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

/* 基础样式 */
body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c5aa0;
    margin-bottom: 5px;
}

.nav-brand .tagline {
    font-size: 0.9rem;
    color: #666;
    font-weight: 300;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2c5aa0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2c5aa0;
    transition: width 0.3s ease;
}

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

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

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

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
}

.contact-info {
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact-info .phone,
.contact-info .email {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #666;
}

.contact-info i {
    color: #2c5aa0;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2c5aa0;
}

/* 主要内容区域 */
main {
    margin-top: 100px;
}

/* 首页横幅轮播 */
.hero-slider {
    position: relative;
    min-height: 600px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 600px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

/* 轮播控制按钮 */
.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
    pointer-events: none;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: #2c5aa0;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.slider-btn:hover {
    background: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.slider-btn:active {
    transform: scale(0.95);
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.indicator.active {
    background: #fff;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* 首页横幅（兼容旧代码） */
.hero {
    background: 
        linear-gradient(135deg, rgba(245, 247, 250, 0.9) 0%, rgba(195, 207, 226, 0.9) 100%),
        url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 80px 0;
    display: flex;
    align-items: center;
    min-height: 600px;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    color: #2c5aa0;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #2c5aa0;
    color: #fff;
}

.btn-primary:hover {
    background: #1e3d6f;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #2c5aa0;
    border: 2px solid #2c5aa0;
}

.btn-secondary:hover {
    background: #2c5aa0;
    color: #fff;
    transform: translateY(-2px);
}


/* 通用区域样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c5aa0;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    text-align: center;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 产品区域 */
.products {
    padding: 80px 0;
    background: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.product-image img {
    width: 500px;
    height: 500px;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 15px;
    line-height: 1.4;
}

.product-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.product-link:hover {
    gap: 12px;
}

/* 应用领域 */
.applications {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 水平滚动容器 */
.scroll-container {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.scroll-wrapper {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.scroll-wrapper::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.scroll-item {
    flex: 0 0 280px;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scroll-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.item-image {
    height: 180px;
    overflow: hidden;
}

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

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

.item-content {
    padding: 20px;
}

.item-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.item-content p {
    color: #666;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* 分页指示器 */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.pagination-dots {
    display: flex;
    gap: 12px;
    align-items: center;
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(44, 90, 160, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.pagination-dot:hover {
    background: rgba(44, 90, 160, 0.6);
    transform: scale(1.2);
}

.pagination-dot.active {
    background: #2c5aa0;
    transform: scale(1.3);
}

.pagination-dot.active::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid rgba(44, 90, 160, 0.3);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.about-text h2 {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.about-text h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
}

.about-tagline {
    font-size: 1.1rem;
    color: #2c5aa0;
    font-weight: 500;
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-content-text {
    color: #666;
    line-height: 1.8;
    font-size: 1rem;
}

.about-content-text p {
    margin-bottom: 15px;
}

.about-content-text h1,
.about-content-text h2,
.about-content-text h3,
.about-content-text h4 {
    color: #2c5aa0;
    margin-bottom: 15px;
    margin-top: 20px;
}

.about-content-text h1:first-child,
.about-content-text h2:first-child,
.about-content-text h3:first-child,
.about-content-text h4:first-child {
    margin-top: 0;
}

.about-content-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
}

.about-content-text ul,
.about-content-text ol {
    margin: 15px 0;
    padding-left: 30px;
}

.about-content-text li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.features-list {
    list-style: none;
    margin: 30px 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #666;
}

.features-list i {
    color: #2c5aa0;
    font-size: 0.9rem;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.2);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 质量保证 */
.quality {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 证书滚动容器 */
.certificate-scroll-container {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.certificate-scroll-wrapper {
    display: flex;
    gap: 25px;
    padding: 20px 0;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.certificate-scroll-wrapper::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.certificate-card {
    flex: 0 0 320px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.certificate-image {
    height: 300px;
    overflow: hidden;
    position: relative;
}

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

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

.certificate-content {
    padding: 25px;
    text-align: center;
}

.certificate-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 12px;
}

.certificate-content p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}


/* 博客区域 */
.blog {
    padding: 80px 0;
    background: #f8f9fa;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.blog-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.blog-item:hover {
    transform: translateY(-5px);
}

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

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

.blog-content {
    padding: 25px;
}

.blog-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-date {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 15px;
}

.blog-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.blog-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.blog-link:hover {
    gap: 12px;
}

/* 产品优势 */
.product-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.advantage-icon i {
    font-size: 2.2rem;
    color: #fff;
}

.advantage-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* 产品分类 */
.product-categories {
    padding: 60px 0;
    background: #f8f9fa;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 30px;
    border: 2px solid #e1e5e9;
    background: #fff;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1rem;
}

.tab-btn:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
}

.tab-btn.active {
    background: #2c5aa0;
    border-color: #2c5aa0;
    color: #fff;
}

/* 产品区域 */
.products-section {
    padding: 80px 0;
}

.products-section:nth-child(even) {
    background: #f8f9fa;
}

/* 联系我们CTA */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c5aa0 0%, #4a90e2 100%);
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content .btn {
    font-size: 1.1rem;
    padding: 15px 40px;
    background: #fff;
    color: #2c5aa0;
    border: 2px solid #fff;
}

.cta-content .btn:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* 联系我们 */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding: 25px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 450px;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.contact-details {
    flex: 1;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 8px;
    line-height: 1.3;
}

.contact-details p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
}

.contact-form h3 {
    font-size: 1.5rem;
    color: #2c5aa0;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #2c5aa0;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2c5aa0;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #2c5aa0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #4a90e2;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #ccc;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #2c5aa0;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .nav {
        display: none;
        width: 100%;
        order: 3;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu li {
        border-bottom: 1px solid #eee;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 0;
    }
    
    .contact-info {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-slider {
        min-height: 500px;
    }

    .slider-container {
        height: 500px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slider-indicators {
        bottom: 20px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    .hero {
        padding: 60px 0;
        background-attachment: scroll;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 0;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-item {
        margin-bottom: 25px;
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon i {
        font-size: 1.2rem;
    }
    
    .contact-details h3 {
        font-size: 1.1rem;
    }
    
    .contact-details p {
        font-size: 0.95rem;
    }
    
    .contact-cta {
        padding: 60px 0;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
    }
    
    .cta-content .btn {
        font-size: 1rem;
        padding: 12px 30px;
    }
    
    .product-categories {
        padding: 40px 0;
    }
    
    .category-tabs {
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .products-section {
        padding: 60px 0;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .advantage-item {
        padding: 30px 20px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    
    .advantage-icon i {
        font-size: 1.8rem;
    }
    
    .advantage-item h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .advantage-item p {
        font-size: 0.9rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 400px;
    }
    
    .product-image img {
        width: 400px;
        height: 400px;
    }
    
    .scroll-container {
        margin: 0 20px;
    }
    
    .scroll-item {
        flex: 0 0 250px;
    }
    
    .item-image {
        height: 150px;
    }
    
    .item-content {
        padding: 15px;
    }
    
    .item-content h3 {
        font-size: 1.1rem;
    }
    
    .item-content p {
        font-size: 0.85rem;
    }
    
    .pagination-container {
        margin-top: 20px;
    }
    
    .pagination-dot {
        width: 10px;
        height: 10px;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image img {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-image {
        height: 300px;
    }
    
    .product-image img {
        width: 300px;
        height: 300px;
    }
    
    .certificate-scroll-container {
        margin: 0 20px;
    }
    
    .certificate-card {
        flex: 0 0 280px;
    }
    
    .certificate-image {
        height: 250px;
    }
    
    .certificate-content {
        padding: 20px;
    }
    
    .certificate-content h3 {
        font-size: 1.2rem;
    }
    
    .certificate-content p {
        font-size: 0.9rem;
    }
    
    .contact-form {
        padding: 20px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 滚动效果 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2c5aa0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* 选中文本样式 */
::selection {
    background: #2c5aa0;
    color: #fff;
}

::-moz-selection {
    background: #2c5aa0;
    color: #fff;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #2c5aa0;
    text-decoration: none;
}

.breadcrumb span {
    color: #999;
}

/* 公司介绍样式 */
.company-intro {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.intro-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.intro-text {
    flex: 1;
    min-width: 300px;
}

.intro-text h2 {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 10px;
    font-weight: 700;
}

.intro-text h3 {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.intro-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 15px;
}

.intro-content-text {
    color: #333;
    line-height: 1.8;
    font-size: 1rem;
}

.intro-content-text p {
    margin-bottom: 15px;
    color: #666;
}

.intro-content-text h1,
.intro-content-text h2,
.intro-content-text h3,
.intro-content-text h4 {
    color: #2c5aa0;
    margin-bottom: 15px;
    margin-top: 20px;
}

.intro-content-text h1:first-child,
.intro-content-text h2:first-child,
.intro-content-text h3:first-child,
.intro-content-text h4:first-child {
    margin-top: 0;
}

.intro-content-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
}

.intro-content-text ul,
.intro-content-text ol {
    margin: 15px 0;
    padding-left: 30px;
}

.intro-content-text li {
    margin-bottom: 8px;
    line-height: 1.6;
    color: #666;
}

.intro-image {
    flex: 1;
    min-width: 300px;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.intro-image img:hover {
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-intro {
        padding: 60px 0;
    }
    
    .intro-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .intro-text h2 {
        font-size: 1.8rem;
    }
    
    .intro-text h3 {
        font-size: 1.2rem;
    }
}

/* 应用领域概述样式 */
.application-overview {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.application-item {
    background-color: #fff;
    border-radius: 12px;
    padding: 35px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e1e5e9;
    position: relative;
    overflow: hidden;
}

.application-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #2c5aa0, #3e76c7);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

.application-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: #2c5aa0;
}

.application-item:hover::before {
    transform: scaleY(1);
}

.application-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #2c5aa0 0%, #3e76c7 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: #fff;
    font-size: 2rem;
    transition: all 0.3s ease;
}

.application-item:hover .application-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(44, 90, 160, 0.3);
}

.application-item h3 {
    font-size: 1.4rem;
    color: #2c5aa0;
    margin-bottom: 15px;
    font-weight: 600;
}

.application-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.learn-more:hover {
    gap: 12px;
    color: #3e76c7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .application-overview {
        padding: 60px 0;
    }
    
    .applications-grid {
        gap: 20px;
    }
    
    .application-item {
        padding: 25px;
    }
    
    .application-icon {
        width: 80px;
        height: 80px;
        font-size: 1.8rem;
    }
    
    .application-item h3 {
        font-size: 1.3rem;
    }
}

/* 公司特色样式 */
.company-features {
    padding: 80px 0;
    background-color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    background-color: #f9f9f9;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e1e5e9;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: #2c5aa0;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0 0%, #3e76c7 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 1.8rem;
}

.feature-icon i {
    transition: transform 0.3s ease;
}

.feature-item:hover .feature-icon i {
    transform: scale(1.2);
}

.feature-item h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* 公司特色响应式设计 */
@media (max-width: 768px) {
    .company-features {
        padding: 60px 0;
    }
    
    .features-grid {
        gap: 20px;
        margin-top: 40px;
    }
    
    .feature-item {
        padding: 25px;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 1.5rem;
    }
    
    .feature-item h3 {
        font-size: 1.2rem;
    }
}

/* 分类标签页样式 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #e1e5e9;
    background: #fff;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
}

.tab-btn.active {
    background: #2c5aa0;
    border-color: #2c5aa0;
    color: #fff;
}

/* 产品标签样式 */
.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ff6b6b;
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-tag {
    background: #f0f7ff;
    color: #2c5aa0;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* 应用详情样式 */
.application-details {
    padding: 80px 0;
    background: #f8f9fa;
}

.detail-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.detail-tab-btn {
    padding: 12px 24px;
    border: 2px solid #e1e5e9;
    background: #fff;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.detail-tab-btn:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
}

.detail-tab-btn.active {
    background: #2c5aa0;
    border-color: #2c5aa0;
    color: #fff;
}

.detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.detail-panel {
    display: none;
}

.detail-panel.active {
    display: block;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.detail-text h3 {
    font-size: 1.8rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.detail-text p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    margin: 20px 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #666;
}

.feature-list i {
    color: #2c5aa0;
    font-size: 0.9rem;
}

.detail-text h4 {
    font-size: 1.2rem;
    color: #333;
    margin: 25px 0 15px;
}

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

.product-list li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
}

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

.detail-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.learn-more {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.learn-more:hover {
    gap: 12px;
}

/* 新闻分类样式 */
.news-categories {
    padding: 30px 0;
    background-color: #fff;
    border-bottom: 1px solid #e1e5e9;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: 2px solid #e1e5e9;
    border-radius: 25px;
    font-size: 0.95rem;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
}

.tab-btn.active {
    background-color: #2c5aa0;
    color: #fff;
    border-color: #2c5aa0;
}

/* 最新新闻区块样式 */
.latest-news {
    padding: 60px 0;
    background-color: #f8f9fa;
}

/* 新闻页面样式 */
.news-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.featured-news {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.featured-news .news-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

.news-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #2c5aa0;
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.featured-news h2 {
    font-size: 1.8rem;
    color: #2c5aa0;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #999;
}

.news-meta i {
    margin-right: 5px;
}

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

.read-more {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 12px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 15px;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
}

.news-item .news-image {
    width: 120px;
    height: 80px;
    flex-shrink: 0;
    overflow: hidden;
}

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

.news-item .news-content {
    padding: 15px;
    flex: 1;
}

.news-category-tag {
    background: #f0f7ff;
    color: #2c5aa0;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 8px;
}

.news-item h3 {
    font-size: 1rem;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-item .news-meta {
    margin-bottom: 8px;
}

.news-item .news-excerpt {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.4;
}

.news-category-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(44, 90, 160, 0.9);
    color: #fff;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 500;
}

.news-card {
    position: relative;
}

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

/* 下载页面样式 */
.download-section {
    padding: 60px 0;
}

.download-section:nth-child(even) {
    background: #f8f9fa;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.download-item {
    display: flex;
    gap: 20px;
    background: #fff;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.download-item:hover {
    transform: translateY(-5px);
}

.download-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.download-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.download-content {
    flex: 1;
}

.download-content h3 {
    font-size: 1.2rem;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.download-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #999;
}

.download-meta i {
    margin-right: 5px;
}

.download-desc {
    color: #666;
    line-height: 1.5;
    margin-bottom: 20px;
}

.download-btn {
    background: #2c5aa0;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.download-btn:hover {
    background: #1e3d6f;
}

/* FAQ页面样式 */
.faq-search {
    padding: 40px 0;
    background: #f8f9fa;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #2c5aa0;
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: #2c5aa0;
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #1e3d6f;
}

.faq-section {
    margin-bottom: 60px;
}

.faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
    flex: 1;
}

.faq-question i {
    color: #2c5aa0;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 20px 20px;
    color: #666;
    line-height: 1.6;
}

.faq-answer ul {
    margin: 15px 0;
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 8px;
}

.faq-answer strong {
    color: #2c5aa0;
}

.search-highlight {
    border: 2px solid #2c5aa0 !important;
}

/* 联系我们页面样式 */
.contact-info-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.contact-card .contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-card .contact-icon i {
    font-size: 2rem;
    color: #fff;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.contact-value {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 5px;
    font-weight: 500;
}

.contact-note {
    font-size: 0.9rem;
    color: #999;
    margin-top: 10px;
}

.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-form-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.form-intro h2 {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.form-intro p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.form-benefits {
    list-style: none;
    padding: 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: #666;
}

.benefit-item i {
    color: #2c5aa0;
    font-size: 0.9rem;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: #2c5aa0;
    text-decoration: none;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #2c5aa0;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    background: #1e3d6f;
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.map-section {
    padding: 80px 0;
}

.map-container {
    max-width: 1000px;
    margin: 0 auto;
}

.map-placeholder {
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 15px;
    padding: 60px 40px;
    text-align: center;
}

.map-placeholder i {
    font-size: 4rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.map-placeholder h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
}

.map-placeholder p {
    color: #666;
    margin-bottom: 30px;
}

.map-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.quick-contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.quick-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.quick-contact-item {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.quick-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.quick-icon i {
    font-size: 2rem;
    color: #fff;
}

.quick-contact-item h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.quick-contact-item p {
    color: #666;
    margin-bottom: 20px;
}

.qr-code {
    margin-top: 20px;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #f0f7ff;
    border: 2px dashed #2c5aa0;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.qr-placeholder i {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.qr-placeholder p {
    font-size: 0.8rem;
    color: #2c5aa0;
    margin: 0;
}

.common-inquiries {
    padding: 80px 0;
}

.inquiries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.inquiry-item {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.inquiry-item:hover {
    transform: translateY(-5px);
}

.inquiry-item h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.inquiry-item p {
    color: #666;
    margin-bottom: 20px;
}

.inquiry-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.inquiry-link:hover {
    gap: 12px;
}

/* 公司时间线样式 */
.company-timeline {
    padding: 80px 0;
    background: #f8f9fa;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #2c5aa0;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}

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

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

.timeline-year {
    width: 100px;
    height: 100px;
    background: #2c5aa0;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin: 0 30px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

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

/* 团队介绍样式 */
.team-intro {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid #f0f7ff;
}

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

.member-info h3 {
    font-size: 1.2rem;
    color: #2c5aa0;
    margin-bottom: 8px;
}

.member-title {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
    margin-bottom: 10px;
}

.member-desc {
    font-size: 0.9rem;
    color: #999;
    line-height: 1.4;
}

/* 企业文化样式 */
.company-culture {
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.culture-item {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.culture-icon i {
    font-size: 2rem;
    color: #fff;
}

.culture-item h3 {
    font-size: 1.3rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

/* 公司图片展示样式 */
.company-gallery {
    padding: 80px 0;
    background: #f8f9fa;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.gallery-overlay h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .news-layout {
        grid-template-columns: 1fr;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-form-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-year {
        position: absolute;
        left: 0;
        width: 60px;
        height: 60px;
        font-size: 1rem;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .map-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* 产品详情页面额外样式 */
.product-detail-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.product-detail-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: flex-start;
}

.product-detail-image {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

    .product-detail-image img {
        width: 100%;
        height: auto;
        border-radius: 4px;
    }

.product-detail-info {
    flex: 1;
    min-width: 300px;
}

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

    .product-highlights h3 {
        color: #2c5aa0;
        margin-bottom: 20px;
        font-size: 1.5rem;
    }

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

    .product-specifications h3 {
        color: #2c5aa0;
        margin-bottom: 20px;
        font-size: 1.5rem;
    }

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

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

    .specifications-table th {
        background-color: #f5f5f5;
        font-weight: 500;
        width: 40%;
    }

.application-details {
    padding: 60px 0;
    background-color: #fff;
}

    .application-details h3 {
        color: #2c5aa0;
        margin-bottom: 20px;
        font-size: 1.8rem;
        text-align: center;
    }

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.application-item {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

    .application-item i {
        font-size: 2.5rem;
        color: #2c5aa0;
        margin-bottom: 15px;
    }

    .application-item h4 {
        color: #333;
        margin-bottom: 10px;
        font-size: 1.2rem;
    }

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

.cta-section {
    background-color: #2c5aa0;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

    .cta-content h3 {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .cta-content p {
        font-size: 1.1rem;
        margin-bottom: 30px;
        opacity: 0.9;
    }

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .product-detail-content {
        gap: 20px;
    }

    .product-detail-image,
    .product-detail-info {
        min-width: 100%;
    }

    .product-highlights,
    .product-specifications {
        padding: 20px;
    }
}