html {
    min-width: 1220px;
}

/*头部*/
.nav_box {
    width: 100%;
    height: 120px;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/nav_bg.jpg?v2) no-repeat 50% 0;
}

.nav_center {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.logo {
    float: left;
    width: 320px;
    list-style: none;
    margin-top: 38px;
}

.logo li {
    float: left;
    width: 80px;
    height: 65px;
    position: relative;
}

.logo li img {
    width: 100%;
    height: auto;
}

.logo li+li:before {
    content: "";
    width: 1px;
    height: 50px;
    background: #f0f7fe;
    position: absolute;
    left: 0;
    top: 0;
}

.logo li+li {
    margin-left: 36px;
    padding-left: 36px;
}

.nav_list {
    float: right;
    width: 500px;
    list-style: none;
    overflow: hidden;
    margin-top: 45px;
}

.nav_list li {
    float: left;
    font-size: 20px;
    color: #fff;
}

.nav_list li a {
    color: #fff;
}

.nav_list li+li {
    margin-left: 35px;
}

.nav_list li.on {
    border-bottom: 3px solid #fff;
    padding-bottom: 10px;
}

.banner {
    width: 100%;
    height: 610px;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/banner.jpg?v1) no-repeat 50% 0;
}

.all_box {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/cover_bg.jpg?v1) no-repeat 50% 0;
}

/*聚焦区*/
/* 大头条 */
.dtt {
    width: 1020px;
    margin: 0 auto;
    margin-top: 40px;
    border-radius: 10px;
    padding: 30px 10px 30px 175px;
    position: relative;
    background: linear-gradient(to right, rgba(64, 172, 253, 0) 3%, rgba(64, 172, 253, 0.86) 9%, rgba(64, 172, 253, 1) 10%, rgba(64, 172, 253, 1) 99%, rgba(64, 172, 253, 1) 100%);
}

.dtt:before {
    content: "";
    width: 152px;
    height: 163px;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/tit_i.png) no-repeat;
    position: absolute;
    top: -12px;
    left: 0;
}

.dtt .tit {
    font-size: 36px;
    color: #fff;
    font-weight: bold;
    overflow: hidden;
    line-height: 47px;
    text-align: center;
    height: 47px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.dtt .tit a {
    color: #fff;
    font-weight: bold;
}

.dtt .txt {
    /* width: 1200px; */
    font-size: 16px;
    color: #b3ddfe;
    line-height: 24px;
    margin-top: 10px;
    text-align: center;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;

}

.dtt .txt a {
    color: #b3ddfe;
}

/* part01 */
.part01 {
    width: 1200px;
    margin: 30px auto 0;
}

/* 焦点图 */
.part1-left {
    width: 717px;
    height: 451px;
    position: relative;
    float: left;
    -moz-box-shadow: 0px 4px 9px #72AEBF;
    -webkit-box-shadow: 0px 4px 9px #72AEBF;
    box-shadow: 0px 4px 9px #72AEBF;
    margin-top: 7px;
    border-radius: 10px;
}

.part1-left .arrow-left {
    background: url("https://www.news.cn/world/2023dljjbh/images/20231020jbh_part01AnLeft_v1.png") 0 0 no-repeat;
    background-size: 100%;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -45px;
    width: 34px;
    height: 73px;
    z-index: 2;
    display: none;
}

.part1-left .arrow-right {
    background: url("https://www.news.cn/world/2023dljjbh/images/20231020jbh_part01AnRight_v1.png") 0 0 no-repeat;
    background-size: 100%;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -45px;
    width: 34px;
    height: 73px;
    z-index: 2;
    display: none;
}

.part1-left:hover .arrow-left,
.part1-left:hover .arrow-right {
    display: block;
}

.part1-left .swiper-container {
    width: 717px;
    height: 451px;
    border-radius: 10px;
}

.swiper-slide {
    position: relative;
}

.part1-left .swiper-pagination {
    position: absolute;
    width: 20%;
    text-align: right;
    bottom: 10px;
    z-index: 2;
    right: 10px;
    bottom: 15px;
}

.part1-left .swiper-pagination-bullet {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: #fff;
    margin: 0 3px;
    cursor: pointer;
    opacity: 1;
}

.part1-left .swiper-pagination-bullet-active {
    background: #007aff;
    width: 24px;
    border-radius: 10px;
}

.part1-left .picTitle {
    position: relative;
    width: 717px;
    height: 451px;
    overflow: hidden;
}

.part1-left .picTitle .img img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 10px 10px 0 0;
}

.part1-left .name {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 4;
    padding: 15px 5px 15px 5px;
    width: 100%;
    font-weight: bolder;
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    background: rgba(0, 0, 0, 0.65);
}

.part1-left .name span {
    color: #fff;
    width: 85%;
    height: 30px;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: block;
    overflow: hidden;
    text-align: center;
}

.part1-left .name span a {
    color: #fff;
}

/*part01右侧蓝*/
.part1_right {
    width: 479px;
    height: 464px;
    float: right;
    overflow: hidden;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/jj_bg.png?v1) no-repeat;
}
.jj_list {
    width: 98%;
    margin: 0 auto;
}
.jj_list li {
    height: 75px;
    overflow: hidden;
    border-bottom: 1px solid #ebf0f4;
}
.jj_list li:last-child {
    border-bottom:none;
}

.jj_list li img {
    float: left;
    width: 170px;
    height: 94px;
    padding-right: 30px;
}
.jj_list li:hover {
    background: #3b9dfd;
}
.jj_list li:hover p { color: #fff;}
.jj_list li:hover p a {
    color: #fff;
}
.jj_list li p {
    width: 92%;
    margin: 0 auto;
    font-weight: bold;
    font-size: 20px;
    color: #000;
    line-height: 75px;
    overflow: hidden;
    height: 75px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.jj_list li p a {
    color: #000;
}


/*.jj_list li:hover { color:#fff; background:#3b9dfd; border-radius:10px; }
.jj_list li:hover p a { color:#fff; }*/
/* 视频播放按钮 */
.mul-play {
    position: absolute;
    width: 50px;
    height: 50px;
    bottom: 57px;
    left: 10px;
    display: none;
    cursor: pointer;
    z-index: 999;
}

.mul-play img {
    width: 100%;
    height: 100%;
}

.videoPart {
    width: 717px;
    height: 451px;
    background: #333;
    position: absolute;
    top: 40px;
    left: 40px;
    z-index: 50;
}

.videoPart video {
    width: 717px;
    height: 451px;
}

.videoPart .videoPart-close {
    width: 22px;
    height: 22px;
    position: absolute;
    top: 0;
    right: -21;
    z-index: 50;
    background: url("https://www.newsres.cn/bigbig201710101700/bundle/s1014_icon_btn_close.png") no-repeat;
    cursor: pointer;
    background-size: 100% auto;
}

/*材料前瞻*/
.ljl_bg {
    width: 100%;
    overflow: hidden;
}

.part08_con {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.djch_box {
    width: 100%;
    height: 545px;
}

.djch_nr {
    width: 1200px;
    height: 545px;
    margin: 0 auto;
}

.focusBox4 {
    width: 1200px;
    height: 545px;
    position: relative;
}

/*.focusBox4 .arrow-left4 { background: url(https://www.xinhuanet.com/world/ciie2019/images/syc_left.png) no-repeat left top; position: absolute; left: -70px; top: 200px; width: 52px; height: 52px; z-index: 2 }
.focusBox4 .arrow-right4 { background: url(https://www.xinhuanet.com/world/ciie2019/images/syc_right.png) no-repeat left bottom; position: absolute; right: -70px; top: 200px; width: 52px; height: 52px; z-index: 2 }*/
.focusBox4 .swiper-container {
    width: 1200px;
    height: 545px;
}

.swiper-slide {
    position: relative;
}

.slide_cont {
    width: 1200px;
}

.narrow_box {
    float: left;
    width: 150px;
    height: 545px;
    position: relative;
    margin-right: 14px;
    transition: all 1s;
    cursor: pointer;
    overflow: hidden;
}

.narrow_box .title {
    position: absolute;
    left: 0;
    width: 230px;
    height: 230px;
    background: linear-gradient(135deg, rgba(185, 188, 50, 1) 0%, rgba(50, 167, 189, 1) 26%, rgba(0, 87, 171, 1) 100%);
    font-size: 18px;
    color: #fff;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    padding: 40px 35px;
    z-index: 2;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    display: none;
}

.narrow_box .title a {
    color: #fff;
}

.narrow_box .title h3 {
    width: 530px;
}

.narrow_box .title p {
    width: auto;
    font-size: 14px;
    color: #fff;
    font-weight: normal;
    display: none;
    line-height: 24px;
    margin-top: 10px;
}

.narrow_box .title .info {
    width: 530px;
    height: auto;
    margin-top: 20px;
}

.narrow_box .title .info span {
    font-size: 16px;
    line-height: 30px;
    height: 30px;
    float: left;
    display: inline-block;
    border: 1px solid #fff;
    padding: 0 20px;
    color: #fff;
    margin-left: 210px;
    border-radius: 10px;
}

.narrow_box .title .info i {
    font-size: 16px;
    line-height: 30px;
    height: 30px;
    width: auto;
    float: right;
    display: none;
}

.narrow_box .img {
    position: absolute;
    left: 0;
    width: 230px;
    height: 570px;
    top: 0;
}

.narrow_box .img img {
    width: auto;
    height: 100%;
}

.narrow_box.on {
    width: 530px;
    height: 545px;
}

.narrow_box.on .title {
    display: block;
}

.narrow_box.on .img {
    position: absolute;
    left: 0;
    width: 530px;
    height: 259px;
    top: 0\9;
}

.narrow_box.on .img img {
    width: 530px;
    height: 312px;
    border-radius: 10px 10px 0 0;
}

.narrow_box.on .title {
    width: 100%;
    height: 240px;
    position: absolute;
    left: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0, 78, 241, 1) 0%, rgba(2, 209, 214, 1) 100%);
    font-size: 24px;
    color: #fff;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    padding: 20px 20px 20px 20px;
}

.narrow_box.on .title p {
    display: block;
}

.lmt {
    width: 1370px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    margin-top: 80px;
}

.more {
    font-size: 16px;
    color: #333;
    width: 1200px;
    text-align: right;
    margin: 0 auto;
    margin-top: 0;
    margin-bottom: 15px;
}

.more a {
    color: #333;
}

/*材料观察*/
.rmh_box {
    width: 1200px;
    height: auto;
    margin: 0 auto;
}

.rmh_big_pic {
    height: 390px;
    position: relative;
}

.rmh_big_pic .text {
    width: 503px;
    height: 245px;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/clgc_vover.png) no-repeat;
    position: absolute;
    left: 8px;
    top: 18px;
    z-index: 5;
    padding: 60px 40px 96px 40px;
}

.rmh_big_pic .text h2 {
    font-size: 25px;
    color: #fff;
    line-height: 30px;
    text-align: center;
}

.rmh_big_pic .text h2 a {
    color: #fff;
}

.rmh_big_pic .text p {
    font-size: 16px;
    color: #fff;
    line-height: 28px;
    margin-top: 20px;
}

.rmh_big_pic .img {
    width: 670px;
    height: 390px;
    position: absolute;
    right: 8px;
    top: 0;
    z-index: 1;
    border-radius: 10px;
    overflow: hidden;
    -moz-box-shadow: 0px 4px 9px #72AEBF;
    -webkit-box-shadow: 0px 4px 9px #72AEBF;
    box-shadow: 0px 4px 9px #72AEBF;

}

.rmh_big_pic .img img {
    width: 670px;
    height: 390px;
}

.rmh_big_pic .img .bg {
    width: 100%;
    height: 54px;
    background: #000;
    opacity: 0.6;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
}

.rmh_big_pic .img .tit {
    width: 96%;
    height: 54px;
    line-height: 54px;
    font-size: 18px;
    color: #fff;
    position: absolute;
    left: 2%;
    bottom: 0;
    z-index: 10;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.rmh_big_pic .img .tit a {
    color: #fff;
}

.rmh_big_pic .wz {
    height: 160px;
    overflow: hidden;
}

.rmh_big_pic span {
    width: 174px;
    height: 34px;
    border: 1px solid #fff;
    line-height: 34px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    display: block;
    margin: 0 auto;
    margin-top: 20px;
    border-radius: 10px;
}

.rmh_big_pic span a {
    color: #fff;
}

.clgc_list {
    width: 286px;
    height: 152px;
    -moz-box-shadow: 0px 5px 5px #72AEBF;
    -webkit-box-shadow: 0px 5px 5px #72AEBF;
    box-shadow: 0px 5px 5px #72AEBF;
    margin: 0 auto;
    border-radius: 10px;
}

.clgc_list li {
    float: left;
    width: 286px;
    height: 152px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    border-radius: 10px;
}

.clgc_list li img {
    width: 286px;
    height: 152px;
}

.clgc_list li img .tit a {
    color: #fff;
}

.clgc_list li .bg {
    width: 100%;
    height: 54px;
    background: #000;
    opacity: 0.6;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
}

.clgc_list li .tit {
    width: 96%;
    height: 54px;
    line-height: 54px;
    font-size: 16px;
    color: #fff;
    position: absolute;
    left: 2%;
    bottom: 0;
    z-index: 10;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.clgc_list li .tit a {
    color: #fff;
}

.clgc_all {
    width: 1200px;
    height: 165px;
    position: relative;
    margin: 0 auto;
    margin-top: 20px;
}

.focusBox2 {
    width: 1200px;
    height: 165px;
    position: relative;
}

.focusBox2 .swiper-wrapper .swiper-slide {
    height: 152px;
}

.focusBox2 .swiper-wrapper .swiper-slide img {
    width: 100%;
    height: auto;
}

.clgc_all .swiper-button-prev {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anLeft_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -50px;
    left: -60px;
    z-index: 99;
    cursor: pointer;
}

.clgc_all .swiper-button-next {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anRight_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -50px;
    right: -60px;
    z-index: 99;
    cursor: pointer;
}

.clgc_all .swiper-pagination {
    bottom: -25px;
    left: 0;
    width: 100%;
}

.clgc_all .swiper-pagination-bullet {
    margin: 0 5px;
    background: #fff;
    opacity: 1;
}

.clgc_all .swiper-pagination-white .swiper-pagination-bullet-active {
    background: #007aff;
    width: 25px;
    border-radius: 10px;
}

/*材料百科*/
.part04 {
    width: 1200px;
    margin: 0 auto;
}

.part04_con {
    position: relative;
}

.part04 .swiper-container {
    width: 100%;
    padding-top: 0;
    padding-bottom: 50px;
}

.part04 .swiper-slide {
    width: 290px;
    height: auto;
    background: #fff;
    border-radius: 20px;
    -moz-box-shadow: 0px 4px 9px #72AEBF;
    -webkit-box-shadow: 0px 4px 9px #72AEBF;
    box-shadow: 0px 4px 9px #72AEBF;
}

.part04 .swiper-slide img {
    width: 270px;
    height: 270px;
    display: block;
    margin: 10px auto 0;
    border-radius: 15px;
}

.part04 .swiper-slide .tit {
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 0 15px;
    line-height: 30px;
}

.part04 .swiper-slide-active .tit {
    font-weight: bolder;
    font-size: 20px;
}

.part04 .swiper-button-next {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anRight_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -60px;
    right: -45px;
    z-index: 99;
    cursor: pointer;
}

.part04 .swiper-button-prev {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anLeft_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -60px;
    left: -45px;
    z-index: 99;
    cursor: pointer;
}

.swiper-pagination-bullet {
    background: #fff;
    opacity: 1;
}

.part04 .swiper-pagination-bullet-active {
    background: #007aff;
    width: 25px;
    border-radius: 10px;
}

.ad_box {
    width: 1200px;
    height: auto;
    margin: 0 auto;
    margin-top: 10px;
}

.ad_box img {
    width: 100%;
    height: auto;
}

/*材料人物*/
.tab1 {
    width: 1280px;
    margin: 0 auto;
}

.tab1 .tab_menu {
    width: 430px;
    margin: 0 auto;
    overflow: hidden;
    margin-top: 25px;
}

.tab1 .tab_menu li {
    float: left;
    width: 188px;
    height: 51px;
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/cl01_b.png) no-repeat;
    position: relative;
}

.tab1 .tab_menu li p {
    font-size: 20px;
    line-height: 51px;
    color: #fff;
    margin-left: 65px;
}

.tab1 .tab_menu li+li p {
    margin-left: 35px;
}

.tab1 .tab_menu li+li {
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/cl02_b.png) no-repeat;
    margin-left: 35px;
}

.tab1 .tab_box {
    width: 1280;
    height: auto;
}

.tab1 .tab_menu li.selected {
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/cl01_a.png) no-repeat;
    cursor: pointer;
}

.tab1 .tab_menu li+li.selected {
    background: url(https://www.news.cn/science/kjcxbyzl/clqg/images/cl02_a.png) no-repeat;
    cursor: pointer;
}

.tab1 .tab_menu li.selected p {
    color: #000;
}

.tab1 .hide {
    display: none;
}

.wl_pic {
    width: 1245px;
    height: 480px;
}

.scroll {
    position: relative;
}

.scroll .swiper-container {
    overflow: hidden;
}

.scroll .swiper-container .swiper-slide {
    padding-bottom: 50px;
}

.wl_nr {
    width: 276px;
    height: 370px;
    overflow: hidden;
    margin: 0 auto;
    border-radius: 10px;
    -moz-box-shadow: 0px 4px 9px #72AEBF;
    -webkit-box-shadow: 0px 4px 9px #72AEBF;
    box-shadow: 0px 4px 9px #72AEBF;
}

.wl_nr:hover {
    /* width: 290px; */
    height: 370px;
    background: linear-gradient(to right, rgba(0, 78, 241, 1) 0%, rgba(2, 209, 214, 1) 100%);
}

.wl_nr .img {
    width: 276px;
    height: 252px;
    margin: 0 auto;
    /* margin-top: 6px; */
}

.wl_nr .img img {
    width: 276px;
    height: 252px;
}

.wl_nr .txt {
    height: 103px;
    overflow: hidden;
    margin: 0 auto;
    padding-top: 15px;
    text-align: center;
    background: #fff;
}

.wl_nr:hover .txt {
    width: 96%;
    height: 85px;
    overflow: hidden;
    margin: 0 auto;
    padding-top: 15px;
    text-align: center;
    background: none;
}

.wl_nr .txt h3 {
    width: 96%;
    margin: 0 auto;
    font-size: 18px;
    line-height: 25px;
    color: #343434;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wl_nr .txt h3 a {
    color: #343434;
}

.wl_nr:hover .txt h3,
.wl_nr:hover .txt p {
    color: #fff;
}

.wl_nr:hover .txt h3 a {
    color: #fff;
}

.wl_nr .txt p {
    width: 96%;
    margin: 0 auto;
    font-size: 14px;
    line-height: 25px;
    color: #8a8a8a;
    margin-top: 10px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scroll .swiper-button-prev {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anLeft_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -70px;
    left: -60px;
    z-index: 99;
    cursor: pointer;
}

.scroll .swiper-button-next {
    width: 47px;
    height: 85px;
    background: url("https://www.news.cn/sports/Chengdu2023/images/20230703dyh_pcPart04anRight_v1.png") no-repeat;
    position: absolute;
    top: 50%;
    margin-top: -70px;
    right: -60px;
    z-index: 99;
    cursor: pointer;
}

.scroll .swiper-pagination {
    bottom: 0
}

.scroll .swiper-pagination-bullet {
    background: #fff;
    opacity: 1;
}

.scroll .swiper-pagination-bullet-active {
    background: #007aff;
    width: 25px;
    border-radius: 10px;
}

.foot {
    text-align: center;
    padding: 30px 0;
    font-size: 14px;
    line-height: 28px;
    color: #fff;
    background: #0365e7;
}

.h_line {
    width: 1px;
    height: 45px;
    background: #000;
    position: absolute;
    left: -20px;
    top: 5px;
}