added：昼夜模式，毛玻璃特效

themes/Ying/static/js/main.js

@@ -145,4 +145,72 @@ function flattenComments(comments) {
 // 调用异步的弹幕加载函数
 if (document.querySelector("#Comments") && !isMobile()) {
   loadBarrager()
-}
+}
+
+function getCurrentTheme() {
+  var theme = document.documentElement.getAttribute('data-theme');
+  if (!theme) {
+    theme = 'light';
+  }
+  return theme;
+}
+
+function applyTheme(theme) {
+  document.documentElement.setAttribute('data-theme', theme);
+  try {
+    localStorage.setItem('theme', theme);
+  } catch (e) {}
+}
+
+function updateThemeToggle(theme) {
+  var button = document.getElementById('theme-toggle');
+  if (theme === 'dark') {
+    if (button) {
+      button.textContent = '日间';
+    }
+  } else {
+    if (button) {
+      button.textContent = '夜间';
+    }
+  }
+}
+
+function toggleTheme() {
+  var current = getCurrentTheme();
+  var next = current === 'dark' ? 'light' : 'dark';
+  applyTheme(next);
+  updateThemeToggle(next);
+  if (window.Artalk && window.Artalk.get) {
+    try {
+      var ctx = Artalk.get('#Comments');
+      if (ctx && ctx.setDarkMode) {
+        ctx.setDarkMode(next === 'dark');
+      }
+    } catch (e) {}
+  }
+}
+
+document.addEventListener('DOMContentLoaded', function () {
+  var theme = getCurrentTheme();
+  updateThemeToggle(theme);
+  var button = document.getElementById('theme-toggle');
+  if (button) {
+    button.addEventListener('click', toggleTheme);
+  }
+  var avatarWrapper = document.querySelector('.head_author_img');
+  var avatarTip = document.querySelector('.avatar-theme-tip');
+  if (avatarWrapper) {
+    avatarWrapper.style.cursor = 'pointer';
+    avatarWrapper.addEventListener('click', toggleTheme);
+  }
+  if (avatarTip) {
+    avatarTip.classList.add('is-visible');
+    var hideOnce = function () {
+      avatarTip.classList.add('is-hidden');
+    };
+    setTimeout(hideOnce, 9000);
+    if (avatarWrapper) {
+      avatarWrapper.addEventListener('click', hideOnce);
+    }
+  }
+});