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

body { 
    font-family: Arial, sans-serif; 
    line-height: 1.6; 
}

a {
    text-decoration: none;
}
.container { 
    max-width: 1600px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

/* 统一标题样式 */
.section-title { 
    text-align: left; 
    margin-bottom: 50px; 
}

.section-title h2 { 
    font-size: 36px; 
    color: #333; 
    font-weight: bold; 
}

/* Header 样式 */
.header { 
    background: #fff; 
    padding: 15px 0; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
}

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

.logo { 
    font-size: 24px; 
    font-weight: bold; 
    color: #09a2e6; 
}

.nav-center { 
    display: flex; 
    list-style: none; 
    gap: 40px; 
    margin-left: auto; 
    margin-right: 40px; 
}

.nav-center a { 
    text-decoration: none; 
    color: #09a2e6; 
    font-weight: 600; 
    transition: color 0.3s; 
}

.nav-center a:hover { 
    color: #0782c1; 
}

.nav-right { 
    display: flex; 
    align-items: center; 
    gap: 20px; 
}

.contact-btn { 
    background: #09a2e6; 
    color: white; 
    padding: 10px 20px; 
    text-decoration: none; 
    border-radius: 25px; 
    font-weight: 500; 
}

.contact-btn:hover { 
    background: #0782c1; 
}

.language-switcher { 
    display: flex; 
    align-items: center; 
    gap: 5px; 
    cursor: pointer; 
}

.language-switcher img { 
    width: 20px; 
    height: 15px; 
}

.language-switcher span { 
    font-size: 14px; 
    color: #333; 
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #09a2e6;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1000;
}

.mobile-menu.active {
    display: block;
}

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

.mobile-nav li {
    border-bottom: 1px solid #eee;
}

.mobile-nav a {
    display: block;
    padding: 15px 20px;
    color: #09a2e6;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.mobile-nav a:hover {
    background-color: #f5f5f5;
    color: #0782c1;
}

/* Hero Section - 轮播图 */
.hero { 
    position: relative;
    height: 500px; 
    overflow: hidden;
    color: white; 
    text-align: center;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* 轮播图小圆点指示器 */
.hero-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

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

.hero-dot.active {
    background: white;
    transform: scale(1.2);
}

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

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

.btn { 
    background: #09a2e6; 
    color: white; 
    padding: 12px 30px; 
    text-decoration: none; 
    border-radius: 5px; 
}

/* Full-Chain Section */
.full-chain { 
    padding: 80px 0; 
    background: white; 
}

.full-chain-header { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 60px; 
    margin-bottom: 60px; 
    align-items: start; 
}

.full-chain-title { 
    font-size: 36px; 
    color: #333; 
    font-weight: bold; 
    line-height: 1.2; 
}

.full-chain-desc { 
    font-size: 16px; 
    color: #666; 
    line-height: 1.6; 
    /*padding-top: 10px; */
}

.products-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 40px; 
}

.product-card { 
    background: white; 
    text-align: center; 
}

.product-card img { 
    width: 100%; 
    height: 250px; 
    margin-bottom: 25px; 
    background: #f8f9fa; 
    border-radius: 8px; 
}

.product-card h3 { 
    font-size: 18px; 
    color: #333; 
    font-weight: 600; 
    line-height: 1.4; 
}

/* Product Series Section */
.product-series { 
    padding: 80px 0; 
    background: #f8f9fa; 
}

.product-series .section-title { 
    text-align: left; 
    margin-bottom: 40px; 
    max-width: 1600px; 
    margin-left: auto; 
    margin-right: auto; 
    padding: 0 20px; 
}

.product-series .section-title h2 { 
    font-size: 36px; 
    color: #333; 
    font-weight: bold; 
}

.series-content { 
    display: grid; 
    /*grid-template-columns: 1fr 728px; */
    grid-template-columns: repeat(2, 1fr); 
    gap: 60px; 
    align-items: start; 
    width: 100%; 
    padding: 0 0px 0 175px; 
    position: relative; 
}

.product-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 25px; 
    margin-bottom: 40px; 
}

.product-item { 
    background: white; 
    border-radius: 8px; 
    overflow: hidden; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
}

.product-item img { 
    width: 100%; 
    height: 240px; 
    object-fit: cover; 
}

.product-item h4 { 
    padding: 20px; 
    font-size: 16px; 
    color: #333; 
    text-align: center; 
    margin: 0; 
}

/* Learn More 按钮统一样式 */
.learn-more-btn, 
.product-section .learn-more-btn,
button.learn-more-btn { 
    background: #09a2e6 !important; 
    color: white !important; 
    padding: 12px 30px !important; 
    border: none !important; 
    border-radius: 25px !important; 
    font-size: 16px !important; 
    font-weight: 500 !important; 
    cursor: pointer !important; 
    text-decoration: none !important;
    display: inline-block !important;
    transition: all 0.3s ease !important;
}

.learn-more-btn:hover,
.product-section .learn-more-btn:hover,
button.learn-more-btn:hover {
    background: #0788c7 !important; 
    transform: translateY(-2px) !important; 
    box-shadow: 0 5px 15px rgba(9, 162, 230, 0.3) !important; 
}

/* Contact Form */
.contact-form { 
    background: linear-gradient(135deg, #00538f 0%, #09a2e6 100%); 
    /*padding: 50px 40px 100px 40px;*/
    padding: 90px 180px 100px 100px;
    border-top-left-radius: 15px;
    border-bottom-left-radius: 15px;
    color: white; 
    position: relative;
    z-index: 10;
    margin-bottom: -250px;
    height: 900px;
}

.contact-form h3 { 
    margin-bottom: 30px; 
    text-align: left; 
    font-size: 36px; 
    font-weight: bold; 
    color: white; 
}

.form-group { 
    margin-bottom: 25px; 
}

.form-group input, .form-group textarea { 
    width: 100%; 
    padding: 15px 0; 
    background: transparent; 
    border: none; 
    border-bottom: 1px solid rgba(255,255,255,0.5); 
    color: white; 
    font-size: 16px; 
    outline: none;
}

.form-group input::placeholder, .form-group textarea::placeholder { 
    color: rgba(255,255,255,0.8); 
}

.form-group input:focus, .form-group textarea:focus { 
    border-bottom-color: white; 
}

.form-group textarea { 
    height: 60px; 
    resize: none; 
}

.submit-btn { 
    padding: 12px 40px; 
    background: transparent; 
    color: white; 
    border: 1px solid white; 
    border-radius: 5px; 
    font-weight: bold; 
    cursor: pointer; 
    float: right;
    margin-top: 12%;
}

.submit-btn:hover { 
    background: white; 
    color: #09a2e6; 
}

/* Certificates Section */
.certificates { 
    background: url('https://zhgw.long-wen.cn/static/images/zsbjt.png') center/cover; 
    padding: 180px 0 30px 0; 
    position: relative; 
    margin-top: 0;
}

.certificates::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    background: rgba(0,0,0,0.7); 
}

.certificates .container { 
    position: relative; 
    z-index: 2; 
}

.certificates-content { 
    position: relative; 
    height: 300px;
}

.certificates-grid { 
    display: flex; 
    gap: 20px; 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
}

.certificate-item { 
    width: 450px;
}

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

.patents-stats { 
    color: white; 
    display: flex; 
    gap: 80px; 
    position: absolute; 
    right:8%; 
    top: 50%; 
    transform: translateY(-50%); 
}

/* 响应式适配 - 笔记本和中等屏幕 */
@media (max-width: 1600px) {
    .patents-stats {
        right: 0;
    }
}

/* 响应式适配 - 小屏幕笔记本 */
@media (max-width: 1200px) {
    .certificates-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 20px;
    }
    
    .certificates-grid {
        position: static;
        transform: none;
        flex: 0 0 auto;
    }
    
    .patents-stats {
        position: static;
        transform: none;
        flex: 0 0 auto;
        margin-left: auto;
        gap: 60px;
    }
}

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

.patent-number { 
    font-size: 36px; 
    font-weight: bold; 
    color: white; 
}

.patent-text { 
    font-size: 18px; 
    color: rgba(255,255,255,0.9); 
    margin-top: 5px; 
}

/* Projects Section */
.projects { 
    padding: 80px 0; 
    background: #f8f9fa; 
}

.projects .section-title { 
    margin-bottom: 60px; 
}

.projects-container { 
    position: relative; 
}

.projects-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 30px; 
}



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

.project-overlay { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    right: 0; 
    background: linear-gradient(transparent, rgba(0,0,0,0.8)); 
    color: white; 
    padding: 30px; 
}

/* Project Navigation Buttons */
.project-nav { 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    background: rgba(255,255,255,0.9); 
    border: none; 
    border-radius: 50%; 
    width: 50px; 
    height: 50px; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 20px; 
    color: #333; 
    z-index: 5; 
    transition: all 0.3s ease; 
}

.project-nav:hover { 
    background: white; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.15); 
}

.project-nav.prev { 
    left: -80px; 
}

.project-nav.next { 
    right: -80px; 
}

/* Project Slider - 只显示两个项目卡片 */
.projects-slider { 
    overflow: hidden; 
    width: 84%;
    margin-left: 8%;
}

.projects-track { 
    display: flex;
    height: 380px;
    position: relative;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.project-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 380px;
    width: calc(50% - 15px); /* 每个卡片占据50%宽度减去间距 */
    margin-right: 30px;
    flex-shrink: 0;
    opacity: 1;
    pointer-events: auto;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    text-align: center;
}

.project-info h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

/* About Section */
.about { 
    padding: 80px 0; 
    background: url('https://zhgw.long-wen.cn/static/images/spbj_bg.png') center/cover; 
    position: relative; 
}

.about::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    background: rgba(255,255,255,0.1); 
}

.about .container { 
    position: relative; 
    z-index: 2; 
}

.about-description { 
    margin-bottom: 70px; 
    font-size: 16px; 
    line-height: 1.6; 
    color: #666; 
}

.about-content { 
    display: grid; 
    grid-template-columns: 1.3fr 1fr; 
    gap: 50px; 
    align-items: start; 
    margin-top: -20px; 
}

.video-container { 
    position: relative; 
    width: 100%; 
    height: 400px; 
    background: #000; 
    border-radius: 15px; 
    overflow: hidden; 
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* 保留原有的播放按钮样式，以防需要自定义控件 */
.play-button { 
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    width: 60px; 
    height: 60px; 
    background: rgba(0,0,0,0.7); 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: white; 
    font-size: 20px; 
    cursor: pointer; 
    z-index: 10;
}

.video-time { 
    position: absolute; 
    bottom: 10px; 
    left: 10px; 
    background: rgba(0,0,0,0.7); 
    color: white; 
    padding: 5px 10px; 
    border-radius: 5px; 
    font-size: 12px; 
    z-index: 10;
}

.stats { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 30px; 
    margin-bottom: 30px; 
    position: relative; 
}

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

.stat-number { 
    font-size: 36px; 
    font-weight: bold; 
    color: #09a2e6; 
    margin-bottom: 5px; 
}

.stat-text { 
    font-size: 14px; 
    color: #666; 
}

/* Learn More按钮样式 - 位于最右侧 */
.learn-more-stats { 
    width: 100%;
    text-align: center; 
}

.learn-more-stats .learn-more-btn { 
    background: #09a2e6; 
    color: white; 
    padding: 12px 30px; 
    border: none; 
    border-radius: 25px; 
    font-size: 16px; 
    font-weight: 500; 
    cursor: pointer; 
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.learn-more-stats .learn-more-btn:hover { 
    background: #0788c7; 
    transform: translateY(-2px); 
    box-shadow: 0 5px 15px rgba(9, 162, 230, 0.3); 
}

/* News Section - WordPress wp-block-media-text 样式 */
.news { 
    padding: 80px 0; 
    background: #ffffff; 
}

.news .section-title h2 { 
    text-align: left; 
    margin-bottom: 50px; 
}

/* WordPress 原始样式 - 关键背景色 */
.wp-block-media-text__media {
    background-color: #f4f5f9;
}

/* WordPress Media Text Block 样式 - 完整版本 */
.wp-block-media-text { 
    display: grid; 
    grid-template-columns: 50% 1fr; 
    grid-template-areas: "media-text-media media-text-content"; 
    margin-bottom: 5rem;
    align-items: center;
}

.wp-block-media-text.has-media-on-the-right { 
    grid-template-columns: 1fr 50%; 
    grid-template-areas: "media-text-content media-text-media"; 
}

.wp-block-media-text.alignwide {
    width: 100%;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

.wp-block-media-text__media { 
    grid-area: media-text-media; 
    margin: 0;
    align-self: center;
}

.wp-block-media-text.has-media-on-the-right .wp-block-media-text__media {
    margin: 0;
    align-self: center;
}

.wp-block-media-text__media img { 
    width: 100%; 
    height: 380px;
    object-fit: cover;
    display: block; 
    max-width: 100%;
    border-radius: 15px;
}

.wp-block-media-text__content { 
    grid-area: media-text-content; 
    z-index: 1;
    margin-top: 6rem;
}

/* 标题和横线div样式 */
.content-title {
    padding: 0 2.5rem;
    margin-bottom: 1rem;
}

.content-title h2 { 
    font-size: 1.5rem; 
    font-weight: bold; 
    color: #333; 
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

/* 图片在左边时，横线和圆球在左边 */
.content-title h2:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #00adee;
}

.content-title h2:before {
    content: "";
    position: absolute;
    bottom: -1.5px;
    width: 6px;
    height: 6px;
    background: #00adee;
    border-radius: 50%;
}

/* 图片在右边时，横线和圆球在右边 */
.wp-block-media-text.has-media-on-the-right .content-title h2:after {
    left: auto;
    right: 0;
}

.wp-block-media-text.has-media-on-the-right .content-title h2:before {
    left: 100%;
}

/* 详情文字和时间div样式 */
.content-details {
    padding: 2rem 2.5rem;
    background: #ffffff;
    border-radius: 15px;
    margin-right: -40%;
}

.wp-block-media-text.has-media-on-the-right .content-details {
    margin-right: -40%;
    margin-left: 0;
}

.wp-block-media-text:not(.has-media-on-the-right) .content-details {
    margin-left: -40%;
    margin-right: 0;
}

.content-details p { 
    font-size: 1rem;
    line-height: 1.6;
    color: #666; 
    margin-bottom: 2rem;
    position: relative;
}

/* 新闻日期样式 */
.news-date {
    font-size: 0.9rem;
    color: #999;
    text-align: left;
    margin-top: 1rem;
    font-weight: 500;
}

/* News区域底部Learn more按钮样式 */
.news-learn-more {
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 2rem;
}

.news-learn-more-btn {
    display: inline-block;
    background: #09a2e6;
    color: #ffffff;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.news-learn-more-btn:hover {
    background: #0788c7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(9, 162, 230, 0.3);
}

/* CTA Button 样式 */
.cta-button.a-button.a-button--alt { 
    background: #09a2e6; 
    color: white; 
    padding: 12px 30px; 
    border: none; 
    border-radius: 25px; 
    font-size: 14px; 
    font-weight: 500; 
    cursor: pointer; 
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.cta-button.a-button.a-button--alt:hover { 
    background: #0788c7; 
    transform: translateY(-2px); 
    box-shadow: 0 5px 15px rgba(9, 162, 230, 0.3); 
}

.a-button__label {
    display: inline-block;
}

/* Footer - 根据效果图设计 */
.footer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0), rgba(0,0,0,0)), url('https://zhgw.long-wen.cn/static/images/foot_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
}

.footer-background {
    padding: 60px 0 0;
    position: relative;
}

/* 添加背景纹理效果 */
.footer-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background-image: radial-gradient(circle at 100%, rgba(255,255,255,0.1) 0%, transparent 50%),*/
    /*                  radial-gradient(circle at 100%, rgba(255,255,255,0.1) 0%, transparent 50%);*/
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

/* 左侧公司信息 */
.footer-left .footer-logo h3 {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 20px;
}

.footer-address p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 中间联系信息 */
.footer-contact h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    color: #ffffff;
}

.contact-icon {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 右侧导航和图片 */
.footer-nav-image {
    display: flex;
    gap: 100px;
    align-items: flex-start;
}

.footer-navigation h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.nav-links li {
    margin-bottom: 8px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #ffffff;
    opacity: 0.8;
}

/* 导航右侧图片 */
.footer-image {
    flex-shrink: 0;
}

.footer-image img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
}

/* 底部版权信息 */
.footer-bottom {
    padding: 30px 0 0;
    position: relative;
    z-index: 1;
}

.footer-copyright {
    margin-bottom: 20px;
}

.footer-copyright p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin: 0;
}

.footer-bottoms {
    width: 100%;
    height: 100px;
}

.footer-bottom-links {
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    gap: 0;
    background: white;
    overflow: hidden;
    height: 80px;
    width: 55%;
    padding: 0 80px;
}

.footer-bottom-links a {
    color: #333;
    text-decoration: none;
    font-size: 1rem;
    padding: 15px 50px;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
}

.footer-bottom-links a:hover {
    background-color: #f5f5f5;
}

/* 响应式设计 */

/* 平板端适配 (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .series-content {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .full-chain-header {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端适配 (最大宽度 768px) */
@media (max-width: 768px) {
    /* Header 移动端适配 */
    .nav-center, .nav-right {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header {
        position: relative;
    }
    
    /* Hero Section 移动端适配 */
    .hero {
        height: 400px;
    }
    
    .hero h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-dots {
        bottom: 15px;
    }
    
    /* 产品网格移动端适配 */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 项目展示移动端适配 */
    .projects-grid, .project-slide {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-nav {
        display: none; /* 移动端隐藏导航按钮 */
    }
    
    /* About us 移动端适配 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    /* News 移动端适配 */
    .wp-block-media-text, 
    .wp-block-media-text.has-media-on-the-right {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "media-text-media"
            "media-text-content";
        margin-bottom: 3rem;
    }
    
    .wp-block-media-text__content {
        margin-top: 2rem;
    }
    
    .content-details {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 1.5rem;
    }
    
    /* Footer 移动端适配 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-nav-image {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .footer-bottom-links {
        width: 100%;
        padding: 0 20px;
        flex-direction: column;
        height: auto;
    }
    
    .footer-bottom-links a {
        padding: 10px 20px;
        text-align: center;
    }
    
    /* 表单移动端适配 */
    .contact-form {
        padding: 100px 20px 50px 20px;
        height: auto;
        margin-bottom: 0;
    }
    
    .contact-form h3 {
        font-size: 28px;
        text-align: center;
    }
}

/* 小屏幕移动端适配 (最大宽度 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    /* Hero Section 小屏幕适配 */
    .hero {
        height: 350px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 14px;
    }
    
    /* 标题适配 */
    .section-title h2 {
        font-size: 28px;
    }
    
    .full-chain-title {
        font-size: 28px;
    }
    
    /* 统计数据小屏幕适配 */
    .stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    /* 按钮适配 */
    .learn-more-btn, .news-learn-more-btn {
        padding: 10px 20px !important;
        font-size: 14px !important;
    }
    
    /* 证书区域适配 */
    .certificates {
        padding: 100px 0 20px 0;
    }
    
    .certificates-grid {
        flex-direction: column;
        align-items: center;
        position: static;
        transform: none;
    }
    
    .patents-stats {
        position: static;
        transform: none;
        justify-content: center;
        margin-top: 30px;
        gap: 40px;
    }
    
    .patent-number {
        font-size: 28px;
    }
}
