;
    }

    /*banner*/
    #index-swiper-page{
        bottom: 15px;
    }
    #index-swiper-page .swiper-pagination-bullet{
        width: 33px;
    }

    /*product*/
    .product-box {
        margin: 0;
    }

    .product-bg-box {
        display: block;
        width: 100%;
        position: relative;
        top: 0;
        transform: none;
    }

    .product-bg-box>div {
        padding: 0;
        margin: 0;
    }

    .product-content {
        justify-content: center;
        flex-wrap: wrap;
    }

    .product-top {
        padding: 0;
    }

    .swiper-container {
        margin: 0;
    }

    .product-content {
        width: 100%;
    }

    .product-left {
        width: 100%;
        padding: 25px;
        position: relative;
    }

    .product-left>h3 {
        width: auto;
        font-size: 24px;
        text-align: center;
        margin-top: 20px;
    }

    .product-left>p {
        margin: 40px 0 75px;
    }

    .product-left>a {
        padding: 11px 30px;
        position: absolute;
        left: 50%;
        bottom: 20px;
        transform: translateX(-50%);
        text-align: center;
    }

    .product-right {
        width: 50%;
        height: auto;
        margin-top: 10px;
    }

    /*行业应用*/
    .industry {
        margin-top: 35px;
        flex-wrap: wrap;
    }

    .industry-box>h3 {
        margin-top: 60px;
    }

    .industry-center>div:nth-of-type(1),
    .industry-center>div:nth-of-type(2),
    .industry-left, .industry-right {
        background-size: cover;
        background-position: center center;
    }

    .industry-right:hover,
    .industry-left:hover,
    .industry-center>div:nth-of-type(1):hover,
    .industry-center>div:nth-of-type(2):hover {
        background-size: cover;
    }

    .industry-center>div:nth-of-type(2) {
        margin-top: 7px;
    }

    .industry-center>div:nth-of-type(1),
    .industry-center>div:nth-of-type(2) {
        height: 310px;
    }


    /*关于德龙*/
    .about-box>div {
        display: block;
    }

    .about-box>div>div:nth-of-type(1) {
        display: none;
    }

    .about-title, .about-subtitle {
        text-align: center;
    }

    .about-title {
        margin: 0;
    }

    .about-content {
        margin: 60px 0;
    }

    .about-font {
        margin: 0 25px;
    }

    .about-font>a {
        margin: 0 auto;
    }

    .about-img {
        width: 100%;
        height: auto;
        margin: 116px 0 0;
    }

    /*资讯动态*/
    .news {
        /* padding: 40px 25px 0; */
        padding: 40px 0 0;
    }

    /*底部链接*/
    .link-box {
        padding-bottom: 60px;
    }

    .link-items {
        width: 100%;
        height: 145px;
    }

    .link-items>img {
        width: 38px;
        height: 38px;
    }

    .link-items>div>h4 {
        font-size: 22px;
    }


}

@media (max-width:990px) {
    .title-base {
        font-size: 36px;
    }
    .title-base>span{
        font-size: 43px;
    }
    /*product*/
    .product-bg-box {
        background-position: 0 0;
    }

    .product-top .swiper-slide {
        padding-bottom: 0;
    }

    /*行业应用*/
    /* .industry-left p{
        padding-bottom: 200px;
    } */
    .industry {
        flex-wrap: wrap;
    }

    .industry-left, .industry-right, .industry-center {
        width: 100%;
        height: auto;
    }

    .industry-right,
    .industry-center {
        margin-top: 10px;
    }

    .industry-center>div:nth-of-type(1), .industry-center>div:nth-of-type(2) {
        height: auto;
        min-height: 250px;
    }

    .industry-center>div:nth-of-type(2) {
        margin-top: 10px;
    }

    .industry-right h4, .industry-left h4 {
        margin: 0 0 10px;
    }

    .industry-center>div:nth-of-type(1)>h4, .industry-center>div:nth-of-type(2)>h4 {
        padding: 0 0 10px;
    }

    /*资讯动态*/
    .news-box {
        padding: 40px 0 0;
    }

    .news {
        flex-wrap: wrap;
        /* padding: 30px 10px; */
        padding: 30px 0;
    }

    .news-item {
        width: 100%;
        margin-bottom: 20px;
    }

    .news-item>a>img {
        width: 100%;
    }
}

@media (max-width:767px) {

    /*banner*/
    #index-swiper-page {
        bottom: 8px;
    }

    /*product*/
    .product-left>a {
        width: 130px;
        height: 45px;
        line-height: 45px;
        text-align: center;
        padding: 0;
    }

    .product-title {
        margin-top: 40px;
    }

    .title-base {
        font-size: 22px;
    }

    .title-base>span {
        font-size: 28px;
    }

    .subtitle-base {
        font-size: 18px;
    }

    .product-left {
        padding: 10px;
    }

    .product-left>h3 {
        font-size: 18px;
        margin-top: 10px;
    }

    .product-left>p {
        font-size: 14px;
        margin: 30px 0 75px;
    }

    .product-bg-box>div {
        flex-wrap: wrap;
    }

    .product-bg-box {
        height: auto;
        padding: 30px 0;
        background-position: center center;
        background-size: cover;
    }

    .product-thumbs {
        margin: 25px 0 30px;
        padding: 0;
    }

    .product-bg-box>div>div>div {
        width: 64px;
        height: 64px;
        margin: 0 auto;
    }

    .product-bg-box>div>div:nth-of-type(2) {
        margin: 0;
    }

    .product-bg-box p {
        margin-top: 10px;
        margin-bottom: 15px;
        width: 100%;
        padding: 0 20px;
        text-align: center;
    }

    /*行业应用*/
    .hy-font-center>p {
        display: block;
    }

    .hy-font-center>h4, .industry-right h4, .industry-left h4 {
        font-size: 22px;
    }

    .industry-box>h3 {
        margin-top: 40px;
    }

    /* .industry-box {
        padding-bottom: 40px;
    } */


    /*关于德龙*/
    .about-font {
        margin: 0 10px;
    }

    .about-img::before {
        width: 374px;
        height: 349px;
    }

    .about-content {
        margin: 20px 0 10px;
    }

    .about-font>a {
        width: 130px;
        height: 45px;
        line-height: 45px;
        padding: 0;
        text-align: center;
    }

    .about-img {
        margin-top: 30px;
    }


    /*底部链接*/
    .link-box>a {
        width: 100%;
    }

    .link-items {
        height: 125px;
    }

    .link-items>div>h4 {
        font-size: 18px;
        line-height: 28px;
    }

    .link-box {
        padding-bottom:40px;
    }

}

@media (max-width: 321px) {

    /*product*/
    .product-bg-box {
        height: 520px;
    }
}



/* 后加 */
.hy-font {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    transition: all 500ms;
    background-color: rgba(0, 0, 0, 0.4);
    opacity: 0;
}

.hy-font:hover {
    opacity: 1;
}

.industry-right,
.industry-left,
.industry-center>div {
    position: relative;
}

.industry-right>.hy-rg-title,
.industry-left>.hy-rg-title,
.industry-center>div>.hy-rg-title {
    position: absolute;
    right: 39px;
    bottom: 27px;
    font-family: MicrosoftYaHei;
    font-size: 30px;
    line-height: 1;
    color: #ffffff;
    opacity: 1;
    visibility: visible;
    transition: all 500ms;
    -moz-transition: all 500ms;
    -webkit-transition: all 500ms;
    -o-transition: all 500ms;
}

.industry-right:hover>.hy-rg-title,
.industry-left:hover>.hy-rg-title,
.industry-center>div:hover>.hy-rg-title {
    opacity: 0 !important;
    visibility: hidden;
}

@media (max-width:1200px) {

    .industry-right>.hy-rg-title,
    .industry-left>.hy-rg-title,
    .industry-center>div>.hy-rg-title {
        right: 28px;
        bottom: 22px;
        font-size: 24px;
    }
}

@media (max-width: 990px) {
    .hy-font {
        height: auto;
        min-height: 250px;
        padding: 40px 0;
    }
}

@media (max-width: 767px) {
    .hy-font {
        padding: 30px 0;
    }

    .industry-right>.hy-rg-title,
    .industry-left>.hy-rg-title,
    .industry-center>div>.hy-rg-title {
        right: 25px;
        bottom: 18px;
        font-size: 20px;
    }
}