/* ==============================================
  文章全局统一样式 V1.0
  适配：PC + 移动端
  全局样式统一class全元素标准化
  适用场景：资讯页面、图文页面、教学页面、详情页面
============================================== */

/*容器 - 全局最外层包裹*/
.article-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 0px;
    font-family: "Microsoft Yahei", PingFangSC, SimHei, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
    box-sizing: border-box;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .article-wrap {
        padding: 20px 15px;
        font-size: 15px;
    }
}

/* ==============================================
  1.标题样式 H1-H6 层级规范，SEO友好
============================================== */
.article-wrap h1.article-h1 {
    font-size: 32px;
    font-weight: 700;
    color: #111;
    margin: 0 0 24px 0;
    line-height: 1.4;
    border-left: 4px solid #2563eb;
    padding-left: 12px;
}

.article-wrap h2.article-h2 {
    font-size: 26px;
    font-weight: 600;
    color: #222;
    margin: 36px 0 18px 0;
    line-height: 1.5;
}

.article-wrap h3.article-h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin: 30px 0 16px 0;
    line-height: 1.5;
}

.article-wrap h4.article-h4 {
    font-size: 20px;
    font-weight: 500;
    color: #444;
    margin: 24px 0 12px 0;
    line-height: 1.6;
}

.article-wrap h5.article-h5 {
    font-size: 18px;
    font-weight: 500;
    color: #555;
    margin: 20px 0 10px 0;
    line-height: 1.6;
}

.article-wrap h6.article-h6 {
    font-size: 16px;
    font-weight: 500;
    color: #666;
    margin: 18px 0 8px 0;
    line-height: 1.6;
}

/* 移动端标题适配 */
@media screen and (max-width: 768px) {
    .article-wrap h1.article-h1 { font-size: 24px; }
    .article-wrap h2.article-h2 { font-size: 22px; }
    .article-wrap h3.article-h3 { font-size: 20px; }
    .article-wrap h4.article-h4 { font-size: 18px; }
    .article-wrap h5.article-h5,
    .article-wrap h6.article-h6 { font-size: 16px; }
}

/* ==============================================
  2.段落样式
============================================== */
.article-wrap p.article-p {
    font-size: 16px;
    color: #333;
    line-height: 1.9;
    margin: 0 0 16px 0;
    text-align: justify;
}

/* 移动端段落适配 */
@media screen and (max-width: 768px) {
    .article-wrap p.article-p {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 14px;
    }
}

/* ==============================================
  3. 字体统一class自定义辅助样式
  提供多档字体，满足用户自定义字号
============================================== */
.article-wrap .font-12 { font-size: 12px !important; }
.article-wrap .font-14 { font-size: 14px !important; }
.article-wrap .font-16 { font-size: 16px !important; }
.article-wrap .font-18 { font-size: 18px !important; }
.article-wrap .font-20 { font-size: 20px !important; }

/* 移动端字体适配 */
@media screen and (max-width: 768px) {
    .article-wrap .font-12 { font-size: 12px !important; }
    .article-wrap .font-14 { font-size: 13px !important; }
    .article-wrap .font-16 { font-size: 15px !important; }
    .article-wrap .font-18 { font-size: 17px !important; }
    .article-wrap .font-20 { font-size: 18px !important; }
}

/* ==============================================
  4. 文本样式 加粗、下划线、删除线、高亮
============================================== */
/* 加粗 */
.article-wrap .text-bold {
    font-weight: 700;
    color: #111;
}

/* 下划线 */
.article-wrap .text-underline {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* 删除线 */
.article-wrap .text-del {
    text-decoration: line-through;
    color: #888;
}

/* 文字高亮 */
.article-wrap .text-highlight {
    background-color: #fff7e6;
    padding: 2px 6px;
    border-radius: 3px;
}

/* ==============================================
  5. 图片样式 - 确保图片不超过容器宽度
============================================== */
.article-wrap img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 6px;
    box-sizing: border-box;
}

.article-wrap img:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 图片对齐 */
.article-wrap img.align-left {
    float: left;
    margin-right: 20px;
    max-width: 50%;
}

.article-wrap img.align-right {
    float: right;
    margin-left: 20px;
    max-width: 50%;
}

.article-wrap img.align-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* 移动端图片适配 */
@media screen and (max-width: 768px) {
    .article-wrap img {
        margin: 15px auto;
        border-radius: 4px;
    }
    
    .article-wrap img.align-left,
    .article-wrap img.align-right {
        float: none;
        max-width: 100%;
        margin: 15px auto;
    }
}

/* ==============================================
  6. 列表样式
============================================== */
.article-wrap ul,
.article-wrap ol {
    margin: 16px 0;
    padding-left: 28px;
}

.article-wrap ul li,
.article-wrap ol li {
    margin: 8px 0;
    line-height: 1.8;
    color: #333;
}

.article-wrap ul {
    list-style-type: disc;
}

.article-wrap ol {
    list-style-type: decimal;
}

/* 移动端列表适配 */
@media screen and (max-width: 768px) {
    .article-wrap ul,
    .article-wrap ol {
        padding-left: 22px;
    }
}

/* ==============================================
  7. 引用样式
============================================== */
.article-wrap blockquote {
    border-left: 4px solid #2563eb;
    padding: 16px 20px;
    margin: 20px 0;
    background-color: #f8fafc;
    color: #475569;
    font-style: italic;
    border-radius: 0 6px 6px 0;
}

.article-wrap blockquote p {
    margin: 0;
}

/* ==============================================
  8. 分割线
============================================== */
.article-wrap hr {
    border: none;
    border-top: 1px solid #e2e8f0;
    margin: 32px 0;
}

/* ==============================================
  9. 链接样式
============================================== */
.article-wrap a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-wrap a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* ==============================================
  10. 表格样式
============================================== */
.article-wrap table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.article-wrap table th,
.article-wrap table td {
    border: 1px solid #e2e8f0;
    padding: 12px 16px;
    text-align: left;
}

.article-wrap table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #334155;
}

.article-wrap table tr:hover {
    background-color: #f1f5f9;
}

/* 移动端表格适配 */
@media screen and (max-width: 768px) {
    .article-wrap table {
        font-size: 13px;
    }
    
    .article-wrap table th,
    .article-wrap table td {
        padding: 8px 10px;
    }
}

/* ==============================================
  11. 代码样式
============================================== */
.article-wrap code {
    background-color: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: Consolas, Monaco, monospace;
    font-size: 14px;
    color: #dc2626;
}

.article-wrap pre {
    background-color: #1e293b;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 20px 0;
}

.article-wrap pre code {
    background-color: transparent;
    padding: 0;
    color: #e2e8f0;
    font-size: 14px;
}

/* ==============================================
  12. 通用标签样式（兼容现有HTML）
============================================== */
.article-wrap h1,
.article-wrap h2,
.article-wrap h3,
.article-wrap h4,
.article-wrap h5,
.article-wrap h6 {
    margin: 24px 0 12px 0;
    line-height: 1.5;
    color: #111;
}

.article-wrap p {
    margin: 0 0 16px 0;
    line-height: 1.8;
}

.article-wrap strong {
    font-weight: 600;
    color: #111;
}

.article-wrap em {
    font-style: italic;
}

/* ==============================================
  13. 颜色样式 color
============================================== */
.article-wrap .color-1f2937 { color: #1f2937 !important; }
.article-wrap .color-6b7280 { color: #6b7280 !important; }
.article-wrap .color-dc2626 { color: #dc2626 !important; }
.article-wrap .color-ea580c { color: #ea580c !important; }
.article-wrap .color-ca8a04 { color: #ca8a04 !important; }
.article-wrap .color-16a34a { color: #16a34a !important; }
.article-wrap .color-0891b2 { color: #0891b2 !important; }
.article-wrap .color-2563eb { color: #2563eb !important; }
.article-wrap .color-7c3aed { color: #7c3aed !important; }
.article-wrap .color-db2777 { color: #db2777 !important; }
.article-wrap .color-667eea { color: #667eea !important; }
.article-wrap .color-ffffff { color: #ffffff !important; }

/* ==============================================
  14. 对齐样式 align
============================================== */
.article-wrap .text-center { text-align: center !important; }
.article-wrap .text-left { text-align: left !important; }
.article-wrap .text-right { text-align: right !important; }