/* ========== 全局重置与基础样式 ========== */
 * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  color: #333;
  
  line-height: 1.6;
  background: url(../images/bg-body.jpg) center top no-repeat #f0f0f0;
  background-size: 1920px auto;
}
ul, li {
  list-style: none;
}
a {
  text-decoration: none;
  color: #333;
}
a:hover {

}
img {
  display: block;
  border: 0;
}
.clearfix::after {
  content: "";
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}

/* ========== 页面主体容器 ========== */
.container {
  width: 1200px;
  margin: 0 auto;
}

/* ========== 模块一：顶部横幅区 ========== */
.header-banner {
  width: 100%;
  height: 346px;
  position: relative;
  overflow: hidden;
}
.header-banner .logo-top-right {
  position: absolute;
  top: 15px;
  right: 30px;
  color: #c41230;
  font-size: 18px;
  font-weight: bold;
}
.header-banner .logo-top-right span {
  color: #666;
  font-size: 12px;
  font-weight: normal;
}
.header-banner .v-title {
  text-align: center;
  padding-top: 50px;
}
.header-banner .v-title h1 {
  font-size: 48px;
  color: #1a56db;
  letter-spacing: 2px;
}
.header-banner .v-title h1 .v-letter {
  font-size: 64px;
  color: #c41230;
  font-style: italic;
}
.header-banner .subtitle {
  text-align: center;
  font-size: 16px;
  color: #666;
  margin-top: 8px;
}
.header-banner .decor-line {
  width: 60px;
  height: 3px;
  background: #c41230;
  margin: 12px auto 0;
}

/* ========== 模块二：主内容区 - 顶部轮播+新闻 ========== */
.main-top {
  margin-top: 20px;
  margin-bottom: 40px;
}
/* 左侧轮播区 */
.main-top-left {
  position: relative;
  float: left;
  width: 730px;
}
/* 第一个轮播图：顶部大图轮播 */
.top-swiper {
  width: 100%;
  height: 410px;
  position: relative;
}
.top-swiper .swiper-slide {
  width: 100%;
  height: 410px;
}
.top-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 轮播图左右箭头 */
.swiper-button-prev1,
.swiper-button-next1 {
  position: absolute;
  z-index: 5;
  top: 200px;
  width: 20px;
  height: 41px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  --swiper-navigation-size: 16px;
  cursor: pointer;
}
.swiper-button-prev1 {
  left: -40px;
  background: url(../images/xiangzuohuadong-95b74d.png) center top no-repeat;
}
 .swiper-button-next1 {
  right: -40px;
  background: url(../images/xiangzuohuadong-d2cf6a.png) center top no-repeat;
}
.swiper-button-prev1:hover,
.swiper-button-next1:hover {
  cursor: pointer;
}

/* 轮播图下方缩略图轮播 */
.thumb-swiper-wrap {
  margin-top: 12px;
  position: relative;
}
.thumb-swiper {
  width: 100%;
  height: 99px;
}
.thumb-swiper .swiper-slide {
  width: 177px;
  height: 99px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.thumb-swiper .swiper-slide-thumb-active {
  opacity: 1;
  border: 2px solid #c41230;
}
.thumb-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 右侧新闻列表区 */
.main-top-right {
  float: right;
  width: 390px;
  height: 521px;
}
.news-list-top {
  padding: 15px 0;
  height: 521px;
  padding-top: 0;
  
}
.news-list-top li {
  padding: 18px 0;
  border-bottom: 2px dashed #b9bec3;
}

.news-list-top li:first-child {
  padding-top: 0;
}
.news-list-top li:last-child {
  border-bottom: none;
}
.news-list-top li h3 {
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 5px;
  line-height: 1.3;
}
.news-list-top li h3 a {
  color: #000;
}
.news-list-top li h3 a:hover {
}
.news-list-top li p {
  font-size: 19px;
  color: #6f6f6f;
  line-height: 1.6;
  text-align: justify;
}
.news-list-top li .source-tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 20px;
  line-height: 25px;
  color: #6f6f6f;
  position: relative;
  padding: 0 10px;
}

.news-list-top li .source-tag b{
  font-weight: normal;
  position: relative;
  z-index: 3;
}

.news-list-top li .source-tag:after{
  position: absolute;
  left: 0;
  bottom: -5px;
  z-index: 1;
  width: 100%;
  height: 15px;
  content: "";
  background-color: #f6e393;
}


/* ========== 模块三：中部内容区 - 征稿启事+微博话题 ========== */
.main-middle {
  margin-top: 20px;
  margin-bottom: 80px;
}
/* 左侧征稿启事 */
.call-for-papers {
  float: left;
  width: 795px;
  height: 351px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.call-for-papers .section-title {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  background: #3366cc;
  padding: 8px 15px;
  margin-bottom: 15px;
  border-radius: 3px 3px 0 0;
  padding-left: 38px;
  font-style: italic;
}
.mail-wrap {
  padding: 20px 46px;
}
.call-for-papers .section-title .divider {
  color: #fff;
  margin: 0 8px;
  font-weight: normal;
}
.call-for-papers p {
  color: #6f6f6f;
  font-size: 20px;
  line-height: 38px;
  margin-bottom: 15px;
  text-indent: 0;
}
.call-for-papers .email {
  color: #6f6f6f;
}

/* 右侧微博话题 */
.weibo-topic {
  float: right;
  width: 367px;
  height: 353px;
  background: url(../images/bg-weibo.png) center top no-repeat;
  padding: 30px 25px;
  padding-top: 80px;
}
.weibo-topic .topic-header {
  padding: 0 0 8px;
  margin-bottom: 10px;
}
.weibo-topic .topic-header h3 {
  font-size: 25px;
  color: #e67e22;
  font-weight: bold;
  line-height: 1.3;
}
.weibo-topic .topic-header h3::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background: #e67e22;
  margin-right: 8px;
  vertical-align: -3px;
}
.weibo-topic .topic-subtitle {
  padding: 0 0 5px;
  color: #333;
  font-size: 14px;
}

.weibo-topic .topic-subtitle img{
  display: inline-block;
  width: 18px;
  vertical-align: middle;

}

.weibo-topic .topic-subtitle span {
  display: inline-block;
  vertical-align: middle;
  margin-left: 10px;
}


.weibo-topic .topic-list {
  padding: 5px 0 0;
}
.weibo-topic .topic-list li {
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.8;
}
.weibo-topic .topic-list li .rank {
  display: inline-block;
  width: 20px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  /* background: #ccc; */
  color: #ed695c;
  font-size: 16px;
  border-radius: 3px;
  margin-right: 10px;
  vertical-align: middle;
  font-weight: bold;
}
.weibo-topic .topic-list li:nth-child(1) .rank {
  /* background: #e74c3c; */
}
.weibo-topic .topic-list li:nth-child(2) .rank {
  /* background: #e67e22; */
}
.weibo-topic .topic-list li:nth-child(3) .rank {
  /* background: #f1c40f; */
}
.weibo-topic .topic-list li .topic-title {
  vertical-align: middle;
  color: #333;
}
.weibo-topic .topic-list li .topic-hot {
  float: right;
  color: #999;
  font-size: 12px;
}
.weibo-topic .topic-list li .hot-tag {
  display: inline-block;
  width: 20px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  background: #fa9d11;
  color: #fff;
  font-size: 10px;
  border-radius: 2px;
  margin-left: 5px;
  vertical-align: middle;
}

.weibo-topic .topic-list li .new-tag {
  display: inline-block;
  width: 20px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  background: #fa597b;
  color: #fff;
  font-size: 10px;
  border-radius: 2px;
  margin-left: 5px;
  vertical-align: middle;
}

/* ========== 模块四：专家轮播区 ========== */
.expert-section {
  margin-top: 20px;
  background: #ebf6ff;
  padding: 30px 20px;
  border-radius: 12px;
  height: 530px;
  overflow: hidden;
}
.desc-wrap {
  display: none;
}
/* 第二个轮播图：专家头像轮播 */
.expert-swiper {
  width: 100%;
  padding: 35px 50px;
  position: relative;
  
}
.expert-swiper .swiper-slide {
  text-align: center;
}
.expert-swiper .expert-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto;
  overflow: hidden;
  border: 8px solid #cce5fa;
  transition: all 0.3s ease;
}
.expert-swiper .expert-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 选中的slide头像放大效果 */
.expert-swiper .swiper-slide-active .expert-avatar {
  width: 200px;
  height: 200px;
  border-color: #cce5fa;
  transform: scale(1);
  margin-top: -25px;
  margin-bottom: -25px;
  border-width: 13px;
  /* box-shadow: 0 4px 16px rgba(51, 102, 204, 0.3); */
}
.expert-swiper .swiper-button-prev2,
.expert-swiper .swiper-button-next2 {
  position: absolute;
  width: 20px;
  height: 41px;
  z-index: 5;
  background: #f0f0f0;
  color: #666;
  border-radius: 50%;
  --swiper-navigation-size: 14px;
  top: 50%;
  margin-top: -18px;
}
.expert-swiper .swiper-button-prev2 {
  left: 5px;
  background: url(../images/xiangzuohuadong-95b74d.png) center no-repeat;
}
.expert-swiper .swiper-button-next2 {
  right: 5px;
  background: url(../images/xiangzuohuadong-d2cf6a.png) center no-repeat;

}
.expert-swiper .swiper-button-prev2:hover,
.expert-swiper .swiper-button-next2:hover {
  cursor: pointer;
}

/* 专家详情展示区 */
.expert-detail {
  margin-top: 35px;
  padding: 0 30px;
}
.expert-info {
  float: left;
  width: 252px;
  height: 208px;
  margin-left: 42px;
  text-align: left;
  padding-right: 50px;
  border-right: 2px solid #b7d2e9;
  text-align: justify;
}
.expert-info .expert-name {
  font-size: 40px;
  font-weight: bold;
  color: #1f212d;
  margin-bottom: 10px;
  font-family: serif;
  height: 64px;
}
.expert-info .expert-bio {
  font-size: 16px;
  color: #6f6f6f;
  line-height: 1.6;
}
.expert-article {
  float: left;
  width: 710px;
  margin-left: 55px;
}
.expert-article h3 {
  font-size: 30px;
  height: 64px;
  font-weight: bold;
  margin-bottom: 12px;
  color: #000;
}
.expert-article h3 a {
  color: #000;
}
.expert-article h3 a:hover {
}
.expert-article .article-summary {
  font-size: 16px;
  color: #6f6f6f;
  line-height: 1.8;
}

/* ========== 模块五：新闻图文区 ========== */
.news-gallery {
  margin-top: 70px;
  overflow: hidden;
  margin-bottom: 80px;
}
/* 左侧大图新闻 */
.gallery-left {
  float: left;
  width: 594px;
  display: inline;
}
.gallery-left .news-item-big {
  display: block;
}
.gallery-left .news-item-big .news-img {
  width: 100%;
  height: 406px;
  overflow: hidden;
}
.gallery-left .news-item-big .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.gallery-left .news-item-big:hover .news-img img {
  transform: scale(1.03);
}
.gallery-left .news-item-big h3 {
  padding: 12px 15px;
  font-size: 17px;
  font-weight: bold;
  color: #000;
}
.gallery-left .news-item-big:hover h3 {
}
.gallery-left .news-date {
  padding: 0 15px 15px;
  color: #8e8e8e;
  font-size: 14px;
}

/* 右侧小图新闻网格 */
.gallery-right {
  float: right;
  width: 600px;
  display: inline;
}
.gallery-right .news-item-small {
  float: left;
  width: 290px;
  margin-bottom: 10px;
  margin-left: 10px;
}
.gallery-right .news-item-small:nth-child(2n+1) {
  margin-right: 0;
  margin-left: 0;
}
.gallery-right .news-item-small .news-img {
  width: 100%;
  height: 160px;
  overflow: hidden;
}
.gallery-right .news-item-small .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.gallery-right .news-item-small:hover .news-img img {
  transform: scale(1.05);
}
.gallery-right .news-item-small h4 {
  padding: 10px 12px;
  font-size: 17px;
  font-weight: bold;
  line-height: 1.5;
  height: 43px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.gallery-right .news-item-small h4 a {
  color: #000;
}
.gallery-right .news-item-small:hover h4 a {
  color: #c41230;
}
.gallery-right .news-date {
  padding: 0 12px 10px;
  color: #8e8e8e;
  font-size: 14px;
}

/* ========== 模块六：名家专栏横幅（全屏宽度） ========== */
.column-banner {
  width: 100%;
  margin-top: 20px;
  background: linear-gradient(90deg, #1a56db 0%, #3366cc 100%);
  padding: 15px 0;
  color: #fff;
  position: relative;
  height: 135px;
  background: url(../images/bg-c5d7f8.png) center no-repeat;
  margin-bottom: 100px;
}
.column-banner .column-inner {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.column-banner .banner-title {
  position: absolute;
  left: 0px;
  top: 18px;
  font-size: 28px;
  font-weight: bold;
  line-height: 30px;
  white-space: nowrap;
}
/* 名家列表容器 */
.column-banner .column-names-wrap {
  width: 980px;
  float: left;
  margin-left: 236px;
  margin-top: 17px;
}
.column-banner .column-names {
  font-size: 28px;
  line-height: 30px;
  color: #fff;
  text-align: left;
}
.column-banner .column-names li {
  margin-bottom: 10px;
  display: inline-block;
}
.column-banner .column-names li a {
  color: #fff;
  padding: 0 8px;
  display: inline-block;
  transition: color 0.2s;
}
.column-banner .column-names li a:hover {
  color: #ffd700;
  text-decoration: underline;
}
.column-banner .column-names .divider {
  float: left;
  color: rgba(255, 255, 255, 0.5);
  line-height: 30px;
}

/* ========== 模块七：文章列表区 ========== */
.article-list-section {
  margin-top: 20px;
  padding: 20px;
}
.article-list li {
  padding: 20px 0;
  margin-bottom: 30px;
}
.article-list li:last-child {
  border-bottom: none;
}
.article-list li h3 {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 15px;
}
.article-list li h3 a {
  color: #000;
}
.article-list li h3 a:hover {
  color: inherit;
}
.article-list li .article-source {
  font-size: 14px;
  color: #a5a5a5;
  margin-bottom: 15px;
}
.article-list li .article-summary {
  font-size: 16px;
  color: #6f6f6f;
  line-height: 2.2;
  text-align: justify;
}
.article-list li .article-summary .detail-link {
  color: inherit;
}
.article-list li .article-summary .detail-link:hover {
  text-decoration: underline;
}

/* ========== 模块八：页脚 ========== */
.footer {
  margin-top: 30px;
  padding: 60px 0;
  text-align: center;
  color: #2c2c2c;
  font-size: 14px;
  line-height: 24px;
  padding-bottom: 100px;
}
.footer p {
  margin: 5px 0;
}