/* 基础样式 */
* {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #000;
}
a:hover,
a:active {
  outline: none;
  color: #029bdf;
  text-decoration: none !important;
  cursor: pointer;
}


/* 公共组件样式（更多） */
.kxrs-more
{
  display: block;
  width: 100px;
  padding-right: 26px;
  color: #A99A96;
  font-size: 24px;
  font-weight: 400;
  text-align: right;
  line-height: 40px;
  font-style: italic;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/more.png) right center no-repeat;
}
.kxrs-more:hover,
.kxrs-more:active {
  outline: none;
  text-decoration: none;
  color: #78829b;
  text-decoration: none !important;
  cursor: pointer;
}


/* 横幅模块样式（包括：导航栏、展示区、落款区） */
.banner-container {
  position: relative;
}

.banner-navbar {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
}
.navbar-nav .nav-item {
  display: grid;
  align-items: center;
  padding: 10px 5px;
}
.navbar-nav .nav-item .nav-line {
  width: 2px;
  height: 40px; 
  background: linear-gradient(
    to bottom, 
    rgba(255, 255, 255, 0) 0%,   /* 顶部透明 */
    rgba(255, 255, 255, 1) 50%,  /* 中间纯白 */
    rgba(255, 255, 255, 0) 100%  /* 底部透明 */
  );
}
.navbar-light .nav-link
{
	min-width: 100px;
	margin-left: 4px;
  margin-right: 4px;
	font-size: 20px;
}
.navbar-light .navbar-nav .active>.nav-link,
.navbar-light .navbar-nav .nav-link,
.navbar-light .navbar-nav .nav-link:hover
{
  color: #fff;
}
.navbar-expand .navbar-nav {
  height:70px;
  line-height: 70px;;
}
.navbar-expand .navbar-nav .nav-link {
  padding:0 15px;
}

.banner-display {

}
.banner-display-image {
    width: 100%; 
    object-fit: cover;
}
.banner-display-upper {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
}
.banner-display-upper-image {
  width: 100%; 
  object-fit: cover;
}

.banner-signature {
  position: absolute;
  z-index: 10;
  left: 0;
  bottom: 20px;
  width: 100%;
}
.banner-signature-text {
  text-align: right;
  color: #fff;
  font-size: 24px;
}

/* 内容模块（包括：特别推荐、《科学人生》版面阅读、藏品鉴赏、科学家面孔/瞬间、采集故事说、往期回顾） */
.section-container {
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/section.png) no-repeat top center;
  background-size: 100% auto;
}

/* 特别推荐 */
.tbtj-container-box {
  padding-top: 75px;
  height: 670px;
}

.tbtj-title-box {
  position: relative;
  margin-bottom: 38px;
}
.tbtj-title-text {

}
.tbtj-title-text img {
	height: 75px;
}
.tbtj-title-more {
  position: absolute;
  top: 17px;
  right: 0;
}

.tbtj-carousel {
  position: relative;
  height: 400px;
  overflow: hidden;
}
.tbtj-carousel .carousel-item {
  height: 400px;
  overflow: hidden;
}
.tbtj-carousel .carousel-item img {
  width: 100%;
  height: 100%;
  text-align: center;
  object-fit: cover;
}
.tbtj-carousel .carousel-title {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 10px 52px;
  text-align: center;
  font-size: 24px;
  line-height: 40px;
  color: #FFFFFF;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  background: rgba(0, 0, 0, .4);
}
.tbtj-carousel .carousel-indicators {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0;
  margin: 0;
  padding: 0;
}
.tbtj-carousel .carousel-indicators .control-prev,
.tbtj-carousel .carousel-indicators .control-next {
  position: absolute;
  left: 30px;
  bottom: 15px;
  width: 16px;
  height: 30px;
  border: 0 none;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/tbtj-carousel-prev.png) no-repeat center center transparent;
  background-size: auto 100%;
}
.tbtj-carousel .carousel-indicators .control-next {
  left: auto;
  right: 30px;
  background-image: url(https://statics.kjrb.com.cn/files/static/kxrs/tbtj-carousel-next.png);
}

.tbtj-list-new .list-item {
  position: relative;
  display: block;
  margin-top: 10px;
  padding: 16px 20px;
  background-color: #ffffff;
  box-shadow: 0 0 8px 0 rgba(0, 0, 0, .05);
  overflow: hidden;
}
.tbtj-list-new .list-item:first-child {
  margin-top: 0;
}
.tbtj-list-new .list-item .list-item-mark {
  position: absolute;
  top: 0;
  left: 0;
  width: 53px;
  height: 46px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/list-item-mark.png) no-repeat top left;
  background-size: 100% auto;
}
.tbtj-list-new .list-item .list-item-date {
  float: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 74px;
  height: 118px;
  color: #AC1A10;
}
.tbtj-list-new .list-item .list-item-date .day {
  display: block;
  text-align: center;
  font-size: 44px;
  line-height: 1.2;
}
.tbtj-list-new .list-item .list-item-date .year-month {
  display: block;
  text-align: center;
  font-size: 14px;
  line-height: 1.5;
}
.tbtj-list-new .list-item .list-item-title {
  display: block;
  margin-left: 94px;
  padding: 4px 0 8px;
  font-size: 20px;
  color: #262C32;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid #D8D8D8;
  overflow: hidden;
}
.tbtj-list-new .list-item .list-item-content {
  display: block;
  height: 63px;
  margin-left: 94px;
  margin-top: 8px;
  line-height: 21px;
  font-size: 14px;
  color: #687380;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.tbtj-list-normal .list-item {
  display: block;
  padding: 16px 0;
  font-size: 20px;
  color: #262C32;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid #CFC4B2;
  overflow: hidden;
}

/* 《科学人生》版面阅读 */
.bmyd-container-box {
}

.bmyd-title-box {
  position: relative;
}
.bmyd-title-text {
  text-align: center;
}
.bmyd-title-text img {
  height: 126px;
}
.bmyd-title-more {
  position: absolute;
  top: 66px;
  right: 0;
}

.bmyd-section-box {
  height: 626px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/bmyd-section.png) no-repeat top center;
  background-size: auto 100%;
  overflow: hidden;
}
.bmyd-swiper {
  position: relative;
  height: 550px;
  margin-top: 22px;
  margin-left: 20px;
  margin-right: 276px;
  padding-bottom: 60px;
}
.bmyd-swiper .swiper-slide {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.bmyd-swiper .swiper-slide .slide-image {
  display: block;
  padding: 16px 10px;
  background: #ffffff;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, .3);
}
.bmyd-swiper .swiper-slide .slide-image-inner {
  display: block;
  background: no-repeat center center;
  background-size: cover;
}
.bmyd-swiper .swiper-slide .slide-image.vertical {
  margin-left: 1%;
  width: 38%;
}
.bmyd-swiper .swiper-slide .slide-image.horizontal {
  margin-right: 1%;
  width: 58%;
}
.bmyd-swiper .swiper-slide .slide-image.vertical .slide-image-inner {
  padding-top: 150%;
}
.bmyd-swiper .swiper-slide .slide-image.horizontal .slide-image-inner {
  padding-top: 72%;
}
.bmyd-swiper .swiper-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  left: 148px;
  bottom: 0;
  width: 420px;
  height: 40px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/bmyd-swiper-line.png) no-repeat center center transparent;
  background-size: auto 2px;
}
.bmyd-swiper .swiper-button-prev,
.bmyd-swiper .swiper-button-next {
  position: static;
  width: 30px;
  height: 30px;
  margin: 0;
  padding: 0;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/bmyd-swiper-prev.png) no-repeat center center transparent;
  background-size: auto 100%;
}
.bmyd-swiper .swiper-button-prev::after,
.bmyd-swiper .swiper-button-next::after {
  content: none;
}
.bmyd-swiper .swiper-button-next {
  background-image: url(https://statics.kjrb.com.cn/files/static/kxrs/bmyd-swiper-next.png);
}

/* 科学家面孔/瞬间 */
.kxjmk-container-box {
  padding-top: 109px;
  padding-bottom: 50px;
}

.kxjmk-title-box {
  position: relative;
  margin-bottom: 42px;
}
.kxjmk-title-text {
  text-align: center;
}
.kxjmk-title-text img {
  height: 75px;
}
.kxjmk-title-more {
  position: absolute;
  top: 17px;
  right: 0;
}

.kxjmk-swiper1 {
  position: relative;
}
.kxjmk-swiper1 .swiper-slide {
  height: 354px;
  border: 1px solid #cdcdcd;
  background: #ffffff;
  overflow: hidden;
}
.kxjmk-swiper1 .swiper-slide-active {
  border: 0 none;
  background: linear-gradient(180deg, #ccb16abf 23%, #ffffff29 100%);
}
.kxjmk-swiper1 .swiper-slide a {
  display: block;
  height: 314px;
  margin: 20px 16px;
  background: no-repeat center center;
  background-size: cover;
}

.kxjmk-swiper2 {
  position: relative;
}
.kxjmk-swiper2 .swiper-slide {
  height: 150px;
  padding: 33px 160px 0;
  overflow: hidden;
}
.kxjmk-swiper2 .swiper-slide .slide-title {
  margin-bottom: 8px;
  text-align: center;
  font-size: 30px;
  color: #44494F;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.kxjmk-swiper2 .swiper-slide .slide-content {
  text-align: center;
  line-height: 30px;
  font-size: 20px;
  color: #44494F;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.kxjmk-swiper2 .swiper-navigation {
  position: absolute;
  left: 0;
  bottom: 12px;
  width: 100%;
  height: 0;
}
.kxjmk-swiper2 .swiper-button-prev,
.kxjmk-swiper2 .swiper-button-next {
  position: absolute;
  top: auto;
  left: 88px;
  bottom: 0;
  width: 42px;
  height: 42px;
  margin: 0;
  padding: 0;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/kxjmk-swiper-prev.png) no-repeat center center transparent;
  background-size: auto 100%;
}
.kxjmk-swiper2 .swiper-button-prev::after,
.kxjmk-swiper2 .swiper-button-next::after {
  content: none;
}
.kxjmk-swiper2 .swiper-button-next {
  left: auto;
  right: 88px;
  background-image: url(https://statics.kjrb.com.cn/files/static/kxrs/kxjmk-swiper-next.png);
}

/* 藏品鉴赏 */
.cpjs-container-box {
  padding-top: 59px;
}

.cpjs-title-box {
  position: relative;
}
.cpjs-title-text {
  text-align: center;
}
.cpjs-title-text img {
  height: 75px;
}
.cpjs-title-more {
  position: absolute;
  top: 17px;
  right: 0;
}

.cpjs-section-box {
  height: 563px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/cpjs-section.png) no-repeat top center;
  background-size: auto 100%;
  overflow: hidden;
}

.cpjs-list-box {
  margin: 0 -100px;
  overflow: hidden;
}

.cpjs-list-first {
  float: left;
  width: 360px;
  margin-top: 16px;
}
.cpjs-list-first .list-item {
  display: block;
}
.cpjs-list-first .list-item .list-item-title {
  display: block;
  padding: 20px 0 22px;
  font-size: 26px;
  color: #ffffff;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.cpjs-list-first .list-item .list-item-image {
  display: block;
  height: 200px;
  margin-bottom: 16px;
  background: no-repeat center center;
  background-size: cover;
}
.cpjs-list-first .list-item .list-item-content {
  display: block;
  height: 210px;
  line-height: 30px;
  font-size: 20px;
  color: #ffffff;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 7;
  overflow: hidden;
}

.cpjs-list-normal {
  margin-left: 400px;
  padding-top: 228px;
}
.cpjs-list-normal .col-md-4 {
  padding-left: 8px;
  padding-right: 8px;
}
.cpjs-list-normal .list-item {
  position: relative;
  display: block;
  height: 250px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .5);
  overflow: hidden;
}
.cpjs-list-normal .list-item .list-item-image {
  display: block;
  height: 170px;
  background: no-repeat center center;
  background-size: cover;
}
.cpjs-list-normal .list-item .list-item-title {
  display: block;
  margin: 8px 10px 0;
  font-size: 18px;
  color: #2F3232;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.cpjs-list-normal .list-item .list-item-date {
  position: absolute;
  left: 10px;
  bottom: 14px;
  font-size: 14px;
  line-height: 20px;
  color: #090909;
}
.cpjs-list-normal .list-item .list-item-btn {
  position: absolute;
  right: 10px;
  bottom: 14px;
  width: 68px;
  height: 20px;
  text-align: center;
  font-size: 14px;
  line-height: 20px;
  color: #575757;
  background: #ffffff;
}

/* 采集故事说 */
.cjgss-container-box {
  padding-top: 60px;
  padding-bottom: 40px;
}

.cjgss-title1-box {
  position: relative;
  z-index: 1;
}
.cjgss-title1-text {
  text-align: right;
}
.cjgss-title1-text img {
  height: 233px;
  margin-right: 24px;
}

.cjgss-section1-box {
  position: relative;
  height: 898px;
  margin-top: -190px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/cjgss-section1.png) no-repeat top center;
  background-size: auto 100%;
  overflow: hidden;
}
.cjgss-section1-more {
  position: absolute;
  bottom: 96px;
  right: 48px;
}

.cjgss-list {
  width: 370px;
}
.cjgss-list .list-item {
  display: block;
}
.cjgss-list .list-item .list-item-title {
  display: block;
  padding: 6px 0;
  text-align: center;
  font-size: 26px;
  color: #2F3232;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.cjgss-list .list-item .list-item-image {
  display: block;
  height: 200px;
  margin-bottom: 10px;
  background: no-repeat center center;
  background-size: cover;
}
.cjgss-list .list-item .list-item-content {
  display: block;
  height: 104px;
  line-height: 26px;
  font-size: 20px;
  color: #44494F;
}
.cjgss-list.left {
  position: absolute;
  top: 170px;
  left: 106px;
}
.cjgss-list.left .list-item .list-item-content {
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}
.cjgss-list.right {
  position: absolute;
  top: 240px;
  right: 154px;
}
.cjgss-list.right .list-item .list-item-content {
  height: 208px;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 8;
  overflow: hidden;
}

.cjgss-title2-box {
  position: relative;
  padding-top: 60px;
  margin-bottom: 30px;
}
.cjgss-title2-text {
  text-align: center;
}
.cjgss-title2-text img {
  height: 159px;
}
.cjgss-title2-more {
  position: absolute;
  top: 60px;
  right: 0;
}

.cjgss-swiper {
  position: relative;
  padding-bottom: 20px;
}
.cjgss-swiper .swiper-slide {
  position: relative;
  height: 570px;
  background: no-repeat center center;
  background-size: contain;
  background-color: #fff;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, .3);
  overflow: hidden;
  cursor: pointer;
}
.cjgss-swiper .swiper-slide .slide-link {
  display: none;
  height: 100%;
}
.cjgss-swiper .swiper-slide .slide-title {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 46px;
  padding: 0 20px;
  text-align: center;
  line-height: 46px;
  font-size: 22px;
  color: #ffffff;
  background: rgba(0, 0, 0, .4);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.cjgss-swiper .swiper-slide-active .slide-link {
  display: block;
}

/* 往期回顾 */
.wqhg-container-box {
  padding-top: 80px;
  padding-bottom: 88px;
}

.wqhg-title-box {
  position: relative;
  margin-bottom: 52px;
}
.wqhg-title-text {
  text-align: center;
}
.wqhg-title-text img {
  height: 54px;
}
.wqhg-title-more {
  position: absolute;
  top: 7px;
  right: 20px;
}

.wqhg-list-normal {
}
.wqhg-list-normal .col-md-4 {
  padding-left: 10px;
  padding-right: 10px;
}
.wqhg-list-normal .list-item {
  position: relative;
  display: block;
  height: 300px;
  margin-bottom: 32px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, .3);
  overflow: hidden;
}
.wqhg-list-normal .list-item .list-item-image {
  display: block;
  height: 200px;
  background: no-repeat center center;
  background-size: cover;
}
.wqhg-list-normal .list-item .list-item-title {
  display: block;
  margin: 10px 15px 0;
  font-size: 20px;
  color: #2F3232;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.wqhg-list-normal .list-item .list-item-date {
  position: absolute;
  left: 15px;
  bottom: 15px;
  font-size: 16px;
  line-height: 30px;
  color: #9AA5AD;
}
.wqhg-list-normal .list-item .list-item-btn {
  position: absolute;
  right: 15px;
  bottom: 15px;
  width: 80px;
  height: 30px;
  text-align: center;
  font-size: 16px;
  line-height: 30px;
  color: #575757;
  border: 1px solid #d4dde4;
  background: #ffffff;
}


/* 底部模块（包括：导航、备案） */
.footer-container{
  height: 235px;
  background: url(https://statics.kjrb.com.cn/files/static/kxrs/footer.png) no-repeat top center;
  background-size: auto 100%;
}

.footer-nav {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding-top: 30px;
}
.footer-nav-link {
  padding: 0 30px;
  font-size: 22px;
  color: #ffffff;
}

.footer-signature {
  padding-top: 40px;
  text-align: center;
  line-height: 26px;
  font-size: 14px;
  color:#ffffff;
}
.footer-signature p {
  margin: 0;
}