/* 博客页面专属样式 */

/* 页面标题区域 */
.blog-hero {
    height: 50vh;
    min-height: 400px;
    background: linear-gradient(135deg, #1a1a1a, #000000);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
    margin-top: 48px;
}

.blog-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--primary-color), #00C7BE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blog-hero p {
    font-size: 20px;
    max-width: 600px;
    margin: 0 auto;
}

/* 课程分类 */
.course-categories {
    padding: var(--section-padding);
    background-color: var(--background-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.category-card {
    background: var(--background-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-10px);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #ffffff;
}

.category-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.category-card p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 20px;
}

.category-link {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.category-link i {
    transition: transform 0.3s ease;
}

.category-link:hover i {
    transform: translateX(5px);
}

/* 最新教程 */
.latest-tutorials {
    padding: var(--section-padding);
    background-color: var(--secondary-background);
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.tutorial-card {
    background: var(--background-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.tutorial-card:hover {
    transform: translateY(-10px);
}

.tutorial-image {
    position: relative;
    height: 200px;
}

.tutorial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tutorial-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: #ffffff;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 14px;
}

.tutorial-content {
    padding: 30px;
}

.tutorial-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.tutorial-content p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 20px;
}

.tutorial-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 20px;
}

.tutorial-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 学习路径 */
.learning-paths {
    padding: var(--section-padding);
    background-color: var(--background-color);
}

.path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.path-card {
    background: var(--background-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.path-header {
    background: var(--primary-color);
    color: #ffffff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.path-header h3 {
    font-size: 20px;
    margin: 0;
}

.duration {
    background: rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 14px;
}

.path-content {
    padding: 30px;
}

.path-steps {
    list-style: none;
    margin: 0 0 20px 0;
    padding: 0;
}

.path-steps li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.path-steps i {
    color: var(--primary-color);
}

.path-button {
    display: inline-block;
    background: var(--primary-color);
    color: #ffffff;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    transition: var(--transition);
}

.path-button:hover {
    background: var(--hover-color);
    transform: translateY(-2px);
}

/* 学习资源 */
.resources {
    padding: var(--section-padding);
    background-color: var(--secondary-background);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.resource-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), #00C7BE);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-10px);
}

.resource-card:hover::before {
    opacity: 1;
}

.resource-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #00C7BE);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.resource-icon i {
    font-size: 32px;
    color: #ffffff;
}

.resource-card:hover .resource-icon {
    transform: scale(1.1) rotate(5deg);
}

.resource-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.resource-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.resource-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
    text-align: left;
    flex-grow: 1;
}

.resource-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 15px;
}

.resource-features li i {
    color: var(--primary-color);
    font-size: 14px;
    flex-shrink: 0;
}

.resource-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 25px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.resource-link:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
}

.resource-link i {
    transition: transform 0.3s ease;
}

.resource-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计优化 */
@media (max-width: 1200px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .resources-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .blog-hero {
        height: 40vh;
        min-height: 300px;
    }

    .blog-hero h1 {
        font-size: 36px;
    }

    .blog-hero p {
        font-size: 16px;
    }

    .category-grid,
    .tutorial-grid,
    .path-grid,
    .resource-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .tutorial-card {
        margin-bottom: 20px;
    }

    .path-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .blog-hero h1 {
        font-size: 32px;
    }

    .category-card,
    .resource-card {
        padding: 30px 20px;
    }

    .tutorial-content {
        padding: 20px;
    }

    .tutorial-meta {
        flex-direction: column;
        gap: 10px;
    }
}

/* 添加新的样式到文件末尾 */

/* 电子元器件搜索引擎 */
.component-search {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #1a1a1a, #000000);
    color: #ffffff;
}

.search-box {
    max-width: 800px;
    margin: 0 auto;
}

.search-input-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.search-input-group input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    backdrop-filter: blur(10px);
}

.search-input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-input-group select {
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    backdrop-filter: blur(10px);
}

/* 添加下拉选项的样式 */
.search-input-group select option {
    background: #ffffff;
    color: #000000;
    padding: 10px;
}

/* 确保选择框在深色模式下也能看清选项 */
.search-input-group select:focus {
    background: rgba(255, 255, 255, 0.2);
}

.search-btn {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    background: var(--primary-color);
    color: #ffffff;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--hover-color);
}

.popular-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 5px 15px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.tag:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 其他类文章 */
.other-articles {
    padding: var(--section-padding);
    background-color: var(--background-color);
}

.articles-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.article-card {
    background: var(--background-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-10px);
}

.article-card.featured {
    height: 100%;
}

.article-image {
    position: relative;
    height: 300px;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: #ffffff;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 14px;
}

.article-content {
    padding: 30px;
}

.article-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.articles-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.articles-sidebar .article-card {
    background: var(--background-color);
    padding: 20px;
}

/* 互动模块 */
.interactive-module {
    padding: var(--section-padding);
    background-color: var(--secondary-background);
}

.interactive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 时间天气模块 */
.weather-widget {
    background: var(--background-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.time-display {
    text-align: center;
    margin-bottom: 20px;
}

#currentTime {
    font-size: 48px;
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary-color), #00C7BE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#currentDate {
    font-size: 18px;
    color: var(--text-color);
    opacity: 0.7;
}

.weather-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

#weatherIcon {
    font-size: 48px;
    color: var(--primary-color);
}

.weather-info {
    text-align: left;
}

#temperature {
    font-size: 32px;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

#weatherDesc,
#location {
    display: block;
    font-size: 16px;
    color: var(--text-color);
    opacity: 0.7;
}

/* 表情喷泉 */
.emoji-fountain {
    background: var(--background-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.emoji-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.emoji-trigger {
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    background: var(--primary-color);
    color: #ffffff;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.emoji-trigger:hover {
    background: var(--hover-color);
    transform: scale(1.05);
}

.emoji-pool {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(var(--primary-color), 0.1), transparent);
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .search-input-group {
        flex-direction: column;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .interactive-grid {
        grid-template-columns: 1fr;
    }

    .article-image {
        height: 200px;
    }

    #currentTime {
        font-size: 36px;
    }

    .weather-display {
        flex-direction: column;
        text-align: center;
    }

    .weather-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .popular-tags {
        display: none;
    }

    .article-meta {
        flex-direction: column;
        gap: 10px;
    }

    .emoji-fountain {
        min-height: 200px;
    }
}

/* 开源项目模块样式 */
.opensource-section {
    margin-top: 80px;
}

.section-subtitle {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-color);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--background-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), #00C7BE);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-header i.fab {
    font-size: 24px;
    color: var(--text-color);
}

.project-stats {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.project-card h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.project-card p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.project-tags span {
    padding: 5px 12px;
    background: var(--secondary-background);
    border-radius: 15px;
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.8;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.project-link i {
    transition: transform 0.3s ease;
}

.project-link:hover i {
    transform: translateX(5px);
}

.view-more {
    text-align: center;
    margin-top: 40px;
}

.view-more-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    transition: var(--transition);
}

.view-more-link i {
    transition: transform 0.3s ease;
}

.view-more-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .project-card {
        padding: 20px;
    }

    .section-subtitle {
        font-size: 24px;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .project-stats {
        flex-direction: column;
        gap: 5px;
    }

    .project-tags {
        margin-bottom: 15px;
    }
}

/* 主要学习资源入口样式 */
.learning-resources {
    padding: var(--section-padding);
    background-color: var(--section-bg);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.resource-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), #00C7BE);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-10px);
}

.resource-card:hover::before {
    opacity: 1;
}

.resource-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #00C7BE);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.resource-icon i {
    font-size: 32px;
    color: #ffffff;
}

.resource-card:hover .resource-icon {
    transform: scale(1.1) rotate(5deg);
}

.resource-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.resource-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.resource-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
    text-align: left;
    flex-grow: 1;
}

.resource-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 15px;
}

.resource-features li i {
    color: var(--primary-color);
    font-size: 14px;
    flex-shrink: 0;
}

.resource-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 25px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.resource-link:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
}

.resource-link i {
    transition: transform 0.3s ease;
}

.resource-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计优化 */
@media (max-width: 1200px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .resources-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .resource-card {
        padding: 25px;
    }

    .resource-icon {
        width: 70px;
        height: 70px;
    }

    .resource-icon i {
        font-size: 28px;
    }

    .resource-card h3 {
        font-size: 22px;
    }

    .resource-features li {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .resource-card {
        padding: 20px;
    }

    .resource-icon {
        width: 60px;
        height: 60px;
    }

    .resource-icon i {
        font-size: 24px;
    }

    .resource-card h3 {
        font-size: 20px;
    }

    .resource-link {
        padding: 8px 20px;
        font-size: 14px;
    }
}

/* 元器件搜索引擎样式 */
.component-search {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #1a1a1a, #000000);
    color: #ffffff;
}

.search-box {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-input-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
}

#componentSearch {
    width: 100%;
    padding: 16px 20px 16px 50px;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transition: var(--transition);
}

#componentSearch::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#componentSearch:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(41, 151, 255, 0.2);
}

.category-select {
    min-width: 160px;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    cursor: pointer;
    transition: var(--transition);
}

.category-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(41, 151, 255, 0.2);
}

.category-select option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 10px;
}

.search-btn {
    padding: 12px 30px;
    font-size: 16px;
    color: #ffffff;
    background: var(--primary-color);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.quick-filters {
    margin: 20px 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.filter-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.filter-tag {
    padding: 8px 20px;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.search-results {
    margin-top: 30px;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-results.active {
    display: block;
    opacity: 1;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.close-results {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-results:hover {
    background: rgba(255, 0, 0, 0.5);
    transform: rotate(90deg);
}

/* 推荐教程和学习路径样式 */
.tutorials-and-paths {
    padding: var(--section-padding);
    background-color: var(--section-bg);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.tutorials-section,
.paths-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
    }
}

@media (max-width: 992px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .search-input-group {
        flex-direction: column;
    }

    .category-select {
        width: 100%;
    }

    .search-btn {
        width: 100%;
    }

    .filter-tags {
        gap: 8px;
    }

    .filter-tag {
        padding: 6px 16px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .resource-card {
        padding: 20px;
    }

    .resource-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .section-title {
        font-size: 24px;
    }
}

/* 深色模式优化 */
[data-theme="dark"] {
    --section-bg: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    .resource-card,
    .resource-icon,
    .resource-link,
    .search-btn,
    .filter-tag,
    .close-results {
        transition: none;
    }
}

/* 无障碍优化 */
.resource-link:focus,
.search-btn:focus,
.filter-tag:focus,
.close-results:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式优化 */
@media print {
    .emoji-fountain,
    .weather-widget,
    .search-box {
        display: none;
    }
}