/* ===== 全局容器 ===== */
.article-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 20px 16px;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    word-break: break-word;
}

/* ===== 标题 ===== */
.article-content h2 {
    font-size: 22px;
    margin: 28px 0 14px;
    padding-left: 12px;
    border-left: 4px solid #2f6fed;
    font-weight: 700;
    color: #111;
}

.article-content h3 {
    font-size: 18px;
    margin: 20px 0 10px;
    font-weight: 600;
    color: #222;
}

/* ===== 段落 ===== */
.article-content p {
    margin: 12px 0;
    color: #444;
}

/* ===== 加粗关键词 ===== */
.article-content strong {
    color: #111;
    font-weight: 600;
}

/* ===== 列表 ===== */
.article-content ul,
.article-content ol {
    margin: 12px 0 12px 20px;
    padding: 0;
}

.article-content li {
    margin-bottom: 8px;
}

/* ===== 表格（重点优化） ===== */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.article-content th {
    background: #f5f7fa;
    font-weight: 600;
}

.article-content th,
.article-content td {
    border: 1px solid #e5e5e5;
    padding: 10px;
    text-align: left;
}

/* ===== 链接 ===== */
.article-content a {
    color: #2f6fed;
    text-decoration: none;
}

.article-content a:hover {
    text-decoration: underline;
}

/* ===== 引导块（可用于总结/重点） ===== */
.article-highlight {
    background: #f0f4ff;
    border-left: 4px solid #2f6fed;
    padding: 12px;
    margin: 16px 0;
    font-size: 15px;
}

/* ===== 分割线 ===== */
.article-content hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 24px 0;
}

/* ===== 移动端优化 ===== */
@media (max-width: 768px) {
    .article-content {
        font-size: 15px;
        padding: 16px 12px;
    }

    .article-content h2 {
        font-size: 20px;
    }

    .article-content table {
        font-size: 13px;
    }
}