/* 新华·元数据 - 内蒙古新华期刊有限公司 */
:root {
  --primary: #1e4a8c;
  --primary-dark: #163a6e;
  --primary-light: #3d7fd4;
  --accent: #e63946;
  --text: #333;
  --text-muted: #666;
  --border: #e0e0e0;
  --bg: #e4e8ec;
  --section-panel-pad: 44px 40px;
  --block-gap: 28px;
  --footer-bg: #2c3e50;
  --container: 1200px;
  --header-container: 1400px;
  --sidebar-w: 240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a:hover {
  color: var(--primary-light);
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Header ========== */
.site-header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 2100;
}

.site-header .container {
  max-width: var(--header-container);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 24px;
}

.logo {
  flex-shrink: 0;
}

.site-header .logo:hover {
  color: #fff;
}

.logo-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
  margin: 0;
  line-height: 1.2;
}

.logo-sub {
  font-size: 13px;
  opacity: 0.9;
  margin: 4px 0 0;
}

.search-box {
  flex: 0 1 320px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 40px 10px 16px;
  border: none;
  border-radius: 24px;
  font-size: 14px;
  outline: none;
}

.search-box button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 16px;
}

.nav-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.main-nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.main-nav > li > a {
  display: block;
  padding: 18px 20px;
  color: var(--text);
  font-size: 16px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}

.main-nav > li > a:hover,
.main-nav > li.active > a {
  color: var(--primary);
  background: rgba(30, 74, 140, 0.06);
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  list-style: none;
  margin: 0;
  padding: 8px 0;
  z-index: 100;
}

.main-nav > li:hover .nav-dropdown,
.main-nav > li.open .nav-dropdown {
  display: block;
}

.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  color: var(--text);
  font-size: 14px;
}

.nav-dropdown a:hover {
  background: #f0f4fa;
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: transparent;
  color: #fff;
  border: none;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: #fff;
}

.nav-toggle-icon::before {
  top: -8px;
}

.nav-toggle-icon::after {
  top: 8px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-arrow {
  display: none;
}

/* ========== Page banner (inner pages) ========== */
.page-banner {
  position: relative;
  height: 220px;
  background-size: cover;
  background-position: center;
}

.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(30, 74, 140, 0.5), transparent 60%);
}

.page-banner-label {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--primary);
  color: #fff;
  padding: 16px 32px;
  font-size: 22px;
  font-weight: 600;
  z-index: 2;
}

.breadcrumb-bar {
  background: var(--bg);
  padding: 14px 0;
  border-bottom: none;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb-bar .container,
.page-body > .container {
  max-width: var(--header-container);
}

.breadcrumb-bar a {
  color: var(--primary);
}

/* ========== Two-column layout ========== */
.page-body {
  background: var(--bg);
  padding: 28px 0 56px;
}

.page-body > .container {
  background: #fff;
  padding: var(--section-panel-pad);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.layout-with-sidebar {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 24px;
  align-items: start;
}

.sidebar {
  background: #fff;
}

.sidebar-title {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-top: none;
}

.sidebar-menu a {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: all 0.2s;
}

.sidebar-menu a:last-child {
  border-bottom: none;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
}

.sidebar-page,
.sidebar-page .page-body,
.sidebar-page .breadcrumb-bar {
  background: #fff;
}

.sidebar-page .page-body {
  padding-top: 0;
}

.sidebar-page .page-body > .container {
  padding: 0 20px 44px;
  box-shadow: none;
  border-radius: 0;
}

.sidebar-page .breadcrumb-bar {
  padding: 16px 0;
}

.sidebar-page .breadcrumb-bar .container {
  text-align: right;
}

.sidebar-page .page-banner-label {
  display: none !important;
}

.sidebar-page .breadcrumb-inline {
  display: none !important;
}

.sidebar-page .content-header {
  position: relative;
  text-align: center;
  padding: 0 0 8px;
  border-bottom: 1px solid var(--border);
}

.sidebar-page .content-header .underline {
  width: 80px;
  height: 3px;
  margin: 8px auto -10px;
  background: var(--primary);
}

.sidebar-page .single-content {
  padding-top: 16px;
}

.sidebar-page .layout-with-sidebar {
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.sidebar-page .sidebar {
  position: sticky;
  top: 200px;
  align-self: start;
  z-index: 3;
  margin-top: -95px;
  width: 250px;
  background: transparent;
}

.sidebar-page .sidebar-title {
  padding: 24px 16px;
  text-align: center;
  font-size: 18px;
  letter-spacing: 1px;
  color: #fff;
  background: #3f69ab;
}

.sidebar-page .sidebar-menu {
  margin-top: 8px;
  border: none;
  background: transparent;
}

.sidebar-page .sidebar-menu li {
  margin-bottom: 8px;
}

.sidebar-page .sidebar-menu li:last-child {
  margin-bottom: 0;
}

.sidebar-page .sidebar-menu a {
  padding: 13px 16px;
  text-align: center;
  color: #333;
  background: #fff;
  border: 1px solid #d9d9d9;
}

.sidebar-page .sidebar-menu a:last-child {
  border-bottom: 1px solid #d9d9d9;
}

.sidebar-page .sidebar-menu a:hover,
.sidebar-page .sidebar-menu a.active {
  color: #fff;
  border-color: #9eb3d8;
  background: linear-gradient(90deg, #3f69ab 0%, #a9c0e5 100%);
}

.main-content {
  min-width: 0;
}

.content-header {
  text-align: center;
  margin-bottom: 24px;
}

.content-header h1 {
  font-size: 24px;
  color: var(--primary);
  margin: 0 0 8px;
  font-weight: 600;
}

.content-header .underline {
  width: 80px;
  height: 3px;
  background: var(--primary);
  margin: 0 auto;
}

.breadcrumb-inline {
  text-align: right;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ========== News / article list ========== */
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list .item {
  display: block;
  position: relative;
}

.article-list .item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  border-bottom: 1px dashed var(--border);
}

.article-list .item-link {
  display: flex;
  width: 100%;
  box-sizing: border-box;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: inherit;
  cursor: pointer;
}

.article-list .item-link:hover .item-title {
  color: var(--primary);
}

.article-list .item-title {
  flex: 1;
  font-size: 15px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-list .item-title:hover {
  color: var(--primary);
}

.article-list .item-date {
  flex-shrink: 0;
  background: #f0f0f0;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-list.column-style .item {
  display: block;
  white-space: normal;
}

.article-list.column-style .item-link {
  flex-direction: column;
  align-items: stretch;
  min-height: auto;
  padding: 14px 20px;
}

.article-list.column-style .item-title {
  white-space: normal;
  font-weight: 600;
  font-size: 16px;
}

.article-list.column-style .item-desc {
  margin-top: 4px;
  color: #888;
  font-size: 13px;
  line-height: 1.6;
}

.article-list.column-style .item-meta {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  font-size: 13px;
}

.article-list.column-style .item-source {
  color: var(--primary-light);
}

.article-list.research-list .item-title {
  margin-bottom: 2px;
}

.article-list.research-list .item-abstract {
  display: block;
  margin-top: 6px;
  color: #888;
  font-size: 13px;
  line-height: 1.7;
}

.article-list.research-list .item-desc {
  margin-top: 4px;
  color: #666;
  font-size: 13px;
  line-height: 1.6;
}

.article-list.research-list .item-meta {
  margin-top: 10px;
}

.article-list.research-list .item-source {
  color: var(--primary-light);
  font-size: 13px;
}

.search-page-main {
  width: 100%;
}

.search-summary {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.search-summary strong {
  color: var(--text);
  font-weight: 600;
}

.search-item-cate {
  display: block;
  padding: 0 20px 10px;
  font-size: 12px;
  color: var(--primary-light);
}

/* ========== Article detail ========== */
.article-detail h1 {
  font-size: 22px;
  text-align: center;
  margin: 0 0 16px;
  color: var(--text);
}

.article-detail .meta {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.article-detail .body {
  font-size: 15px;
  line-height: 1.8;
}

.article-detail .body p {
  margin: 0 0 16px;
  text-indent: 2em;
}

.detail-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.detail-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  height: 42px;
  padding: 0 22px;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: #fff;
  font-size: 14px;
  box-sizing: border-box;
  transition: all 0.2s;
}

.detail-action-side:first-child {
  justify-self: end;
}

.detail-action-side:last-child {
  justify-self: start;
}

.detail-action-back {
  min-width: 128px;
  color: #fff;
  background: var(--primary);
}

.detail-action-btn:hover {
  color: #fff;
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.detail-action-btn.disabled,
.detail-action-btn.disabled:hover {
  color: #aaa;
  border-color: #ddd;
  background: #f7f7f7;
  cursor: not-allowed;
}

/* ========== Pagination ========== */
.pagination {
  margin-top: 32px;
  text-align: center;
}

.pagination > ul.pagination,
.pagination > ul.pager {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination > ul.pagination > li,
.pagination > ul.pager > li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination > ul.pagination > li > a,
.pagination > ul.pagination > li > span,
.pagination > ul.pager > li > a,
.pagination > ul.pager > li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  box-sizing: border-box;
}

.pagination > ul.pagination > li > a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination > ul.pagination > li.active > span {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination > ul.pagination > li.disabled > span,
.pagination > ul.pager > li.disabled > span {
  color: #bbb;
  background: #f7f7f7;
  cursor: not-allowed;
}

/* ========== Journal grid ========== */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.journal-card {
  text-align: center;
  transition: transform 0.2s;
}

.journal-card:hover {
  transform: translateY(-4px);
}

.journal-cover {
  aspect-ratio: 3/4;
  min-height: 200px;
  background: linear-gradient(160deg, #4a90d9 0%, #1e4a8c 100%);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

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

.journal-grid-horizontal {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.journal-grid-horizontal .journal-cover {
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.journal-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 20px;
  text-align: center;
  box-sizing: border-box;
}

.journal-card p {
  margin: 12px 0 0;
  font-size: 14px;
}

/* ========== Subscribe list ========== */
.subscribe-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 34px;
  background: #f2f2f2;
  padding: 28px 34px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  align-items: center;
}

.subscribe-cover {
  width: 150px;
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, #5ba3e8, #1e4a8c);
  overflow: hidden;
}

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

.subscribe-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 8px;
  box-sizing: border-box;
}

.subscribe-info {
  min-width: 0;
}

.subscribe-info h3 {
  margin: 0 0 14px;
  font-size: 20px;
  color: var(--primary);
}

.subscribe-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 60px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.subscribe-meta span {
  color: var(--text);
}

.subscribe-actions {
  margin-top: 22px;
  text-align: right;
}

.subscribe-actions .btn {
  min-width: 120px;
  text-align: center;
  border-radius: 0;
  background: #5596d3;
}

.subscribe-actions .btn:hover {
  background: var(--primary);
}

.subscribe-actions .btn.disabled,
.subscribe-actions .btn.disabled:hover {
  color: #aaa !important;
  background: #e5e5e5;
  cursor: not-allowed;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff !important;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
  margin-left: 8px;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary) !important;
}

/* ========== Single page content ========== */
.single-content {
  font-size: 15px;
  line-height: 1.9;
}

.single-content h2 {
  font-size: 18px;
  color: var(--primary);
  margin: 24px 0 12px;
}

.single-content p {
  text-indent: 2em;
  margin: 0 0 12px;
}

.contact-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.contact-table td {
  padding: 12px 16px;
  border: 1px solid var(--border);
}

.contact-table td:first-child {
  width: 120px;
  background: #f8f9fb;
  font-weight: 600;
  color: var(--primary);
}

/* ========== Homepage ========== */
.home-hero {
  position: relative;
  min-height: 0;
  background: #0d2d5c;
  overflow: hidden;
  line-height: 0;
}

.home-hero-slide {
  display: none;
  min-height: 380px;
  background-size: cover;
  background-position: center;
  position: relative;
  width: 100%;
  color: inherit;
  text-decoration: none;
}

.home-hero-slide.active {
  display: block;
}

.home-hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 45, 92, 0.85) 0%, rgba(30, 74, 140, 0.4) 100%);
}

.home-hero-slide.banner-slide {
  min-height: 0;
  background: none;
}

.home-hero-slide.banner-slide::before {
  display: none;
}

.home-hero-slide.banner-slide img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 40px;
  width: 100%;
  padding: 48px 20px;
  box-sizing: border-box;
  max-width: var(--container);
  margin: 0 auto;
  min-height: 380px;
}

.hero-cover {
  width: 180px;
  flex-shrink: 0;
  background: linear-gradient(160deg, #4a90d9, #163a6e);
  aspect-ratio: 3/4;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  text-align: center;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.hero-cover img,
.essay-cover img,
.research-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-text h2 {
  color: #fff;
  font-size: 36px;
  margin: 0 0 8px;
  font-weight: 700;
}

.hero-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin: 0;
}

.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.hero-dots button.active {
  background: #fff;
}

/* 首页：灰底 + 各栏目白底区块 */
.section {
  padding: 18px 0;
  background: transparent;
}

.section > .container {
  background: #fff;
  padding: var(--section-panel-pad);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.home-page .section > .container {
  max-width: var(--header-container);
  padding-left: 0;
  padding-right: 0;
}

.home-page .hero-inner,
.home-page .promo-banner {
  max-width: var(--header-container);
}

/* 灰底栏目：容器透明，仅单卡白底（设计图效果） */
.section-gray > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.section-gray .card-grid-4 {
  gap: 24px;
}

/* 区分栏：标题 + 短粗下划线 | 浅蓝延伸线 | 查看更多 */
.section-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 0;
  border-bottom: none;
}

.section-head-title {
  flex-shrink: 0;
}

.section-head-title h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #222;
  line-height: 1.2;
}

.section-head-title .title-bar {
  display: block;
  width: 100%;
  min-width: 3.5em;
  height: 3px;
  background: var(--primary);
  margin-top: 8px;
}

.section-head-rule {
  flex: 1;
  height: 1px;
  background: #b8d4f0;
  margin: 0;
  min-width: 60px;
  align-self: center;
}

.section-head .more {
  flex-shrink: 0;
  color: var(--primary-light);
  font-size: 14px;
  margin: 0;
  white-space: nowrap;
}

.section-head .more:hover {
  color: var(--primary);
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* 新闻动态：灰底露缝 + 仅文字区白底 */
.news-dynamic-grid .news-dynamic-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  transition: none;
  color: inherit;
}

.news-dynamic-grid .news-dynamic-card:hover .news-dynamic-body {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.news-dynamic-grid .news-dynamic-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
  background: linear-gradient(145deg, #6ba8e8 0%, #4a8fd4 50%, #2d6aad 100%);
  border-radius: 4px 4px 0 0;
  overflow: hidden;
}

.news-dynamic-grid .news-dynamic-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-dynamic-grid .news-dynamic-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-top: none;
  border-radius: 0 0 4px 4px;
  padding: 16px 18px 18px;
  min-height: 120px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s;
}

.news-dynamic-grid .news-dynamic-body h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-dynamic-grid .news-dynamic-card:hover h3 {
  color: var(--primary);
}

.news-dynamic-grid .news-dynamic-body .date {
  margin-top: auto;
  align-self: flex-end;
  font-size: 13px;
  color: #999;
  line-height: 1;
}

/* 通知公告：灰底露缝 + 单卡白底 */
.notice-grid .notice-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-bottom: 3px solid var(--primary);
  border-radius: 4px;
  padding: 18px 20px 20px;
  min-height: 170px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s;
  color: inherit;
}

.notice-grid .notice-card:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.notice-grid .notice-date {
  display: inline-block;
  align-self: flex-start;
  background: #28a745;
  color: #fff;
  font-size: 12px;
  line-height: 1.4;
  padding: 5px 12px;
  margin: 0 0 14px;
  border-radius: 2px;
}

.notice-grid .notice-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: #333;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notice-grid .notice-card:hover h3 {
  color: var(--primary);
}

.notice-grid .notice-summary {
  margin: 0;
  flex: 1;
  font-size: 14px;
  color: #888;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notice-grid {
  background: transparent;
  border: none;
  padding: 0;
}

.promo-banner {
  display: block;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
  border-radius: 0;
  overflow: hidden;
}

.promo-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.promo-red {
  background: linear-gradient(90deg, #c41e3a, #e63946);
  color: #fff;
  padding: 18px 32px;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
}

.promo-blue {
  background: linear-gradient(90deg, #1e4a8c, #3d7fd4);
  color: #fff;
  padding: 24px 32px;
  text-align: center;
  font-size: 18px;
}

.column-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--block-gap);
}

/* 精选美文：两列大区块 + 封面列表 */
.essay-section > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding-top: 26px;
}

.essay-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

.essay-col {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 18px 22px 10px;
  background: #fff;
  border: 1px solid #eceff3;
  min-width: 0;
  overflow: hidden;
}

.essay-block {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: transparent;
  padding: 8px 0 18px;
  border: none;
  border-radius: 0;
  min-height: 188px;
  min-width: 0;
}

.essay-cover {
  width: 136px;
  height: 180px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.96);
  font-size: 11px;
  text-align: center;
  padding: 0;
  line-height: 1.4;
  border: 1px solid #d9dfe8;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  background: #f3f5f8;
}

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

.essay-cover.cover-wenyuan {
  background: linear-gradient(180deg, #eaf5fb 0%, #d6ebf5 52%, #b7d7e8 100%);
  color: #2a4a63;
}

.essay-cover.cover-fortune {
  background: linear-gradient(180deg, #fff7ef 0%, #ffd3d0 55%, #ef8fa1 100%);
  color: #8b2f3b;
}

.essay-cover.cover-coal {
  background: linear-gradient(180deg, #5c2330 0%, #264d8d 48%, #0e1f50 100%);
  color: #fff;
}

.essay-titles {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.essay-titles li {
  padding: 0;
  border-bottom: none;
  min-width: 0;
}

.essay-titles li:last-child {
  border-bottom: none;
}

.essay-titles a {
  font-size: 14px;
  color: var(--text);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.8;
}

.essay-titles a:hover {
  color: var(--primary);
}

/* 学术研究：白底面板 + 2列网格 */
.research-section > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding-top: 26px;
}

.research-panel {
  background: #fff;
  border: none;
  padding: 28px;
  border-radius: 0;
}

.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px;
  background: transparent;
}

.research-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: transparent;
  color: inherit;
}

.research-card:hover .research-card-title {
  color: var(--primary);
}

.research-thumb {
  width: 200px;
  height: 128px;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #1e4a8c, #3d7fd4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 0;
}

.research-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: transparent;
}

.research-card-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.research-card-abs {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.research-card-source {
  margin-top: 4px;
  font-size: 12px;
  color: var(--primary-light);
}

.media-section > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding-top: 26px;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--block-gap);
  background: transparent;
  padding: 0;
  align-items: stretch;
}

.featured-poster {
  display: block;
  position: relative;
  min-height: 280px;
  height: 100%;
  overflow: hidden;
  background: #f3f5f8;
  line-height: 0;
}

.media-slide {
  position: absolute;
  inset: 0;
  display: block;
  color: inherit;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.media-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.featured-poster img,
.media-slide-placeholder {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
  background: #f3f5f8;
}

.media-slide-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 24px;
  color: var(--primary);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
}

.media-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transform: translateX(-50%);
}

.media-dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 1px solid #fff;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: width 0.25s ease, border-radius 0.25s ease, background 0.25s ease;
}

.media-dots button.active {
  width: 24px;
  border-radius: 999px;
  background: #fff;
}

.media-section .article-list {
  list-style: none;
  margin: 0;
  padding: 18px 24px;
  background: #fff;
  min-height: 280px;
  height: 100%;
  box-sizing: border-box;
}

.media-section .article-list .item:first-child {
  padding-top: 0;
}

.media-section .article-list .item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.media-section .article-list .item.active .item-title {
  color: var(--primary);
}

.media-section .article-list .item.active .item-date {
  background: rgba(30, 74, 140, 0.1);
  color: var(--primary);
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--block-gap);
}

.info-section > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding-top: 26px;
}

.col-block {
  background: #fff;
  border: 1px solid #eceff3;
  padding: 16px 18px 8px;
  min-width: 0;
  overflow: hidden;
}

.col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 10px;
  margin: 0 0 14px;
  border-bottom: 1px solid #e6edf4;
}

.col-block h3 {
  font-size: 16px;
  color: #222;
  margin: 0 0 -11px;
  padding-bottom: 10px;
  border-bottom: 3px solid #5b9bd5;
}

.col-more {
  font-size: 12px;
  color: #7c8aa0;
}

.col-more:hover {
  color: var(--primary);
}

.col-block .featured {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  align-items: stretch;
  min-width: 0;
}

.col-block .featured-thumb {
  width: 180px;
  min-height: 110px;
  align-self: stretch;
  flex-shrink: 0;
  overflow: hidden;
  background: #e8ecf0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.col-block .featured-thumb img {
  width: 100%;
  height: 100%;
  min-height: 110px;
  object-fit: contain;
  display: block;
}

.col-block .featured-summary {
  flex: 1;
  min-width: 0;
  background: #f3f4f6;
  padding: 12px 12px 10px;
  display: flex;
  flex-direction: column;
}

.col-block .featured-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.col-block .featured-title:hover {
  color: var(--primary);
}

.col-block .featured-summary p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.col-block .featured-more {
  align-self: flex-end;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.col-block .featured-more:hover {
  color: var(--primary);
}

.col-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.col-block ul li {
  position: relative;
  padding: 10px 0 10px 14px;
  border-bottom: 1px dashed var(--border);
  font-size: 13px;
  min-width: 0;
}

.col-block ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 10px;
  color: #444;
}

.col-block ul a:hover {
  color: var(--primary);
}

.col-block ul a {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 期刊集群：一排5个，超出自动滚动（无滚动条） */
.journal-home-section > .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding-top: 0;
}

.journal-home-panel {
  background: #fff;
  padding: 28px 24px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.journal-scroll-wrap {
  overflow: hidden;
  width: 100%;
  position: relative;
}

.journal-scroll {
  display: flex;
  flex-wrap: nowrap;
  gap: 22px;
  width: max-content;
  will-change: transform;
}

.journal-scroll .journal-card {
  flex: 0 0 auto;
}

/* 首页模块动效 */
@media (hover: hover) and (pointer: fine) {
  .home-page .section-head-title .title-bar,
  .home-page .more,
  .home-page .col-more,
  .home-page .featured-more,
  .home-page .item-link,
  .home-page .essay-titles a,
  .home-page .col-block ul a {
    transition: color 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
  }

  .home-page .section-head-title .title-bar {
    transform-origin: left center;
  }

  .home-page .section:hover .section-head-title .title-bar {
    transform: scaleX(1.25);
  }

  .home-page .more:hover,
  .home-page .col-more:hover,
  .home-page .featured-more:hover {
    transform: translateX(4px);
  }

  .home-page .promo-banner a,
  .home-page .promo-banner img,
  .home-hero-slide.banner-slide img,
  .news-dynamic-grid .news-dynamic-thumb img,
  .essay-cover img,
  .research-thumb img,
  .featured-poster img,
  .col-block .featured-thumb img,
  .journal-cover img {
    transition: transform 1.2s ease, filter 1.2s ease;
  }

  .home-page .promo-banner:hover img,
  .home-hero-slide.banner-slide:hover img {
    transform: scale(1.025);
    filter: brightness(1.04);
  }

  .news-dynamic-grid .news-dynamic-card,
  .notice-grid .notice-card,
  .research-card,
  .essay-col,
  .col-block,
  .journal-home-panel {
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  }

  .news-dynamic-grid .news-dynamic-card:hover,
  .notice-grid .notice-card:hover,
  .essay-col:hover,
  .col-block:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(30, 74, 140, 0.12);
  }

  .news-dynamic-grid .news-dynamic-card:hover .news-dynamic-thumb img {
    transform: scale(1.08);
    filter: brightness(1.04);
  }

  .essay-block:hover .essay-cover img,
  .research-card:hover .research-thumb img,
  .featured-poster:hover img,
  .col-block .featured:hover .featured-thumb img,
  .journal-card:hover .journal-cover img {
    transform: scale(1.08);
    filter: brightness(1.04);
  }

  .research-card:hover {
    transform: translateY(-4px);
  }

  .media-section .article-list .item-link:hover,
  .home-page .essay-titles a:hover,
  .home-page .col-block ul a:hover {
    transform: translateX(4px);
  }

  .journal-card:hover {
    transform: translateY(-8px);
  }

  .journal-card:hover .journal-cover {
    box-shadow: 0 14px 30px rgba(30, 74, 140, 0.2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-page *,
  .home-page *::before,
  .home-page *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* ========== Footer ========== */
.site-footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 0;
}

.site-footer .container {
  max-width: var(--header-container);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(280px, 2.2fr) minmax(200px, 2.6fr) auto;
  gap: 48px;
  padding-bottom: 40px;
  align-items: start;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 18px;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-col a:hover {
  color: #fff;
}

.footer-col-contact p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.footer-col-contact {
  position: relative;
}

.footer-col-contact::after {
  content: "";
  position: absolute;
  right: -28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.25);
}

.footer-col-links {
  padding-left: 40px;
}

.footer-link-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
}

.footer-link-columns ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col-qr {
  justify-self: end;
}

.qr-codes {
  display: flex;
  gap: 20px;
}

.qr-item {
  text-align: center;
}

.qr-box {
  width: 96px;
  height: 96px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.qr-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 24px 0 28px;
}

.footer-bottom-inner {
  text-align: center;
}

.footer-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0;
  border: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.footer-logo-img {
  padding: 0;
  overflow: hidden;
  width: 290px;
  box-shadow: none;
  outline: none;
  background: transparent;
}

.footer-logo-img img {
  display: block;
  max-height: 40px;
  max-width: none;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(1.05);
  border: 0;
}

.footer-logo-img:focus,
.footer-logo-img:focus-visible,
.footer-logo-img:active {
  outline: none;
}

.footer-logo-12377 {
  min-width: 72px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
}

.footer-copy-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 48px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-beian-link {
  color: inherit;
  text-decoration: none;
}

.footer-beian-link:hover {
  text-decoration: underline;
}

/* ========== Back to top ========== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 80px;
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.back-top.visible {
  display: flex;
}

/* ========== Dev placeholder ========== */
.dev-placeholder {
  text-align: center;
  padding: 80px 24px;
}

.dev-placeholder h1 {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 16px;
}

.dev-placeholder p {
  color: var(--text-muted);
  font-size: 16px;
}

/* ========== Responsive ========== */
@media screen and (max-width: 1480px) {
  :root {
    --header-container: 1200px;
  }
}

@media (max-width: 992px) {
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .journal-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .three-col {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-col-links {
    padding-left: 0;
  }

  .footer-col-contact::after {
    display: none;
  }

  .footer-col-qr {
    justify-self: start;
  }
}

@media (max-width: 768px) {
  :root {
    --section-panel-pad: 20px 16px;
    --block-gap: 16px;
  }

  body.nav-menu-open {
    overflow: hidden;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 2100;
    width: 100%;
  }

  .header-top .search-box {
    display: none;
  }

  .header-top {
    align-items: center;
    position: relative;
    z-index: 2101;
    background: var(--primary);
  }

  .home-page .section > .container,
  .section-gray > .container,
  .essay-section > .container,
  .research-section > .container,
  .media-section > .container,
  .info-section > .container,
  .journal-home-section > .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .home-page .promo-banner {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .home-page .promo-banner a {
    display: block;
  }

  .home-page .promo-banner img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
  }

  .essay-col,
  .col-block {
    padding-left: 14px;
    padding-right: 14px;
  }

  .page-body > .container,
  .sidebar-page .page-body > .container,
  .breadcrumb-bar .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-head {
    margin-bottom: 20px;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    font-size: 26px;
    line-height: 1;
    background: transparent;
    flex-shrink: 0;
  }

  .nav-wrap {
    position: fixed;
    left: 0;
    right: auto;
    bottom: 0;
    top: var(--mobile-nav-top, 80px);
    width: 100vw;
    max-width: none;
    z-index: 2000;
    background: rgba(48, 58, 68, 0.96);
    border: none;
    box-shadow: none;
    padding: 0 0 24px;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .nav-wrap.menu-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-wrap .container {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: none;
  }

  .main-nav > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .main-nav > li > a {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 18px 48px;
    color: #fff;
    font-size: 16px;
    font-weight: 400;
    white-space: normal;
    border: none;
    background: transparent;
  }

  .main-nav > li > a:hover,
  .main-nav > li.active > a {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
  }

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

  .has-dropdown .nav-arrow {
    display: block;
  }

  .nav-arrow {
    position: absolute;
    right: 28px;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -6px;
    border-right: 2px solid rgba(255, 255, 255, 0.9);
    border-bottom: 2px solid rgba(255, 255, 255, 0.9);
    transform: rotate(45deg);
    transition: transform 0.2s ease, margin-top 0.2s ease;
  }

  .main-nav > li.open .nav-arrow {
    transform: rotate(-135deg);
    margin-top: -2px;
  }

  .main-nav > li:hover .nav-dropdown {
    display: none;
  }

  .nav-dropdown {
    position: static;
    display: none !important;
    box-shadow: none;
    border: none;
    background: rgba(0, 0, 0, 0.12);
    padding: 0;
  }

  .main-nav > li.open .nav-dropdown {
    display: block !important;
  }

  .nav-dropdown li {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-dropdown a {
    text-align: center;
    color: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    padding: 14px 20px;
  }

  .nav-dropdown a:hover,
  .nav-dropdown a.active {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
  }

  .layout-with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-page .layout-with-sidebar {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-page .sidebar {
    position: static;
    width: 100%;
    margin-top: 0;
  }

  .page-banner {
    height: 160px;
  }

  .page-banner-label {
    font-size: 18px;
    padding: 12px 20px;
  }

  .card-grid-4,
  .column-2,
  .essay-columns,
  .research-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .journal-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .journal-grid-horizontal {
    grid-template-columns: 1fr;
  }

  .essay-col {
    padding: 14px 16px 8px;
  }

  .essay-block {
    min-height: auto;
  }

  .subscribe-item {
    grid-template-columns: 1fr;
  }

  .subscribe-cover {
    width: 150px;
    margin: 0 auto;
  }

  .subscribe-meta {
    grid-template-columns: 1fr;
  }

  .subscribe-actions {
    text-align: center;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
    min-height: auto;
    padding: 32px 16px;
  }

  .hero-text h2 {
    font-size: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-col-links {
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
  }

  .footer-col-contact::after {
    display: none;
  }

  .footer-link-columns {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-copy-row {
    flex-direction: column;
    gap: 8px;
  }

  .media-section .split-section {
    gap: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .media-section .featured-poster {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .media-section .featured-poster img,
  .media-section .media-slide-placeholder {
    min-height: 0;
    height: 100%;
  }

  .media-section .article-list {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    height: auto;
    padding: 8px 14px 10px;
    overflow: hidden;
  }

  .media-section .article-list .item-link {
    padding: 12px 0;
    gap: 10px;
    max-width: 100%;
    min-width: 0;
  }

  .media-section .article-list .item-title {
    min-width: 0;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .media-section .article-list .item-date {
    padding: 3px 8px;
    font-size: 12px;
  }

  .media-dots {
    bottom: 10px;
    gap: 8px;
  }

  .article-list .item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .logo-title {
    font-size: 22px;
  }

  .search-box {
    flex: 1;
    min-width: 0;
  }

  .journal-grid {
    grid-template-columns: 1fr;
  }
}