/* ========================================
   响应式设计 - 平板和移动设备
   ======================================== */

/* ========== 平板设备 (768px - 1024px) ========== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .nav-list {
        gap: 20px;
    }

    .nav-link {
        font-size: 14px;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

/* ========== 手机设备 (480px - 767px) ========== */
@media (max-width: 767px) {
    .header-container {
        height: auto;
        padding: 10px 20px;
        flex-wrap: wrap;
    }

    .logo-text {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .search-section {
        width: 100%;
        margin-top: 10px;
    }

    .search-input {
        width: 100%;
    }

    .mobile-nav {
        display: none;
        background: var(--light-bg);
        border-bottom: 2px solid var(--primary-color);
        padding: 20px;
    }

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

    .mobile-nav-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .mobile-nav-link {
        color: var(--text-secondary);
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .mobile-nav-link:hover {
        color: var(--secondary-color);
    }

    /* Hero Banner */
    .hero-banner {
        height: 350px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }

    .cta-btn {
        width: 100%;
    }

    /* 区域标题 */
    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 14px;
    }

    /* 视频网格 */
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 服务卡片 */
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 20px;
    }

    /* 游戏分类 */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .category-card {
        padding: 20px;
    }

    .category-icon {
        font-size: 32px;
    }

    .category-card h3 {
        font-size: 14px;
    }

    .category-card p {
        font-size: 11px;
    }

    /* 社区区域 */
    .community-section {
        padding: 40px 0;
    }

    .community-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .feature-item {
        padding: 15px;
    }

    .feature-icon {
        font-size: 28px;
    }

    .feature-item h3 {
        font-size: 14px;
    }

    /* 专家展示 */
    .experts-grid {
        grid-template-columns: 1fr;
    }

    .expert-image {
        height: 200px;
    }

    /* FAQ */
    .faq-list {
        max-width: 100%;
    }

    .faq-question {
        padding: 15px;
    }

    .faq-answer {
        padding: 15px;
    }

    /* 用户评价 */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        padding: 20px;
    }

    /* 合作品牌 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .partner-logo {
        padding: 20px;
        font-size: 12px;
    }

    /* 加入社区CTA */
    .join-community-cta {
        padding: 40px 0;
    }

    .join-community-cta h2 {
        font-size: 24px;
    }

    .join-community-cta p {
        font-size: 14px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-section h4 {
        font-size: 14px;
    }

    .footer-section {
        padding: 0;
    }

    .mmphjq {
        flex-direction: column;
    }

    .00obpn {
        width: 80px;
        height: 80px;
        font-size: 11px;
    }

    .footer-social {
        flex-wrap: wrap;
        gap: 15px;
    }

    .social-link {
        font-size: 12px;
    }

    .footer-bottom {
        font-size: 11px;
    }

    /* 页面通用 */
    .page-header {
        padding: 40px 20px;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .page-header p {
        font-size: 14px;
    }

    .page-container {
        padding: 20px;
    }

    /* 筛选器 */
    .filter-section {
        flex-direction: column;
        gap: 15px;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select {
        width: 100%;
    }

    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
    }

    .page-link {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* ========== 小屏设备 (320px - 479px) ========== */
@media (max-width: 479px) {
    .header-container {
        padding: 8px 15px;
    }

    .logo-img {
        width: 35px;
        height: 35px;
    }

    .search-box {
        padding: 6px 10px;
    }

    .search-input {
        width: 100%;
        font-size: 12px;
    }

    /* Hero Banner */
    .hero-banner {
        height: 250px;
    }

    .hero-title {
        font-size: 20px;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .cta-btn {
        padding: 10px 20px;
        font-size: 12px;
    }

    /* 区域标题 */
    .section-title {
        font-size: 20px;
    }

    .section-subtitle {
        font-size: 12px;
        margin-bottom: 20px;
    }

    /* 视频卡片 */
    .video-card {
        margin-bottom: 15px;
    }

    .video-title {
        font-size: 14px;
        min-height: auto;
    }

    .video-stats {
        font-size: 11px;
        gap: 10px;
    }

    /* 服务卡片 */
    .service-card {
        padding: 15px;
    }

    .service-icon {
        font-size: 36px;
    }

    .service-card h3 {
        font-size: 14px;
    }

    .service-card p {
        font-size: 12px;
    }

    /* 游戏分类 */
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .category-card {
        padding: 15px;
    }

    .category-icon {
        font-size: 28px;
    }

    .category-card h3 {
        font-size: 13px;
    }

    .category-card p {
        font-size: 10px;
    }

    /* 社区区域 */
    .community-section {
        padding: 30px 0;
    }

    .community-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-item {
        padding: 12px;
    }

    .feature-icon {
        font-size: 24px;
    }

    .feature-item h3 {
        font-size: 12px;
    }

    .feature-item p {
        font-size: 11px;
    }

    /* 专家展示 */
    .expert-image {
        height: 150px;
    }

    .expert-name {
        font-size: 14px;
    }

    .expert-role {
        font-size: 11px;
    }

    .expert-bio {
        font-size: 11px;
    }

    .expert-btn {
        font-size: 11px;
        padding: 6px 10px;
    }

    /* FAQ */
    .faq-question {
        padding: 12px;
    }

    .faq-answer {
        padding: 12px;
    }

    .faq-text {
        font-size: 13px;
    }

    .faq-toggle {
        font-size: 18px;
    }

    /* 用户评价 */
    .testimonial-card {
        padding: 15px;
    }

    .testimonial-name {
        font-size: 14px;
    }

    .testimonial-comment {
        font-size: 12px;
    }

    .testimonial-game {
        font-size: 11px;
    }

    /* 合作品牌 */
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .partner-logo {
        padding: 15px;
        font-size: 11px;
    }

    /* 加入社区CTA */
    .join-community-cta {
        padding: 30px 0;
    }

    .join-community-cta h2 {
        font-size: 20px;
    }

    .join-community-cta p {
        font-size: 12px;
        margin-bottom: 20px;
    }

    /* 页脚 */
    .footer-content {
        gap: 20px;
    }

    .footer-section h4 {
        font-size: 12px;
    }

    .footer-about p,
    .footer-links a,
    .footer-contact p {
        font-size: 11px;
    }

    .footer-logo img {
        width: 35px;
        height: 35px;
    }

    .footer-logo h3 {
        font-size: 14px;
    }

    .00obpn {
        width: 70px;
        height: 70px;
        font-size: 10px;
    }

    .esnihqu8 p {
        font-size: 10px;
    }

    .footer-social {
        gap: 10px;
    }

    .social-link {
        font-size: 11px;
    }

    .footer-bottom {
        font-size: 10px;
    }

    /* 页面通用 */
    .page-header {
        padding: 30px 15px;
    }

    .page-header h1 {
        font-size: 18px;
    }

    .page-header p {
        font-size: 12px;
    }

    .page-container {
        padding: 15px;
    }

    /* 筛选器 */
    .filter-section {
        gap: 10px;
    }

    .filter-group {
        flex: 1;
        min-width: 100%;
    }

    .filter-group label {
        font-size: 12px;
    }

    .filter-group select {
        font-size: 12px;
    }

    /* 分页 */
    .pagination {
        gap: 5px;
    }

    .page-link {
        padding: 5px 8px;
        font-size: 11px;
    }

    .pbxsl4 {
        font-size: 11px;
    }
}

/* ========== 超小屏设备 (< 320px) ========== */
@media (max-width: 320px) {
    .header-container {
        padding: 5px 10px;
    }

    .logo-img {
        width: 30px;
        height: 30px;
    }

    .search-input {
        font-size: 11px;
    }

    .hero-title {
        font-size: 16px;
    }

    .hero-subtitle {
        font-size: 11px;
    }

    .section-title {
        font-size: 16px;
    }

    .cta-btn {
        padding: 8px 15px;
        font-size: 11px;
    }

    .video-title {
        font-size: 12px;
    }

    .service-card {
        padding: 10px;
    }

    .service-icon {
        font-size: 28px;
    }

    .page-header h1 {
        font-size: 16px;
    }

    .page-header p {
        font-size: 11px;
    }
}