小修小补

css/footer.css

@@ -2,10 +2,10 @@
 footer {
     background-color: rgba(51, 51, 51, 0.5); /* 半透明背景 */
     color: white;
-    padding: 0px;
     display: flex;
     justify-content: center;
     align-items: center;
+    padding: 0px;
     position: fixed;
     left: 0;
     right: 0;

css/header.css

@@ -35,6 +35,7 @@ header .toggle-menu:hover {
 #fullscreen-button {
     position: absolute;
     right: 16px;
+    top: 0px;
     background: none;
     border: none;
     cursor: pointer;
@@ -78,6 +79,7 @@ header .toggle-menu:hover {
 
 #logo_head {
     font-family: 'Pacifico', cursive; /* 使用本地字体 Pacifico */
+    margin: 0;
     padding-left: 10px;
     text-align: left;
     font-size: 32px;