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styles.css

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+/* 基础样式 */
+body {
+    font-family: Arial, sans-serif;
+    background-color: #f0f8ff; /* 淡蓝色背景 */
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+    margin: 0;
+    padding: 0;
+}
+
+/* 容器样式 */
+.container {
+    max-width: 600px;
+    margin: auto;
+    padding: 20px;
+    border: 1px solid #ccc;
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+/* 标题样式 */
+h1 {
+    text-align: center;
+    font-size: 28px;
+    margin-bottom: 20px;
+}
+
+/* 表格样式 */
+table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-bottom: 20px;
+}
+
+th, td {
+    border: 1px solid #ddd;
+    padding: 8px;
+    text-align: center;
+}
+
+th {
+    background-color: #f2f2f2;
+}
+
+/* 按钮样式 */
+button, .btn {
+    display: block;
+    margin: 20px auto;
+    background-color: #4CAF50;
+    color: white;
+    padding: 10px 20px;
+    border-radius: 5px;
+    border: none;
+    text-decoration: none;
+    font-size: 16px;
+    text-align: center;
+    transition: background-color 0.3s ease;
+    cursor: pointer;
+}
+
+button:hover, .btn:hover {
+    background-color: #45a049;
+}
+
+/* 按钮组 */
+.button-group {
+    display: flex;
+    justify-content: space-around;
+}
+
+/* 居中显示 */
+p {
+    font-size: 18px;
+    text-align: center;
+    margin-bottom: 15px;
+}