/* 帮助中心-分类侧栏 */
.help-side { background: #fff; border: 1px solid #EBEEF5; border-radius: 4px; overflow: hidden; }
.help-side h4 { margin: 0; padding: 14px 18px; font-size: 16px; color: #303133; background: #f5f7fa; border-bottom: 1px solid #EBEEF5; }
.help-side ul { margin: 0; padding: 0; list-style: none; }
.help-side li { border-bottom: 1px solid #EBEEF5; }
.help-side li:last-child { border-bottom: 0; }
.help-side li a { display: block; padding: 11px 18px; font-size: 14px; color: #606266; text-decoration: none; }
.help-side li a:hover { color: #409EFF; background: #ecf5ff; }
.help-side li.active a { color: #409EFF; background: #ecf5ff; border-left: 3px solid #409EFF; padding-left: 15px; }

/* 帮助中心-文章列表 */
.help-main { background: #fff; border: 1px solid #EBEEF5; border-radius: 4px; padding: 20px 24px; min-height: 300px; }
.help-list { display: flex; flex-wrap: wrap; }
.help-link { display: block; width: 50%; box-sizing: border-box; padding: 10px 8px; font-size: 14px; color: #606266; text-decoration: none; border-bottom: 1px dashed #EBEEF5; }
.help-link:hover { color: #409EFF; }

/* 帮助详情 */
.help-detail { background: #fff; border: 1px solid #EBEEF5; border-radius: 4px; padding: 28px 30px; }
.help-bread { margin-bottom: 14px; font-size: 12px; color: #909399; }
.help-bread a { color: #909399; text-decoration: none; }
.help-bread a:hover { color: #409EFF; }
.help-bread span { margin: 0 6px; }
.help-bread em { color: #303133; font-style: normal; }
.help-title { margin: 0 0 18px; font-size: 22px; font-weight: 600; color: #303133; line-height: 1.4; padding-bottom: 16px; border-bottom: 1px solid #EBEEF5; }
.help-content { font-size: 15px; color: #303133; line-height: 1.9; word-break: break-all; }
.help-content p { margin-bottom: 16px; }
.help-content img { max-width: 100%; height: auto; margin: 10px 0; }
.help-foot { margin-top: 30px; padding-top: 16px; border-top: 1px solid #EBEEF5; font-size: 12px; color: #C0C4CC; }

@media (max-width: 768px) {
  .help-detail { padding: 16px; }
  .help-title { font-size: 18px; }
  .help-link { width: 100%; }
}