/* 钢结构官网 商务文章排版 无版权字体+全文靠左+表格靠左 替换新配色 */
.article-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    background-color: #ffffff;
    max-width: 900px;
    margin: 0;
/*    padding: 30px 25px;*/
    text-align: left;
}

/* 正文段落 */
.article-wrap p {
    margin: 0 0 0.5em 0;
    text-align: left;
    letter-spacing: 0.5px;
    color: #444444;
}

/* 一级标题 */
.article-wrap h1 {
    font-size: 30px;
    font-weight: 600;
    color: #1a2330;
    text-align: left;
    margin: 0 0 30px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid #232e3b;
    line-height: 1.4;
}

/* 二级标题 */
.article-wrap h2 {
    font-size: 22px;
    font-weight: 600;
    color: #232e3b;
    margin: 2em 0 1em 0;
    padding-left: 12px;
    border-left: 4px solid #232e3b;
    line-height: 1.3;
    text-align: left;
}

/* 三级标题 */
.article-wrap h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a2330;
    margin: 1.5em 0 0.8em 0;
    text-align: left;
}

/* 列表 */
.article-wrap ul,
.article-wrap ol {
    margin: 1em 0 1.5em 0;
    padding-left: 25px;
}
.article-wrap ul li,
.article-wrap ol li {
    margin: 0.6em 0;
    color: #444;
}

/* 引用块 */
.article-wrap blockquote {
    margin: 1.5em 0;
    padding: 15px 20px;
    background: #f5f7fa;
    border-left: 4px solid #64748b;
    color: #555;
    font-size: 15px;
    text-align: left;
}

/* 图片 */
.article-wrap img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* 分割线 */
.article-wrap hr {
    border: 0;
    height: 1px;
    background: #d1d9e6;
    margin: 30px 0;
}

/* 强调文字 */
.article-wrap strong {
    color: #232e3b;
    font-weight: 600;
}

/* 链接 */
.article-wrap a {
    color: #232e3b;
    text-decoration: none;
}
.article-wrap a:hover {
    color: #111820;
    text-decoration: underline;
}

/* 表格 整体靠左 + 单元格全部靠左 */
.article-wrap table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.8em 0;
    font-size: 15px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-left: 0;
    margin-right: auto;
}
.article-wrap th {
    background: #2c5282;
    color: #fff;
    text-align: left;
    padding: 12px 10px;
    border: 1px solid #d1d9e6;
}
.article-wrap td {
    padding: 10px;
    text-align: left;
    border: 1px solid #d1d9e6;
}
.article-wrap tr:nth-child(even) {
    background: #f7f9fc;
}
.article-wrap tr:hover {
    background: #edf2f7;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .article-wrap {
        padding: 20px 15px;
        font-size: 15px;
    }
    .article-wrap h1 { font-size: 24px; }
    .article-wrap h2 { font-size: 20px; }
}