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

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: #fff;
  color: #000000;
  font-size: 16px;
  line-height: 1.5;
}

a {
  text-decoration: none;
}

button:focus,
button:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

.sptb {
  padding: 100px 0;
}

.spt {
  padding-top: 100px;
}

.spb {
  padding-bottom: 100px;
}

@media (min-width: 1680px) {
  .w-container {
    max-width: 1600px;
  }
}

/* 导航栏样式 */
.navbar {
  background: #ffffff !important;
  padding: 0.75rem 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid #eef2f6;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, #103369, #164287);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  letter-spacing: -0.3px;
}

.logo-sub {
  font-size: 0.7rem;
  color: #5f6c80;
  margin-top: 2px;
}

/* PC端导航 - 去除默认箭头，用Font Awesome代替 */
.pc-nav .nav-link {
  color: #2c3e50;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: 0.2s;
  font-size: 1.2rem;
}

.pc-nav .nav-link:hover,
.pc-nav .nav-link.active {
  color: #164287;
}

.pc-nav .dropdown-toggle::after {
  display: none !important;
}

/* 二级菜单悬浮出现 */
.pc-nav .dropdown:hover>.dropdown-menu {
  display: block;
  margin-top: 0;
}

.pc-nav .dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  padding: 0.5rem 0;
}

.pc-nav .dropdown-item {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  font-size: 1.05rem;
}

.pc-nav .dropdown-item:hover {
  background-color: #f5f9ff;
  color: #103369;
}

/* 三级子菜单 */
.pc-nav .dropdown-submenu {
  position: relative;
}

.pc-nav .dropdown-submenu .dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: -0.5rem;
  display: none;
}

.pc-nav .dropdown-submenu:hover>.dropdown-menu {
  display: block;
}

/* 右侧工具栏 */
.tool-btn {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: #2c3e50;
  padding: 0.4rem 0.6rem;
  margin-left: 0.3rem;
  transition: 0.2s;
}

.tool-btn:hover {
  color: #164287;
}

/* 弹窗浮层 */
.popup-card {
  position: absolute;
  top: 48px;
  right: 0;
  background: white;
  border-radius: 5px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
  width: 360px;
  padding: 1rem;
  z-index: 1050;
  display: none;
  border: 1px solid #eef2f6;
}

@media (max-width: 480px) {
  .popup-card {
    width: 100vw;
    right: -12px;
  }
}

.popup-card form {
  position: relative;
}

.lang-popup {
  width: 150px;
}

.popup-card input {
  width: 100%;
  border-radius: 40px;
  border: 1px solid #cfdde6;
  line-height: 40px;
  padding-left: 10px;
  padding-right: 50px;
  /* padding: 10px 50px 10px 10px; */
  outline: none;
}

.popup-card button {
  /* margin-top: 0.5rem; */
  background: #164287;
  border: none;
  border-radius: 40px;
  /* padding: 0.3rem 1rem; */
  color: white;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  right: 0;
  top: 0;
}

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

.lang-list li a {
  display: block;
  padding: 0.5rem 0;
  text-decoration: none;
  color: #2c3e50;
}

.lang-list li a:hover {
  color: #103369;
}

/* 移动端导航侧滑 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100vh;
  background: white;
  z-index: 1060;
  padding: 1.5rem 1rem;
  transition: 0.3s ease;
  overflow-y: auto;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
  left: 0;
}

.mobile-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav li {
  border-bottom: 1px solid #f0f2f5;
}

.mobile-nav .nav-link-mobile {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  text-decoration: none;
  color: #1f2a3e;
  font-weight: 500;
}

.mobile-nav .nav-link-mobile>a {
  color: #1f2a3e;
  font-weight: 500;
}

.mobile-nav .submenu {
  padding-left: 1rem;
  display: none;
  background: #fafcff;
}

.mobile-nav .submenu li {
  border-bottom: none;
}

.mobile-nav .submenu a {
  padding: 0.7rem 0;
  display: block;
  color: #4a5b6e;
  text-decoration: none;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1059;
  display: none;
}

/* 轮播 Hero */
.hero-swiper {
  width: 100%;
  height: 85vh;
  min-height: 500px;
}

.hero-swiper .swiper-slide {
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  font-size: 3rem;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.swiper-slide-link {
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 10;
}

.hero-swiper .swiper-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
}

.swiper-slide-content {
  max-width: 900px;
  position: relative;
  z-index: 9;
}

.hero-swiper .swiper-slide span {
  display: inline-block;
  line-height: 1.4;
}

@media (max-width: 992px) {
  .swiper-slide-content {
    max-width: 90%;
  }
  
  .hero-swiper .swiper-slide span {
    font-size: 2.5rem;
  }
}

.swiper-slide-content p {
  font-size: 20px;
  /* color: #ffffff; */
  font-weight: normal;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .hero-swiper .swiper-slide span {
    font-size: 1.8rem;
  }

  .swiper-slide-content p {
    font-size: 18px;
  }
}

/* .hero-swiper .swiper-slide span {
  position: relative;
  z-index: 2;
} */

/* 长条分页器 */
.hero-swiper .swiper-pagination-bullet {
  width: 40px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.6);
  opacity: 1;
}

.hero-swiper .swiper-pagination-bullet-active {
  background: #ffffff;
  width: 52px;
}

/* 中间占位 */
.placeholder-section {
  padding: 5rem 0;
  background: #fbfdff;
}

.placeholder-card {
  background: #fff;
  border-radius: 24px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
  border: 1px solid #eef2f8;
}

/* 底部 */
.footer {
  background: #0a1424;
  color: #cdd9f4;
  padding: 3rem 0 2rem;
}

.footer .logo-light {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #bcd0ff, #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer a {
  color: #b5c6e0;
  text-decoration: none;
  transition: 0.2s;
}

.footer a:hover {
  color: white;
}

.social-icons i {
  font-size: 1.3rem;
  /* margin-right: 1rem; */
  cursor: pointer;
}

.foot-list-unstyled li {
  margin-bottom: 6px;
}

.foot-list-unstyled li a {
  font-size: 16px;
  font-weight: 500;
}

hr {
  opacity: 0.2;
}

@media (max-width: 991.98px) {
  .hero-swiper {
    height: 60vh;
    min-height: 400px;
  }
}


/* 首页关于我们 */
.about-section {
  background-color: #f8fafc;
  /* 基底浅灰蓝 */
  background-image:
    linear-gradient(rgba(16, 51, 105, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 51, 105, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  position: relative;
}

/* 可选：添加轻微噪点效果，让纹理更自然 */
.about-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.about-content {
  position: relative;
  z-index: 2;
}

/* 简介文本样式 */
.company-intro {
  font-size: 1.05rem;
  line-height: 1.7;
  /* color: #2c3e4e; */
  text-align: justify;
}

/* 简洁按钮 */
.btn-more {
  background: transparent;
  border: 1.5px solid #164287;
  color: #164287;
  padding: 8px 28px;
  border-radius: 40px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-more:hover {
  background: #164287;
  color: #fff;
  box-shadow: 0 4px 10px rgba(22, 66, 135, 0.2);
  transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .company-intro {
    font-size: 0.95rem;
    text-align: left;
  }

  .section-title:after {
    width: 40px;
  }
}


/* 优势数据板块 */
.stat-card {
  background: #fff;
  /* border-radius: 24px; */
  padding: 1.8rem 1rem;
  text-align: center;
  transition: all 0.25s ease;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.02);
  border: 1px solid #eef2f8;
  height: 100%;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(16, 51, 105, 0.08);
  border-color: #dce5ef;
}

/* Icon style */
.stat-icon {
  font-size: 2.5rem;
  color: #164287;
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  color: #103369;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  word-break: keep-all;
}

.stat-label {
  font-size: 1rem;
  font-weight: 500;
  color: #4a5b6e;
  letter-spacing: 0.3px;
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 2.2rem;
  }

  .stat-icon {
    font-size: 2rem;
  }

  .stat-card {
    padding: 1.5rem 0.8rem;
  }

  .stats-section {
    padding: 2.5rem 0;
  }
}


/* 新闻板块 */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: #103369;
  margin-bottom: 0.75rem;
}

.title-divider {
  width: 50px;
  height: 2px;
  background: #164287;
  margin: 0 auto 1rem auto;
}

.section-sub {
  font-size: 1.2rem;
  font-weight: 500;
  color: #5f7a9e;
  margin-bottom: 0.25rem;
}

.section-desc {
  font-size: 0.95rem;
  color: #6c7a8e;
  max-width: 650px;
  margin: 0 auto;
}

.news-card {
  display: block;
  text-decoration: none;
  background: #fff;
  /* border-radius: 20px; */
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.03);
  border: 1px solid #edf2f7;
  height: 100%;
}

/* 图片容器，实现缩放效果 */
.news-card__img-wrapper {
  overflow: hidden;
  background-color: #f0f4fa;
  position: relative;
}

.news-card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

/* 悬停时图片放大 */
.news-card:hover .news-card__img {
  transform: scale(1.05);
}

/* 内容区域 */
.news-card__content {
  padding: 1.4rem 1.25rem 1.6rem;
}

/* 日期区域（带图标） */
.news-card__date {
  font-size: 0.8rem;
  color: #8a99ae;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.3px;
  transition: color 0.25s;
}

.news-card__date i {
  font-size: 0.75rem;
  color: #164287;
}

/* 标题 */
.news-card__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1f2a44;
  color: #000000;
  line-height: 1.4;
  margin-bottom: 0.7rem;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 描述 */
.news-card__desc {
  font-size: 0.9rem;
  color: #5b6c85;
  line-height: 1.5;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 悬停时文字变化：标题颜色加深，描述略微变深，提升反馈 */
.news-card:hover .news-card__title {
  color: #103369;
}

.news-card:hover .news-card__desc {
  color: #3a4c66;
}

.news-card:hover .news-card__date {
  color: #164287;
}

/* 卡片整体悬停微效提升阴影 */
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -12px rgba(16, 51, 105, 0.15);
  border-color: #dce5f0;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .section-sub {
    font-size: 1rem;
  }

  .news-card__content {
    padding: 1rem 1rem 1.3rem;
  }

  .news-card__title {
    font-size: 1rem;
  }

  .news-card__desc {
    font-size: 0.85rem;
  }
}

/* banner + 面包屑导航 */
.banner-section {
  width: 100%;
}

/* 栏目大图区域 - 背景图 + 居中内容（栏目名称 + 面包屑） */
.category-hero {
  position: relative;
  width: 100%;
  height: 380px;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* 深色遮罩层，让文字更清晰 */
.category-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.25);
}

/* 所有内容都放在遮罩层上方 */
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 20px;
}

/* 栏目名称 */
.category-title {
  color: #ffffff;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 16px;
  position: relative;
  z-index: 9;
}

/* 面包屑导航样式 - 完全在背景图上方 */
.hero-breadcrumb {
  position: relative;
  z-index: 9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  padding: 8px 20px;
  border-radius: 50px; */
  margin: 0 auto;
}

.hero-breadcrumb .breadcrumb {
  margin-bottom: 0;
  background: transparent;
  padding: 0;
  font-size: 0.9rem;
}

.hero-breadcrumb .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s;
}

.hero-breadcrumb .breadcrumb-item a:hover {
  color: #164287;
}

.hero-breadcrumb .breadcrumb-item.active {
  color: #164287;
  font-weight: 500;
}

.breadcrumb-item+.breadcrumb-item {
  padding-left: 0;
}

.hero-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
  content: "\f054";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: rgba(255, 255, 255, 0.6);
  /* font-size: 0.75rem; */
  padding: 0 8px;
}

/* 响应式 */
@media (max-width: 992px) {
  .category-title {
    font-size: 2.6rem;
    margin-bottom: 12px;
  }
}

@media (max-width: 768px) {
  .category-hero {
    height: 280px;
  }

  .category-title {
    font-size: 2.2rem;
    margin-bottom: 12px;
  }

  .hero-breadcrumb .breadcrumb {
    font-size: 0.75rem;
  }

  .hero-breadcrumb {
    padding: 6px 16px;
  }
}

@media (max-width: 576px) {
  .category-hero {
    height: 220px;
  }

  .category-title {
    font-size: 1.8rem;
  }

  .hero-breadcrumb .breadcrumb {
    font-size: 0.65rem;
  }
}


/* ----------- 分页 ------------*/
.pagination {
  display: inline-block;
  padding-left: 0;
  margin: 20px 0;
  border-radius: 4px;
}

.pagination>li {
  display: inline;
}

.pagination>li>a,
.pagination>li>span {
  position: relative;
  float: left;
  padding: 6px 12px;
  line-height: 1.42857;
  text-decoration: none;
  color: #337ab7;
  background-color: #fff;
  border: 1px solid #ddd;
  margin-left: -1px;
}

.pagination>li:first-child>a,
.pagination>li:first-child>span {
  margin-left: 0;
  border-bottom-left-radius: 4px;
  border-top-left-radius: 4px;
}

.pagination>li:last-child>a,
.pagination>li:last-child>span {
  border-bottom-right-radius: 4px;
  border-top-right-radius: 4px;
}

.pagination>li>a:hover,
.pagination>li>a:focus,
.pagination>li>span:hover,
.pagination>li>span:focus {
  z-index: 2;
  color: #23527c;
  background-color: #eeeeee;
  border-color: #ddd;
}

.pagination>.active>a,
.pagination>.active>a:hover,
.pagination>.active>a:focus,
.pagination>.active>span,
.pagination>.active>span:hover,
.pagination>.active>span:focus {
  z-index: 3;
  color: #fff;
  background-color: #337ab7;
  border-color: #337ab7;
  cursor: default;
}



/* ---------- 联系我们板块 ---------- */

/* 联系信息卡片 */
.contact-info-card {
  background: #f8f9fc;
  border-radius: 24px;
  padding: 30px;
  /* height: 100%; */
  border: 1px solid #f0f0f0;
}

.contact-info-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #164287;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.contact-info-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: #164287;
  border-radius: 2px;
}

.contact-info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 0.95rem;
  /* color: #cccccc; */
  line-height: 1.5;
}

.contact-info-list li i {
  width: 36px;
  height: 36px;
  background: #164287;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
}

.contact-social {
  margin-top: 20px;
}

.contact-social h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #164287;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  width: 40px;
  height: 40px;
  background: #f0f0f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #164287;
  transition: all 0.3s;
  text-decoration: none;
}

.social-icons a:hover {
  background: #164287;
  color: var(--white);
  transform: translateY(-3px);
}

/* 表单样式 */
.contact-form-card {
  background: var(--white);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid #f0f0f0;
}

.form-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #164287;
  margin-bottom: 24px;
}

.form-control,
.form-select {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
  border-color: #164287;
  box-shadow: 0 0 0 3px rgba(14, 192, 228, 0.1);
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.btn-submit {
  background: #164287;
  color: #ffffff;
  border: none;
  padding: 12px 32px;
  border-radius: 40px;
  font-weight: 600;
  transition: all 0.3s;
  width: 100%;
  font-size: 1rem;
}

.btn-submit:hover {
  background: #103369;
  transform: translateY(-2px);
}

/* Google 地图容器 */
.map-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid #f0f0f0;
  height: 100%;
  min-height: 400px;
}

.map-card iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  display: block;
}

/* 响应式 */
@media (max-width: 768px) {
  .contact-section {
    padding: 50px 0;
  }

  .section-header .main-title {
    font-size: 1.7rem;
  }

  .contact-info-card,
  .contact-form-card {
    padding: 24px;
    margin-bottom: 24px;
  }

  .map-card {
    margin-top: 24px;
    min-height: 300px;
  }

  .map-card iframe {
    min-height: 300px;
  }
}

/* 产品列表页 */

/* 左侧边栏卡片 */
.sidebar-card {
  background: #ffffff;
  /* border-radius: 20px; */
  border: 1px solid #eef2f8;
  padding: 1.5rem 1.2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

/* 搜索框样式 */
.search-group {
  margin-bottom: 2rem;
}

.search-group .input-group {
  /* border-radius: 48px; */
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.search-group input {
  border: 1px solid #e0e7ef;
  border-right: none;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  background: #fff;
}

.search-group button {
  background: #164287;
  border: none;
  padding: 0 1.2rem;
  color: white;
  transition: 0.2s;
}

.search-group button:hover {
  background: #103369;
  color: #ffffff;
}

/* 分类导航标题 */
.cat-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: #103369;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #eef2f8;
}

/* 产品分类菜单（二级菜单，与主菜单无冲突） */
.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-list>li {
  margin-bottom: 0.25rem;
}

/* 一级菜单样式 */
.first-level {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 0.5rem;
  cursor: pointer;
  font-weight: 500;
  color: #1f2a44;
  border-radius: 12px;
  transition: background 0.2s;
}

.first-level.active,
.first-level:hover {
  background: #f5f9fc;
}

.first-level .cat-name {
  font-size: 0.96rem;
}

.first-level .cat-name a {
  color: #1f2a44;
}

.first-level.active .cat-name a,
.first-level:hover .cat-name a {
  color: #164287;
}

.toggle-icon {
  font-size: 0.75rem;
  color: #8c9ab0;
  width: 28px;
  text-align: center;
  cursor: pointer;
}

/* 二级菜单（子分类） */
.sub-category {
  list-style: none;
  padding-left: 1.2rem;
  margin-top: 0.2rem;
  margin-bottom: 0.6rem;
  display: none;
}

.sub-category.show {
  display: block;
}

.sub-category li {
  padding: 0.4rem 0;
}

.sub-category li a {
  text-decoration: none;
  color: #4a5b6e;
  font-size: 0.88rem;
  display: block;
  transition: 0.2s;
}

.sub-category li a:hover {
  color: #164287;
  padding-left: 4px;
}

/* 右侧产品卡片 (使用Bootstrap栅格，一行三个) */
.product-card {
  background: #fff;
  /* border-radius: 20px; */
  overflow: hidden;
  transition: all 0.25s ease;
  border: 1px solid #edf2f7;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  text-decoration: none;
  display: block;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 24px -8px rgba(16, 51, 105, 0.12);
  border-color: #dfe7f0;
}

.product-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #f0f4fa;
  display: block;
}

.product-cont {
  padding: 1rem 1rem 1.2rem;
}

.product-name {
  font-weight: 600;
  font-size: 1.2rem;
  color: #1f2a44;
  color: #000000;
  /* margin-bottom: 0.75rem; */
  line-height: 1.4;
}

/* 参数区域 4个参数两列展示 */
.params {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.95rem;
  color: #5f6e85;
}

.param-item {
  display: flex;
  align-items: baseline;
}

.param-label {
  font-weight: 500;
  color: #8c99ae;
  width: 52px;
  flex-shrink: 0;
}

.param-value {
  color: #2c3e50;
  word-break: break-word;
}

/* 响应式微调 */
@media (max-width: 768px) {
  .product-cont {
    padding: 0.8rem;
  }
}


/* ------------ 产品内页 -------------- */
/* 左侧图片区域 Swiper 样式 */
.product-gallery {
  position: relative;
  /* background: #f8f9fc;
  border-radius: 24px;
  padding: 16px;
  border: 1px solid #f0f0f0; */
}

.product-gallery .swiper {
  width: 100%;
  height: 100%;
}

.product-gallery .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-gallery .swiper-slide img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* 右侧产品信息 */
.product-info {
  padding-left: 20px;
}

.product-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #164287;
  margin-bottom: 16px;
}

.product-short-desc {
  font-size: 1rem;
  /* color: #cccccc; */
  line-height: 1.7;
  margin-bottom: 24px;
  /* border-left: 3px solid #164287; */
  /* padding-left: 16px; */
}

/* 询盘按钮 */
.inquiry-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #164287;
  color: #ffffff;
  padding: 12px 32px;
  border-radius: 40px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  /* margin-bottom: 32px; */
  border: none;
  font-size: 1rem;
}

/* .inquiry-btn:hover {
  background: #0aa9c9;
  transform: translateY(-2px);
  color: var(--white);
} */

/* 产品详情区域 */
.product-detail-tabs {
  margin-top: 20px;
}

.detail-title {
  font-size: 1.5rem;
  font-weight: 700;
  /* margin-bottom: 16px; */
  padding-bottom: 8px;
  border-bottom: 2px solid #164287;
  display: inline-block;
  color: #000000;
}

.detail-content {
  font-size: 1rem;
  line-height: 1.8;
  /* color: #cccccc; */
}

.detail-content p {
  margin-bottom: 16px;
}

.detail-content ul {
  padding-left: 20px;
}

.detail-content li {
  margin-bottom: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
  .product-detail-section {
    padding: 40px 0;
  }

  .product-title {
    font-size: 1.2rem;
  }

  .product-info {
    padding-left: 0;
  }

  .swiper-thumb .swiper-slide {
    width: 60px;
    height: 60px;
  }
}

.product-thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}



/* ------------ 文章内页 ------------- */
/* 文章页主容器 */
.article-page {
  background-color: rgb(248, 248, 248);
}

/* 白色内容卡片 */
.article-card {
  background: var(--white);
  border-radius: 4px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
  padding: 40px;
  transition: box-shadow 0.3s;
}

/* 文章标题 */
.article-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

/* 文章元信息（时间、点击量） */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid #f0f0f0;
  color: #164287;
  font-size: 0.85rem;
}

.article-meta span i {
  margin-right: 6px;
  color: #164287;
}

/* 文章正文 */
.article-content {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 48px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 30px 0 15px;
}

.article-content img {
  max-width: 100%;
  border-radius: 16px;
  margin: 20px 0;
}

/* 上下篇翻页导航 */
.pagination-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.nav-link-item {
  flex: 1;
  min-width: 200px;
  text-decoration: none;
  transition: all 0.2s;
}

.nav-link-item.prev {
  text-align: left;
}

.nav-link-item.next {
  text-align: right;
}

.nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-light);
  margin-bottom: 6px;
  display: block;
}

.nav-title {
  font-weight: 600;
  color: var(--primary-dark);
  transition: color 0.2s;
  font-size: 0.95rem;
}

.nav-link-item:hover .nav-title {
  color: var(--primary-cyan);
}

.no-link {
  color: #ccc;
  cursor: default;
}

.no-link .nav-title {
  color: #ccc;
}

/* 响应式 */
@media (max-width: 768px) {
  .article-card {
    padding: 20px;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta {
    gap: 16px;
    font-size: 0.75rem;
  }

  .pagination-nav {
    flex-direction: column;
    gap: 16px;
  }

  .nav-link-item {
    text-align: left !important;
  }
}


/* ----------- 优势 ------------- */
/* 优势卡片样式 (无图标，但有超大透明数字底纹) */
.advantages-section .advantage-card {
  position: relative;
  background: #ffffff;
  padding: 2rem 1.5rem;
  transition: all 0.3s ease;
  /* border: 1px solid #eef2f8; */
  height: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  z-index: 1;
}

.advantages-section .advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -12px rgba(16, 51, 105, 0.12);
  border-color: #dee6f0;
}

/* 背景超大透明数字 (01, 02, 03, 04) 位于右下角或左下，低调优雅 */
.advantages-section .card-bg-number {
  position: absolute;
  bottom: 0.5rem;
  right: 1rem;
  font-size: 6rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(16, 51, 105, 0.06);
  user-select: none;
  pointer-events: none;
  z-index: 0;
  font-family: 'Segoe UI', 'Arial', monospace;
  letter-spacing: -2px;
}

/* 内容区域 (确保在数字上方) */
.advantages-section .card-content {
  position: relative;
  z-index: 2;
}

/* 关键词标题 */
.advantages-section .advantage-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1f2a44;
  margin-bottom: 1rem;
  letter-spacing: -0.2px;
}

/* 描述文字 */
.advantages-section .advantage-desc {
  font-size: 0.92rem;
  color: #6a7a90;
  line-height: 1.6;
  margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .advantages-section .advantages-section {
    padding: 2.5rem 0;
  }

  .advantages-section .advantage-card {
    padding: 1.5rem;
  }

  .advantages-section .card-bg-number {
    font-size: 4.5rem;
    bottom: 0.2rem;
    right: 0.8rem;
  }

  .advantages-section .advantage-title {
    font-size: 1.2rem;
  }

  .advantages-section .advantage-desc {
    font-size: 0.85rem;
  }
}


/* -------------- 使命+愿景板块 --------------- */
.vision-mission-section {
  background: transparent;
}

/* 通用卡片容器: 相对定位，背景图，圆角，溢出隐藏 */
.vm-card {
  position: relative;
  /* border-radius: 28px; */
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 420px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  cursor: pointer;
}

/* 默认遮罩层 (半透明深色让文字可读) */
.vm-card .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 20, 36, 0.55);
  transition: background 0.3s ease;
  z-index: 1;
}

/* 默认底部文字区域 (标题靠下居中) */
.default-content {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 2;
  transition: opacity 0.2s ease;
}

.default-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  margin-bottom: 0.3rem;
}

.default-sub {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
}

/* 悬浮时显示的完整信息区域 (居中显示，上下左右居中) */
.hover-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: rgba(16, 51, 105, 0.92);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  /* border-radius: 28px; */
}

.hover-content-inner {
  max-width: 90%;
}

.hover-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  display: inline-block;
  padding-bottom: 0.3rem;
}

.hover-text {
  font-size: 1rem;
  line-height: 1.6;
  color: #f0f4fc;
  margin-top: 1rem;
  font-weight: 400;
}

/* 鼠标移上时显示hover内容，隐藏默认底部文字(可选)，同时遮罩也可微调 */
.vm-card:hover .hover-content {
  opacity: 1;
  visibility: visible;
}

.vm-card:hover .default-content {
  opacity: 0;
  visibility: hidden;
}

.vm-card:hover .overlay {
  background: rgba(10, 20, 36, 0.3);
}

/* 左右两个卡片间距自适应 */
.row.gap-card {
  row-gap: 1.5rem;
}

@media (max-width: 768px) {
  .vm-card {
    min-height: 360px;
  }

  .default-title {
    font-size: 1.5rem;
  }

  .hover-title {
    font-size: 1.5rem;
  }

  .hover-text {
    font-size: 0.9rem;
  }
}


/* --------- 核心价值观板块 ---------- */
.core-values-section .section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.core-values-section .section-title {
  font-size: 2rem;
  font-weight: 600;
  color: #103369;
  margin-bottom: 0.75rem;
}

@media (max-width: 992px) {
  .core-values-section .section-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .core-values-section .section-title {
    font-size: 1.5rem;
  }
}

.core-values-section .title-divider {
  width: 50px;
  height: 2px;
  background: #164287;
  margin: 0 auto 1rem auto;
}

.core-values-section .section-sub {
  font-size: 1rem;
  font-weight: 500;
  color: #5f7a9e;
}

.value-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: #ffffff;
  border-radius: 24px;
  transition: all 0.3s ease;
  border: 1px solid #eef2f8;
  height: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -12px rgba(16, 51, 105, 0.12);
  border-color: #dee6f0;
}

/* 图标区域 */
.value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.2rem;
  background: linear-gradient(135deg, #10336908, #16428708);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon i {
  font-size: 2.5rem;
  color: #164287;
}

/* 标题关键词 */
.value-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1f2a44;
  margin-bottom: 0.75rem;
}

/* 简短描述（可进一步扩展） */
.value-desc {
  font-size: 0.9rem;
  color: #6a7a90;
  line-height: 1.5;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .core-values-section {
    padding: 2.5rem 0;
  }

  .value-card {
    padding: 1.5rem 1rem;
  }

  .value-icon {
    width: 65px;
    height: 65px;
  }

  .value-icon i {
    font-size: 2rem;
  }

  .value-title {
    font-size: 1.2rem;
  }
}


/* ------------ TAB -------------- */
.tab-section .tab-hero {
  width: 100%;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-image 0.4s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  /* padding: 4rem 2rem; */
  padding: 100px 2rem;
}

/* .tab-section .tab-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 20, 36, 0.55);
  z-index: 1;
  backdrop-filter: brightness(0.9);
} */

.tab-section .tab-content-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  color: #fff;
}

.tab-section .tab-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.tab-section .tab-btn {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  /* border: 1px solid rgba(255, 255, 255, 0.25); */
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  /* border-radius: 60px; */
  color: #f0f3f8;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.tab-section .tab-btn:hover {
  background: rgba(22, 66, 135, 0.85);
  /* border-color: rgba(255, 255, 255, 0.5); */
  transform: translateY(-2px);
}

.tab-section .tab-btn.active {
  background: #164287;
  /* border-color: #fff; */
  color: white;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
}

.tab-section .middle-content {
  text-align: center;
  /* max-width: 850px;
  margin: 0 auto 3rem auto; */
}

.tab-section .middle-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.tab-section .middle-desc {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0.95;
  max-width: 850px;
  margin: 0 auto 3rem auto;
}

.tab-section .cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.tab-section .advantage-card {
  /* background: rgba(255, 255, 255, 0.1); */
  /* backdrop-filter: blur(8px); */
  /* border-radius: 24px; */
  padding: 3rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  /* border: 1px solid rgba(255, 255, 255, 0.25); */
  /* background-image: url('../images/dot01.png'); */
  background-repeat: no-repeat;
  background-position: center center;
  /* background-size: contain; */
}

.tab-section .card-keyword {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #fff;
}

.tab-section .card-desc {
  font-size: 0.85rem;
  opacity: 0.9;
  line-height: 1.4;
  color: #f0f4fa;
}

/* 所有面板默认隐藏 */
.tab-section .tab-panel {
  display: none;
}

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

  .tab-section .middle-title {
    font-size: 2.2rem;
  }

  .tab-section .tab-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  /* .tab-section .cards-grid {
    grid-template-columns: 1fr;
  } */

  .tab-section .middle-title {
    font-size: 1.8rem;
  }

  .tab-section .card-keyword {
    font-size: 1rem;
  }

  .tab-section .middle-desc {
    font-size: 0.95rem;
  }

  .tab-section .tab-hero {
    padding: 2rem 1rem;
  }
}


/* -------------------------  ---------------------------*/
.split-section .split-switch {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* 左右两个面板的包裹容器 */
.split-section .split-container {
  display: flex;
  width: 100%;
  height: 100%;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 左侧面板 (默认较大) */
.split-section .split-left {
  width: 70%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  transition: width 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 右侧面板 (默认较小) */
.split-section .split-right {
  width: 30%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  transition: width 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 切换后的状态：左侧变小，右侧变大 */
.split-section .split-container.switched .split-left {
  width: 30%;
}

.split-section .split-container.switched .split-right {
  width: 70%;
}

/* 左侧和右侧的内容容器 (居中显示) */
.split-section .side-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  max-width: 80%;
  padding: 2rem;
  /* background: rgba(0, 0, 0, 0.3); */
  /* backdrop-filter: blur(8px); */
  border-radius: 32px;
  /* border: 1px solid rgba(255, 255, 255, 0.2); */
}

.split-section .side-content h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}

.split-section .side-content p {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.95;
}

/* 遮罩层 + 提示按钮区域 (位于折叠侧的上方) */
.split-section .collapsed-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.split-section .collapsed-overlay:hover {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
}

/* 动画提示按钮 (跳动效果) */
.split-section .open-btn {
  width: 70px;
  height: 70px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  transition: all 0.3s;
  animation: bounce 1.5s infinite;
}

.split-section .open-btn i {
  font-size: 2rem;
  color: #fff;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(8px);
  }
}

/* 右侧折叠区显示的标题 */
.split-section .collapsed-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #fff;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* 左侧折叠区显示的标题 (当右侧展开时，左侧也会出现遮罩) */
.split-section .collapsed-overlay .arrow-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* 大区域的内容 (可见区) */
.split-section .expanded-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  max-width: 70%;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .split-section .side-content h2 {
    font-size: 1.5rem;
  }

  .split-section .side-content p {
    font-size: 0.8rem;
  }

  .split-section .open-btn {
    width: 50px;
    height: 50px;
  }

  .split-section .open-btn i {
    font-size: 1.3rem;
  }

  .split-section .collapsed-title {
    font-size: 1rem;
  }
}

/* 隐藏某个区域的遮罩（当该区域为大区域时，遮罩不显示） */
.split-section .split-left .collapsed-overlay,
.split-section .split-right .collapsed-overlay {
  display: none;
}

/* 当左侧处于小区域时（宽度30%），显示其遮罩 */
.split-section .split-container.switched .split-left .collapsed-overlay {
  display: flex;
}

/* 当左侧处于小区域时，隐藏左侧的内容区域（side-content），显示遮罩即可 */
.split-section .split-container.switched .split-left .expanded-content {
  display: none;
}

/* 左侧大区域时，隐藏遮罩，显示内容 */
.split-section .split-left .expanded-content {
  display: block;
}

.split-section .split-container.switched .split-left .expanded-content {
  display: none;
}

/* 右侧逻辑：默认右侧是小区域，显示遮罩+隐藏内容 */
.split-section .split-right .expanded-content {
  display: none;
}

.split-section .split-right .collapsed-overlay {
  display: flex;
}

/* 当切换到右侧为大区域时，显示内容，隐藏遮罩 */
.split-section .split-container.switched .split-right .expanded-content {
  display: block;
}

.split-section .split-container.switched .split-right .collapsed-overlay {
  display: none;
}

/* 左侧默认是大区域，显示内容，隐藏遮罩 */
.split-section .split-left .collapsed-overlay {
  display: none;
}

.split-section .split-left .expanded-content {
  display: block;
}

/* 按钮点击时移除默认样式 */
.split-section button {
  background: none;
  border: none;
  cursor: pointer;
}


/* -------------- 服务与支持 ------------- */
.service-support-page .banner-section {
  position: relative;
}

.service-support-page .category-hero {
  height: 320px;
  background-size: cover;
  background-position: center 30%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.service-support-page .category-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.service-support-page .category-title {
  position: relative;
  z-index: 2;
  color: white;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.service-support-page .hero-breadcrumb {
  position: relative;
  z-index: 2;
}

.service-support-page .breadcrumb {
  background: transparent;
  justify-content: center;
}

.service-support-page .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 500;
}

.service-support-page .breadcrumb-item.active {
  color: #ffffff;
}

.service-support-page .breadcrumb-item+.breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.6);
  content: "›";
}

/* 服务核心卡片区 */
.service-support-page .services-grid {
  padding: 70px 0 40px;
}

.service-support-page .service-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 2rem 1.5rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #eef2f8;
  height: 100%;
  text-align: center;
}

.service-support-page .service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(16, 51, 105, 0.12);
  border-color: #dce5f0;
}

.service-support-page .service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #10336910, #16428710);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.service-support-page .service-icon i {
  font-size: 2.5rem;
  color: #164287;
}

.service-support-page .service-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #103369;
}

@media (max-width: 768px) {
  .service-support-page .service-card h4 {
    font-size: 1.1rem;
  }
}

.service-support-page .service-card p {
  color: #4a5b6e;
  line-height: 1.5;
}

/* 技术保障与流程区域 */
.service-support-page .tech-assurance {
  background-color: #F8FAFE;
  padding: 60px 0;
  margin: 20px 0;
}

.service-support-page .section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.service-support-page .section-title h2 {
  font-size: 2rem;
  font-weight: 600;
  color: #0f2c45;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

@media (max-width: 992px) {
  .service-support-page .section-title h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .service-support-page .section-title h2 {
    font-size: 1.5rem;
  }
}

.service-support-page .section-title h2:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  background: linear-gradient(90deg, #103369, #164287);
  border-radius: 3px;
}

.service-support-page .assure-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.service-support-page .assure-item {
  flex: 1;
  min-width: 200px;
  text-align: center;
  background: white;
  border-radius: 28px;
  padding: 1.8rem 1rem;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
  transition: 0.2s;
}

.service-support-page .assure-item .step-num {
  font-size: 2rem;
  font-weight: 800;
  color: #164287;
  opacity: 0.6;
  margin-bottom: 0.5rem;
}

.service-support-page .btn-outline-primary-custom {
  border: 1px solid #103369;
  color: #103369;
  border-radius: 40px;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  transition: 0.2s;
  display: inline-block;
  text-decoration: none;
}

.service-support-page .btn-outline-primary-custom:hover {
  background: #103369;
  color: white;
}

@media (max-width: 768px) {
  .service-support-page .category-title {
    font-size: 2rem;
  }

  .service-support-page .services-grid {
    padding: 40px 0;
  }
}



/* 产品分类板块 */
.ps-cat-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.ps-cat-btn {
  display: inline-block;
  background: transparent;
  border: 2px solid #164287;
  padding: 8px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  color: #164287;
  text-decoration: none;
  transition: all 0.3s ease;
}

.ps-cat-btn:hover,
.ps-cat-btn.active {
  background: #164287;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(22, 66, 135, 0.3);
}

/* 图片容器（相对定位，用于覆盖层） */
.ps-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  height: 100%;
}

/* 左侧大图卡片 */
.ps-featured-card {
  /* border-radius: 24px; */
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
  height: 100%;
  background: #fff;
}

.ps-featured-card a {
  display: block;
  text-decoration: none;
  height: 100%;
}

.ps-featured-card img {
  width: 100%;
  height: 100%;
  /* aspect-ratio: 4 / 3; */
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.ps-featured-card:hover img {
  transform: scale(1.03);
}

/* 右侧子分类卡片 */
.ps-subcard {
  background: #fff;
  /* border-radius: 20px; */
  overflow: hidden;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
  border: 1px solid #eef2f8;
  height: 100%;
}

.ps-subcard a {
  text-decoration: none;
  display: block;
}

.ps-subcard-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.ps-subcard:hover .ps-subcard-img {
  transform: scale(1.02);
}

/* ========== 半透明覆盖层样式 ========== */
.ps-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(16, 51, 105, 0.85);
  backdrop-filter: blur(3px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  transition: all 0.3s ease;
}

/* PC端：默认隐藏覆盖层，悬停时显示 */
@media (min-width: 769px) {
  .ps-overlay {
    opacity: 0;
    visibility: hidden;
  }

  .ps-img-wrapper:hover .ps-overlay {
    opacity: 1;
    visibility: visible;
  }
}

/* 移动端：始终显示覆盖层 */
@media (max-width: 768px) {
  .ps-overlay {
    opacity: 1;
    visibility: visible;
    background: rgba(16, 51, 105, 0.75);
    backdrop-filter: blur(2px);
  }

  /* 移动端图片不缩放，避免性能问题 */
  .ps-featured-card:hover img,
  .ps-subcard:hover .ps-subcard-img {
    transform: none;
  }
}

/* 左侧大图覆盖层标题 */
.ps-overlay-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}

/* 右侧小图覆盖层标题 */
.ps-overlay-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.6rem;
}

/* 查看更多按钮 - 大图 */
.ps-view-btn {
  display: inline-block;
  background: transparent;
  border: 1.5px solid #fff;
  padding: 6px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 40px;
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.ps-view-btn:hover {
  background: #fff;
  color: #164287;
  transform: translateY(-2px);
}

/* 查看更多按钮 - 小图 */
.ps-view-btn-sm {
  display: inline-block;
  background: transparent;
  border: 1.5px solid #fff;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 40px;
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.ps-view-btn-sm:hover {
  background: #fff;
  color: #164287;
  transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .ps-category-wrapper {
    padding: 2.5rem 0;
  }

  .ps-cat-btn {
    font-size: 0.85rem;
    padding: 6px 14px;
  }

  .ps-overlay-title {
    font-size: 1rem;
  }

  .ps-overlay-subtitle {
    font-size: 0.85rem;
  }

  .ps-view-btn {
    padding: 4px 12px;
    font-size: 0.7rem;
  }

  .ps-view-btn-sm {
    padding: 3px 8px;
    font-size: 0.6rem;
  }
}