/* 添加动画效果 */
.topbar{animation: fadeInDown 1s;
animation-delay: 0.1s}

.slider-section {
    animation: fadeIn 1s both;
    animation-delay: 0.5s;
}

.products-section {
    animation: bounceIn 1s both;
    animation-delay: 1s;
}

.customer-cases {
    animation: flipInX 1s both;
    animation-delay: 2s;
}

.about-company {
    animation: zoomIn 1s both;
    animation-delay: 3s;
}

.news-section {
    animation: slideInUp 1s both;
    animation-delay: 4s;
}

/* 确保动画执行后保持最终状态 */
.animate__animated {
    animation-fill-mode: both;
}
:root {
    --primary-color: #006ABB;
    --bg-color: #f5f5f5;
    --section-bg: #FFFFFF;
    --text-color: #333;
    --light-text: #777;
	--red-color: #e60012;
    --border-radius: 8px;
    --container-width: 80%;
}

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

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}
a {
    text-decoration: none;
}

ul {
  list-style-type: none;
}

.container {
    width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* 原有样式保持不变... */
/* Topbar 样式 */
.topbar {
    background-color: var(--primary-color);
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    z-index: 1000;
    color:var(--section-bg);
    margin-top: 0;
    position: relative;
	
}

.topbar a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.topbar a:hover {
    opacity: 0.8;
}

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

.topbar-left span {
    margin-right: 15px;
    display: inline-flex;
    align-items: center;
}

.topbar-left i {
    margin-right: 8px;
    font-size: 16px;
    width: 16px;
    text-align: center;
}



.icon-phone::before {
    content: "\f095"; /* Font Awesome phone icon */
}

.icon-email::before {
    content: "\f0e0"; /* Font Awesome envelope icon */
}

.icon-wechat::before {
    content: "\f1d7"; /* Font Awesome weixin icon */
}

.icon-address::before {
    content: "\f3c5"; /* Font Awesome map-marker icon */
}



.topbar-right {
    display: flex;
    align-items: center;
    gap: 25px;  /* 从15px增加到25px */
}

.wechat-dropdown, 
.whatsapp-dropdown,
.language-dropdown {
    position: relative;
    cursor: pointer;
}

.wechat-dropdown:hover .wechat-qrcode,
.whatsapp-dropdown:hover .whatsapp-qrcode,
.language-dropdown:hover ul,
.language-dropdown ul.show {
    display: block;
}

.wechat-qrcode, 
.whatsapp-qrcode {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    background: white;
    padding: 10px;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.wechat-qrcode img,
.whatsapp-qrcode img {
    width: 120px;
    height: auto;
    display: block;
}

.language-dropdown ul {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background: white;
    padding: 10px;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}


/* 多语言下拉样式 */
.language-dropdown {
    position: relative;
    margin-left: 15px;
}

.language-dropdown > span {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s;
}

.language-dropdown > span:hover {
    background: rgba(255,255,255,0.2);
}

.language-dropdown ul {
    min-width: 150px;
    list-style: none;
    padding: 10px 0;
    margin: 0;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.language-dropdown li a {
    color: var(--text-color);
    display: block;
    padding: 8px 20px;
    transition: all 0.3s;
}

.language-dropdown li a:hover {
    color: var(--primary-color);
    background: #f5f5f5;
}

.language-dropdown li a::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 14px;
    margin-right: 8px;
    background-size: cover;
    vertical-align: middle;
}

.language-dropdown li a[href="#"]::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 480"><path fill="#fff" d="M0 0h640v480H0z"/><path fill="#d00" d="M0 0h640v160H0z"/><path fill="#d00" d="M0 320h640v160H0z"/></svg>');
}

/* 导航栏固定效果 */


.main-nav.fixed {
    position: fixed;
    width: 100%;
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {transform: translateY(-100%);}
    to {transform: translateY(0);}
}

/* Header 样式 */
.header {
    background-color: var(--section-bg);
    padding: 25px 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    position: relative;
    z-index: 999;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
}

.logo img {
    height: 60px;
    transition: transform 0.3s;
}

.logo:hover img {
    transform: scale(1.05);
}

.header-slogan {
    position: relative;
    padding-left: 30px;
    text-align: left;
}

.header-slogan::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--red-color);
    border-radius: 2px;
}

.header-slogan b {
    display: block;
    font-size: 18px;
    color: var(--primary-color);
}

.header-slogan em {
    font-size: 14px;
    color: var(--light-text);
    font-style: normal;
}

.header-phone {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-phone span {
    display: block;
    font-size: 14px;
    color: var(--light-text);
}

.header-phone strong {
    display: block;
    font-size: 20px;
    color: var(--red-color);
    font-weight: bold;
}
.header-phone i {
    font-size: 24px;
    color: var(--red-color);
}

.header-phone div {
    text-align: left;
}


/* 导航菜单样式 */
.main-nav {
    background: linear-gradient(135deg, #fff 0%, #f5f5f5 100%);
    position: sticky;
    top: 0;
    z-index: 998;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
	
}

.main-nav.fixed {
    position: fixed;
    width: 100%;
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {transform: translateY(-100%);}
    to {transform: translateY(0);}
}

.nav-list {
    display: flex;
    list-style: none;
    justify-content: space-around;
}

.nav-list > li {
    position: relative;
    padding: 15px 0;
}

.nav-list a {
    color: var(--text-color);
    text-decoration: none;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: all 0.3s;
	
}

.nav-list a:hover, .nav-list li a.active{
   /* background-color: rgba(255,255,255,0.15);*/
   color: var(--section-bg) !important;
   background-color: var(--primary-color);
}


/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 100;
    padding: 0;
    list-style: none;
    margin-left: 0;
}

.dropdown-menu li {
    list-style-type: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu a {
    color: var(--text-color);
    display: block;
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.dropdown-menu a:hover {
    color: var(--primary-color) !important;
    background: #f9f9f9;
}


/* 响应式幻灯片样式 */
.responsive-slider {
    position: relative;
    width: 100%;
    margin: auto 0;
    overflow: hidden;
}

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

.slides {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.7);
    border: none;
    border-radius: 50%;
    color: #333;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255,255,255,0.9);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .slider-prev,
    .slider-next {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
}

/* 产品展示区样式 */
.products {
    background: var(--section-bg);
    padding: 40px 0;
    margin: 30px 0;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.product-container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .product-container {
        flex-direction: column;
    }
    
    .product-categories {
        width: 100%;
        order: 2;
        margin-top: 20px;
    }
}

.product-categories {
    width: 280px;
    background: #f9f9f9;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.category-item {
    margin-bottom: 15px;
}

.category-item > a {
    display: block;
    padding: 10px 15px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: bold;
    transition: all 0.3s;
}

.category-item > a:hover {
    background: #0d2c5a;
    transform: translateX(5px);
}

.sub-category {
    margin-top: 10px;
    padding-left: 15px;
    list-style: none;
}

.sub-category li {
    margin-bottom: 8px;
}

.sub-category a {
    display: block;
    padding: 8px 15px;
    color: var(--text-color);
    border-radius: var(--border-radius);
    transition: all 0.3s;
    text-decoration: none;
}

.sub-category a:hover {
    background: rgba(26,60,110,0.1);
    color: var(--primary-color);
    padding-left: 20px;
}

.category-item.active > a {
    background: var(--primary-color);
}

.product-showcase {
    flex: 1;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .product-card {
        margin-bottom: 15px;
    }
	.product-info h3{ font-size:14px;}
	.btn-product {  
    padding: 5px 10px !important;}   

}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
  
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s;
}

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

.product-info {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.product-info p {
    margin: 5px 0;
    font-size: 14px;
    color: var(--light-text);
}

.btn-product {
    display: inline-block;
    margin-top: auto;
    padding: 8px 15px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s;
}

.btn-product:hover {
    background:var(--red-color);
    transform: translateY(-2px);
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-size: 28px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

/* 移动端导航样式 */
.mobile-navbar {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.mobile-logo img {
    height: 40px;
}

.hamburger-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    background-color: white;
    padding: 15px 0;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.mobile-nav-list {
    list-style: none;
}

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

.mobile-nav-list a {
    display: block;
    padding: 10px 15px;
    color: var(--text-color);
    border-radius: 4px;
    transition: all 0.3s;
}

.mobile-nav-list a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .mobile-navbar {
        display: flex;
    }
    
    .nav-list {
        display: none;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .hamburger-btn.active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger-btn.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-btn.active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 1200px) {
    .header-slogan {
        padding: 0 20px;
    }
}

@media (max-width: 992px) {
    .container {
        width: 92%;
    }
    
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .header-slogan {
        margin: 20px 0;
        order: 3;
        width: 100%;
    }
    
    .header-phone {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: 0;
    gap: 15px;
    justify-self: flex-end;
}

.header-phone i {
    font-size: 60px;
    color: var(--primary-color);
}

.header-phone > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.header-phone span {
    font-size: 14px;
    color: var(--light-text);
}

.header-phone strong {
    font-size: 24px;
    color: var(--red-color);
    font-weight: bold;
}
}

/* 移动端样式优化 */
@media (max-width: 992px) {
    /* 在移动端隐藏Topbar和Header */
    .topbar,
    .header {
        display: none !important;
        visibility: hidden;
        height: 0;
        padding: 0;
        margin: 0;
        overflow: hidden;
    }
    
    /* 调整主导航的上边距 */
    .main-nav {
        margin-top: 0;
    }
}

/* 更小屏幕尺寸的优化 */
@media (max-width: 768px) {
    .topbar,
    .header {
        display: none !important;
    }
    
    /* 确保没有意外显示 */
    .topbar *,
    .header * {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .topbar {
        font-size: 11px;
    }
    
    .header-phone i {
        font-size: 18px;
    }
    
    .header-phone strong {
        font-size: 14px;
    }
}

/* 关于公司样式 */
.tab-content {

    
}

.tab-panel {
    display: none;
    height: 400px;
    overflow: hidden;
}

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

.image-slider {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
}

.image-slider-track {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.image-slide {
    width: 19%; /* 100% / 5 slides */
    height: auto;
    float:left;
	margin-left:11px;
	
}

.image-slide p {
    text-align: center;
    background: #f9f9f9;
    padding: 8px 0;
	font-size:16px;
}

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

@media (max-width: 768px) {
 .about-company{ padding-bottom:0px !important;}
 .tab-content { max-height:150px !important;}
 .image-slide{margin-left:2px;}  
 .image-slide p { font-size:12px;}
}

/*内页banner*/
.nei-banner {
    color: #fff;
    padding: 80px 0;
    text-align: center;
    animation: fadeIn 1s both;
}

.nei-banner h1 {
    font-size: 40px;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 1s ease;
}

.nei-banner p {
    font-size: 18px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.3s both;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .nei-banner {
        padding: 60px 20px;
    }
    
    .nei-banner h1 {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .nei-banner p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .nei-banner {
        padding: 40px 15px;
    }
    
    .nei-banner h1 {
        font-size: 24px;
    }
    
    .nei-banner p {
        font-size: 14px;
    }
}

/* 新闻动态样式 */
.news-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

@media (max-width: 768px) {
    .news-section {
        padding-top: 20px;
        margin-top: 0;
    }
}

.news-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.news-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.news-slide {
    display: flex;
    flex-wrap: nowrap;
    min-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
}

.news-card {
    flex: 0 0 calc(24.5%);
    margin: 0 15px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

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

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.news-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 123, 255, 0.9);
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    text-align: center;
    line-height: 1.2;
}

.news-date .day {
    display: block;
    font-size: 24px;
    font-weight: bold;
}

.news-date .month {
    display: block;
    font-size: 14px;
    text-transform: uppercase;
}

.news-content {
    padding: 25px;
}

.news-content h3 {
    margin: 0 0 15px;
    font-size: 18px;
    color: #333;
}

.news-content p {
    margin: 0 0 20px;
    color: #666;
    line-height: 1.6;
}

.btn-news {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s ease;
}

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

.news-more {
    text-align: center;
    margin-top: 40px;
}

.btn-more {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-more:hover {
    background: var(--primary-color);
    color: #fff;
}

.news-prev, .news-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.8);
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    cursor: pointer;
    z-index: 10;
    font-size: 16px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.news-prev:hover, .news-next:hover {
    background: var(--primary-color);
    color: #fff;
}

.news-prev {
    left: 15px;
}

.news-next {
    right: 15px;
}

@media (max-width: 992px) {
    .news-card {
        flex: 0 0 calc(50% - 30px);
    }
}

@media (max-width: 768px) {
    .news-card {
        flex: 0 0 calc(100%);
    }
    
    .news-prev, .news-next {
        display: none;
    }
}
.about-company {
    padding: 60px 0;
    background: white;
}

.about-top {
    display: flex;
    margin-bottom: 40px;
    gap: 30px;
}

.about-text {
    flex: 1;
    padding: 20px;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 24px;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-video {
    flex: 1;
}

.about-video video {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.tab-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.tab-item {
    padding: 12px 25px;
    cursor: pointer;
    color: var(--light-text);
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: bold;
}



.tab-panel {
    display: none;
}

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


@media (max-width: 992px) {
    .about-top {
        flex-direction: column;
    }
    
    .tab-item {
        padding: 10px 15px;
        font-size: 14px;
    }
    
   
}

@media (max-width: 576px) {
    .tab-nav {
        flex-wrap: wrap;
    }
    
    .tab-item {
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .image-slider {
        height: 200px;
    }
}

/* 客户案例样式 */
.customer-cases {
    padding: 20px 0;
    background-color: #f9f9f9;
}

.case-container {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    width: 100%;
}

.case-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.case-slide {
    display: flex;
    flex: 0 0 100%;
    justify-content: space-between;
    padding: 0 15px;
}

.case-item {
    flex: 0 0 23%;
    margin: 0 1%;
    text-align: center;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.case-item img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.case-item h3 {
    padding: 15px;
    font-size: 16px;
    color: var(--section-bg);
	background-color: var(--primary-color);
}

.case-prev, .case-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: white;
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    z-index: 10;
    font-size: 16px;
    color: var(--primary-color);
}

.case-prev {
    left: 0;
}

.case-next {
    right: 0;
}

@media (max-width: 992px) {
    .case-item {
        flex: 0 0 48%;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .case-item {
        flex: 0 0 100%;
    }
}

/* 底部基础样式 */
.footer {
    background-color: var(--primary-color);
    color: white; padding-top:50px;
   
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
	margin:0 auto;
}
.footer-col{ float:left;}

.footer-col{animation: fadeInLeft 0.5s forwards 0.5s;}
.footer-col:nth-child(1) { transition-delay: 0.1s; }
.footer-col:nth-child(2) { transition-delay: 0.3s; }
.footer-col:nth-child(3) { transition-delay: 0.5s; }
.footer-col:nth-child(4) { transition-delay: 0.7s; }


.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: white;
}

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

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

.footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: white;
}

.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: rgba(255,255,255,0.7);
}

.contact-info i {
    margin-right: 10px;
    font-size: 16px;
}

.footer-copyright {
    text-align: center;
    padding: 20px 0px;
	background-color:#0052a3;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #FFF;
    font-size: 14px;
}

.footer-copyright a{ 
    color: #FFF;  
}

@media (max-width: 768px) {
    .footer-content {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .footer-col {
        flex: 0 0 45%;
        margin-bottom: 20px;
        text-align: left;
    }
    
    /* 隐藏第三个footer-col */
    .footer-col:nth-child(3) {
        display: none;
    }
    
    /* 确保contact-info显示 */
    .footer-col.contact-info {
        display: block !important;
        flex: 0 0 100%;
    }
}

@media (max-width: 768px) {
    .topbar .container {
        flex-direction: column;
    }
    
    .topbar-left, .topbar-right {
        width: 100%;
        justify-content: center;
    }
    
    .topbar-left span {
        margin: 0 8px;
    }
	.product-categories{ 
	display:none;
	
	
	}
}

/* 文本友情链接样式 */
.text-links {
    padding: 30px 0;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.text-links h3 {
    text-align: center;
    margin-bottom:20px;
    color: var(--primary-color);
    font-size: 30px;
}

.link-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 0 auto;
}

.link-container a {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 20px;
    transition: all 0.3s;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.link-container a:hover {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .link-container {
        gap: 10px;
    }
    
    .link-container a {
        padding: 5px 10px;
        font-size: 14px;
    }
}