/* ==================== 全局变量定义 ==================== */
:root {
    --primary-color: #ffffff;    /* 主背景颜色 */
    --secondary-color: #ffffff;  /* 辅助颜色（边框/装饰元素） */
    --text-color: #000000;       /* 主要文本颜色 */
    --text-dark: #000000;        /* 深色模式文本备用色 */
    --shadow: 0 4px 6px rgb(0, 0, 0); /* 通用阴影效果 */
    --transition: all 0.3s ease; /* 过渡动画效果 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.5s ease;
    min-height: 100vh;
}

.container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* ==================== 侧边栏样式 ==================== */
.sidebar {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-color);
    .nav-links a,
    .nav-links button {
        background: rgba(0, 0, 0, 0.05);
    } /* 半透明背景 */
    backdrop-filter: blur(10px);           /* 毛玻璃效果 */
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    padding: 30px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.logo-sub {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 5px;
}

.nav-links ul {
    list-style: none;
    padding-left: 0;
    flex-grow: 1;
}

.nav-links ul li {
    margin: 12px 0;
}

.nav-links ul li a,
.nav-links ul li button {
    text-decoration: none;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
    padding: 12px 15px;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.nav-links ul li a i,
.nav-links ul li button i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.nav-links ul li a:hover,
.nav-links ul li button:hover {
    transform: translateX(5px);    /* 悬停右移效果 */
    background: rgba(255, 255, 255, 0.3); /* 悬停背景加深 */
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 12px;
    opacity: 0.7;
    text-align: center;
}

/* 主内容区样式 */
.main-content {
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    overflow-y: auto;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 20px 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header .title {
    font-size: 24px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    overflow: hidden;
}

.search-box input {
    border: none;
    background: transparent;
    padding: 10px 15px;
    color: var(--text-color);
    outline: none;
    width: 200px;
}

.search-box input::placeholder {
    color: rgba(0, 0, 0, 0.5); /* 调整为半透明黑色 */
}

.search-box button {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: var(--text-color);
    padding: 10px 15px;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* 图片模块 */
.image-module {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 30px;
    height: 400px;
    box-shadow: var(--shadow);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.image-module:hover .hero-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
}

.image-overlay h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.image-overlay p {
    opacity: 0.9;
}

/* 内容网格 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.content-module {
    background: rgba(255, 255, 255, 0.95);
    h2,
    .content-text,
    .read-more {
        color: var(--text-color);
    }
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.content-module:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.module-icon {
    font-size: 24px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.content-module h2 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
}

.content-text {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.7;
}

.read-more {
    color: var(--text-color);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    transition: var(--transition);
}

.read-more::after {
    content: "→";
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover {
    color: rgba(255, 255, 255, 0.8);
}

.read-more:hover::after {
    margin-left: 10px;
}

/* 搜索页面样式 */
.search-results {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
}

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

.results-header h2 {
    font-size: 22px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr; /* 移动端单列布局 */
    }

    .sidebar {
        height: auto;
        position: relative;
    }

    .main-content {
        padding: 20px;
    }

    .search-box input {
        width: 150px;
    }
}/* ==================== 内容页面专用样式 ==================== */

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
}

.breadcrumb i {
    margin: 0 8px;
    font-size: 12px;
    opacity: 0.6;
}

/* 文章容器 */
.article-container {
    background: rgba(255, 255, 255, 0.95);
    .article-title,
    .article-meta,
    .article-content {
        color: var(--text-color);
    }
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.article-header {
    margin-bottom: 30px;
    text-align: center;
}

.article-title {
    font-size: 32px;
    line-height: 1.3;
    margin-bottom: 15px;
    color: #fff;
}

.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.article-meta i {
    margin-right: 5px;
}

/* 文章图片 */
.article-image {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 10px;
}

/* 文章内容 */
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.article-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #fff;
    position: relative;
    padding-left: 15px;
}

.article-content h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.article-content h3 {
    font-size: 20px;
    margin: 25px 0 10px;
    color: #fff;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content ul, 
.article-content ol {
    margin: 15px 0;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 10px;
}

/* 引用块 */
blockquote {
    border-left: 4px solid var(--secondary-color);
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    margin: 20px 0;
    font-style: italic;
    border-radius: 0 8px 8px 0;
}

/* 提示框 */
.article-tip {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--secondary-color);
    padding: 15px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    display: flex;
    align-items: flex-start;
}

.article-tip i {
    margin-right: 10px;
    font-size: 20px;
    color: var(--secondary-color);
}

/* 表格 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

table th {
    background: rgba(255, 255, 255, 0.2); /* 表头背景色 */
    font-weight: 600; /* 加粗字体 */
}

/* 六顶思考帽 */
.thinking-hats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.hat {
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.hat:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hat i {
    font-size: 24px;
    display: block;
    margin-bottom: 10px;
}

.hat.white i { color: #fff; }
.hat.red i { color: #ff6b6b; }
.hat.black i { color: #333; }
.hat.yellow i { color: #feca57; }
.hat.green i { color: #1dd1a1; }
.hat.blue i { color: #ffffff; }

/* 图片画廊 */
.article-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.article-gallery img {
    border-radius: 8px;
    width: 100%;
    height: auto;
    transition: var(--transition);
    cursor: zoom-in;
}

.article-gallery img:hover {
    transform: scale(1.02);
}

/* 解决方案卡片 */
.solutions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.solution {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 15px;
    transition: var(--transition);
}

.solution:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.solution-icon {
    font-size: 24px;
    margin-right: 15px;
    color: var(--secondary-color);
}

.solution-content h4 {
    margin-bottom: 5px;
    color: #fff;
}

.solution-content p {
    font-size: 14px;
    margin: 0;
    opacity: 0.8;
}

/* 结论部分 */
.article-conclusion {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
    border-left: 4px solid var(--secondary-color);
}

.article-conclusion h3 {
    margin-top: 0;
    color: #fff;
}

/* 文章页脚 */
.article-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-tags {
    margin-bottom: 20px;
}

.article-tags a {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 14px;
    margin-right: 8px;
    margin-bottom: 8px;
    text-decoration: none;
    transition: var(--transition);
}

.article-tags a:hover {
    background: var(--secondary-color);
}

.article-share {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.article-share span {
    margin-right: 10px;
}

.article-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    margin-right: 10px;
    transition: var(--transition);
}

.article-share a:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* 相关文章 */
.section-title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-left: 15px;
}

.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.related-articles {
    margin-bottom: 40px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.related-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-image {
    height: 160px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .related-image img {
    transform: scale(1.05);
}

.related-content {
    padding: 20px;
    transition: height 0.3s ease;
    overflow: hidden;
}

.related-content h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.related-content h3 a {
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.related-content h3 a:hover {
    color: var(--secondary-color);
}

.related-content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
}

.related-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.related-meta i {
    margin-right: 5px;
}

/* 评论区域 */
.comments-section {
    background: rgba(255, 255, 255, 0.95);
    .comment-count,
    .comment-form textarea,
    .like-btn,
    .reply-btn {
        color: var(--text-color);
    }
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
}

.comment-count {
    font-size: 18px;
    color: var(--secondary-color);
}

.comment-form {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
}

.comment-form form {
    flex-grow: 1;
}

.comment-form textarea {
    width: 100%;
    height: 100px;
    padding: 15px;
    border-radius: 8px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    resize: none;
    font-family: inherit;
    transition: var(--transition);
}

.comment-form textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 2px var(--secondary-color);
}

.comment-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.emoji-picker {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: var(--transition);
}

.emoji-picker:hover {
    color: var(--secondary-color);
}

.submit-btn {
    background: var(--secondary-color);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

/* 评论列表 */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comment {
    display: flex;
    gap: 15px;
}

.comment.reply {
    margin-left: 65px;
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-avatar i {
    font-size: 50px;
    color: rgba(255, 255, 255, 0.7);
}

.comment-content {
    flex-grow: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 10px;
}

.comment-author {
    font-weight: 500;
    color: #fff;
}

.comment-time {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.comment-text {
    margin-bottom: 10px;
    line-height: 1.6;
}

.comment-actions {
    display: flex;
    gap: 15px;
}

.like-btn, .reply-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 0;
    font-size: 13px;
    display: flex;
    align-items: center;
}

.like-btn {
    margin-right: 10px;
}

.like-btn:hover {
    color: #4caf50;
}

.like-btn.liked {
    color: #4caf50;
}

.like-btn.liked i {
    font-weight: 900;
}

.reply-btn:hover {
    color: var(--secondary-color);
}

.comment-actions i {
    margin-right: 3px;
}

.view-replies {
    margin-top: 10px;
}

.view-replies a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
}

.view-replies i {
    margin-left: 5px;
    font-size: 12px;
}

/* 加载更多 */
.load-more {
    text-align: center;
    margin-top: 30px;
}

.load-more button {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: none;
    padding: 10px 25px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.load-more button:hover {
    background: var(--secondary-color);
}

.load-more button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.1) !important;
}

/* 表单提示 */
.form-alert {
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 10px;
    font-size: 14px;
    animation: fadeIn 0.3s;
}

.form-alert.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

.form-alert.error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
}

/* 灯箱样式 */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    display: block;
    border-radius: 8px;
}

.lightbox-caption {
    color: #fff;
    text-align: center;
    margin-top: 10px;
    font-size: 16px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    transition: background 0.3s ease;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.4);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* 表情选择器 */
.emoji-container {
    display: none;
    position: fixed;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    flex-wrap: wrap;
    width: 200px;
    gap: 8px;
}

.emoji {
    font-size: 20px;
    cursor: pointer;
    transition: transform 0.2s;
}

.emoji:hover {
    transform: scale(1.2);
}

/* 阅读进度条 */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--secondary-color);
    z-index: 1000;
    transition: width 0.2s ease;
}

/* 文章目录 */
.article-toc {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--secondary-color);
    padding: 15px 20px;
    margin-bottom: 30px;
    border-radius: 0 8px 8px 0;
}

.article-toc h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #fff;
}

.toc-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 8px;
}

.toc-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s;
    display: block;
    padding: 4px 8px;
    border-radius: 4px;
}

.toc-list a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .article-container {
        padding: 20px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-meta {
        gap: 10px;
        font-size: 13px;
    }
    
    .thinking-hats {
        grid-template-columns: 1fr 1fr;
    }
    
    .solutions {
        grid-template-columns: 1fr;
    }
    
    .comment.reply {
        margin-left: 30px;
    }
}

@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .comment-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 24px;
    }
    
    .thinking-hats {
        grid-template-columns: 1fr;
    }
    
    .comment-avatar {
        width: 40px;
        height: 40px;
    }
    
    .comment.reply {
        margin-left: 15px;
    }
    
    .article-toc h3 {
        font-size: 18px;
    }
}