const sections = document.querySelectorAll('h2[id]');
if (pageYOffset >= sectionTop - 150) {
跳出率分析
/* 段落之间分隔 */
/* 引用块样式 */
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
if (link.getAttribute('href').includes(current)) {
background: linear-gradient(to bottom, #3b82f6, #2563eb);
font-size: 1.75rem;
sections.forEach(section => {
-->
#掌握百度搜索引擎优化教程多站点爬虫诱饵搭建的策略要点