/* Top.asp 头部导航样式 - 蓝色背景版本 */

/* 基础变量（避免冲突，这里直接使用颜色值） */
.main-navbar {
    --primary-color: #2380C6;
    --primary-hover: #1a5d9e;
    --text-white: #ffffff;
    --text-dark: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* 主导航栏 */
.main-navbar {
    background: var(--primary-color);
    position: relative;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.main-navbar.green-navbar {
    background: var(--primary-color);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    min-height: 100px;
}

/* Logo 区域 */
.navbar-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: block;
    text-decoration: none;
}

.brand-logo {
    height: 63px;
    width: auto;
    max-width: 210px;
    object-fit: contain;
}

/* 主导航菜单 */
.main-navigation {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 37.5px 15px;
    color: #ffffff;
    text-decoration: none;
    font-size: 18px;
    font-weight: normal;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    text-decoration: none;
}

/* 下拉菜单 */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    border-radius: 0 0 6px 6px;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: #333333;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: #2380C6;
    color: white;
    text-decoration: none;
}

/* 右侧功能区 */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 语言切换器 */
.language-switcher {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.8);
}

.lang-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 120px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    margin-top: 5px;
}

.language-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 10px 15px;
    color: #333333;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.lang-option:hover {
    background: rgba(35, 128, 198, 0.1);
    color: #2380C6;
    text-decoration: none;
}

.lang-option.active {
    background: #2380C6;
    color: #ffffff;
}

/* 语言图标样式 */
.lang-flag {
    width: 20px;
    height: 15px;
    margin-right: 8px;
    object-fit: cover;
    border-radius: 2px;
    vertical-align: middle;
}

/* 搜索功能 */
.navbar-search {
    position: relative;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    overflow: hidden;
    transition: var(--transition);
}

.search-form:hover,
.search-form:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.8);
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 15px;
    color: #ffffff;
    font-size: 14px;
    width: 180px;
    transition: var(--transition);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-btn {
    background: transparent;
    border: none;
    padding: 8px 12px;
    color: #ffffff;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.search-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

.menu-icon {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
}

.search-btn::before {
    font-size: 14px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 10px;
    cursor: pointer;
    flex-direction: column;
    gap: 3px;
}

/* 移动端导航 */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-navigation {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: white;
    z-index: 1999;
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-navigation.active {
    right: 0;
}

.mobile-nav-header {
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: flex-end;
}

.mobile-nav-close {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    color: #333333;
}

.mobile-nav-close::before {
    content: '×';
}

.mobile-nav-content {
    padding: 0;
}

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

.mobile-nav-item {
}

.mobile-nav-link {
    display: block;
    padding: 15px 20px;
    color: #333333;
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition);
}

.mobile-nav-link:hover {
    background: rgba(35, 128, 198, 0.1);
    color: #2380C6;
    text-decoration: none;
}

.has-submenu {
    position: relative;
}

.mobile-submenu {
    list-style: none;
    margin: 0;
    padding: 10px 0;
    background: #f8f9fa;
    display: block;
}

.mobile-submenu-item {
    border-bottom: 1px solid #e9ecef;
}

.mobile-submenu-link {
    display: block;
    padding: 12px 40px;
    color: #333333;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.mobile-submenu-link:hover {
    background: rgba(35, 128, 198, 0.1);
    color: #2380C6;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .navbar-actions {
        gap: 15px;
    }
    
    .search-input {
        width: 150px;
    }
    
    .nav-link {
        padding: 37.5px 15px;
        font-size: 17px;
    }
    
    .navbar-content {
        min-height: 100px;
    }
    
    .brand-logo {
        height: 42px;
    }
}

@media (max-width: 768px) {
    .main-navigation,
    .navbar-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .navbar-content {
        justify-content: space-between;
        padding: 0 15px;
    }
    
    .brand-logo {
        height: 28px;
    }
}

@media (max-width: 480px) {
    .mobile-navigation {
        width: 280px;
        right: -280px;
    }
    
    .navbar-content {
        min-height: 60px;
    }
}

/* Foot.asp 页脚样式 - 基于 #2380C6 主色调 */

/* 现代化页脚 */
.modern-footer {
    background: #24292F;
    color: #ffffff;
    margin-top: 0px;
    position: relative;
    overflow: hidden;
}



.modern-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(45,183,164,0.1)"/><circle cx="90" cy="20" r="0.5" fill="rgba(45,183,164,0.05)"/><circle cx="20" cy="80" r="0.8" fill="rgba(45,183,164,0.08)"/><circle cx="80" cy="90" r="1.2" fill="rgba(45,183,164,0.06)"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    pointer-events: none;
}

/* 页脚主要内容 */
.footer-main {
    padding: 40px 0 0px;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    align-items: flex-start;
}

/* 页脚列 */
.footer-column {
    min-height: 200px;
}

/* 公司信息区域 */
.company-info {
    padding-right: 20px;
}

.company-brand {
    margin-bottom: 15px;
    text-align: left;
}

.footer-logo {
    max-width: 200px;
    height: auto;
    display: block !important;
    filter: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    image-rendering: auto !important;
    background: none !important;
    padding: 0 !important;
    border: none !important;
    margin: 0 !important;
}

.company-name {
    font-size: 14px;
    font-weight: normal;
    color: #ffffff;
    margin: 0;
    line-height: 1.6;
    padding: 10px 0 0 0;
    width: 350px;
}

/* 页脚标题 */
.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px 0;
    padding-bottom: 10px;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 30px;
    height: 2px;
}

/* 页脚链接列表 */
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
    padding-left: 0;
    position: relative;
}

/* 移除footer-links左边的绿色图标 */

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.2;
    transition: all 0.3s ease;
    display: block;
    padding: 3px 0;
}

.footer-links a:hover {
    color: #2380C6;
    text-decoration: none;
    padding-left: 5px;
}

/* 联系信息 */
.contact-details {
    space-y: 15px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    min-width: 60px;
    font-size: 14px;
    margin-right: 10px;
}

.contact-value {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
}

/* 页脚底部版权区域 */
.footer-bottom {
    background: #181C1F;
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #2380C6 50%, transparent 100%);
}

.copyright-text {
    text-align: center;
}

.copyright-text p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 移动端底部导航 */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
}

.mobile-nav-items {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.mobile-nav-item {
    flex: 1;
    text-align: center;
}

.mobile-nav-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5px;
    text-decoration: none;
    color: #666666;
    transition: all 0.3s ease;
}

.mobile-nav-item a:hover,
.mobile-nav-item a:active {
    color: #2380C6;
    text-decoration: none;
    transform: translateY(-1px);
}

.mobile-nav-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.mobile-nav-item a:hover .mobile-nav-icon img {
    transform: scale(1.1);
    filter: brightness(0) saturate(100%) invert(62%) sepia(89%) saturate(466%) hue-rotate(128deg) brightness(89%) contrast(89%);
}

.mobile-nav-label {
    font-size: 11px;
    font-weight: 500;
    line-height: 1.2;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 30px;
    }
    
    .company-info {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 20px;
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .modern-footer {
        margin-top: 40px;
    }
    
    .footer-main {
        display: none;
    }
    
    .company-info {
        margin-bottom: 30px;
    }
    
    .company-brand {
        text-align: center;
        margin-bottom: 20px;
    }
    
    .footer-logo {
        max-width: 160px;
        margin: 0 auto;
    }
    
    .footer-title {
        text-align: center;
        font-size: 16px;
    }
    
    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .contact-item {
        justify-content: center;
        flex-wrap: wrap;
        text-align: center;
    }
    
    .contact-label {
        min-width: auto;
        margin-right: 5px;
        margin-bottom: 3px;
    }
    
    /* 显示移动端底部导航 */
    .mobile-bottom-nav {
        display: block;
    }
    
    /* 为移动端底部导航留出空间 */
    body {
        padding-bottom: 70px;
    }
}

@media (max-width: 480px) {
    .footer-main {
        padding: 30px 0 20px;
        gap: 30px;
    }
    
    .footer-title {
        font-size: 15px;
        margin-bottom: 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .footer-logo {
        max-width: 180px;
    }
    
    .company-brand {
        text-align: center;
    }
}

/* Index.asp 首页样式 - 基于 #2380C6 主色调 */

/* 轮播Banner样式 */
.hero-banner {
    position: relative;
    width: 100%;
    height: 740px;
    overflow: hidden;
    background: #f8f9fa;
}

.banner-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

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

/* 轮播Banner广告语样式 */
.banner-text {
    position: absolute;
    z-index: 10;
    width: 80%;
    max-width: 500px;
}

/* 右下角位置 - 第一幅图 */
.banner-text-bottom-right {
    bottom: 80px;
    right: 280px;
    text-align: right;
    width: 1200px;
    max-width: 1200px;
}

/* 左上角位置 - 第二幅图 */
.banner-text-top-left {
    top: 120px;
    left: 200px;
    text-align: left;
}

.banner-slogan {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    margin: 0;
    line-height: 1.2;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 轮播控制按钮 */
.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    pointer-events: none;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    background: rgba(35, 128, 198, 0.9);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: auto;
    font-size: 18px;
}

.carousel-btn:hover {
    background: #2380C6;
    transform: scale(1.1);
}

.carousel-btn::before {
    font-family: Arial, sans-serif;
}

.carousel-prev::before {
    content: '‹';
}

.carousel-next::before {
    content: '›';
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.indicator {
    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #2380C6;
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(35, 128, 198, 0.8);
}

/* 通用区域样式 */
.section {
    padding: 30px 0;
    position: relative;
}

.section-title {
    text-align: left;
    margin-bottom: 60px;
    position: relative;
}

.section-title span {
    font-size: 36px;
    font-weight: 600;
    color: #2c3e50;
    position: relative;
    display: inline-block;
}

.section-title span::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    transform: translateX(0);
    width: 80px;
    height: 3px;
    background: #2380C6;
    border-radius: 2px;
}

/* 推荐产品样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 9个产品的3列布局 - 充分利用100%宽度 */
.product-grid-9 {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 40px;
}

/* 8个产品的4列布局 - 2排x4个，充分利用100%宽度 */
.product-grid-8 {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 40px;
}

/* 产品目录的3列布局 - 电脑端3列，充分利用100%宽度 */
.product-grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 40px;
}

/* 大屏幕优化 - 减小间距但保持100%宽度 */
@media (min-width: 1400px) {
    .product-grid-9 {
        gap: 25px;
    }
    
    .product-grid-8 {
        gap: 25px;
    }
    
    .product-grid-3 {
        gap: 25px;
    }
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    width: 100%;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 40px rgba(35, 128, 198, 0.15);
}

.product-image-wrapper {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: all 0.3s ease;
}

/* 主图片 - 默认显示 */
.product-image-main {
    opacity: 1;
    z-index: 2;
}

/* 悬停效果 - 图片放大 */
.product-card:hover .product-image {
    transform: scale(1.05);
}

/* ===== 新闻板块样式 ===== */

/* 新闻布局 - 左右分栏 */
.news-layout {
    display: grid;
    grid-template-columns: 45% 52%;
    gap: 3%;
    margin-top: 40px;
    margin-bottom: 40px;
    align-items: stretch; /* 拉伸左右两侧到相同高度，实现上下对齐 */
}

/* 左侧：推荐新闻 */
.featured-news {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    margin: 0; /* 确保没有额外边距 */
    height: 100%; /* 拉伸到与右侧相同高度 */
}

.featured-news:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(35, 128, 198, 0.15);
}

.featured-news-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 推荐新闻图片 */
.featured-news-image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 45%; /* 调整比例以适应3条新闻的高度 */
    overflow: hidden;
    background: #f8f9fa;
    flex-shrink: 0; /* 防止图片被压缩 */
}

.featured-news-image a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.featured-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.featured-news:hover .featured-news-image img {
    transform: scale(1.05);
}

/* 推荐新闻标题 */
.featured-news-title {
    padding: 20px 20px 12px 20px;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
}

.featured-news-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.featured-news-title a:hover {
    color: #2380C6;
}

/* 推荐新闻简介 */
.featured-news-description {
    padding: 0 20px;
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 15px 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1; /* 允许简介区域扩展填充空间 */
}

/* 推荐新闻底部信息 */
.featured-news-meta {
    padding: 0 20px 20px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #eee;
    margin-left: 20px;
    margin-right: 20px;
}

.news-date {
    color: #999;
    font-size: 13px;
}

.read-more-link {
    color: #2380C6;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.read-more-link:hover {
    color: #1a5d9e;
}

/* 右侧：最新新闻列表 */
.recent-news {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 0; /* 确保没有额外边距 */
}

/* 最新新闻项 */
.recent-news-item {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    margin: 0; /* 确保没有额外边距 */
}

.recent-news-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 20px rgba(35, 128, 198, 0.12);
    border-left-color: #2380C6;
}

/* 最新新闻标题 */
.recent-news-title {
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.recent-news-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recent-news-title a:hover {
    color: #2380C6;
}

/* 最新新闻简介 */
.recent-news-description {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 10px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 最新新闻日期 */
.recent-news-date {
    color: #999;
    font-size: 12px;
    display: block;
}

/* 查看更多按钮 */
.news-more-section {
    text-align: center;
    margin-top: 20px;
}

.news-more-btn {
    background: #2380C6;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.news-more-btn:hover {
    background: #1a5d9e;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(35, 128, 198, 0.3);
}

/* 更多产品按钮 */
.products-more-section {
    text-align: center;
    margin-top: 40px;
}

.products-more-btn {
    background: #2380C6;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.products-more-btn:hover {
    background: #1a5d9e;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(35, 128, 198, 0.3);
    color: white;
    text-decoration: none;
}

/* ===== 关于我们特色亮点样式 ===== */

.about-highlights {
    margin: 30px 0;
    flex-grow: 1;
}

.about-text .btn {
    margin-top: auto;
    align-self: flex-start;
}

.highlight-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 12px 0;
}

.highlight-icon {
    width: 24px;
    height: 24px;
    background: #2380C6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    margin-right: 15px;
    flex-shrink: 0;
}

.highlight-text {
    color: #333333;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
}

/* ===== 视频板块样式 ===== */

/* 视频部分头部 */
.videos-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.videos-section-subtitle {
    color: #666;
    font-size: 16px;
    margin-top: 10px;
    line-height: 1.5;
}

/* 视频网格容器 */
.videos-grid-container {
    position: relative;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

/* 视频卡片 */
.video-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(35, 128, 198, 0.15);
}

/* 视频缩略图 */
.video-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.video-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.video-card:hover .video-image {
    transform: scale(1.05);
}

/* 视频覆盖层和播放按钮 */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: background 0.3s ease;
}

.video-card:hover .video-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.video-play-btn::before {
    content: '▶';
    font-size: 20px;
    color: #2380C6;
    margin-left: 3px;
}

.video-card:hover .video-play-btn {
    background: white;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* 视频信息 */
.video-info {
    padding: 20px;
}

.video-title {
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.video-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.video-title a:hover {
    color: #2380C6;
}

.video-description {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-content {
    padding: 0 20px 12px 20px;
}

.product-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}

.product-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title a:hover {
    color: #2380C6;
}

.product-model {
    color: #2380C6;
    font-size: 14px;
    margin: 4px 0 0 0;
    line-height: 1.3;
}

/* 关于我们部分 - 旧版（保留用于其他页面） */
.section-about {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    color: white;
    position: relative;
}

.section-about .section-title {
    margin-top: 30px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
    margin-bottom: 20px;
}

.about-text {
    z-index: 2;
    position: relative;
    background-color: #fff;
    height: auto;
    min-height: 630px;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.about-description {
    margin-bottom: 20px;
}

.about-description p {
    color: #333333;
    line-height: 1.6;
    margin-bottom: 15px;
}

.about-subtitle {
    font-size: 24px;
    color: #2380C6;
    margin-bottom: 20px;
    font-weight: 600;
}

.about-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #333;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.about-image {
    position: relative;
    overflow: hidden;
    min-height: 630px;
}

.about-image img {
    width: 100%;
    height: 630px;
    object-fit: cover;
}

/* 关于我们部分 - 新版设计 */
.section-about-new {
    background: #f5f5f5;
    padding: 80px 0;
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-left-content {
    padding-right: 40px;
}

.about-header {
    margin-bottom: 30px;
}

.about-main-title {
    font-size: 36px;
    font-weight: 600;
    color: #333333;
    margin: 0 0 5px 0;
}

.about-subtitle-en {
    font-size: 14px;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0 0 15px 0;
}

.about-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #2380C6;
    margin-top: 15px;
}

.about-company-name {
    font-size: 20px;
    font-weight: 600;
    color: #333333;
    margin: 0 0 10px 0;
}

.about-since {
    font-size: 32px;
    font-weight: 700;
    color: #2380C6;
    margin: 0 0 30px 0;
    letter-spacing: 2px;
}

.about-description-new {
    margin-bottom: 40px;
}

.about-description-new p {
    font-size: 15px;
    line-height: 1.8;
    color: #666666;
    margin: 0;
}

/* 数据统计 */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    display: inline-flex;
    align-items: baseline;
    font-size: 56px;
    font-weight: 700;
    color: #000000;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-number .counter {
    color: #000000;
    font-weight: 700;
}

.stat-decimal {
    font-size: 42px;
    color: #000000;
    font-weight: 700;
}

.stat-unit {
    font-size: 16px;
    color: #666666;
    font-weight: 400;
    margin-left: 5px;
}

.stat-label {
    font-size: 13px;
    color: #999999;
    line-height: 1.4;
    margin: 0;
    padding: 0;
}

/* MORE按钮 - 轮廓样式 */
.btn-more-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 35px;
    background: transparent;
    color: #2380C6;
    text-decoration: none;
    border: 2px solid #2380C6;
    border-radius: 4px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-more-outline:hover {
    background: #2380C6;
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

/* 右侧图片 */
.about-right-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.about-right-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    background: #2380C6;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #1a5d9e;
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

/* 视频展示区域 */
.about-videos {
    margin-top: 10px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.video-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    display: block;
    text-decoration: none;
    transition: all 0.3s ease;
}

.video-item:hover {
    transform: scale(1.02);
}

.video-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.video-item:hover .video-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(35, 128, 198, 0.9);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.video-play-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-40%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent white;
}

.video-item:hover .video-play-btn {
    background: #2380C6;
    transform: translate(-50%, -50%) scale(1.1);
}

/* ===== 产品应用部分 ===== */
.section-applications {
    background: #f8f9fa;
    padding: 80px 0;
}

/* 居中标题样式 */
.section-header-center {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-center {
    margin: 0 0 10px 0;
}

.section-title-center span {
    font-size: 36px;
    font-weight: 600;
    color: #2c3e50;
    position: relative;
    display: inline-block;
}

.section-title-center span::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #2380C6;
    border-radius: 2px;
}

.section-subtitle-center {
    font-size: 14px;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 20px 0 0 0;
    text-align: center;
}

/* 应用网格 - 横向4列 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.application-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    background: #ffffff;
}

.application-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(35, 128, 198, 0.25);
}

.application-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 比例 */
    overflow: hidden;
}

.application-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.application-item:hover .application-image {
    transform: scale(1.08);
}

/* 悬停遮罩 */
.application-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(35, 128, 198, 0.92), rgba(26, 93, 158, 0.92));
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-item:hover .application-overlay {
    opacity: 1;
}

.application-overlay-content {
    text-align: center;
    transform: translateY(15px);
    transition: all 0.3s ease 0.1s;
}

.application-item:hover .application-overlay-content {
    transform: translateY(0);
}

.overlay-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 10px;
    color: white;
}

.overlay-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.overlay-text {
    color: white;
    font-size: 14px;
    font-weight: 500;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* 图片灯箱 */
.image-lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.image-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 4px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 50px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10000;
    line-height: 1;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    color: #2380C6;
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.lightbox-prev,
.lightbox-next {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    font-size: 30px;
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
    border-radius: 4px;
    backdrop-filter: blur(10px);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(35, 128, 198, 0.8);
    transform: scale(1.1);
}

/* ===== 技术创新部分 ===== */
.section-innovation {
    background: #ffffff;
    padding: 80px 0;
}

/* 创新图片网格 - 3列2行 */
.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.innovation-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    transition: all 0.3s ease;
}

.innovation-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.innovation-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 80%; /* 增加高度，确保图片底部完全显示 */
    overflow: hidden;
}

/* 图片样式 */
.innovation-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== 强力节能部分 ===== */
.section-energy {
    background: #f8f9fa;
    padding: 80px 0;
}

/* 节能图片网格 - 3列2行 */
.energy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.energy-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    transition: all 0.3s ease;
}

.energy-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.energy-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 80%; /* 与技术创新保持一致 */
    overflow: hidden;
}

/* 图片样式 */
.energy-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== 精密工艺部分 ===== */
.section-craftsmanship {
    background: #ffffff;
    padding: 80px 0;
}

/* 工艺图片网格 - 3列2行 */
.craftsmanship-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.craftsmanship-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    transition: all 0.3s ease;
}

.craftsmanship-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.craftsmanship-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 80%; /* 与其他板块保持一致 */
    overflow: hidden;
}

/* 图片样式 */
.craftsmanship-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 新闻资讯部分 */
.section-news {
    background: #f8f9fa;
}

.news-section-title {
    text-align: center;
    margin-bottom: 60px;
}

.news-section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.news-section-subtitle {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    text-align: center;
}

.news-main-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

/* 封面新闻 */
.news-featured-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.news-featured-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.news-featured-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.news-featured-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.news-featured-card:hover .news-featured-image img {
    transform: scale(1.05);
}

.news-featured-content {
    padding: 30px;
}

.news-featured-title {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
}

.news-featured-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-featured-title a:hover {
    color: #2380C6;
}

.news-featured-description {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.news-featured-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
}

.news-date {
    color: #999;
    font-size: 14px;
}

.news-read-more {
    color: #2380C6;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}

.news-read-more:hover {
    color: #1a5d9e;
}

/* 新闻列表 */
.news-list-section {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.news-list-title {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #2380C6;
}

.news-simple-list {
    space-y: 20px;
}

.news-simple-item {
    padding-bottom: 8px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 8px;
}

.news-simple-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.news-simple-title {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: 200;
    line-height: 1.4;
}

.news-simple-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-simple-title a:hover {
    color: #2380C6;
}

.news-simple-description {
    color: #999999;
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.news-simple-date {
    color: #999;
    font-size: 12px;
}

/* 查看更多按钮 */
.news-more-section {
    text-align: center;
}

.news-more-btn {
    padding: 15px 40px;
    font-size: 16px;
    background: transparent;
    color: #2380C6;
    border: 2px solid #2380C6;
}

.news-more-btn:hover {
    background: #2380C6;
    color: white;
}

/* 联系我们部分 */
.section-contact {
    background: white;
}

.contact-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-main-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

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

.contact-main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

/* 联系信息卡片 */
.contact-info-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 40px;
    height: fit-content;
}

.contact-card-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #2380C6;
}

.contact-logo-wrapper {
    margin-bottom: 20px;
}

.contact-company-logo {
    height: 60px;
    width: auto;
}

.contact-company-name {
    font-size: 16px;
    color: #333;
    margin: 15px 0 10px 0;
    font-weight: 700;
}

.contact-company-slogan {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.contact-info-list {
    space-y: 25px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon-wrapper {
    width: 40px;
    height: 40px;
    background: #2380C6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon {
    width: 20px;
    height: 20px;
    color: white;
}

.contact-info-content {
    flex: 1;
}

.contact-info-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-info-value {
    display: block;
    font-size: 16px;
    color: #333;
    line-height: 1.5;
}

/* 联系表单 */
.contact-form-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 17.5px 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.required-mark {
    color: #dc3545;
}

.input-wrapper,
.textarea-wrapper {
    position: relative;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #2380C6;
    box-shadow: 0 0 0 3px rgba(35, 128, 198, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    padding-left: 15px;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 验证码 */
.verify-wrapper {
    display: flex;
    gap: 15px;
    align-items: flex-end;
}

.verify-wrapper .input-wrapper {
    flex: 1;
}

.verify-image {
    width: 120px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.verify-image:hover {
    border-color: #2380C6;
}

/* 提交按钮 */
.form-actions {
    margin-top: 30px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #2380C6;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    background: #1a5d9e;
    transform: translateY(-2px);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* 空状态 */
.empty-state,
.news-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .about-content,
    .news-main-layout,
    .contact-main-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        height: 300px;
    }
    
    .carousel-controls {
        display: none;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title span {
        font-size: 28px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 9个产品布局在平板上显示2列 - 充分利用宽度 */
    .product-grid-9 {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
        width: 100%;
    }
    
    /* 8个产品布局在平板上显示2列 - 充分利用宽度 */
    .product-grid-8 {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
        width: 100%;
    }
    
    /* 产品目录布局在平板上显示2列 - 充分利用宽度 */
    .product-grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
        width: 100%;
    }
    
    /* 新闻滚动 - 平板响应式 */
    /* 新闻布局 - 平板端改为单列 */
    .news-layout {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .featured-news-image {
        padding-bottom: 50%; /* 调整图片比例 */
    }
    
    /* 视频板块 - 平板响应式 */
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .video-thumbnail {
        height: 180px;
    }
    
    .carousel-controls {
        padding: 0 20px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .about-content {
        text-align: center;
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-text {
        height: auto;
        min-height: auto;
        padding: 25px 25px 40px 25px;
        display: flex;
        flex-direction: column;
    }
    
    .section-about .section-title {
        margin-top: 0;
    }
    
    .about-description,
    .about-description p {
        color: #333333 !important;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .about-text .btn {
        margin-top: auto;
        align-self: flex-start;
    }
    
    .about-image {
        min-height: auto;
    }
    
    .about-image img {
        height: 350px;
    }
    
    /* 新版关于我们 - 平板响应式 */
    .section-about-new {
        padding: 60px 0;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-left-content {
        padding-right: 0;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .stat-decimal {
        font-size: 32px;
    }
    
    .stat-unit {
        font-size: 14px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    /* 产品应用 - 平板响应式 */
    .section-applications {
        padding: 60px 0;
    }
    
    .section-header-center {
        margin-bottom: 40px;
    }
    
    .section-title-center span {
        font-size: 28px;
    }
    
    .section-subtitle-center {
        display: none;
    }
    
    .btn-more-outline {
        display: none;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .lightbox-close {
        top: 20px;
        right: 20px;
        font-size: 40px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 24px;
        padding: 10px 15px;
    }
    
    /* 技术创新 - 平板响应式 */
    .section-innovation {
        padding: 60px 0;
    }
    
    .innovation-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 强力节能 - 平板响应式 */
    .section-energy {
        padding: 60px 0;
    }
    
    .energy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 精密工艺 - 平板响应式 */
    .section-craftsmanship {
        padding: 60px 0;
    }
    
    .craftsmanship-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .news-main-layout {
        gap: 30px;
    }
    
    .news-section-subtitle {
        text-align: center !important;
    }
    
    .contact-info-card,
    .contact-form-card {
        padding: 30px 20px;
    }
    
    .contact-subtitle {
        text-align: center !important;
    }
    
    .contact-company-slogan {
        text-align: center !important;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .input-icon {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 移动设备Banner广告语样式 - 768px */
    .banner-text {
        width: 90%;
        max-width: none;
    }
    
    .banner-text-bottom-right {
        bottom: 40px;
        right: 20px;
        width: 75%;
        max-width: 75%;
    }
    
    .banner-text-top-left {
        top: 40px;
        left: 20px;
        width: 70%;
    }
    
    .banner-slogan {
        font-size: 32px;
        font-weight: 600;
        letter-spacing: 0.5px;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        height: 200px;
    }
    
    .carousel-controls {
        display: none;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title span {
        font-size: 24px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    /* 9个产品布局在手机上显示1列 - 充分利用宽度 */
    .product-grid-9 {
        grid-template-columns: 1fr;
        gap: 15px;
        width: 100%;
    }
    
    /* 8个产品布局在手机上显示1列 - 充分利用宽度 */
    .product-grid-8 {
        grid-template-columns: 1fr;
        gap: 15px;
        width: 100%;
    }
    
    /* 产品目录布局在手机上显示2列 - 充分利用宽度 */
    .product-grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        width: 100%;
    }
    
    /* 产品应用 - 手机响应式 */
    .section-applications {
        padding: 40px 0;
    }
    
    .section-title-center span {
        font-size: 24px;
    }
    
    .section-subtitle-center {
        display: none;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .application-image-wrapper {
        padding-top: 65%; /* 手机端调整比例 */
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
    }
    
    .lightbox-close {
        top: 15px;
        right: 15px;
        font-size: 35px;
        width: 40px;
        height: 40px;
    }
    
    .lightbox-nav {
        padding: 0 10px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 20px;
        padding: 8px 12px;
    }
    
    /* 技术创新 - 手机响应式 */
    .section-innovation {
        padding: 40px 0;
    }
    
    .innovation-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .innovation-image-wrapper {
        padding-top: 75%;
    }
    
    /* 强力节能 - 手机响应式 */
    .section-energy {
        padding: 40px 0;
    }
    
    .energy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .energy-image-wrapper {
        padding-top: 75%;
    }
    
    /* 精密工艺 - 手机响应式 */
    .section-craftsmanship {
        padding: 40px 0;
    }
    
    .craftsmanship-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .craftsmanship-image-wrapper {
        padding-top: 75%;
    }
    
    /* 新闻滚动 - 手机响应式 */
    /* 新闻布局 - 移动端保持单列 */
    .news-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    
    .featured-news-image {
        padding-bottom: 60%; /* 移动端图片比例 */
    }
    
    .recent-news {
        gap: 12px;
    }
    
    .recent-news-item {
        padding: 15px;
    }
    
    .news-item-image {
        height: 160px;
    }
    
    .news-item-content {
        padding: 15px;
    }
    
    .news-item-title {
        font-size: 16px;
    }
    
    .news-item-description {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }
    
    .news-scroll-controls {
        display: none;
    }
    
    .news-scroll-wrapper {
        padding: 15px 0;
    }
    
    /* 视频板块 - 手机响应式 */
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .video-thumbnail {
        height: 200px;
    }
    
    .video-info {
        padding: 15px;
    }
    
    .video-title {
        font-size: 15px;
    }
    
    .video-description {
        font-size: 13px;
        -webkit-line-clamp: 1;
    }
    
    /* 特色亮点 - 手机响应式 */
    .highlight-item {
        margin-bottom: 12px;
        padding: 10px 0;
    }
    
    .highlight-icon {
        width: 20px;
        height: 20px;
        font-size: 14px;
        margin-right: 12px;
    }
    
    .highlight-text {
        font-size: 14px;
    }
    
    .carousel-indicators {
        bottom: 20px;
    }
    
    .about-image {
        min-height: auto;
    }
    
    .about-image img {
        height: 300px;
    }
    
    .about-text {
        height: auto;
        min-height: auto;
        padding: 20px 20px 50px 20px;
        display: flex;
        flex-direction: column;
    }
    
    .about-description {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 25px;
        flex: 1;
    }
    
    /* 新版关于我们 - 手机响应式 */
    .section-about-new {
        padding: 40px 0;
    }
    
    .about-main-title {
        font-size: 28px;
    }
    
    .about-since {
        font-size: 24px;
    }
    
    .about-company-name {
        font-size: 18px;
    }
    
    .about-description-new p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 30px;
    }
    
    .stat-item {
        padding: 20px;
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat-number {
        font-size: 48px;
        margin-bottom: 8px;
    }
    
    .stat-decimal {
        font-size: 36px;
    }
    
    .stat-unit {
        font-size: 16px;
    }
    
    .stat-label {
        margin: 0;
        padding: 0;
    }
    
    .btn-more-outline {
        display: none;
    }
    
    .news-featured-content,
    .news-list-section {
        padding: 20px;
    }
    
    .contact-card-header {
        padding-bottom: 20px;
    }
    
    /* 移动设备Banner广告语样式 - 480px */
    .banner-text {
        width: 95%;
        padding: 0 10px;
    }
    
    .banner-text-bottom-right {
        bottom: 30px;
        right: 15px;
        width: 85%;
        max-width: 85%;
    }
    
    .banner-text-top-left {
        top: 30px;
        left: 15px;
        width: 80%;
    }
    
    .banner-slogan {
        font-size: 24px;
        font-weight: 600;
        letter-spacing: 0.3px;
        line-height: 1.3;
    }
}

/* 移动端语言切换样式 */
.mobile-language-switcher {
    padding: 20px;
    border-bottom: 1px solid #e9ecef;
}

.mobile-lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    font-weight: 500;
    color: #333333;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-lang-toggle:hover {
    background: #e9ecef;
}

.mobile-lang-toggle .lang-icon {
    filter: brightness(0) invert(1);
}

.mobile-lang-dropdown {
    margin-top: 10px;
    display: none;
}

.mobile-language-switcher.active .mobile-lang-dropdown {
    display: block;
}

.mobile-lang-dropdown .lang-option {
    display: block;
    padding: 10px 16px;
    color: #333333;
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 5px;
    transition: var(--transition);
}

.mobile-lang-dropdown .lang-option:hover {
    background: rgba(35, 128, 198, 0.1);
    color: #2380C6;
}

.mobile-lang-dropdown .lang-option.active {
    background: #2380C6;
    color: #ffffff;
}

/* 移动端语言图标样式 */
.mobile-lang-dropdown .lang-flag {
    width: 20px;
    height: 15px;
    margin-right: 8px;
    object-fit: cover;
    border-radius: 2px;
    vertical-align: middle;
}

/* 子菜单箭头样式已移除 - 直接显示模式 */

/* 改进的移动端子菜单 - 直接显示 */
.mobile-submenu {
    background: #f8f9fa;
    margin-top: 5px;
    border-radius: 0 0 8px 8px;
    padding: 10px 0;
    display: block;
}