/*banner部分*/
.banner {
    width: 100%;
}

.banner img {
    width: 100%;
    height: 100%;
    z-index: 20;
}

.banner .bd li {
    position: relative;
    z-index: 10;
}

.banner .prev {
    position: absolute;
    top: 55%;
    left: 7%;
    cursor: pointer;
    width: 28px;
    height: 48px;
}

.banner .next {
    position: absolute;
    top: 55%;
    right: 7%;
    cursor: pointer;
    width: 28px;
    height: 48px;
}

.banner .bd .banner-desc {
    position: absolute;
    top: 35%;
    left: 20%;
    display: flex;
    align-items: center;
    z-index: 50;
    letter-spacing: 2px;
}

.banner .bd .banner-desc p {
    color: #ffffff;
    font-weight: bold;
    font-size: 38px;
    margin-bottom: 30px;
}

.banner .bd .banner-desc .banner-bottom-title {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin: 30px 0;
    padding-bottom: 30px;
}

.banner .bd .banner-desc span {
    display: block;
    color: #ffffff;
    font-weight: 400;
    opacity: 0.6;
}

/*公共标题*/
.title-container {
    padding-top: 99px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: #000000;
}

.title-container b {
    font-family: "Microsoft YaHei";
    margin-bottom: 21px;
    font-size: 38px;
    line-height: 38px;
    letter-spacing: 2px;
}

.title-container .title-bottom {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
}

.title-container .title-bottom .title-bar {
    width: 100px;
    height: 1px;
    background: #000000;
}

.title-container .title-bottom span {
    display: block;
    font-size: 16px;
    opacity: 0.8;
    padding: 0 15px;
    text-transform: uppercase;
}

.title-container .title-desc {
    font-size: 25px;
    line-height: 25px;
    font-weight: 400;
}

.title-container.title-container-white {
    color: #ffffff;
}

.title-container.title-container-white .title-bottom .title-bar {
    background-color: #fff;
    opacity: .8;
}

/*banner下方*/
.page-top {
    background: url('../img/page-topbg.jpg') no-repeat;
    background-size: 100% 100%;
    position: relative;
    z-index: 10;
}

.page-top .container {
    display: flex;
    align-items: center;
    height: 166px;
}

.page-top .container .page-top-info {
    display: flex;
    align-items: center;
}

.page-top .container .page-top-info .page-top-num {
    width: 156px;
    height: 95px;
    position: relative;
    z-index: 10;
    margin-right: 40px;
    margin-left: 250px;
}

.page-top .container .page-top-info .page-top-num .page-top-img {
    width: 156px;
    height: 95px;
}

.page-top .container .page-top-info .page-top-num span {
    display: block;
    position: absolute;
    right: -5px;
    bottom: 0;
    font-size: 22px;
    font-weight: normal;
    color: #000000;
}

.page-top .container .page-top-info img {
    width: 100%;
    height: 100%;
}

.page-top .container .page-top-info .page-top-desc p {
    font-size: 30px;
    font-weight: 400;
    color: #333333;
    line-height: 48px;
    letter-spacing: 5px;
}

/*走进美恩*/
.about .title-container {
    margin-bottom: 15px;
}

.about .about-list {
    width: 100%;
    background: url('../img/about-bg.png') no-repeat;
    background-size: 100% 100%;
    padding-top: 47px;
    padding-bottom: 77px;
}

.about .about-list .about-desc {
    width: 943px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 30px;
    text-align: justify;
    color: #666666;
}

.about .about-list .about-video {
    width: 100%;
    height: 396px;
    position: relative;
    z-index: 10;
    margin-top: 30px;
    border-radius: 14px;
}

.about .about-list .about-video img {
    width: 100%;
    height: 100%;
}

.about .about-list .about-video .about-video-mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 40;
    background-color: #000000;
    opacity: .5;
}

.about .about-list .about-video .about-video-button {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    background-color: #000000;
    opacity: .5;
}

.about .about-list .about-video .about-video-button img {
    width: 56px;
    height: 41px;
    cursor: pointer;
}

.about .about-list .about-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 49px 0;
}

.about .about-list .about-bottom .about-bar {
    width: 1px;
    height: 40px;
    border: 1px dotted #E6E6E6;
}

.about .about-list .about-bottom .about-item {
    width: 299px;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.about .about-list .about-bottom .about-item .about-item-top {
    display: flex;
    align-items: flex-end;
    margin-bottom: 16px;
}

.about .about-list .about-bottom .about-item .about-item-top p {
    font-size: 43px;
    font-weight: bold;
    color: #171717;
    line-height: 43px;
}

.about .about-list .about-bottom .about-item .about-item-top .about-tb {
    width: 22px;
    height: 22px;
    background: #1456A0;
    border-radius: 50%;
    line-height: 22px;
    text-align: center;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
}

.about .about-list .about-bottom .about-item .about-item-desc {
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 16px;
}

/*我们的承诺*/
.promise {
    padding-bottom: 100px;
    margin-top: -25px;
    width: 100%;
    position: relative;
    z-index: 10;
    background: url('../img/promise-top.jpg') no-repeat;
    background-size: 100% 278px;

}

.promise .title-container {
    padding-bottom: 100px;
}

.promise .promise-list {
    margin-top: 75px;
    position: relative;
    z-index: 10;
}

.promise .promise-list .promise-num {
    position: absolute;
    left: 566px;
    top: 37px;
    width: 72px;
    height: 1165px;
}

.promise .promise-list .promise-num img {
    width: 100%;
    height: 100%;
}

.promise .promise-item {
    display: flex;
    justify-content: space-between;
}

.promise .promise-item img {
    width: 100%;
    height: 100%;
}

.promise .promise-item:nth-child(1) .promise-img {
    width: 525px;
    height: 100%;
}

.promise .promise-item:nth-child(2) .promise-info .promise-title,
.promise .promise-item:nth-child(4) .promise-info .promise-title {
    text-align: right;
}

.promise .promise-item:nth-child(2) .promise-info .promise-desc,
.promise .promise-item:nth-child(4) .promise-info .promise-desc {
    float: right;
}

.promise .promise-item .promise-info {
    width: 560px;
    height: 100%;
    box-sizing: border-box;
    padding: 0 51px;
}

.promise .promise-item .promise-info .promise-title p {
    margin-bottom: 9px;
    font-size: 30px;
    font-weight: bold;
    color: #FC9A18;
    line-height: 30px;
    letter-spacing: 2px;
}

.promise .promise-item .promise-info .promise-title p span {
    color: #fc9a18;
}

.promise .promise-item .promise-info .promise-title .promise-title-fy {
    display: block;
    font-size: 14px;
    font-weight: 400;
    color: #A8A8A8;
    line-height: 14px;
}

.promise .promise-item .promise-info .promise-desc {
    margin-top: 20px;
}

.promise .promise-item .promise-info .promise-desc li {
    padding-left: 10px;
    background: url('../img/promise-libg.png') no-repeat left top 10px;
    background-size: 6px 6px;
    font-size: 16px;
    font-weight: 400;
    color: #4D4D4D;
    line-height: 32px;
}

.promise .promise-item:nth-child(1) .promise-info .promise-title {
    margin-top: 45px;
}

.promise .promise-item:nth-child(2) .promise-info .promise-title {
    margin-top: 107px;
}

.promise .promise-item:nth-child(3) .promise-info .promise-title {
    margin-top: 24px;
}

.promise .promise-item:nth-child(4) .promise-info .promise-title {
    margin-top: 66px;
}

/*项目案例*/
.case {
    width: 100%;
    padding-bottom: 46px;
    background: url('../img/case-bg.jpg') no-repeat;
    background-size: 100% 100%;
}

.case .title-container {
    margin-bottom: 50px;
}

.case .case-nav {
    display: flex;
    justify-content: space-between;
    height: 70px;
    margin-bottom: 29px;
}

.case .case-nav p {
    width: 400px;
    background-color: #e0e0e0;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    line-height: 70px;
    text-align: center;
    cursor: pointer;
}

.case .case-nav p.on {
    background-color: #005bac;
    color: #ffffff;
    position: relative;
    z-index: 10;
}

.case .case-nav p.on:before {
    content: '';
    border: 7px solid transparent;
    border-bottom: 7px solid #ffffff;
    position: absolute;
    bottom: 0;
    left: 48%;
}

.case .case-info {
    display: flex;
    justify-content: space-between;
}

.case .case-info .case-item {
    width: 390px;
    height: 569px;
    background: #FFFFFF;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    z-index: 10;
}

.case .case-info .case-item:hover,
.case .case-info .case-item.cur {
    border-bottom: 3px solid #005BAC;
    box-shadow: 0 0 12px 0 #cccccc;
}

.case .case-info .case-item .case-item-top {
    width: 350px;
    height: 269px;
}

.case .case-info .case-item .case-item-top img {
    width: 100%;
    height: 100%;
}

.case .case-info .case-item .case-logo {
    width: 90px;
    height: 90px;
    position: absolute;
    left: 151px;
    top: 245px;
    z-index: 100;

}

.case .case-info .case-item .case-logo img {
    width: 100%;
    height: 100%;
}

.case .case-info .case-item .case-title {
    margin-top: 63px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #333333;
    line-height: 24px;
}

.case .case-info .case-item .case-item-desc {
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 30px;
}

.case .case-info .case-item .case-item-detail {
    display: flex;
    justify-content: center;
    margin-top: 35px;
    width: 100%;
}

.case .case-info .case-item .case-item-detail button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 177px;
    height: 40px;
    padding: 0 38px;
    background: #FFFFFF;
    border: 1px solid #666666;
    border-radius: 20px;
    box-sizing: border-box;
    outline: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 16px;
    transition: all .4s;
}

.case .case-info .case-item:hover .case-item-detail button,
.case .case-info .case-item.cur .case-item-detail button,
.case .case-detail button:hover{
    background: #f09218;
    color: #ffffff;
    border: none;
}

.case .case-detail {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: 50px;
}

.case .case-detail button {
    width: 410px;
    height: 37px;
    background-color: transparent;
    border: 1px solid rgba(0, 0, 0, 0.5);
    border-radius: 6px;
    font-size: 18px;
    font-weight: 400;
    line-height: 37px;
    color: #000000;
    text-align: center;
}

/*美恩旗下三大事业部*/
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.project .project-nav {
    height: 100%;
    width: 100%;
    margin-bottom: 50px;
    margin-top: 70px;
    position: relative;
    z-index: 30;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

.project .project-nav a {
    color: #666;
    font-size: 18px;
    line-height: 18px;
}

.project .project-nav .nLi {
    float: left;
    position: relative;
    display: inline;
    z-index: 10;
}

.project .project-nav .nLi h3 {
    float: left;
    font-weight: normal;
    width: 396px;
    height: 69px;
    background-color: #E0E0E0;
    font-size: 24px;
    text-align: center;
    color: #333333;
    line-height: 69px;
    letter-spacing: 2px;
    position: relative;
    z-index: 10;
    cursor: pointer;
}

.project .project-nav .sub {
    display: none;
    position: absolute;
    left: 0;
    top: 69px;
    z-index: 200;
}

.project .project-nav .sub li {
    zoom: 1;
    width: 400px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: #e0e0e0;
    margin: 5px 0;
}

.project .project-nav .sub a {
    display: block;
    font-size: 18px;
    line-height: 50px;
}

.project .project-nav .on h3,
.project .project-nav .sub li:hover {
    background: #005BAC;
    color: #fff;
}

.project .project-nav .on h3,
.project .project-nav .sub li:hover a {
    color: #ffffff;
}

.project .project-list {
    position: relative;
    z-index: 10;
    height: 520px;
    display: flex;
    justify-content: space-between;
}

.project .project-list .project-left.project-info {
    width: 668px;
    height: 520px;
    position: relative;
    z-index: 10;
}

.project .project-list .project-info img {
    width: 100%;
    height: 100%;
}

.project .project-list .project-info .project-mask {
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: 100%;
    height: 0%;
    overflow: hidden;
    background-color: #000000;
    opacity: .5;
    transition: all .6s;
}

.project .project-list .project-info .project-desc {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 0%;
    overflow: hidden;
    transition: all .6s;
}

.project .project-list .project-info .project-desc .project-desc-plus {
    width: 26px;
    height: 26px;
    margin-bottom: 14px;
}

.project .project-list .project-info .project-desc p {
    font-size: 18px;
    line-height: 18px;
    font-weight: 400;
    color: #FFFFFF;
}

.project .project-list .project-right {
    height: 520px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

.project .project-list .project-item.project-info {
    width: 512px;
    height: 250px;
    position: relative;
    z-index: 10;
}

.project .project-list .project-info.cur .project-mask,
.project .project-list .project-info:hover .project-mask,
.project .project-list .project-info.cur .project-desc,
.project .project-list .project-info:hover .project-desc {
    height: 100%;
}

/*新闻*/
.news{
    padding-bottom: 70px;
}
.news a{
    display: block;
}
.news .news-nav{
    margin-top: 49px;
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 46px;
}
.news .news-nav p{
    width: 300px;
    height: 42px;
    margin-right: 7px;
    background: #FFFFFF;
    border: 1px solid #E3E3E3;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 400;
    color: #464646;
    line-height: 42px;
    text-align: center;
    cursor: pointer;
}
.news .news-nav p.on{
    height: 48px;
    background: url('../img/news-navbg.png') no-repeat;
    background-size: 100% 100%;
    color: #ffffff;
    border: none;
}
.news .news-list .news-item {
    display: flex;
    justify-content: space-between;
}

.news .news-list .news-left {
    width: 795px;
}

.news .news-list .news-left .news-title-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    border-bottom: 1px solid #D9D9D9;
    margin-bottom: 30px;
}

.news .news-list .news-left .news-title-nav .news-title-left {
    display: flex;
    align-items: center;
}
.news .news-list .news-left .news-title-nav .news-title-left p{
    font-size: 16px;
    color: #666666;
    line-height: 16px;
    cursor: pointer;
}
.news .news-list .news-left .news-title-nav .news-title-left p[class="on"]{
    font-size: 18px;
    font-weight: bold;
    color: #333333;
    border-bottom: 2px solid #005BAC;
    padding-bottom: 9px;
    margin-bottom: -1px;
}
.news .news-list .news-left .news-title-nav .news-title-left  span{
    display: block;
    padding: 0 10px;
    color: #666666;
    font-weight: bold;
}
.news .news-list .news-left .news-title-right{
    font-size: 14px;
    font-weight: 400;
    color: #999999;
}
.news .news-list .news-left .news-top{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.news .news-left .news-top .news-top-img{
    width: 299px;
    height: 182px;
}
.news .news-left .news-top .news-top-img img{
    width: 100%;
    height: 100%;
}
.news .news-left .news-top .news-top-right{
    width: 449px;
}
.news .news-left .news-top .news-top-right .news-top-info{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.news .news-left .news-top-right .news-top-info .news-top-title{
    width: 300px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 18px;
    font-weight: bold;
    color: #333333;
    line-height: 18px;
}
.news .news-left .news-top-right .news-top-info .news-top-date{
    font-size: 16px;
    font-weight: bold;
    color: #666666;
    line-height: 16px;
}
.news .news-left .news-top-right .news-top-desc{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp:3;
    height: 77px;
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    line-height: 28px;
}
.news .news-left .news-top-right .news-top-detail button{
    width: 100px;
    height: 30px;
    background: #FC9A18;
    margin-top: 20px;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
}
.news .news-left .news-bottom{
    margin-top: 29px;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.news .news-left .news-bottom .news-bottom-info{
    width: 367px;
}
.news .news-left .news-bottom .news-bottom-info .news-bottom-item{
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #E5E5E5;
    height:46px;
    background: url('../img/news-jt.png') no-repeat left 2px center;
    background-size: 3px 7px;
    box-sizing:border-box;
    padding-left: 18px;
    padding-right: 7px;
}
.news .news-left .news-bottom .news-bottom-info .news-bottom-item:hover p,
.news .news-left .news-bottom .news-bottom-info .news-bottom-item:hover span,
.news .news-right .news-right-item:hover .news-right-info{
    color: #fc9a18;
}
.news .news-bottom .news-bottom-info .news-bottom-item p{
    width: 200px;
   white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    font-weight: 400;
    color: #666666;
}
.news .news-bottom .news-bottom-info .news-bottom-item  span{
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: #999999;
}
.news .news-right{
    width: 336px;
}
.news .news-right .news-right-title{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid #D9D9D9;
    margin-bottom: 20px;
}
.news .news-right .news-right-title p{
    font-size: 18px;
    font-weight: bold;
    color: #333333;
    line-height: 18px;
}
.news .news-right .news-right-title a span{
    display: block;
    font-size: 14px;
    font-weight: 400;
    color: #999999;
}
.news .news-right .news-right-item{
    display: flex;
    justify-content: center;
    flex-direction: column;
    height: 130px;
    border-bottom: 2px dashed #D9D9D9;
}

.news .news-right .news-right-item .news-right-info{
    height: 18px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    font-weight: bold;
    color: #333333;
    box-sizing:border-box;
    padding-left: 31px;
    background: url('../img/news-wen.png') no-repeat left top ;
    background-size: 18px 18px;
    line-height: 18px;
}
.news .news-right .news-right-item .news-right-desc{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp:2;
    width: 100%;
    height: 50px;
    margin-top: 16px;
    box-sizing:border-box;
    padding-left: 31px;
    background: url('../img/news-da.png') no-repeat left top 6px;
    background-size: 18px 18px;
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 24px;
}