/* ===================== 基础 ===================== */
:root {
  --blue: #416fc1;
  --blue-deep: #3a64b3;
  --blue-grad: linear-gradient(90deg, #3e6dbb, #4a76c4);
  --hl-grad: linear-gradient(120deg, #4b6fd6, #8a56e8);
  --purple: #9754e8;
  --orange: #f5a623;
  --band: #f2f6ff;
  --gray-bg: #f4f4f4;
  --text: #333;
  --text-light: #888;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background: #fff;
  min-width: 1200px;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.container {
  width: 1200px;
  margin: 0 auto;
}

/* ===================== 页头 ===================== */
.site-header {
  background: var(--blue) url('../images/topBg.png') no-repeat center;
  background-size: 100% 100%;
  padding: 18px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #fff;
}

.logo-emblem {
  width: 74px;
  height: 74px;
  flex: none;
}

/* logo.png 为 2x 图（1032×136），按 1/2 显示（516×68）保证整数缩放、清晰 */
.logo-img {
  width: 516px;
  height: 68px;
  display: block;
  flex: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.logo-cn {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.logo-cn em {
  font-family: "STKaiti", "KaiTi", "STKaiti", serif;
  font-style: normal;
  font-size: 34px;
  letter-spacing: 2px;
}

.logo-cn strong {
  font-size: 26px;
  letter-spacing: 4px;
  font-weight: 700;
}

.logo-en {
  font-size: 13px;
  opacity: .9;
  letter-spacing: .2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 44px;
}

.teacher-entry {
  color: #FFD78C;
  font-size: 16px;
  letter-spacing: 1px;
  transition: opacity .25s;
}

.teacher-entry:hover {
  opacity: .8;
}

.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 3px;
  width: 270px;
  height: 38px;
  overflow: hidden;
}

.search-box input[type="text"] {
  flex: 1;
  border: none;
  outline: none;
  padding: 0 14px;
  font-size: 14px;
  color: #666;
}

.search-box .search-submit {
  width: 18px;
  height: 18px;
  margin: 0 14px;
  cursor: pointer;
}

/* ===================== 导航 ===================== */
.main-nav {
  background: #fff;
  position: relative;
  z-index: 50;
}

.nav-list {
  display: flex;
  justify-content: space-between;
}

.nav-list>li {
  position: relative;
}

.nav-list>li>a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 20px;
  color: var(--blue);
  font-size: 17px;
  transition: background .25s, color .25s;
}

.nav-list>li:hover>a,
.nav-list>li.active>a {
  background: var(--blue);
  color: #fff;
}

.sub-menu {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  min-width: 130px;
  background: #fff;
  border-top: 2px solid #E9B85E;
  box-shadow: 0 8px 20px rgba(30, 60, 120, .15);
  display: none;
}

.sub-menu li a {
  display: block;
  text-align: center;
  padding: 13px 0;
  color: var(--blue);
  font-size: 15px;
  border-bottom: 1px solid #eef2fb;
  transition: background .25s, color .25s;
}

.sub-menu li a:hover {
  background: var(--blue);
  color: #fff;
}

/* ===================== 顶部 Banner ===================== */
.hero {
  position: relative;
  height: 622px;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
  display: flex;
  transition: transform .6s ease;
}

.hero-slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .25s;
}

.hero-arrow svg {
  width: 22px;
  height: 22px;
  opacity: .9;
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, .2);
}

.hero-arrow.prev {
  left: 60px;
}

.hero-arrow.next {
  right: 60px;
}

.hero-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 12px;
}

.hero-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  cursor: pointer;
  transition: background .25s, transform .25s;
}

.hero-dots i.on {
  background: #FFD78C;
  transform: scale(1.25);
}

/* ===================== 版块标题 ===================== */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 38px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 32px;
  font-weight: 700;
  color: #222;
  letter-spacing: 2px;
}

.title-icon {
  width: 41px;
  height: 41px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.title-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--text-light);
  font-size: 15px;
  transition: color .25s;
}

.more-link svg {
  width: 15px;
  height: 15px;
  display: block;
}

.more-link:hover {
  color: var(--blue);
}

/* ===================== 通知公告 ===================== */
.notice-section {
  background: var(--gray-bg) url('../images/home/tzgg-bg.png') no-repeat center;
  background-size: 100% 100%;
  padding: 64px 0 74px;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, 378px);
  justify-content: space-between;
  row-gap: 26px;
}

.notice-card {
  background: #fff url('../images/home/tzgg-item-bg.png') no-repeat center;
  background-size: 100% 100%;
  box-shadow: 0 6px 18px rgba(35, 60, 120, .08);
  display: flex;
  align-items: center;
  height: 113.27px;
  padding: 0 20px 0 10px;
}

.notice-card:hover {
  background: var(--hl-grad);
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(35, 60, 120, .14);
}

.notice-card:hover .hex-date {
  color: #fff;
  background-image: url('../images/home/tzgg-item.png');
}

.notice-card:hover .notice-title {
  color: #fff;
}

.hex-date {
  position: relative;
  flex: none;
  width: 113px;
  height: 113px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--blue);
  background: url('../images/home/tzgg-item-a.png') no-repeat center;
  background-size: 100% 100%;
}

.hex-date .day {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
}

.hex-date .ym {
  position: relative;
  z-index: 1;
  font-size: 12px;
}

.notice-title {
  font-size: 17px;
  line-height: 1.7;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===================== 综合要闻 ===================== */
.news-section {
  padding: 70px 0 76px;
}

.news-layout {
  display: flex;
  gap: 56px;
}

.news-features {
  flex: 1 1 auto;
  min-width: 0;
}

.news-feature {
  display: none;
  gap: 0;
  min-width: 0;
}

.news-feature.on {
  display: flex;
}

.news-photo {
  flex: none;
  width: 510px;
  height: 383px;
}

.news-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-feature-text {
  flex: 1 1 auto;
  width: auto;
  height: 383px;
  display: flex;
  flex-direction: column;
  padding: 23px 35px 22px;
  min-width: 0;
  background: url('../images/home/zhyw-banner-item-bg.png') no-repeat center;
  background-size: 100% 100%;
}

.news-feature-text h3 {
  font-size: 16px;
  line-height: 30px;
  font-weight: 700;
  color: #222;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature-text p {
  font-size: 15px;
  line-height: 1.9;
  color: #777;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.view-more {
  margin-top: 18px;
  color: #999;
  font-size: 14px;
  letter-spacing: 1px;
  transition: color .25s;
}

.view-more svg {
  width: 32px;
  height: 15px;
  vertical-align: middle;
  margin-right: 8px;
}

.view-more:hover {
  color: var(--blue);
}

.news-pager {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding-top: 20px;
}

.pager-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pager-btn svg {
  width: 16px;
  height: 16px;
}

.news-prev svg {
  transform: rotate(180deg);
}

.pager-num {
  color: #999;
  font-size: 14px;
}

.pager-num em {
  color: #416fc1;
  font-style: normal;
  font-size: 18px;
}

.pager-num span {
  font-size: 12px;
}

.news-list {
  flex: 0 0 377px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.news-list li {
  border-bottom: 1px dashed #e6e6e6;
}

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

.news-list a {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 14px 0;
}

.news-date {
  flex: none;
  width: 64px;
  height: 64px;
  background: var(--hl-grad);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  line-height: 1.15;
}

.news-date-m {
  font-size: 14px;
  line-height: 1;
}

.news-date-d {
  font-size: 18px;
  line-height: 1;
}

.news-date i {
  font-style: normal;
  font-size: 12px;
  width: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .7);
  transform: rotate(-24deg);
  margin: 4px 0 6px;
}

.news-item-title {
  font-size: 17px;
  line-height: 1.6;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s;
}

.news-list a:hover .news-item-title {
  color: var(--blue);
}

/* ===================== 学术交流 ===================== */
.academic-section {
  padding: 6px 0 78px;
}

.academic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.poster-card {
  background: #f5f5f5;
  transition: transform .3s;
  overflow: hidden;
}

.poster-card:hover {
  transform: translateY(-5px);
}

.poster-thumb {
  position: relative;
}

.poster-img {
  display: block;
  width: 100%;
  height: 392px;
  object-fit: cover;
}

.poster-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  background: rgba(0, 0, 0, .6);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 14px;
  box-sizing: border-box;
}

.poster-overlay span {
  font-size: 14px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.poster-info {
  padding: 14px 16px 18px;
}

.poster-info p {
  font-size: 14px;
  color: #444;
  line-height: 2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.poster-info p b {
  font-weight: 700;
  margin-right: 4px;
}

/* ===================== 快捷链接 ===================== */
.quick-section {
  background: var(--band);
  padding: 60px 0 66px;
}

.quick-list {
  display: flex;
  justify-content: space-between;
}

.quick-list li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hex-icon {
  width: 109px;
  height: 120px;
  background: url('../images/home/lan.png') no-repeat center;
  background-size: 100% 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s, background .3s;
}

.hex-icon svg {
  width: 54px;
  height: 54px;
}

.hex-icon img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.quick-list a:hover .hex-icon {
  transform: translateY(-6px) scale(1.05);
  background-image: url('../images/home/lan_a.png');
}

.quick-label {
  font-size: 16px;
  color: #000;
  letter-spacing: 1px;
}

/* ===================== 友情链接 ===================== */
.friend-links {
  margin: 44px auto 46px;
  border: 1px solid #d8e2f5;
  display: flex;
  align-items: stretch;
  height: 52px;
}

.friend-label {
  flex: none;
  background: url('../images/home/yqlj-bg.png') no-repeat;
  background-size: 100% 100%;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 34px;
  font-size: 16px;
  letter-spacing: 2px;
}

.friend-links ul {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.friend-links ul a {
  font-size: 15px;
  color: #555;
  transition: color .25s;
}

.friend-links ul a:hover {
  color: var(--blue);
}

/* ===================== 页脚 ===================== */
.site-footer {
  background: var(--blue);
  color: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 46px 0 40px;
  gap: 40px;
}

.footer-logo .logo-emblem {
  width: 82px;
  height: 82px;
}

.footer-contact {
  font-size: 14px;
  line-height: 2.1;
  letter-spacing: .5px;
}

.footer-qr {
  display: flex;
  align-items: stretch;
  font-size: 12px;
  line-height: 1.9;
}

.footer-qr p {
  border: 1px solid #fff;
  width: 81px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.qr-box {
  width: 96px;
  height: 96px;
  background: #fff;
  padding: 6px;
}

.qr-box img {
  width: 100%;
  height: 100%;
  display: block;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .35);
  text-align: center;
  padding: 18px 0 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
  letter-spacing: .5px;
}

/* ===================== 内页横幅 ===================== */
.page-banner {
  width: 100%;
  height: auto;
  aspect-ratio: 3840/700;
  background-size: 100% 100%;
  background-position: center top;
  background-repeat: no-repeat;
}

/* ===================== 面包屑 ===================== */
.breadcrumb {
  padding: 26px 0;
  font-size: 14px;
  color: #888;
}

.breadcrumb a {
  color: #666;
  transition: color .25s;
}

.breadcrumb a:hover {
  color: var(--blue);
}

.breadcrumb i {
  font-style: normal;
  margin: 0 6px;
  color: #bbb;
}

.breadcrumb span {
  color: #666;
}

/* ===================== 内页布局 ===================== */
.page-main {
  display: flex;
  gap: 59px;
  align-items: flex-start;
  padding-bottom: 70px;
}

/* 左侧栏 */
.sidebar {
  flex: none;
  width: 300px;
}

.sidebar-head {
  position: relative;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../images/slide-title-bg.png') center/100% 100% no-repeat;
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
  overflow: visible;
}

/* 栏目名称链接：继承白色、无下划线；右补 letter-spacing 使文案与下方菜单文案水平居中对齐 */
.sidebar-head a {
  display: block;
  color: inherit;
  text-decoration: none;
  padding-left: 6px;
}

.side-menu {
  padding: 14px 0 26px;
  width: 280px;
  margin: 0 auto;
  background: #eef3fd;
  margin-top: -10px;
}

.side-menu>li>a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 66px;
  font-size: 18px;
  color: #333;
  letter-spacing: 2px;
  padding-left: 2px;
  transition: background .25s, color .25s;
  margin: 0 11px;

}

.side-menu>li>a:hover {
  color: var(--blue);
}

.side-menu>li.active>a {
  background: linear-gradient(to right, #416FC1 0%, #5445DF 50%, #416FC1 100%);
  color: #fff;
}

/* 带箭头的父级：左侧补一个与箭头等宽的占位，使文字与不带箭头的项对齐 */
.side-toggle>a::before {
  content: "";
  width: 14px;
  flex: none;
}

.arrow {
  position: relative;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid #999;
  transition: transform .3s;
}

.arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 30px;
  height: 24px;
  transform: translate(-50%, -50%);
}

.side-toggle.open .arrow {
  transform: rotate(180deg);
}

.side-toggle.active .arrow {
  border-top-color: #fff;
}

.side-sub {
  display: none;
  padding: 6px 0 10px;
}

.side-toggle.open .side-sub {
  display: block;
}

.side-sub li a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  font-size: 15px;
  color: #333;
  letter-spacing: 1px;
}

.side-sub li a::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--blue);
}

.side-sub li a:hover {
  color: var(--blue);
}

/* 右侧文章列表 */
.list-content {
  flex: 1;
  min-width: 0;
}

.article-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  height: 64px;
  padding: 0 34px;
  font-size: 16px;
  color: #333;
  background: #f0f5ff;
  margin-bottom: 12px;
}

.article-list li a:hover {
  background: linear-gradient(120deg, #4b6fd6, #5a48dd);
  color: #fff;
}

.article-list .tit {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-list .date {
  flex: none;
  color: #999;
  font-size: 14px;
}

.article-list li a:hover .date {
  color: rgba(255, 255, 255, .85);
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}

.pagination .total {
  font-size: 14px;
  color: #888;
  margin-right: 10px;
}

.page-btn {
  min-width: 34px;
  height: 32px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #ddd;
  font-size: 14px;
  color: #666;
  background: #fff;
  transition: all .25s;
}

.page-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.page-btn.current {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

/* ===================== 文章详情 ===================== */
.detail-rule {
  height: 2px;
  background: linear-gradient(to right, #416FC1 0%, #5445DF 50%, #416FC1 100%);
}

.detail-title {
  margin: 30px 0 0;
  font-size: 26px;
  font-weight: 700;
  color: #1c1c1c;
  text-align: center;
  line-height: 1.55;
}

.detail-meta {
  margin: 26px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  color: #a0a0a0;
}

.detail-body {
  margin-top: 34px;
  font-size: 16px;
  line-height: 2;
  color: #333;
  text-align: justify;
}

.detail-body p {
  margin: 0 0 14px;
  text-indent: 2em;
}

.detail-body p:last-child {
  margin-bottom: 0;
}

/* 配图（迎新志愿者培训大会宣传页） */
.detail-figure {
  margin: 26px auto;
  width: 56%;
}

.poster {
  position: relative;
  aspect-ratio: 871/485;
  background: linear-gradient(120deg, #fafcfe 0%, #eef4fa 100%);
  border: 1px solid #e8eef7;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.poster-title {
  font-size: 20px;
  font-weight: 700;
  color: #1c1c1c;
  line-height: 1.6;
  letter-spacing: 1px;
  text-align: center;
}

.poster-leaf {
  position: absolute;
  width: 74px;
  height: 60px;
}

.poster-leaf.tl {
  top: 16px;
  left: 18px;
}

.poster-leaf.br {
  bottom: 14px;
  right: 16px;
  transform: rotate(180deg);
}

.poster-logo {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 44px;
  height: 44px;
}

.poster-seal {
  position: absolute;
  bottom: 14px;
  left: 20px;
  width: 62px;
  height: 62px;
  opacity: .92;
}

/* 上一篇 / 下一篇（参考经贸：整行可点击） */
.detail-nav {
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid #e5e5e5;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nav-article {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(99, 113, 132, 1);
  text-decoration: none;
}

.nav-article:hover {
  color: var(--blue);
  text-decoration: underline;
}

.nav-icon {
  flex: none;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  background: url('../images/file.png') center/contain no-repeat;
}

.nav-article:hover .nav-icon {
  background-image: url('../images/file-a.png');
}

.nav-label {
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-title {
  flex: 1;
  min-width: 0;
  line-height: 1.6;
}

/* ===================== 教师名册 ===================== */
.teacher-group {
  margin-bottom: 49px;
}

.group-title {
  position: relative;
  height: 43px;
  display: flex;
  align-items: center;
  padding-left: 27px;
  background: #e8f0ff;
  font-size: 22px;
  font-weight: 700;
  color: #333;
  letter-spacing: 1px;
}

.group-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--blue);
}

.teacher-block {
  margin-top: 30px;
}

.rank-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-size: 21px;
  font-weight: 700;
  color: #333;
  line-height: 1.2;
}

.rank-icon {
  width: 28px;
  height: 28px;
  flex: none;
}

.rank-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.teacher-names {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  row-gap: 18px;
}

.teacher-names li a {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 22px;
  font-size: 17px;
  color: #666;
  transition: background .25s, color .25s;
}

.teacher-names li a:hover,
.teacher-names li a.on {
  background: var(--blue);
  color: #fff;
}

/* ===================== 测试平台 ===================== */
.platform-main {
  padding: 0 0 80px;
}

.platform-section {
  margin-bottom: 80px;
}

.platform-section:last-child {
  margin-bottom: 0;
}

.sec-label {
  width: 207px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  column-gap: 26.67px;
  row-gap: 26px;
  margin-top: 22px;
}

.pcard {
  position: relative;
  display: block;
  overflow: hidden;
  background: #f2f4f8;
}

.pcard img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  transition: transform .4s ease;
}

.pcard:hover img {
  transform: scale(1.05);
}

.pcard-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .62) 55%);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .55);
}

.pcard-cap-txt {
  display: block;
  max-width: 100%;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===================== 移动端专用元素（桌面隐藏） ===================== */
.m-search-btn,
.m-menu-btn,
.page-title,
.search-modal {
  display: none;
}

/* ===================== 回到顶部（参考经贸） ===================== */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 48px;
  height: 48px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.back-to-top::before {
  content: '';
  width: 12px;
  height: 12px;
  border-top: 2px solid #666;
  border-right: 2px solid #666;
  transform: rotate(-45deg);
  margin-top: 4px;
  transition: border-color .3s ease;
}

.back-to-top:hover::before {
  border-top-color: #fff;
  border-right-color: #fff;
}

@media screen and (max-width:750px) {
  .back-to-top {
    right: 30px;
    bottom: 30px;
    width: 96px;
    height: 96px;
  }

  .back-to-top::before {
    width: 24px;
    height: 24px;
    border-top-width: 4px;
    border-right-width: 4px;
    margin-top: 8px;
  }
}

/* ===================== 移动端适配（仅 platform.html · ≤750 视口） ===================== */
@media screen and (max-width:750px) {
  .pg-platform {
    min-width: 0;
    width: 750px;
    margin: 0 auto;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .pg-platform .container {
    width: 100%;
  }

  /* 页头 */
  .pg-platform .site-header {
    background: var(--blue);
    padding: 0;
    height: 120px;
  }

  .pg-platform .header-inner {
    height: 120px;
    padding: 0 34px 0 25px;
  }

  .pg-platform .logo {
    gap: 20px;
  }

  .pg-platform .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-platform .logo-text {
    gap: 5px;
  }

  .pg-platform .logo-cn {
    gap: 7px;
  }

  .pg-platform .logo-cn em {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .pg-platform .logo-cn strong {
    font-size: 24px;
    letter-spacing: 3px;
  }

  .pg-platform .logo-en {
    font-size: 13px;
  }

  .pg-platform .header-right {
    gap: 38px;
  }

  .pg-platform .teacher-entry,
  .pg-platform .search-box {
    display: none;
  }

  .pg-platform .m-search-btn {
    display: block;
  }

  .pg-platform .m-search-btn img {
    width: 41px;
    height: 41px;
    display: block;
  }

  .pg-platform .m-menu-btn {
    display: block;
    position: relative;
    width: 42px;
    height: 42px;
  }

  .pg-platform .m-menu-btn i {
    position: absolute;
    left: 0;
    width: 42px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }

  .pg-platform .m-menu-btn i:nth-child(1) {
    top: 5px;
  }

  .pg-platform .m-menu-btn i:nth-child(2) {
    top: 19px;
  }

  .pg-platform .m-menu-btn i:nth-child(3) {
    top: 33px;
  }

  /* 展开后菜单按钮变为关闭按钮（参考经贸） */
  .pg-platform .m-menu-btn.open i:nth-child(1) {
    transform: translateY(14px) rotate(45deg);
  }

  .pg-platform .m-menu-btn.open i:nth-child(2) {
    opacity: 0;
  }

  .pg-platform .m-menu-btn.open i:nth-child(3) {
    transform: translateY(-14px) rotate(-45deg);
  }

  /* 搜索弹窗（参考经贸） */
  .pg-platform .search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
  }

  .pg-platform .search-modal.active {
    display: flex;
  }

  .pg-platform .search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
  }

  .pg-platform .search-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
  }

  .pg-platform .search-modal-close {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 70px;
    line-height: 1;
    cursor: pointer;
    opacity: .85;
    transition: opacity .3s;
    z-index: 10001;
  }

  .pg-platform .search-modal-close:hover {
    opacity: 1;
  }

  .pg-platform .search-modal-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 16px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
  }

  .pg-platform .searchModalInput {
    flex: 1;
    min-width: 0;
    height: 88px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 32px;
    color: #333;
    outline: none;
  }

  .pg-platform .searchModalInput::placeholder {
    color: #999;
  }

  .pg-platform .search-modal-btn {
    width: 48px;
    height: 48px;
    margin: 0 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 折叠导航 */
  .pg-platform .main-nav {
    display: none;
    background: var(--blue-deep);
    border-bottom: none;
    position: static;
  }

  .pg-platform .main-nav.open {
    display: block;
  }

  .pg-platform .nav-list {
    display: block;
  }

  .pg-platform .nav-list>li {
    position: static;
  }

  .pg-platform .nav-list>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 26px 25px;
    font-size: 28px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .pg-platform .nav-list>li:last-child>a {
    border-bottom: none;
  }

  .pg-platform .nav-list>li:hover>a,
  .pg-platform .nav-list>li.active>a {
    background: #2f5599;
    color: #fff;
  }

  /* 多级菜单（参考经贸） */
  .pg-platform .nav-list>li.has-sub>a::after {
    content: '+';
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    color: #fff;
  }

  .pg-platform .nav-list>li.has-sub.active>a::after {
    content: '−';
  }

  .pg-platform .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    display: none;
    width: auto;
    min-width: 0;
    box-shadow: none;
    background: rgba(0, 0, 0, .12);
  }

  .pg-platform .nav-list>li.has-sub.active>.sub-menu {
    display: block;
  }

  .pg-platform .sub-menu>li>a {
    display: flex;
    align-items: center;
    height: auto;
    padding: 22px 25px 22px 45px;
    font-size: 26px;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .pg-platform .sub-menu>li:last-child>a {
    border-bottom: none;
  }

  .pg-platform .sub-menu>li>a::before {
    content: '-';
    margin-right: 12px;
    color: rgba(255, 255, 255, .7);
  }

  .pg-platform .sub-menu>li>a:hover {
    background: #2f5599;
    color: #fff;
  }

  /* 内页横幅 */
  .pg-platform .page-banner {
    aspect-ratio: 1500/766;
    background-image: url('../images/detailBannerBg-phone.png') !important;
  }

  /* 面包屑 */
  .pg-platform .breadcrumb {
    height: 100px;
    display: flex;
    align-items: center;
    padding: 0 26px;
    font-size: 24px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pg-platform .breadcrumb a {
    color: #333;
  }

  .pg-platform .breadcrumb i {
    margin: 0 8px;
    color: #999;
  }

  /* 标题带 */
  .pg-platform .page-title {
    display: flex;
    align-items: center;
    margin: 0 25px;
    height: 80px;
    background: var(--blue);
    border-radius: 4px;
    padding-left: 30px;
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .pg-platform .page-title::before {
    content: "";
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    margin-right: 13px;
  }

  /* 正文：测试平台 */
  .pg-platform .platform-main {
    padding: 0 25px 73px;
  }

  .pg-platform .platform-sections {
    padding-top: 52px;
  }

  .pg-platform .platform-section {
    margin-bottom: 70px;
  }

  .pg-platform .sec-label {
    width: auto;
    display: inline-flex;
    height: 68px;
    padding: 0 55px;
    border-radius: 8px;
    font-size: 30px;
    letter-spacing: 3px;
    text-indent: 3px;
  }

  .pg-platform .sec-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 20px;
    row-gap: 20px;
    margin-top: 22px;
  }

  .pg-platform .pcard img {
    aspect-ratio: 340/313;
  }

  .pg-platform .pcard-cap {
    height: 100px;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 0 8px 17px;
    font-size: 26px;
  }

  /* 页脚 */
  .pg-platform .footer-inner {
    display: block;
    text-align: center;
    padding: 71px 0 60px;
  }

  .pg-platform .footer-logo {
    display: inline-flex;
  }

  .pg-platform .footer-logo .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-platform .footer-contact {
    margin-top: 51px;
    font-size: 26px;
    line-height: 1.75;
    letter-spacing: .5px;
  }

  .pg-platform .footer-qr {
    display: block;
    margin: 40px auto 0;
  }

  .pg-platform .footer-qr p {
    display: none;
  }

  .pg-platform .qr-box {
    width: 176px;
    height: 176px;
    padding: 10px;
    margin: 0 auto;
  }

  .pg-platform .footer-bottom {
    font-size: 22px;
    line-height: 1.7;
    padding: 26px 25px 30px;
  }
}

/* ===================== 移动端适配（仅 teacher.html · ≤750 视口） ===================== */
@media screen and (max-width:750px) {
  .pg-teacher {
    min-width: 0;
    width: 750px;
    margin: 0 auto;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .pg-teacher .container {
    width: 100%;
  }

  /* 页头 */
  .pg-teacher .site-header {
    background: var(--blue);
    padding: 0;
    height: 120px;
  }

  .pg-teacher .header-inner {
    height: 120px;
    padding: 0 34px 0 25px;
  }

  .pg-teacher .logo {
    gap: 20px;
  }

  .pg-teacher .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-teacher .logo-text {
    gap: 5px;
  }

  .pg-teacher .logo-cn {
    gap: 7px;
  }

  .pg-teacher .logo-cn em {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .pg-teacher .logo-cn strong {
    font-size: 24px;
    letter-spacing: 3px;
  }

  .pg-teacher .logo-en {
    font-size: 13px;
  }

  .pg-teacher .header-right {
    gap: 38px;
  }

  .pg-teacher .teacher-entry,
  .pg-teacher .search-box {
    display: none;
  }

  .pg-teacher .m-search-btn {
    display: block;
  }

  .pg-teacher .m-search-btn img {
    width: 41px;
    height: 41px;
    display: block;
  }

  .pg-teacher .m-menu-btn {
    display: block;
    position: relative;
    width: 42px;
    height: 42px;
  }

  .pg-teacher .m-menu-btn i {
    position: absolute;
    left: 0;
    width: 42px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }

  .pg-teacher .m-menu-btn i:nth-child(1) {
    top: 5px;
  }

  .pg-teacher .m-menu-btn i:nth-child(2) {
    top: 19px;
  }

  .pg-teacher .m-menu-btn i:nth-child(3) {
    top: 33px;
  }

  /* 展开后菜单按钮变为关闭按钮（参考经贸） */
  .pg-teacher .m-menu-btn.open i:nth-child(1) {
    transform: translateY(14px) rotate(45deg);
  }

  .pg-teacher .m-menu-btn.open i:nth-child(2) {
    opacity: 0;
  }

  .pg-teacher .m-menu-btn.open i:nth-child(3) {
    transform: translateY(-14px) rotate(-45deg);
  }

  /* 搜索弹窗（参考经贸） */
  .pg-teacher .search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
  }

  .pg-teacher .search-modal.active {
    display: flex;
  }

  .pg-teacher .search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
  }

  .pg-teacher .search-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
  }

  .pg-teacher .search-modal-close {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 70px;
    line-height: 1;
    cursor: pointer;
    opacity: .85;
    transition: opacity .3s;
    z-index: 10001;
  }

  .pg-teacher .search-modal-close:hover {
    opacity: 1;
  }

  .pg-teacher .search-modal-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 16px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
  }

  .pg-teacher .searchModalInput {
    flex: 1;
    min-width: 0;
    height: 88px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 32px;
    color: #333;
    outline: none;
  }

  .pg-teacher .searchModalInput::placeholder {
    color: #999;
  }

  .pg-teacher .search-modal-btn {
    width: 48px;
    height: 48px;
    margin: 0 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 折叠导航 */
  .pg-teacher .main-nav {
    display: none;
    background: var(--blue-deep);
    border-bottom: none;
    position: static;
  }

  .pg-teacher .main-nav.open {
    display: block;
  }

  .pg-teacher .nav-list {
    display: block;
  }

  .pg-teacher .nav-list>li {
    position: static;
  }

  .pg-teacher .nav-list>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 26px 25px;
    font-size: 28px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .pg-teacher .nav-list>li:last-child>a {
    border-bottom: none;
  }

  .pg-teacher .nav-list>li:hover>a,
  .pg-teacher .nav-list>li.active>a {
    background: #2f5599;
    color: #fff;
  }

  /* 多级菜单（参考经贸） */
  .pg-teacher .nav-list>li.has-sub>a::after {
    content: '+';
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    color: #fff;
  }

  .pg-teacher .nav-list>li.has-sub.active>a::after {
    content: '−';
  }

  .pg-teacher .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    display: none;
    width: auto;
    min-width: 0;
    box-shadow: none;
    background: rgba(0, 0, 0, .12);
  }

  .pg-teacher .nav-list>li.has-sub.active>.sub-menu {
    display: block;
  }

  .pg-teacher .sub-menu>li>a {
    display: flex;
    align-items: center;
    height: auto;
    padding: 22px 25px 22px 45px;
    font-size: 26px;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .pg-teacher .sub-menu>li:last-child>a {
    border-bottom: none;
  }

  .pg-teacher .sub-menu>li>a::before {
    content: '-';
    margin-right: 12px;
    color: rgba(255, 255, 255, .7);
  }

  .pg-teacher .sub-menu>li>a:hover {
    background: #2f5599;
    color: #fff;
  }

  /* 内页横幅 */
  .pg-teacher .page-banner {
    aspect-ratio: 1500/766;
    background-image: url('../images/detailBannerBg-phone.png') !important;
  }

  /* 面包屑 */
  .pg-teacher .breadcrumb {
    height: 100px;
    display: flex;
    align-items: center;
    padding: 0 26px;
    font-size: 24px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pg-teacher .breadcrumb a {
    color: #333;
  }

  .pg-teacher .breadcrumb i {
    margin: 0 8px;
    color: #999;
  }

  /* 标题带 */
  .pg-teacher .page-title {
    display: flex;
    align-items: center;
    margin: 0 25px;
    height: 80px;
    background: var(--blue);
    border-radius: 4px;
    padding-left: 30px;
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .pg-teacher .page-title::before {
    content: "";
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    margin-right: 13px;
  }

  /* 正文：教师名册 */
  .pg-teacher .page-main {
    display: block;
    padding-bottom: 0;
  }

  .pg-teacher .sidebar {
    display: none;
  }

  .pg-teacher .list-content {
    width: 100%;
  }

  .pg-teacher .teacher-groups {
    padding: 48px 25px 0;
  }

  .pg-teacher .teacher-group {
    margin-bottom: 55px;
  }

  .pg-teacher .group-title {
    height: 72px;
    padding-left: 20px;
    font-size: 32px;
    letter-spacing: 0;
  }

  .pg-teacher .teacher-block {
    margin-top: 42px;
  }

  .pg-teacher .rank-title {
    margin-bottom: 33px;
    gap: 10px;
    font-size: 29px;
  }

  .pg-teacher .rank-icon {
    width: 40px;
    height: 40px;
  }

  .pg-teacher .teacher-names {
    grid-template-columns: repeat(4, 1fr);
    column-gap: 55px;
    row-gap: 9px;
  }

  .pg-teacher .teacher-names li a {
    height: 80px;
    padding: 0 26px;
    font-size: 27px;
  }

  /* 页脚 */
  .pg-teacher .footer-inner {
    display: block;
    text-align: center;
    padding: 71px 0 60px;
  }

  .pg-teacher .footer-logo {
    display: inline-flex;
  }

  .pg-teacher .footer-logo .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-teacher .footer-contact {
    margin-top: 51px;
    font-size: 26px;
    line-height: 1.75;
    letter-spacing: .5px;
  }

  .pg-teacher .footer-qr {
    display: block;
    margin: 40px auto 0;
  }

  .pg-teacher .footer-qr p {
    display: none;
  }

  .pg-teacher .qr-box {
    width: 176px;
    height: 176px;
    padding: 10px;
    margin: 0 auto;
  }

  .pg-teacher .footer-bottom {
    font-size: 22px;
    line-height: 1.7;
    padding: 26px 25px 30px;
  }
}

/* ===================== 移动端适配（仅 detail.html · ≤750 视口） ===================== */
@media screen and (max-width:750px) {
  .pg-detail {
    min-width: 0;
    width: 750px;
    margin: 0 auto;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .pg-detail .container {
    width: 100%;
  }

  /* 页头 */
  .pg-detail .site-header {
    background: var(--blue);
    padding: 0;
    height: 120px;
  }

  .pg-detail .header-inner {
    height: 120px;
    padding: 0 34px 0 25px;
  }

  .pg-detail .logo {
    gap: 20px;
  }

  .pg-detail .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-detail .logo-text {
    gap: 5px;
  }

  .pg-detail .logo-cn {
    gap: 7px;
  }

  .pg-detail .logo-cn em {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .pg-detail .logo-cn strong {
    font-size: 24px;
    letter-spacing: 3px;
  }

  .pg-detail .logo-en {
    font-size: 13px;
  }

  .pg-detail .header-right {
    gap: 38px;
  }

  .pg-detail .teacher-entry,
  .pg-detail .search-box {
    display: none;
  }

  .pg-detail .m-search-btn {
    display: block;
  }

  .pg-detail .m-search-btn img {
    width: 41px;
    height: 41px;
    display: block;
  }

  .pg-detail .m-menu-btn {
    display: block;
    position: relative;
    width: 42px;
    height: 42px;
  }

  .pg-detail .m-menu-btn i {
    position: absolute;
    left: 0;
    width: 42px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }

  .pg-detail .m-menu-btn i:nth-child(1) {
    top: 5px;
  }

  .pg-detail .m-menu-btn i:nth-child(2) {
    top: 19px;
  }

  .pg-detail .m-menu-btn i:nth-child(3) {
    top: 33px;
  }

  /* 展开后菜单按钮变为关闭按钮（参考经贸） */
  .pg-detail .m-menu-btn.open i:nth-child(1) {
    transform: translateY(14px) rotate(45deg);
  }

  .pg-detail .m-menu-btn.open i:nth-child(2) {
    opacity: 0;
  }

  .pg-detail .m-menu-btn.open i:nth-child(3) {
    transform: translateY(-14px) rotate(-45deg);
  }

  /* 搜索弹窗（参考经贸） */
  .pg-detail .search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
  }

  .pg-detail .search-modal.active {
    display: flex;
  }

  .pg-detail .search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
  }

  .pg-detail .search-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
  }

  .pg-detail .search-modal-close {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 70px;
    line-height: 1;
    cursor: pointer;
    opacity: .85;
    transition: opacity .3s;
    z-index: 10001;
  }

  .pg-detail .search-modal-close:hover {
    opacity: 1;
  }

  .pg-detail .search-modal-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 16px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
  }

  .pg-detail .searchModalInput {
    flex: 1;
    min-width: 0;
    height: 88px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 32px;
    color: #333;
    outline: none;
  }

  .pg-detail .searchModalInput::placeholder {
    color: #999;
  }

  .pg-detail .search-modal-btn {
    width: 48px;
    height: 48px;
    margin: 0 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 折叠导航 */
  .pg-detail .main-nav {
    display: none;
    background: var(--blue-deep);
    border-bottom: none;
    position: static;
  }

  .pg-detail .main-nav.open {
    display: block;
  }

  .pg-detail .nav-list {
    display: block;
  }

  .pg-detail .nav-list>li {
    position: static;
  }

  .pg-detail .nav-list>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 26px 25px;
    font-size: 28px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .pg-detail .nav-list>li:last-child>a {
    border-bottom: none;
  }

  .pg-detail .nav-list>li:hover>a,
  .pg-detail .nav-list>li.active>a {
    background: #2f5599;
    color: #fff;
  }

  /* 多级菜单（参考经贸） */
  .pg-detail .nav-list>li.has-sub>a::after {
    content: '+';
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    color: #fff;
  }

  .pg-detail .nav-list>li.has-sub.active>a::after {
    content: '−';
  }

  .pg-detail .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    display: none;
    width: auto;
    min-width: 0;
    box-shadow: none;
    background: rgba(0, 0, 0, .12);
  }

  .pg-detail .nav-list>li.has-sub.active>.sub-menu {
    display: block;
  }

  .pg-detail .sub-menu>li>a {
    display: flex;
    align-items: center;
    height: auto;
    padding: 22px 25px 22px 45px;
    font-size: 26px;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .pg-detail .sub-menu>li:last-child>a {
    border-bottom: none;
  }

  .pg-detail .sub-menu>li>a::before {
    content: '-';
    margin-right: 12px;
    color: rgba(255, 255, 255, .7);
  }

  .pg-detail .sub-menu>li>a:hover {
    background: #2f5599;
    color: #fff;
  }

  /* 内页横幅 */
  .pg-detail .page-banner {
    aspect-ratio: 1500/766;
    background-image: url('../images/detailBannerBg-phone.png') !important;
  }

  /* 面包屑 */
  .pg-detail .breadcrumb {
    height: 100px;
    display: flex;
    align-items: center;
    padding: 0 26px;
    font-size: 24px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pg-detail .breadcrumb a {
    color: #333;
  }

  .pg-detail .breadcrumb i {
    margin: 0 8px;
    color: #999;
  }

  /* 标题带 */
  .pg-detail .page-title {
    display: flex;
    align-items: center;
    margin: 0 25px;
    height: 80px;
    background: var(--blue);
    border-radius: 4px;
    padding-left: 30px;
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .pg-detail .page-title::before {
    content: "";
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    margin-right: 13px;
  }

  /* 正文：文章详情 */
  .pg-detail .page-main {
    display: block;
    padding-bottom: 0;
  }

  .pg-detail .sidebar {
    display: none;
  }

  .pg-detail .list-content {
    width: 100%;
  }

  /* 用 flex 排序把装饰分隔线（DOM 中位于标题之前）移到 meta 与正文之间，贴合设计稿 */
  .pg-detail .detail {
    display: flex;
    flex-direction: column;
    padding: 0 25px 48px;
  }

  .pg-detail .detail-rule {
    order: 3;
    margin-top: 50px;
    height: 1px;
    background: #aed2ff;
  }

  .pg-detail .detail-title {
    order: 1;
    margin-top: 48px;
    font-size: 32px;
    line-height: 1.55;
  }

  .pg-detail .detail-meta {
    order: 2;
    margin-top: 42px;
    gap: 44px;
    font-size: 24px;
  }

  .pg-detail .detail-body {
    order: 4;
    margin-top: 44px;
    font-size: 28px;
    line-height: 1.93;
  }

  .pg-detail .detail-figure {
    width: 100%;
    margin: 34px auto;
  }

  .pg-detail .poster-title {
    font-size: 27px;
  }

  .pg-detail .poster-leaf {
    width: 99px;
    height: 80px;
  }

  .pg-detail .poster-leaf.tl {
    top: 21px;
    left: 24px;
  }

  .pg-detail .poster-leaf.br {
    bottom: 19px;
    right: 21px;
  }

  .pg-detail .poster-logo {
    top: 21px;
    right: 24px;
    width: 59px;
    height: 59px;
  }

  .pg-detail .poster-seal {
    bottom: 19px;
    left: 27px;
    width: 83px;
    height: 83px;
  }

  .pg-detail .detail-nav {
    order: 5;
    margin-top: 59px;
    padding-top: 43px;
    border-top: 1px solid #aed2ff;
    gap: 26px;
  }

  .pg-detail .nav-article {
    gap: 12px;
    font-size: 24px;
    line-height: 1.8;
  }

  .pg-detail .nav-icon {
    flex: none;
    width: 30px;
    height: 30px;
    margin-top: 7px;
  }

  .pg-detail .nav-title {
    line-height: 1.8;
  }

  .pg-detail .detail-body p {
    margin-bottom: 28px;
  }

  /* 页脚 */
  .pg-detail .footer-inner {
    display: block;
    text-align: center;
    padding: 71px 0 60px;
  }

  .pg-detail .footer-logo {
    display: inline-flex;
  }

  .pg-detail .footer-logo .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-detail .footer-contact {
    margin-top: 51px;
    font-size: 26px;
    line-height: 1.75;
    letter-spacing: .5px;
  }

  .pg-detail .footer-qr {
    display: block;
    margin: 40px auto 0;
  }

  .pg-detail .footer-qr p {
    display: none;
  }

  .pg-detail .qr-box {
    width: 176px;
    height: 176px;
    padding: 10px;
    margin: 0 auto;
  }

  .pg-detail .footer-bottom {
    font-size: 22px;
    line-height: 1.7;
    padding: 26px 25px 30px;
  }
}

/* ===================== 移动端适配（仅 list.html · ≤750 视口） ===================== */
@media screen and (max-width:750px) {
  .pg-list {
    min-width: 0;
    width: 750px;
    margin: 0 auto;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .pg-list .container {
    width: 100%;
  }

  /* 页头 */
  .pg-list .site-header {
    background: var(--blue);
    padding: 0;
    height: 120px;
  }

  .pg-list .header-inner {
    height: 120px;
    padding: 0 34px 0 25px;
  }

  .pg-list .logo {
    gap: 20px;
  }

  .pg-list .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-list .logo-text {
    gap: 5px;
  }

  .pg-list .logo-cn {
    gap: 7px;
  }

  .pg-list .logo-cn em {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .pg-list .logo-cn strong {
    font-size: 24px;
    letter-spacing: 3px;
  }

  .pg-list .logo-en {
    font-size: 13px;
  }

  .pg-list .header-right {
    gap: 38px;
  }

  .pg-list .teacher-entry,
  .pg-list .search-box {
    display: none;
  }

  .pg-list .m-search-btn {
    display: block;
  }

  .pg-list .m-search-btn img {
    width: 41px;
    height: 41px;
    display: block;
  }

  .pg-list .m-menu-btn {
    display: block;
    position: relative;
    width: 42px;
    height: 42px;
  }

  .pg-list .m-menu-btn i {
    position: absolute;
    left: 0;
    width: 42px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }

  .pg-list .m-menu-btn i:nth-child(1) {
    top: 5px;
  }

  .pg-list .m-menu-btn i:nth-child(2) {
    top: 19px;
  }

  .pg-list .m-menu-btn i:nth-child(3) {
    top: 33px;
  }

  /* 展开后菜单按钮变为关闭按钮（参考经贸） */
  .pg-list .m-menu-btn.open i:nth-child(1) {
    transform: translateY(14px) rotate(45deg);
  }

  .pg-list .m-menu-btn.open i:nth-child(2) {
    opacity: 0;
  }

  .pg-list .m-menu-btn.open i:nth-child(3) {
    transform: translateY(-14px) rotate(-45deg);
  }

  /* 搜索弹窗（参考经贸） */
  .pg-list .search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
  }

  .pg-list .search-modal.active {
    display: flex;
  }

  .pg-list .search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
  }

  .pg-list .search-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
  }

  .pg-list .search-modal-close {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 70px;
    line-height: 1;
    cursor: pointer;
    opacity: .85;
    transition: opacity .3s;
    z-index: 10001;
  }

  .pg-list .search-modal-close:hover {
    opacity: 1;
  }

  .pg-list .search-modal-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 16px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
  }

  .pg-list .searchModalInput {
    flex: 1;
    min-width: 0;
    height: 88px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 32px;
    color: #333;
    outline: none;
  }

  .pg-list .searchModalInput::placeholder {
    color: #999;
  }

  .pg-list .search-modal-btn {
    width: 48px;
    height: 48px;
    margin: 0 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 折叠导航 */
  .pg-list .main-nav {
    display: none;
    background: var(--blue-deep);
    border-bottom: none;
    position: static;
  }

  .pg-list .main-nav.open {
    display: block;
  }

  .pg-list .nav-list {
    display: block;
  }

  .pg-list .nav-list>li {
    position: static;
  }

  .pg-list .nav-list>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 26px 25px;
    font-size: 28px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .pg-list .nav-list>li:last-child>a {
    border-bottom: none;
  }

  .pg-list .nav-list>li:hover>a,
  .pg-list .nav-list>li.active>a {
    background: #2f5599;
    color: #fff;
  }

  /* 多级菜单（参考经贸） */
  .pg-list .nav-list>li.has-sub>a::after {
    content: '+';
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    color: #fff;
  }

  .pg-list .nav-list>li.has-sub.active>a::after {
    content: '−';
  }

  .pg-list .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    display: none;
    width: auto;
    min-width: 0;
    box-shadow: none;
    background: rgba(0, 0, 0, .12);
  }

  .pg-list .nav-list>li.has-sub.active>.sub-menu {
    display: block;
  }

  .pg-list .sub-menu>li>a {
    display: flex;
    align-items: center;
    height: auto;
    padding: 22px 25px 22px 45px;
    font-size: 26px;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .pg-list .sub-menu>li:last-child>a {
    border-bottom: none;
  }

  .pg-list .sub-menu>li>a::before {
    content: '-';
    margin-right: 12px;
    color: rgba(255, 255, 255, .7);
  }

  .pg-list .sub-menu>li>a:hover {
    background: #2f5599;
    color: #fff;
  }

  /* 内页横幅 */
  .pg-list .page-banner {
    aspect-ratio: 1500/766;
    background-image: url('../images/detailBannerBg-phone.png') !important;
  }

  /* 面包屑 */
  .pg-list .breadcrumb {
    height: 100px;
    display: flex;
    align-items: center;
    padding: 0 26px;
    font-size: 24px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pg-list .breadcrumb a {
    color: #333;
  }

  .pg-list .breadcrumb i {
    margin: 0 8px;
    color: #999;
  }

  /* 标题带 */
  .pg-list .page-title {
    display: flex;
    align-items: center;
    margin: 0 25px;
    height: 80px;
    background: var(--blue);
    border-radius: 4px;
    padding-left: 30px;
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .pg-list .page-title::before {
    content: "";
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    margin-right: 13px;
  }

  /* 正文：科研信息列表 */
  .pg-list .page-main {
    display: block;
    padding-bottom: 40px;
  }

  .pg-list .sidebar {
    display: none;
  }

  .pg-list .list-content {
    width: 100%;
  }

  .pg-list .article-list li {
    margin-bottom: 0;
  }

  .pg-list .article-list li a {
    display: block;
    height: auto;
    margin: 0 25px;
    padding: 44px 0 36px;
    font-size: 30px;
    line-height: 46px;
    color: #242424;
    background: #fff;
    border-bottom: 1px solid #cbdaeb;
  }

  .pg-list .article-list li a:hover {
    background: #fff;
    color: #242424;
  }

  .pg-list .article-list .tit {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    white-space: normal;
    overflow: hidden;
  }

  .pg-list .article-list .date {
    display: block;
    margin-top: 16px;
    font-size: 26px;
    line-height: 36px;
    color: #0073ff;
  }

  /* 分页 */
  .pg-list .pagination {
    margin-top: 48px;
    gap: 12px;
  }

  .pg-list .pagination .total {
    font-size: 24px;
    color: #888;
    margin-right: 16px;
  }

  .pg-list .page-btn {
    min-width: 56px;
    height: 54px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    font-size: 24px;
    color: #666;
    background: #fff;
  }

  .pg-list .page-btn.current {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
  }

  /* 页脚 */
  .pg-list .footer-inner {
    display: block;
    text-align: center;
    padding: 71px 0 60px;
  }

  .pg-list .footer-logo {
    display: inline-flex;
  }

  .pg-list .footer-logo .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-list .footer-contact {
    margin-top: 51px;
    font-size: 26px;
    line-height: 1.75;
    letter-spacing: .5px;
  }

  .pg-list .footer-qr {
    display: block;
    margin: 40px auto 0;
  }

  .pg-list .footer-qr p {
    display: none;
  }

  .pg-list .qr-box {
    width: 176px;
    height: 176px;
    padding: 10px;
    margin: 0 auto;
  }

  .pg-list .footer-bottom {
    font-size: 22px;
    line-height: 1.7;
    padding: 26px 25px 30px;
  }
}

/* 首页移动端专用元素：桌面隐藏 */
.acad-dots {
  display: none;
}

/* ===================== 移动端适配（仅 index.html 首页 · ≤750 视口） ===================== */
@media screen and (max-width:750px) {
  .pg-home {
    min-width: 0;
    width: 750px;
    margin: 0 auto;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .pg-home .container {
    width: 100%;
  }

  /* 页头 */
  .pg-home .site-header {
    background: var(--blue);
    padding: 0;
    height: 120px;
  }

  .pg-home .header-inner {
    height: 120px;
    padding: 0 34px 0 25px;
  }

  .pg-home .logo {
    gap: 20px;
  }

  .pg-home .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-home .logo-text {
    gap: 5px;
  }

  .pg-home .logo-cn {
    gap: 7px;
  }

  .pg-home .logo-cn em {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .pg-home .logo-cn strong {
    font-size: 24px;
    letter-spacing: 3px;
  }

  .pg-home .logo-en {
    font-size: 13px;
  }

  .pg-home .header-right {
    gap: 38px;
  }

  .pg-home .teacher-entry,
  .pg-home .search-box {
    display: none;
  }

  .pg-home .m-search-btn {
    display: block;
  }

  .pg-home .m-search-btn img {
    width: 41px;
    height: 41px;
    display: block;
  }

  .pg-home .m-menu-btn {
    display: block;
    position: relative;
    width: 42px;
    height: 42px;
  }

  .pg-home .m-menu-btn i {
    position: absolute;
    left: 0;
    width: 42px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }

  .pg-home .m-menu-btn i:nth-child(1) {
    top: 5px;
  }

  .pg-home .m-menu-btn i:nth-child(2) {
    top: 19px;
  }

  .pg-home .m-menu-btn i:nth-child(3) {
    top: 33px;
  }

  /* 展开后菜单按钮变为关闭按钮（参考经贸） */
  .pg-home .m-menu-btn.open i:nth-child(1) {
    transform: translateY(14px) rotate(45deg);
  }

  .pg-home .m-menu-btn.open i:nth-child(2) {
    opacity: 0;
  }

  .pg-home .m-menu-btn.open i:nth-child(3) {
    transform: translateY(-14px) rotate(-45deg);
  }

  /* 搜索弹窗（参考经贸） */
  .pg-home .search-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
  }

  .pg-home .search-modal.active {
    display: flex;
  }

  .pg-home .search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
  }

  .pg-home .search-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
  }

  .pg-home .search-modal-close {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 70px;
    line-height: 1;
    cursor: pointer;
    opacity: .85;
    transition: opacity .3s;
    z-index: 10001;
  }

  .pg-home .search-modal-close:hover {
    opacity: 1;
  }

  .pg-home .search-modal-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 16px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
  }

  .pg-home .searchModalInput {
    flex: 1;
    min-width: 0;
    height: 88px;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 32px;
    color: #333;
    outline: none;
  }

  .pg-home .searchModalInput::placeholder {
    color: #999;
  }

  .pg-home .search-modal-btn {
    width: 48px;
    height: 48px;
    margin: 0 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 折叠导航 */
  .pg-home .main-nav {
    display: none;
    background: var(--blue-deep);
    border-bottom: none;
    position: static;
  }

  .pg-home .main-nav.open {
    display: block;
  }

  .pg-home .nav-list {
    display: block;
  }

  .pg-home .nav-list>li {
    position: static;
  }

  .pg-home .nav-list>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 26px 25px;
    font-size: 28px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .pg-home .nav-list>li:last-child>a {
    border-bottom: none;
  }

  .pg-home .nav-list>li:hover>a,
  .pg-home .nav-list>li.active>a {
    background: #2f5599;
    color: #fff;
  }

  /* 多级菜单（参考经贸） */
  .pg-home .nav-list>li.has-sub>a::after {
    content: '+';
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    color: #fff;
  }

  .pg-home .nav-list>li.has-sub.active>a::after {
    content: '−';
  }

  .pg-home .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    display: none;
    width: auto;
    min-width: 0;
    box-shadow: none;
    background: rgba(0, 0, 0, .12);
  }

  .pg-home .nav-list>li.has-sub.active>.sub-menu {
    display: block;
  }

  .pg-home .sub-menu>li>a {
    display: flex;
    align-items: center;
    height: auto;
    padding: 22px 25px 22px 45px;
    font-size: 26px;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .pg-home .sub-menu>li:last-child>a {
    border-bottom: none;
  }

  .pg-home .sub-menu>li>a::before {
    content: '-';
    margin-right: 12px;
    color: rgba(255, 255, 255, .7);
  }

  .pg-home .sub-menu>li>a:hover {
    background: #2f5599;
    color: #fff;
  }

  /* 顶部 Banner */
  .pg-home .hero {
    height: 319px;
  }

  .pg-home .hero-arrow {
    width: 56px;
    height: 56px;
  }

  .pg-home .hero-arrow.prev {
    left: 22px;
  }

  .pg-home .hero-arrow.next {
    right: 22px;
  }

  .pg-home .hero-arrow svg {
    width: 26px;
    height: 26px;
  }

  .pg-home .hero-dots {
    bottom: 18px;
    gap: 14px;
  }

  .pg-home .hero-dots i {
    width: 12px;
    height: 12px;
  }

  /* 通用标题带 */
  .pg-home .section-head {
    margin: 0 25px 38px;
  }

  .pg-home .section-title {
    gap: 14px;
    font-size: 36px;
    font-weight: 400;
    letter-spacing: 1px;
  }

  .pg-home .title-icon {
    width: 41px;
    height: 41px;
  }

  .pg-home .more-link {
    font-size: 28px;
    color: var(--blue);
  }

  .pg-home .more-link svg {
    width: 28px;
    height: 28px;
  }

  /* 通知公告 */
  .pg-home .notice-section {
    background: var(--gray-bg) url('../images/home/tzgg-bg-phone.png') no-repeat center;
    background-size: 100% 100%;
    padding: 50px 0 79px;
  }

  .pg-home .notice-grid {
    display: block;
  }

  .pg-home .notice-card {
    height: 149px;
    margin: 0 25px 27px;
  padding: 0 20px 0 10px;
    gap: 5px;
  }

  .pg-home .notice-card:last-child {
    margin-bottom: 0;
  }

  .pg-home .hex-date {
    width: 190px;
    height: 190px;
    gap: 6px;
  }

  .pg-home .hex-date .day {
    font-size: 36px;
  }

  .pg-home .hex-date .ym {
    font-size: 24px;
  }

  .pg-home .notice-title {
    font-size: 28px;
    font-weight: 400;
    line-height: 48px;
  }

  /* 综合要闻 */
  .pg-home .news-section {
    background: #fff url('../images/home/zhyw-bg-phone.png') no-repeat center;
    background-size: 100% 100%;
    padding: 45px 0 70px;
  }

  .pg-home .news-layout {
    display: block;
  }

  .pg-home .news-feature {
    display: none;
    margin: 0 25px;
    background: #fff;
    border-radius: 0;
    box-shadow: none;
  }

  .pg-home .news-feature.on {
    display: block;
  }

  .pg-home .news-photo {
    width: auto;
    height: auto;
    aspect-ratio: 4/3;
    margin: 0;
  }

  .pg-home .news-feature-text {
    width: auto;
    height: auto;
    display: block;
    padding: 26px 25px 0;
    background: none;
  }

  .pg-home .news-feature-text h3 {
    display: block;
    font-size: 28px;
    line-height: 1.5;
    font-weight: 400;
    color: #000;
    margin-bottom: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .pg-home .news-feature-text p {
    display: none;
  }

  .pg-home .view-more {
    display: none;
  }

  .pg-home .news-pager {
    margin-top: -12px;
    padding-top: 0;
    gap: 24px;
    padding-bottom: 12px;
  }

  .pg-home .pager-btn {
    width: 44px;
    height: 44px;
  }

  .pg-home .pager-btn svg {
    width: 28px;
    height: 28px;
  }

  .pg-home .pager-num {
    font-size: 26px;
  }

  .pg-home .pager-num em {
    font-size: 30px;
  }

  .pg-home .pager-num span {
    font-size: 22px;
  }

  .pg-home .news-list {
    display: block;
    margin-top: 44px;
  }

  .pg-home .news-list li {
    margin: 0 25px;
    border-bottom: 1px solid #e6ecf6;
    background: #fff;
    margin-top: 22px;
  }

  .pg-home .news-list li a {
    display: flex;
    align-items: center;
    gap: 39px;
    padding: 0;
  }

  .pg-home .news-date {
    width: 111px;
    height: 138px;
    font-size: 34px;
  }

  .pg-home .news-date-m {
    font-size: 26px;
  }

  .pg-home .news-date-d {
    font-size: 32px;
  }

  .pg-home .news-date i {
    width: 28px;
    margin: 8px 0 12px;
  }

  .pg-home .news-item-title {
    font-size: 28px;
    line-height: 46px;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* 学术交流（单卡横向轮播） */
  .pg-home .academic-section {
    padding: 60px 0 48px;
  }

  .pg-home .academic-section .section-head {
    margin-bottom: 70px;
  }

  .pg-home .academic-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 0;
    gap: 0;
    scrollbar-width: none;
  }

  .pg-home .academic-grid::-webkit-scrollbar {
    display: none;
  }

  .pg-home .academic-grid .poster-card {
    flex: 0 0 648px;
    margin: 0 51px;
    scroll-snap-align: center;
  }

  .pg-home .poster-img {
    height: auto;
    aspect-ratio: 351/422;
    object-fit: cover;
  }

  .pg-home .poster-overlay {
    position: static;
    height: auto;
    min-height: 123px;
    padding: 16px 31px;
  }

  .pg-home .poster-overlay span {
    font-size: 26px;
    line-height: 46px;
  }

  .pg-home .poster-info {
    padding: 25px 31px 18px;
  }

  .pg-home .poster-info p {
    font-size: 24px;
    line-height: 40px;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  .pg-home .acad-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 37px;
  }

  .pg-home .acad-dots i {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d9d9d9;
  }

  .pg-home .acad-dots i.on {
    background: var(--orange);
  }

  /* 快捷链接 */
  .pg-home .quick-section {
    background: var(--band);
    padding: 56px 0 66px;
  }

  .pg-home .quick-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 50px;
  }

  .pg-home .quick-list li {
    width: 178px;
  }

  .pg-home .quick-list li a {
    gap: 18px;
    text-align: center;
  }

  .pg-home .hex-icon {
    width: 108px;
    height: 119px;
  }

  .pg-home .hex-icon svg {
    width: 48px;
    height: 48px;
  }

  .pg-home .hex-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
  }

  .pg-home .quick-label {
    font-size: 28px;
  }

  /* 友情链接 */
  .pg-home .friend-links {
    display: block;
    margin: 25px 25px 46px;
    border: none;
    height: auto;
  }

  .pg-home .friend-label {
    display: flex;
    justify-content: center;
    height: 83px;
    padding: 0;
    font-size: 32px;
    background: var(--blue);
  }

  .pg-home .friend-links ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid #cfdcf3;
    border-top: none;
    background: #fff;
  }

  .pg-home .friend-links ul li {

  }

  .pg-home .friend-links ul li:nth-child(3n) {
    border-right: none;
  }

  .pg-home .friend-links ul li:nth-child(n+4) {
    border-bottom: none;
  }

  .pg-home .friend-links ul a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 142px;
    font-size: 28px;
    color: #333;
    padding: 0 10px;
    text-align: center;
  }

  /* 页脚 */
  .pg-home .site-footer {
    background: var(--blue);
  }

  .pg-home .footer-inner {
    display: block;
    text-align: center;
    padding: 71px 0 60px;
  }

  .pg-home .footer-logo {
    display: inline-flex;
  }

  .pg-home .footer-logo .logo-emblem {
    width: 68px;
    height: 68px;
  }

  .pg-home .footer-contact {
    margin-top: 51px;
    font-size: 26px;
    line-height: 1.75;
    letter-spacing: .5px;
  }

  .pg-home .footer-qr {
    display: block;
    margin: 40px auto 0;
  }

  .pg-home .footer-qr p {
    display: none;
  }

  .pg-home .qr-box {
    width: 176px;
    height: 176px;
    padding: 10px;
    margin: 0 auto;
  }

  .pg-home .footer-bottom {
    font-size: 22px;
    line-height: 1.7;
    padding: 26px 25px 30px;
  }
}

/* 移动端：移除点击时的默认高亮方块（WebKit/Chrome tap highlight） */
@media screen and (max-width:750px) {
  * {
    -webkit-tap-highlight-color: transparent;
  }
}

/* ===================== 各页：区域入场动效 ===================== */
/* 依赖 <html> 上的 js 类，禁用 JS 时内容照常可见 */
html.js .reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}

/* 顶部 banner 仅淡入，不做位移，避免顶部露出空隙 */
html.js .reveal-fade {
  transform: none;
}

html.js .reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* 区域内的条目逐个错峰入场（延迟由 JS 逐项设置） */
html.js .reveal-stagger>a,
html.js .reveal-stagger>li,
html.js .reveal-stagger>div {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1);
}

html.js .reveal-stagger.is-in>a,
html.js .reveal-stagger.is-in>li,
html.js .reveal-stagger.is-in>div {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

  html.js .reveal,
  html.js .reveal-stagger>a,
  html.js .reveal-stagger>li,
  html.js .reveal-stagger>div {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}