* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

.header {
    z-index: 99;
}

.youth-container {
    width: 1400px;
    margin: 140px auto 0;
    background-color: #E5F8FF;
}

.youth-container .banner {
    height: 185px;
    border-bottom: 5px solid #346AD9;
    box-sizing: border-box;
}

.youth-container .banner img {
    width: 1400px;
    height: 180px;
}

.youth-container .banner .m_banner {
    display: none;
}

.youth-container .content {
    width: 1200px !important;
    margin: 0 auto;
    background-color: #fff !important;
    min-height: 700px;
}

.youth-container .page {
    padding: 0 30px;
}

.youth-container .page .title {
    text-align: center;
    border-bottom: 1px solid #C8C8C8;
    padding: 20px 0 10px;
}

.youth-container .page .title h1 {
    margin: 0;
    font-size: 28px;
    color: #333333;
}

.youth-container .page .title .time-info {
    display: flex;
    width: 600px;
    margin: 0 auto;
    justify-content: space-evenly;
    color: #999;
    height: 40px;
    line-height: 40px;
}

.youth-container .text-box {
    padding: 32px 86px 70px;
}

.youth-container .text-box p {
    text-indent: 40px;
    margin-bottom: 20px;
    line-height: 30px;
}


/* 个人介绍 */

.youth-container .personal-box .personal-info {
    width: 100%;
    overflow: hidden;
}

.youth-container .personal-box .personal-infotext {
    float: left;
    width: 80%;
}

.youth-container .personal-box .personal-image {
    float: right;
    text-align: center;
}

.youth-container .personal-box .personal-image img {
    width: 200px;
    height: auto;
    border: 1px solid #DDDDDD;
}

.youth-container .personal-box {
    padding: 12px 30px;
    padding-top: 7px;
    overflow: hidden;
}

.youth-container .personal-box p {
    font-size: 16px;
    line-height:48px;

}

.personal-detail-info {
    margin-top: 35px;
    width: 100%;
    overflow: hidden;
}
.personal-detail-info,.personal-detail-info p{
    font-size: 16px;
    line-height: 36px;
}

.personal-detail-info img {
    max-width: 100%;
}


/* 项目介绍 */

.youth-container .page3 {
    padding-top: 30px;
}

.page3 .info-item {
    width: 100%;
    overflow: hidden;
}

.page3 .info-item .project_section {
    float: left;
    width: 885px;
}

.page3 .info-item .info-title {
    display: flex;
    align-items: center;
}

.page3 .info-item .info-title h5 {
    font-size: 22px;
    font-weight: bold;
    color: #3469D9;
    margin: 0 5px;
}

.page3 .info-item .info-title h5 a {
    font-size: 22px;
    color: #3469D9;
}

.page3 .info-item .m_tit {
    display: none;
}

.page3 .info-content {
    padding: 30px 0;
    /*line-height: 40px;*/
}

.page3 .project_section .info-content {
    padding: 15px 0;
}

.page3 .info-item .project_section .info-content p {
    font-size: 16px;
    color: #333;
    line-height: 2.19;
}

.page3 .info-item .project_section .info-content .item_more {
    width: 100%;
    text-align: right;
    overflow: hidden;
}

.page3 .info-item .project_section .info-content .item_more a {
    font-size: 16px;
    color: #346AD8;
}

.page3 .info-content h6 {
    font-size: 16px;
    font-weight: normal;
    color: #3469D9;
    text-align: center;
    position: relative;
}

.page3 .info-content h6::before {
    content: '';
    width: 40%;
    height: 0;
    border-top: 1px solid #3469D9;
    position: absolute;
    top: 50%;
    margin-top: -1px;
    left: 0;
}

.page3 .info-content h6::after {
    content: '';
    width: 40%;
    height: 0;
    border-top: 1px solid #3469D9;
    position: absolute;
    top: 50%;
    margin-top: -1px;
    right: 0;
}

.page3 .info-content h6 a {
    color: #3469D9;
    text-decoration: none;
    display: inline-block;
    height: 30px;
    width: 120px;
    text-align: center;
    line-height: 30px;
    border: 1px solid #EAEAEA;
    background-color: #F4F4F4;
    border-radius: 20px;
}

.service_section {
    float: right;
    width: 210px;
    border-radius: 5px 5px 0px 0px;
    overflow: hidden;
}

.service_section .item_tit {
    width: 100%;
    height: 45px;
    font-size: 18px;
    color: #fff;
    font-weight: bold;
    text-align: center;
    line-height: 45px;
    background: #356AD9;
}

.service_list {
    padding: 0;
    overflow: hidden;
}

.service_list li {
    width: 100%;
    overflow: hidden;
}

.service_list li .item_tit {
    width: 100%;
    height: 45px;
    font-size: 18px;
    color: #807B7B;
    font-weight: bold;
    text-align: center;
    line-height: 45px;
    background: #E5F1FD;
    cursor: pointer;
}

.service_list li .item_cont {
    height: 88px;
    padding: 12px 20px 12px 25px;
}

.service_list li .item_cont,
.service_list li.active .item_tit {
    display: none;
}

.service_list li.active .item_cont {
    display: block;
}

.service_list li:nth-child(1) .item_cont {
    background: #00AAF5;
}

.service_list li:nth-child(2) .item_cont {
    background: #F0A769;
}

.service_list li:nth-child(3) .item_cont {
    background: #2AC1B8;
}

.service_list li:nth-child(4) .item_cont {
    background: #3BB2F6;
}

.service_list li:nth-child(5) .item_cont {
    background: #346AD9;
}

.service_list li .item_cont .icon_box {
    float: left;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 36px;
    overflow: hidden;
}

.service_list li .item_cont .item_right {
    float: right;
    width: 120px;
}

.service_list li .item_cont .item_right h6 {
    font-size: 18px;
    color: #fff;
    line-height: 24px;
}

.service_list li .item_cont .item_right p {
    height: 36px;
    font-size: 12px;
    color: #fff;
    line-height: 18px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.person_tab,
.person_tab .hd,
.person_tab2,
.person_tab2 .hd,
.menu_nav {
    width: 100%;
    overflow: hidden;
}

.person_tab .hd a,
.person_tab2 .hd a,
.menu_nav a {
    display: block;
    float: left;
    padding: 0 10px;
    height: 40px;
    font-size: 16px;
    color: #666;
    text-align: center;
    line-height: 40px;
    border-radius: 5px 5px 0px 0px;
}

.person_tab .hd a:hover,
.person_tab2 .hd a:hover,
.menu_nav a:hover {
    color: #346AD9;
}

.person_tab .hd a.on,
.person_tab2 .hd a.on,
.menu_nav a.on {
    color: #3469D9;
    border: 1px solid #ddd;
    border-bottom: 0;
}

.person_tab .person_item,
.person_tab2 .person_item {
    display: none;
}

.page3 .staff-box {
    display: flex;
    text-align: center;
    padding-top: 20px;
    flex-wrap: wrap;
}

.page3 .staff-box .staff-item {
    width: 16%;
    margin: 0 2% 35px;
}

.page3 .staff-box .staff-item a {
    display: inline-block;
    width: 100%;
    vertical-align: unset;
}

.page3 .staff-box .staff-item a:hover {
    text-decoration: none;
}

.page3 .staff-box .staff-item img {
    width: 100%;
    height: 204px;
    border: 1px solid #DDDDDD;
}

.page3 .staff-box .staff-item p {
    line-height: 40px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.page3 .staff-box .staff-item span {
    color: #A9A9A9;
    line-height: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news_section {
    width: 535px;
}

.page3 .info-content ul li {
    list-style: none;
    position: relative;
    display: flex;
    justify-content: space-between;
    padding-left: 20px;
    height: 40x;
    line-height: 40px;
    overflow: hidden;
}

.page3 .info-content ul li::before {
    content: '';
    width: 7px;
    height: 7px;
    background-color: #EBEBEB;
    position: absolute;
    top: 17px;
    left: 0;
    transform: rotate(45deg);
}

.page3 .info-content ul li a {
    float: left;
    max-width: 80%;
    color: #808080;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page3 .info-content ul li span {
    float: right;
    color: #808080;
}

.video-title img.pc_tit {
    width: 920px;
}

.page3 .video-list {
    margin-top: 20px;
    width: 100%;
    overflow: hidden;
}

.page3 .video-item {
    float: left;
    margin-right: 20px;
    margin-bottom: 35px;
    width: 270px;
}

.page3 .video-item:nth-child(4n) {
    margin-right: 0;
}
.page3 .video-item .img_box{
    position: relative;
}
.page3 .video-item .img_box .cover_serve{
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 10px;
    background: rgba(0,0,0,.5);
}

.page3 .video-item img {
    margin-bottom: 10px;
    width: 100%;
    height: 170px;
}
.page3 .video-item .img_box .cover_serve img{
    margin: 0;
    width: 45px;
    height: 45px;
}

.page3 .video-item p {
    height: 48px;
    font-size: 16px;
    color: #333;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.page3 .video-item:hover p {
    color: #3469D9;
}

.page .pagination {
    display: table;
    margin: 0 auto;
    height: 40px;
}

.page3 .info-content .pagination li {
    float: left;
    display: block;
    padding: 0;
    margin-right: 6px;
}

.page3 .info-content .pagination li::before {
    display: none;
}

.page3 .info-content .pagination li a,
.page3 .info-content .pagination li span {
    display: block;
    float: none;
    max-width: 100%;
    width: 34px;
    height: 34px;
    font-size: 14px;
    text-align: center;
    color: #999;
    line-height: 32px;
    border: 1px solid #dcdcdc;
}

.page3 .info-content .pagination li a:hover,
.page3 .info-content .pagination li.active a {
    background: #156FCC;
    border-color: #156FCC;
    color: #fff;
}

.trends_list,
.trends_list .trends_item {
    width: 100%;
    overflow: hidden;
}

.trends_list {
    margin-top: -20px;
    margin-bottom: 30px;
}

.trends_list .trends_item {
    position: relative;
    padding-left: 20px;
    height: 66px;
    line-height: 66px;
    border-bottom: 1px dashed #F0F0F0;
}

.trends_list .trends_item::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0;
    bottom: 0;
    margin: auto 0;
    width: 7px;
    height: 7px;
    background-color: #EBEBEB;
    transform: rotate(45deg);
}

.trends_list .trends_item a {
    display: block;
    float: left;
    max-width: 70%;
    font-size: 16px;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.trends_list .trends_item a:hover {
    color: #346AD9;
}

.trends_list .trends_item span {
    float: right;
    font-size: 16px;
    color: #999;
}
.footer2{
    padding: 10px 0;
    background-color: rgba(81, 86, 92, 0.66);
    overflow: hidden;
}
.footer2 p{
    font-size: 12px;
    color: #fff;
    text-align: center;
    line-height: 25px;
}
.footer2 p a{
    color: #fff;
}

@media (max-width: 576px) {
    .youth-container {
        width: 100%;
        margin: 65px auto 0;
    }
    .youth-container .banner img {
        width: 100%;
        height: 150px;
    }
    .youth-container .banner img.pc_banner {
        display: none;
    }
    .youth-container .banner img.m_banner {
        display: block;
    }
    .youth-container .banner {
        height: 150px;
    }
    .youth-container .content {
        width: 100% !important;
    }
    .page3 .info-item .project_section,
    .service_section {
        float: none;
        width: 100%;
        overflow: hidden;
    }
    .service_section {
        margin-bottom: 30px;
    }
    .service_list li .item_cont .item_right {
        float: none;
        margin-left: 48px;
        width: auto;
    }
    .page3 .info-item .info-title img:first-child {
        width: auto;
        height: 15px;
    }
    .page3 .info-item .info-title h5 {
        font-size: 18px;
        text-align: center;
    }
    .page3 .info-item .info-title img:last-child {
        width: auto;
        height: 15px;
        width: 55px;
    }
    .page3 .info-item .pc_tit {
        display: none;
    }
    .page3 .info-item .m_tit {
        display: inline-block;
    }
    .person_tab .hd a,
    .person_tab2 .hd a,
    .menu_nav a {
        font-size: 14px;
    }
    .page3 .staff-box {
        padding-bottom: 0;
    }
    .page3 .staff-box .staff-item {
        width: 100%;
        margin: 0 auto 20px;
    }
    .news_section {
        float: none;
        width: 100%;
    }
    .page3 .info-content ul li a {
        max-width: 65%;
    }
    .page3 .video-item {
        margin-bottom: 20px;
        width: 100%;
    }
    .page3 .video-item:last-child {
        margin-bottom: 0;
    }
    .page3 .video-item img {
        height: auto;
    }
    .page3 .info-content h6::before {
        width: 20%;
    }
    .page3 .info-content h6::after {
        width: 20%;
    }
    .page3 .info-content h6 a {
        font-size: 14px;
    }
    .page3 .info-content {
        padding: 15px 0;
    }
    .youth-container .page {
        padding: 20px 15px 0;
    }
    .navbar-toggler-icon {
        position: absolute;
        display: none;
    }
    .container .topnav {
        width: 100%;
    }
    #header .container {
        position: relative;
    }
    .header {
        position: fixed !important;
        background-color: unset !important;
    }
    .youth-container .personal-box {
        padding: 15px 0;
    }
    .page3 .staff-box .staff-item img {
        width: 150px;
        height: auto;
    }
    .youth-container .personal-box .personal-image img {
        width: 150px;
    }
    .youth-container .personal-box p {
        font-size: 16px;
    }
    .content_w850 h1 {
        padding-top: 15px;
    }
    #rightBtn {
        display: none;
    }
    .trends_list {
        margin-top: -10px;
        margin-bottom: 0;
    }
    .trends_list .trends_item {
        height: 45px;
        line-height: 45px;
    }
}