/*
Theme Name: Pipes China Clone
Description: 克隆 https://www.pipeschina.cn/ 网站的 WordPress 主题
Version: 1.0
Author: Pipes China Clone
*/

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px 0;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #1a1a1a;
}

.logo a {
    color: #1a5490;
    text-decoration: none;
}

.logo a:hover {
    color: #2d7dd2;
}

.logo span {
    color: #1a5490;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: #333;
    position: relative;
    transition: background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: #333;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #1a1a1a;
}

/* 下拉菜单 */
.nav-menu {
    position: relative;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 5px;
}

.nav-item {
    white-space: nowrap;
}

.nav-item.dropdown {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #1a5490;
    background: rgba(26, 84, 144, 0.08);
    border-radius: 4px;
}

.nav-link.dropdown-toggle {
    position: relative;
    padding-right: 28px;
}

.nav-link.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s;
    font-size: 12px;
}

.nav-item.dropdown:hover .nav-link.dropdown-toggle::after {
    transform: translateY(-50%) rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.nav-item.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.dropdown-item:hover {
    background: #f8f9fa;
    color: #1a1a1a;
    padding-left: 25px;
}

/* 英雄区域 */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.carousel {
    position: relative;
    height: 100%;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.carousel-item .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

.indicator.active {
    background: #1a1a1a;
}

.carousel-item:nth-child(1) {
    background: url('wp-content/uploads/2024/03/carousel-1.jpg') no-repeat center center;
    background-size: cover;
}

.carousel-item:nth-child(2) {
    background: url('wp-content/uploads/2024/03/carousel-2.jpg') no-repeat center center;
    background-size: cover;
}

.carousel-item:nth-child(3) {
    background: url('wp-content/uploads/2024/03/carousel-3.jpg') no-repeat center center;
    background-size: cover;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    background: #1a1a1a;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn:hover {
    background: #333333;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 30px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.section-title p {
    color: #7f8c8d;
    font-size: 16px;
}

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

.about-text {
    flex: 1;
    padding-right: 50px;
}

.about-text h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image {
    flex: 1;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
}

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

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

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
}

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.product-info p {
    color: #7f8c8d;
    margin-bottom: 15px;
}

/* 新闻区域 */
.news {
    padding: 80px 0;
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.news-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    overflow: hidden;
}

.news-card .news-image {
    height: 180px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 15px;
}

.news-card .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-card h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.news-card p {
    color: #7f8c8d;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-date {
    font-size: 14px;
    color: #95a5a6;
    margin-bottom: 15px;
}

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

/* 案例区域 */
.cases {
    padding: 80px 0;
    background: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

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

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.case-info p {
    color: #7f8c8d;
}

/* 视频专区 */
.video-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.video-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

/* 品牌口号 */
.company-slogan {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a1a, #333333);
    color: #fff;
    text-align: center;
    margin: 40px 0;
    border-radius: 10px;
}

.company-slogan h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

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

.slogan-main {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
}

.slogan-sub {
    font-size: 24px;
    opacity: 0.9;
}

/* 企业文化 */
.company-culture {
    padding: 60px 0;
}

.company-culture h3 {
    font-size: 28px;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

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

.culture-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a1a1a, #333333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.culture-icon i {
    font-size: 36px;
    color: #fff;
}

.culture-item h4 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.culture-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 荣誉资质 */
.company-honors {
    padding: 60px 0;
    background: #f8f9fa;
}

.company-honors h3 {
    font-size: 28px;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.honor-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.honor-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
}

.honor-item h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.honor-item p {
    color: #7f8c8d;
    font-size: 14px;
}

/* 二维码样式 */
.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

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

.qrcode-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 10px;
}

.qrcode-item p {
    color: #7f8c8d;
    font-size: 12px;
    margin: 0;
}

/* 成功案例样式 */
.cases-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.case-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
}

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

.case-item i {
    color: #28a745;
    margin-right: 10px;
    font-size: 18px;
}

.case-item span {
    color: #1a1a1a;
    font-size: 14px;
}

/* 合作伙伴网格 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.partner-item {
    background: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    font-weight: 500;
    color: #1a1a1a;
    transition: all 0.3s;
}

.partner-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.video-item:hover {
    transform: translateY(-10px);
}

.video-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
    cursor: pointer;
}

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

.video-item:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(52, 152, 219, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    transition: all 0.3s;
}

.video-item:hover .video-play-btn {
    background: rgba(52, 152, 219, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-item h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin: 20px;
    text-align: center;
}

/* 认证区域 */
.certifications {
    padding: 80px 0;
    background: #fff;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.cert-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
}

.cert-item h3 {
    font-size: 16px;
    color: #1a1a1a;
    margin-top: 15px;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-info h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info i {
    color: #1a1a1a;
    margin-right: 10px;
}

.contact-form {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-form h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

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

/* 页脚 */
footer {
    background: #1a1a1a;
    color: #fff;
    padding: 50px 0;
}

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

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-column p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links li a:hover {
    color: #1a1a1a;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

/* 产品详情页 */
.product-detail {
    padding: 60px 0;
    background: #f8f9fa;
}

.breadcrumb {
    margin-bottom: 30px;
    font-size: 14px;
    color: #7f8c8d;
}

.breadcrumb a {
    color: #1a1a1a;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 10px;
}

.product-content {
    display: flex;
    gap: 50px;
    margin-bottom: 60px;
}

.product-images {
    flex: 1;
}

.main-image {
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
}

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

.image-gallery {
    display: flex;
    gap: 10px;
}

.gallery-item {
    flex: 1;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 5px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.gallery-item.active {
    border-color: #1a1a1a;
}

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

.product-info {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-info h1 {
    font-size: 28px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.product-meta {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.product-meta div {
    margin-bottom: 10px;
    font-size: 14px;
}

.product-meta a {
    color: #1a1a1a;
    text-decoration: none;
}

.product-description {
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-features {
    margin-bottom: 30px;
}

.product-features h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

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

.product-features li {
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
}

.product-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-size: 18px;
}

.product-actions {
    display: flex;
    gap: 15px;
}

.btn-primary {
    background: #1a1a1a;
    color: #fff;
}

.btn-secondary {
    background: #1a1a1a;
    color: #fff;
}

.product-params {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 60px;
}

.product-params h2 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

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

.params-table th,
.params-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e0e0e0;
}

.params-table th {
    background: #f8f9fa;
    font-weight: 600;
    text-align: left;
    width: 30%;
}

.related-products {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.related-products h2 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .nav-link {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .nav-menu {
        gap: 3px;
    }
}

@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        transition: left 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        padding-top: 60px;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        margin-top: 0;
        flex-direction: column;
        flex-wrap: nowrap;
        width: 100%;
    }
    
    nav ul li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link {
        padding: 15px 20px;
        font-size: 15px;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-item.dropdown {
        position: static;
    }
    
    .dropdown-menu {
        position: static;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin: 0;
        min-width: 100%;
        background: #f8f9fa;
    }
    
    .nav-item.dropdown:hover .dropdown-menu,
    .nav-item.dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-item {
        padding: 12px 30px;
        font-size: 14px;
    }
    
    .dropdown-item:hover {
        padding-left: 35px;
    }
}

@media (max-width: 768px) {
    .logo {
        font-size: 20px;
    }
    
    .logo small {
        font-size: 11px;
    }
    
    nav {
        width: 260px;
    }
    
    .nav-link {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .dropdown-item {
        padding: 10px 25px;
        font-size: 13px;
    }
}

@media (max-width: 576px) {
    .logo {
        font-size: 18px;
    }
    
    .logo small {
        font-size: 10px;
    }
    
    nav {
        width: 240px;
    }
}

/* 英雄区域 */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* 各语言英雄区域标题优化 */
html[lang="en"] .hero h1 {
    font-size: 34px;
}

html[lang="fr"] .hero h1 {
    font-size: 32px;
}

html[lang="ru"] .hero h1 {
    font-size: 30px;
}

html[lang="es"] .hero h1 {
    font-size: 30px;
}

html[lang="ar"] .hero h1 {
    font-size: 32px;
}

html[lang="ar"] .hero p {
    direction: rtl;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 30px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.section-title p {
    color: #7f8c8d;
    font-size: 16px;
}

/* 各语言section-title优化 */
html[lang="ru"] .section-title h2,
html[lang="es"] .section-title h2 {
    font-size: 28px;
}

html[lang="ar"] .section-title h2 {
    font-size: 28px;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image {
    flex: 1;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
}

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

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

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
}

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.product-info p {
    color: #7f8c8d;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 新闻区域 */
.news {
    padding: 80px 0;
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.news-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
}

.news-card h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.news-card p {
    color: #7f8c8d;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 案例区域 */
.cases {
    padding: 80px 0;
    background: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

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

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.case-info p {
    color: #7f8c8d;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 数据统计区域 */
.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* 认证证书区域 */
.certifications {
    padding: 80px 0;
    background: #fff;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.cert-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.cert-item:hover img {
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.cert-item img {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 15px;
    transition: box-shadow 0.3s ease;
}

.cert-item h3 {
    font-size: 16px;
    color: #1a1a1a;
}

/* 资料下载区域 */
.downloads {
    padding: 80px 0;
    background: #f8f9fa;
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.download-card {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.download-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a1a1a, #333333);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.download-icon i {
    font-size: 28px;
    color: #fff;
}

.download-info {
    flex: 1;
}

.download-info h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.download-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.5;
}

.download-meta {
    display: flex;
    gap: 15px;
}

.download-meta span {
    font-size: 13px;
    color: #888;
}

.download-meta i {
    margin-right: 5px;
    color: #1a1a1a;
}

.download-action {
    margin-left: 20px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background: linear-gradient(135deg, #1a1a1a, #333333);
    color: #fff;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: linear-gradient(135deg, #333333, #1a5276);
    transform: scale(1.05);
}

.btn-download i {
    margin-right: 8px;
}

/* 联系我们区域 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 15px;
    font-size: 16px;
}

.contact-info i {
    color: #1a1a1a;
    margin-right: 10px;
    width: 20px;
}

html[lang="ar"] .contact-info i {
    margin-right: 0;
    margin-left: 10px;
}

.contact-form h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 15px;
}

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

@media (max-width: 768px) {
    .hero {
        height: 400px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    /* 通用部分 */
    .section-title h2 {
        font-size: 24px;
    }
    
    /* 关于我们 */
    .about-content {
        flex-direction: column;
    }
    
    .about-text {
        margin-bottom: 30px;
    }
    
    /* 产品详情 */
    .product-content {
        flex-direction: column;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .params-table th,
    .params-table td {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    /* 联系我们 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .hero {
        height: 350px;
    }
    
    .hero h1 {
        font-size: 20px;
    }
    
    .hero p {
        font-size: 14px;
    }
    
    .section-title h2 {
        font-size: 20px;
    }
    
    .products-grid,
    .news-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    /* 轮播图 */
    .carousel-item h1 {
        font-size: 24px;
    }
    
    .carousel-item p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* 网格布局 */
    .products-grid,
    .news-grid,
    .cases-grid,
    .cert-grid,
    .footer-content,
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    /* 间距和内边距 */
    .hero {
        padding: 60px 0;
        height: 400px;
    }
    
    .about,
    .products,
    .news,
    .cases,
    .certifications,
    .contact,
    .ai-knowledge,
    .video-section {
        padding: 40px 0;
    }
    
    /* 字体大小 */
    .hero h1 {
        font-size: 24px;
    }
    
    .section-title h2 {
        font-size: 20px;
    }
    
    .carousel-item h1 {
        font-size: 20px;
    }
    
    /* 导航 */
    nav ul li {
        margin: 0 5px;
        font-size: 14px;
    }
    
    /* 按钮 */
    .btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    /* 聊天界面 */
    .chat-messages {
        height: 250px;
    }
    
    /* 表单 */
    .form-group input,
    .form-group textarea {
        padding: 10px;
        font-size: 14px;
    }
    
    /* 视频专区 */
    .video-thumbnail {
        height: 150px;
    }
    
    .video-play-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .video-item h3 {
        font-size: 16px;
        margin: 15px;
    }
}

/* AI 知识库页面 */
.ai-knowledge {
    padding: 80px 0;
    background: #f8f9fa;
}

.ai-knowledge .page-title {
    text-align: center;
    margin-bottom: 50px;
}

.ai-knowledge .page-title h1 {
    font-size: 32px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.ai-knowledge .page-title p {
    color: #7f8c8d;
    font-size: 18px;
}

.ai-chat-container {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 50px;
}

.chat-header {
    background: #1a1a1a;
    color: #fff;
    padding: 20px;
}

.chat-header h2 {
    font-size: 20px;
    margin-bottom: 5px;
}

.chat-header p {
    font-size: 14px;
    opacity: 0.9;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: #f9f9f9;
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
}

.system-message {
    margin: 0 auto 15px;
    text-align: center;
    max-width: 90%;
}

.system-message .message-content {
    background: #e3f2fd;
    color: #1976d2;
    border-radius: 10px;
    padding: 10px;
    font-size: 14px;
}

.user-message {
    margin-left: auto;
}

.user-message .message-content {
    background: #1a1a1a;
    color: #fff;
    border-radius: 10px 10px 0 10px;
    padding: 10px 15px;
}

.ai-message .message-content {
    background: #fff;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 10px 10px 10px 0;
    padding: 10px 15px;
}

.chat-input {
    display: flex;
    padding: 20px;
    border-top: 1px solid #ddd;
}

.chat-input input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px 0 0 5px;
    font-size: 16px;
}

.chat-input button {
    background: #1a1a1a;
    color: #fff;
    border: none;
    padding: 0 30px;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background 0.3s;
}

.chat-input button:hover {
    background: #333333;
}

.faq-section {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 50px;
}

.faq-section h2 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

.faq-item {
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    cursor: pointer;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question.active {
    background: #1a1a1a;
    color: #fff;
}

.faq-answer {
    display: none;
    padding: 15px 10px;
    color: #7f8c8d;
    line-height: 1.6;
}

.knowledge-categories {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 30px;
}

.knowledge-categories h2 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

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

.category-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.category-icon {
    width: 80px;
    height: 80px;
    background: #1a1a1a;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.category-item h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.category-item p {
    color: #7f8c8d;
    font-size: 14px;
}

/* AI 知识库响应式设计 */
@media (max-width: 768px) {
    .ai-knowledge {
        padding: 40px 0;
    }
    
    .ai-chat-container {
        margin-bottom: 30px;
    }
    
    .chat-messages {
        height: 300px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .faq-section,
    .knowledge-categories {
        padding: 20px;
    }
}

/* 分页样式 */
.pagination {
    margin-top: 40px;
    text-align: center;
}

.pagination ul {
    list-style: none;
    display: inline-flex;
    gap: 5px;
    padding: 0;
    margin: 0;
}

.pagination li {
    margin: 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background: #1a1a1a;
    color: #fff;
    border-color: #1a1a1a;
}

.pagination .current {
    background: #1a1a1a;
    color: #fff;
    border-color: #1a1a1a;
}

.pagination .prev,
.pagination .next {
    font-weight: bold;
}

/* 面包屑导航 */
.breadcrumb-section {
    padding: 20px 0;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    font-size: 14px;
    color: #7f8c8d;
}

.breadcrumb a {
    color: #1a1a1a;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 10px;
}

/* 页面标题 */
.page-title {

/* 新闻页面 */
.news-page-section {
    padding: 60px 0;
    background: #fff;
}

.news-page-section .page-header {
    text-align: center;
    margin-bottom: 50px;
}

.news-page-section .page-header h1 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.news-page-section .page-header p {
    font-size: 16px;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.news-page-section .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.news-page-section .news-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.news-page-section .news-card .news-image {
    height: 180px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 15px;
}

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

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

.news-page-section .news-card h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-page-section .news-card p {
    color: #7f8c8d;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}

.news-page-section .news-card .news-date {
    font-size: 14px;
    color: #95a5a6;
    margin-bottom: 15px;
}

.news-page-section .news-card .news-date i {
    margin-right: 5px;
}

.news-page-section .news-card .btn {
    display: inline-block;
    padding: 10px 25px;
    background: #1a1a1a;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.news-page-section .news-card .btn:hover {
    background: #333333;
}

@media (max-width: 768px) {
    .news-page-section {
        padding: 40px 0;
    }
    
    .news-page-section .page-header h1 {
        font-size: 28px;
    }
    
    .news-page-section .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 页面标题 */
    text-align: center;
    margin-bottom: 40px;
}

.page-title h1 {
    font-size: 32px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.page-title p {
    color: #7f8c8d;
    font-size: 16px;
}

/* 产品筛选 */
.product-filters {
    margin-bottom: 30px;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 20px;
}

.filter-tabs {
    list-style: none;
    display: flex;
    gap: 20px;
    padding: 0;
    margin: 0;
}

.filter-tabs li {
    margin: 0;
}

.filter-tabs a {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: none;
    color: #333;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.filter-tabs a:hover {
    background: #1a1a1a;
    color: #fff;
}

.filter-tabs li.active a {
    background: #1a1a1a;
    color: #fff;
}

/* 归档页面样式 */
.products-archive,
.cases-archive,
.news-archive,
.about-page,
.contact-page,
.news-page,
.municipal-water,
.power-telecom,
.municipal-gas,
.irrigation,
.building-water {
    padding: 60px 0;
    background: #f8f9fa;
}

/* 业务领域落地页面 */
.section-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.section-text {
    flex: 1;
}

.section-image {
    flex: 1;
}

.section-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.section-text h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.section-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.section-text ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.section-text ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.section-text ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-size: 18px;
}

.products-list {
    margin-bottom: 60px;
}

.products-list h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

.application-cases h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.application-cases p {
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-content {
        flex-direction: column;
    }
    
    .section-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .section-text h3,
    .products-list h3,
    .application-cases h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .municipal-water,
    .power-telecom,
    .municipal-gas,
    .irrigation,
    .building-water {
        padding: 40px 0;
    }
    
    .section-text ul li {
        padding-left: 20px;
    }
}

/* 数据统计区域样式 */
.stats-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #1a1a1a 100%);
    padding: 80px 0;
    color: #fff;
}

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

.stat-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: transform 0.3s, background 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
    font-family: 'Arial', sans-serif;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .stats-section {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-icon {
        font-size: 36px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 视频展示区域样式 */
.video-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.video-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.video-main {
    position: relative;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-button {
    width: 80px;
    height: 80px;
    background: #1a1a1a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s, background 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
    background: #333333;
}

.play-button i {
    font-size: 30px;
    color: #fff;
    margin-left: 5px;
}

.video-overlay p {
    color: #fff;
    font-size: 18px;
    font-weight: 500;
}

.video-playlist {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.playlist-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: #fff;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.playlist-item.active {
    border-color: #1a1a1a;
    background: #f0f8ff;
}

.playlist-thumbnail {
    position: relative;
    width: 120px;
    height: 68px;
    border-radius: 5px;
    overflow: hidden;
    flex-shrink: 0;
}

.playlist-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: rgba(52, 152, 219, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.playlist-item:hover .play-icon,
.playlist-item.active .play-icon {
    opacity: 1;
}

.play-icon i {
    font-size: 12px;
    color: #fff;
    margin-left: 2px;
}

.playlist-info {
    flex: 1;
}

.playlist-info h4 {
    font-size: 16px;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.playlist-info p {
    font-size: 14px;
    color: #7f8c8d;
    margin: 0;
}

.playlist-item.vr-item {
    cursor: pointer;
    background: linear-gradient(135deg, #1a5f7a 0%, #2d8bba 100%);
    border: 2px solid #e85d04;
}

.playlist-item.vr-item .playlist-info h4 {
    color: #fff;
}

.playlist-item.vr-item .playlist-info p {
    color: rgba(255,255,255,0.8);
}

.playlist-item.vr-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(232,93,4,0.3);
}

.playlist-thumbnail.vr-thumbnail .play-icon.vr-icon {
    background: linear-gradient(135deg, #e85d04 0%, #ff6b1a 100%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    opacity: 1;
}

.playlist-thumbnail.vr-thumbnail .play-icon.vr-icon i {
    font-size: 20px;
    margin-left: 0;
}

@media (max-width: 768px) {
    .video-content {
        grid-template-columns: 1fr;
    }
    
    .video-playlist {
        flex-direction: row;
        overflow-x: auto;
        gap: 10px;
        padding-bottom: 10px;
    }
    
    .playlist-item {
        flex-direction: column;
        min-width: 150px;
    }
    
    .playlist-thumbnail {
        width: 100%;
        height: 85px;
    }
    
    .playlist-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .video-section {
        padding: 60px 0;
    }
    
    .play-button {
        width: 60px;
        height: 60px;
    }
    
    .play-button i {
        font-size: 24px;
    }
    
    .video-overlay p {
        font-size: 16px;
    }
}

/* 荣誉资质页面优化样式 */
.honors-page {
    padding: 60px 0;
}

.honors-intro {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 60px;
    border-left: 5px solid #1a1a1a;
}

.honors-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.honors-intro p:last-child {
    margin-bottom: 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h3 {
    font-size: 28px;
    color: #1a1a1a;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.section-header h3 i {
    color: #1a1a1a;
    font-size: 32px;
}

.section-desc {
    font-size: 16px;
    color: #7f8c8d;
    margin: 0;
}

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

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

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

.cert-image-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    cursor: pointer;
}

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

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

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.cert-image-wrapper:hover .cert-overlay {
    opacity: 1;
}

.cert-overlay i {
    font-size: 48px;
    color: #fff;
    margin-bottom: 10px;
}

.cert-overlay span {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
}

.cert-info {
    padding: 25px;
}

.cert-badge {
    display: inline-block;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cert-info h4 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.cert-title {
    font-size: 14px;
    color: #1a1a1a;
    font-weight: 600;
    margin-bottom: 12px;
}

.cert-desc {
    font-size: 14px;
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 15px;
}

.cert-details {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    padding-top: 15px;
    border-top: 1px solid #ecf0f1;
}

.cert-details span {
    font-size: 12px;
    color: #95a5a6;
    display: flex;
    align-items: center;
    gap: 5px;
}

.cert-details i {
    color: #1a1a1a;
}

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

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

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

.honor-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    cursor: pointer;
}

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

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

.honor-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.honor-image-wrapper:hover .honor-overlay {
    opacity: 1;
}

.honor-overlay i {
    font-size: 48px;
    color: #fff;
    margin-bottom: 10px;
}

.honor-overlay span {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
}

.honor-info {
    padding: 20px;
    text-align: center;
}

.honor-info h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.honor-info p {
    font-size: 14px;
    color: #7f8c8d;
    margin: 0;
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.standard-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.standard-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.standard-icon i {
    font-size: 24px;
    color: #fff;
}

.standard-content h4 {
    font-size: 16px;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.standard-content p {
    font-size: 13px;
    color: #7f8c8d;
    margin: 0;
}

.brand-slogan {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    margin-top: 60px;
}

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

.slogan-icon {
    font-size: 48px;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 20px;
}

.slogan-main {
    font-size: 36px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.slogan-sub {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    letter-spacing: 1px;
}

.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #1a1a1a;
}

@media (max-width: 768px) {
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .standards-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h3 {
        font-size: 24px;
    }
    
    .section-header h3 i {
        font-size: 28px;
    }
    
    .slogan-main {
        font-size: 28px;
    }
    
    .slogan-sub {
        font-size: 20px;
    }
    
    .brand-slogan {
        padding: 40px 20px;
    }
    
    .honors-intro {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .cert-image-wrapper,
    .honor-image-wrapper {
        height: 200px;
    }
    
    .cert-info {
        padding: 20px;
    }
    
    .cert-info h4 {
        font-size: 18px;
    }
    
    .slogan-main {
        font-size: 24px;
    }
    
    .slogan-sub {
        font-size: 18px;
    }
}

/* 案例详情页样式 */
.case-single {
    padding: 60px 0;
}

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

.case-header h1 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.case-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #7f8c8d;
    font-size: 14px;
}

.case-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.case-main {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.case-featured-image {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
}

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

.case-content {
    font-size: 16px;
    line-height: 1.8;
    color: #1a1a1a;
}

.case-content h2,
.case-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.case-details {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-top: 30px;
}

.case-details h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a1a1a;
}

.details-grid {
    display: grid;
    gap: 15px;
}

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

.detail-item .label {
    font-weight: 600;
    color: #1a1a1a;
    min-width: 120px;
}

.detail-item .label i {
    color: #1a1a1a;
    margin-right: 5px;
}

.detail-item .value {
    color: #7f8c8d;
}

.case-gallery {
    margin-top: 30px;
}

.case-gallery h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}

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

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.case-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.sidebar-widget h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a1a1a;
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    color: #1a1a1a;
    text-decoration: none;
    transition: all 0.3s;
}

.category-list a:hover {
    background: #1a1a1a;
    color: #fff;
}

.category-list i {
    margin-right: 8px;
}

.category-list .count {
    font-size: 12px;
    color: #95a5a6;
}

.related-cases {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-case-item {
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

.related-case-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-case-image {
    margin-bottom: 10px;
    border-radius: 8px;
    overflow: hidden;
}

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

.related-case-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.related-case-item h4 a {
    color: #1a1a1a;
    text-decoration: none;
}

.related-case-item h4 a:hover {
    color: #1a1a1a;
}

.related-case-item p {
    font-size: 14px;
    color: #7f8c8d;
    margin: 0;
}

.contact-widget {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
}

.contact-widget h3 {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.3);
}

.contact-widget .contact-info p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 10px;
}

.contact-widget .btn {
    background: #fff;
    color: #1a1a1a;
    margin-top: 15px;
}

.case-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
}

.case-navigation a {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
}

.case-navigation a:hover {
    color: #333333;
}

/* 新闻详情页样式 */
.news-single {
    padding: 60px 0;
}

.news-header {
    text-align: center;
    margin-bottom: 40px;
}

.news-header h1 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.news-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #7f8c8d;
    font-size: 14px;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.news-main {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-featured-image {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
}

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

.news-content {
    font-size: 16px;
    line-height: 1.8;
    color: #1a1a1a;
}

.news-content h2,
.news-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.news-tags {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
}

.tag-label {
    font-weight: 600;
    color: #1a1a1a;
    margin-right: 10px;
}

.news-tags a {
    display: inline-block;
    background: #ecf0f1;
    color: #7f8c8d;
    padding: 5px 15px;
    border-radius: 20px;
    margin-right: 10px;
    margin-bottom: 10px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.news-tags a:hover {
    background: #1a1a1a;
    color: #fff;
}

.news-share {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
}

.share-label {
    font-weight: 600;
    color: #1a1a1a;
    margin-right: 15px;
}

.share-buttons {
    display: inline-flex;
    gap: 10px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s;
}

.share-btn.weibo {
    background: #e6162d;
}

.share-btn.wechat {
    background: #07c160;
}

.share-btn.qq {
    background: #12b7f5;
}

.share-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.news-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
}

.news-navigation a {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
}

.news-navigation a:hover {
    color: #333333;
}

.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.hot-articles {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hot-article-item {
    display: flex;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

.hot-article-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.hot-article-item .rank {
    width: 30px;
    height: 30px;
    background: #ecf0f1;
    color: #7f8c8d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.hot-article-item .rank.top1 {
    background: #e74c3c;
    color: #fff;
}

.hot-article-item .rank.top2 {
    background: #e67e22;
    color: #fff;
}

.hot-article-item .rank.top3 {
    background: #f39c12;
    color: #fff;
}

.hot-article-item .article-info {
    flex: 1;
}

.hot-article-item h4 {
    font-size: 14px;
    margin-bottom: 5px;
}

.hot-article-item h4 a {
    color: #1a1a1a;
    text-decoration: none;
}

.hot-article-item h4 a:hover {
    color: #1a1a1a;
}

.hot-article-item .views {
    font-size: 12px;
    color: #95a5a6;
}

.latest-articles {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.latest-article-item {
    display: flex;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

.latest-article-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.latest-article-item .article-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    flex-shrink: 0;
}

.latest-article-item .article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.latest-article-item .article-info {
    flex: 1;
}

.latest-article-item h4 {
    font-size: 14px;
    margin-bottom: 5px;
}

.latest-article-item h4 a {
    color: #1a1a1a;
    text-decoration: none;
}

.latest-article-item h4 a:hover {
    color: #1a1a1a;
}

.latest-article-item .date {
    font-size: 12px;
    color: #95a5a6;
}

.related-news {
    margin-top: 60px;
}

.related-news h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

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

.related-news-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

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

.related-news-item h4 {
    font-size: 18px;
    padding: 20px 20px 10px;
}

.related-news-item h4 a {
    color: #1a1a1a;
    text-decoration: none;
}

.related-news-item h4 a:hover {
    color: #1a1a1a;
}

.related-news-item p {
    padding: 0 20px;
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 10px;
}

.related-news-item .date {
    padding: 0 20px 20px;
    font-size: 12px;
    color: #95a5a6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .case-content-wrapper,
    .news-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .case-sidebar,
    .news-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .case-header h1,
    .news-header h1 {
        font-size: 28px;
    }
    
    .case-meta,
    .news-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .case-navigation,
    .news-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .related-news-grid {
        grid-template-columns: 1fr;
    }
}

/* 关于我们页面 */
.about-page .about-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.about-page .about-text {
    flex: 1;
}

.about-page .about-image {
    flex: 1;
}

/* 语言切换器样式 */
.language-switcher {
    position: relative;
}

.language-switcher .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 80px;
}

.language-switcher .nav-link i {
    font-size: 16px;
}

.language-switcher .dropdown-menu {
    min-width: 160px;
    right: 0;
    left: auto;
    transform: translateX(0) translateY(10px);
    opacity: 0;
    visibility: hidden;
    max-height: 400px;
    overflow-y: auto;
}

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

.language-switcher .dropdown-item {
    padding: 10px 18px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.language-switcher .dropdown-item.active {
    background: #1a1a1a;
    color: #fff;
}

.language-switcher .dropdown-item:hover {
    background: #ecf0f1;
    padding-left: 22px;
}

.language-switcher .dropdown-item.active:hover {
    background: #333333;
    color: #fff;
}

/* RTL语言支持（阿拉伯语） */
html[lang="ar"] {
    direction: rtl;
}

html[lang="ar"] .nav-menu {
    flex-direction: row-reverse;
}

html[lang="ar"] .nav-link {
    padding: 8px 12px;
}

html[lang="ar"] .nav-link.dropdown-toggle {
    padding-right: 12px;
    padding-left: 28px;
}

html[lang="ar"] .nav-link.dropdown-toggle::after {
    right: auto;
    left: 8px;
}

html[lang="ar"] .dropdown-menu {
    text-align: right;
    left: auto;
    right: 50%;
    transform: translateX(50%) translateY(10px);
}

html[lang="ar"] .nav-item.dropdown:hover .dropdown-menu {
    transform: translateX(50%) translateY(0);
}

html[lang="ar"] .dropdown-item:hover {
    padding-left: 20px;
    padding-right: 25px;
}

html[lang="ar"] .footer-content {
    direction: rtl;
}

html[lang="ar"] .footer-links {
    text-align: right;
}

/* 俄语特殊样式 - 文字较长 */
html[lang="ru"] .nav-link {
    font-size: 14px;
    padding: 8px 10px;
}

html[lang="ru"] .nav-menu {
    gap: 3px;
}

/* 西班牙语特殊样式 - 文字较长 */
html[lang="es"] .nav-link {
    font-size: 14px;
    padding: 8px 10px;
}

html[lang="es"] .nav-menu {
    gap: 3px;
}

/* 法语特殊样式 */
html[lang="fr"] .nav-link {
    font-size: 14px;
}

/* 意大利语特殊样式 */
html[lang="it"] .nav-link {
    font-size: 14px;
}

/* 马来语特殊样式 */
html[lang="ms"] .nav-link {
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-switcher .dropdown-menu {
        position: static;
        width: 100%;
        margin-top: 10px;
        left: auto;
        right: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
        max-height: 300px;
        overflow-y: auto;
        display: none;
    }
    
    .language-switcher .dropdown-menu.show {
        display: block;
    }
    
    .language-switcher .nav-link {
        justify-content: center;
        min-width: auto;
    }
    
    html[lang="ar"] .dropdown-menu {
        right: auto;
        transform: none;
    }
    
    html[lang="ar"] .nav-item.dropdown:hover .dropdown-menu {
        transform: none;
    }
}

.about-page .about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.company-info {
    margin-bottom: 60px;
}

.company-info h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

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

.advantage-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: #1a1a1a;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.advantage-item h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.advantage-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

.company-history h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: center;
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: #1a1a1a;
    transform: translateX(-50%);
}

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

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

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

.timeline-date {
    flex: 0 0 150px;
    background: #1a1a1a;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
    margin: 0 20px;
}

.timeline-content {
    flex: 1;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.timeline-content h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 联系我们页面 */
.contact-page .contact-content {
    display: flex;
    gap: 50px;
}

.contact-page .contact-info {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-page .contact-form {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.map-container {
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.map-container img {
    width: 100%;
    height: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-page .about-content,
    .contact-page .contact-content {
        flex-direction: column;
    }
    
    .about-page .about-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-date {
        position: absolute;
        left: 0;
        top: 0;
        margin: 0;
    }
}

@media (max-width: 480px) {
    .about-page,
    .contact-page {
        padding: 40px 0;
    }
    
    .advantage-item {
        padding: 20px;
    }
    
    .timeline-content {
        padding: 15px;
    }
    
    .contact-page .contact-info,
    .contact-page .contact-form {
        padding: 20px;
    }
}

/* 分页响应式设计 */
@media (max-width: 768px) {
    .pagination ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination a,
    .pagination span {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .filter-tabs a {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .page-title h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .products-archive,
    .cases-archive,
    .news-archive {
        padding: 40px 0;
    }
    
    .pagination a,
    .pagination span {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* 关于我们页面 - 公司数据统计 */
.company-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.3);
}

.stat-item {
    text-align: center;
    color: #fff;
    padding: 20px;
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-unit {
    font-size: 24px;
    font-weight: 600;
    display: inline;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 质量控制部分 */
.quality-control-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.quality-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

/* 质量控制流程 */
.quality-process {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.process-title {
    text-align: center;
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 40px;
}

.process-title i {
    color: #1a1a1a;
    margin-right: 10px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.process-step:hover {
    transform: translateY(-5px);
    border-color: #1a1a1a;
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.2);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a1a;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.step-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px auto 15px;
}

.step-icon i {
    font-size: 28px;
    color: #fff;
}

.process-step h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.process-step p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 认证资质 */
.quality-certifications {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.cert-title {
    text-align: center;
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.cert-title i {
    color: #e74c3c;
    margin-right: 10px;
}

.cert-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #666;
    line-height: 1.8;
}

.cert-gallery {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.cert-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    aspect-ratio: 3/4;
}

.cert-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.3);
}

.cert-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(52, 152, 219, 0) 0%, rgba(52, 152, 219, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.cert-item:hover .cert-overlay {
    opacity: 1;
}

.cert-overlay i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #fff;
    opacity: 0;
    transition: all 0.4s ease 0.1s;
}

.cert-item:hover .cert-overlay i {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.cert-overlay span {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease 0.15s;
}

.cert-item:hover .cert-overlay span {
    transform: translateY(0);
    opacity: 1;
}

.cert-overlay p {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    line-height: 1.5;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease 0.2s;
}

.cert-item:hover .cert-overlay p {
    transform: translateY(0);
    opacity: 1;
}

.cert-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cert-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.cert-modal.active .modal-content {
    transform: scale(1);
}

.modal-content img {
    max-width: 100%;
    max-height: 70vh;
    display: block;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 32px;
    color: #fff;
    cursor: pointer;
    z-index: 10001;
    background: rgba(0,0,0,0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #e74c3c;
    transform: rotate(90deg);
}

.modal-info {
    padding: 25px;
    text-align: center;
    background: #fff;
}

.modal-info h3 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.modal-info p {
    font-size: 15px;
    color: #666;
}

/* 质量优势 */
.quality-advantages {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.adv-title {
    text-align: center;
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 40px;
}

.adv-title i {
    color: #f39c12;
    margin-right: 10px;
}

.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.adv-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.adv-item:hover {
    transform: translateY(-5px);
    border-color: #f39c12;
    box-shadow: 0 10px 30px rgba(243, 156, 18, 0.2);
}

.adv-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.adv-icon i {
    font-size: 24px;
    color: #fff;
}

.adv-item h4 {
    font-size: 16px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.adv-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 客户信任 */
.customers-trust {
    padding: 80px 0;
    background: #fff;
}

.customers-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.partner-item {
    background: #f8f9fa;
    padding: 20px 30px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.partner-item:hover {
    background: #fff;
    border-color: #1a1a1a;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.partner-item span {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
}

/* 企业文化 */
.company-culture {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #34495e 100%);
    color: #fff;
}

.company-culture .section-title h2 {
    color: #fff;
}

.company-culture .section-title p {
    color: rgba(255,255,255,0.8);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.culture-item {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.culture-item:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-5px);
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.culture-icon i {
    font-size: 32px;
    color: #fff;
}

.culture-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.culture-item p {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
}

.company-slogan {
    text-align: center;
    padding: 50px;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    border: 2px solid rgba(255,255,255,0.1);
}

.slogan-main {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #fff, #1a1a1a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slogan-sub {
    font-size: 24px;
    opacity: 0.9;
    color: #1a1a1a;
}

/* 响应式设计 - 关于我们页面 */
@media (max-width: 1200px) {
    .cert-gallery {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .adv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .company-stats {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .adv-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quality-control-section,
    .customers-trust,
    .company-culture {
        padding: 50px 0;
    }
    
    .quality-process,
    .quality-certifications,
    .quality-advantages {
        padding: 25px;
    }
    
    .slogan-main {
        font-size: 24px;
    }
    
    .slogan-sub {
        font-size: 18px;
    }
    
    .modal-content {
        max-width: 95%;
    }
    
    .modal-content img {
        max-height: 50vh;
    }
}

@media (max-width: 480px) {
    .stat-item {
        padding: 15px;
    }
    
    .cert-gallery {
        grid-template-columns: 1fr;
    }
    
    .modal-info {
        padding: 15px;
    }
    
    .modal-info h3 {
        font-size: 18px;
    }
    
    .modal-info p {
        font-size: 13px;
    }
}
    
    .stat-icon {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .process-step {
        padding: 25px 15px;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
    }
    
    .step-icon i {
        font-size: 24px;
    }
    
    .company-slogan {
        padding: 30px 20px;
    }
    
    .slogan-main {
        font-size: 20px;
    }
    
    .slogan-sub {
        font-size: 16px;
    }
}

/* 关于我们页面 - 新布局样式 */
.about-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.hero-text h1 {
    font-size: 42px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.hero-text .company-name {
    font-size: 24px;
    color: #1a1a1a;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text .company-intro {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.2);
}

.stat-box .stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 0;
}

.stat-box .stat-info {
    display: flex;
    flex-direction: column;
}

.stat-box .stat-number {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1;
}

.stat-box .stat-unit {
    font-size: 16px;
    color: #1a1a1a;
    font-weight: 600;
}

.stat-box .stat-label {
    font-size: 13px;
    color: #666;
    margin-top: 5px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #1a1a1a, #333333);
    margin: 0 auto;
    border-radius: 2px;
}

.section-btn-wrapper {
    text-align: center;
    margin-top: 40px;
}

.section-btn {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.section-btn:hover {
    background: linear-gradient(135deg, #333333 0%, #1a5276 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    color: #fff;
}

.section-btn i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.section-btn:hover i {
    transform: translateX(5px);
}

.section-btn-light {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.section-btn-light:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.4);
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #34495e 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-btn {
    display: inline-flex;
    align-items: center;
    padding: 16px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    gap: 10px;
}

.cta-btn-primary {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.cta-btn-primary:hover {
    background: linear-gradient(135deg, #333333 0%, #1a5276 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.5);
    color: #fff;
}

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

.cta-btn-secondary:hover {
    background: #fff;
    color: #1a1a1a;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .cta-content h2 {
        font-size: 28px;
    }
    
    .cta-content p {
        font-size: 16px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

  .products-section {
    padding: 80px 0;
    background: #fff;
}

.products-intro {
    text-align: center;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.product-card:hover {
    background: #fff;
    border-color: #1a1a1a;
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.15);
}

.product-card .card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.product-card .card-icon i {
    font-size: 32px;
    color: #fff;
}

.product-card h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

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

.quality-content {
    text-align: center;
}

.quality-intro,
.quality-cert-intro {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto 20px;
}

.quality-cert-intro {
    margin-bottom: 40px;
}

.customers-section {
    padding: 80px 0;
    background: #fff;
}

.customers-content {
    text-align: center;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto;
}

.processes-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #34495e 100%);
    color: #fff;
}

.processes-section .section-header h2 {
    color: #fff;
}

.processes-content {
    text-align: center;
}

.processes-content > p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
    max-width: 900px;
    margin: 0 auto 50px;
}

.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.process-item {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 30px 25px;
    text-align: center;
    min-width: 150px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.process-item:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-5px);
}

.process-number {
    font-size: 14px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.process-item .process-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.process-item .process-icon i {
    font-size: 20px;
    color: #fff;
}

.process-item h4 {
    font-size: 14px;
    color: #fff;
    font-weight: 600;
}

.process-arrow {
    color: rgba(255,255,255,0.5);
    font-size: 20px;
}

.team-section {
    padding: 80px 0;
    background: #fff;
}

.team-content {
    text-align: center;
}

.team-content > p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto 50px;
}

.team-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.value-item:hover {
    background: #fff;
    border-color: #1a1a1a;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.15);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 28px;
    color: #fff;
}

.value-item h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.value-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 - 新布局 */
@media (max-width: 1200px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-values {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-text h1 {
        font-size: 32px;
    }
    
    .hero-text .company-name {
        font-size: 20px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .process-flow {
        gap: 10px;
    }
    
    .process-item {
        min-width: 120px;
        padding: 20px 15px;
    }
}

@media (max-width: 768px) {
    .about-hero,
    .products-section,
    .quality-section,
    .customers-section,
    .processes-section,
    .team-section {
        padding: 50px 0;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .team-values {
        grid-template-columns: 1fr;
    }
    
    .process-flow {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .process-item {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 26px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .stat-box {
        padding: 20px;
    }
    
    .stat-box .stat-number {
        font-size: 24px;
    }
    
    .product-card,
    .value-item {
        padding: 30px 20px;
    }
}

/* 关于我们页面 - 新板块样式 */
.company-style-section,
.exhibition-section,
.certifications-section,
.team-service-section,
.delivery-section,
.responsibility-section,
.faq-section {
    padding: 80px 0;
}

.company-style-section {
    background: #fff;
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.style-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.style-item:hover {
    background: #fff;
    border-color: #1a1a1a;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.15);
}

.style-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.style-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.style-item:hover .style-overlay {
    opacity: 1;
}

.style-overlay i {
    font-size: 36px;
    color: #fff;
}

.style-item h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin: 20px 15px 10px;
}

.style-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    padding: 0 15px 20px;
}

.exhibition-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.exhibition-item {
    background: #fff;
    border-radius: 15px;
    padding: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.exhibition-item:hover {
    border-color: #1a1a1a;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.15);
}

.exhibition-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.exhibition-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(231, 76, 60, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.exhibition-item:hover .exhibition-overlay {
    opacity: 1;
}

.exhibition-overlay i {
    font-size: 36px;
    color: #fff;
}

.exhibition-item h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin: 20px 15px 10px;
}

.exhibition-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    padding: 0 15px 20px;
}

.certifications-section {
    background: #fff;
}

.cert-intro {
    text-align: center;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto 40px;
}

.team-service-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #34495e 100%);
}

.team-service-section .section-header h2 {
    color: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-item {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.service-item:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-5px);
}

.service-image {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

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

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(243, 156, 18, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-item:hover .service-overlay {
    opacity: 1;
}

.service-overlay i {
    font-size: 36px;
    color: #fff;
}

.service-item h3 {
    font-size: 18px;
    color: #fff;
    margin: 20px 15px 10px;
}

.service-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    padding: 0 15px 20px;
}

.delivery-section {
    background: #fff;
}

.delivery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.delivery-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.delivery-item:hover {
    background: #fff;
    border-color: #1a1a1a;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.15);
}

.delivery-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

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

.delivery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(39, 174, 96, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.delivery-item:hover .delivery-overlay {
    opacity: 1;
}

.delivery-overlay i {
    font-size: 36px;
    color: #fff;
}

.delivery-item h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin: 20px 20px 15px;
}

.delivery-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    padding: 0 20px 20px;
}

.responsibility-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.responsibility-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.responsibility-item {
    background: #fff;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.responsibility-item:hover {
    border-color: #1a1a1a;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.15);
}

.responsibility-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.responsibility-icon i {
    font-size: 28px;
    color: #fff;
}

.responsibility-item h3 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.responsibility-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.faq-section {
    background: #fff;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question i:first-child {
    font-size: 24px;
    color: #1a1a1a;
}

.faq-question h3 {
    flex: 1;
    font-size: 16px;
    color: #1a1a1a;
    font-weight: 600;
}

.faq-toggle {
    transition: transform 0.3s ease;
}

.faq-toggle i {
    font-size: 16px;
    color: #1a1a1a;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 25px 20px 60px;
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

/* 响应式设计 - 新板块 */
@media (max-width: 1200px) {
    .style-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .exhibition-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .responsibility-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .company-style-section,
    .exhibition-section,
    .certifications-section,
    .team-service-section,
    .delivery-section,
    .responsibility-section,
    .faq-section {
        padding: 60px 0;
    }
    
    .style-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .delivery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .style-grid {
        grid-template-columns: 1fr;
    }
    
    .exhibition-grid {
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .responsibility-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 15px 20px;
    }
    
    .faq-question h3 {
        font-size: 14px;
    }
    
    .faq-answer p {
        padding: 0 20px 15px 45px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .style-item,
    .exhibition-item,
    .service-item,
    .delivery-item,
    .responsibility-item {
        padding: 0;
    }
    
    .style-image,
    .exhibition-image {
        height: 180px;
    }
    
    .service-icon,
    .delivery-icon,
    .responsibility-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i,
    .delivery-icon i,
    .responsibility-icon i {
        font-size: 24px;
    }
}

.page-header-section {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    text-align: center;
}

.page-header-section h1 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.style-grid-detail,
.exhibition-grid-detail,
.service-grid-detail,
.delivery-grid-detail {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

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

.style-card-image,
.exhibition-card-image,
.service-card-image,
.delivery-card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.style-card-image img,
.exhibition-card-image img,
.service-card-image img,
.delivery-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.style-card:hover .style-card-image img,
.exhibition-card:hover .exhibition-card-image img,
.service-card:hover .service-card-image img,
.delivery-card:hover .delivery-card-image img {
    transform: scale(1.1);
}

.style-card-overlay,
.exhibition-card-overlay,
.service-card-overlay,
.delivery-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.style-card:hover .style-card-overlay,
.exhibition-card:hover .exhibition-card-overlay,
.service-card:hover .service-card-overlay,
.delivery-card:hover .delivery-card-overlay {
    opacity: 1;
}

.style-card-overlay i,
.exhibition-card-overlay i,
.service-card-overlay i,
.delivery-card-overlay i {
    font-size: 48px;
    color: #fff;
}

.style-card-content,
.exhibition-card-content,
.service-card-content,
.delivery-card-content {
    padding: 25px;
}

.style-card-content h3,
.exhibition-card-content h3,
.service-card-content h3,
.delivery-card-content h3 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.style-card-content p,
.exhibition-card-content p,
.service-card-content p,
.delivery-card-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

.cert-intro-detail {
    text-align: center;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto 40px;
}

.cert-gallery-detail {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.cert-item-detail {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

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

.cert-item-detail .cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cert-item-detail:hover .cert-overlay {
    opacity: 1;
}

.cert-item-detail .cert-overlay i {
    font-size: 36px;
    color: #fff;
    margin-bottom: 10px;
}

.cert-item-detail .cert-overlay span {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.back-link {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.back-link .section-btn i {
    margin-right: 8px;
    margin-left: 0;
}

@media (max-width: 992px) {
    .style-grid-detail,
    .exhibition-grid-detail,
    .service-grid-detail,
    .delivery-grid-detail {
        grid-template-columns: 1fr;
    }
    
    .cert-gallery-detail {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header-section h1 {
        font-size: 28px;
    }
    
    .cert-gallery-detail {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .style-card-image,
    .exhibition-card-image,
    .service-card-image,
    .delivery-card-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .cert-gallery-detail {
        grid-template-columns: 1fr;
    }
    
    .cert-item-detail img {
        height: 250px;
    }
}