<script> $(function(){ /* 头图 */ var page = document.querySelector("body"); if (page.classList.contains('page-首页')) { var mwBody = document.getElementById('content'); var newDiv = document.createElement('div'); newDiv.setAttribute('class', 'header-image'); newDiv.innerHTML = '<div class="header-image" style="background-image: linear-gradient(to top, var(--color-surface-0), transparent 50%), url(https://image.knebulae.com/data/6MI.png);background-size: cover;background-position: top;height: 36vh;margin-bottom: -37vh;"></div>'; mwBody.parentNode.insertBefore(newDiv, mwBody); } }()); </script>