/* 
 * ChemTech 主题主要样式
 */

/* 全局样式 */
body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

a {
    color: #0066cc;
    transition: color 0.3s ease;
}

a:hover {
    color: #004499;
    text-decoration: none;
}

/* 头部样式 */
.site-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.admin-bar .site-header {
    top: 32px;
}

.site-header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.site-branding {
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.site-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-title a {
    color: #333;
    text-decoration: none;
    display: block;
}

.site-description {
    margin: 5px 0 0;
    font-size: 0.85rem;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-logo-link {
    display: block;
}

.custom-logo {
    max-height: 60px;
    width: auto;
}

.header-right {
    height: 100%;
}

/* 导航菜单 */
.main-navigation {
    margin-left: auto;
}

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

.nav-menu li {
    position: relative;
    margin: 0 0 0 20px;
}

.nav-menu a {
    display: block;
    padding: 10px 0;
    color: #333;
    font-weight: 500;
    text-decoration: none;
    position: relative;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    transition: width 0.3s ease;
}

.nav-menu a:hover:after,
.nav-menu .current-menu-item a:after,
.nav-menu .current-menu-parent a:after {
    width: 100%;
}

/* 子菜单 */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: -20px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 200px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    border-radius: 4px;
}

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

.nav-menu .sub-menu li {
    margin: 0;
}

.nav-menu .sub-menu a {
    padding: 8px 20px;
}

.nav-menu .sub-menu a:after {
    display: none;
}

.nav-menu .sub-menu a:hover {
    background-color: #f8f9fa;
}

/* 搜索按钮 */
.header-search {
    margin-left: 20px;
    position: relative;
}

/* 搜索结果页面样式 */
.search-results {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.search-results .page-title {
    margin-bottom: 30px;
    font-size: 2rem;
    color: #333;
    text-align: center;
}

.search-results .page-title span {
    color: #0066cc;
}

.search-filters {
    margin-bottom: 30px;
    text-align: center;
}

.search-filters select {
    padding: 10px 20px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 1rem;
    color: #333;
    background-color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
}

.search-filters select:hover,
.search-filters select:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0,102,204,0.1);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.result-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.result-image {
    display: block;
    position: relative;
    padding-top: 60%;
    overflow: hidden;
}

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

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

.result-content {
    padding: 20px;
}

.result-title {
    margin: 0 0 10px;
    font-size: 1.25rem;
    line-height: 1.4;
}

.result-title a {
    color: #333;
    text-decoration: none;
}

.result-title a:hover {
    color: #0066cc;
}

.result-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.875rem;
    color: #666;
}

.result-excerpt {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #0066cc;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.btn-more:hover {
    color: #004499;
}

.btn-more i {
    font-size: 0.875em;
    transition: transform 0.3s ease;
}

.btn-more:hover i {
    transform: translateX(5px);
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.no-results p {
    margin-bottom: 20px;
    color: #666;
    font-size: 1.1rem;
}

.no-results .search-form {
    max-width: 500px;
    margin: 30px auto 0;
}

.no-results .search-form input[type="search"] {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.no-results .search-form input[type="search"]:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0,102,204,0.1);
    outline: none;
}

.no-results .search-form input[type="submit"] {
    margin-top: 15px;
    padding: 12px 30px;
    background: #0066cc;
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.no-results .search-form input[type="submit"]:hover {
    background-color: #004499;
}

/* 分页导航样式 */
.navigation.pagination {
    margin-top: 40px;
    text-align: center;
}

.nav-links {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px;
    background: #fff;
    border-radius: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #666;
    font-weight: 500;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.page-numbers.current {
    background: #0066cc;
    color: #fff;
}

.page-numbers:not(.current):hover {
    background: #f0f0f0;
    color: #0066cc;
}

.page-numbers.prev,
.page-numbers.next {
    font-size: 0.875rem;
}

.search-toggle {
    background: none;
    border: none;
    color: #333;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
}

.search-toggle:hover {
    color: #0066cc;
}

.search-form-wrapper {
    position: absolute;
    top: 100%;
    right: 0;
    width: 300px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 15px;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.search-form-wrapper.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-form {
    display: flex;
}

.search-field {
    flex-grow: 1;
    border: 1px solid #ddd;
    padding: 8px 12px;
    border-radius: 4px 0 0 4px;
}

.search-submit {
    background-color: #0066cc;
    color: #fff;
    border: none;
    padding: 8px 15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

/* 移动菜单 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #333;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease;
        z-index: 100;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu li {
        margin: 0 0 10px 0;
    }
    
    .nav-menu .sub-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding-left: 20px;
    }
    
    .header-search {
        margin-left: 15px;
    }
    
    .search-form-wrapper {
        width: 100%;
        left: 0;
    }
}

/* 页面标题 */
.page-title {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
    color: #333;
}

/* 产品列表 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    border: 1px solid #eee;
    border-radius: 5px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.product-card-content {
    padding: 20px;
}

.product-card-title {
    margin-top: 0;
    font-size: 18px;
}

.product-card-category {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

/* 产品详情页 */
.product-image {
    margin-bottom: 30px;
}

/* 产品参数对比部分样式 */
.product-parameters-section {
    margin: 60px 0;
    padding: 40px;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.product-parameters-section .section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.product-parameters-section .section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    border-radius: 3px;
}

/* 参数表格样式 */
.product-parameters-section .parameters-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 0 0 1px #e9ecef;
}

.product-parameters-section .parameters-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
}

.product-parameters-section .parameters-table thead th {
    background: linear-gradient(145deg, #f8f9fa, #f1f3f5);
    font-weight: 600;
    color: #495057;
    padding: 20px;
    text-align: left;
    border-bottom: 2px solid #dee2e6;
    white-space: nowrap;
}

.product-parameters-section .parameters-table tbody tr {
    transition: all 0.2s ease;
}

.product-parameters-section .parameters-table tbody tr:nth-child(even) {
    background: rgba(248, 249, 250, 0.5);
}

.product-parameters-section .parameters-table tbody tr:hover {
    background: rgba(0, 102, 204, 0.02);
}

.product-parameters-section .parameters-table th,
.product-parameters-section .parameters-table td {
    padding: 16px 20px;
    border-bottom: 1px solid #e9ecef;
}

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

.product-parameters-section .parameters-table th {
    font-weight: 500;
    color: #495057;
    width: 220px;
    text-align: left;
    background: rgba(248, 249, 250, 0.7);
    position: relative;
}

.product-parameters-section .parameters-table td {
    color: #333;
    font-size: 0.95rem;
}

.product-parameters-section .parameters-table .different {
    background: rgba(0, 102, 204, 0.04) !important;
}

.product-parameters-section .parameters-table .different td {
    font-weight: 600;
    color: #0066cc;
    position: relative;
}

.product-parameters-section .parameters-table .different td:first-of-type:after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #0066cc;
    opacity: 0.5;
}

.product-parameters-section .parameters-table .no-parameters td {
    text-align: center;
    color: #6c757d;
    padding: 40px 20px;
    font-style: italic;
    background: rgba(248, 249, 250, 0.3);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .product-parameters-section {
        margin: 40px 0;
        padding: 30px 20px;
    }
    
    .product-parameters-section .parameters-table th {
        width: 180px;
    }
    
    .product-parameters-section .parameters-table th,
    .product-parameters-section .parameters-table td {
        padding: 14px 16px;
    }
}

@media (max-width: 767px) {
    .product-parameters-section {
        margin: 30px -15px;
        padding: 20px 15px;
        border-radius: 0;
    }
    
    .product-parameters-section .section-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .product-parameters-section .parameters-table-wrapper {
        margin: 0 -15px;
        border-radius: 0;
    }
    
    .product-parameters-section .parameters-table th,
    .product-parameters-section .parameters-table td {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .product-parameters-section .parameters-table thead th {
        padding: 15px;
    }
}

/* 产品对比表 */
.product-comparison-table {
    margin-top: 30px;
    overflow-x: auto;
}

.product-comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

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

.product-comparison-table th {
    background-color: #f5f5f5;
    font-weight: 600;
}

.product-comparison-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 16px;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 4px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 8px 16px;
    font-size: 16px;
    line-height: 1.5;
    border-radius: 4px;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #0066cc;
    border-color: #0066cc;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004494;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-outline-primary {
    color: #0066cc;
    background-color: transparent;
    border-color: #0066cc;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: #0066cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 页脚样式优化 */
.site-footer {
    background: linear-gradient(145deg, #1a1a1a, #222);
    color: #999;
    font-size: 1rem;
    line-height: 1.7;
    position: relative;
}

.site-footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

/* 页脚小部件区域 */
.footer-widgets {
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.footer-widgets:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.footer-widget {
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

/* Logo 区域 */
.footer-logo {
    margin-bottom: 30px;
    display: inline-block;
    position: relative;
}

.footer-logo img {
    max-height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.footer-logo:hover img {
    transform: translateY(-3px);
}

.footer-logo-text {
    color: #fff;
    font-size: 2rem;
    margin: 0 0 25px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.about-text {
    margin-bottom: 30px;
    opacity: 0.8;
    line-height: 1.8;
}

/* 社交链接优化 */
.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.social-links a:hover {
    background: #0066cc;
    color: #fff;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

/* 微信二维码优化 */
.weixin-link {
    position: relative;
}

.qr-code {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 120px;
    height: 120px;
    background: #fff;
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 100;
}

.weixin-link:hover .qr-code {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 页脚标题优化 */
.widget-title {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
    letter-spacing: 0.5px;
}

.widget-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    border-radius: 3px;
}

/* 页脚链接列表优化 */
.footer-links,
.product-links,
.contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.product-links li {
    margin-bottom: 12px;
    position: relative;
}

.footer-links a,
.product-links a {
    color: #999;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 3px 0;
}

.footer-links a:hover,
.product-links a:hover {
    color: #fff;
    transform: translateX(8px);
}

/* 联系信息优化 */
.contact-info {
    margin: 0;
    padding: 0;
    list-style: none;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 8px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-info li:hover {
    background: rgba(255,255,255,0.03);
    transform: translateX(5px);
}

.contact-info i {
    width: 36px;
    height: 36px;
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-right: 15px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-info li:hover i {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

.contact-text {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.contact-text .label {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-text .value {
    color: #fff;
    font-size: 1rem;
    line-height: 1.4;
    word-break: break-word;
}

.contact-text a.value {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-text a.value:hover {
    color: #0066cc;
}

/* 特定联系方式的图标颜色 */
.contact-address i {
    background: linear-gradient(145deg, #e44d26, #f16529);
}

.contact-phone i {
    background: linear-gradient(145deg, #4CAF50, #45a049);
}

.contact-mobile i {
    background: linear-gradient(145deg, #2196F3, #1976D2);
}

.contact-email i {
    background: linear-gradient(145deg, #9C27B0, #7B1FA2);
}

.contact-worktime i {
    background: linear-gradient(145deg, #FF9800, #F57C00);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .contact-info li {
        margin-bottom: 20px;
    }
    
    .contact-text .value {
        font-size: 0.95rem;
    }
}

@media (max-width: 767px) {
    .contact-info li {
        padding: 6px;
    }
    
    .contact-info i {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
        margin-right: 12px;
    }
    
    .contact-text .label {
        font-size: 0.8rem;
    }
    
    .contact-text .value {
        font-size: 0.9rem;
    }
}

/* 页脚底部优化 */
.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 25px 0;
    font-size: 0.9rem;
    position: relative;
}

.footer-bottom:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.copyright {
    opacity: 0.8;
}

.copyright a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright a:hover {
    color: #fff;
}

.footer-menu {
    display: flex;
    justify-content: flex-end;
    gap: 30px;
}

.footer-menu a {
    color: #999;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

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

.footer-menu a:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #0066cc;
    transition: width 0.3s ease;
}

.footer-menu a:hover:after {
    width: 100%;
}

/* 返回顶部按钮优化 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    border: none;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) rotate(10deg);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) rotate(0);
}

.back-to-top:hover {
    background: linear-gradient(145deg, #004499, #0066cc);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

/* 响应式优化 */
@media (max-width: 991px) {
    .footer-widgets {
        padding: 80px 0 60px;
    }

    .footer-menu {
        justify-content: flex-start;
        margin-top: 15px;
    }

    .social-links {
        justify-content: flex-start;
    }
}

@media (max-width: 767px) {
    .footer-widgets {
        padding: 60px 0 40px;
    }

    .footer-widget {
        margin-bottom: 40px;
    }

    .footer-bottom {
        text-align: center;
        padding: 20px 0;
    }

    .footer-menu {
        justify-content: center;
        margin-top: 15px;
        gap: 20px;
    }

    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 575px) {
    .footer-menu {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
    
    .main-navigation {
        margin-top: 15px;
    }
    
    .main-navigation ul {
        flex-direction: column;
    }
    
    .main-navigation li {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* 首页横幅优化 */
.home-hero {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background-image: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(45deg, #0066cc, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.6;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    animation: fadeInUp 1.2s ease;
}

.hero-buttons .btn {
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, #0066cc, #0099ff);
    border: none;
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.4);
}

.btn-outline-light {
    color: #0066cc;
    border: 2px solid #0066cc;
    background: transparent;
}

.btn-outline-light:hover {
    background: #0066cc;
    color: #fff;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 特色部分优化 */
.section-features {
    padding: 80px 0;
    background: #fff;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: #ffffff;
    border-radius: 20px;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
    border-radius: 50%;
    font-size: 2rem;
    color: #0066cc;
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 产品部分优化 */
.section-products {
    padding: 80px 0;
    background: #f7faff;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, #0066cc, #0099ff);
    margin: 20px auto 0;
    border-radius: 3px;
}

/* 解决方案部分优化 */
.section-solutions {
    padding: 80px 0;
    background: #fff;
}

.solution-item {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.solution-image {
    display: block;
    position: relative;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.solution-content {
    padding: 30px;
}

.solution-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.solution-content h3 a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.solution-content h3 a:hover {
    color: #0066cc;
}

.solution-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-more {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-more:hover {
    color: #004499;
    gap: 12px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 响应式调整 */
@media (max-width: 991px) {
    .home-hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-image {
        margin-top: 40px;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* 产品归档页面样式 */
.product-archive-header {
    background: linear-gradient(135deg, #004080, #0066cc);
    color: #fff;
    padding: 60px 0;
    margin-bottom: 50px;
}

.archive-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.archive-description p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.product-search-form .input-group {
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-radius: 25px;
    overflow: hidden;
}

.product-search-form .form-control {
    height: 50px;
    border: 1px solid #e9ecef;
    border-right: none;
    padding-left: 20px;
    border-radius: 25px 0 0 25px;
}

.product-search-form .form-control:focus {
    box-shadow: none;
    border-color: #0066cc;
}

.product-search-form .btn {
    border-radius: 0 25px 25px 0;
    padding: 0 25px;
    background: #0066cc;
    border-color: #0066cc;
    height: 50px;
}

.product-search-form .btn:hover {
    background: #004d99;
    border-color: #004d99;
}

.product-search-form .btn i {
    font-size: 18px;
}

.section-products-archive {
    padding: 0 0 80px;
}

/* 侧边栏样式 */
.product-sidebar {
    margin-bottom: 30px;
}

.sidebar-widget {
    background: #d7e6f5;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.widget-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
    position: relative;
}

.widget-title:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 50px;
    height: 2px;
    background: #0066cc;
}

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

.product-categories li {
    margin-bottom: 10px;
    border-bottom: 1px dashed #e9ecef;
    padding-bottom: 10px;
}

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

.product-categories a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #495057;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-categories a:hover {
    color: #0066cc;
}

.product-categories .active a {
    color: #0066cc;
    font-weight: 600;
}

.category-count {
    background: #e9ecef;
    border-radius: 20px;
    padding: 2px 10px;
    font-size: 0.8rem;
    color: #6c757d;
}

.product-help-widget {
    background: linear-gradient(135deg, #0066cc, #00ccff);
    color: #fff;
}

.product-help-widget .widget-title {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.2);
}

.product-help-widget .widget-title:after {
    background: #fff;
}

.product-help-widget p {
    margin-bottom: 20px;
}

.product-help-widget .btn {
    background: transparent;
    border-color: #fff;
    color: #fff;
}

.product-help-widget .btn:hover {
    background: #fff;
    color: #0066cc;
}

/* 产品过滤栏 */
.product-filter-bar {
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.showing-results {
    color: #6c757d;
}

.product-sorting .form-control {
    border: 1px solid #e9ecef;
    border-radius: 5px;
    height: 40px;
    width: auto;
    display: inline-block;
    padding: 0 15px;
}

/* 产品卡片 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.product-image {
    position: relative;
    display: block;
    padding-top: 66.67%; /* 3:2 比例 */
    overflow: hidden;
    text-decoration: none; /* 移除下划线 */
    background: #f8f9fa; /* 添加背景色 */
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block; /* 确保图片没有额外空间 */
}

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

.no-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    color: #adb5bd;
    font-size: 3rem;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,102,204,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-decoration: none; /* 移除下划线 */
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-view {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 20px;
    border: 2px solid rgba(255,255,255,0.9);
    border-radius: 25px;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none; /* 防止按钮触发额外的点击事件 */
}

.product-card:hover .btn-view {
    transform: translateY(0);
}

.product-content {
    padding: 20px;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.product-title a {
    color: #333;
    text-decoration: none;
}

.product-title a:hover {
    color: #0066cc;
}

.product-category {
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.product-category a {
    color: #6c757d;
    text-decoration: none;
}

.product-category a:hover {
    color: #0066cc;
}

.product-excerpt {
    color: #6c757d;
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    color: #0066cc;
    font-weight: 600;
    text-decoration: none;
}

.btn-more i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-more:hover i {
    transform: translateX(5px);
}

/* 分页 */
.pagination-container {
    margin-top: 50px;
    text-align: center;
}

.pagination {
    display: inline-flex;
    justify-content: center;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0 5px;
    border-radius: 50%;
    background: #f8f9fa;
    color: #495057;
    text-decoration: none;
    transition: all 0.3s ease;
}

.page-numbers.current {
    background: #0066cc;
    color: #fff;
}

.page-numbers:hover:not(.current) {
    background: #e9ecef;
}

.page-numbers.prev,
.page-numbers.next {
    width: auto;
    padding: 0 15px;
    border-radius: 20px;
}

/* 无产品状态 */
.no-products-found {
    text-align: center;
    padding: 50px 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.no-products-icon {
    font-size: 3rem;
    color: #adb5bd;
    margin-bottom: 20px;
}

.no-products-found h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.no-products-found p {
    color: #6c757d;
    max-width: 500px;
    margin: 0 auto 25px;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .product-archive-header {
        padding: 40px 0;
        margin-bottom: 40px;
    }
    
    .archive-title {
        font-size: 2rem;
    }
    
    .product-sidebar {
        margin-bottom: 40px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 767px) {
    .product-archive-header {
        padding: 30px 0;
        margin-bottom: 30px;
    }
    
    .archive-title {
        font-size: 1.8rem;
    }
    
    .product-search-form {
        margin-top: 20px;
    }
    
    .product-filter-bar {
        flex-direction: column;
    }
    
    .showing-results {
        margin-bottom: 15px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* 产品详细页样式 */
.product-single {
    padding: 60px 0;
}

.product-breadcrumb {
    margin-bottom: 40px;
}

.breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
}

/* 产品图片 */
.product-gallery {
    position: relative;
    margin-bottom: 30px;
}

.product-main-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-main-image img {
    width: 100%;
    height: auto;
}

/* 产品信息 */
.product-info {
    padding-left: 30px;
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.product-description {
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-actions {
    margin-top: 30px;
}

.product-actions .btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 25px;
}

.product-actions .btn i {
    margin-right: 8px;
}

/* 相关产品 */
.related-products {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid #dee2e6;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .product-info {
        padding-left: 0;
        margin-top: 30px;
    }
    
    .product-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 767px) {
    .product-single {
        padding: 40px 0;
    }
    
    .product-breadcrumb {
        margin-bottom: 30px;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
}

/* 产品参数表格样式 */
.product-parameters {
    margin: 30px 0;
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
}

.product-parameters h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #333;
}

.parameters-table {
    width: 100%;
    border-collapse: collapse;
}

.parameters-table tr {
    border-bottom: 1px solid #dee2e6;
}

.parameters-table tr:last-child {
    border-bottom: none;
}

.parameters-table th,
.parameters-table td {
    padding: 12px 0;
}

.parameters-table th {
    color: #666;
    font-weight: normal;
    width: 40%;
}

.parameters-table td {
    color: #333;
    font-weight: 500;
}

@media (max-width: 767px) {
    .product-parameters {
        padding: 15px;
        margin: 20px 0;
    }
    
    .parameters-table th,
    .parameters-table td {
        padding: 8px 0;
        font-size: 0.9rem;
    }
}

/* 联系我们页面样式 */
.page-contact .page-header {
    background: linear-gradient(145deg, #0066cc, #004499);
    padding: 80px 0;
    text-align: center;
    color: #fff;
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.page-contact .page-header:before {
    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="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>') center/80px repeat,
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%),
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%);
    background-size: 80px 80px, 40px 40px, 40px 40px;
    background-position: 0 0, 0 0, 20px 20px;
    opacity: 0.3;
    animation: headerBgMove 30s linear infinite;
}

@keyframes headerBgMove {
    0% { background-position: 0 0, 0 0, 20px 20px; }
    100% { background-position: 80px 80px, 40px 40px, 60px 60px; }
}

.page-contact .page-title {
    font-size: 3rem;
    margin-bottom: 20px;
    position: relative;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-contact .page-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.contact-content {
    margin-bottom: 80px;
}

/* 联系信息样式 */
.contact-info {
    background: #ffffff00;
    border-radius: 20px;
    padding: 1px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    height: 100%;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 35px;
    transition: transform 0.3s ease;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item:hover {
    transform: translateX(5px);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, #0066cc, #004499);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 25px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

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

.info-icon i {
    color: #fff;
    font-size: 1.4rem;
}

.info-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.info-content p {
    margin: 0;
    color: #666;
    line-height: 1.6;
    font-size: 1.1rem;
}

.info-content a {
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.info-content a:hover {
    color: #0066cc;
}

/* 联系表单样式 */
.contact-form {
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-5px);
}

.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    font-size: 1rem;
    animation: fadeIn 0.5s ease;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-form h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.form-description {
    color: #666;
    margin-bottom: 35px;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: 500;
    font-size: 1.05rem;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 1rem;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.form-control::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.form-control:focus::before {
    left: 100%;
}

.form-control:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 4px rgba(0,102,204,0.1);
    outline: none;
    background: #fff;
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

.btn-primary {
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,102,204,0.3);
}

/* 地图区域样式 */
.contact-map {
    height: 500px;
    margin-bottom: 80px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 响应式调整 */
@media (max-width: 1199px) {
    .contact-form {
        padding: 40px;
    }
}

@media (max-width: 991px) {
    .page-contact .page-header {
        padding: 60px 0;
        margin-bottom: 60px;
    }

    .page-contact .page-title {
        font-size: 2.5rem;
    }

    .contact-info {
        margin-bottom: 30px;
        padding: 30px;
    }

    .info-icon {
        width: 50px;
        height: 50px;
    }

    .contact-form h2 {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .page-contact .page-header {
        padding: 50px 0;
        margin-bottom: 40px;
    }

    .page-contact .page-title {
        font-size: 2rem;
    }

    .page-contact .page-description {
        font-size: 1.1rem;
    }

    .contact-form {
        padding: 30px;
    }

    .contact-form h2 {
        font-size: 1.8rem;
    }

    .form-control {
        padding: 12px 15px;
    }

    .btn-primary {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .contact-map {
        height: 300px;
        margin-bottom: 40px;
    }
}

/* 首页解决方案部分 */
.section-solutions {
    background: #f8f9fa;
    padding: 80px 0;
}

.section-solutions .solution-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    height: 100%;
    transition: all 0.3s ease;
}

.section-solutions .solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.section-solutions .solution-image {
    display: block;
    position: relative;
    overflow: hidden;
}

.section-solutions .solution-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.section-solutions .solution-item:hover .solution-image img {
    transform: scale(1.05);
}

.section-solutions .solution-content {
    padding: 25px;
}

.section-solutions .solution-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.section-solutions .solution-content h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.section-solutions .solution-content h3 a:hover {
    color: #0066cc;
}

.section-solutions .solution-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.section-solutions .btn-more {
    display: inline-flex;
    align-items: center;
    color: #0066cc;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.section-solutions .btn-more i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.section-solutions .btn-more:hover {
    color: #004499;
}

.section-solutions .btn-more:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .section-solutions {
        padding: 60px 0;
    }
    
    .section-solutions .solution-image img {
        height: 200px;
    }
    
    .section-solutions .solution-content {
        padding: 20px;
    }
    
    .section-solutions .solution-content h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 767px) {
    .section-solutions {
        padding: 40px 0;
    }
    
    .section-solutions .solution-item {
        margin-bottom: 30px;
    }
    
    .section-solutions .solution-image img {
        height: 180px;
    }
    
    .section-solutions .solution-content {
        padding: 15px;
    }
    
    .section-solutions .solution-content h3 {
        font-size: 1.2rem;
    }
}

/* 解决方案列表页面样式 */
.solutions-archive .page-header {
    background: linear-gradient(145deg, #0066cc, #004499);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.solutions-archive .page-header:before {
    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="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>') center/80px repeat,
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%),
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%);
    background-size: 80px 80px, 40px 40px, 40px 40px;
    background-position: 0 0, 0 0, 20px 20px;
    opacity: 0.3;
    animation: headerBgMove 30s linear infinite;
}

@keyframes headerBgMove {
    0% { background-position: 0 0, 0 0, 20px 20px; }
    100% { background-position: 80px 80px, 40px 40px, 60px 60px; }
}

.solutions-archive .page-title {
    font-size: 2.8rem;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.solutions-archive .page-description {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.solution-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,102,204,0.15);
}

.solution-image {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.solution-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.5));
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.solution-card:hover .solution-image:before {
    opacity: 1;
}

.solution-card:hover .solution-image img {
    transform: scale(1.08);
}

.solution-content {
    padding: 30px;
    position: relative;
}

.solution-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.solution-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    background: linear-gradient(to right, #0066cc, #0066cc);
    background-size: 0 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    padding-bottom: 2px;
}

.solution-title a:hover {
    color: #0066cc;
    background-size: 100% 2px;
}

.solution-categories {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.category-tag {
    display: inline-block;
    padding: 6px 15px;
    background: rgba(0,102,204,0.08);
    color: #0066cc;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-tag:hover {
    background: rgba(0,102,204,0.15);
    transform: translateY(-2px);
}

.solution-excerpt {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.7;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    color: #0066cc;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px 0;
}

.btn-more i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-more:hover {
    color: #004499;
}

.btn-more:hover i {
    transform: translateX(8px);
}

.no-solutions {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(145deg, #f8f9fa, #f1f3f5);
    border-radius: 20px;
    color: #666;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .solutions-archive .page-header {
        padding: 60px 0;
        margin-bottom: 50px;
    }

    .solutions-archive .page-title {
        font-size: 2.4rem;
    }

    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .solution-content {
        padding: 25px;
    }
}

@media (max-width: 767px) {
    .solutions-archive .page-header {
        padding: 40px 0;
        margin-bottom: 40px;
    }

    .solutions-archive .page-title {
        font-size: 2rem;
    }

    .solutions-archive .page-description {
        font-size: 1.1rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .solution-content {
        padding: 20px;
    }

    .solution-title {
        font-size: 1.4rem;
    }

    .category-tag {
        padding: 5px 12px;
    }
}

/* 解决方案详情页样式 */
.solution-single {
    margin-bottom: 60px;
}

/* 头部样式 */
.solution-header {
    background: linear-gradient(145deg, #0066cc, #004499);
    padding: 80px 0;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.solution-header:before {
    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="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>') center/80px repeat,
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%),
                linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.05) 75%);
    background-size: 80px 80px, 40px 40px, 40px 40px;
    background-position: 0 0, 0 0, 20px 20px;
    opacity: 0.3;
    animation: headerBgMove 30s linear infinite;
}

@keyframes headerBgMove {
    0% {
        background-position: 0 0, 0 0, 20px 20px;
    }
    100% {
        background-position: 80px 80px, 40px 40px, 60px 60px;
    }
}

.solution-header-content {
    position: relative;
    z-index: 1;
}

.solution-header .solution-categories {
    margin-bottom: 20px;
}

.solution-header .category-tag {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}

.solution-header .category-tag:hover {
    background: rgba(255,255,255,0.2);
}

.solution-header .solution-title {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 600;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.solution-header .solution-excerpt {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
}

/* CTA 样式 */
.solution-cta {
    position: relative;
    z-index: 1;
}

.solution-cta .cta-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.solution-cta h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #fff;
}

.solution-cta p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.solution-cta .btn {
    width: 100%;
    padding: 12px 30px;
    font-weight: 500;
    background: #fff;
    color: #0066cc;
    border: none;
    transition: all 0.3s ease;
}

.solution-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 技术图纸样式优化 */
.technical-drawing {
    position: relative;
    margin: 30px 0;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
}

.technical-drawing img {
    width: 100%;
    height: auto;
    display: block;
    transition: filter 0.3s ease;
}

.technical-drawing:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 1;
    transition: all 0.3s ease;
}

.technical-drawing .drawing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.technical-drawing .drawing-title {
    color: #0066cc;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.technical-drawing .drawing-text {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 20px;
    max-width: 400px;
}

.technical-drawing .btn-contact {
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 500;
    text-decoration: none;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.technical-drawing:hover:before {
    background: rgba(255, 255, 255, 0.98);
}

.technical-drawing:hover .btn-contact {
    transform: translateY(0);
    opacity: 1;
}

.technical-drawing .btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

@media (max-width: 767px) {
    .technical-drawing .drawing-title {
        font-size: 1.1rem;
    }
    
    .technical-drawing .drawing-text {
        font-size: 0.9rem;
    }
    
    .technical-drawing .btn-contact {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
}

/* 内容主体样式优化 */
.content-main {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    overflow: hidden;
}

.solution-body {
    padding: 40px;
}

.solution-body h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: #333;
    position: relative;
    padding-left: 20px;
}

.solution-body h2:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    background: linear-gradient(to bottom, #0066cc, #00ccff);
    border-radius: 2px;
}

.solution-body p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #666;
}

.solution-body ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.solution-body ul li {
    margin-bottom: 10px;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.solution-body ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #0066cc;
    border-radius: 50%;
}

/* 侧边栏样式优化 */
.solution-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-section {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sidebar-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,102,204,0.12);
}

/* 相关产品样式优化 */
.product-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 15px;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.product-item:hover {
    background: rgba(0,102,204,0.05);
    transform: translateX(5px);
}

.product-image {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-right: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.product-info h4 {
    font-size: 1.1rem;
    margin: 0;
}

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

.product-info h4 a:hover {
    color: #0066cc;
}

/* 技术优势列表样式优化 */
.advantage-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: #666;
}

.advantage-list li:before {
    content: '\2713';
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    background: linear-gradient(145deg, #0066cc, #00ccff);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 响应式优化 */
@media (max-width: 991px) {
    .solution-header {
        padding: 60px 0;
    }
    
    .solution-body {
        padding: 30px;
    }
    
    .technical-drawing:after {
        font-size: 1.1rem;
    }
}

@media (max-width: 767px) {
    .solution-header {
        padding: 40px 0;
    }
    
    .solution-body {
        padding: 20px;
    }
    
    .solution-body h2 {
        font-size: 1.6rem;
    }
    
    .technical-drawing:after {
        font-size: 1rem;
    }
    
    .sidebar-section {
        padding: 20px;
    }
}

/* 产品部分样式 */
.section-products {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-products .section-header {
    margin-bottom: 50px;
}

.section-products .section-title {
    font-size: 2.4rem;
    color: #333;
    margin-bottom: 0;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-products .section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    border-radius: 3px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,102,204,0.1);
}

.product-image {
    position: relative;
    display: block;
    padding-top: 66.67%; /* 3:2 比例 */
    overflow: hidden;
    text-decoration: none; /* 移除下划线 */
    background: #f8f9fa; /* 添加背景色 */
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block; /* 确保图片没有额外空间 */
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,102,204,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-decoration: none; /* 移除下划线 */
}

.btn-view {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 20px;
    border: 2px solid rgba(255,255,255,0.9);
    border-radius: 25px;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none; /* 防止按钮触发额外的点击事件 */
}

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

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

.product-item:hover .btn-view {
    transform: translateY(0);
}

.product-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

.product-title a:hover {
    color: #0066cc;
}

.product-category {
    margin-bottom: 12px;
    color: #666;
    font-size: 0.9rem;
}

.product-category a {
    color: #0066cc;
    text-decoration: none;
}

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

.product-excerpt {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
    flex-grow: 1;
}

.text-center.mt-5 {
    margin-top: 3rem !important;
}

.btn-outline-primary {
    display: inline-block;
    color: #0066cc;
    border: 2px solid #0066cc;
    padding: 12px 35px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-outline-primary:hover {
    background: #0066cc;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .section-products {
        padding: 60px 0;
    }

    .section-products .section-title {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .section-products {
        padding: 40px 0;
    }

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

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-content {
        padding: 15px;
    }

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

    .btn-outline-primary {
        padding: 10px 30px;
        font-size: 0.95rem;
    }
}

/* 确保图片容器内没有多余的空间 */
.product-image > * {
    margin: 0;
    padding: 0;
}

/* 关于我们页面样式优化 */
.page-about .page-header {
    background: linear-gradient(145deg, #0066cc, #004499);
    padding: 120px 0 180px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-bottom: -60px;
}

.page-about .page-header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-about .page-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}

.page-about .page-description {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 公司简介部分 */
.about-intro {
    padding: 120px 0;
    background: #fff;
    position: relative;
}

.intro-content {
    position: relative;
    padding-right: 50px;
}

.intro-content h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 35px;
    color: #333;
    line-height: 1.2;
    position: relative;
    padding-bottom: 20px;
}

.intro-content h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    border-radius: 2px;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #666;
}

.intro-text p {
    margin-bottom: 1.5rem;
}

.intro-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* 公司简介统计数字 */
.intro-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    flex: 1;
    padding: 0 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
}

/* 发展历程部分 */
.about-history {
    padding: 120px 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.history-timeline {
    position: relative;
    padding: 60px 0;
}

.timeline-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 40px;
    padding-bottom: 20px;
}

.timeline-item {
    scroll-snap-align: start;
    min-width: 300px;
}

/* 团队介绍部分 */
.about-team {
    padding: 120px 0;
    background: #fff;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-member {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.member-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 5px solid #0066cc;
}

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

.member-position {
    color: #0066cc;
    font-weight: 500;
    margin: 10px 0;
}

.member-bio {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}


/* 时间轴主线 */
.history-timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    transform: translateY(-50%);
}

/* 时间轴容器 */
.timeline-container {
    display: flex;
    overflow-x: auto;
    padding: 0 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.timeline-container::-webkit-scrollbar {
    height: 8px;
}

.timeline-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.timeline-container::-webkit-scrollbar-thumb {
    background: #0066cc;
    border-radius: 4px;
}

/* 时间点项目 */
.timeline-item {
    flex: 0 0 300px;
    margin-right: 40px;
    scroll-snap-align: start;
    position: relative;
    padding: 20px 0;
}

.timeline-item:last-child {
    margin-right: 0;
}

/* 时间点圆点 */
.timeline-item:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid #0066cc;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover:before {
    background: #0066cc;
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 0 0 4px rgba(0,102,204,0.2);
}

/* 时间年份 */
.timeline-year {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 1.1rem;
    white-space: nowrap;
    z-index: 2;
}

/* 内容区域 */
.timeline-content {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    margin-top: 80px;
    text-align: center;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 导航按钮 */
.timeline-nav {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 20px;
}

.timeline-nav button {
    background: #fff;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0066cc;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.timeline-nav button:hover {
    background: #0066cc;
    color: #fff;
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .timeline-item {
        flex: 0 0 280px;
    }
}

@media (max-width: 767px) {
    .timeline-item {
        flex: 0 0 260px;
        margin-right: 30px;
    }

    .timeline-content {
        padding: 20px;
        margin-top: 70px;
    }

    .timeline-year {
        font-size: 1rem;
        padding: 6px 16px;
    }
}

/* 企业文化部分 */
.about-culture {
    padding: 120px 0;
    background: #fff;
    position: relative;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.culture-item {
    text-align: center;
    padding: 50px 35px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.culture-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.culture-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(0,102,204,0.15);
}

.culture-item:hover:before {
    transform: scaleX(1);
}

.culture-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: linear-gradient(145deg, #0066cc, #004499);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2.5rem;
    transform: rotate(45deg);
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.culture-icon i {
    transform: rotate(-45deg);
}

.culture-item:hover .culture-icon {
    transform: rotate(225deg);
}

.culture-item h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.culture-item p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 0;
}

/* 荣誉资质部分 */
.about-certificates {
    padding: 120px 0;
    background: #f8f9fa;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.certificate-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.certificate-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,102,204,0.15);
}

.certificate-image {
    position: relative;
    padding-top: 140%;
    overflow: hidden;
}

.certificate-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.certificate-item:hover .certificate-image img {
    transform: scale(1.1);
}

.certificate-item h3 {
    padding: 20px;
    margin: 0;
    text-align: center;
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
}

/* 联系我们部分 */
.about-contact {
    padding: 120px 0;
    background: #fff;
}

.contact-wrapper {
    background: linear-gradient(145deg, #f8f9fa, #fff);
    border-radius: 30px;
    padding: 80px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.contact-wrapper:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.contact-wrapper h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
}

.contact-intro {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-info {
    margin-bottom: 40px;
}

.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: #666;
    font-size: 1.15rem;
}

.contact-info i {
    width: 45px;
    height: 45px;
    background: linear-gradient(145deg, #0066cc, #004499);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.contact-info p:hover i {
    transform: scale(1.1);
}

.contact-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

.contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* 响应式调整 */
@media (max-width: 1199px) {
    .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 991px) {
    .page-about .page-header {
        padding: 100px 0 160px;
    }

    .page-about .page-title {
        font-size: 3rem;
    }

    .about-intro,
    .about-history,
    .about-culture,
    .about-certificates,
    .about-contact {
        padding: 100px 0;
    }

    .intro-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-wrapper {
        padding: 60px;
    }
}

@media (max-width: 767px) {
    .page-about .page-header {
        padding: 80px 0 140px;
        margin-bottom: -40px;
    }

    .page-about .page-title {
        font-size: 2.5rem;
    }

    .page-about .page-description {
        font-size: 1.1rem;
    }

    .about-intro,
    .about-history,
    .about-culture,
    .about-certificates,
    .about-contact {
        padding: 80px 0;
    }

    .intro-content h2,
    .section-title {
        font-size: 2.2rem;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        width: 100%;
        padding-right: 0;
        padding-left: 30px;
    }

    .timeline-item:nth-child(even) {
        padding-left: 30px;
    }

    .history-timeline:before {
        left: 0;
        transform: none;
    }

    .timeline-item:before,
    .timeline-item:nth-child(even):before {
        left: -6px;
        right: auto;
    }

    .contact-wrapper {
        padding: 40px;
    }

    .contact-wrapper h2 {
        font-size: 2rem;
    }

    .contact-info i {
        width: 40px;
        height: 40px;
        margin-right: 15px;
    }
}

@media (max-width: 575px) {
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 产品网格布局 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

/* 产品卡片样式 */
.product-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

/* 产品图片容器 */
.product-image {
    position: relative;
    display: block;
    width: 100%;
    
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.product-item:hover .product-image img {
    transform: scale(1.1);
}

/* 产品遮罩层 */
.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,102,204,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.btn-view {
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    padding: 10px 25px;
    border: 2px solid #fff;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-view:hover {
    background: #fff;
    color: #0066cc;
}

/* 产品内容区域 */
.product-content {
    padding: 25px;
    background: #fff;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 15px;
    line-height: 1.4;
}

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

.product-title a:hover {
    color: #0066cc;
}

/* 产品分类 */
.product-category {
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.product-category a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-category a:hover {
    color: #0066cc;
}

/* 产品摘要 */
.product-excerpt {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 响应式调整 */
@media (max-width: 1199px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

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

/* 产品部分标题样式 */
.section-products {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.section-products .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 20px;
}

.section-products .section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #00ccff);
    border-radius: 2px;
}

/* 查看全部按钮 */
.btn-outline-primary {
    color: #0066cc;
    border: 2px solid #0066cc;
    padding: 12px 35px;
    font-weight: 500;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: #0066cc;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

/* 产品部分整体样式 */
.section-products {
    padding: 80px 0;
    background: #f7faff;
}

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

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title:after {
    content: '';
    position: absolute;
    left: -20px;
    right: -20px;
    bottom: 0;
    height: 12px;
    background: rgba(0, 102, 204, 0.1);
    z-index: -1;
}

/* 产品网格布局 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 0 auto;
    max-width: 1400px;
}

/* 产品卡片样式 */
.product-item {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 102, 204, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.1);
    border-color: transparent;
}

/* 产品图片容器 */
.product-image {
    position: relative;
    width: 100%;
    height: 240px; /* 固定高度 */
    overflow: hidden;
    background: #f8f9fa;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

/* 产品遮罩层 */
.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    transition: all 0.3s ease;
}

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

.btn-view {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.btn-view:hover {
    background: #fff;
    color: #0066cc;
}

/* 产品内容区域 */
.product-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 10px;
    line-height: 1.4;
}

.product-title a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title a:hover {
    color: #0066cc;
}

/* 产品分类 */
.product-category {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.product-category a {
    font-size: 0.85rem;
    color: #0066cc;
    background: rgba(0, 102, 204, 0.08);
    padding: 4px 12px;
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-category a:hover {
    background: #0066cc;
    color: #fff;
}

/* 产品摘要 */
.product-excerpt {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

/* 查看全部按钮 */
.products-footer {
    text-align: center;
    margin-top: 50px;
}

/* 响应式调整 */
@media (max-width: 1199px) {
    .section-products {
        padding: 60px 0;
    }
    
    .products-grid {
        gap: 20px;
    }
    
    .product-image {
        height: 220px;
    }
}

@media (max-width: 767px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .product-content {
        padding: 20px;
    }
    
    .product-title {
        font-size: 1.1rem;
    }
    
    .product-excerpt {
        font-size: 0.9rem;
    }
    
    .product-image {
        height: 200px;
    }
}