Create styles.css

styles.css

@@ -0,0 +1,46 @@
+body {
+    font-family: Arial, sans-serif;
+    background-color: #f4f4f4;
+    margin: 0;
+    padding: 0;
+}
+
+.container {
+    max-width: 800px;
+    margin: 50px auto;
+    padding: 20px;
+    background: white;
+    border-radius: 10px;
+    box-shadow: 0 0 10px rgba(0,0,0,0.1);
+}
+
+.page {
+    display: none; /* 隐藏所有页面 */
+}
+
+.page.active {
+    display: block; /* 仅显示活动页面 */
+}
+
+h1 {
+    color: #333;
+}
+
+p, ul, ol {
+    line-height: 1.6;
+}
+
+button {
+    margin-top: 20px;
+    padding: 10px 15px;
+    border: none;
+    background-color: #5cb85c;
+    color: white;
+    cursor: pointer;
+    border-radius: 5px;
+    font-size: 16px;
+}
+
+button:hover {
+    background-color: #4cae4c;
+}