/* ============ 横幅轮播 Banner Swiper ============ */
.banner-swiper {
  position: relative;
  width: 100%;
  height: 540px;
  overflow: hidden;
  box-sizing: border-box;
}

.banner-swiper-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.banner-swiper-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.banner-swiper-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 轻微缩放过渡，slide 切换时给画面一点动感 */
  transform: scale(1.05);
  transition: transform 6s ease;
}

.banner-swiper-slide.active .banner-swiper-bg {
  transform: scale(1);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.banner-swiper-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1440px;
  margin: 0 auto;
  box-sizing: border-box;
}

.banner-swiper-content h1 {
  font-size: 52px;
  font-weight: 600;
  margin: 0 0 20px;
  line-height: 1.3;
  letter-spacing: 2px;
}

.banner-swiper-content span {
  display: block;
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 600px;
}

.banner-swiper-content a {
  display: inline-block;
  align-self: flex-start;
  padding: 12px 36px;
  border-radius: 30px;
  line-height: 20px;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  background: #0f4799;
  color: #ffffff;
  border-color: #ffffff;
}

/* 文字入场动画：默认隐藏，slide 切到 active 时由 JS 加 .animate-in */
.banner-animate {
  opacity: 0;
  transform: translateX(-24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.banner-swiper-slide.active .banner-animate {
  opacity: 1;
  transform: translateX(0);
}

/* 左右切换按钮 */
.banner-swiper-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 48px;
  height: 48px;
  margin-top: -24px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.banner-swiper-nav:hover {
  background: rgba(0, 0, 0, 0.35);
  transform: scale(1.05);
}

.banner-swiper-prev {
  left: 20px;
}

.banner-swiper-next {
  right: 20px;
}

.banner-swiper-prev::before,
.banner-swiper-next::before {
  content: '';
  display: block;
  width: 12px;
  height: 12px;
  border-top: 2px solid #ffffff;
  border-right: 2px solid #ffffff;
  margin: 0 auto;
}

.banner-swiper-prev::before {
  transform: rotate(-135deg);
  margin-left: 20px;
}

.banner-swiper-next::before {
  transform: rotate(45deg);
  margin-right: 20px;
}

/* 圆点指示器 */
.banner-swiper-dots {
  position: absolute;
  bottom: 28px;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 0 max(calc((100vw - 1440px) / 2), 20px);
}

.banner-swiper-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  border: none;
  padding: 0;
  cursor: pointer;
  transition:
    background 0.25s ease,
    width 0.25s ease;
}

.banner-swiper-dot.active {
  background: #ffffff;
  width: 28px;
  border-radius: 5px;
}

/* ============ 列表滚动入场（introduce / responsibility） ============ */
.introduce-list li,
.home-responsibility-right ul li {
  opacity: 0;
  transform: translateX(-24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    box-shadow 0.3s ease,
    background-color 0.3s ease;
}

.introduce-list li.in,
.home-responsibility-right ul li.in {
  opacity: 1;
  transform: translateX(0);
}

/* ============ culture 三个模块从顶部依次下落 ============ */
.culture-left > h2,
.culture-left > span,
.culture-left > ul {
  opacity: 0;
  transform: translateY(-24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.culture-left > h2.in,
.culture-left > span.in,
.culture-left > ul.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============ news 三块从左往右依次入场 ============ */
.news-left,
.news-center,
.news-right > a {
  opacity: 0;
  transform: translateX(-24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    box-shadow 0.3s ease,
    background-color 0.3s ease;
}

.news-left.in,
.news-center.in,
.news-right > a.in {
  opacity: 1;
  transform: translateX(0);
}

/* ============ news hover 悬浮效果 ============ */
/* news-center 大图卡片：仅图片放大，不超出卡片范围 */
.news-center > a {
  overflow: hidden;
  border-radius: 24px;
}
.news-center > a img {
  transition: transform 0.4s ease;
}
.news-center:hover > a img {
  transform: scale(1.06);
}

/* news-right 列表项：向右偏移一点 + 标题变主色 */
.news-right > a h3 {
  transition: color 0.25s ease;
}
.news-right > a:hover {
  transform: translateX(6px);
  background-color: rgba(198, 210, 223, 0.15);
}
.news-right > a:hover h3 {
  color: #0f4799;
}

/* ============ 列表 hover 悬浮效果 ============ */
/* responsibility：上浮 + 阴影 + 图片放大 + 标题变主色 */
.home-responsibility-right ul li img,
.home-responsibility-right ul li span {
  transition:
    transform 0.4s ease,
    color 0.25s ease;
}
.home-responsibility-right ul li.in:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}
.home-responsibility-right ul li.in:hover img {
  transform: scale(1.06);
}
.home-responsibility-right ul li.in:hover span {
  color: #0f4799;
}

/* culture：上浮 + 阴影 + 图片放大 + 标题变主色 */
.culture-left ul li img,
.culture-left ul li h3,
.culture-left ul li span {
  transition:
    transform 0.4s ease,
    color 0.25s ease;
}
.culture-left ul li:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}
.culture-left ul li:hover img {
  transform: scale(1.1);
}
.culture-left ul li:hover h3 {
  color: #0f4799;
}

/* ============ 介绍 home-introduce ============ */
.home-introduce {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 27px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  box-sizing: border-box;
}

.introduce-top {
  display: flex;
  align-items: center;
  gap: 60px;
}

.introduce-logo {
  flex: 0 0 240px;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.introduce-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.introduce-describe {
  flex: 1 1 auto;
  min-width: 0;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', '宋体', serif;
  font-size: 16px;
  line-height: 24px;
  color: #1a1a1a;
  padding: 16px;
  text-align: justify;
}

.introduce-list {
  list-style: none;
  margin: 0;
  padding: 28px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: rgba(198, 210, 223, 0.2);
  border-radius: 32px;
}

.introduce-list li {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.introduce-list li img {
  width: 36px;
  height: 36px;
  display: block;
  object-fit: contain;
}

.introduce-list li > span:first-of-type {
  font-size: 32px;
  font-weight: 700;
  color: #0f4799;
  font-variant-numeric: tabular-nums;
}

.introduce-list li > span:last-of-type {
  font-size: 14px;
  color: #555;
  line-height: 1.4;
}

/* ============ 责任 Responsibility ============ */
.home-responsibility {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  margin-top: 27px;
  box-sizing: border-box;
}

.home-responsibility-content {
  background: rgba(198, 210, 223, 0.2);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.home-responsibility-left {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.home-responsibility-title {
  display: block;
}

.home-responsibility-title h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #000000;
}

.home-responsibility-describe {
  display: block;
  font-size: 14px;
  color: #555555;
  line-height: 24px;
}

.home-responsibility-left > a {
  display: inline-block;
  padding: 10px 32px;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid #0f4799;
  color: #0f4799;
  line-height: 20px;
  font-weight: 400;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.home-responsibility-left > a:hover {
  background: #0f4799;
  color: #ffffff;
}

.home-responsibility-right {
  flex: 1 1 auto;
  min-width: 0;
}

.home-responsibility-right ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.home-responsibility-right ul li {
  list-style: none;
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
}

.home-responsibility-right ul li a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.home-responsibility-right ul li img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.home-responsibility-right ul li span {
  display: block;
  text-align: center;
  padding: 16px;
  font-size: 16px;
  color: #1a1a1a;
}
/* ============ 文化 Culture ============ */
.culture {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  margin-top: 27px;
  box-sizing: border-box;
}

.culture-content {
  background: rgba(198, 210, 223, 0.2);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  align-items: stretch;
  gap: 32px;
}

.culture-left {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  justify-content: space-between;
}

/* ul 推到 culture-left 底部，h2/span 在顶部自然排开 */
.culture-left > ul {
  margin-top: auto;
}

.culture-left > h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #000000;
  line-height: 1.3;
}

.culture-left > span {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
}

.culture-left ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.culture-left ul li {
  list-style: none;
  background: #ffffff;
  border-radius: 16px;
}

.culture-left ul li a {
  display: flex;
  flex-direction: column;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  height: 100%;
  box-sizing: border-box;
}

.culture-left ul li img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
  margin-bottom: 16px;
}

.culture-left ul li h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
}

.culture-left ul li span {
  font-size: 13px;
  line-height: 1.6;
  color: #666;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}

.culture-right {
  flex: 0 0 45%;
  display: flex;
  align-items: center;
}

.culture-right img {
  width: 100%;
  height: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

/* ============ 新闻 News ============ */
.news {
  width: 100%;
  max-width: 1440px;
  margin: 27px auto 0;
  box-sizing: border-box;
}

.news-content {
  background: rgba(198, 210, 223, 0.2);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  align-items: stretch;
  gap: 32px;
}

.news-left {
  flex: 0 0 180px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.news-left > h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #000000;
  line-height: 1.3;
}

.news-left > a {
  display: inline-block;
  padding: 10px 24px;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid #0f4799;
  color: #0f4799;
  line-height: 20px;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.news-left > a:hover {
  background: #0f4799;
  color: #ffffff;
}

.news-center {
  flex: 0 0 38%;
}

.news-center > a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.news-center > a img {
  width: 100%;
  height: 346px;
  object-fit: cover;
  display: block;
  border-radius: 24px 24px 24px 24px;
  overflow: hidden;
}

.news-center > a > span {
  padding: 8px 10px;
  font-size: 12px;
  color: #555;
}

.news-center > a > h3 {
  margin: 8px 10px;
  font-size: 16px;
  font-weight: 700;
  color: #000;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-center > a > p {
  margin: 8px 10px;
  font-size: 14px;
  color: #555555;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-right {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.news-right > a {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 24px;
  row-gap: 6px;
  align-items: center;
  padding: 16px;
  text-decoration: none;
  flex-grow: 1;
  color: inherit;
  border-bottom: 1px solid rgba(198, 210, 223, 0.5);
}

.news-right > a:last-child {
  border-bottom: none;
}

.news-right > a > h3 {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: #000;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-width: 0;
}

.news-right > a > p {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
  font-size: 14px;
  color: #555;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-right > a > span {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 18px;
  font-weight: 700;
  color: #0f4799;
  white-space: nowrap;
}

/* ============ 友情链接 Links ============ */
.links {
  width: 100%;
  max-width: 1440px;
  margin: 27px auto 0;
  box-sizing: border-box;
}

.links-content {
  background: rgba(198, 210, 223, 0.2);
  border-radius: 24px;
  padding: 48px;
}

.links-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.links-left > h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #000000;
  line-height: 1.3;
}

.links-left > span {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
}

.links-carousel {
  position: relative;
}

.links-carousel::before,
.links-carousel::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  pointer-events: none;
  z-index: 2;
}

.links-carousel::before {
  left: 0;
  background: linear-gradient(
    to right,
    rgba(244, 246, 249, 1) 0%,
    rgba(244, 246, 249, 1) calc(100% - 20px),
    rgba(244, 246, 249, 0) 100%
  );
}

.links-carousel::after {
  right: 0;
  background: linear-gradient(
    to left,
    rgba(244, 246, 249, 1) 0%,
    rgba(244, 246, 249, 1) calc(100% - 20px),
    rgba(244, 246, 249, 0) 100%
  );
}

.links-carousel ul {
  list-style: none;
  margin: 0;
  padding: 16px 128px 16px 64px;
  display: flex;
  align-items: center;
  gap: 24px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.links-carousel ul::-webkit-scrollbar {
  display: none;
}

.links-carousel .left-btn,
.links-carousel .right-btn {
  position: absolute;
  top: 50%;
  width: 32px;
  height: 32px;
  background: url('../images/arrow.png') no-repeat center / contain;
  cursor: pointer;
  z-index: 3;
  transform: translateY(-50%);
  transition: opacity 0.2s ease;
}

.links-carousel .left-btn {
  left: 12px;
}

.links-carousel .right-btn {
  right: 12px;
  transform: translateY(-50%) rotate(180deg);
}

.links-carousel .left-btn:hover,
.links-carousel .right-btn:hover {
  opacity: 0.6;
}

.links-carousel ul li {
  flex: 0 0 200px;
  list-style: none;
  background: #ffffff;
  border-radius: 8px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.links-carousel ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  padding: 12px;
}

.links-carousel ul li img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.4s ease;
}

/* links hover：上浮 + 阴影 + 图片放大 */
.links-carousel ul li {
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}
.links-carousel ul li a {
  overflow: hidden;
  border-radius: 8px;
}
.links-carousel ul li:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}
.links-carousel ul li:hover img {
  transform: scale(1.08);
}

/* ============ 响应式 ============ */
@media (max-width: 1200px) {
  .banner-swiper-content h1 {
    font-size: 44px;
  }
  .introduce-logo {
    width: 240px;
    height: 240px;
  }
}

@media (max-width: 992px) {
  .banner-swiper {
    height: 440px;
  }
  .banner-swiper-content {
    padding: 0 80px;
  }
  .banner-swiper-content h1 {
    font-size: 36px;
    letter-spacing: 1px;
  }
  .banner-swiper-content span {
    font-size: 16px;
    margin-bottom: 28px;
  }
  .banner-swiper-nav {
    width: 40px;
    height: 40px;
    margin-top: -20px;
  }
  .banner-swiper-prev {
    left: 20px;
  }
  .banner-swiper-next {
    right: 20px;
  }
  .banner-swiper-dots {
    bottom: 20px;
    padding: 0 20px;
  }
  .home-introduce {
    align-items: center;
    gap: 40px;
    padding: 60px 20px;
  }
  .introduce-top {
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
  }
  .introduce-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-responsibility-content {
    flex-direction: column;
    padding: 32px;
    gap: 32px;
    align-items: flex-start;
  }
  .home-responsibility-left {
    flex: 0 0 auto;
    width: 100%;
  }
  .home-responsibility-right ul {
    grid-template-columns: repeat(2, 1fr);
  }
  .culture-content {
    flex-direction: column;
    padding: 32px;
  }
  .culture-right {
    flex: 0 0 auto;
    width: 100%;
  }
  .culture-right img {
    max-height: 280px;
  }
  .culture-left ul {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-content {
    flex-direction: column;
    padding: 8px;
  }
  .news-left {
    flex: 0 0 auto;
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
  .news-center {
    flex: 0 0 auto;
    width: 100%;
  }
  .links-content {
    padding: 32px;
  }
  .links-carousel ul {
    padding-right: 96px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 8px;
  }
  .header,
  .footer {
    margin: 0 -8px;
  }
  .banner-intro-wrap {
    background-color: rgba(198, 210, 223, 0.2);
    border-radius: 24px;
  }
  .banner-swiper {
    height: 320px;
  }
  .banner-swiper-content {
    padding: 0 24px;
  }
  .banner-swiper-content h1 {
    font-size: 26px;
    margin-bottom: 14px;
  }
  .banner-swiper-content span {
    font-size: 14px;
    margin-bottom: 24px;
  }
  .banner-swiper-content a {
    padding: 10px 28px;
    font-size: 13px;
  }
  .banner-swiper-nav {
    width: 36px;
    height: 36px;
    margin-top: -18px;
  }
  .banner-swiper-prev {
    left: 12px;
  }
  .banner-swiper-next {
    right: 12px;
  }
  .banner-swiper-dots {
    bottom: 14px;
    gap: 8px;
  }
  .banner-swiper-dot {
    width: 8px;
    height: 8px;
  }
  .banner-swiper-dot.active {
    width: 22px;
  }
  .introduce-logo {
    display: none;
  }
  .introduce-list {
    display: none;
  }
  .introduce-logo {
    width: 240px;
    height: 240px;
  }
  .home-responsibility-content {
    padding: 8px;
    flex-direction: column;
  }

  .home-responsibility,
  .culture,
  .news,
  .links {
    margin: 8px auto 0;
  }
  .home-responsibility-content,
  .culture-content,
  .news-content,
  .links-content,
  .home-introduce,
  .footer {
    padding: 8px;
    padding-top: 20px;
  }
  .links-content {
    padding-bottom: 20px;
  }
  .links {
    margin-bottom: 20px;
  }
  .home-responsibility-left {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
  }
  .home-responsibility-title {
    grid-column: 1 / -1;
  }
  .home-responsibility-left > a {
    background: none;
    border: none;
  }
  .home-responsibility-right ul li img {
    height: 200px;
  }
  .culture-content {
    display: grid;
    grid-template-areas:
      'title'
      'describe'
      'image'
      'list';
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .culture-left {
    display: contents;
  }
  .culture-left > h2 {
    grid-area: title;
  }
  .culture-left > span {
    grid-area: describe;
  }
  .culture-left > ul {
    grid-area: list;
  }
  .culture-right {
    grid-area: image;
  }
  .culture-left ul {
    grid-template-columns: repeat(3, 1fr);
  }
  .culture-left ul li a {
    padding: 8px;
    align-items: center;
    text-align: center;
  }
  .news-left {
    flex-direction: row;
    align-items: center;
  }
  .news-left > a {
    background: none;
    border: none;
    margin-left: auto;
  }
  .links-carousel ul {
    padding: 12px 72px 12px 40px;
    gap: 16px;
  }
  .links-carousel ul li {
    flex: 0 0 160px;
    height: 70px;
  }
}

/* ============ 移动端菜单（与 JS index.js 配合） ============ */
.navMobile {
  margin: 0;
  padding: 0;
}

.navMobile dd {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid #e5eaf0;
  list-style: none;
}

.navMobile dd:last-child {
  border-bottom: none;
}

.navMobile dd.dlin1 {
  padding-top: 0;
}

.navMobile dd > p {
  margin: 0;
}

.navMobile dd > p > a {
  display: block;
  font-size: 18px;
  font-weight: 500;
  color: #1a1a1a;
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.navMobile dd > p > a:hover,
.navMobile dd > p > a.act {
  color: #0f4799;
}

.navMobile .mtnav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid #e5eaf0;
}

.navMobile .mtnav a {
  display: block;
  font-size: 14px;
  color: #666666;
  text-decoration: none;
  line-height: 1.6;
  transition: color 0.2s ease;
}

.navMobile .mtnav a:hover,
.navMobile .mtnav a.act {
  color: #0f4799;
}

/* 汉堡按钮激活态（X 形） */
.menuBtn.active .burger {
  background: transparent;
}

.menuBtn.active .burger::before,
.menuBtn.active .burger::after {
  top: 0;
}

.menuBtn.active .burger::before {
  transform: rotate(45deg);
}

.menuBtn.active .burger::after {
  transform: rotate(-45deg);
}