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

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #f8f9fa;
}

/* 导航栏样式 */
.navbar {
    background: transparent;
    transition: all 0.3s ease;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 移动端导航菜单样式 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(34, 43, 50, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 8px;
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
    
    .navbar.scrolled .navbar-collapse {
        background: rgba(34, 43, 50, 0.98);
    }
}

/* 移动端导航链接样式 */
@media (max-width: 991.98px) {
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin: 0;
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 6px;
    }
    
    .navbar-search {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* 导航栏搜索框样式 */
.navbar-search .input-group {
    width: 250px;
}

.navbar-search .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 25px 0 0 25px;
    padding: 8px 15px;
}

.navbar-search .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.navbar-search .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    color: white;
}

.navbar-search .btn-outline-light {
    border-radius: 0 25px 25px 0;
    border-left: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
}

.navbar-search .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar.scrolled {
    background: #222B32;
    padding: 0.5rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: white !important;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 40px;
    width: auto;
    margin-right: 10px;
}

.brand-text {
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
    font-size: 1.5rem;
    text-decoration: none;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 400;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: #ffffff !important;
}

.nav-link.active {
    color: #ff6b35 !important;
    font-weight: 700;
}

.breadcrumb-item+.breadcrumb-item::before {
    float: left;
    color: #fff;
    content: var(--bs-breadcrumb-divider, "/");
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(rgba(25, 42, 86, 0.7), rgba(39, 60, 117, 0.7)), url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    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 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>') repeat;
    z-index: 1;
}

.hero-section .container-fluid {
    position: relative;
    z-index: 2;
    padding: 0 2rem;
}

.hero-content {
    padding: 0 2rem;
}

.hero-text-wrapper {
    max-width: 700px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
    line-height: 1.2;
}

.hero-title .highlight {
    color: #ff6b35;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
    line-height: 1.6;
}

.hero-buttons {
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons .btn {
    padding: 12px 30px;
    font-weight: 500;
    border-radius: 6px;
    text-transform: none;
}

.hero-buttons .btn-primary {
    background-color: #ff6b35;
    border-color: #ff6b35;
    color: white;
}

.hero-buttons .btn-primary:hover {
    background-color: #e55a2b;
    border-color: #e55a2b;
    transform: translateY(-2px);
}

.hero-buttons .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.8);
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons .btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
    transform: translateY(-2px);
}


/* 按钮样式 */
.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    border: none;
    border-radius: 6px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

/* 返回顶部按钮专用样式 */
.btn-back-to-top {
    background: linear-gradient(45deg, #ff6b35, #e55a2b);
    border: none;
    border-radius: 50% !important;
    padding: 0 !important;
    width: 50px !important;
    height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
    color: white !important;
}

.btn-back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.4);
    background: linear-gradient(45deg, #e55a2b, #ff6b35);
}

/* 新闻中心样式 */
.news-filter-tabs {
    margin-bottom: 2rem;
}

.news-filter-tabs .nav-pills .nav-link {
    background: transparent;
    border: 2px solid #e9ecef;
    color: #6c757d;
    margin: 0 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.news-filter-tabs .nav-pills .nav-link:hover {
    border-color: #ff6b35;
    color: #ff6b35;
    transform: translateY(-2px);
}

.news-filter-tabs .nav-pills .nav-link.active {
    background: linear-gradient(135deg, #ff6b35, #e55a2b);
    border-color: #ff6b35;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: none;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

.news-card:hover .news-image {
    transform: scale(1.1);
}

.news-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    z-index: 2;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: #6c757d;
    font-size: 0.875rem;
    font-weight: 500;
}

.news-content h5 {
    margin: 0.75rem 0 1rem;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.4;
}

.news-content p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more:hover {
    color: #e55a2b;
    transform: translateX(5px);
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

/* 分页样式 */
.pagination {
    margin-top: 3rem;
}

.pagination .page-link {
    border: 2px solid #e9ecef;
    color: #6c757d;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination .page-link:hover {
    border-color: #ff6b35;
    color: #ff6b35;
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #ff6b35, #e55a2b);
    border-color: #ff6b35;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.pagination .page-item.disabled .page-link {
    color: #adb5bd;
    border-color: #e9ecef;
    background-color: #f8f9fa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-filter-tabs .nav-pills .nav-link {
        margin: 0.25rem;
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .news-content {
        padding: 1rem;
    }
    
    .pagination .page-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* 新闻详情页样式 */
.news-header {
    border-bottom: 2px solid #f8f9fa;
    padding-bottom: 1.5rem;
}

.news-title {
    color: #2c3e50;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0;
}

.news-main-image {
    text-align: center;
}

.news-main-image img {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.news-main-image img:hover {
    transform: scale(1.02);
}

.news-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #495057;
}

.news-content .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: #6c757d;
    border-left: 4px solid #ff6b35;
    padding-left: 1.5rem;
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
}

.news-content h3 {
    color: #2c3e50;
    font-weight: 600;
    margin-top: 2.5rem;
}

.news-content ul {
    padding-left: 0;
}

.news-content ul li {
    list-style: none;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f3f4;
    position: relative;
    padding-left: 1.5rem;
}

.news-content ul li:before {
    content: "▶";
    color: #ff6b35;
    position: absolute;
    left: 0;
    top: 0.5rem;
}

.application-card {
    transition: all 0.3s ease;
    background: white;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #ff6b35 !important;
}

.application-card h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.application-card i {
    font-size: 2.5rem;
}

.advantage-item {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.advantage-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.advantage-item h6 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.news-actions {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.social-share .btn {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

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

/* 响应式设计 - 新闻详情 */
@media (max-width: 768px) {
    .news-title {
        font-size: 1.75rem;
    }
    
    .news-content {
        font-size: 1rem;
    }
    
    .news-content .lead {
        font-size: 1.1rem;
        padding: 1rem;
    }
    
    .advantage-item:hover {
        transform: none;
    }
    
    .news-actions {
        padding: 1.5rem;
    }
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    background: linear-gradient(45deg, #ee5a24, #ff6b6b);
}

.btn-outline-light {
    border: 2px solid white;
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: white;
    color: #4a90e2 !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* 章节标题样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #ff6b35;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* 通用样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    text-align: center;
    margin-bottom: 2rem;
}

.title-underline {
    width: 60px;
    height: 3px;
    background-color: #ff6b35;
    margin: 0 auto 3rem;
    border-radius: 2px;
}

/* 标题伪元素下划线 */
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #ff6b35;
    border-radius: 2px;
}

.section-title {
    position: relative;
}

/* 左对齐标题样式 */
.section-title-left {
    text-align: left !important;
}

.section-title-left::after {
    left: 0 !important;
    transform: none !important;
}

.section-title-left + .title-underline,
.title-underline-left {
    margin: 0 0 3rem 0;
}

/* 服务模块样式 */
.services-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.service-card {
    background: white;
    border-radius: 8px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
    position: relative;
    overflow: hidden;
}

.service-card.blue-card {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-card.blue-card:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1f5f8b 100%);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.service-icon i {
    font-size: 1.8rem;
    color: white;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.service-card h4 {
    color: white;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.service-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* 产品展示模块样式 */
.products-section {
    background-color: white;
    padding: 80px 0;
}

/* 产品轮播容器样式 */
.product-carousel-container {
    position: relative;
    margin: 0 auto;
    max-width: 100%;
    overflow: hidden;
}

.product-carousel {
    overflow: hidden;
    width: 100%;
}

.product-carousel-track {
    display: flex;
    transition: transform 0.3s ease-in-out;
    gap: 2rem;
    will-change: transform;
}

.product-slide {
    flex: 0 0 calc(25% - 1.5rem);
    min-width: 280px;
}

/* 轮播按钮样式 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.carousel-btn:hover {
    background: linear-gradient(135deg, #357abd 0%, #2c5aa0 100%);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.carousel-btn-prev {
    left: 10px;
}

.carousel-btn-next {
    right: 10px;
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #6c757d;
}

.carousel-btn:disabled:hover {
    transform: translateY(-50%);
    background: #6c757d;
}

/* 首页产品卡片链接样式 */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 200px;
    background-color: #f8f9fa;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 1.5rem;
}

.product-info h5 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.product-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 产品轮播响应式设计 */
@media (max-width: 1200px) {
    .product-slide {
        flex: 0 0 calc(33.333% - 1.33rem);
    }
}

@media (max-width: 768px) {
    .product-slide {
        flex: 0 0 calc(50% - 1rem);
        min-width: 250px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .carousel-btn-prev {
        left: 5px;
    }
    
    .carousel-btn-next {
        right: 5px;
    }
}

@media (max-width: 576px) {
    .product-slide {
        flex: 0 0 calc(100% - 0.5rem);
        min-width: 200px;
    }
    
    .product-carousel-track {
        gap: 1rem;
    }
}

/* 解决方案模块样式 */
.solutions-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

/* 解决方案页面样式 */
.solutions-banner {
    background: linear-gradient(rgba(25, 42, 86, 0.8), rgba(39, 60, 117, 0.8)), url('../images/solutions_banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
}

.solutions-banner .banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.solutions-banner .banner-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.solutions-banner .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

.solutions-banner .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.solutions-banner .breadcrumb-item a:hover {
    color: white;
}

.solutions-banner .breadcrumb-item.active {
    color: #ff6b35;
}

/* 解决方案详情页面样式 */
.solution-detail-section {
    background: white;
    padding: 80px 0;
}

.solution-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    border-radius: 15px;
    margin-bottom: 3rem;
    text-align: center;
}

.solution-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.solution-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.solution-features {
    margin: 3rem 0;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: transform 0.3s ease;
}

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

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h4 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.solution-applications {
    background: #f8f9fa;
    padding: 3rem 0;
    border-radius: 15px;
    margin: 3rem 0;
}

.application-item {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.application-item h5 {
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.application-item p {
    color: #666;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.solution-cta {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    margin-top: 3rem;
}

.text-purple {
    color: #6f42c1 !important;
}

.solution-cta h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.solution-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.solution-cta .btn {
    background: white;
    color: #ff6b35;
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.solution-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

/* Solution Cards Large */
.solution-card-large {
    width: 100%;
    height: 0;
    padding-bottom: 200%; /* 宽高比 1:2 */
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.solution-card-large:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Background Images for Different Categories */
.solution-card-large.industrial {
    background: url('../images/industrial.jpg') center/cover;
}

.solution-card-large.commercial {
    background: url('../images/retail.jpg') center/cover;
}

.solution-card-large.logistics {
    background: url('../images/logistics.jpg') center/cover;
}

.solution-card-large.agriculture {
    background: url('../images/livestock_farming.jpg') center/cover;
}

.solution-card-large.medical {
    background: url('../images/medical.jpg') center/cover;
}

.solution-card-large.research {
    background: url('../images/scientific_research.jpg') center/cover;
}

.solution-card-large.security {
    background: url('../images/security_monitoring.jpg') center/cover;
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.solution-card-large:hover .solution-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.solution-content {
    text-align: center;
    color: white;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.solution-icon-large {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white;
}

.solution-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: white;
    line-height: 1.2;
}

.solution-content p {
    font-size: 0.8rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.solution-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    align-self: center;
    font-size: 0.8rem;
}

.solution-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    transform: translateY(-2px);
}

/* Guide Card */
.solution-card-guide {
    width: 100%;
    height: 0;
    padding-bottom: 200%; /* 宽高比 1:2 */
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.solution-card-guide:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
}

.solution-guide-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.solution-card-guide:hover .solution-guide-content {
    background: rgba(0, 0, 0, 0.5);
}

.guide-icon {
    font-size: 60px;
    margin-bottom: 1rem;
    color: white;
    opacity: 0.8;
}

.solution-guide-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: white;
}

.solution-guide-content p {
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.guide-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
}

.guide-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solution-card-large,
    .solution-card-guide {
        padding-bottom: 180%; /* 移动端稍微调整比例 */
    }
    
    .solution-content {
        padding: 0.8rem;
    }
    
    .solution-icon-large {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }
    
    .solution-content h3 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .solution-content p {
        font-size: 0.75rem;
        line-height: 1.2;
        margin-bottom: 0.8rem;
    }
    
    .solution-btn,
    .guide-btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
}

/* 覆盖层 */
.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.3) 0%, rgba(53, 122, 189, 0.4) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: all 0.3s ease;
}

.solution-card-large:hover .solution-overlay {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.8) 0%, rgba(53, 122, 189, 0.9) 100%);
    align-items: center;
}

/* 内容样式 */
.solution-content {
    text-align: center;
    color: white;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.solution-content p,
.solution-content .solution-btn {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.solution-card-large:hover .solution-content p,
.solution-card-large:hover .solution-content .solution-btn {
    opacity: 1;
    transform: translateY(0);
}

.solution-icon-large {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.solution-icon-large i {
    font-size: 2rem;
    color: white;
}

.solution-content h3 {
    color: white;
    margin-bottom: 0.75rem;
    font-weight: 700;
    font-size: 1.3rem;
}

.solution-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.solution-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 2px solid white;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.solution-btn:hover {
    background: white;
    color: #4a90e2;
    text-decoration: none;
    transform: translateY(-2px);
}

/* 引导卡片样式 */
.solution-card-guide {
    height: 300px;
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #dee2e6;
}

.solution-card-guide:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(108, 117, 125, 0.3);
    border-color: #6c757d;
}

.solution-guide-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    color: white;
}

.guide-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.guide-icon i {
    font-size: 2rem;
    color: white;
}

.solution-card-guide:hover .guide-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.solution-guide-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.solution-guide-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    color: white;
}

.guide-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.guide-btn:hover {
    background: white;
    color: #495057;
    transform: translateY(-2px);
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solution-card-large {
        height: 250px;
    }
    
    .solution-content h3 {
        font-size: 1.3rem;
    }
    
    .solution-content p {
        font-size: 0.9rem;
    }
    
    .solution-icon-large {
        width: 60px;
        height: 60px;
    }
    
    .solution-icon-large i {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .solution-card-large {
        height: 200px;
    }
    
    .solution-content {
        padding: 1rem;
    }
    
    .solution-content h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .solution-content p {
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }
    
    .solution-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* 联系表单样式 */
.contact-section {
    background: linear-gradient(135deg, #2980b9 0%, #1f5f8b 100%);
    position: relative;
    padding: 80px 0;
    color: #fff;
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form .form-control {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    padding: 12px 15px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.contact-form .form-control:focus {
    background: white;
    border-color: #ff6b35;
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
    outline: none;
}

.contact-form .form-control::placeholder {
    color: #999;
}

.contact-form .btn-warning {
    background: #ff6b35;
    border-color: #ff6b35;
    color: white;
    font-weight: 600;
    padding: 12px 40px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.contact-form .btn-warning:hover {
    background: #e55a2b;
    border-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

/* 新闻模块样式 */
.news-section {
    background-color: white;
    padding: 80px 0;
}

.news-banner {
    background: linear-gradient(rgba(25, 42, 86, 0.8), rgba(39, 60, 117, 0.8)), url('../images/news_banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
}

.breadcrumb-item.active {
    color: #ff6b35;
}

.news-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.news-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 200px;
    background-color: #f8f9fa;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: #ff6b35;
    font-size: 0.85rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.5rem;
}

.news-content h5 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.read-more {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #e55a2b;
    text-decoration: none;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

/* 页脚样式 */
footer {
    background: #2c3e50;
    background: #222B32;
    background: #1A4C6D;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    border-bottom: 1px solid #34495e;
    border-bottom: 1px solid rgba(236,240,241, 0.15);
    padding-bottom: 2rem;
    margin-bottom: 1rem;
}

.footer-section h5 {
    color: #ecf0f1;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}
.footer-section h5.logobg{
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: #ff6b35;
}

.footer-section p {
    color: #bdc3c7;
    width: 80%;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    color: #95a5a6;
    font-size: 0.9rem;
}

.social-links a {
    color: #bdc3c7;
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #ff6b35;
    transform: translateY(-2px);
}

/* 发展战略样式 */
.strategy-section {
    background-color: #f8f9fa;
}

.strategy-content .strategy-item {
    transition: all 0.3s ease;
}

.strategy-content .strategy-item:hover {
    transform: translateX(10px);
}

.strategy-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.strategy-icon i {
    font-size: 1.2rem;
    color: white;
}

.strategy-item:hover .strategy-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.strategy-item h4 {
    color: #2c3e50;
    font-weight: 600;
}

.strategy-image {
    text-align: right;
}

.strategy-image img {
    transition: transform 0.3s ease;
    margin-left: auto;
    display: block;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .strategy-content {
        margin-bottom: 2rem;
    }
    
    .strategy-item:hover {
        transform: none;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-content {
        padding-left: 1rem;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card,
    .product-card,
    .solution-card,
    .news-card {
        margin-bottom: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
}

/* 公司banner样式 */
.company-banner {
    background: linear-gradient(to bottom, rgba(25, 42, 86, 0.9) 0%, rgba(25, 42, 86, 0.7) 20%, rgba(25, 42, 86, 0.4) 50%, rgba(25, 42, 86, 0.2) 100%), url('../images/company.jpg') center/cover no-repeat;
    min-height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.banner-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.banner-title {
    font-size: 3.0rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.7);
}

.banner-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}

.breadcrumb {
    background: none;
    margin-bottom: 0;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.company-banner .breadcrumb-item.active
{
    color: #ff6b35;
}

/* 页面标题样式（保留用于其他页面） */
.page-header-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
    color: white;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* 公司介绍样式 */
.company-intro-section .intro-content {
    margin-bottom: 3rem;
}

.company-intro-section .intro-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #666;
    font-size: 1.1rem;
}

.company-intro-section .intro-text .lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: #333;
    line-height: 1.6;
    text-align: justify;
}

.company-stats .stat-item {
    text-align: center;
    padding: 1rem;
}

.company-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ff6b35;
    margin-bottom: 0.5rem;
}

.company-stats .stat-label {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 企业文化样式 */
.culture-section .culture-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.culture-section .culture-card:hover {
    transform: translateY(-5px);
}

.culture-section .culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.culture-section .culture-icon i {
    font-size: 2rem;
    color: white;
}

.culture-section .culture-card h4 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.culture-section .culture-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 发展战略时间线样式 */
.strategy-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.strategy-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #3498db, #2980b9);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: flex-start;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    flex-shrink: 0;
}

.timeline-marker i {
    font-size: 1.8rem;
    color: white;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin: 0 2rem;
    flex: 1;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-right: 15px solid white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    content: '';
    position: absolute;
    right: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 15px solid white;
}

.timeline-content h4 {
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.3rem;
}

.strategy-points {
    display: grid;
    gap: 1rem;
}

.strategy-points .point {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: #555;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
    position: relative;
}

.strategy-points .point:hover {
    background: #e3f2fd;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .strategy-timeline::before {
        left: 35px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-marker {
        width: 50px;
        height: 50px;
        margin-left: 10px;
    }
    
    .timeline-marker i {
        font-size: 1.3rem;
    }
    
    .timeline-content {
        margin-left: 1.5rem;
        margin-right: 0;
    }
    
    .timeline-item:nth-child(even) .timeline-content::before,
    .timeline-item:nth-child(odd) .timeline-content::before {
        left: -15px;
        right: auto;
        border-right: 15px solid white;
        border-left: none;
    }
}

/* 产品页面样式 */
.products-banner {
    background: linear-gradient(rgba(25, 42, 86, 0.8), rgba(39, 60, 117, 0.8)), url('../images/product_banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
}

.products-banner .banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.products-banner .banner-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.products-banner .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

.products-banner .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.products-banner .breadcrumb-item a:hover {
    color: white;
}

.products-banner .breadcrumb-item.active {
    color: #ff6b35;
}

/* 产品详情页面样式 */
.product-detail-section {
    background: white;
}

/* 产品大图容器 - 1:0.8333宽高比 (6:5) */
.product-image-gallery .main-image {
    position: relative;
    width: 100%;
    padding-bottom: 83.33%; /* 1:0.8333 aspect ratio */
    background-color: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    overflow: hidden;
}

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

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

.thumbnail-img {
    width: 100%;
    height: 80px;
    object-fit: contain;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.thumbnail-img:hover,
.thumbnail-img.active {
    opacity: 1;
    border-color: #3498db;
    transform: scale(1.05);
}

.product-info-detail .product-category .badge {
    font-size: 0.9rem;
    padding: 8px 16px;
    color: #999999;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1.2;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
}

.product-specs-table .table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.product-specs-table .table td {
    padding: 12px 16px;
    border-color: #eee;
}

.product-specs-table .table .fw-bold {
    background-color: #f8f9fa;
    color: #2c3e50;
    width: 40%;
}

.product-actions {
    display: flex !important;
    gap: 1rem !important;
}

/* 产品详情页表格样式 */
.product-table-wrapper {
    width: 100%;
    margin-bottom: 2rem;
}

.product-table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border: 1px solid #b8d4d4;
}

.product-table-wrapper table th,
.product-table-wrapper table td {
    padding: 12px 15px;
    text-align: center;
    border: 1px solid #b8d4d4;
    font-size: 14px;
    line-height: 1.6;
}

.product-table-wrapper table th {
    background-color: #d4ebeb;
    color: #333;
    font-weight: 600;
}

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

.product-table-wrapper table tbody tr:hover {
    background-color: #f0f8f8;
}

/* 产品详情页右侧图片预览样式 */
.product-dimension-preview,
.product-wiring-preview,
.product-force-preview,
.product-certification-preview {
    border-top: 1px solid #e9ecef;
    padding-top: 1rem;
}

.product-dimension-preview h5,
.product-wiring-preview h5,
.product-force-preview h5,
.product-certification-preview h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
}

.dimension-preview-item img,
.wiring-preview-item img,
.force-preview-item img,
.certification-preview-item img {
    max-width: 100%;
    height: auto;
    background-color: #f8f9fa;
    padding: 10px;
    border: 1px solid #e9ecef;
}

.dimension-preview-item img:hover,
.wiring-preview-item img:hover,
.force-preview-item img:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.certification-preview-item img {
    max-width: 200px;
}

/* 搜索结果页样式 */
.search-form-inline .input-group {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.search-form-inline .form-control {
    border-right: none;
}

.search-form-inline .btn {
    border-left: none;
}

/* 搜索关键词高亮 */
mark {
    background-color: #fff3cd;
    color: #856404;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

/* 搜索建议样式 */
.search-suggestions {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.search-suggestions ul li {
    padding: 0.5rem 0;
}


.product-actions .btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.product-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* 产品标签页样式 */
.product-tabs .nav-tabs {
    border-bottom: 2px solid #eee;
    background-color: #384046;
    border-radius: 20px 20px 0 0;
}

.product-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-weight: 600;
    padding: 15px 25px;
    transition: all 0.3s ease;
}

.product-tabs .nav-link:hover {
    border-color: #3498db;
    color: #3498db;
}

.product-tabs .nav-link.active {
    background: transparent;
    border-color: #ff6b35;
    color: #3498db;
}

.tab-content {
    padding: 30px 0;
}

.application-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.application-card i {
    transition: transform 0.3s ease;
}

.application-card:hover i {
    transform: scale(1.1);
}

.solution-image-container img {
    max-height: 620px;
    width: auto;
    object-fit: cover;
    border-radius: 10px;
}

/* 相关产品推荐样式 */
.related-products-section {
    background: #f8f9fa;
}

.related-products-section .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.related-products-section .title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* 产品筛选样式 */
.product-filter-section {
    border-bottom: 1px solid #e9ecef;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.filter-btn {
    background: white;
    border: 2px solid #e9ecef;
    color: #666;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
}

.filter-btn:hover {
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-color: #3498db;
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

/* 产品列表卡片样式 */
.product-list-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-list-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
    background-color: #f8f9fa;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(25, 42, 86, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.product-actions {
    display: flex;
    gap: 0.5rem;
    flex-direction: row;
}

.product-actions .btn {
    border-radius: 20px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border: none;
}

.product-actions .btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
}

.product-actions .btn-outline-light {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.product-actions .btn-outline-light:hover {
    background: white;
    color: #333;
}

.product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.product-category {
    color: white;
    color: #999999;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    background: #f5f5f5;
    padding: 0.25rem 1.250rem;
    border-radius: 15px;
    border: 1px solid #999999;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
    width: fit-content;
}

.product-title {
    color: #333;
    font-weight: 600;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.4;
}

.product-description {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex: 1;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.spec-item {
    background: #f8f9fa;
    color: #555;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid #e9ecef;
}

/* 分页样式 */
.pagination {
    margin: 0;
}

.pagination .page-link {
    color: #666;
    border: 1px solid #e9ecef;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: #f8f9fa;
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-color: #3498db;
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.pagination .page-item.disabled .page-link {
    color: #ccc;
    background: #f8f9fa;
    border-color: #e9ecef;
}

/* 页脚样式 */
.footer {
    background: #1a2a56 !important;
}

.footer h5, .footer h6 {
    color: white;
    font-weight: 600;
}

.footer .text-light-50 {
    color: rgba(255, 255, 255, 0.7) !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer .text-light-50:hover {
    color: #ff6b35 !important;
}

.footer .social-links a {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.footer .social-links a:hover {
    color: #ff6b35 !important;
}

/* 响应式设计 */
@media (max-width: 575px) {
    .products-banner .banner-title {
        font-size: 2.2rem;
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .product-actions {
        flex-direction: row;
    }
    
    .product-actions .btn {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
    
    /* 手机端2列布局 */
    .product-grid .col-xl-3,
    .product-grid .col-lg-4,
    .product-grid .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 576px) and (max-width: 768px) {
    .products-banner .banner-title {
        font-size: 2.5rem;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 联系我们页面样式 */
.contact-banner {
    background: linear-gradient(rgba(25, 42, 86, 0.8), rgba(39, 60, 117, 0.8)), url('../images/contact_banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
}

.contact-info-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: none;
    height: 100%;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

.contact-info-card h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-info-card p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-form-section {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-form-detailed .form-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-form-detailed .form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.contact-form-detailed .form-control:focus {
    border-color: #ff6b35;
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.contact-form-detailed .form-check-input:checked {
    background-color: #ff6b35;
    border-color: #ff6b35;
}

.map-section {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.transport-guide {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.transport-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
}

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

.transport-item h6 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.quick-contact .btn {
    padding: 0.75rem 1rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.service-advantage {
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.service-advantage:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

.service-advantage h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-advantage p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 联系方式列表样式 */
.contact-info-list {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-item {
    padding: 15px 0;
    border-bottom: 1px solid #f1f3f4;
    transition: all 0.3s ease;
}

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

.contact-info-item:hover {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding-left: 10px;
    margin-left: -10px;
    margin-right: -10px;
}

.contact-icon-small {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-item h6 {
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-info-item p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 微信二维码样式 */
.wechat-qr {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.qr-code-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1aad19, #0d8912);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.qr-code-box i {
    font-size: 2rem;
    margin-bottom: 5px;
}

.qr-code-box small {
    font-size: 0.7rem;
    line-height: 1;
}

.wechat-qr h6 {
    color: #2c3e50;
    font-weight: 600;
}

.wechat-qr .fw-bold {
    color: #2c3e50;
    font-size: 0.95rem;
}

.wechat-qr small {
    color: #6c757d;
    font-size: 0.85rem;
}

/* 联系我们页面响应式设计 */
@media (max-width: 768px) {
    .contact-form-section,
    .map-section {
        padding: 1.5rem;
    }
    
    .contact-info-card {
        padding: 1.5rem 1rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .contact-icon-small {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .contact-info-list {
        padding: 15px;
    }
    
    .contact-info-item {
        padding: 10px 0;
    }
    
    .wechat-qr {
        padding: 15px;
    }
    
    .qr-code-box {
        width: 150px;
        height: 150px;
    }
    
    .qr-code-box i {
        font-size: 1.5rem;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .service-advantage {
        padding: 1.5rem 1rem;
        margin-bottom: 1.5rem;
    }
}

/* 解决方案图标显示样式 */
.solution-icon-display {
    display: inline-block;
}

/* 产品尺寸线稿图样式 */
.dimension-drawings-gallery {
    margin-bottom: 2rem;
}

.dimension-drawing-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: #fff;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.dimension-drawing-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.dimension-drawing-item a {
    display: block;
    position: relative;
}

.dimension-drawing-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
}

.dimension-drawing-item:hover img {
    opacity: 0.9;
}

/* 为尺寸线稿图添加放大镜提示效果 */
.dimension-drawing-item a::after {
    content: '\f00e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #fff;
    background-color: rgba(255, 107, 53, 0.8);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dimension-drawing-item:hover a::after {
    opacity: 1;
}

/* 响应式布局 */
@media (max-width: 767.98px) {
    .dimension-drawings-gallery .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .dimension-drawing-item {
        margin-bottom: 1rem;
    }
}

/* 产品信息右侧区域优化 */
.product-info-detail .product-summary {
    background-color: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #ff6b35;
    border-radius: 4px;
}

.product-applications-preview {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.product-applications-preview h5 {
    color: #ff6b35;
    font-weight: 600;
}

/* 产品操作按钮宽度 */
.product-action-btn {
    width: 48% !important;
    flex: 0 0 48% !important;
    text-align: center;
}

/* 响应式：移动端按钮全宽 */
@media (max-width: 575.98px) {
    .product-actions {
        flex-direction: column;
    }

    .product-action-btn {
        width: 100%;
    }
}
/* ============================================
   相关产品推荐样式
   ============================================ */
.related-products-section {
    background: #f8f9fa;
}

.related-products-section .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.related-products-section .title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* 相关产品卡片样式增强 */
.related-products-section .product-list-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.related-products-section .product-list-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.related-products-section .product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
    background-color: #f8f9fa;
}

.related-products-section .product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.related-products-section .product-list-card:hover .product-image {
    transform: scale(1.05);
}

.related-products-section .product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(25, 42, 86, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.related-products-section .product-list-card:hover .product-overlay {
    opacity: 1;
}

.related-products-section .product-actions {
    display: flex;
    gap: 0.5rem;
    flex-direction: row;
}

.related-products-section .product-actions .btn {
    border-radius: 20px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border: none;
}

.related-products-section .product-actions .btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
}

.related-products-section .product-actions .btn-outline-light {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.related-products-section .product-actions .btn-outline-light:hover {
    background: white;
    color: #333;
}

.related-products-section .product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.related-products-section .product-category {
    color: #999999;
    background: #f5f5f5;
    padding: 0.25rem 1.25rem;
    border-radius: 15px;
    border: 1px solid #999999;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
    width: fit-content;
}

.related-products-section .product-title {
    color: #333;
    font-weight: 600;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.4;
}

/* 响应式布局 */
@media (max-width: 991.98px) {
    .related-products-section .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 767.98px) {
    .related-products-section .product-actions {
        flex-direction: column;
        gap: 0.25rem;
    }

    .related-products-section .product-actions .btn {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
}


/* 产品详情页右侧信息区域标题样式 */
.product-info-detail .product-title {
    font-size: 1.75rem !important;
}

/* 相关产品推荐列表标题样式 */
.product-info .product-title.related-product-title {
    font-size: 1.1rem !important;
}

/* 移动端页脚分栏线 - 千弘主题使用白色 */
@media (max-width: 768px) {
    footer .row [class*="col-"] {
        border-top: 1px solid rgba(255, 255, 255, 0.3);
        padding-top: 1.5rem;
        margin-top: 1.5rem;
    }

    /* 第一个分栏不需要顶部边框 */
    footer .row [class*="col-"]:first-child {
        border-top: none;
        padding-top: 0;
        margin-top: 0;
    }
}

/* ========================================
   下载中心样式
   ======================================== */

/* 下载中心Banner */
.downloads-banner {
    background: linear-gradient(rgba(25, 42, 86, 0.8), rgba(39, 60, 117, 0.8)), url('../images/download_banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
}

.downloads-banner .banner-title {
    color: #fff;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.downloads-banner .banner-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.downloads-banner .breadcrumb {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    display: inline-flex;
}

.downloads-banner .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.downloads-banner .breadcrumb-item.active {
    color: #fff;
}

/* 下载分类筛选 */
.download-filter-section {
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
}

.download-filter-section .filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.download-filter-section .filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid #dee2e6;
    background: #fff;
    color: #495057;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.download-filter-section .filter-btn:hover {
    border-color: #007bff;
    color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

.download-filter-section .filter-btn.active {
    background: #007bff;
    border-color: #007bff;
    color: #fff;
}

/* 下载卡片 */
.download-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    height: 100%;
}

.download-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
    border-color: #007bff;
}

.download-card.featured {
    border: 2px solid #ffc107;
    background: linear-gradient(135deg, #fffbf0 0%, #fff 100%);
}

.download-card-body {
    height: 100%;
}

.download-icon {
    width: 80px;
    min-width: 80px;
    text-align: center;
}

.download-info {
    overflow: hidden;
}

.download-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.download-meta {
    margin-bottom: 0.5rem;
}

.download-meta .badge {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    font-weight: 500;
}

.download-excerpt {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.download-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.download-count {
    font-size: 0.9rem;
}

/* 下载详情页 */
.download-hero {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    padding: 40px 0 30px;
}

.download-hero .breadcrumb {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

.download-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.download-hero .breadcrumb-item.active {
    color: #fff;
}

.download-detail-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.download-icon-large {
    width: 100px;
    min-width: 100px;
    text-align: center;
}

.download-detail-section .download-title {
    font-size: 2rem;
    font-weight: 700;
    color: #212529;
    line-height: 1.3;
}

.download-action-bar {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.download-content h3,
.download-content h4 {
    color: #212529;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.download-content .content-wrapper {
    color: #495057;
    line-height: 1.8;
    font-size: 1rem;
}

.download-content .content-wrapper p {
    margin-bottom: 1rem;
}

.download-content .content-wrapper ul,
.download-content .content-wrapper ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.download-content .content-wrapper li {
    margin-bottom: 0.5rem;
}

.download-preview img {
    border: 1px solid #dee2e6;
}

/* 侧边栏 */
.sidebar-section {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #007bff;
}

.download-list-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: #212529;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.contact-info {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-info p {
    margin-bottom: 0.75rem;
    color: #495057;
}

/* 响应式 */
@media (max-width: 768px) {
    .downloads-banner .banner-title {
        font-size: 2rem;
    }

    .download-filter-section .filter-tabs {
        justify-content: flex-start;
    }

    .download-filter-section .filter-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }

    .download-icon {
        width: 60px;
        min-width: 60px;
    }

    .download-icon-large {
        width: 80px;
        min-width: 80px;
    }

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

    .download-action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .download-action-bar .btn {
        width: 100%;
    }

    .sidebar-section {
        margin-top: 2rem;
    }
}