body {
    font-family: "Noto Sans Sc";
}

.main {
    width: 1155px;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.news-nav {
    width: 260px;
    background-color: #f3f7fb;
}
.news-nav>h1 {
    height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e1e6f0;
    box-sizing: border-box;
}

.news-nav>h1>p {
    margin-left: 20px;
}

.news-nav>h1>p>span:nth-child(1) {
    font-size: 16px;
    letter-spacing: 2px;
}

.news-nav>h1>p>span:nth-child(2) {
    font-size: 14px;
    color: #333333;
    line-height: 10px;
    vertical-align: bottom;
    margin-left: 20px;
}

.news-nav>div {
    padding-left: 20px;
    font-weight: bold;
    cursor: pointer;
    height: 45px;
    line-height: 45px;
    display: flex;
    align-items: center;
}
.news-nav>div>span>a{
    font-size: 14px;
    color: #333333;
}
.news-nav>div:nth-of-type(1)>span>a{
  /*color: #1482e0;*/
}

.news-nav>div>span>a:hover{
    color: #1482e0;
}
.news-nav>div:not(:last-child) {
    border-bottom: 1px solid #e1e6f0;
}

.news-nav>div>i {
    align-items: center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 10px;
    background: url("../images/news/news_black.png") no-repeat;
}
.news-nav>div:nth-of-type(1)>i{
    /*background: url("../images/news/news_blue.png") no-repeat;*/
    background: url("../images/news/news_black.png") no-repeat;
}
.news-us-details-content-info:hover{
    color: #1482e0;
}
.news-nav>div:hover{
    color: #1482e0;
}
.news-nav>div:hover>i {
    background: url("../images/news/news_blue.png") no-repeat;
}

.news-nav>div:nth-of-type(1)>i {
    background-position: 0px 0px;
}

.news-nav>div:nth-of-type(2)>i {
    background-position: 0px -45px;
}

.news-nav>div:nth-of-type(3)>i {
    background-position: 0px -88px;
}

.news-nav>div:nth-of-type(4)>i {
    background-position: 0px -133px;
}

.news-nav>div:nth-of-type(5)>i {
    background-position: 0px -177px;
}

.news-nav>div:nth-of-type(6)>i {
    background-position: 0px -220px;
}
/* =========右侧内容栏目================ */

.news-content {
    width: 880px;
    overflow: hidden;
}

.news-us {
    width: 880px;
    height: 130px;
    background-image: url("../images/about/about-us-background.png");
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-us>div>h1 {
    font-size: 28px;
    line-height: 24px;
    letter-spacing: 1px;
    color: #ffffff;
    text-align: center;
    margin-bottom: 20px;
}

.news-us>div>p {
    font-size: 12px;
    line-height: 22px;
    letter-spacing: 1px;
    color: #ffffff;
    width: 675px;
    margin: auto;
    text-align: center;
}
.news-us-details-title {
    width: 880px;
    font-size: 18px;
    letter-spacing: 1px;
    height: 75px;
    color: #333333;
    border-bottom: 1px solid #ebeef5;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align:center;
    line-height:150%;
}
.news-us-details-content-phone,
.news-us-details-content-adr {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-top: 20px;
}

.news-us-details-content h4 {
    font-size: 18px;
    letter-spacing: 1px;
    color: #333333;
    width: 220px;
}

.news-us-details-content h4::before {
    content: '';
    display: inline-block;
    border: 8px solid transparent;
    border-top-color: transparent;
    border-right-color: #1482e0;
    border-bottom-color: transparent;
    border-left-color: transparent;
    transform: rotate(180deg);
    margin-right: 5px;
}

.news-us-details-content {
    width: 880px;
    margin: 0 auto;
    overflow: hidden;
    padding: 0 10px 0 12px;
}
.news-us-details-content-info{
    width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-bottom: 1px solid #ebeef5;
    padding: 20px;
}
.news-us-details-content-info:hover{
    background: #f3f7fb;
}
.news-us-details-content-info>ul{
    float: left;
}
.news-us-details-content-info>ul:nth-child(1){
    width: 20%;
}
.news-us-details-content-info>ul:nth-child(2){
    width: 60%;
}
.news-us-details-content-info>ul:nth-child(2)>li:nth-child(1){
    margin-top: 16px;
}
.news-us-details-content-info>ul:nth-child(2)>li:nth-child(1)>a{
    font-size: 16px;
    font-weight: 600;
    color: #333333;
}
.news-us-details-content-info>ul:nth-child(2)>li:nth-child(2){
    line-height: 130%;
    margin-top: 14px;

}
.news-us-details-content-info>ul:nth-child(2)>li:nth-child(2)>a{
    font-size: 14px;
    color: #333333;
    line-height:150%;
}
.news-us-details-content-info>ul:nth-child(3){
    float: right;
    width: 20%;
}
.news-us-details-content-info>ul:nth-child(3)>li{
    text-align: right;
}
.news-us-details-content-info>ul:nth-child(3)>li:nth-child(1){
    font-size: 18px;
    color: #1482e0;
}
.news-us-details-content-info>ul:nth-child(3)>li:nth-child(2){
    font-size: 12px;
    color: #888888;
    margin-top: 12px;
}
.news-us-details-content-info>ul:nth-child(3)>li:nth-child(3){
    margin-top: 12px;
}
.news-us-details-content-info>ul:nth-child(3)>li:nth-child(3)>a>span{
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    border: 2px solid #ebeef5;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
}
.news-us-details-content-info>ul:nth-child(3)>li:nth-child(3)>a>span:hover{
    width: 24px;
    height: 24px;
    line-height: 24px;
    color: #ffffff;
    background: #1482e0;
    border: none;
}
.news-us-details-content-info>ul>li>img{
    height: 100px;
    width: 134px;
}
/* 用于jq判断 */
.img-change{
    width: 0% !important;
}
.img-change2{
    width: 80% !important;
}
/*产品中心 -背景*/
.title-cp {
    width: 880px;
    height: 130px;
    background-image: url("../images/about/beijing-cp.png");
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}