/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 确保整个页面没有任何可能的虚线效果 */
html, body, body * {
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    border-left: none !important;
    border-right: none !important;
    border-image: none !important;
}

/* 特别确保伪元素不会生成虚线 */
html::before,
html::after,
body::before,
body::after {
    border: none !important;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航 */
.top-nav {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.top-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
/*    padding: 20px;*/
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #4682B4;
}

.nav-menu ul {
    display: flex;
    list-style: none;
}

.nav-menu ul li {
    margin-left: 35px;
    position: relative;
}

/* 顶部搜索框样式 */
.nav-search {
    margin-left: auto;
}

.nav-search .search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-search-input {
    width: 200px;
    padding: 8px 40px 8px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    background-color: #ffffff;
}

.nav-search-input:focus {
    width: 250px;
    border-color: #4682B4;
    box-shadow: 0 0 8px rgba(70, 130, 180, 0.4);
    background-color: #ffffff;
}

.nav-search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666666;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-search-btn:hover {
    color: #4682B4;
}

/* 移动端搜索按钮样式 */
.search-btn {
    background: none;
    border: none;
    color: #333;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px;
    font-size: 16px;
    outline: none;
    transition: color 0.3s ease;
}

.nav-menu ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 10px 15px 10px 0;
    display: block;
    position: relative;
}

.nav-menu ul li a:hover {
    color: #4682B4;
}

/* 下拉菜单样式 - 基于参考文件oil-gas.html */
.menu-item-has-children {
    position: relative;
}

.submenu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 0;
    display: none;
    min-width: 280px;
    z-index: 1001;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0);
}

.submenu li {
    margin: 0;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.submenu li a {
    padding: 14px 20px;
    color: #333;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    display: block;
    text-decoration: none;
}

.submenu li a:hover {
    color: #4682B4;
}

/* 下拉子菜单样式 */
.menu-item-has-children > a::after {
    content: '\25BC';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: #666;
    transition: transform 0.3s ease;
}

.submenu .menu-item-has-children > a::after {
    content: '\25B6';
    right: 10px;
    font-size: 10px;
}

.menu-item-has-children .submenu {
    left: 0;
    top: 100%;
    margin-left: 0;
    z-index: 1002;
    transform: translateY(0);
}

/* 确保子菜单层级正确 */
.menu-item-has-children .menu-item-has-children .submenu {
    left: 100%;
    top: 0;
    margin-left: 0;
    z-index: 1003;
}

/* 显示下拉菜单 */
.menu-item-has-children:hover > .submenu,
.menu-item-has-children.show > .submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 菜单项悬停效果 */
.menu-item-has-children:hover > a::after {
    transform: translateY(-50%);
}

.submenu .menu-item-has-children:hover > a::after {
    transform: translateY(-50%);
}

/* 移动端下拉菜单样式 */
.nav-menu.mobile-active .menu-item-has-children .submenu {
    position: static;
    box-shadow: none;
    padding: 0;
    margin-left: 15px;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    display: none;
    min-width: auto;
    border: none;
    background-color: transparent;
    opacity: 1;
    visibility: visible;
    transform: none;
}

.nav-menu.mobile-active .menu-item-has-children .submenu li {
    border-bottom: none;
}

.nav-menu.mobile-active .menu-item-has-children .submenu li a {
    padding: 12px 15px;
    padding-left: 25px;
    font-size: 13px;
    color: #666;
}

.nav-menu.mobile-active .menu-item-has-children .submenu li a:hover {
    padding-left: 30px;
    color: #4682B4;
}

.nav-menu.mobile-active .menu-item-has-children > a {
    position: relative;
}

.nav-menu.mobile-active .menu-item-has-children > a::after {
    content: '\25BC';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: #4682B4;
}

.nav-menu.mobile-active .submenu .menu-item-has-children > a::after {
    content: '\25B6';
    right: 25px;
    font-size: 10px;
}

.nav-menu.mobile-active .menu-item-has-children.show > .submenu {
    display: block;
}

.nav-menu.mobile-active .menu-item-has-children.show > a::after {
    transform: translateY(-50%);
}

.nav-menu.mobile-active .submenu .menu-item-has-children.show > a::after {
    transform: translateY(-50%);
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

/* 搜索框和联系按钮样式 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-wrapper {
    position: relative;
}

.search-btn {
    background: none;
    border: none;
    color: #333;
    font-size: 18px;
    cursor: pointer;
    padding: 10px;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.search-btn:hover {
    background-color: transparent;
    color: #4682B4;
}

.search-box {
      position: absolute;
      right: 0;
      top: calc(100% + 10px);
      background-color: rgba(255, 255, 255, 0.95);
      border-radius: 4px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      display: none;
      width: 300px;
      z-index: 1001;
      border: none;
  }

.search-box.active {
      display: block;
  }

.search-header {
    display: flex;
    justify-content: flex-end;
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
}

.search-close {
    background: none;
    border: none;
    color: #666;
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.search-close:hover {
    background-color: transparent;
    color: #4682B4;
}

.search-box form {
    display: flex;
    padding: 0;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 15px;
}

.search-box input {
    flex: 1;
    padding: 8px 15px;
    border: none;
    font-size: 14px;
    color: #333;
    background-color: #fff;
    outline: none;
}

.search-box button[type="submit"] {
    padding: 8px 15px;
    background-color: #fff;
    color: #666;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
}

.search-box input:focus {
    box-shadow: none;
}

.search-box button[type="submit"]:hover {
    background-color: transparent;
    color: #4682B4;
}

.contact-btn .get-in-touch {
    background-color: #4682B4;
    color: #fff;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.contact-btn .get-in-touch:hover {
    background-color: #3A6F9A;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(70, 130, 180, 0.3);
}

/* 移动端样式 */
@media (max-width: 992px) {
    .nav-right {
        display: none;
    }
    
    /* 移动端二级菜单样式 */
    .product-categories .submenu,
    .service-categories .submenu {
        position: static;
        width: auto;
        box-shadow: none;
        display: none;
    }
    
    /* 移动端点击显示二级菜单 */
    .product-categories .has-submenu.active > .submenu,
    .service-categories .has-submenu.active > .submenu {
        display: block;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: 0.3s;
}

/* 横幅轮播 */
.banner {
      margin-top: 0;
      height: 750px;
      overflow: hidden;
      position: relative;
  }

.slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.slide-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
}

.slide-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
}

.slide-btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: #4682B4;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.slide-btn:hover {
    background-color: #36648B;
}

.slider-controls {
      position: absolute;
      top: 50%;
      left: 0;
      right: 0;
      display: flex;
      justify-content: space-between;
      transform: translateY(-50%);
      padding: 0 20px;
      z-index: 100;
  }

.slider-controls button {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slider-controls button:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* 公司优势 */
.advantages {
    padding: 80px 0;
    background-color: #fff;
}

/* 基础标题样式 */
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #4682B4;
}

/* 非首页标题样式 - 居左显示 */
.section-title2 {
    text-align: left;
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin: 30px 0 40px 0;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    display: block;
    padding-right: 0;
}

.section-title2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    transform: translateX(0);
    width: 80px;
    height: 3px;
    background-color: #4682B4;
    z-index: 1;
}

/* 产品页面布局 */
.products-page-content {
      display: flex;
      gap: 40px;
      margin-top: 30px;
      align-items: stretch;
  }

/* 产品详情页面布局 */
.product-details-page-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* 产品侧边栏容器 */
.product-sidebar {
      flex: 0 0 300px;
      display: flex;
      flex-direction: column;
      gap: 3px;
      position: sticky;
      top: 30px;
      z-index: 10;
      height: auto;
      align-self: flex-start;
  }

/* 产品分类导航样式 */
.product-categories {
      background-color: #fff !important;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      margin-top: 0;
  }

/* 产品分类搜索框样式 */
.category-search {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    width: 100%;
    margin-bottom: 0;
    margin-top: 30px;
}

.search-title {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4682B4;
    font-family: inherit;
    line-height: 1.2;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.category-search-input {
    width: 100%;
    padding: 10px 45px 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    background-color: #fff;
    height: auto;
}

.category-search-input:focus {
    border-color: #4682B4;
    box-shadow: 0 0 5px rgba(70, 130, 180, 0.3);
}

.category-search-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 8px;
    font-size: 14px;
    outline: none;
    transition: color 0.3s ease;
}

.category-search-btn:hover {
    color: #4682B4;
}

.product-categories h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4682B4;
}

.product-categories ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.product-categories li {
    margin-bottom: 10px;
    position: relative;
}

.product-categories a {
    color: #4682B4;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
    padding-left: 15px;
    position: relative;
}

.product-categories a:hover {
    color: #36648B;
    padding-left: 20px;
}

.product-categories a::before {
    content: '';
    display: none;
    color: #4682B4;
    position: absolute;
    left: 0;
    font-size: 18px;
}

/* 二级菜单样式 */
.product-categories .has-submenu {
    margin-bottom: 0;
    position: relative;
    z-index: 1001;
}

/* 重置并统一产品和服务分类的子菜单样式 */
.product-categories .submenu,
.service-categories .submenu {
    position: static;
    width: auto;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 0 0 5px 5px;
    padding: 10px 0 10px 25px;
    z-index: 1002;
    margin: 5px 0 15px 0;
    display: none;
    transition: all 0.3s ease;
    opacity: 1;
    visibility: visible;
    left: auto;
    top: auto;
}

/* 点击展开/折叠二级菜单 - 最高优先级 */
.product-categories .has-submenu.active > .submenu,
.service-categories .has-submenu.active > .submenu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 子菜单切换按钮样式 */
.product-categories .submenu-toggle,
.service-categories .submenu-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #4682B4;
    cursor: pointer;
    padding: 5px;
    font-size: 12px;
    outline: none;
    transition: transform 0.3s ease;
}

.product-categories .has-submenu.active .submenu-toggle,
.service-categories .has-submenu.active .submenu-toggle {
    transform: translateY(-50%) rotate(180deg);
}

.product-categories .submenu li {
    margin: 0;
}

.product-categories .submenu li a {
    font-size: 14px;
    padding: 10px 20px;
    display: block;
    color: #333;
    background-color: transparent;
    transition: all 0.3s ease;
    border-radius: 0;
}

.product-categories .submenu li a:hover {
    color: #4682B4;
    padding-left: 25px;
}

.product-categories .submenu li a::before {
    content: '';
    display: none;
}

/* 面包屑导航样式 */
.breadcrumb {
    margin-bottom: 20px;
    padding: 10px 0;
    border-bottom: 0;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumb li {
    margin-right: 10px;
    font-size: 14px;
}

.breadcrumb li::after {
    content: '/';
    margin-left: 10px;
    color: #999;
}

.breadcrumb li:last-child::after {
    display: none;
}

.breadcrumb li.active {
    color: #666;
    font-weight: 500;
}

.breadcrumb a {
    color: #4682B4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #36648B;
}

/* 产品列表样式 */
.products-list {
    flex: 1;
}

.products-list h1 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #2c3e50;
    margin: 40px 0 30px 0;
    padding: 0;
    line-height: 1.2;
    position: relative;
    display: block;
    left: 0;
    transform: none;
}

.products-list h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #4682B4;
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 响应式标题调整 */
@media (max-width: 768px) {
    .products-list h1 {
        font-size: 30px;
        margin: 35px 0 25px 0;
    }
}

@media (max-width: 480px) {
    .products-list h1 {
        font-size: 26px;
        margin: 30px 0 20px 0;
    }
}

/* 搜索排序容器样式 */
.search-sort-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

/* 搜索表单样式 */
.search-form {
    margin: 10px 0 40px 0;
    text-align: center;
}

.search-form form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.search-form input {
    width: 100%;
    max-width: 600px;
    padding: 15px 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.search-form input:focus {
    border-color: #4682B4;
    box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.1);
}

.search-form button {
    padding: 15px 30px;
    background-color: #4682B4;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(70, 130, 180, 0.2);
    white-space: nowrap;
}

.search-form button:hover {
    background-color: #36648B;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(70, 130, 180, 0.3);
}

.search-form button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(70, 130, 180, 0.2);
}

/* 响应式搜索按钮调整 */
@media (max-width: 768px) {
    .search-form button {
        padding: 14px 25px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .search-form button {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* 排序选项样式 */
.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-options label {
    font-size: 14px;
    color: #666;
}

.sort-options select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
    background-color: #fff;
}

.sort-options select:focus {
    border-color: #4682B4;
}

/* 服务页面布局 */
.services-page-content {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

/* 服务分类导航样式 */
.service-categories {
    flex: 0 0 250px;
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 10;
}

.service-categories h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4682B4;
}

.service-categories ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.service-categories li {
    margin-bottom: 10px;
    position: relative;
}

.service-categories a {
    color: #4682B4;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
    padding-left: 15px;
    position: relative;
}

.service-categories a:hover {
    color: #36648B;
    padding-left: 20px;
}

.service-categories a::before {
    content: '•';
    color: #4682B4;
    position: absolute;
    left: 0;
    font-size: 18px;
}

/* 二级菜单样式 */
.service-categories .has-submenu {
    margin-bottom: 0;
    position: relative;
}

/* 二级菜单定位和样式 - 类似顶部导航 */
.service-categories .submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    width: 260px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px 0;
    z-index: 1000;
    margin: 0;
}

/* 鼠标悬停显示二级菜单 */
.service-categories .has-submenu:hover > .submenu {
    display: block;
}

.service-categories .submenu li {
    margin: 0;
}

.service-categories .submenu li a {
    font-size: 14px;
    padding: 10px 20px;
    display: block;
    color: #333;
    background-color: transparent;
    transition: all 0.3s ease;
    border-radius: 0;
}

.service-categories .submenu li a:hover {
    color: #4682B4;
    padding-left: 25px;
}

.service-categories .submenu li a::before {
    content: '';
    display: none;
}

/* 服务列表样式 */
.services-list {
    flex: 1;
}

/* 左对齐标题变体 */
.section-title-left {
    text-align: left;
    font-size: 32px;
    margin: 60px 0 40px 0;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    display: inline-block;
    background-color: #fff;
    padding-right: 20px;
}

.section-title-left::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    transform: translateX(0);
    width: 80px;
    height: 3px;
    background-color: #4682B4;
    z-index: -1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 5px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 3;
    overflow: hidden;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    margin-bottom: 20px;
    position: relative;
    z-index: 4;
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
    position: relative;
    z-index: 4;
    text-shadow: none !important;
    -webkit-text-stroke: none !important;
    background-color: transparent !important;
}

.advantage-item h3::before,
.advantage-item h3::after {
    content: none !important;
    display: none !important;
}

.advantage-item p {
    color: #666;
    position: relative;
    z-index: 4;
    text-shadow: none !important;
    -webkit-text-stroke: none !important;
}

/* 公司介绍 */
.about {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.about-text p {
    margin-bottom: 25px;
    color: #666;
    font-size: 16px;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    background-color: #4682B4;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(70, 130, 180, 0.2);
}

.btn:hover {
    background-color: #36648B;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(70, 130, 180, 0.3);
}

.about-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(70, 130, 180, 0.2);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* About Slider Styles */
.about-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.about-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.about-slide.active {
    opacity: 1;
    position: relative;
}

.about-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.about-image:hover .about-slide img {
    transform: scale(1.02);
}

/* About Carousel */
.about-carousel {
    width: 100%;
    position: relative;
    overflow: hidden;
    height: auto;
    min-height: 300px;
    max-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-carousel {
        height: auto;
        min-height: 200px;
        max-height: 400px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .carousel-container {
        height: 100%;
        align-items: center;
    }
    
    .carousel-slide {
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .carousel-slide img {
        width: auto;
        max-width: 100%;
        height: auto;
        max-height: 100%;
    }
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
    position: relative;
    z-index: 11;
    align-items: center;
}

.carousel-slide {
    flex: 0 0 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: all 0.5s ease;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.carousel-slide img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 导航按钮样式 */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 12;
    transition: background-color 0.3s ease;
}

.carousel-nav:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.carousel-nav.prev {
    left: 20px;
}

.carousel-nav.next {
    right: 20px;
}

.carousel-nav span {
    display: block;
    line-height: 1;
}

.carousel-slide:hover {
    opacity: 0.8;
    transform: scale(1.05);
    z-index: 1;
}

.carousel-slide.center:hover {
    opacity: 1;
    transform: scale(1.05);
    z-index: 2;
}

/* Slider Controls */
.about-slider-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.about-slider-controls button {
    width: 40px;
    height: 40px;
    background-color: rgba(70, 130, 180, 0.8);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.about-slider-controls button:hover {
    background-color: rgba(70, 130, 180, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.about-slider-controls button:active {
    transform: translateY(0);
}

.about-slider-controls button svg {
    stroke: #fff;
    width: 20px;
    height: 20px;
}

/* 我们的服务 */
.services {
    padding: 80px 0;
    background-color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-item {
    background-color: #f8f9fa;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-image {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
}

.service-image img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-info {
    padding: 20px;
    text-align: center;
}

.service-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.service-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.service-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: #4682B4;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.service-btn:hover {
    background-color: #36648B;
}

/* 推荐产品 */
.products {
    padding: 80px 0;
    background-color: #fff;
}

.products-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 10px;
      padding: 20px;
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  }

/* 响应式调整 */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

.product-item {
    background-color: #f8f9fa;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
      position: relative;
      height: 250px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #f0f2f5;
  }

.product-image img {
      position: relative;
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      object-position: center;
  }

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.product-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: #4682B4;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.product-btn:hover {
    background-color: #36648B;
}

/* 新产品滚动 */
.new-products {
    padding: 80px 0;
    background-color: #f5f5f5;
    overflow: hidden;
}

.new-products-slider {
    overflow: hidden;
    position: relative;
}

.slider-track {
      display: flex;
      animation: scroll 20s linear infinite;
      width: calc(330px * 12);
  }

.new-product-item {
    flex: 0 0 300px;
    margin-right: 30px;
    text-align: center;
}

.new-product-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 15px;
}

.new-product-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

@keyframes scroll {
      0% {
          transform: translateX(0);
      }
      100% {
          transform: translateX(calc(-100% / 2));
      }
  }

/* 公司评价 */
.testimonials {
    padding: 100px 0 50px 0;
    background-color: #f5f5f5;
}

.testimonials-grid {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 30px;
    padding: 30px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.testimonials-grid::-webkit-scrollbar {
    display: none;
}

.testimonial-item {
    flex: 0 0 calc(33.333% - 20px);
    min-width: 280px;
    max-width: calc(33.333% - 20px);
    background-color: #fff;
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    padding: 0;
    background-color: none;
    border-radius: 0;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.testimonial-controls::before {
    content: none;
}

.testimonial-controls button {
    width: 32px;
    height: 32px;
    background-color: transparent;
    border: 1px solid rgba(100, 100, 100, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
    opacity: 0.7;
}

.testimonial-controls button::after {
    content: none;
}

.testimonial-controls button:hover {
    background-color: rgba(255, 255, 255, 0.7);
    transform: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    border-color: rgba(100, 100, 100, 0.7);
    opacity: 0.9;
}

.testimonial-controls button:hover svg {
    stroke: rgba(60, 60, 60, 0.9);
    transform: none;
}

.testimonial-controls button:active {
    transform: none;
    opacity: 0.8;
}

.testimonial-controls svg {
    width: 16px;
    height: 16px;
    stroke: rgba(70, 70, 70, 0.8);
    stroke-width: 1.5;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.testimonial-content {
    margin-bottom: 25px;
    position: relative;
}

.testimonial-content::before {
    content: "\201C";
    position: absolute;
    top: -15px;
    left: -5px;
    font-size: 60px;
    color: rgba(70, 130, 180, 0.1);
    font-family: 'Georgia', serif;
    line-height: 1;
}

.testimonial-content p {
    font-size: 16px;
    color: #555;
    font-style: italic;
    line-height: 1.7;
    padding-left: 12px;
    border-left: 3px solid #4682B4;
    word-wrap: break-word;
    white-space: normal;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 15px;
}

.testimonial-author img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    margin-bottom: 12px;
    border: 3px solid #4682B4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.testimonial-author h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 6px;
}

.testimonial-author p {
    font-size: 13px;
    color: #888;
    font-style: normal;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Combined Contact Section */
.contact-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

/* Contact Info Styles */
.contact-info {
    padding: 0;
    background-color: transparent;
}

.contact-info h3 {
    margin-bottom: 35px;
    color: #333;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 3px solid #4682B4;
    display: inline-block;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
}

.contact-details h4 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

/* Contact Page Content Layout */
.contact-page-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
}

.contact-content-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

/* About Page Container */
.about-page-content .container {
    max-width: 1200px;
}

.contact-info, .contact-form {
    flex: 1;
    min-width: 300px;
}

/* Contact Form Styles */
.contact-form {
    padding: 0;
    background-color: transparent;
}

.contact-form h3 {
    margin-bottom: 35px;
    color: #333;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 3px solid #4682B4;
    display: inline-block;
}

.contact-form form {
    max-width: 100%;
    margin: 0;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4682B4;
    box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.1);
    background-color: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 180px;
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 18px;
    background-color: #4682B4;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    background-color: #36648B;
    transform: translateY(-2px);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Contact Item Styles */
.contact-item {
    display: flex;
    align-items: flex-start;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    margin-right: 25px;
    margin-top: 5px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #4682B4;
    border-radius: 50%;
}

.contact-icon svg {
    stroke: #fff;
    width: 24px;
    height: 24px;
}

.contact-details h4 {
    margin-bottom: 10px;
    color: #333;
    font-size: 18px;
    font-weight: 600;
}

.contact-details p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 2px solid #e0e0e0;
}

.social-links a:hover {
    background-color: #4682B4;
    transform: translateY(-2px);
    border-color: #4682B4;
}

.social-links a:hover svg {
    stroke: #fff;
}

/* 页脚 */
.footer {
      background-color: #222;
      color: #fff;
      padding: 60px 0 60px;
      margin-top: 80px;
      border: none !important;
      border-top: none !important;
      border-bottom: none !important;
      background-image: none !important;
      background-repeat: no-repeat !important;
      background-position: center !important;
      background-size: auto !important;
  }

/* 移除页脚区域的所有虚线边框和背景效果 */
.footer, .footer *, 
.footer-content, .footer-content *, 
.footer-about, .footer-about *, 
.footer-catalogue, .footer-catalogue *, 
.footer-contact, .footer-contact *, 
.footer-info, .footer-info * {
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    border-left: none !important;
    border-right: none !important;
    border-image: none !important;
    background-image: none !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-size: auto !important;
    box-shadow: none !important;
}

/* 确保伪元素不会生成虚线 */
.footer::before,
.footer::after,
.footer *::before,
.footer *::after {
    content: none !important;
    display: none !important;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 0;
}

.footer-about h3,
.footer-catalogue h3,
.footer-contact h3,
.footer-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.6;
    color: #fff;
}

.footer-catalogue ul,
.footer-contact ul,
.footer-info ul {
    list-style: none;
}

.footer-catalogue ul li,
.footer-contact ul li,
.footer-info ul li {
    margin-bottom: 10px;
}

.footer-catalogue ul li a,
.footer-contact ul li a,
.footer-info ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-catalogue ul li a:hover,
.footer-contact ul li a:hover,
.footer-info ul li a:hover {
    color: #4682B4;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.social-icons a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-info p {
    color: #fff;
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-contact p {
    color: #fff;
    font-size: 14px;
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
      .advantages-grid {
          grid-template-columns: repeat(3, 1fr);
      }
      
      .products-grid,
      .services-grid {
          grid-template-columns: repeat(2, 1fr);
      }
    
    .testimonial-item {
        flex: 0 0 50%;
        min-width: 250px;
    }
    
    .product-item {
        flex: 0 0 50%;
        min-width: 250px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        gap: 40px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .logo img {
        height: 35px;
    }
    
    .slide-title {
        font-size: 42px;
    }
    
    .slide-subtitle {
        font-size: 20px;
    }
    
    .advantages-grid,
    .products-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .social-icons {
        gap: 10px;
    }
    
    .social-icons a {
        width: 45px;
        height: 45px;
    }
    
    /* Contact Section Responsive */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid,
    .contact-form form {
        padding: 30px;
    }
    
    .contact-info h3,
    .contact-form h3 {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 500px;
    }
    
    .slide-title {
        font-size: 32px;
    }
    
    .slide-subtitle {
        font-size: 18px;
    }
    
    .advantages-grid,
    .products-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* 产品和服务页面响应式布局 */
    .products-page-content,
    .services-page-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .product-sidebar,
    .service-categories {
        flex: 0 0 auto;
        width: 100%;
    }
    
    /* 移动端搜索框样式 */
    .category-search {
        margin-bottom: 15px;
    }
    
    .category-search-input {
        padding: 8px 35px 8px 12px;
        font-size: 13px;
    }
    
    .testimonial-item {
        flex: 0 0 100%;
        min-width: 280px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer {
        padding: 40px 0 40px;
        border: none !important;
        border-top: none !important;
        border-bottom: none !important;
    }
    
    .social-icons {
        gap: 15px;
    }
    
    .social-icons a {
        width: 50px;
        height: 50px;
    }
    
    /* Contact Section Mobile */
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-grid,
    .contact-form form {
        padding: 25px;
    }
    
    .contact-info h3,
    .contact-form h3 {
        font-size: 22px;
    }
    
    .contact-item {
        padding: 25px;
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .social-links {
        justify-content: center;
        gap: 12px;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 576px) {
    .banner {
        height: 400px;
    }
    
    .slide-title {
        font-size: 24px;
    }
    
    .slide-subtitle {
        font-size: 16px;
    }
    
    .slide-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title {
        text-align: left;
        font-size: 2rem;
        margin-top: 40px;
        margin-left: 0;
        margin-bottom: 30px;
    }
}

/* 移动端菜单 */
.nav-menu.mobile-active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    max-height: 80vh;
    overflow-y: auto;
}

.nav-menu.mobile-active ul {
    flex-direction: column;
    padding: 10px 0;
}

.nav-menu.mobile-active ul li {
    margin: 0;
    border-bottom: 1px solid #f5f5f5;
}

.nav-menu.mobile-active ul li:last-child {
    border-bottom: none;
}

.nav-menu.mobile-active ul li a {
    padding: 15px 20px;
}

/* 移动端下拉菜单 */
.nav-menu.mobile-active .dropdown-menu {
    position: static;
    box-shadow: none;
    padding: 0;
    margin-left: 20px;
    display: none;
}

.nav-menu.mobile-active .dropdown.show > .dropdown-menu {
    display: block;
}

.nav-menu.mobile-active .dropdown-submenu .dropdown-menu {
    left: 0;
    margin-left: 20px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =======================================
   产品分类样式 (Product Categories) - 独立定义
   完全独立的样式，避免与其他菜单样式冲突
   ======================================= */

/* 1. 主容器样式 */
.product-categories {
      flex: 0 0 300px;
      background-color: #fff;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      position: relative;
      z-index: 10;
      margin-bottom: 20px;
      margin-top: 0;
  }

/* 2. 标题样式 */
.product-categories h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4682B4;
}

/* 3. 列表基础样式 */
.product-categories ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* 4. 列表项样式 */
.product-categories li {
    margin-bottom: 10px;
    position: relative;
}

/* 5. 链接样式 */
.product-categories a {
    color: #4682B4;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
    padding-left: 15px;
    position: relative;
}

.product-categories a:hover {
    color: #36648B;
    padding-left: 20px;
}

/* 彻底移除所有Product Categories相关的箭头样式 */
.product-categories a::before,
.product-categories a::after,
.product-categories .submenu li a::before,
.product-categories .submenu li a::after,
.product-categories *::before,
.product-categories *::after {
    content: '' !important;
    display: none !important;
    position: static !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: none !important;
    color: transparent !important;
    z-index: -1 !important;
}

/* 6. 有子菜单的列表项 */
.product-categories li.has-submenu {
    margin-bottom: 0;
}

/* 7. 切换按钮样式 */
.product-categories .submenu-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #4682B4;
    cursor: pointer;
    padding: 5px;
    font-size: 14px;
    transition: transform 0.3s ease;
    z-index: 100;
}

/* 8. 子菜单样式 - 默认隐藏 */
.product-categories .submenu {
    background-color: #fff !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    border-radius: 0 0 5px 5px !important;
    padding: 10px 0 10px 25px !important;
    margin: 5px 0 15px 0 !important;
    display: none !important;
    position: static !important;
    width: auto !important;
    z-index: 1002 !important;
    opacity: 1 !important;
    visibility: visible !important;
    left: auto !important;
    top: auto !important;
}

/* 9. 激活状态下的子菜单 - 显示 */
.product-categories .has-submenu.active .submenu {
    display: block !important;
}

/* 10. 激活状态下的切换按钮 */
.product-categories .has-submenu.active .submenu-toggle {
    transform: translateY(-50%) rotate(180deg);
}

/* 11. 子菜单列表项样式 */
.product-categories .submenu li {
    margin: 5px 0;
}

/* 12. 子菜单链接样式 */
.product-categories .submenu li a {
    font-size: 14px;
    padding: 5px 0;
    padding-left: 15px;
    color: #333;
    background-color: transparent;
    transition: all 0.3s ease;
}

.product-categories .submenu li a:hover {
    color: #4682B4;
    padding-left: 20px;
}

/* 13. 响应式设计 */
@media (max-width: 768px) {
    .product-categories {
        flex: 0 0 100%;
        margin-bottom: 20px;
    }
    
    .product-categories .submenu {
        padding: 10px 0 10px 20px;
    }
    
    .product-categories .submenu li a {
        padding-left: 12px;
    }
    
    .product-categories .submenu li a:hover {
        padding-left: 15px;
    }
}

/* 搜索框样式 */
.category-search {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: block;
}

.search-title {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4682B4;
    font-family: inherit;
    line-height: 1.2;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.category-search-input {
    width: 100%;
    padding: 12px 45px 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    background-color: #fff;
}

.category-search-input:focus {
    outline: none;
    border-color: #4682B4;
    box-shadow: 0 0 5px rgba(70, 130, 180, 0.3);
}

.category-search-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 8px;
}

.category-search-btn:hover {
    color: #4682B4;
}

/* =======================================
   产品分页样式 (Product Pagination)
   ======================================= */

/* 分页容器 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    margin-bottom: 20px;
    gap: 8px;
}

/* 分页链接基础样式 */
.pagination a {
    display: inline-block;
    padding: 8px 16px;
    color: #4682B4;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
    background-color: #fff;
}

/* 分页链接悬停效果 */
.pagination a:hover:not(.active) {
    background-color: #f0f2f5;
    border-color: #4682B4;
    color: #36648B;
}

/* 当前页码样式 */
.pagination .pagination-page.active {
    background-color: #4682B4;
    color: white;
    border-color: #4682B4;
}

/* 分页信息样式 */
.pagination-info {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f0f2f5;
    border-radius: 4px;
    color: #666;
    font-size: 14px;
}

/* 前后页按钮样式 */
.pagination .pagination-prev,
.pagination .pagination-next {
    font-weight: bold;
}

/* 禁用状态的分页链接 */
.pagination a.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pagination a.disabled:hover {
    background-color: #fff;
    border-color: #ddd;
    color: #4682B4;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .pagination a {
        padding: 6px 12px;
        font-size: 14px;
    }
}

/* =======================================
   博客页面样式 (Blog Page)
   ======================================= */

/* 博客页面内容容器 */
.blog-page-content {
    display: flex;
    gap: 40px;
    margin-top: 30px;
    align-items: stretch;
}

/* 博客文章列表 */
.blog-posts {
    flex: 1;
    margin-bottom: 40px;
}

/* 博客文章网格布局 */
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

/* 博客文章项 */
.blog-post-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.blog-post-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 博客文章图片 */
.blog-post-image {
    height: 200px;
    overflow: hidden;
    background-color: #e9ecef;
}

.blog-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-post-item:hover .blog-post-image img {
    transform: scale(1.05);
}

/* 博客文章信息 */
.blog-post-info {
    padding: 20px;
}

/* 博客文章元数据 */
.blog-post-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #6c757d;
}

.post-date,
.post-category {
    display: inline-block;
}

/* 博客文章标题 */
.blog-post-info h3 {
    margin: 0 0 15px 0;
    font-size: 20px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
}

.blog-post-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-post-info h3 a:hover {
    color: #4682B4;
}

/* 博客文章摘要 */
.blog-post-info p {
    margin: 0 0 20px 0;
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

/* 阅读更多按钮 */
.read-more {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4682B4;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.3s ease;
    font-size: 14px;
}

.read-more:hover {
    background-color: #36648B;
    transform: translateY(-2px);
}

/* 博客页面响应式设计 */
@media (max-width: 1200px) {
    .blog-posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

@media (max-width: 768px) {
    .blog-posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .blog-post-image {
        height: 180px;
    }
    
    .blog-post-info {
        padding: 15px;
    }
    
    .blog-post-info h3 {
        font-size: 18px;
    }
}

/* =======================================
   博客文章页面样式 (blog-post.asp)
   ======================================= */

/* 博客文章页面内容容器 */
.blog-post-page-content {
    display: grid;
    grid-template-columns: 1fr;
    padding: 20px 0;
    max-width: 100%;
    width: 100%;
}

/* 博客文章主要内容 */
.blog-post-main {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    max-width: 1000px;
    margin: 0 auto;
}

/* 博客文章标题 */
.blog-post-title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin-bottom: 20px;
}

/* 博客文章特色图片 */
.blog-post-featured-image {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
}

.blog-post-featured-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* 博客文章内容 */
.blog-post-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

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

.blog-post-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9ecef;
}

.blog-post-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin: 25px 0 15px;
}

.blog-post-content blockquote {
    border-left: 4px solid #4682B4;
    padding: 15px 20px;
    margin: 20px 0;
    background-color: #f8f9fa;
    font-style: italic;
    color: #666;
}

.blog-post-content ul {
    margin: 20px 0;
    padding-left: 25px;
}

.blog-post-content ul li {
    margin-bottom: 8px;
    list-style-type: disc;
}

/* 博客文章标签 */
.blog-post-tags {
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.blog-post-tags span {
    font-weight: 600;
    color: #666;
    margin-right: 10px;
}

.blog-post-tags a {
    display: inline-block;
    padding: 5px 12px;
    background-color: #f8f9fa;
    color: #4682B4;
    text-decoration: none;
    border-radius: 15px;
    margin-right: 8px;
    margin-bottom: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.blog-post-tags a:hover {
    background-color: #4682B4;
    color: #fff;
}

/* 博客文章导航 */
.blog-post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding: 20px 0;
    border-top: 1px solid #e9ecef;
}

.prev-post, .next-post {
    flex: 0 0 calc(50% - 10px);
}

.prev-post a, .next-post a {
    display: block;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.prev-post a:hover, .next-post a:hover {
    color: #4682B4;
}

.prev-post span, .next-post span {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.prev-post h4, .next-post h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

/* 博客侧边栏 */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 博客小部件 */
.blog-widget {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 小部件标题 */
.widget-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9ecef;
}

/* 搜索小部件 */
.search-widget {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: #4682B4;
    box-shadow: 0 0 8px rgba(70, 130, 180, 0.4);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.search-btn:hover {
    color: #4682B4;
}

/* 分类小部件 */
.categories-widget {
    list-style: none;
}

.categories-widget li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.categories-widget li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.categories-widget li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.categories-widget li a:hover {
    color: #4682B4;
}

.categories-widget li span {
    background-color: #f8f9fa;
    color: #666;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

/* 最新文章小部件 */
.recent-posts-widget {
    list-style: none;
}

.recent-posts-widget li {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.recent-posts-widget li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.recent-post-image {
    flex: 0 0 80px;
    height: 60px;
    overflow: hidden;
    border-radius: 5px;
}

.recent-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.recent-post-info {
    flex: 1;
}

.recent-post-info h4 {
    margin: 0 0 5px 0;
    font-size: 14px;
    font-weight: 600;
}

.recent-post-info h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.recent-post-info h4 a:hover {
    color: #4682B4;
}

.recent-post-info span {
    display: block;
    font-size: 12px;
    color: #666;
}

/* 标签小部件 */
.tags-widget {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags-widget a {
    display: inline-block;
    padding: 5px 12px;
    background-color: #f8f9fa;
    color: #4682B4;
    text-decoration: none;
    border-radius: 15px;
    font-size: 12px;
    transition: all 0.3s ease;
}

.tags-widget a:hover {
    background-color: #4682B4;
    color: #fff;
}

/* 相关文章 */
.related-posts {
    margin-top: 60px;
}

/* 博客文章页面响应式设计 */
@media (max-width: 1200px) {
    .blog-post-main {
        max-width: 900px;
    }
}

@media (max-width: 992px) {
    .blog-post-navigation {
        flex-direction: column;
        gap: 20px;
    }
    
    .prev-post, .next-post {
        flex: 0 0 100%;
    }
}

@media (max-width: 768px) {
    .blog-post-main {
        padding: 20px;
    }
    
    .blog-post-title {
        font-size: 28px;
    }
    
    .blog-post-content h2 {
        font-size: 24px;
    }
    
    .blog-post-content h3 {
        font-size: 20px;
    }
    

}

@media (max-width: 576px) {
    .blog-post-title {
        font-size: 24px;
    }
    
    .blog-post-content h2 {
        font-size: 22px;
    }
    
    .blog-post-content h3 {
        font-size: 18px;
    }
}

/* =======================================
   产品详情页面样式 (e_products_show.asp)
   ======================================= */

/* 主容器 */
.e-product-details {
    display: grid;
    grid-template-columns: 400px 1fr !important;
    gap: 40px;
    margin: 40px 0;
    align-items: start;
    max-width: 100%;
}

/* 产品图片容器 */
.e-product-image-container {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    width: 100%;
}

/* 主产品图片 */
.e-main-product-image {
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1 / 1;
    position: relative;
}

.e-main-product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 产品缩略图 */
.e-product-thumbnails {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
}

/* 滑块箭头控制 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 100; /* 提高z-index确保箭头显示在图片上方 */
    color: #4682B4;
}

.slider-arrow:hover {
    background-color: #fff;
    color: #36648B;
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow-left {
    left: 10px; /* 将左箭头移动到大图左侧内部 */
}

.slider-arrow-right {
    right: 10px; /* 将右箭头移动到大图右侧内部 */
}

/* 产品图片容器需要相对定位 */
.e-product-image-container {
    position: relative;
}

.e-thumbnail-item {
    background-color: #fff;
    border: 2px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.e-thumbnail-item:hover {
    border-color: #4682B4;
}

.e-thumbnail-item.active {
    border-color: #4682B4;
    box-shadow: 0 0 0 2px rgba(70, 130, 180, 0.2);
}

.e-thumbnail-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 产品信息部分 */
.e-product-info {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 产品标题 */
.e-product-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.3;
}

/* 产品描述 */
.e-product-description {
    margin-bottom: 30px;
    line-height: 1.7;
    color: #666;
}

.e-product-description p {
    margin-bottom: 15px;
}

/* 产品操作按钮 */
.e-product-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    padding: 0 15px;
    box-sizing: border-box;
}

.e-inquiry-btn, .e-email-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 150px;
    justify-content: center;
}

.e-inquiry-btn {
    background-color: #4682B4;
    color: white;
}

.e-inquiry-btn:hover {
    background-color: #36648B;
    transform: translateY(-2px);
}

.e-email-btn {
    background-color: #2867B2;
    color: white;
}

.e-email-btn:hover {
    background-color: #1E5389;
    transform: translateY(-2px);
}

/* 社交媒体分享 */
.e-social-sharing {
    display: flex;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.e-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 5px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.e-social-green {
    background-color: #25D366;
}

.e-social-blue {
    background-color: #2867B2;
}

.e-social-black {
    background-color: #1DA1F2;
}

.e-social-red {
    background-color: #E60023;
}

.e-social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 产品详情页面响应式设计 */
@media (max-width: 768px) {
    .e-product-details {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .e-product-image-container,
    .e-product-info {
        padding: 20px;
    }
    
    .e-main-product-image {
        height: 300px;
        padding: 15px;
    }
    
    .e-product-title {
        font-size: 24px;
    }
    
    .e-product-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .e-inquiry-btn, .e-email-btn {
        width: 100%;
        min-width: auto;
        box-sizing: border-box;
    }
    
    .e-social-sharing {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .e-social-btn {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .e-main-product-image {
        height: 250px;
    }
    
    .e-product-title {
        font-size: 20px;
    }
}

/* 缩略图滚动条样式 */
.e-product-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.e-product-thumbnails::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.e-product-thumbnails::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.e-product-thumbnails::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* 产品详细描述部分 */
.e-product-description-section {
    margin: 60px 0;
    padding: 40px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.e-description-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #4682B4;
}

.e-description-content {
    line-height: 1.8;
    color: #666;
}

.e-description-content h4 {
    font-size: 18px;
    color: #4682B4;
    margin: 30px 0 15px 0;
}

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

.e-feature-list {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 30px;
}

.e-feature-list li {
    padding-left: 25px;
    margin-bottom: 10px;
    position: relative;
}

.e-feature-list li::before {
    content: "✓";
    color: #4682B4;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.e-specifications-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.e-specifications-table th,
.e-specifications-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.e-specifications-table th {
    background-color: #f8f9fa;
    color: #333;
    font-weight: 600;
    width: 30%;
}

.e-applications {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.e-application-tag {
    background-color: #f0f8ff;
    color: #4682B4;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Inquiry Modal Styles */
.inquiry-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.inquiry-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.inquiry-modal-content {
    background-color: #fff;
    margin: auto;
    padding: 0;
    border-radius: 8px;
    width: 800px;
    max-width: 800px;
    min-height: 650px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive modal for smaller screens */
@media (max-width: 800px) {
    .inquiry-modal-content {
        width: 90% !important;
        margin: 20px auto;
        border-radius: 8px;
    }
}

.inquiry-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid #eee;
    background-color: #f8f9fa;
    border-radius: 8px 8px 0 0;
}

.inquiry-modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 20px;
}

.inquiry-modal-close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.inquiry-modal-close:hover,
.inquiry-modal-close:focus {
    color: #333;
    text-decoration: none;
}

.inquiry-modal-body {
    padding: 30px;
}

.inquiry-form .form-group {
    margin-bottom: 20px;
}

.inquiry-form label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.inquiry-form input[type="text"],
.inquiry-form input[type="email"],
.inquiry-form input[type="tel"],
.inquiry-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.inquiry-form input[type="text"]:focus,
.inquiry-form input[type="email"]:focus,
.inquiry-form input[type="tel"]:focus,
.inquiry-form textarea:focus {
    outline: none;
    border-color: #4682B4;
    box-shadow: 0 0 0 2px rgba(70, 130, 180, 0.1);
}

.inquiry-form textarea {
    resize: vertical;
    min-height: 100px;
}

.inquiry-form input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.1);
}

.inquiry-form .submit-btn {
    width: 100%;
    padding: 15px;
    background-color: #4682B4;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.inquiry-form .submit-btn:hover {
    background-color: #36648B;
    transform: translateY(-2px);
}

.inquiry-form .submit-btn:active {
    transform: translateY(0);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .inquiry-modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .inquiry-modal-header,
    .inquiry-modal-body {
        padding: 20px;
    }
}