/**
 * 首页Certificates和Projects区域移动端修复CSS
 * 专门解决这两个区域在移动端的样式问题
 * 作者：AI助手
 * 创建时间：2025-10-11
 */

/* ========== Certificates and Patents 区域移动端优化 ========== */
@media (max-width: 768px) {
    
    /* Certificates 区域容器 */
    .certificates {
        padding: 40px 0 !important;
        background-position: center !important;
        background-size: cover !important;
    }
    
    .certificates .container {
        padding: 0 16px !important;
    }
    
    /* Certificates 内容布局 */
    .certificates-content {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 30px !important;
        position: relative !important;
        height: auto !important;
        min-height: auto !important;
    }
    
    /* 证书图片区域 */
    .certificates-grid {
        position: static !important;
        transform: none !important;
        width: 100% !important;
        display: flex !important;
        justify-content: center !important;
        flex-direction: column !important;
        align-items: center !important;
    }
    
    .certificate-item {
        width: 100% !important;
        max-width: 90% !important;
        text-align: center !important;
    }
    
    .certificate-item img {
        width: 100% !important;
        height: auto !important;
        max-height: none !important;
        object-fit: contain !important;
        border-radius: 8px !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
        display: block !important;
    }
    
    /* 专利统计数据区域 */
    .patents-stats {
        position: static !important;
        transform: none !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 50px !important;
        width: 100% !important;
        margin-top: 20px !important;
    }
    
    .patent-item {
        text-align: center !important;
        flex: 0 0 auto !important;
    }
    
    .patent-number {
        font-size: 40px !important;
        font-weight: bold !important;
        color: white !important;
        margin-bottom: 8px !important;
        line-height: 1 !important;
    }
    
    .patent-text {
        font-size: 14px !important;
        color: rgba(255, 255, 255, 0.9) !important;
        font-weight: 400 !important;
    }
}

/* ========== Our Projects 区域移动端优化 ========== */
@media (max-width: 768px) {
    
    /* Projects 区域容器 */
    .projects {
        padding: 40px 0 !important;
    }
    
    .projects .container {
        padding: 0 16px !important;
    }
    
    .projects .section-title {
        margin-bottom: 30px !important;
        text-align: center !important;
    }
    
    .projects .section-title h2 {
        font-size: 28px !important;
    }
    
    /* Projects 容器 */
    .projects-container {
        position: relative !important;
        width: 100% !important;
        margin: 0 auto !important;
    }
    
    /* Projects 轮播区域 */
    .projects-slider {
        width: 100% !important;
        overflow: hidden !important;
        border-radius: 12px !important;
        position: relative !important;
    }
    
    .projects-track {
        display: flex !important;
        transition: transform 0.5s ease !important;
        height: auto !important;
        min-height: 250px !important;
        width: 100% !important;
    }
    
    /* 项目卡片 - 每次只显示一张 */
    .project-card {
        width: 100% !important;
        height: auto !important;
        min-height: 250px !important;
        margin-right: 0 !important;
        flex-shrink: 0 !important;
        border-radius: 12px !important;
        overflow: hidden !important;
        position: relative !important;
        display: block !important;
    }
    
    .project-card img {
        width: 84% !important;
        height: 100% !important;
        min-height: 200px !important;
        object-fit: cover !important;
        border-radius: 10px;
    }
    
    /* 项目导航按钮 */
    .project-nav {
        position: absolute !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        background: rgba(255, 255, 255, 0.9) !important;
        border: none !important;
        border-radius: 50% !important;
        width: 40px !important;
        height: 40px !important;
        font-size: 20px !important;
        color: #333 !important;
        cursor: pointer !important;
        z-index: 10 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
        transition: all 0.3s ease !important;
    }
    
    .project-nav:hover {
        background: rgba(9, 162, 230, 0.9) !important;
        color: white !important;
        transform: translateY(-50%) scale(1.1) !important;
    }
    
    .project-nav:active {
        transform: translateY(-50%) scale(0.95) !important;
    }
    
    .project-nav.prev {
        left: -2% !important;
    }
    
    .project-nav.next {
        right: -2% !important;
    }
}

/* ========== 超小屏幕优化 ========== */
@media (max-width: 480px) {
    
    /* Certificates 区域 */
    .certificates {
        padding: 30px 0 !important;
    }
    
    .certificate-item {
        max-width: 85% !important;
    }
    
    .patents-stats {
        gap: 30px !important;
        flex-wrap: wrap !important;
    }
    
    .patent-number {
        font-size: 32px !important;
    }
    
    .patent-text {
        font-size: 12px !important;
    }
    
    /* Projects 区域 */
    .projects {
        padding: 30px 0 !important;
    }
    
    .projects .section-title h2 {
        font-size: 24px !important;
    }
    
    .project-card {
        min-height: 220px !important;
    }
    
    .project-card img {
        min-height: 220px !important;
    }
    
    .project-nav {
        width: 36px !important;
        height: 36px !important;
        font-size: 18px !important;
    }
    
    .project-nav.prev {
        left: 8px !important;
    }
    
    .project-nav.next {
        right: 8px !important;
    }
}