.page {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.header {
    width: 100%;
    overflow: hidden;
}

.header .box_1 {
    width: 100%;
    height: 50px;
    line-height: 50px;
    background: url(../images/headtopbg.png) top center no-repeat;
}

.header .box_1 .text-wrapper_1 {
    font-size: 14px;
    color: #fff;
    text-align: right;
}

.header .box_1 .text-wrapper_1 a.active {
    color: #F3EA52;
}

.header .box_1 .text-wrapper_1 img {
    margin-right: 10px;
    position: relative;
    top: -2px;
}

.header .box_1 .thumbnail_1 {
    float: right;
    position: relative;
    margin-top: 5px;
    margin-left: 35px;
    width: 77px;
    height: 40px;
}

.header .box_1 .thumbnail_1 button {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    padding-left: 19px;
    height: 40px;
    font-size: 16px;
    color: #fff;
    background: url(../images/icon5.png) left center no-repeat;
    border: 0;
}

.header .box_1 .thumbnail_1.on button {
    color: #666;
    background: url(../images/icon5_2.png) left center no-repeat;
}

.header .box_1 .thumbnail_1 .input {
    transition: All 0.5s ease;
    -webkit-transition: All 0.5s ease;
    -moz-transition: All 0.5s ease;
    -o-transition: All 0.5s ease;
    position: absolute;
    z-index: 1;
    left: auto;
    right: -15px;
    top: 0;
    bottom: auto;
    width: 77px;
    height: 40px;
    background: #fff;
    opacity: 0;
    visibility: hidden;
}

.header .box_1 .thumbnail_1.on .input {
    width: 300px;
    opacity: 1;
    visibility: visible;
}

.header .box_1 .thumbnail_1 .input input {
    width: 65%;
    height: 40px;
    font-size: 16px;
    color: #666;
    border: 0;
    float: left;
}

.header .box_2 {
    width: 100%;
    height: 300px;
    background: url(../images/headbotbg.png) top center no-repeat;
    overflow: hidden;
}

.header .box_2.two {
    height: 130px;
    background: url(../images/headbotbg2.png) top center no-repeat;
}

.header .box_2 .group_1 {
    margin-top: 50px;
    overflow: hidden;
}

.header .box_2.two .group_1 {
    margin-top: 27px;
}

.header .box_2 .group_1 .image_1 {
    float: left;
}

.header .box_2 .group_1 .section_2 {
    float: right;
    margin-top: 17px;
    /*width: 642px;*/
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .2);
}

.header .box_2 .group_1 .section_2 ul {
    padding: 0;
    list-style: none;
    overflow: hidden;
}

.header .box_2 .group_1 .section_2 li {
    float: left;
    position: relative;
    padding: 0 18px;
    font-size: 16px;
    color: #fff;
    text-align: center;
    line-height: 44px;
    text-transform: uppercase;
}

.header .box_2 .group_1 .section_2 li::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto 0;
    width: 1px;
    height: 16px;
    background: #fff;
}

.header .box_2 .group_1 .section_2 li:last-child:after {
    display: none;
}

.header .box_2 .group_1 .section_2 li a {
    display: block;
    position: relative;
}

.header .box_2 .group_1 .section_2 li.active a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background: #F7B80F;
}

.header .box_2 .image_2 {
    margin-top: 60px;
    text-align: center;
    /*overflow: hidden;*/
}

.box_3 {
    padding-top: 70px;
    padding-bottom: 65px;
    width: 100%;
    overflow: hidden;
}

.group_6 {
    float: left;
    position: relative;
    width: 630px;
    height: 350px;
    overflow: hidden;
}

.group_6 ul {
    padding: 0;
    list-style: none;
}

.group_6 .bd li {
    position: relative;
}

.group_6 .bd li img {
    width: 100%;
    height: 350px;
}

.group_6 .bd li .group_7 {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 7px 20px;
    padding-right: 100px;
    background-color: rgba(0, 0, 0, 0.5);
}

.group_6 .bd li .group_7 p {
    font-size: 16px;
    color: #fff;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.group_6 .hd {
    position: absolute;
    right: 15px;
    bottom: 18px;
}

.group_6 .hd li {
    float: left;
    margin-right: 5px;
    width: 8px;
    height: 8px;
    font-size: 0;
    background: #fff;
    border-radius: 50%;
}

.group_6 .hd li.on {
    background: #0F5CAA;
}

.group_14 {
    float: right;
    width: 540px;
}

.section_title {
    width: 100%;
    line-height: 25px;
}

.section_title h6 {
    float: left;
    font-family: Calibri-Bold;
    font-size: 36px;
    color: #333;
}

.section_title .more {
    float: right;
    font-size: 16px;
    color: #999;
}

.section_title .more:hover {
    color: #0F5CAA;
}

.news_list {
    width: 100%;
    overflow: hidden;
}

.news_list ul {
    padding: 0;
    list-style: none;
    margin-top: 28px;
    overflow: hidden;
}

.news_list li {
    margin-bottom: 30px;
    width: 100%;
    overflow: hidden;
}

.news_list li:last-child {
    margin-bottom: 0;
}

.news_list li a {
    display: flex;
}

.news_list li .item_time {
    margin-right: 20px;
    padding-top: 15px;
    width: 83px;
    height: 80px;
    text-align: center;
    background: url(../images/bg2.png) no-repeat;
    border-right: 3px solid #F7B80F;
}

.news_list li .item_time .text_11 {
    font-size: 30px;
    color: rgba(51, 51, 51, 1);
    line-height: 28px;
}

.news_list li .item_time .text_12 {
    font-size: 16px;
    color: rgba(102, 102, 102, 1);
}

.news_list li .item_cont {
    width: 437px;
    align-self: center;
}

.news_list li .item_cont p {
    font-size: 19px;
    color: #333;
    line-height: 28px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.news_list li:hover .item_cont p {
    color: #0F5CAA;
}

.box_9 {
    padding: 60px 0;
    padding-top: 50px;
    width: 100%;
    background-color: rgba(247, 247, 247, 1);
    overflow: hidden;
}

.text-wrapper_5 {
    font-family: Calibri-Bold;
    font-size: 36px;
    color: #B6B6B6;
    text-align: center;
    font-weight: bold;
}

.conferences_slide {
    margin-top: 45px;
    position: relative;
}

.conferences_slide .bd,
.conferences_slide .bd ul {
    width: 100%;
    overflow: hidden;
}

.conferences_slide .bd ul {
    padding: 0;
    list-style: none;
}

.conferences_slide .bd li {
    float: left;
    margin-right: 75px;
    width: 335px;
}

.conferences_slide .bd li h6 {
    margin-bottom: 6px;
    height: 56px;
    font-size: 19px;
    color: #333;
    line-height: 28px;
    font-weight: normal;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.conferences_slide .bd li:hover h6 {
    color: #0F5CAA;
}

.conferences_slide .bd li p {
    font-size: 18px;
    color: #666;
    line-height: 32px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conferences_slide .bd li p img {
    margin-right: 10px;
    position: relative;
    top: -1px;
}

.conferences_slide .bd li .item_info {
    margin-top: 8px;
    font-size: 16px;
    color: #666;
    line-height: 20px;
}

.conferences_slide .bd li .item_info img {
    margin-left: 17px;
}

.conferences_slide .prev,
.conferences_slide .next {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    width: 16px;
    height: 30px;
}

.conferences_slide .prev {
    left: -40px;
    background: url(../images/prev.png) no-repeat;
}

.conferences_slide .next {
    right: -40px;
    background: url(../images/next.png) no-repeat;
}

.section_6 {
    margin-top: 50px;
    width: 100%;
    overflow: hidden;
}

.section_6 a {
    display: block;
    margin: 0 auto;
    width: 140px;
    height: 46px;
    font-size: 20px;
    color: #999;
    text-align: center;
    line-height: 44px;
    background: #F7F7F7;
    border: 1px solid rgba(193, 193, 193, .5);
    transition: All 0.5s ease;
    -webkit-transition: All 0.5s ease;
    -moz-transition: All 0.5s ease;
    -o-transition: All 0.5s ease;
}

.section_6 a:hover {
    color: #fff;
    background: #0F5CAA;
    border-color: #0F5CAA;
}

.box_4 {
    padding-top: 65px;
    overflow: hidden;
}

.journals_list {
    margin-top: 40px;
    width: 100%;
}

.journals_list .box_10 {
    margin-bottom: 35px;
    width: 100%;
}

.journals_list .box_10 .box_11 {
    float: left;
    width: 180px;
    height: 240px;
    box-shadow: 0px 0px 13px 0px rgba(0, 0, 0, 0.15);
}

.journals_list .box_10 .box_11 img {
    width: 100%;
    height: 240px;
}

.journals_list .box_10 .text-wrapper_9 {
    margin-left: 220px;
    margin-top: 5px;
}

.journals_list .box_10 .text-wrapper_9 .text_28 {
    font-size: 24px;
    color: rgba(51, 51, 51, 1);
    line-height: 32px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.journals_list .box_10 .text-wrapper_9 .paragraph_5 {
    margin-top: 10px;
    font-size: 18px;
    color: rgba(102, 102, 102, 1);
    line-height: 32px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    /*要显示的行数*/
    overflow: hidden;
}

.journals_list .box_10 .text-wrapper_9 .text_29 {
    margin-top: 20px;
    font-size: 16px;
    color: rgba(15, 92, 170, 1);
    line-height: 32px;
}

.box_5 {
    margin-bottom: 65px;
    margin-top: 32px;

}

.image-wrapper_1,.image-wrapper_2 {
    margin-top: 40px;
    width: 100%;
    overflow: hidden;
}

.image-wrapper_1 a {
    display: block;
    float: left;
    margin-right: 30px;
    margin-bottom: 15px;
    width: 380px;
}

.image-wrapper_1 a:nth-child(3n) {
    margin-right: 0;
}

.image-wrapper_1 a img {
    width: 100%;
    height: 50px;
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
    opacity: .2;
    transition: All 0.5s ease;
    -webkit-transition: All 0.5s ease;
    -moz-transition: All 0.5s ease;
    -o-transition: All 0.5s ease;
}

.image-wrapper_1 a:hover img,
.image-wrapper_2 a:hover img {
    -webkit-filter: grayscale(0);
    -moz-filter: grayscale(0);
    -ms-filter: grayscale(0);
    -o-filter: grayscale(0);
    filter: grayscale(0);
    filter: gray;
    opacity: 1;
}

.box_6 {
    margin-bottom: 55px;
}

.image-wrapper_2 a {
    display: block;
    float: left;
    margin-right: 84px;
    margin-bottom: 15px;
    width: 344px;
    height: 87px;
}
.image-wrapper_2 a:nth-child(3n){
    margin-right: 0;
}

.image-wrapper_2 a img {
    width: 100%;
    height: 87px;
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
    opacity: .2;
    transition: All 0.5s ease;
    -webkit-transition: All 0.5s ease;
    -moz-transition: All 0.5s ease;
    -o-transition: All 0.5s ease;
}

.box_13 {
    width: 100%;
    height: 280px;
    background: url(../images/footbg.png) top center no-repeat;
    overflow: hidden;
}

.box_13 .text-wrapper_11 {
    margin-top: 50px;
    padding-bottom: 40px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    overflow: hidden;
}

.box_13 .text-wrapper_11 .block_1 h6 {
    padding-bottom: 5px;
    width: 120px;
    font-size: 20px;
    color: #fff;
    font-weight: normal;
    border-bottom: 2px solid #fff;
}

.box_13 .text-wrapper_11 .block_1 .item_cont {
    margin-top: 15px;
    overflow: hidden;
}

.box_13 .text-wrapper_11 .block_1 .item_cont .text_37 {
    font-size: 14px;
    color: #fff;
    line-height: 24px;
}

.box_13 .text-wrapper_11 .block_1 .item_cont .text_13 {
    margin-top: 5px;
    width: 205px;
    font-size: 14px;
    color: #E0E0E0;
    line-height: 18px;
}

.box_13 .text-wrapper_11 .block_1 .item_cont a {
    display: block;
    font-size: 14px;
    color: #E1E1E1;
    line-height: 28px;
}

.box_13 .text-wrapper_11 .block_1 .item_cont .image_9 {
    width: 90px;
    height: 90px;
}

.box_13 .text-wrapper_11 .block_1 .item_cont .image_9 img {
    width: 100%;
    height: 90px;
}

.box_13 .block_7 {
    width: 100%;
    height: 55px;
    line-height: 55px;
    overflow: hidden;
}

.box_13 .block_7 .foot_left {
    float: left;
    font-size: 14px;
    color: #E1E1E1;
}

.box_13 .block_7 .foot_right {
    float: right;
    font-size: 14px;
    color: #E1E1E1;
}

.box_13 .block_7 .foot_right span {
    margin-right: 45px;
}

.box_13 .block_7 .foot_right img {
    margin-right: 10px;
}

.box_13 .block_7 .foot_right span:last-child {
    margin-right: 0;
}

.BreadNav {
    width: 100%;
    height: 40px;
    background: #FAFAFA;
    overflow: hidden;
}

.BreadNav a,
.BreadNav span {
    display: block;
    float: left;
    font-size: 16px;
    color: #666;
    line-height: 40px;
}

.BreadNav span {
    margin: 0 5px;
}

.BreadNav a:hover,
.BreadNav a.active {
    color: #0F5CAA;
}

.page_content {
    padding: 20px;
    padding-bottom: 60px;
    width: 100%;
    min-height: calc(100vh - 500px);
}

.sidenav_section {
    float: left;
    width: 250px;
}

.sidenav_section .sidenav_title {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 60px;
    font-family: "Calibri-Bold";
    font-size: 20px;
    color: #fff;
    background: #0F5CAA;
}

.sidenav_section ul {
    padding: 0;
    list-style: none;
    overflow: hidden;
}

.sidenav_section>ul {
    padding: 10px 0;
    background: #FAFAFA;
}

.sidenav_section>ul>li {
    width: 100%;
}

.sidenav_section>ul>li a {
    display: block;
}

.sidenav_section>ul>li>a {
    padding: 14px 28px;
    padding-right: 15px;
    font-size: 18px;
    color: #333;
    border-left: 2px solid transparent;
}

.sidenav_section>ul>li.more>a {
    background-image: url(../images/icon8.png);
    background-repeat: no-repeat;
    background-position: 94% center;
}

.sidenav_section>ul>li.active.more>a {
    background-image: url(../images/icon8_2.png);
    background-repeat: no-repeat;
    background-position: 94% 55%;
}

.sidenav_section>ul>li.active>a,
.sidenav_section>ul>li:hover>a {
    border-left: 2px solid #0F5CAA;
    background-color: rgba(15, 92, 170, .1);
}

.sidenav_section>ul>li ul {
    display: none;
    padding: 5px 0;
    background-color: rgba(15, 92, 170, .05);
}

.sidenav_section>ul>li.active ul {
    display: block;
}

.sidenav_section>ul>li ul li a {
    padding: 0 30px;
    font-size: 14px;
    color: #333;
    line-height: 28px;
}

.sidenav_section>ul>li ul li:hover a,
.sidenav_section>ul>li ul li.active a {
    color: #0F5CAA;
}

.cont_right {
    float: right;
    width: 920px;
}

.page_title {
    border-bottom: 1px solid #DEDEDE;
    overflow: hidden;
}

.page_title h6 {
    float: left;
    font-size: 24px;
    color: #333;
    line-height: 20px;
    font-weight: normal;
    height: 34px;
    border-bottom: 3px solid #0F5CAA;
}

.introduction_text {
    margin-top: 20px;
    width: 100%;
    overflow: hidden;
}

.introduction_text,
.introduction_text p {
    font-size: 18px;
    color: #666;
    line-height: 1.7;
}

.introduction_text img,
.introduction_text p img {
    max-width: 100%;
}

.first_list {
    padding: 0;
    list-style: none;
    overflow: hidden;
}

.first_list * {
    box-sizing: initial;
}

.first_list li {
    float: left;
    padding-right: 48px;
    padding-bottom: 30px;
    margin-top: 30px;
    width: 160px;
    height: 310px;
    border-bottom: 1px dashed #DEDEDE;
    overflow: hidden;
}

.first_list li:nth-child(6n) {
    padding-right: 0;
}

.first_list li img {
    width: 100%;
    height: 225px;
}

.first_list li p {
    margin: 0 10px;
    margin-top: 13px;
    font-size: 16px;
    color: #333;
    line-height: 24px;
    text-align: center;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    /*要显示的行数*/
    overflow: hidden;
}

.first_list li:hover p {
    color: #0F5CAA;
}

.two_list,
.three_list {
    padding: 0;
    margin-top: 20px;
    list-style: none;
    overflow: hidden;
}

.two_list li,
.three_list li {
    margin-bottom: 20px;
    padding: 25px 70px;
    padding-bottom: 22px;
    padding-left: 25px;
    background: #F9FBFF;
    overflow: hidden;
}

.two_list li h6 {
    margin-bottom: 5px;
    font-size: 18px;
    color: #333;
    font-weight: normal;
    line-height: 28px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.two_list li:hover h6,
.three_list li:hover h6 {
    color: #0F5CAA;
}

.two_list li p {
    font-size: 14px;
    color: #666;
}

.two_list li p img {
    margin-right: 10px;
}

.member_btn {
    margin-top: 25px;
    width: 100%;
    overflow: hidden;
}

.member_btn a {
    display: block;
    margin: 0 auto;
    width: 240px;
    height: 50px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    line-height: 50px;
    background: #F7B80F;
}

.member_btn a img {
    position: relative;
    top: -2px;
    margin-right: 10px;
}

.three_list li {
    padding-right: 35px;
}

.three_list li h6 {
    font-size: 18px;
    color: #333;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.three_list li p {
    font-size: 14px;
    color: #666;
    line-height: 24px;
}

.three_list li p.item_text {
    margin-top: 10px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

.three_list li p.item_time {
    margin-top: 5px;
}

.four_list {
    padding: 0;
    margin-top: 20px;
    list-style: none;
    overflow: hidden;
}

.four_list li {
    font-size: 16px;
    color: #333;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.four_list li a:hover {
    color: #0F5CAA;
}