/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 彩虹移动动画 */
@keyframes rainbowMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 渐变移动动画 */
@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.logo-link:hover h2 {
    color: #3498db;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 修复dropdown-toggle的下划线位置 */
.dropdown-toggle::after {
    bottom: -5px;
    left: 0;
}

.nav-link.active {
    color: #3498db;
}

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

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: fixed;
    top: 70px !important;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 0.5rem 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

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

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

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-menu li:last-child a {
    border-bottom: none;
}

.dropdown-menu li a:hover {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    transform: translateX(5px);
}

/* 移动端下拉菜单样式 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        background: transparent;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
        margin-left: 1rem;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu li a {
        padding: 0.5rem 1rem;
        border-bottom: none;
        font-size: 0.9rem;
    }
    
    .dropdown-menu li a:hover {
        background: transparent;
        transform: none;
    }
    
    .dropdown-toggle i {
        transition: transform 0.3s ease;
    }
    
    .dropdown.active .dropdown-toggle i {
        transform: rotate(180deg);
    }
}

/* 语言切换按钮样式 */
.language-switch {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    min-width: 80px;
    text-align: center;
}

/* 移除所有hover和active效果 */

.language-switch:focus {
    outline: none;
}

/* 语言切换按钮focus状态 */
.language-switch:focus {
    outline: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页横幅 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    color: white;
    text-align: center;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    margin-top: 50px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.5), rgba(155, 89, 182, 0.5));
    z-index: 1;
}

/* 下滑引导提示样式 */
.scroll-indicator {
    position: relative;
    margin-top: 60px;
    text-align: center;
    color: white;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    opacity: 0.9;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.scroll-arrow {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* 下滑引导动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 产品中心 */
.products {
    padding: 50px 0 40px 0;
    background: white;
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2c3e50;
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.product-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

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

/* 产品图片样式 */
.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 1rem;
}

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

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

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

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

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.product-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-link:hover {
    color: #2980b9;
}

/* 核心价值观 */
.values {
    padding: 80px 0;
    background: white;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.value-item {
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

.value-item i {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.value-item h3 {
    font-size: 1.2rem;
    color: #2c3e50;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.about-text h3 {
    font-size: 1.5rem;
    color: #3498db;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.learn-more {
    display: inline-block;
    padding: 12px 25px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.learn-more:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* 案例展示 */
.cases {
    padding: 50px 0;
    background: white;
    position: relative;
}

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

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

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(52, 152, 219, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(52, 152, 219, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.section-subtitle {
    text-align: center;
    color: #555;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    margin-top: 0;
    line-height: 1.6;
    opacity: 0.9;
}

.cases .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.cases .section-subtitle {
    margin-bottom: 3rem;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

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

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

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

.case-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    margin: 0;
    color: #2c3e50;
    font-size: 1.2rem;
}

.case-content {
    padding: 0;
    margin: 0;
}

.case-content p {
    padding: 0 1.5rem;
    margin: 0 0 1rem;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

.case-link {
    display: block;
    padding: 0 1.5rem 1.5rem;
    color: #3498db;
    font-weight: 600;
    transition: color 0.3s ease;
    text-align: center;
}

/* 案例页面样式 */
.case-filter {
    padding: 2rem 0;
    background: #f8f9fa;
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 25px;
    padding: 0.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    flex: 1;
    max-width: 400px;
}

.search-box input {
    border: none;
    outline: none;
    padding: 0.5rem 1rem;
    flex: 1;
    font-size: 1rem;
}

.search-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #2980b9;
}

.filter-group {
    display: flex;
    align-items: center;
}

.filter-group label {
    font-weight: 600;
    color: #2c3e50;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    font-size: 1rem;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}

.page-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: #2980b9;
    transform: translateY(-2px);
}

.page-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-number {
    background: white;
    color: #2c3e50;
    border: 1px solid #ddd;
    padding: 0.75rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-number:hover {
    background: #f8f9fa;
    border-color: #3498db;
}

.page-number.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* 案例标签样式 */
.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

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

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-tag {
    background: #3498db;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* .filter-controls {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .filter-group {
        display: flex;
        align-items: center;
        gap: 0.3rem;
        justify-content: flex-start;
        flex-wrap: nowrap;
        flex-shrink: 0;
        width: 100%;
    }
    
    .filter-group label {
        white-space: nowrap;
        flex-shrink: 0;
        font-size: 0.85rem;
        width: 33.33%;
        min-width: 60px;
    }
    
    .filter-group select {
        flex: 0 0 66.67%;
        width: 66.67% !important;
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }
    
    .search-box {
        max-width: none;
        flex: 1;
        min-width: 200px;
    } */
    
    .pagination {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .page-numbers {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
}

/* 新闻动态 */
.news {
    padding: 50px 0;
    background: #f8f9fa;
    position: relative;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.news::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.news::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(231, 76, 60, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(231, 76, 60, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card .news-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.news-card .news-link:hover {
    transform: translateY(-2px);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 新闻图片样式 */
.news-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 1rem;
}

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

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

.news-date {
    color: #3498db;
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.4;
}



.news .section-title {
    margin-bottom: 1rem;
}

.news .section-subtitle {
    margin-bottom: 3rem;
    margin-top: 20px;
}

.news-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #2980b9;
}

/* 联系我们 */
.contact {
    padding: 60px 0 80px 0;
    background: white;
}

.contact .section-title {
    margin-bottom: 3rem;
    text-align: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* 单列联系内容布局 */
.contact-content-single {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 水平排列的联系信息 */
.contact-info-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-item-horizontal {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-item-horizontal:hover {
    background: #e9ecef;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.contact-item-horizontal .contact-icon {
    margin-bottom: 1rem;
}

.contact-item-horizontal .contact-icon i {
    font-size: 2rem;
    color: #3498db;
}

.contact-item-horizontal h3 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.contact-item-horizontal p {
    color: #666;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-info-horizontal {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-item-horizontal {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .contact-item-horizontal {
        padding: 1rem 0.75rem;
    }
    
    .contact-item-horizontal .contact-icon i {
        font-size: 1.5rem;
    }
    
    .contact-item-horizontal h3 {
        font-size: 1rem;
    }
    
    .contact-item-horizontal p {
        font-size: 0.85rem;
    }
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.contact-item i {
    font-size: 1.5rem;
    color: #3498db;
    margin-right: 1rem;
    margin-top: 0.2rem;
}

.contact-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    height: fit-content;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* 产品列表页面 */
.products-list {
    padding: 80px 0 80px 0;
    background: #f8f9fa;
}

.products-list .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.products-list .product-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.products-list .product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.products-list .product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 1rem;
}

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

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

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

.products-list .product-icon i {
    font-size: 2rem;
    color: white;
}

.products-list .product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.products-list .product-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.products-list .product-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.products-list .product-link:hover {
    color: #2980b9;
}

/* 页脚 */

.footer {
    background: #2c3e50;
    color: white;
    padding: 30px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #3498db;
}

/* Add extra spacing for the contact section - 已删除，避免对齐问题 */

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

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

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

.footer-section ul li a:hover {
    color: #3498db;
}

/* 页脚联系信息基础样式 */
.footer-section p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.5;
}

.footer-section p i {
    flex-shrink: 0;
    margin-top: 0.2rem;
    margin-right: 0.5rem;
    color: #3498db;
}

.footer-section p span {
    flex: 1;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* QR Code styling */
.qr-code {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.qr-code img:hover {
    transform: scale(1.05);
}

/* Center align the Follow Us section title */
.footer-section:has(.qr-code) h3 {
    text-align: center;
}

/* Two-column layout for product categories */
.footer-section:has([data-lang="footer_products_title"]) ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
}

/* 小屏模式下产品分类列表折叠功能 */
.footer-section:has([data-lang="footer_products_title"]) h3 {
    cursor: pointer;
    position: relative;
    -webkit-user-select: none;
    user-select: none;
    transition: color 0.3s ease;
}

.footer-section:has([data-lang="footer_products_title"]) h3:hover {
    color: #3498db;
}

/* 删除大屏幕的展开/折叠符号，只在小屏幕显示 */

/* 所有屏幕尺寸下产品分类标题都保持默认样式 */

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
    text-align: center;
    color: #bdc3c7;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 导航栏遮罩层 */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    
    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    .nav-menu li a:hover::after,
    .nav-menu li a.active::after {
        width: auto;
        left: 50%;
        transform: translateX(-50%);
    }

    .language-switch {
        margin: 0.5rem 0;
        width: 120px;
        align-self: center;
    }

    .hero-content {
        padding: 2rem 20px;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
    
    .scroll-text {
        font-size: 0.8rem;
    }
    
    .scroll-arrow {
        font-size: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .products {
        padding: 40px 0 120px 0;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .products-list .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .products-list {
        padding: 10px 0 10px 0;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .cases {
        padding-top: 40px;
        padding-bottom: 30px;
    }
    
    .cases .container {
        padding: 20px 20px;
    }

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

    /* 隐藏category页面page-header中的描述段落 */
    .page-header p {
        display: none;
    }

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

 

    /* 小屏幕下页脚产品分类折叠功能 */
    .footer-section:nth-child(1) ul,
    .footer-section:nth-child(2) p {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        text-align: center;
        display: block !important;
    }
    
    .footer-section:nth-child(1) ul.expanded,
    .footer-section:nth-child(2) p.expanded {
        max-height: 300px;
        display: block !important;
    }
    
    /* 小屏幕下页脚统一样式 - 只针对折叠状态 */
    /* 小屏幕下页脚完全重写 - 确保对齐 */
    .footer-content {
        text-align: center;
        gap: 0.5rem;
    }
    
    .footer-section {
        text-align: center;
        margin-bottom: 0.5rem;
        width: 100%;
        box-sizing: border-box;
        padding: 0;
    }
    
    /* 直接让Contact Us居中 */
    .footer-section:nth-child(2) h3 {
        text-align: center !important;
        position: relative;
        padding: 0 30px;
        margin: 0 auto !important;
        width: 100%;
        box-sizing: border-box;
        cursor: pointer;
        line-height: 40px;
        height: 40px;
        font-size: 1.2rem;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 统一所有页脚H3的字体大小 */
    .footer-section:nth-child(1) h3 {
        font-size: 1.2rem;
        font-weight: bold;
    }
    
    .footer-section:nth-child(3) h3 {
        font-size: 1.2rem;
        font-weight: bold;
    }
    
    /* +号和×号样式 */
    .footer-section:nth-child(1) h3::after,
    .footer-section:nth-child(2) h3::after {
        content: '+';
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.2rem;
        font-weight: bold;
        transition: transform 0.3s ease;
        color: white;
        z-index: 10;
    }
    
    .footer-section:nth-child(1) h3.expanded::after,
    .footer-section:nth-child(2) h3.expanded::after {
        content: '×';
    }
    
    /* 所有内容元素完全一致 */
    .footer-section > ul,
    .footer-section > p,
    .footer-section > div {
        text-align: center;
        display: block;
        margin: 0;
        padding: 0;
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Follow Us section 与上面的距离 */
    .footer-section:nth-child(3) {
        margin-top: 0.1rem;
    }

    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }
    
    .section-subtitle {
        margin-bottom: 2rem;
        padding: 0 1rem;
    }

    .logo-img {
        height: 30px;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1.5rem 15px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .scroll-indicator {
        bottom: 15px;
    }
    
    .scroll-text {
        font-size: 0.7rem;
    }
    
    .scroll-arrow {
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .product-card {
        padding: 1.5rem;
    }
    
    .news-card {
        padding: 1.5rem;
    }
    
    .case-card {
        padding: 0;
    }
    
    .advantage-item {
        padding: 1.5rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .products-list .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .products-list {
        padding: 10px 0 10px 0;
    }

    .products-list .product-card {
        padding: 1.2rem;
    }

    .products-list .product-image {
        height: 180px;
    }

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

    .nav-container {
        padding: 0 15px;
    }

    .language-switch {
        font-size: 0.8rem;
        padding: 6px 12px;
        min-width: 70px;
    }

    .product-image {
        height: 180px;
    }

    .news-image {
        height: 120px;
    }
    
    /* 页脚媒体查询已注释 - 保持大屏幕样式
    .footer-section:nth-child(2) p {
        font-size: 0.8rem;
        justify-content: center !important;
        text-align: center !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 0.3rem;
        margin: 0 auto !important;
        max-width: 280px;
    }
    
    .footer-section:nth-child(2) p i {
        margin: 0 !important;
        align-self: center !important;
        font-size: 1.1rem;
    }
    
    .footer-section:nth-child(2) p span,
    .footer-section:nth-child(2) p .email-link {
        text-align: center !important;
        width: 100%;
        margin: 0;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
    }
    
    .footer-section:has([data-lang="footer_products_title"]) ul {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
    */
}

/* 超小屏幕适配 */
@media (max-width: 400px) {
    .products-list .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }

    .products-list .product-card {
        padding: 1rem;
    }

    .products-list .product-image {
        height: 160px;
    }

    .products-list .product-card h3 {
        font-size: 1.3rem;
    }

    .products-list .product-card p {
        font-size: 0.9rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

/* 产品详情页面样式 */
.page-header {
    background: linear-gradient(135deg, 
        #ff6b6b 0%, 
        #feca57 15%, 
        #48dbfb 30%, 
        #0abde3 45%, 
        #54a0ff 60%, 
        #5f27cd 75%, 
        #ff9ff3 90%, 
        #ff6b6b 100%);
    background-size: 400% 400%;
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 107, 107, 0.1) 0%, 
        rgba(254, 202, 87, 0.1) 15%, 
        rgba(72, 219, 251, 0.1) 30%, 
        rgba(10, 189, 227, 0.1) 45%, 
        rgba(84, 160, 255, 0.1) 60%, 
        rgba(95, 39, 205, 0.1) 75%, 
        rgba(255, 159, 243, 0.1) 90%, 
        rgba(255, 107, 107, 0.1) 100%);
    background-size: 400% 400%;
    animation: rainbowMove 8s ease-in-out infinite;
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
    padding-top: 90px; /* 为固定导航栏留出空间 */
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 3;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 3;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 确保category页面的page-header样式正确应用 */
.category-page .page-header {
    background: linear-gradient(135deg, 
        #ff6b6b 0%, 
        #feca57 15%, 
        #48dbfb 30%, 
        #0abde3 45%, 
        #54a0ff 60%, 
        #5f27cd 75%, 
        #ff9ff3 90%, 
        #ff6b6b 100%);
    background-size: 400% 400%;
}

.category-page .page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 107, 107, 0.1) 0%, 
        rgba(254, 202, 87, 0.1) 15%, 
        rgba(72, 219, 251, 0.1) 30%, 
        rgba(10, 189, 227, 0.1) 45%, 
        rgba(84, 160, 255, 0.1) 60%, 
        rgba(95, 39, 205, 0.1) 75%, 
        rgba(255, 159, 243, 0.1) 90%, 
        rgba(255, 107, 107, 0.1) 100%);
    background-size: 400% 400%;
    animation: rainbowMove 8s ease-in-out infinite;
    z-index: 1;
}

.product-detail {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-breadcrumb {
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.product-breadcrumb a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-breadcrumb a:hover {
    color: #2980b9;
}

.product-breadcrumb span {
    color: #6c757d;
    font-weight: 500;
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.product-main-image {
    margin-bottom: 1rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-thumbnails {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

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

.thumbnail.active {
    border-color: #3498db;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.product-info {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f8f9fa;
}

.product-header .product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.product-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.product-subtitle {
    color: #6c757d;
    font-size: 1.1rem;
    margin: 0;
}

.product-description,
.product-features,
.product-applications,
.product-specifications,
.product-contact {
    margin-bottom: 2rem;
}

.product-description h3,
.product-features h3,
.product-applications h3,
.product-specifications h3,
.product-contact h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.product-description p {
    color: #6c757d;
    line-height: 1.8;
    font-size: 1.1rem;
}

.product-features ul,
.product-applications ul {
    list-style: none;
    padding: 0;
}

.product-features li,
.product-applications li {
    padding: 0.5rem 0;
    color: #6c757d;
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before,
.product-applications li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.spec-table tr {
    border-bottom: 1px solid #e9ecef;
}

.spec-table td {
    padding: 1rem 0;
    color: #6c757d;
}

.spec-table td:first-child {
    font-weight: 600;
    color: #2c3e50;
    width: 40%;
}

.product-contact {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.contact-btn {
    display: inline-block;
    padding: 15px 30px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.contact-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

.related-products {
    padding: 80px 0;
    background: white;
}

.related-products h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2c3e50;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-gallery {
        position: static;
    }
    
    .product-main-image img {
        height: 300px;
    }
    
    .product-header {
        flex-direction: column;
        text-align: center;
    }
    
    .product-header h1 {
        font-size: 2rem;
    }
    
    .page-header {
        padding: 80px 0 40px; /* 减少小屏幕下的内边距 */
    }
    
    .page-header .container {
        padding-top: 70px; /* 小屏幕下减少顶部内边距 */
    }
    
    .related-products h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .product-info {
        padding: 1.5rem;
    }
    
    .product-header h1 {
        font-size: 1.8rem;
    }
    
    .product-main-image img {
        height: 250px;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .page-header {
        padding: 60px 0 30px; /* 进一步减少超小屏幕的内边距 */
    }
    
    .page-header .container {
        padding-top: 60px; /* 超小屏幕下进一步减少顶部内边距 */
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    /* .filter-group {
        gap: 0.2rem;
    }
    
    .filter-group label {
        font-size: 0.8rem;
        width: 35%;
        min-width: 50px;
    }
    
    .filter-group select {
        width: 65% !important;
        font-size: 0.8rem;
        padding: 0.25rem 0.4rem;
    }
    
    .search-box {
        min-width: 150px;
    } */
} 

/* About 页面样式 */
.about-hero {
    padding: 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: visible;
    margin-top: 70px;
    width: 100%;
    max-width: none;
    height: auto;
    display: block;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(52,152,219,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* 移除不需要的 about-hero-content 样式 */

.about-hero-text {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.3s forwards;
    z-index: 3;
    background: rgba(52, 152, 219, 0.9);
    padding: 0;
    border-radius: 0;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);

    width: 100%;
    height: 100%;
    max-width: none;
    margin: 0;
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    transform: none;
    pointer-events: none;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.about-hero-text h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #ffffff;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.6s forwards;
    text-align: center;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
}

.about-hero-text .highlight {
    color: #ffeb3b;
    position: relative;
    display: inline-block;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.7);
    font-weight: 800;
}

.about-hero-text .highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
    transform: scaleX(0);
    animation: expandWidth 1s ease-out 1.2s forwards;
}

@keyframes expandWidth {
    to {
        transform: scaleX(1);
    }
}

.about-hero-text p {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #ffffff;
    margin-bottom: 0;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.9s forwards;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    max-width: 60%;
}

.about-hero-image {
    position: static;
    width: 100%;
    height: auto;
    z-index: 1;
    display: block;
    line-height: 0;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.about-hero-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.5s ease;
    display: block;
    z-index: 1;
    vertical-align: top;
    margin: 0;
    padding: 0;
}

/* 移除图片::before伪元素，避免干扰布局 */

/* 移除图片hover效果，避免干扰文字模块定位 */

/* 移除相关hover样式 */

/* 添加浮动元素动画 */
.about-hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, #3498db, #2980b9);
    border-radius: 50%;
    opacity: 0.1;
    animation: floatElement 6s ease-in-out infinite;
}

.about-hero::before {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 5%;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    border-radius: 50%;
    opacity: 0.1;
    animation: floatElement 8s ease-in-out infinite reverse;
}

@keyframes floatElement {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 0.1;
    }
    50% { 
        transform: translateY(-30px) rotate(180deg); 
        opacity: 0.2;
    }
}

/* 文字渐入动画 */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 公司历史时间线 */
.company-history {
    padding: 100px 0;
    background: white;
}

.company-history h2 {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    transform: translateX(-50%);
    animation: expandHeight 2s ease-out 0.5s forwards;
    transform-origin: top;
}

@keyframes expandHeight {
    from { transform: translateX(-50%) scaleY(0); }
    to { transform: translateX(-50%) scaleY(1); }
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
}

.timeline-item:nth-child(1) { animation: fadeInUp 1s ease-out 1s forwards; }
.timeline-item:nth-child(2) { animation: fadeInUp 1s ease-out 1.3s forwards; }
.timeline-item:nth-child(3) { animation: fadeInUp 1s ease-out 1.6s forwards; }
.timeline-item:nth-child(4) { animation: fadeInUp 1s ease-out 1.9s forwards; }
.timeline-item:nth-child(5) { animation: fadeInUp 1s ease-out 2.2s forwards; }
.timeline-item:nth-child(6) { animation: fadeInUp 1s ease-out 2.5s forwards; }
.timeline-item:nth-child(7) { animation: fadeInUp 1s ease-out 2.8s forwards; }
.timeline-item:nth-child(8) { animation: fadeInUp 1s ease-out 3.1s forwards; }
.timeline-item:nth-child(9) { animation: fadeInUp 1s ease-out 3.4s forwards; }
.timeline-item:nth-child(10) { animation: fadeInUp 1s ease-out 3.7s forwards; }

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

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

.timeline-year {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
}

.timeline-year:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.4);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 0 2rem;
    flex: 1;
    max-width: 300px;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.timeline-content h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 使命愿景 */
.mission-vision {
    padding: 100px 0;
    background: #f8f9fa;
}

.mission-vision h2 {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.mission-card,
.vision-card,
.values-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(50px);
}

.mission-card:nth-child(1) { animation: fadeInUp 1s ease-out 0.6s forwards; }
.mission-card:nth-child(2) { animation: fadeInUp 1s ease-out 0.9s forwards; }

.mission-card:hover,
.vision-card:hover,
.values-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.mission-icon,
.vision-icon,
.values-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.mission-icon i,
.vision-icon i,
.values-icon i {
    font-size: 2rem;
    color: white;
}

.mission-card h3,
.vision-card h3,
.values-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.mission-card p,
.vision-card p,
.values-card p {
    color: #666;
    line-height: 1.6;
}

/* 核心优势 */
.core-advantages {
    padding: 100px 0;
    background: white;
}

/* 为什么选择我们 */
.advantages {
    padding: 40px 0;
    background: #f8f9fa;
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.advantages::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.advantages .section-title {
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.advantages .section-title::after,
.products .section-title::after,
.cases .section-title::after,
.news .section-title::after,
.contact .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 4px;
    background: linear-gradient(135deg, #3498db, #2980b9, #5dade2, #3498db);
    background-size: 300% 100%;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
    animation: gradientMove 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.advantages .section-title:hover::after,
.products .section-title:hover::after,
.cases .section-title:hover::after,
.news .section-title:hover::after,
.contact .section-title:hover::after {
    transform: translateX(-50%) scaleX(1.1);
    box-shadow: 0 4px 16px rgba(52, 152, 219, 0.5);
    animation: gradientMove 1.5s ease-in-out infinite;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

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

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

.advantage-item h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 团队介绍 */
.team-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.team-section h2 {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.team-section .section-subtitle {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.45s forwards;
    margin-top: 0;
    margin-bottom: 2rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.team-member {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(50px);
    position: relative;
    aspect-ratio: 3/4;
}

.team-member:nth-child(1) { animation: fadeInUp 1s ease-out 0.6s forwards; }
.team-member:nth-child(2) { animation: fadeInUp 1s ease-out 0.9s forwards; }
.team-member:nth-child(3) { animation: fadeInUp 1s ease-out 1.2s forwards; }

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.member-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

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

.team-member:hover .member-image img {
    transform: scale(1.1);
}

.team-member h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 600;
    position: relative;
    z-index: 2;
    padding: 0 0 0.5rem;
}

.member-position {
    color: #3498db;
    font-weight: 600;
    margin: 0 0 0.5rem;
    position: relative;
    z-index: 2;
}

.member-desc {
    color: #666;
    line-height: 1.6;
    margin: 0;
    position: relative;
    z-index: 2;
}

/* 团队成员信息覆盖层 */
.team-member-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.7);
    padding: 1rem 1.5rem 1.5rem;
    z-index: 2;
    height: 120px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-hero-content {
        height: auto;
        min-height: auto;
        padding: 20px;
    }
    
    .about-hero-text {
        padding: 2rem;
        width: 100%;
        height: auto;
        max-width: none;
        margin: 0;
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        transform: none;
        border-radius: 0;
    }
    
    .about-hero-text h2 {
        font-size: 1.8rem;
        text-align: center;
        line-height: 1.3;
        margin-bottom: 1.5rem;
    }
    
    .about-hero-text p {
        display: none;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
    }
    
    .timeline-year {
        position: absolute;
        left: -30px;
        top: 0;
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .timeline-content {
        margin: 0;
        max-width: none;
        width: 100%;
    }
    
    .mission-vision {
        padding: 30px 0;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages {
        margin-bottom: 60px;
    }
    
    .company-history {
        padding-top: 30px;
        padding-bottom: 30px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-hero-text {
        padding: 1.5rem;
    }
    
    .about-hero-text h2 {
        font-size: 1.5rem;
        line-height: 1.4;
        margin-bottom: 1rem;
    }
    
    .about-hero-text p {
        display: none;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline-year {
        left: -25px;
        padding: 0.3rem 0.8rem;
        font-size: 0.9rem;
    }
} 

/* Body Colour 产品页面样式 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

/* 页面头部中的面包屑样式 */
.page-header .breadcrumb {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.page-header .breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-header .breadcrumb a:hover {
    color: white;
}

.page-header .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.7);
}

.page-header .breadcrumb [data-lang="news_breadcrumb_detail"] {
    color: rgba(255, 255, 255, 0.8) !important;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #2980b9;
}

.breadcrumb .separator {
    color: #999;
}

/* 确保JavaScript语言切换后的文本能够正确显示 */
.breadcrumb [data-lang] {
    content: none !important;
}

.breadcrumb [data-lang]::before,
.breadcrumb [data-lang]::after {
    content: none !important;
}

/* 强制显示文本内容，覆盖所有可能的CSS干扰 */
.breadcrumb [data-lang="news_breadcrumb_detail"] {
    content: none !important;
}

.breadcrumb [data-lang="news_breadcrumb_detail"]::before,
.breadcrumb [data-lang="news_breadcrumb_detail"]::after {
    content: none !important;
}

/* 确保文本内容可见 */
.breadcrumb [data-lang="news_breadcrumb_detail"] {
    color: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    text-decoration: none !important;
}

/* 产品筛选 */
.product-filter {
    padding: 1rem 0;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}   

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
}

.filter-group label {
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
    font-size: 0.9rem;
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* 产品表格 */
.product-table-section {
    padding: 3rem 0;
    background: white;
}

.table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 100%;
}

.product-table {
    width: 100%;
    min-width: 1000px;
    border-collapse: collapse;
    background: white;
    table-layout: fixed;
}

.product-table th {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    border: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: keep-all;
    word-wrap: normal;
}

.product-table th:first-child {
    border-top-left-radius: 10px;
    width: 120px;
}

.product-table th:nth-child(2) {
    width: 100px;
}

.product-table th:nth-child(3) {
    width: 120px;
}

.product-table th:nth-child(4) {
    width: 80px;
}

.product-table th:nth-child(5) {
    width: 120px;
}

.product-table th:nth-child(6) {
    width: 200px;
}

.product-table th:last-child {
    border-top-right-radius: 10px;
}

.product-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #e9ecef;
    vertical-align: middle;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: keep-all;
    word-wrap: normal;
}

.product-table td:first-child {
    width: 120px;
}

.product-table td:nth-child(2) {
    width: 100px;
}

.product-table td:nth-child(3) {
    width: 120px;
}

.product-table td:nth-child(4) {
    width: 80px;
}

.product-table td:nth-child(5) {
    width: 120px;
}

.product-table td:nth-child(6) {
    width: 200px;
}

.product-table tr:hover {
    background: #f8f9fa;
}

.color-sample {
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
    display: block;
}

.color-cell {
    padding: 0;
    width: 180px;
}

.color-cell .color-sample {
    width: 100%;
    height: 100%;
    min-height: 40px;
}

.view-details-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.view-details-btn:hover {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* 产品特点 */
.product-features {
    padding: 4rem 0;
    background: #f8f9fa;
}

.product-features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

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

.feature-item h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 应用领域 */
.product-applications {
    padding: 4rem 0;
    background: #f8f9fa;
}

.product-applications h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.application-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

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

.application-item h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
        /* gap: 1rem; */
    }
    
    .filter-group {
        display: flex;
        align-items: center;
    }
    
    .filter-group label {
        display: flex;
        align-items: center;
    }
    
    /* Ensure label and select share identical padding for alignment */
    .filter-group label,
    .filter-select {
        padding: 0.5rem 1rem;
    }
    
    .filter-select {
        width: 50%;
    }
}

@media (max-width: 480px) {
    .breadcrumb {
        flex-wrap: wrap;
        gap: 0.3rem;
    }
    
    .product-table {
        font-size: 0.7rem;
    }
    
    .product-table th,
    .product-table td {
        padding: 0.3rem;
    }
    
    .color-sample {
        width: 100%;
        height: 100%;
        min-height: 25px;
    }
    
    .color-cell {
        padding: 0;
        width: 120px;
    }
    
    .view-details-btn {
        padding: 0.3rem 0.8rem;
        font-size: 0.8rem;
    }
} 

/* 表格切换按钮样式 */
.table-toggle-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.table-toggle-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    color: #6c757d;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table-toggle-btn:hover {
    background: #e9ecef;
    color: #495057;
    border-color: #dee2e6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.table-toggle-btn.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.table-toggle-btn.active:hover {
    background: #2980b9;
    border-color: #2980b9;
    box-shadow: 0 6px 16px rgba(52, 152, 219, 0.4);
}

/* 表格容器样式 */
.table-container {
    transition: opacity 0.3s ease;
}

.table-container[style*="display: none"] {
    opacity: 0;
}

.table-container:not([style*="display: none"]) {
    opacity: 1;
} 

/* 产品详情弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 0 auto;
    padding: 0;
    border: none;
    border-radius: 8px;
    width: 95%;
    max-width: 1000px;
    max-height: 90vh;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    right: 15px;
    top: 10px;
    z-index: 1001;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

.product-detail-container {
    display: flex;
    padding: 30px;
    border-bottom: 1px solid #eee;
    flex-shrink: 0;
}

.product-image-section {
    flex: 0 0 200px;
    margin-right: 30px;
}

.product-color-block {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.color-square {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.color-square:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.product-info-section {
    flex: 1;
}

.product-title {
    color: #dc3545;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    margin-top: 0;
}

.product-details {
    display: flex;
    flex-direction: row;
    gap: 40px;
    justify-content: flex-start;
    align-items: flex-start;
}

.detail-left,
.detail-right {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex: 1;
    max-width: 45%;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 24px;
}

.detail-label {
    font-weight: 600;
    color: #333;
    min-width: 140px;
    flex-shrink: 0;
    text-align: right;
}

.detail-value {
    color: #666;
    flex: 1;
    min-width: 0;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.detail-grid {
    display: grid;
    gap: 20px;
}

.detail-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-row.full-width {
    grid-template-columns: 1fr;
}

.product-details p {
    margin: 0;
    font-size: 16px;
    line-height: 1.5;
}

.product-details strong {
    color: #333;
    font-weight: 600;
}

.color-palette-section {
    padding: 20px 30px 30px;
    flex: 1;
    min-height: 0;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 8px;
    padding: 10px 15px;
    max-height: none;
    overflow: visible;
    justify-items: center;
}

.color-palette-item {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: none;
    position: relative;
    z-index: 1;
    /* 防止悬停时的布局抖动 */
    transform-origin: center;
    will-change: transform, box-shadow, border-color;
}

.color-palette-item:hover {
    /* 使用更小的缩放比例，减少抖动 */
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border-color: #3498db;
    /* 添加z-index确保悬停元素在最上层 */
    z-index: 2;
}

.color-palette-item:active {
    transform: scale(1.05);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.color-palette-item.active {
    border: 2px solid #3498db;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 98%;
        max-height: 85vh;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .product-detail-container {
        flex-direction: column;
        padding: 20px;
    }
    
    .product-image-section {
        flex: none;
        margin-right: 0;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .product-color-block {
        margin: 0 auto;
        width: 100%;
    }
    
    .color-square {
        width: 95%;
        max-width: 400px;
        height: 180px;
    }
    
    .product-details {
        flex-direction: column;
        gap: 20px;
    }
    
    .detail-left,
    .detail-right {
        max-width: 90%;
    }
    
    .color-palette {
        grid-template-columns: repeat(auto-fill, minmax(35px, 1fr));
        gap: 6px;
        padding: 8px 12px;
    }
    
    .color-palette-item {
        width: 35px;
        height: 35px;
        /* 移动端也应用相同的防抖动设置 */
        transform-origin: center;
        will-change: transform, box-shadow, border-color;
    }
} 

/* 釉用色料颜色类 */
.color-inclusion-yellow { background-color: #f2e324; }
.color-pr-yellow { background-color: #ffe619; }
.color-victoria-green { background-color: #93c681; }
.color-green { background-color: #3f7d58; }
.color-peacock-green { background-color: #006e7d; }
.color-turquoise-blue { background-color: #38a2d2; }
.color-peacock-blue { background-color: #005884; }
.color-inclusion-orange-red { background-color: #ea5b4a; }
.color-p-pink { background-color: #cc818e; }
.color-cobalt-blue { background-color: #333865; }
.color-dark-blue { background-color: #333865; }
.color-grey { background-color: #52677a; }
.color-black { background-color: #2a2728; }
.color-cobalt-black { background-color: #2a2a2c; }
.color-yellow-brown { background-color: #d18955; }
.color-golden-brown { background-color: #ba6338; }
.color-tea-red { background-color: #c15435; }
.color-coral-pink { background-color: #c15435; }
.color-inclusion-red { background-color: #d9212a; }
.color-violet { background-color: #8e7eaa; }
.color-maroon { background-color: #904657; }
.color-red-brown { background-color: #4a2c2f; }
.color-coffee { background-color: #4e2f33; }

/* 岩板专用色料颜色类 */
.color-orange { background-color: #f5a441; }
.color-turquoise-blue { background-color: #5688c8; }
.color-blue-grey { background-color: #52677a; }
.color-coffee-slab { background-color: #573e3d; }
.color-dark-black { background-color: #272a2a; }

/* 胚用色料颜色类 */
.color-beige { background-color: #f9f2a5; }

/* 无机颜料双色样本样式 */
.color-cell .color-sample-dual {
    display: flex !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 40px !important;
    border-radius: 8px !important;
    overflow: hidden !important;
}

.color-cell .color-sample-left {
    flex: 1 !important;
    height: 100% !important;
    background-color: inherit !important;
}

.color-cell .color-sample-right {
    flex: 1 !important;
    height: 100% !important;
    background-color: inherit !important;
}
.color-yellow-1 { background-color: #faf3a5; }
.color-yellow-2 { background-color: #ffe900; }
.color-yellow-3 { background-color: #e19d2c; }
.color-yellow-yuhuang { background-color: #fff3a3; }
.color-yellow-puhua { background-color: #ffe900; }
.color-yellow-jihuang1 { background-color: #f8b850; }
.color-yellow-jihuang2 { background-color: #f4a441; }
.color-yellow-tuhuang { background-color: #e19d2c; }
.color-yellow-jihuang3 { background-color: #f29a2d; }
.color-caral-feng { background-color: #df7a5a; }
.color-caral-hong { background-color: #cc5938; }
.color-red-baoshi { background-color: #db5a3a; }
.color-green-pinguo { background-color: #a8cd35; }
.color-green-shuijing { background-color: #3c583d; }
.color-green-caolv { background-color: #3b5133; }
.color-blue-haibao { background-color: #5788c8; }
.color-blue-kongque { background-color: #005985; }
.color-orange-jihong { background-color: #f2914b; }
.color-blue-gulou { background-color: #455ea2; }
.color-grey-hui { background-color: #99a4aa; }
.color-grey-lanhuihui { background-color: #52677a; }
.color-coffee-kafei { background-color: #573e3d; }
.color-black-peihui { background-color: #363532; }
.color-black-tehei { background-color: #272929; }
.color-pr-yellow { background-color: #ffea00; }
.color-orange-body { background-color: #f7b851; }
.color-orange-red { background-color: #f2914b; }
.color-mn-pink { background-color: #ffc0cb; }
.color-mn-pink-taohong { background-color: #ddaaaf; }
.color-mn-pink-menghong { background-color: #bd7e8e; }
.color-coral-yellow { background-color: #ffd700; }
.color-red { background-color: #ff0000; }
.color-coral-pink { background-color: #ff7f50; }
.color-victoria-green { background-color: #228b22; }
.color-green-body { background-color: #008000; }
.color-sea-blue { background-color: #006994; }
.color-peacock-blue { background-color: #004d99; }
.color-cobalt-blue { background-color: #0047ab; }
.color-silver-grey { background-color: #c0c0c0; }
.color-blue-grey-body { background-color: #6f8faf; }
.color-coffee-body { background-color: #6f4e37; }
.color-black { background-color: #363532; }
.color-dark-black-body { background-color: #272929; }

/* 案例弹窗样式 */
.case-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

.case-modal.show {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.case-modal-content {
    position: relative;
    margin: 0;
    padding: 20px;
    width: 90%;
    max-width: 600px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
    height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.case-modal-content img {
    width: 100%;
    height: auto;
    max-height: calc(90vh - 120px);
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    flex: 1;
}

.case-modal-info {
    margin-top: 20px;
    margin-bottom: 20px;
    text-align: center;
    flex-shrink: 0;
    max-height: 120px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-modal-info h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.case-modal-info p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    white-space: normal;
    padding-bottom: 20px;
}

.case-close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2001;
}

.case-close:hover,
.case-close:focus {
    color: #2c3e50;
}

@media (max-width: 768px) {
    .case-modal-content {
        margin: 5% auto;
        width: 95vw;
        max-width: none;
        height: auto;
        max-height: 90vh;
        padding: 15px;
    }
    
    .case-modal-content img {
        max-height: 60vh;
        width: 100%;
        object-fit: contain;
    }
    
    .case-modal-info {
        max-height: none;
        overflow: visible;
    }
    
    .case-modal-info h3 {
        font-size: 1.3rem;
        white-space: normal;
        overflow: visible;
        text-overflow: none;
    }
    
    .case-modal-info p {
        font-size: 0.9rem;
        -webkit-line-clamp: none;
        display: block;
        overflow: visible;
        text-overflow: none;
        white-space: normal;
    }
}

/* 折叠功能样式 - 只针对特定页面 */
.category-page .collapsible-title {
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    -webkit-user-select: none;
    user-select: none;
    transition: all 0.3s ease;
}

.category-page .collapsible-title:hover {
    color: #3498db;
}

.category-page .toggle-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3498db;
    transition: transform 0.3s ease;
}

.category-page .collapsible-title:hover .toggle-icon {
    transform: scale(1.1);
}

.category-page .collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.category-page .collapsible-content.expanded {
    max-height: 2000px;
}

/* 小屏幕下隐藏内容，大屏幕下正常显示 */
@media (max-width: 768px) {
    .category-page .collapsible-content {
        max-height: 0;
        overflow: hidden;
    }
    
    .category-page .collapsible-content.expanded {
        max-height: 2000px;
    }
    
    /* 确保在小屏幕下+号始终显示 */
    .category-page .toggle-icon {
        display: block !important;
    }
    
    /* 小屏幕下可以点击 */
    .category-page .collapsible-title {
        cursor: pointer;
    }
    
    /* 小屏幕下product-features的padding设置为30% */
    .product-features {
        padding: 1.2rem 0;  /* 4rem * 0.3 = 1.2rem */
        margin: 0;  /* 去掉margin */
    }
    
    /* 小屏幕下product-applications的padding设置为30% */
    .product-applications {
        padding: 1.2rem 0;  /* 4rem * 0.3 = 1.2rem */
        margin: 0;  /* 去掉margin */
    }
    
    /* 小屏幕下给标题和内容增加间距 */
    .product-features h2,
    .product-applications h2 {
        margin-bottom: 3rem;  /* 增加标题底部间距到3rem */
        font-size: 1.8rem;  /* 缩小字体大小，让标题完整显示 */
        white-space: nowrap;  /* 防止换行 */
        overflow: hidden;  /* 隐藏溢出内容 */
        text-overflow: ellipsis;  /* 显示省略号 */
    }
}

@media (min-width: 769px) {
    .category-page .collapsible-content {
        max-height: none;
        overflow: visible;
        margin-top: 2rem;  /* 大屏幕下给展开内容添加上方间距 */
    }
    
    .category-page .collapsible-title {
        cursor: default;
        margin-bottom: 1.5rem;  /* 大屏幕下给标题添加底部间距 */
    }
    
    /* 大屏幕下隐藏+号 */
    .category-page .toggle-icon {
        display: none;
    }
}
.email-link {
    color: #3498db;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.email-link:hover {
    color: #2980b9;
    border-bottom-color: #2980b9;
}

.email-link:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
    border-radius: 3px;
}

/* 联系信息中的邮箱链接特殊样式 */
.contact-details .email-link {
    font-weight: 500;
}

.footer-section .email-link {
    color: #ecf0f1;
}

.footer-section .email-link:hover {
    color: #3498db;
    border-bottom-color: #3498db;
}

/* 电话号码链接样式 */
.phone-link {
    color: #27ae60;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.phone-link:hover {
    color: #229954;
    border-bottom-color: #229954;
}

.phone-link:focus {
    outline: 2px solid #27ae60;
    outline-offset: 2px;
    border-radius: 3px;
}

/* 联系信息中的电话号码链接特殊样式 */
.contact-details .phone-link {
    font-weight: 500;
}

.footer-section .phone-link {
    color: #ecf0f1;
}

.footer-section .phone-link:hover {
    color: #27ae60;
    border-bottom-color: #27ae60;
}

/* 小屏状态下padding设置为0 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        margin: 0;
    }
    
    .nav-container {
        padding: 0 20px;  /* 恢复导航栏原始padding */
    }
    
    .values {
        padding: 0;
    }
    
    .about {
        padding: 0;
    }
    
    .cases {
        padding: 30px 0;
    }
    
    .cases .container {
        padding: 15px 15px;
    }
    
    .news {
        padding: 0;
    }
    
    .contact {
        padding: 0;
    }
    
    .team-section {
        padding: 0;
    }
    
    .product-table-section {
        padding: 1rem 0;  /* 恢复大屏幕的padding，小屏幕时减少padding */
    }
    
    .product-image-section {
        padding: 0;
    }
    
    .product-info-section {
        padding: 0;
    }
    
    .color-palette-section {
        padding: 0;
    }
    
    .value-item {
        padding: 1.2rem;
    }
    
    .product-card {
        padding: 1.2rem;
    }
    
    .case-card {
        padding: 0;
    }
    
    .news-card {
        padding: 1.2rem;
    }
    
    .advantage-item {
        padding: 1.2rem;
    }
    
    .contact-info {
        padding: 0;
    }
    
    .footer {
        padding: 30px 0 20px;  /* 恢复页脚原始padding */
    }
    
    .footer-content {
        padding: 0;
    }
    
    .footer-section {
        padding: 0;
    }
    
    .footer-section h3 {
        padding: 0;
    }
    
    .footer-section ul {
        padding: 0;
    }
    
    .footer-section p {
        padding: 0;
    }
    
    .footer-section div {
        padding: 0;
    }
    
    .product-features h2 {
        margin: 0;
    }
    
    .product-applications h2 {
        margin: 0;
    }
}