/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

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

ul, ol {
    list-style: none;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 滚动动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in {
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.animate-fade-in.animated {
    opacity: 1;
}

.animate-slide-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-slide-right {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-right.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-scale.animated {
    opacity: 1;
    transform: scale(1);
}

/* 延迟动画 */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* 头部样式 */
.language-switch {
    background: #f5f5f5;
    padding: 5px 0;
    text-align: right;
}

.language-switch .container {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.lang-link {
    padding: 5px 10px;
    color: #666;
    font-size: 12px;
    border: 1px solid #ddd;
    background: #fff;
}

.lang-link.active {
    background: #1e5aa8;
    color: #fff;
    border-color: #1e5aa8;
}

.main-header {
    background: #fff;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo img {
    height: 60px;
}

.company-title h1 {
    color: #000;
}

.search-box {
    display: flex;
    align-items: center;
}

.search-input {
    padding: 8px 12px;
    border: 2px solid #1e5aa8;
    border-radius: 4px 0 0 4px;
    width: 200px;
    font-size: 14px;
}

.search-btn {
    padding: 8px 15px;
    background: #1e5aa8;
    color: #fff;
    border: 2px solid #1e5aa8;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
}

.search-btn:hover {
    background: #164a96;
}

/* 导航栏 */
.main-nav {
    background: linear-gradient(135deg, #1e5aa8 0%, #2d6bb8 100%);
    padding: 0;
}

.nav-menu {
    display: flex;
    justify-content: flex-start;
}

.nav-menu li {
    position: relative;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.nav-menu li:last-child {
    border-right: none;
}

.nav-menu a {
    display: block;
    padding: 15px 25px;
    color: #fff;
    font-weight: bold;
    transition: background-color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.1);
}

/* 下拉菜单样式 */
.nav-menu .dropdown {
    position: relative;
}

.nav-menu .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.nav-menu .dropdown-menu li {
    border-right: none;
    border-bottom: 1px solid #f0f0f0;
}

.nav-menu .dropdown-menu li:last-child {
    border-bottom: none;
}

.nav-menu .dropdown-menu a {
    color: #333;
    padding: 12px 20px;
    font-weight: normal;
    white-space: nowrap;
}

.nav-menu .dropdown-menu a:hover {
    background: #f8f9fa;
    color: #007bff;
}

/* 轮播图 */
.banner-section {
    position: relative;
    height: 550px;
    overflow: hidden;
}

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

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

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

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.banner-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.nav-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.nav-dot.active {
    background: #1e5aa8;
}

/* 公司标语 */
.company-slogan {
    padding: 60px 0;
    text-align: center;
    background: transparent;
}

.company-slogan h2 {
    font-size: 36px;
    color: #666;
    font-weight: normal;
}

/* 公司专业标语 */
.company-expertise {
    padding: 20px 0;
    text-align: center;
    background: transparent;
    color: #333;
}

.company-expertise .expertise-text h2 {
    font-size: 28px;
    font-weight: bold;
    margin: 0;
    color: #000;
    letter-spacing: 1px;
}

/* 产品区域 */
.hot-products,
.new-products {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    color: #666;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 18px;
    color: #999;
}

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

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #ddd;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.product-link:hover {
    text-decoration: none;
    color: inherit;
}

/* 产品卡片边框颜色 */
.product-card.green-border {
    border-top-color: #28a745;
}

.product-card.orange-border {
    border-top-color: #fd7e14;
}

.product-card.cyan-border {
    border-top-color: #17a2b8;
}

.product-card.purple-border {
    border-top-color: #6f42c1;
}

/* 产品型号样式 */
.product-model {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
    font-style: italic;
}

.product-card.green {
    border-color: #4CAF50;
}

.product-card.orange {
    border-color: #FF9800;
}

.product-card.cyan {
    border-color: #00BCD4;
}

.product-card.purple {
    border-color: #9C27B0;
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 15px;
    text-align: center;
}

.product-info h3 {
    font-size: 16px;
    color: #000 !important;
    margin-bottom: 10px;
}

.product-info h3 a {
    color: #000 !important;
}

.product-info h3 a:hover {
    text-decoration: underline;
}

.product-info p {
    color: #000 !important;
}

.product-info .product-model {
    color: #000 !important;
}

.view-more {
    text-align: center;
}

.btn-view-more {
    display: inline-block;
    padding: 12px 30px;
    background: #1e5aa8;
    color: #fff;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-view-more:hover {
    background: #164a96;
}

/* 关于我们区域 */
.about-section {
    padding: 60px 0;
    background: #333;
    color: #fff;
}

.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
}

.about-text {
    flex: 1;
    color: #fff;
}

/* About页面专用样式 - 黑色字体 */
.page-content .about-detail .about-text {
    color: #000;
}

.page-content .about-detail .about-text h2 {
    color: #000;
}

.page-content .about-detail .about-text p {
    color: #000;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #fff;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #fff;
}

/* 新闻区域 */
.no-news p {
    color: #000;
    text-align: center;
    padding: 40px 20px;
    font-size: 16px;
}

/* 服务项目 */
.service-item h3 {
    color: #000;
}

.service-content {
    color: #000;
}

.service-content p {
    color: #000;
}

.latest-news {
    padding: 60px 0;
    background: #f9f9f9;
}

.news-content {
    display: flex !important;
    flex-direction: row !important;
    gap: 50px;
    align-items: flex-start;
}

.news-image {
    flex: 0 0 400px;
    max-width: 400px;
}

.news-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
}

.news-list {
    flex: 1;
}

.news-list h2 {
    font-size: 28px;
    color: #000;
    margin-bottom: 30px;
    margin-top: 0;
}

.news-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.news-date {
    text-align: center;
    min-width: 80px;
}

.news-date .day {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #000;
    background: #fff;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 5px;
}

.news-date .month {
    display: block;
    font-size: 12px;
    color: #000;
}

.news-info h3 {
    font-size: 13px;
    margin-bottom: 8px;
    color: #000;
}

.news-info h3 a {
    color: #000;
}

.news-info h3 a:hover {
    text-decoration: underline;
}

.news-info p {
    color: #000;
    font-size: 11px;
    line-height: 1.4;
}

/* 页脚 */
.footer-links {
    background: #1e5aa8;
    padding: 15px 0;
    text-align: center;
}

.link-section {
    color: #fff;
}

.link-section span {
    margin-right: 20px;
}

.footer-link {
    display: inline-block;
    padding: 8px 20px;
    margin: 0 10px;
    border-radius: 4px;
    color: #fff;
    font-weight: bold;
    transition: background-color 0.3s;
}

.footer-link.google {
    background: #4285f4;
}

.footer-link.baidu {
    background: #2932e1;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-content {
    background: #1e5aa8;
    padding: 50px 0;
    color: #fff;
}

footer.main-footer .footer-content .footer-section .footer-subscribe-form input[type="email"] {
    color: #000 !important;
    background-color: #fff !important;
}

footer.main-footer .footer-content .footer-section .footer-subscribe-form button[type="submit"] {
    color: #000 !important;
    background-color: #4CAF50 !important;
}

.footer-content .footer-subscribe-form input {
    color: #000 !important;
}

.footer-content .footer-subscribe-form button {
    color: #000 !important;
}

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

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-nav li {
    margin-bottom: 10px;
}

.footer-nav a {
    color: #ccc;
    transition: color 0.3s;
}

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

.subscribe-form,
.footer-subscribe-form {
    margin-top: 20px;
}

.subscribe-form input,
.footer-subscribe-form input,
.footer-content .footer-subscribe-form input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    margin-bottom: 10px;
    color: #000 !important;
    background: #fff !important;
}

.subscribe-form input::placeholder,
.footer-subscribe-form input::placeholder {
    color: #999 !important;
}

.subscribe-form button,
.footer-subscribe-form button,
.footer-content .footer-subscribe-form button {
    width: 100%;
    padding: 10px;
    background: #4CAF50 !important;
    color: #000 !important;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

.subscribe-form button:hover,
.footer-subscribe-form button:hover {
    background: #45a049;
}

.contact-info p {
    margin-bottom: 8px;
    color: #fff;
    font-size: 14px;
}

.social-icons {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.social-icon:hover {
    transform: scale(1.1);
}

.social-icon img {
    width: 24px;
    height: 24px;
}

.qr-codes {
    display: flex;
    gap: 15px;
}

.qr-item img {
    width: 80px;
    height: 80px;
    border-radius: 4px;
}

.footer-bottom {
    background: #164a96;
    padding: 20px 0;
    color: #fff;
}

.copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sitemap-link {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #ccc;
}

.sitemap-link img {
    width: 16px;
    height: 16px;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.back-to-top a {
    display: block;
    width: 50px;
    height: 50px;
    background: #1e5aa8;
    color: #fff;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.back-to-top a:hover {
    background: #164a96;
}

/* 右侧浮动按钮组 */
.floating-buttons {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.floating-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.floating-btn.customer-service {
    background: #FF9800;
}

.floating-btn.phone {
    background: #4CAF50;
}

.floating-btn.back-top {
    background: #666;
}

/* 页面内容样式 */
.page-banner {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.page-content {
    padding: 60px 0;
}

.content-layout {
    display: flex;
    gap: 40px;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
}

.main-content-area {
    flex: 1;
    position: relative;
    padding-bottom: 60px; /* 为询盘按钮留出空间 */
}

.sidebar-section {
    margin-bottom: 40px;
}

.sidebar-section h3 {
    font-size: 18px;
    color: #1e5aa8;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1e5aa8;
}

.sidebar-item {
    margin-bottom: 10px;
}

.sidebar-item a {
    display: block;
    padding: 10px 15px;
    background: #f5f5f5;
    color: #666;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.sidebar-item.active a,
.sidebar-item a:hover {
    background: #1e5aa8;
    color: #fff;
}

.contact-card {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
}

.contact-image {
    margin-bottom: 15px;
}

.contact-image img {
    width: 100%;
    border-radius: 4px;
}

.contact-info p {
    margin-bottom: 8px;
    font-size: 14px;
    color: #000;
}

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

.content-header h2 {
    font-size: 28px;
    color: #333;
    padding-bottom: 15px;
    border-bottom: 2px solid #1e5aa8;
}

/* 表单样式 */
.contact-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e5aa8;
}

.btn-submit {
    padding: 12px 30px;
    background: #1e5aa8;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background: #164a96;
}

/* 新闻列表样式 */
.news-item-large {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
    max-width: 100%;
    height: 200px !important;
    min-height: 200px !important;
    width: 100% !important;
    box-sizing: border-box;
}

.news-item-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    border-color: #1e5aa8;
}

.news-item-large .news-image {
    width: 200px !important;
    height: 160px !important;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 6px;
    min-width: 200px;
    max-width: 200px;
}

.news-item-large .news-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.news-item-large .news-content {
    width: calc(100% - 220px) !important;
    max-width: calc(100% - 220px) !important;
    min-width: 300px !important;
    flex: 1;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-meta {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.news-category {
    color: #1e5aa8;
    font-weight: bold;
    background: rgba(30, 90, 168, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.news-date {
    color: #888;
    font-size: 12px;
    display: flex;
    align-items: center;
}

.news-date:before {
    content: "📅";
    margin-right: 5px;
}

.news-author {
    color: #666;
    font-size: 12px;
    display: flex;
    align-items: center;
}

.news-author:before {
    content: "✍️";
    margin-right: 5px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 600;
}

.news-content h3 a {
    color: #333;
    transition: color 0.3s ease;
}

.news-content h3 a:hover {
    color: #1e5aa8;
}

.news-content p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
    font-size: 13px;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.read-more {
    color: #1e5aa8;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    align-self: flex-start;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.read-more:hover {
    color: #164a96;
    border-bottom-color: #164a96;
}

.view-more-link {
    color: #1e5aa8;
    font-weight: bold;
}

.view-more-link:hover {
    text-decoration: underline;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 50px 0;
    padding: 30px 0;
    border-top: 1px solid #eee;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    gap: 5px;
}

.page-btn:hover {
    background: #1e5aa8;
    border-color: #1e5aa8;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 90, 168, 0.3);
}

.page-btn.current {
    background: #1e5aa8;
    border-color: #1e5aa8;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(30, 90, 168, 0.3);
}

.page-btn.prev,
.page-btn.next {
    padding: 8px 16px;
    font-weight: 600;
}

.page-btn.prev .page-icon,
.page-btn.next .page-icon {
    font-size: 18px;
    font-weight: bold;
}

.page-dots {
    color: #999;
    font-weight: bold;
    padding: 0 5px;
}

/* 无新闻提示样式 */
.no-news {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    font-size: 18px;
    background: #f9f9f9;
    border-radius: 8px;
    margin: 40px 0;
}

.no-news:before {
    content: "📰";
    display: block;
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* 产品选择框 */
.product-select {
    margin-bottom: 10px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    gap: 5px;
}

.pagination-btn {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 2px;
    text-decoration: none;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    background-color: #1e5aa8;
    color: #fff;
    border-color: #1e5aa8;
}

.pagination-btn.active {
    background-color: #1e5aa8;
    color: #fff;
    border-color: #1e5aa8;
}

.pagination-btn.prev,
.pagination-btn.next {
    font-weight: bold;
}

.pagination-info {
    text-align: center;
    margin: 20px 0;
    color: #666;
    font-size: 14px;
}

/* 联系我们页面样式 */
.contact-information {
    margin: 30px 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.contact-information h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

.contact-details {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.contact-left {
    flex: 1;
}

.china-map {
    max-width: 300px;
    height: auto;
}

.contact-right {
    flex: 2;
}

.contact-right p {
    margin: 10px 0;
    color: #333;
    line-height: 1.6;
}

.feedback-section {
    margin: 30px 0;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.feedback-section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

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

.feedback-form .form-group {
    display: flex;
    flex-direction: column;
}

.feedback-form .form-group.full-width {
    grid-column: 1 / -1;
}

.feedback-form label {
    margin-bottom: 5px;
    color: #333;
    font-weight: bold;
}

.feedback-form input,
.feedback-form textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
}

.feedback-form input:focus,
.feedback-form textarea:focus {
    outline: none;
    border-color: #1e5aa8;
    box-shadow: 0 0 5px rgba(30, 90, 168, 0.3);
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
    justify-content: flex-start;
}

.btn-submit,
.btn-reset {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-submit {
    background-color: #1e5aa8;
    color: #fff;
}

.btn-submit:hover {
    background-color: #164a91;
}

.btn-reset {
    background-color: #6c757d;
    color: #000;
}

.btn-reset:hover {
    background-color: #5a6268;
}

.form-note {
    grid-column: 1 / -1;
    color: #666;
    font-size: 12px;
    margin-top: 10px;
}

/* 关于我们页面底部联系信息样式 */
.bottom-contact {
    background-color: #333;
    color: #fff;
    padding: 30px 0;
    margin-top: 50px;
}

.bottom-contact-content {
    text-align: center;
}

.bottom-contact h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 24px;
}

.bottom-contact .contact-details {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.bottom-contact .contact-item {
    color: #fff;
    font-size: 14px;
}

.bottom-contact .contact-address {
    margin-top: 20px;
    color: #fff;
    font-size: 14px;
}

.about-text {
    color: #333 !important;
}

/* 多选询盘功能样式 */
.inquiry-section {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.selected-products h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: bold;
}

.selected-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
    min-height: 60px;
    max-height: 200px;
    overflow-y: auto;
}

.selected-item {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px 12px;
    gap: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.selected-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
}

.selected-name {
    font-size: 14px;
    color: #333;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-remove {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.btn-remove:hover {
    background: #c82333;
}

.inquiry-actions {
    display: flex;
    gap: 10px;
}

.btn-inquiry {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-inquiry:hover {
    background: #0056b3;
}

.btn-clear {
    background: #6c757d;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-clear:hover {
    background: #545b62;
}

/* 产品卡片复选框样式 */
.product-card {
    position: relative;
}

.product-checkbox {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
}

.product-select {
    display: none;
}

.checkbox-label {
    display: block;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #ddd;
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.checkbox-label:hover {
    border-color: #007bff;
    background: white;
}

.product-select:checked + .checkbox-label {
    background: #007bff;
    border-color: #007bff;
}

.product-select:checked + .checkbox-label::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* 询盘弹窗样式 */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 18px;
}

.close {
    font-size: 24px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.modal-body .form-group {
    margin-bottom: 15px;
}

.modal-body label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.modal-body input,
.modal-body textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.modal-body input:focus,
.modal-body textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.btn-submit {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background: #218838;
}

.btn-cancel {
    background: #6c757d;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-cancel:hover {
    background: #545b62;
}

/* 询盘页面已选产品样式 */
.selected-products-inquiry {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.selected-products-inquiry h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

/* 产品表格样式 */
.product-table-container {
    overflow-x: auto;
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    max-height: 400px;
    overflow-y: auto;
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    table-layout: fixed;
}

.product-table th, 
.product-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.product-table th {
    background-color: #f8f9fa;
    font-weight: bold;
    color: #333;
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 2px solid #2c5530;
}

.product-table th:first-child {
    width: 40%;
}

.product-table th:nth-child(2),
.product-table th:nth-child(3) {
    width: 30%;
}

.product-table tbody tr:hover {
    background-color: #f8f9fa;
}

.product-table tbody tr:last-child td {
    border-bottom: none;
}

.product-table .form-control {
    margin: 0;
    padding: 8px 12px;
    border-radius: 4px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
    
    .main-header .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-box {
        width: 100%;
    }
    
    .main-nav .nav-menu {
        flex-direction: column;
        gap: 10px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .content-layout {
        flex-direction: column;
    }
    
    .sidebar {
        order: 2;
        margin-top: 30px;
    }
    
    .main-content-area {
        order: 1;
    }
    
    .contact-details {
        flex-direction: column;
    }
    
    .feedback-form {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .bottom-contact .contact-details {
        flex-direction: column;
        gap: 15px;
    }
    
    /* 多选功能响应式 */
    .inquiry-section {
        padding: 15px;
    }
    
    .selected-list {
        max-height: 150px;
    }
    
    .selected-item {
        padding: 6px 10px;
    }
    
    .selected-image {
        width: 30px;
        height: 30px;
    }
    
    .selected-name {
        max-width: 100px;
        font-size: 12px;
    }
    
    .inquiry-actions {
        flex-direction: column;
    }
    
    .btn-inquiry,
    .btn-clear {
        width: 100%;
        padding: 12px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-header,
    .modal-body {
        padding: 15px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-submit,
    .btn-cancel {
        width: 100%;
        padding: 12px;
    }
    
    /* 询盘按钮响应式 */
    .inquiry-btn {
        padding: 5px 10px !important;
        font-size: 12px !important;
    }
    
    .inquiry-count {
        width: 14px !important;
        height: 14px !important;
        font-size: 9px !important;
    }
    
    .product-table-container {
        margin: 0 -10px;
        width: calc(100% + 20px);
        border-radius: 0;
        max-height: 300px;
    }
    
    .product-table th, 
    .product-table td {
        padding: 10px;
        font-size: 13px;
    }
}

/* 询盘按钮样式 */
.inquiry-btn {
    background-color: #1e5aa8;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.inquiry-btn:hover {
    background-color: #164a96;
}

.inquiry-label {
    margin: 0;
}

.inquiry-count {
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: none; /* 初始状态隐藏，有选中产品时显示 */
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
    margin-left: 5px;
}



/* 弹窗中的产品列表样式 */
.selected-products-modal {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.selected-products-modal h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: bold;
}

.selected-list-modal {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 200px;
    overflow-y: auto;
}

.selected-item-modal {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 10px;
    gap: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.selected-item-modal:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

.selected-image-modal {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #eee;
}

.selected-name-modal {
    flex: 1;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.btn-remove-modal {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-remove-modal:hover {
    background: #c82333;
    transform: scale(1.1);
}

.footer-section * {
    color: #fff;
}

.footer-section a {
    color: #fff;
}

.footer-section p {
    color: #fff;
}

.products-display {
    position: relative;
    min-height: 400px; /* 确保有足够的高度 */
}

.pagination-inquiry-row {
    display: flex;
    justify-content: flex-end;
    margin: 20px 0 10px;
}