/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-slider {
        height: 400px; /* 平板高度 */
    }
    
    .slide-content {
        bottom: 60px;
        left: 60px;
        max-width: 400px;
        padding: 20px;
    }
    
    .intro-image {
        order: -1;
    }
    
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .master-profile {
        grid-template-columns: 1fr;
    }
    
    .master-image {
        height: 300px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .slide-content {
        left: 40px;
        bottom: 60px;
        max-width: 400px;
        padding: 20px;
    }
    
    .slide-content h1 {
        font-size: 28px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
}

/* 移动设备 (小于768px) */
@media (max-width: 768px) {
    .bityiche{display: none;}
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        z-index: 999;
    }
    
    .main-nav ul.show {
        display: block;
    }
    
    .main-nav li {
        margin: 0;
        text-align: center;
    }
    
    .main-nav a {
        display: block;
        padding: 10px 0;
    }
    
    .hero-slider {
        height: 300px; /* 手机高度 */
        /* 新增：保持宽高比的关键设置 */
        aspect-ratio: 16/9;
    }
    
    .slide img {
        /* 移动端优化：防止横向拉伸 */
        object-fit: contain;
        background-color: #000; /* 黑边填充 */
    }
    
    .slide-content {
        bottom: 30px;
        left: 30px;
        right: 30px;
        max-width: 100%;
        width: auto;
    }
    
    .slide-content h1 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title span {
        font-size: 28px;
    }
        .news-section {
        padding: 40px 0;
        margin: 30px 0;
    }
    
    .news-item-text {
        padding: 20px;
    }
    
    .news-item-text h3 {
        font-size: 18px;
    }
    .features {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .list-item {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 20px;
    }    
    .wechat-popup {
        width: 150px;
        left: -60px;
        transform: none;
    }
    
    .wechat-popup::after {
        left: 75px;
    }    
    .quote-item blockquote {
        padding: 0 12%; /* 减少两侧空间 */
        font-size: 18px; /* 调小字号 */
    }
    
    .quote-item blockquote:before,
    .quote-item blockquote:after {
        font-size: 2.5em; /* 缩小引号 */
    }
    
    .quote-item blockquote:before {
        top: 0.3em;
        left: 5%;
    }
    
    .quote-item blockquote:after {
        right: 5%;
}

/* 小屏幕移动设备 (小于480px) */
@media (max-width: 480px) {
    .bityiche{display: none;}
    .hero-slider {
        height: auto; /* 高度自适应 */
        aspect-ratio: 4/3; /* 更适合手机的宽高比 */
    }
    
    .slide img {
        /* 小屏手机完全显示图片 */
        object-fit: cover;
    }
    
    .slide-content {
        bottom: 20px;
        left: 20px;
        right: 20px;
        padding: 15px;
    }
    
    .slide-content h1 {
        font-size: 20px !important;
    }
    
    .slide-content p {
        display: none; /* 小屏隐藏描述文字 */
    }
    
    .section-title span {
        font-size: 24px;
    }    
    
    .news-item-text {
        padding: 15px;
    }
    
    .news-item-text .meta {
        flex-wrap: wrap;
    }
    
    .news-item-text .meta::before {
        display: none;
    }
    
    .pagination a {
        padding: 5px 10px;
        margin: 0 2px;
        font-size: 14px;
    }
    
    .article-detail {
        padding: 20px;
    }
    
    .article-detail h1 {
        font-size: 26px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 16px;
        bottom: 20px;
        right: 20px;
    }    .quote-item blockquote {
        padding: 0 8%;
        font-size: 16px;
    }
    
    .quote-item blockquote:before,
    .quote-item blockquote:after {
        font-size: 2em;
    }
    
    .quote-item blockquote:before {
        left: 2%;
    }
    
    .quote-item blockquote:after {
        right: 2%;
    }
}