/**
 * SEO主题响应式样式
 * SEO Theme Responsive Styles
 */

@media screen and (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .sidebar {
        width: 260px;
    }
    
    .footer-main {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 30px;
    }
    
    .feature-main {
        width: 280px;
    }
    
    .feature-img {
        height: 200px;
    }
    
    .layout-left-img .main-img,
    .layout-right-img .main-img {
        width: 220px;
        height: 160px;
    }
    
    .layout-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 1024px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: static;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .feature-a {
        flex-direction: column;
    }
    
    .feature-main {
        width: 100%;
    }
    
    .feature-img {
        height: 200px;
    }
    
    .layout-left-img,
    .layout-right-img {
        flex-direction: column;
    }
    
    .layout-left-img .main-img,
    .layout-right-img .main-img {
        width: 100%;
        height: 180px;
    }
    
    .layout-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .header-content {
        padding: 12px 0;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 15px;
        z-index: 999;
    }
    
    .main-nav.show {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 5px;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu li a {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 15px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-slider {
        height: 320px;
    }
    
    .slide-content h2 {
        font-size: 22px;
    }
    
    .slide-content p {
        display: none;
    }
    
    .slide-overlay {
        padding: 20px;
    }
    
    .slider-prev,
    .slider-next {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .slider-dots {
        bottom: 80px;
    }
    
    .hero-search-box {
        bottom: 20px;
    }
    
    .hero-search-box .hero-search {
        flex-direction: column;
        border-radius: 8px;
    }
    
    .hero-search-box .hero-search input {
        padding: 12px 15px;
    }
    
    .hero-search-box .hero-search button {
        padding: 12px 20px;
        justify-content: center;
    }
    
    .page-banner {
        height: 200px;
    }
    
    .page-banner-title {
        font-size: 26px;
    }
    
    .page-banner-desc {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .page-banner-search {
        max-width: 300px;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .card-img {
        height: 160px;
    }
    
    .main-wrapper {
        padding: 20px 0 40px;
    }
    
    .home-nav {
        gap: 10px;
        padding: 20px 0;
    }
    
    .home-nav-item {
        padding: 8px 15px;
        font-size: 13px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-stats {
        justify-content: center;
    }
    
    .read-title {
        font-size: 22px;
    }
    
    .read-content {
        padding: 20px 15px;
        font-size: 15px;
    }
    
    .read-header {
        padding: 20px 15px;
    }
    
    .read-meta {
        gap: 12px;
    }
    
    .read-tags {
        padding: 15px;
    }
    
    .related-list {
        grid-template-columns: 1fr;
    }
    
    .list-title {
        font-size: 20px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }
    
    .article-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .layout-grid-3 {
        grid-template-columns: 1fr;
    }
    
    .item-img {
        height: 140px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .logo i {
        font-size: 24px;
    }
    
    .hero-slider {
        height: 280px;
    }
    
    .slide-content h2 {
        font-size: 18px;
    }
    
    .slider-prev,
    .slider-next {
        width: 35px;
        height: 35px;
        font-size: 12px;
    }
    
    .slider-dots {
        bottom: 70px;
    }
    
    .slider-dots .dot {
        width: 8px;
        height: 8px;
    }
    
    .hero-search-box {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .page-banner {
        height: 160px;
    }
    
    .page-banner-title {
        font-size: 22px;
    }
    
    .page-banner-desc {
        font-size: 13px;
    }
    
    .page-banner-search {
        max-width: 250px;
    }
    
    .page-banner-breadcrumb {
        font-size: 12px;
    }
    
    .home-nav {
        gap: 8px;
    }
    
    .home-nav-item {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .home-nav-item i {
        font-size: 14px;
    }
    
    .m-hd {
        padding: 12px 15px;
    }
    
    .m-tt {
        font-size: 15px;
    }
    
    .m-bd {
        padding: 15px;
    }
    
    .feature-img {
        height: 180px;
    }
    
    .card-img {
        height: 140px;
    }
    
    .top-img {
        height: 140px;
    }
    
    .layout-left-img .main-img,
    .layout-right-img .main-img {
        height: 150px;
    }
    
    .widget-header {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .widget-body {
        padding: 15px;
    }
    
    .tag-cloud a {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .link-list a {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .footer {
        padding: 30px 0 0;
    }
    
    .footer-title {
        font-size: 15px;
        margin-bottom: 15px;
    }
    
    .nav-list li a {
        font-size: 13px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 10px 15px;
    }
    
    .footer-copyright {
        font-size: 12px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 16px;
    }
    
    .article-cards {
        grid-template-columns: 1fr;
    }
    
    .article-card-item .card-thumb {
        height: 160px;
    }
}