.article{width:875px;margin:auto}.article img{width:90%}.article-date{text-align:center;color:#999;font-size:12px}.article-content{margin-top:20px}.article-header{text-align:center;line-height:32px;font-size:24px;margin-bottom:15px}.detail-header{border-bottom:1px solid #e1e1e1;padding-bottom:10px;margin-bottom:10px;font-size:16px;color:#30a5ff}.detail-header .txt{cursor:pointer}.detail-header i{font-size:20px;font-weight:700;vertical-align:middle}