chore: 初始化 Hugo 博客项目

Hextra 主题，8 篇文章，支持全文搜索/暗色模式
2026-05-13 12:48:53 +08:00
commit 07851043b1
624 changed files with 48007 additions and 0 deletions
@@ -0,0 +1,26 @@
+// Back to top button
+
+document.addEventListener("DOMContentLoaded", function () {
+  const backToTop = document.querySelector("#backToTop");
+  if (backToTop) {
+    backToTop.addEventListener("click", scrollUp);
+    document.addEventListener("scroll", (e) => {
+      if (window.scrollY > 300) {
+        backToTop.classList.remove("hx:opacity-0");
+        backToTop.removeAttribute("tabindex");
+      } else {
+        backToTop.classList.add("hx:opacity-0");
+        backToTop.setAttribute("tabindex", "-1");
+      }
+    });
+  }
+});
+
+function scrollUp() {
+  const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
+  window.scroll({
+    top: 0,
+    left: 0,
+    behavior: prefersReducedMotion ? 'auto' : 'smooth',
+  });
+}