* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}
a{color:#00428e;}

/* 顶部导航 */
.header {
    background: transparent;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    transition: color 0.3s ease;
}

.header.scrolled .logo {
    color: #00428e;
}

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

.nav-menu li {
    margin-left: 30px;
}

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

.nav-menu a:hover {
    color: #fff;
    opacity: 0.8;
}

.header.scrolled .nav-menu a {
    color: #333;
}

.header.scrolled .nav-menu a:hover {
    color: #00428e;
    opacity: 1;
}

/* 英雄区 */
.hero {
    margin-top: 70px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://tpl-c82e512-pic15.websiteonline.cn/upload/luke-chesser-pJadQetzTkI-unsplash.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 100px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #00428e;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background 0.3s;
}

.btn:hover {
    background: #003366;
}

/* 企业介绍 */
.about-section {
    padding: 80px 20px;
    background: #f9f9f9;
}

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

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

.section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
}

.section-title p {
    color: #666;
    font-size: 16px;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    color: #00428e;
    margin-bottom: 20px;
}

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

.about-image {
    flex: 1;
}

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

/* 产品中心 */
.products-section {
    padding: 80px 20px;
}

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

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

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.product-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

/* 新闻资讯 */
.news-section {
    padding: 80px 20px;
    background: #f9f9f9;
}

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

.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.news-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.news-info {
    padding: 20px;
}

.news-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.news-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

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

/* 服务支持 */
.services-section {
    padding: 80px 20px;
    background: #00428e;
    color: #fff;
}

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

.service-item {
    text-align: center;
}

.service-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.service-item p {
    font-size: 14px;
    opacity: 0.9;
}

/* 联系我们 */
.contact-section {
    padding: 80px 20px;
}

.contact-content {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 24px;
    color: #00428e;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item img {
    width: 30px;
    margin-right: 15px;
}

.contact-form {
    flex: 1;
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
}

.contact-form h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 页脚 */
.footer {
    background: #222;
    color: #fff;
    padding: 60px 20px 30px;
}

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

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

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

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

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

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

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 30px;
    text-align: center;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .about-content,
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
}

/* 页面标题 */
.page-title {
    margin-top: 0;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/view/shiyanqicai/image/nybg.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 120px 20px;
    text-align: center;
}

.page-title h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-title p {
    font-size: 16px;
    opacity: 0.9;
}

/* 产品列表 */
.cases-area,
.news-area,
.products-area {
    padding: 60px 0;
}

.category-nav {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.category-nav h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}
.category-nav h3>a{font-size: 14px;color: #003366;float: right;}
.category-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.category-list li {
    margin-bottom: 10px;
}

.category-list a {
    text-decoration: none;
    color: #666;
    display: block;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s;
    border: 1px solid #ddd;
    background-color: #fff;
}

.category-list a:hover {
    background: #00428e;
    color: #fff;
    border-color: #00428e;
}

.category-list a.active {
    background: #00428e;
    color: #fff;
    border-color: #00428e;
}

.cases-list,
.news-list,
.products-list {
    width: 100%;
}

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

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

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

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

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.case-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

/* 新闻列表 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s;
}

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

.news-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

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

.news-content {
    padding: 20px;
}

.news-item h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
    line-height: 1.4;
}

.news-item h3 a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.news-item h3 a:hover {
    color: #00428e;
}

.news-meta {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
}

.news-summary {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.pagination a:hover {
    background: #00428e;
    color: #fff;
    border-color: #00428e;
}

.pagination .active {
    background: #00428e;
    color: #fff;
    border-color: #00428e;
}

/* 产品详情 */
.product-detail,
.case-detail,
.news-detail {
    padding: 60px 0;
}

.product-content,
.case-content,
.news-content {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 40px;
}

.product-content h2,
.case-content h2,
.news-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.product-images {
    width: 500px;
}

.main-image {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}

.thumbnails {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid #ddd;
    transition: border-color 0.3s;
}

.thumbnail:hover {
    border-color: #00428e;
}

.product-info {
    flex: 1;
}

.product-price {
    margin-bottom: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.price {
    font-size: 24px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 10px;
}

.market-price {
    font-size: 16px;
    color: #999;
    text-decoration: line-through;
}

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

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

.features-list {
    list-style: none;
}

.features-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.features-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #00428e;
    font-weight: bold;
}

/* 导航按钮 */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid #ddd;
}

.btn-secondary {
    background: #f9f9f9;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background: #e9e9e9;
}

/* 产品详情选项卡 */
.product-tabs {
    margin-top: 60px;
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 15px 30px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-bottom: none;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active {
    background: #fff;
    border-top: 3px solid #00428e;
    color: #00428e;
}

.tab-content {
    padding: 30px;
    background: #f9f9f9;
    border-radius: 0 0 8px 8px;
}

.tab-content h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.tab-content p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* 联系我们 */
.contact-area {
    padding: 60px 0;
}

.contact-info {
    flex: 1;
    background: #f9f9f9;
    border-radius: 8px;
    padding: 40px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

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

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #333;
}

.contact-item p {
    color: #666;
    font-size: 14px;
}

.contact-form {
    flex: 1;
    background: #f9f9f9;
    border-radius: 8px;
    padding: 40px;
}

/* 地图区域 */
.map-area {
    margin-top: 60px;
}

.map-container {
    height: 400px;
    background: #f9f9f9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    text-align: center;
    color: #666;
}

/* 案例详情 */
.case-images {
    margin-bottom: 40px;
}

.case-text {
    margin-bottom: 40px;
}

.case-text p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #666;
}

/* 新闻详情 */
.news-body {
    margin-bottom: 40px;
}

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

/* 子分类 */
.sub-category {
    margin-left: 20px;
    margin-top: 5px;
}

/* 按钮样式 */
button.btn {
    border: none;
    cursor: pointer;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .product-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-images {
        width: 100%;
    }
    
    .case-content,
    .news-content {
        padding: 20px;
    }
    
    .case-content h2,
    .news-content h2 {
        font-size: 24px;
    }
    
    .category-list {
        flex-direction: column;
        gap: 5px;
    }
    
    .category-list li {
        margin-bottom: 5px;
    }
    
    .category-list a {
        padding: 10px 15px;
    }
}

/* 侧栏导航 */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #333;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: #fff;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    z-index: 1100;
    transition: left 0.3s ease;
    padding: 20px;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ddd;
}

.sidebar-logo {
    font-size: 20px;
    font-weight: bold;
    color: #00428e;
}

.close-btn {
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 15px;
}

.sidebar-menu a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    display: block;
    padding: 10px;
    border-radius: 4px;
    transition: all 0.3s;
}

.sidebar-menu a:hover {
    background: #00428e;
    color: #fff;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1050;
    display: none;
}

.overlay.active {
    display: block;
}

/* 全屏轮播图 */
.full-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

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

.full-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.full-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.full-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}

.full-slide-content {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: #fff;
}

.full-slide-inner {
    max-width: 800px;
    padding: 20px;
}

.full-slide-inner h2 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 2px;
}

.full-slide-inner p {
    font-size: 20px;
    margin-bottom: 30px;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
}

.slide-btn {
    display: inline-block;
    padding: 15px 40px;
    background: #00428e;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
    transition: background 0.3s;
}

.slide-btn:hover {
    background: #003366;
}

.full-slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 20;
}

.full-slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.full-slider-dot.active {
    background: #fff;
    width: 35px;
    border-radius: 6px;
}

/* 我们的优势 */
.advantages-section {
    padding: 80px 20px;
    background-image: url('/view/shiyanqicai/image/ysbg.jpg');
}
.advantages-section .section-title h2{color: #fff;}
.advantages-section .section-title p{color: #ddd;}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.advantage-item {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: #00428e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

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

/* 工程案例 */
.cases-section {
    padding: 80px 20px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.case-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
	position:relative;
	&:hover .case-info {
		opacity: 1;
		
	}
}

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

.case-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.case-info {
	opacity: 0;
   padding: 0;
       position: absolute;
       width: 100%;
       height: 100%;
       background: rgba(0,0,0,.5);
       top: 0;
       left: 0;
	   display: flex;
	       flex-direction: column;
	       align-items: stretch;
		   transition: all .5s;
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
	text-align: center;
	margin: auto;
}

.case-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

/* 服务支持 */
.services-section {
    padding: 80px 20px;
    background: #00428e;
    color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.service-item {
    text-align: center;
}

.service-item img {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    padding: 15px;
}

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.service-item p {
    font-size: 14px;
    opacity: 0.9;
}

/* 侧边联系栏 */
.contact7 {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 999;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.hoverbtn {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    height: 100vh;
}

.contact7_txt {
    background-color: #333333;
    color: #fff;
    padding: 15px 10px;
    border-radius: 8px 0 0 8px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    z-index: 10;
}

.contact7_txt:hover {
    background-color: #333333;
}

.hoverimg {
    display: none;
}

.contact7_conter {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    background-color: #333333;
    border-radius: 8px 0 0 8px;
    padding: 20px;
    width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 5;
}

.hoverbtn:hover .contact7_conter {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.hoverbtn:hover .contact7_txt {
    transform: translateX(-250px);
}

.contact7_item {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #555555;
}

.contact7_item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

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

.flex_center {
    display: flex;
    align-items: center;
}

.flex_center_img_item {
    margin-right: 10px;
}

.flex_center_img {
    width: 20px;
    height: 20px;
}

.f1 {
    font-size: 14px;
    color: #cccccc;
}

.f2 {
    font-size: 14px;
    color: #ffffff;
    font-weight: 500;
}

.ph_num {
    color: #ffffff;
}

.kefuQQ {
    display: flex;
    flex-direction: column;
}

.kefuQQ a {
    text-decoration: none;
    color: #ffffff;
    margin-bottom: 5px;
}

.kefuQQ a:hover {
    color: #ffffff;
    opacity: 0.8;
}

.kefutxt {
    font-size: 12px;
}

.f3 {
    display: flex;
    align-items: center;
}

.f3_img {
    width: 100px;
    height: 100px;
}

.dytimerspan2 {
    color: #ffffff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .full-slider {
        height: 100vh;
    }
    
    .full-slide-inner h2 {
        font-size: 32px;
    }
    
    .full-slide-inner p {
        font-size: 16px;
    }
    
    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact7 {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        flex-direction: column;
        align-items: flex-end;
    }
    
    .hoverbtn {
        height: auto;
        flex-direction: column;
    }
    
    .contact7_txt {
        writing-mode: horizontal-tb;
        text-orientation: mixed;
        padding: 10px 15px;
        border-radius: 8px 8px 0 0;
    }
    
    .contact7_conter {
        right: 0;
        top: auto;
        bottom: 100%;
        width: 250%;
        height: 94vh;
        border-radius: 0;
        transform: translateY(100%);
    }
    
    .hoverbtn:hover .contact7_conter {
        transform: translateY(0);
    }
    
    .hoverbtn:hover .contact7_txt {
        transform: translateY(0);
    }
}