/* ==========================================
   现代化细节优化 v1.0
   保持主题色 #17509d 不变，仅做细节美化
   ========================================== */

/* === 全局基础优化 === */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: #333;
  line-height: 1.7;
  background: #fafbfc;
}

a {
  transition: color .25s ease, opacity .25s ease;
}

img {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

::selection {
  background: rgba(23, 80, 157, 0.15);
  color: #17509d;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: rgba(23, 80, 157, 0.35);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(23, 80, 157, 0.55);
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}

/* === 头部优化 === */
header.am-topbar,
.am-topbar {
  background: #17509d !important;
  background-color: #17509d !important;
  box-shadow: 0 2px 12px rgba(23, 80, 157, 0.15);
  position: relative;
  z-index: 10;
  min-height: 70px !important;
}

.am-topbar > .am-container {
  position: relative;
  padding-top: 16px !important;
  padding-bottom: 16px !important;
  transition: padding .3s ease;
  min-height: 70px;
}

.am-topbar .am-topbar-brand,
.am-topbar-brand {
  margin: 0;
  padding: 0;
  height: 44px;
  line-height: 44px;
  display: flex;
  align-items: center;
  float: left;
}

.am-topbar-brand a {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  height: 44px;
}

.am-topbar-brand img {
  display: block !important;
  max-height: 44px !important;
  height: auto !important;
  width: auto !important;
  transition: transform .3s ease;
  background: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  visibility: visible !important;
  opacity: 1 !important;
}

.am-topbar-brand a:hover img {
  transform: scale(1.02);
}

.wtop-r {
  margin-top: 0;
  display: flex;
  align-items: center;
  height: 44px;
  float: right;
}

.top-time {
  margin-bottom: 0;
  margin-right: 18px;
  text-align: right;
  color: rgba(255, 255, 255, 0.85);
  height: auto;
  font-size: 12px;
  font-family: Arial, sans-serif;
  letter-spacing: 0.3px;
  font-weight: 400;
  line-height: 1;
}

.wtop-r > div,
.wtop-r > a {
  transition: transform .3s ease, opacity .3s ease;
  margin-left: 10px !important;
}

.wtop-r .am-dropdown {
  margin-left: 10px;
}

.wtop-r > div:hover,
.wtop-r > a:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.am-dropdown-content {
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.04);
  padding: 12px 16px;
  min-width: 180px;
}

.am-dropdown-content p {
  font-size: 12px;
}

.am-dropdown-content p span {
  font-size: 16px !important;
  color: #17509d !important;
  font-weight: 500;
}

/* === 导航栏优化 === */
.w-nav {
  border-width: 0;
  background: #0e4080;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
}

.w-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.w-bnav .am-nav {
  position: relative;
  z-index: 2;
}

.w-bnav .am-nav > li > a {
  padding: 0 20px;
  height: 48px;
  line-height: 48px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  font-weight: 400;
  position: relative;
  transition: color .25s ease, background .25s ease;
  letter-spacing: 0.5px;
}

.w-bnav .am-nav > li > a:hover,
.w-bnav .am-nav > li.hover > a {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.w-bnav .am-nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #fff;
  transform: translateX(-50%);
  transition: width .3s ease;
}

.w-bnav .am-nav > li > a:hover::after,
.w-bnav .am-nav > li.hover > a::after {
  width: 50%;
}

.w-tcnav {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  margin-top: 0 !important;
  background: #17509d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-width: 140px;
}

.w-bnav .am-nav > li > ul.w-tcnav li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.w-bnav .am-nav > li > ul.w-tcnav li a {
  padding: 10px 18px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  font-weight: 400;
  background: transparent;
  transition: background .25s ease, color .25s ease, padding-left .25s ease;
  letter-spacing: 0.3px;
}

.w-bnav .am-nav > li > ul.w-tcnav li a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding-left: 22px;
}

.w-bnav .am-nav > li > ul.w-tcnav li:last-child {
  border-bottom: none;
}

/* === 轮播图优化 === */
.w-sli .am-slider-default .am-slides > li {
  position: relative;
}

.w-sli .am-slides > li a {
  display: block;
  overflow: hidden;
  position: relative;
}

.w-sli .am-slides > li img {
  width: 100%;
  display: block;
  transition: transform 6s ease;
}

.w-sli .am-slides > li a:hover img {
  transform: scale(1.04);
}

.am-slider-default .am-direction-nav a {
  opacity: 0.6;
  transition: opacity .3s ease, transform .3s ease;
}

.am-slider-default:hover .am-direction-nav a {
  opacity: 0.9;
}

.am-slider-default .am-direction-nav a:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* === 学校新闻区 === */
.site-news {
  position: relative;
}

.site-news::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(23,80,157,0.15), transparent);
}

.x-mess,
.x-news {
  position: relative;
  transition: transform .3s ease;
}

.x-title > h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  color: #2a2a2a;
}

.x-title > h2 a {
  color: inherit;
  transition: color .25s ease;
}

.x-title > h2 a:hover {
  color: #17509d;
}

.x-title > h4 {
  font-size: 14px;
  font-weight: 500;
  color: #888;
  background: none;
  padding-left: 0;
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.x-title > h4::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: #17509d;
  margin-top: 10px;
  transition: width .35s ease;
}

.x-title:hover > h4::after {
  width: 70px;
}

.x-mess-nr img {
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transition: transform .4s ease, box-shadow .4s ease;
}

.x-mess-nr img:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.x-mess-nrtxt {
  font-size: 14px;
  line-height: 1.85;
  color: #555;
}

.x-mess-nrtxt a {
  color: #17509d;
  margin-left: 4px;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}

.x-mess-nrtxt a:hover {
  border-bottom-color: #17509d;
}

.x-news-list li.not {
  border: none;
  border-bottom: 1px dashed #e5e5e5;
  margin: 0;
  padding: 18px 0;
  transition: padding-left .3s ease;
  position: relative;
}

.x-news-list li.not::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  width: 6px;
  height: 6px;
  background: #17509d;
  border-radius: 50%;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity .3s ease, left .3s ease;
}

.x-news-list li.not:hover {
  padding-left: 12px;
}

.x-news-list li.not:hover::before {
  opacity: 1;
  left: 0;
}

.x-news-list li time {
  font-family: Arial, sans-serif;
  color: #aaa;
  font-size: 13px;
  font-weight: 500;
  margin-right: 14px;
  letter-spacing: 0.5px;
}

.x-news-list li a {
  color: #333;
  font-weight: 500;
  font-size: 15px;
  margin-left: 0;
  transition: color .25s ease;
}

.x-news-list li a:hover {
  color: #17509d;
}

.x-news-list li p {
  padding-left: 0;
  margin-top: 10px;
  color: #888;
  font-size: 13px;
  line-height: 1.7;
}

.txtScroll-top {
  border-top: 1px solid #ececec;
  margin-top: 12px;
  padding-top: 10px;
}

.txtScroll-top .infoList li {
  height: 38px;
  line-height: 38px;
  font-size: 14px;
  transition: padding-left .25s ease;
}

.txtScroll-top .infoList li:hover {
  padding-left: 6px;
}

.txtScroll-top .infoList li time {
  margin-right: 10px;
  font-size: 12px;
  color: #bbb;
}

.txtScroll-top .infoList li a {
  color: #555;
  font-weight: normal;
  font-size: 14px;
}

.txtScroll-top .infoList li a:hover {
  color: #17509d;
}

/* === 三个信息块（site-info） === */
.site-info {
  padding: 70px 0;
  background: #fafbfc;
}

.info-dib {
  transition: transform .3s ease;
}

.info-top {
  overflow: hidden;
  background: #17509d;
  border-radius: 6px 6px 0 0;
  box-shadow: 0 6px 18px rgba(23, 80, 157, 0.12);
}

.info-top a {
  display: block;
}

.info-top .info-tit {
  background: #17509d;
  height: 96px;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.info-top .info-tit h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.info-top .info-tit span {
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0.75;
  margin-top: 4px;
}

.info-top img {
  transition: transform .5s ease, opacity .3s ease;
}

.info-top:hover img {
  transform: scale(1.06);
}

.info-list {
  background: #fff;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  border: 1px solid #f0f0f0;
  border-top: none;
  overflow: hidden;
}

.info-list li {
  background: none;
  border-bottom: 1px solid #f3f3f3;
  padding: 0;
  transition: background .25s ease;
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list li:hover {
  background: #fafbfc;
}

.info-list li a {
  padding: 14px 18px 14px 38px;
  color: #444;
  font-size: 14px;
  position: relative;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2317509d' opacity='0.5'%3E%3Cpath d='M8.59 16.59L13.17 12 8.59 7.41 10 6l6 6-6 6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 16px center;
  background-size: 14px;
  transition: color .25s ease, padding-left .25s ease;
}

.info-list li a:hover {
  color: #17509d;
  padding-left: 44px;
}

/* === 中部两张大图 === */
.site-middle {
  padding: 70px 0;
}

.mid-nr {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
  transition: box-shadow .4s ease, transform .4s ease;
}

.mid-nr:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  transform: translateY(-4px);
}

.mid-nr .mid-img {
  display: block;
  position: relative;
  overflow: hidden;
}

.mid-nr .mid-img img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .6s ease;
}

.mid-nr:hover .mid-img img {
  transform: scale(1.06);
}

.mid-nr .mid-ms {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  text-align: center;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  transition: background .3s ease;
}

.mid-nr .mid-ms h4 {
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 400;
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.85);
  opacity: 0.9;
}

.mid-nr .mid-ms h2 {
  font-size: 26px;
  color: #fff;
  margin: 0;
  font-weight: 600;
  letter-spacing: 1px;
}

.mid-nr .mid-ms::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 30px;
  width: 40px;
  height: 2px;
  background: #fff;
  transform: translateX(-50%);
  transition: width .3s ease;
}

.mid-nr:hover .mid-ms::after {
  width: 60px;
}

/* === 列表页 === */
.list-main {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.list-nav {
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
  padding: 0 20px;
  border-radius: 6px 6px 0 0;
}

.list-nav li {
  height: 54px;
  line-height: 54px;
  font-size: 16px;
  transition: color .25s ease;
}

.list-nav li a {
  padding: 0 22px;
  position: relative;
  transition: color .25s ease;
}

.list-nav li a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #17509d;
  transform: translateX(-50%);
  transition: width .3s ease;
}

.list-nav li a:hover::after,
.list-nav li.list-active a::after {
  width: 60%;
}

.list-nav li.list-active a,
.list-nav li a:hover {
  color: #17509d;
}

.list-pag {
  border-bottom: 1px solid #f0f0f0;
  padding: 14px 20px;
  font-size: 13px;
  background: #fafbfc;
}

.list-center {
  padding: 28px 20px 40px;
}

/* === 新闻列表 === */
.list-news ul {
  padding: 0 0 30px 0;
}

.list-news li {
  padding: 24px;
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 6px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.list-news li:hover {
  border-color: rgba(23, 80, 157, 0.3);
  box-shadow: 0 6px 20px rgba(23, 80, 157, 0.08);
  transform: translateY(-2px);
}

.list-news li:nth-child(2n+0) {
  background: #fafbfc;
}

.list-news li:nth-child(2n+0):hover {
  background: #fff;
}

.list-news li .list-news-nr span {
  font-size: 17px;
  font-weight: 600;
  color: #2a2a2a;
  transition: color .25s ease;
}

.list-news li .list-news-nr p {
  font-size: 14px;
  color: #888;
  line-height: 1.75;
  margin-top: 14px;
}

.list-news li a:hover .list-news-nr span {
  color: #17509d;
}

.list-news li .list-news-time {
  color: #aaa;
  font-size: 13px;
}

.list-news li .list-news-time span {
  font-size: 24px;
  color: #17509d;
  font-weight: 600;
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}

.list-news li a:hover .list-news-time {
  color: #17509d;
}

/* === 图片列表（list-imglb1/2/3） === */
.list-imglb1 li a,
.list-imglb2 li a,
.list-imglb3 li a {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #eee;
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.list-imglb1 li a:hover,
.list-imglb2 li a:hover,
.list-imglb3 li a:hover {
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.list-imglb1 li a img,
.list-imglb2 li a img,
.list-imglb3 li a img {
  border-radius: 6px 6px 0 0;
}

.list-imglb1 li h3,
.list-imglb3 li h3 {
  font-weight: 600;
  font-size: 17px;
}

.list-imglb1 li a:hover h3,
.list-imglb3 li a:hover h3 {
  color: #17509d;
}

.list-imglb1 li h3::after {
  height: 2px;
  border-radius: 1px;
}

.list-imglb2 li p {
  font-size: 15px;
  color: #333;
  font-weight: 500;
}

/* === 文字列表 === */
.list-txtlb1 li a {
  border-radius: 6px;
  padding: 24px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.list-txtlb1 li a:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: transparent;
}

.list-txtlb1 li h3 {
  font-size: 20px;
  font-weight: 600;
}

.list-txtlb1 li p {
  font-size: 13px;
  color: #888;
  line-height: 1.8;
  height: 130px;
}

.list-txtlb1 li h3::after {
  border-radius: 1px;
}

/* === 详情页 === */
.show-con-top {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 6px;
  padding: 30px 24px;
  text-align: center;
}

.show-con-top span {
  font-size: 22px;
  font-weight: 600;
  color: #2a2a2a;
  position: relative;
  display: inline-block;
  padding: 0 24px;
}

.show-con-top span::before,
.show-con-top span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 16px;
  height: 1px;
  background: #ddd;
}

.show-con-top span::before {
  left: -20px;
}

.show-con-top span::after {
  right: -20px;
}

.show-con-top p {
  font-size: 13px;
  color: #aaa;
  margin-top: 14px;
  font-family: Arial, sans-serif;
  letter-spacing: 0.5px;
}

.show-con-nr {
  font-size: 15px;
  color: #444;
  line-height: 1.9;
  margin-top: 24px;
  padding: 30px;
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 6px;
}

.show-con-nr p {
  margin: 1em 0;
}

.show-con-nr img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 14px 0;
}

.show-team-top {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 6px;
  padding: 28px 24px;
}

.show-team-top span {
  border-bottom: 2px solid #17509d;
  font-size: 22px;
  color: #2a2a2a;
  font-weight: 600;
  padding-bottom: 10px;
}

.show-team-top p {
  font-size: 16px;
  color: #666;
  margin-top: 16px;
}

.show-team-nr {
  font-size: 14px;
  color: #555;
  line-height: 1.9;
  margin-top: 20px;
  padding: 28px;
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 6px;
}

/* === 分页 === */
.pagebar {
  padding: 30px 20px 10px;
}

.pagination {
  gap: 6px;
}

.pagination a {
  border-radius: 4px;
  padding: 8px 14px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #555;
  font-size: 13px;
  transition: all .25s ease;
}

.pagination a:hover {
  color: #fff;
  background: #17509d;
  border-color: #17509d;
  transform: translateY(-1px);
}

.pagination a.page-num-current {
  color: #fff;
  background: #17509d;
  border-color: #17509d;
}

.pagination span {
  color: #999;
  padding: 8px 4px;
  font-size: 13px;
}

/* === Footer 优化 === */
.footer {
  background: linear-gradient(180deg, #2a2a2a 0%, #1f1f1f 100%);
  padding: 60px 0 40px;
  color: #999;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #17509d 0%, rgba(23,80,157,0.4) 50%, #17509d 100%);
}

.fo-nav li a {
  font-size: 14px;
  color: #ccc;
  transition: color .25s ease, padding-left .25s ease;
  display: inline-block;
}

.fo-nav li a:hover {
  color: #fff;
  padding-left: 4px;
}

.fo-nav li {
  margin-right: 28px;
}

.fo-bq {
  color: #888;
  font-size: 12px;
  line-height: 1.9;
  margin-top: 30px;
}

.fo-bq a {
  color: #aaa;
  margin: 0 4px;
  transition: color .25s ease;
}

.fo-bq a:hover {
  color: #fff;
}

.fo-lx p a {
  color: #ddd;
  font-size: 15px;
  font-weight: 500;
}

.fo-lx .fo-but a {
  color: #aaa;
  font-size: 13px;
  transition: color .25s ease, transform .25s ease;
}

.fo-lx .fo-but a:hover {
  color: #fff;
  transform: translateY(-2px);
}

.fo-lx .fo-but span {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color .25s ease, background .25s ease;
}

.fo-lx .fo-but a:hover span {
  border-color: #17509d;
  background: rgba(23, 80, 157, 0.15);
}

.fo-ewm {
  color: #aaa;
  font-size: 13px;
}

.fo-ewm img {
  border-radius: 4px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  padding: 4px;
  background: #fff;
  transition: transform .3s ease;
}

.fo-ewm img:hover {
  transform: scale(1.05);
}

.w-link {
  color: #888;
  font-size: 12px;
  line-height: 1.9;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.w-link a {
  color: #888;
  margin-right: 18px;
  transition: color .25s ease;
}

.w-link a:hover {
  color: #fff;
}

/* === 滚动条平滑滚动 === */
html {
  scroll-behavior: smooth;
}

/* === 返回顶部（如果有） === */
.fload {
  border-radius: 6px;
  overflow: hidden;
}

/* 平滑过渡 */
a, button, input, select, textarea {
  transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

/* === 首页：成果集萃模块（横向滚动，左右箭头） === */
.home-section-books {
  padding: 70px 0 90px !important;
  background: #fafbfc;
}

.home-section-learning {
  padding: 70px 0 90px !important;
  background: #fff;
}

/* 标题里的副标 */
.sec-sub {
  font-size: 18px;
  color: #999;
  font-weight: 400;
  margin-left: 8px;
  font-style: italic;
}

.sec-more.home-sec-more {
  font-size: 14px;
  color: #666;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sec-more.home-sec-more:hover {
  color: #17509d;
}

/* 头部标题与左右箭头同排 */
.home-section-books .sec-head,
.home-section-learning .sec-head {
  position: relative;
  padding-right: 0;
  display: flex;
  align-items: baseline;
}

.home-arrow {
  position: absolute;
  top: 60px;
  transform: translateY(0);
  width: 44px;
  height: 80px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #e8eaef;
  border-radius: 4px;
  color: #444;
  font-size: 28px;
  line-height: 80px;
  text-align: center;
  cursor: pointer;
  font-family: inherit;
  transition: all .25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 0;
  outline: none;
}

.home-arrow i {
  display: block;
  line-height: 78px;
}

.home-arrow:hover {
  background: #17509d;
  color: #fff;
  border-color: #17509d;
}

.home-arrow-prev {
  left: -56px;
}

.home-arrow-next {
  right: -56px;
}

/* 横向书卡 + 学习卡滚动容器 */
.home-books-row,
.home-learn-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 24px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding: 8px 0 20px;
  -webkit-overflow-scrolling: touch;
}

.home-books-row::-webkit-scrollbar,
.home-learn-row::-webkit-scrollbar {
  height: 0;
  display: none;
}

.home-books-row .home-book-card,
.home-learn-row > a {
  scroll-snap-align: start;
  flex: 0 0 calc((100% - 48px) / 3);
  box-sizing: border-box;
}

/* 单书卡 */
.home-book-card {
  display: flex !important;
  align-items: stretch;
  height: 280px;
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none !important;
  color: #333 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: all .3s ease;
}

.home-book-card:hover {
  box-shadow: 0 8px 22px rgba(23, 80, 157, 0.15);
  transform: translateY(-4px);
  border-color: #d8e3f3;
}

.home-book-cover {
  flex: 0 0 110px;
  background: #163d80;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  align-self: stretch;
}

.home-book-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.home-book-body {
  flex: 1;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-width: 0;
}

.home-book-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: #1c1f24 !important;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.home-book-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #666;
  margin: 0;
  display: -webkit-box !important;
  -webkit-box-orient: vertical !important;
  -webkit-line-clamp: 3 !important;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* 学术交流 - 图 + 文字一体卡 */
.home-learn-card {
  position: relative;
  flex: 0 0 calc((100% - 48px) / 3);
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  align-self: flex-start;
  text-decoration: none !important;
  color: #333 !important;
  transition: all .3s ease;
  min-height: 380px;
}

.home-learn-card:hover {
  box-shadow: 0 8px 22px rgba(23, 80, 157, 0.15);
  transform: translateY(-4px);
}

.home-learn-pic {
  position: relative;
  display: block;
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: #eef1f6;
}

.home-learn-pic img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .6s ease;
}

.home-learn-card:hover .home-learn-pic img {
  transform: scale(1.06);
}

.home-learn-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.home-learn-body .home-learn-title {
  color: #1c1f24 !important;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.home-learn-body .home-learn-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #666;
  margin: 0 0 12px;
  flex: 1;
  display: -webkit-box !important;
  -webkit-box-orient: vertical !important;
  -webkit-line-clamp: 3 !important;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.home-learn-body .home-learn-date {
  display: inline-flex;
  align-items: center;
  color: #999 !important;
  font-size: 12px;
}

/* 图标小点 */
.home-learn-date i,
.home-news-clock {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: -2px;
  position: relative;
}

.home-learn-date i::before,
.home-news-clock::before {
  content: "";
  position: absolute;
  width: 1.5px;
  height: 4px;
  background: currentColor;
  top: 1px;
  left: 50%;
  transform: translateX(-50%);
}

.home-learn-date i::after,
.home-news-clock::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 1.5px;
  background: currentColor;
  top: 4px;
  left: 3px;
}

/* === 移动端优化 === */
@media only screen and (max-width: 640px) {
  .am-topbar .am-container {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .am-topbar-brand img {
    max-height: 44px;
  }

  .am-topbar-brand {
    height: 50px !important;
    line-height: 50px !important;
    max-width: 60vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .am-topbar-brand .brand-text {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .wtop-r {
    display: none;
  }

  .w-nav {
    box-shadow: 0 2px 8px rgba(23, 80, 157, 0.12);
  }

  .w-bnav .am-nav > li > a {
    height: 48px;
    line-height: 48px;
    font-size: 14px;
    padding: 0 16px;
  }

  .x-title > h2 {
    font-size: 22px;
  }

  .x-title > h4 {
    font-size: 12px;
    margin-bottom: 20px;
  }

  /* 板块标题字号 + 边距 */
  .sec-head {
    margin-bottom: 24px;
  }

  .sec-head .sec-title {
    font-size: 22px;
  }

  .sec-head .sec-en {
    font-size: 11px;
    letter-spacing: 1.5px;
  }

  .sec-head .sec-more {
    font-size: 13px;
  }

  /* 双列卡片标题 */
  .home-double-cn {
    font-size: 20px;
  }

  .home-double-en {
    font-size: 11px;
    letter-spacing: 1.5px;
  }

  .home-double-link {
    font-size: 14px;
    line-height: 1.7;
  }

  .home-double-more {
    padding: 4px 12px;
    font-size: 12px;
  }

  /* 板块 padding 缩紧 */
  .home-section {
    padding: 40px 0 !important;
  }

  .home-section-news {
    padding-bottom: 50px !important;
  }

  .home-section-gray {
    padding: 50px 0 60px !important;
  }

  .home-section-books {
    padding: 40px 0 50px !important;
  }

  .home-section-learning {
    padding: 40px 0 60px !important;
  }

  .sec-sub {
    font-size: 13px;
  }

  .home-arrow {
    display: none;
  }

  /* 横向滚动容器 mobile 上改成可滑动 */
  .home-books-row,
  .home-learn-row {
    gap: 16px;
    padding: 8px 16px 14px;
    margin: 0 -16px;
    width: calc(100% + 32px);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .home-books-row .home-book-card,
  .home-learn-row .home-learn-card {
    flex: 0 0 78%;
    scroll-snap-align: start;
  }

  .home-book-cover {
    flex: 0 0 90px;
  }

  .home-book-body {
    padding: 14px 14px;
  }

  .home-book-title,
  .home-learn-body .home-learn-title {
    font-size: 14px;
  }

  .home-book-desc,
  .home-learn-body .home-learn-desc {
    font-size: 12px;
    line-height: 1.6;
  }

  .home-learn-pic {
    height: 150px;
  }

  .x-mess {
    padding: 30px 20px !important;
  }

  .x-news {
    padding: 30px 20px !important;
  }

  /* 首页新闻列表 mobile 字号 */
  .home-news-bigtit {
    font-size: 16px;
    line-height: 1.5;
  }

  .home-news-bigdate {
    font-size: 12px;
  }

  .home-news-bigtag {
    font-size: 11px;
    padding: 2px 10px;
  }

  .home-news-tit {
    font-size: 14px;
  }

  .home-news-date {
    font-size: 12px;
  }

  /* 板块3 大图标题 */
  .home-show-mask h4 {
    font-size: 20px;
  }

  .home-show-en {
    font-size: 11px;
    letter-spacing: 1.5px;
  }

  .home-show-link {
    font-size: 12px;
    padding: 5px 14px;
  }

  /* 首页两列/三列板块在 mobile 单列堆叠 */
  .home-news-row,
  .home-double-row,
  .home-show-row {
    display: flex;
    flex-wrap: wrap !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .home-news-row > [class*="am-u-"],
  .home-double-row > [class*="am-u-"],
  .home-show-row > [class*="am-u-"] {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-bottom: 16px;
    box-sizing: border-box;
  }

  .home-double,
  .home-show,
  .home-news {
    padding: 20px !important;
  }

  .home-news {
    height: auto !important;
    min-height: auto !important;
  }

  .x-mess-nrtxt {
    margin-left: 0 !important;
    width: 100% !important;
    margin-top: 20px !important;
  }

  .x-mess-nrname {
    margin-left: 0 !important;
    width: 100% !important;
  }

  .x-mess-nr img {
    position: relative !important;
    width: 100%;
    height: auto;
    display: block !important;
  }

  .x-mess-nr {
    min-height: auto !important;
  }

  .x-news-list li.not {
    padding: 14px 0;
  }

  .x-news-list li a {
    font-size: 14px;
  }

  .x-news-list li p {
    font-size: 12px;
  }

  .site-info {
    padding: 40px 0;
  }

  .info-dib {
    width: 100%;
    margin-bottom: 24px;
  }

  .info-mb {
    margin: 0 0 24px !important;
  }

  .info-top .info-tit {
    height: 80px;
  }

  .info-top .info-tit h2 {
    font-size: 18px;
  }

  .site-middle {
    padding: 30px 0;
  }

  .mid-nr .mid-ms h2 {
    font-size: 20px;
  }

  .mid-nr .mid-ms h4 {
    font-size: 12px;
    letter-spacing: 2px;
  }

  .list-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding: 0 12px;
  }

  .list-nav ul {
    display: inline-block;
  }

  .list-nav li {
    height: 46px;
    line-height: 46px;
    font-size: 14px;
  }

  .list-nav li a {
    padding: 0 14px;
  }

  .list-center {
    padding: 18px 14px 30px;
  }

  .list-news li {
    padding: 16px;
  }

  .list-news li .list-news-nr span {
    font-size: 15px;
  }

  .list-news li .list-news-nr p {
    font-size: 13px;
  }

  .list-imglb1 .am-thumbnails,
  .list-imglb2 .am-thumbnails,
  .list-imglb3 .am-thumbnails {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .list-imglb1 .am-thumbnails > li,
  .list-imglb2 .am-thumbnails > li,
  .list-imglb3 .am-thumbnails > li {
    padding: 0 0 20px 0 !important;
  }

  .list-imglb1 li a,
  .list-imglb2 li a,
  .list-imglb3 li a {
    padding: 14px;
  }

  .show-con-top,
  .show-team-top {
    padding: 20px 16px;
  }

  .show-con-top span,
  .show-team-top span {
    font-size: 18px;
  }

  .show-con-nr,
  .show-team-nr {
    padding: 20px 16px;
    font-size: 14px;
  }

  .pagination a {
    padding: 6px 10px;
    font-size: 12px;
  }

  .footer {
    padding: 36px 0 24px;
  }

  .fo-nav {
    text-align: center;
  }

  .fo-nav li {
    float: none;
    display: inline-block;
    margin: 4px 10px;
  }

  .fo-bq {
    text-align: center;
    margin-top: 20px;
  }

  .w-link {
    text-align: center;
  }

  .fo-ewm,
  .fo-lx {
    display: none !important;
  }
}

@media only screen and (min-width: 641px) and (max-width: 1024px) {
  .info-top .info-tit h2 {
    font-size: 18px;
  }

  .info-top .info-tit span {
    font-size: 11px;
  }

  .list-news li .list-news-nr span {
    font-size: 16px;
  }
}

/* === 减弱动效（可访问性） === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================
   首页新版布局 v2.0
   参考研究院风格重做
   ========================================== */

.home-main {
  background: #fafbfc;
}

.home-section {
  padding: 80px 0 !important;
  width: 100%;
  box-sizing: border-box;
}

.home-section + .home-section {
  margin-top: 0;
}

.home-section-gray {
  background: #f4f6f9 !important;
  border-top: 1px solid #ececec;
  border-bottom: 1px solid #ececec;
  padding: 100px 0 110px !important;
}

.home-section-blue {
  background: linear-gradient(135deg, #17509d 0%, #0e4080 100%);
  padding: 50px 0;
}

/* 板块 1（白底）到板块 2（灰底）之间的视觉分隔 */
.home-section-news {
  padding-bottom: 100px !important;
  position: relative;
}

.home-section-news::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 50px;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #17509d, transparent);
  opacity: 0.3;
}

/* 板块标题（参考研究院：左中文+英文 + 右更多） */
.sec-head {
  display: flex;
  align-items: baseline;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid #eaeaea;
  position: relative;
}

.sec-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 60px;
  height: 2px;
  background: #17509d;
  transition: width .3s ease;
}

.sec-head:hover::after {
  width: 100px;
}

.sec-title {
  font-size: 22px !important;
  font-weight: 600;
  color: #2a2a2a;
  margin: 0 12px 0 0 !important;
  padding: 0 !important;
  background: none !important;
  line-height: 1.2 !important;
  letter-spacing: 0.5px;
}

.sec-en {
  font-family: Arial, sans-serif;
  font-size: 13px;
  color: #999;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sec-more {
  margin-left: auto;
  font-size: 13px;
  color: #888;
  transition: color .25s ease, padding-right .25s ease;
}

.sec-more:hover {
  color: #17509d;
  padding-right: 4px;
}

.sec-more i {
  font-style: normal;
  margin-left: 2px;
  font-family: Arial;
}

/* 居中版式 */
.sec-head-center {
  justify-content: center;
  text-align: center;
  border-bottom: none;
  margin-bottom: 36px;
}

.sec-head-center::after {
  left: 50%;
  transform: translateX(-50%);
}

.sec-head-center .sec-title {
  margin: 0 0 6px 0 !important;
  display: block;
  font-size: 26px !important;
}

.sec-head-center .sec-en {
  display: block;
  text-align: center;
  margin-bottom: 8px;
}

/* 浅色（深蓝背景上） */
.sec-head-light .sec-title {
  color: #fff;
}

.sec-head-light {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.sec-head-light::after {
  background: #fff;
}

.sec-head-light .sec-en {
  color: rgba(255, 255, 255, 0.6);
}

/* 板块 1：左概况 + 右资讯（7/12 + 5/12，拉通整行） */
.home-section-news {
  background: #fff;
  position: relative;
  overflow: hidden;
}

/* 参考研究院背景水印效果 */
.home-section-news::before {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -50px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(23, 80, 157, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.home-news-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  margin: 0 -12px;
}

.home-news-left {
  position: relative;
  z-index: 2;
  flex: none;
  width: calc(58.33333333% - 24px);
  margin: 0 12px;
  box-sizing: border-box;
  max-width: none !important;
}

.home-news-right {
  position: relative;
  z-index: 2;
  flex: none;
  width: calc(41.66666667% - 24px);
  margin: 0 12px;
  box-sizing: border-box;
  max-width: none !important;
}

@media only screen and (max-width: 640px) {
  .home-news-left,
  .home-news-right {
    width: calc(100% - 24px);
  }
}

/* 大图：占左 7/12，仿参考网站 */
.home-news-bigpic {
  display: block;
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  margin-bottom: 16px;
}

.home-news-bigpic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}

.home-news-bigpic:hover img {
  transform: scale(1.05);
}

.home-news-bigmask {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 20px 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
  color: #fff;
  transition: padding-bottom .3s ease;
}

.home-news-bigpic:hover .home-news-bigmask {
  padding-bottom: 26px;
}

.home-news-bigtag {
  display: inline-block;
  font-size: 12px;
  background: #17509d;
  color: #fff;
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.home-news-bigtit {
  font-size: 18px !important;
  font-weight: 600 !important;
  color: #fff !important;
  margin: 0 0 8px !important;
  padding: 0 !important;
  background: none !important;
  line-height: 1.4 !important;
}

.home-news-bigdate {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-family: Arial, sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 右侧新闻列表（参考研究院：左小图+右标题+日期） */
.home-news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.home-news-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed #e5e5e5;
  align-items: center;
  transition: padding-left .25s ease;
}

.home-news-item:last-child {
  border-bottom: none;
}

.home-news-item:hover {
  padding-left: 6px;
}

.home-news-pic {
  flex: 0 0 130px;
  height: 90px;
  overflow: hidden;
  border-radius: 4px;
  display: block;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.home-news-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}

.home-news-item:hover .home-news-pic img {
  transform: scale(1.06);
}

.home-news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  gap: 10px;
  padding: 4px 0;
}

.home-news-tit {
  font-size: 15px;
  font-weight: 600;
  color: #2a2a2a;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s ease;
}

.home-news-tit:hover {
  color: #17509d;
}

.home-news-date {
  font-size: 12px;
  color: #aaa;
  font-family: Arial, sans-serif;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 时钟图标（CSS 绘制） */
.home-news-clock {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.2px solid #17509d;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.home-news-clock::before,
.home-news-clock::after {
  content: "";
  position: absolute;
  background: #17509d;
  left: 50%;
  top: 50%;
  transform-origin: 0 0;
}

.home-news-clock::before {
  width: 4px;
  height: 1px;
  transform: translate(0, -0.5px) rotate(45deg);
}

.home-news-clock::after {
  width: 3px;
  height: 1px;
  transform: translate(0, -0.5px) rotate(-30deg);
}

/* 板块 2：两列卡片（参考研究院：左学术动态 + 右通知公告） */
.home-double-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  margin: 0 -12px;
}

.home-double-row > .home-double-col {
  flex: none;
  width: calc(50% - 24px);
  margin: 0 12px;
  box-sizing: border-box;
  max-width: none !important;
  padding: 28px 32px 24px;
  background: #fff;
  border: 1px solid #e3eaf3;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 2px 8px rgba(23, 80, 157, 0.05);
  transition: box-shadow .3s ease, transform .3s ease;
  height: 100%;
}

@media only screen and (max-width: 640px) {
  .home-double-row > .home-double-col {
    width: calc(100% - 24px);
  }
}

/* 卡片四角的浅蓝装饰（参考研究院） */
.home-double-col::before,
.home-double-col::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #17509d;
  pointer-events: none;
  transition: width .3s ease, height .3s ease;
}

.home-double-col::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.home-double-col::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.home-double-col:hover {
  box-shadow: 0 6px 20px rgba(23, 80, 157, 0.12);
  transform: translateY(-2px);
}

.home-double-col:hover::before,
.home-double-col:hover::after {
  width: 18px;
  height: 18px;
}

/* 头部：左上英文+中文，右上 A + 更多 */
.home-double-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid #eef2f7;
  position: relative;
}

.home-double-titles {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.home-double-en {
  font-size: 11px;
  color: #999;
  font-family: Arial, sans-serif;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.home-double-cn {
  font-size: 24px !important;
  font-weight: 600 !important;
  color: #1a1a1a !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  letter-spacing: 2px;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.home-double-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #999;
  padding: 4px 0 4px 6px;
  border-radius: 2px;
  transition: color .25s ease, padding-right .25s ease;
  flex-shrink: 0;
  margin-top: 4px;
}

.home-double-more i {
  font-style: normal;
  font-family: Arial, sans-serif;
  font-size: 12px;
}

.home-double-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #17509d, #2a6fc2);
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  font-style: italic;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(23, 80, 157, 0.3);
  transition: transform .3s ease, box-shadow .3s ease;
}

.home-double-moretxt {
  font-size: 12px;
  color: #888;
  letter-spacing: 1px;
}

.home-double-more:hover {
  color: #17509d;
  padding-right: 4px;
}

.home-double-more:hover .home-double-icon {
  transform: rotate(-15deg) scale(1.1);
  box-shadow: 0 2px 6px rgba(23, 80, 157, 0.4);
}

.home-double-more:hover .home-double-moretxt {
  color: #17509d;
}

/* 列表：左细竖线 + 蓝色标题 */
.home-double-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.home-double-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0 12px 14px;
  border-bottom: 1px dashed #eef2f7;
  transition: padding-left .25s ease;
}

.home-double-item:last-child {
  border-bottom: none;
}

.home-double-item .home-double-link {
  flex: 1 1 auto;
  min-width: 0;
}

.home-double-item .home-double-date {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: #999;
  white-space: nowrap;
  transition: color .25s ease;
}

.home-double-item .home-double-date i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: -2px;
  position: relative;
}

.home-double-item .home-double-date i::before {
  content: "";
  position: absolute;
  width: 1.5px;
  height: 4px;
  background: currentColor;
  top: 1px;
  left: 50%;
  transform: translateX(-50%);
}

.home-double-item .home-double-date i::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 1.5px;
  background: currentColor;
  top: 4px;
  left: 3px;
}

.home-double-item:hover .home-double-date {
  color: #17509d;
}

/* 左侧细竖线 */
.home-double-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, #17509d, #2a6fc2);
  border-radius: 2px;
  transition: height .3s ease;
}

.home-double-item:hover {
  padding-left: 20px;
}

.home-double-item:hover::before {
  height: 60%;
}

.home-double-link {
  font-size: 15px;
  color: #17509d;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
  font-weight: 500;
}

.home-double-link:hover {
  color: #0e4080;
}

/* 板块 2：三卡片 */
.home-cards-row {
  margin: 0 -12px;
}

.home-card {
  padding: 0 12px;
}

.home-card-pic {
  display: block;
  position: relative;
  height: 200px;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.home-card-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}

.home-card-pic:hover img {
  transform: scale(1.06);
}

.home-card-pic::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}

.home-card-tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  letter-spacing: 1px;
  font-weight: 500;
  padding: 4px 10px;
  background: rgba(23, 80, 157, 0.85);
  border-radius: 2px;
}

.home-card-body {
  background: #fff;
  padding: 18px 18px 14px;
  border: 1px solid #ececec;
  border-top: none;
  border-radius: 0 0 4px 4px;
  margin-top: -1px;
}

.home-card-tit {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: #2a2a2a;
  text-align: center;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
  position: relative;
  transition: color .25s ease;
}

.home-card-tit::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 30px;
  height: 2px;
  background: #17509d;
  transform: translateX(-50%);
  transition: width .3s ease;
}

.home-card-tit:hover {
  color: #17509d;
}

.home-card-tit:hover::after {
  width: 60px;
}

.home-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.home-card-list li {
  display: flex;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px dashed #f0f0f0;
  gap: 8px;
}

.home-card-list li:last-child {
  border-bottom: none;
}

.home-card-list .dot {
  width: 5px;
  height: 5px;
  background: #17509d;
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity .25s ease, transform .25s ease;
}

.home-card-list li:hover .dot {
  opacity: 1;
  transform: scale(1.3);
}

.home-card-list a {
  flex: 1;
  font-size: 13px;
  color: #555;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .25s ease, padding-left .25s ease;
}

.home-card-list li:hover a {
  color: #17509d;
  padding-left: 3px;
}

.home-card-list time {
  font-size: 12px;
  color: #aaa;
  font-family: Arial, sans-serif;
  flex-shrink: 0;
}

/* 板块 3：两张大图 */
.home-show-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  margin: 0 -12px;
}

.home-show-row > [class*="am-u-"] {
  flex: none;
  width: calc(50% - 24px);
  margin: 0 12px;
  box-sizing: border-box;
  max-width: none !important;
}

@media only screen and (max-width: 640px) {
  .home-show-row > [class*="am-u-"] {
    width: calc(100% - 24px);
  }
}

.home-show-item {
  padding: 0;
}

.home-show-pic {
  display: block;
  position: relative;
  height: 360px;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.home-show-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}

.home-show-pic:hover img {
  transform: scale(1.05);
}

.home-show-mask {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
  color: #fff;
  transition: padding-bottom .3s ease;
}

.home-show-pic:hover .home-show-mask {
  padding-bottom: 40px;
}

.home-show-en {
  display: block;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  font-family: Arial, sans-serif;
  margin-bottom: 6px;
}

.home-show-mask h4 {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 12px;
  letter-spacing: 1px;
}

.home-show-link {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 4px 14px;
  border-radius: 2px;
  transition: background .25s ease, border-color .25s ease, color .25s ease;
}

.home-show-link i {
  font-style: normal;
  margin-left: 4px;
  transition: margin-left .25s ease;
}

.home-show-pic:hover .home-show-link {
  background: #17509d;
  border-color: #17509d;
  color: #fff;
}

.home-show-pic:hover .home-show-link i {
  margin-left: 8px;
}

/* 板块 4：快速入口 */
.home-links-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.home-link-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 28px 16px;
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: background .3s ease, transform .3s ease, border-color .3s ease;
}

.home-link-item i {
  font-size: 32px;
  color: #fff;
  transition: transform .3s ease;
}

.home-link-svg {
  width: 36px;
  height: 36px;
  color: #fff;
  transition: transform .3s ease;
}

.home-link-item span {
  font-size: 14px;
  letter-spacing: 1px;
  font-weight: 500;
}

.home-link-item:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-4px);
}

.home-link-item:hover i,
.home-link-item:hover .home-link-svg {
  transform: scale(1.1);
}

/* 文本截断辅助类 */
.am-text-truncate-2,
.am-text-truncate-3,
.am-text-truncate-4 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.am-text-truncate-2 { -webkit-line-clamp: 2; }
.am-text-truncate-3 { -webkit-line-clamp: 3; }
.am-text-truncate-4 { -webkit-line-clamp: 4; }

/* 移动端适配 */
@media only screen and (max-width: 1024px) {
  .home-news-left {
    padding-right: 15px;
  }
  .home-news-right {
    padding-left: 15px;
  }
  .home-show-pic {
    height: 280px;
  }
  .home-links-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-double-row {
    margin: 0 -10px;
  }
  .home-double-col {
    padding: 20px;
  }
  .home-double-date {
    flex: 0 0 60px;
    padding: 6px 4px;
  }
  .home-double-day {
    font-size: 20px;
  }
}

@media only screen and (max-width: 640px) {
  .home-section {
    padding: 36px 0;
  }

  .home-section-blue {
    padding: 30px 0;
  }

  .home-news-left,
  .home-news-right {
    padding: 0;
    border: none;
  }

  .home-news-left {
    margin-bottom: 24px;
  }

  .home-news-bigpic {
    height: 240px;
  }

  .home-news-list {
    height: auto;
  }

  .home-news-bigmask {
    padding: 14px 16px;
  }

  .home-news-bigtit {
    font-size: 15px !important;
  }

  .sec-title {
    font-size: 18px !important;
  }

  .sec-en {
    font-size: 11px;
  }

  .home-news-item {
    padding: 12px 0;
  }

  .home-news-pic {
    flex: 0 0 100px;
    height: 70px;
  }

  .home-news-tit {
    font-size: 14px;
  }

  .home-card {
    margin-bottom: 24px;
  }

  .home-double-col {
    margin-bottom: 20px;
    padding: 22px 18px 18px;
  }

  .home-double-cn {
    font-size: 20px !important;
  }

  .home-card-pic {
    height: 160px;
  }

  .home-card-body {
    padding: 14px;
  }

  .home-card-tit {
    font-size: 16px;
  }

  .home-show-item {
    margin-bottom: 16px;
  }

  .home-show-pic {
    height: 220px;
  }

  .home-show-mask {
    padding: 18px;
  }

  .home-show-mask h4 {
    font-size: 18px;
  }

  .home-links-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .home-link-item {
    padding: 20px 10px;
  }

  .home-link-item i {
    font-size: 24px;
  }

  .home-link-item span {
    font-size: 13px;
  }

  .sec-head-center .sec-title {
    font-size: 22px !important;
  }
}

/* ======================================================
 * 完整手机端适配（≤640px）
 * ====================================================== */
@media (max-width: 640px) {

  /* ========== 通用 ========== */
  body { font-size: 14px; }
  .am-container { padding-left: 14px; padding-right: 14px; }

  /* ========== 头部 ========== */
  .home-header-top,
  .home-header { padding: 0 14px; }
  .home-logo {
    font-size: 18px !important;
    letter-spacing: 1px !important;
    line-height: 1.2 !important;
    padding-left: 0;
  }
  .home-logo img { max-height: 36px; }

  /* ========== Banner（顶部） ========== */
  .home-banner,
  .home-swiper,
  .swiper-container,
  .slider,
  .index-banner,
  .ban {
    height: auto !important;
    min-height: 200px !important;
    max-height: 360px !important;
  }
  .home-banner img,
  .home-swiper img,
  .slider img { width: 100% !important; height: auto !important; max-height: 360px; }

  /* ========== 板块标题 ========== */
  .sec-head { margin-bottom: 20px; }
  .sec-title {
    font-size: 22px !important;
    line-height: 1.3;
  }
  .sec-sub {
    font-size: 13px;
  }
  .sec-en {
    font-size: 11px !important;
    letter-spacing: 2px !important;
  }
  .sec-more {
    font-size: 13px !important;
  }

  /* ========== 板块间距 ========== */
  .home-section {
    padding: 36px 0 !important;
  }
  .home-section-news { padding-bottom: 40px !important; }
  .home-section-gray { padding: 44px 0 50px !important; }
  .home-section-books { padding: 36px 0 44px !important; }
  .home-section-learning { padding: 36px 0 50px !important; }

  /* ========== 首页三列/两列 — 单列堆叠 ========== */
  .home-news-row,
  .home-double-row,
  .home-show-row {
    flex-wrap: wrap !important;
    margin: 0 !important;
  }

  .home-news-row > [class*="am-u-"],
  .home-double-row > [class*="am-u-"],
  .home-show-row > [class*="am-u-"] {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-bottom: 18px;
    box-sizing: border-box;
  }
  .home-news-row > [class*="am-u-"]:last-child,
  .home-double-row > [class*="am-u-"]:last-child,
  .home-show-row > [class*="am-u-"]:last-child { margin-bottom: 0; }

  /* ========== 板块1 学校资讯 ========== */
  .home-news-left,
  .home-news-right {
    padding: 0 !important;
  }
  .home-news-left { margin-bottom: 24px; }
  .home-news-image { height: 200px !important; }
  .home-news-pic-title { padding: 14px 16px !important; }
  .home-news-pic-title h4 { font-size: 16px !important; line-height: 1.5; }
  .home-news-pic-title p { font-size: 12px; -webkit-line-clamp: 2; }
  .home-news-pic-meta { font-size: 11px; }

  .home-news-head { padding: 14px 18px !important; }
  .home-news-head h4 { font-size: 16px !important; }
  .home-news-head .home-news-head-en { font-size: 10px !important; }

  .home-news-list li { padding: 12px 14px !important; }
  .home-news-list .home-news-list-title { font-size: 14px !important; }
  .home-news-list .home-news-list-desc { font-size: 12px; -webkit-line-clamp: 2; }
  .home-news-list .home-news-list-meta { font-size: 11px; }
  .home-news-tag {
    font-size: 11px !important;
    padding: 2px 8px;
  }

  /* 双列标题 */
  .home-double-cn { font-size: 18px !important; line-height: 1.3; }
  .home-double-en { font-size: 11px !important; letter-spacing: 1.5px !important; }
  .home-double-link { font-size: 13px !important; line-height: 1.7; }
  .home-double-more { font-size: 12px !important; }
  .home-double-list li { padding: 10px 0 !important; }
  .home-double-item .home-double-date { font-size: 11px !important; }

  /* 板块3 校园活动 */
  .home-show-pic,
  .home-show-item img { height: 200px !important; }
  .home-show-overlay { padding: 14px 16px !important; }
  .home-show-overlay h4 { font-size: 16px !important; }
  .home-show-detail { font-size: 12px !important; padding: 5px 12px !important; }

  /* ========== 板块4 成果集萃 / 板块5 学术交流 — 横向滚动 ========== */
  .home-books-row,
  .home-learn-row {
    margin: 0 -14px !important;
    width: calc(100% + 28px) !important;
    padding: 6px 14px 14px !important;
    gap: 14px !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scroll-snap-type: x mandatory;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .home-books-row::-webkit-scrollbar,
  .home-learn-row::-webkit-scrollbar { height: 0; display: none; }

  .home-books-row .home-book-card,
  .home-learn-row .home-learn-card {
    flex: 0 0 80% !important;
    scroll-snap-align: start;
  }

  .home-book-cover { flex: 0 0 80px !important; }
  .home-book-body { padding: 12px 14px; }
  .home-book-title,
  .home-learn-body .home-learn-title { font-size: 14px !important; }

  .home-book-desc,
  .home-learn-body .home-learn-desc {
    font-size: 12px !important;
    line-height: 1.6;
  }

  .home-learn-pic { height: 160px !important; }
  .home-learn-body { padding: 14px 16px 16px !important; }
  .home-learn-body .home-learn-date { font-size: 11px !important; }

  /* 横向滚动箭头在 mobile 上隐藏，由手指滑动 */
  .home-arrow { display: none !important; }

  /* 滚动提示 — 在 mobile 板块底部加微妙的"滑动标识" */
  .home-section-books > .am-container,
  .home-section-learning > .am-container {
    position: relative;
  }
  .home-section-books > .am-container::after,
  .home-section-learning > .am-container::after {
    content: "← 滑动查看更多 →";
    display: block;
    text-align: center;
    font-size: 11px;
    color: #888;
    margin-top: 10px;
    letter-spacing: 2px;
    opacity: 0.7;
  }

  /* ========== Footer ========== */
  .footer,
  .footer-wrap { padding: 30px 0 20px !important; }
  .footer-row {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 16px !important;
  }
  .footer-col,
  .footer-left,
  .footer-center,
  .footer-right {
    width: 100% !important;
    text-align: center !important;
    padding: 0 !important;
  }
  .footer-links {
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 8px 14px !important;
  }
  .footer-contact {
    text-align: center !important;
    padding: 0 !important;
  }
  .footer-qrcode { display: none !important; }
  .footer-copy, .footer-meta {
    font-size: 12px !important;
    line-height: 1.7 !important;
  }
  .footer-bottom { padding: 14px 0 0 !important; }
  .footer-bottom .footer-bottom-links {
    flex-wrap: wrap !important;
    justify-content: center !important;
    font-size: 12px !important;
  }
}

/* 中等屏（641-960）— 平板：堆叠两列 */
@media (max-width: 960px) and (min-width: 641px) {
  .home-news-row > [class*="am-u-"],
  .home-double-row > [class*="am-u-"],
  .home-show-row > [class*="am-u-"] {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-bottom: 18px;
  }

  .home-section { padding: 50px 0 !important; }
  .home-section-news { padding-bottom: 60px !important; }
  .home-section-gray { padding: 60px 0 70px !important; }

  .home-news-left,
  .home-news-right { padding: 0 !important; }
}