diff --git a/admin/edit.php b/admin/edit.php
index df49738..9d146a6 100644
--- a/admin/edit.php
+++ b/admin/edit.php
@@ -3,168 +3,222 @@ require_once '../includes/auth.php';
 checkLogin();
 
 $id = $_GET['id'] ?? '';
-$config = ['examName' => '', 'message' => '', 'examInfos' => []];
+$config = ['examName' => '', 'message' => '', 'room' => '', 'examInfos' => []];
+
+// Debug: 输出POST数据
+error_log('POST data: ' . print_r($_POST, true));
 
 // 保存逻辑
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     $id = preg_replace('/[^a-zA-Z0-9]/', '', $_POST['id']);
     
     $newConfig = [
-        'examName' => $_POST['examName'],
-        'message' => $_POST['message'],
-        'room' => $_POST['room'],
+        'examName' => $_POST['examName'] ?? '',
+        'message' => $_POST['message'] ?? '',
+        'room' => $_POST['room'] ?? '',
         'examInfos' => []
     ];
     
-    foreach ($_POST['subject'] as $index => $subject) {
-        $newConfig['examInfos'][] = [
-            'name' => $subject,
-            'start' => $_POST['start'][$index],
-            'end' => $_POST['end'][$index]
-        ];
+    // 验证并处理科目数据
+    if (isset($_POST['subject']) && is_array($_POST['subject'])) {
+        foreach ($_POST['subject'] as $index => $subject) {
+            if (!empty($subject) && isset($_POST['start'][$index]) && isset($_POST['end'][$index])) {
+                // 格式化时间为标准格式
+                $startTime = date('Y-m-d\TH:i:s', strtotime($_POST['start'][$index]));
+                $endTime = date('Y-m-d\TH:i:s', strtotime($_POST['end'][$index]));
+                
+                $newConfig['examInfos'][] = [
+                    'name' => $subject,
+                    'start' => $startTime,
+                    'end' => $endTime
+                ];
+            }
+        }
     }
     
-    file_put_contents("../configs/{$id}.json", json_encode($newConfig, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));
-    header('Location: index.php');
-    exit;
+    // Debug: 输出配置数据
+    error_log('Config to save: ' . print_r($newConfig, true));
+    
+    // 保存配置
+    $jsonData = json_encode($newConfig, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+    if ($jsonData === false) {
+        error_log('JSON encode error: ' . json_last_error_msg());
+    } else {
+        $saveResult = file_put_contents("../configs/{$id}.json", $jsonData);
+        if ($saveResult === false) {
+            error_log('File write failed for: ../configs/' . $id . '.json');
+        } else {
+            header('Location: index.php');
+            exit;
+        }
+    }
 }
 
 // 加载现有配置
 if (!empty($id) && file_exists("../configs/{$id}.json")) {
     $config = json_decode(file_get_contents("../configs/{$id}.json"), true);
+    if ($config === null) {
+        error_log('JSON decode error: ' . json_last_error_msg());
+        $config = ['examName' => '', 'message' => '', 'room' => '', 'examInfos' => []];
+    }
 }
 ?>
 <!DOCTYPE html>
 <html>
 <head>
     <title>编辑配置</title>
+    <link rel="stylesheet" href="/assets/css/md3.css">
     <style>
         body {
-            font-family: Arial, sans-serif;
-            background-color: #f2f2f2;
+            background: var(--md-surface);
             margin: 0;
-            padding: 20px;
-            display: flex;
-            justify-content: center;
-            align-items: center;
-            height: 100vh;
+            padding: 24px;
         }
+        
         .container {
-            background-color: #fff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-            width: 500px;
+            max-width: 1200px;
+            margin: 0 auto;
         }
-        .container h3 {
-            margin-top: 0;
+
+        .form-wrapper {
+            display: flex;
+            gap: 24px;
         }
-        .container div {
-            margin-bottom: 15px;
+
+        .form-basic {
+            width: 380px;
+            flex-shrink: 0;
+            height: fit-content;
+            background: var(--md-surface);
+            padding: 24px;
+            border-radius: 16px;
+            box-shadow: var(--md-elevation-1);
         }
-        .container label {
-            display: block;
-            margin-bottom: 5px;
-        }
-        .container input[type="text"],
-        .container input[type="datetime-local"] {
+
+        .form-basic .md3-text-field {
             width: 100%;
-            padding: 8px;
             box-sizing: border-box;
         }
-        .container button {
-            padding: 10px 15px;
-            background-color: #4CAF50;
-            color: white;
-            border: none;
-            border-radius: 4px;
-            cursor: pointer;
+
+        .form-basic .form-group {
+            display: flex;
+            flex-direction: column;
         }
-        .container button:hover {
-            background-color: #45a049;
+
+        .form-basic .md3-label {
+            margin-bottom: 8px;
         }
+
+        .form-subjects {
+            flex-grow: 1;
+            background: var(--md-surface);
+            padding: 24px;
+            border-radius: 16px;
+            box-shadow: var(--md-elevation-1);
+            min-width: 0; /* 防止flex子项溢出 */
+        }
+
         .subject {
-            margin: 10px 0;
-            padding: 10px;
-            border: 1px solid #ccc;
-            border-radius: 4px;
+            background: var(--md-surface-variant);
+            padding: 24px;
+            border-radius: 16px;
+            margin-bottom: 16px;
         }
-        .subject button {
-            background-color: #dc3545;
-            margin-top: 10px;
+
+        .form-group {
+            margin-bottom: 16px;
         }
-        .subject button:hover {
-            background-color: #c82333;
+
+        .form-actions {
+            margin-top: 24px;
+            display: flex;
+            gap: 12px;
+            justify-content: flex-end;
+        }
+
+        h3 {
+            margin-top: 0;
+            color: var(--md-on-surface);
         }
     </style>
+</head>
+<body>
+    <div class="container">
+        <form method="post" id="examForm" class="form-wrapper">
+            <div class="form-basic">
+                <h3>基本信息</h3>
+                <div class="form-group">
+                    <label class="md3-label">配置ID:</label>
+                    <input type="text" name="id" class="md3-text-field" value="<?= htmlspecialchars($id) ?>" required>
+                </div>
+                <div class="form-group">
+                    <label class="md3-label">考试名称:</label>
+                    <input type="text" name="examName" class="md3-text-field" value="<?= htmlspecialchars($config['examName']) ?>" required>
+                </div>
+                <div class="form-group">
+                    <label class="md3-label">考试提示语:</label>
+                    <input type="text" name="message" class="md3-text-field" value="<?= htmlspecialchars($config['message']) ?>">
+                </div>
+                <div class="form-group">
+                    <label class="md3-label">考场号:</label>
+                    <input type="text" name="room" class="md3-text-field" value="<?= htmlspecialchars($config['room'] ?? '') ?>" required>
+                </div>
+                <div class="form-actions">
+                    <button type="submit" class="md3-button">保存配置</button>
+                </div>
+            </div>
+
+            <div class="form-subjects">
+                <h3>考试科目安排</h3>
+                <div id="subjects">
+                    <?php if (!empty($config['examInfos'])): ?>
+                        <?php foreach ($config['examInfos'] as $subject): ?>
+                        <div class="subject">
+                            <div class="form-group">
+                                <label class="md3-label">科目名称:</label>
+                                <input type="text" name="subject[]" class="md3-text-field" value="<?= htmlspecialchars($subject['name']) ?>" required>
+                            </div>
+                            <div class="form-group">
+                                <label class="md3-label">开始时间:</label>
+                                <input type="datetime-local" name="start[]" class="md3-text-field" value="<?= htmlspecialchars($subject['start']) ?>" required>
+                            </div>
+                            <div class="form-group">
+                                <label class="md3-label">结束时间:</label>
+                                <input type="datetime-local" name="end[]" class="md3-text-field" value="<?= htmlspecialchars($subject['end']) ?>" required>
+                            </div>
+                            <button type="button" class="md3-button delete-btn" onclick="this.parentElement.remove()">删除</button>
+                        </div>
+                        <?php endforeach; ?>
+                    <?php endif; ?>
+                </div>
+                <div class="form-actions">
+                    <button type="button" class="md3-button" onclick="addSubject()">添加科目</button>
+                </div>
+            </div>
+        </form>
+    </div>
+    
     <script>
     function addSubject() {
         const container = document.getElementById('subjects');
-        const index = Date.now();
         const html = `
         <div class="subject">
-            <div>
-                <label>科目名称:</label>
-                <input type="text" name="subject[]" required>
+            <div class="form-group">
+                <label class="md3-label">科目名称:</label>
+                <input type="text" name="subject[]" class="md3-text-field" required>
             </div>
-            <div>
-                <label>开始时间:</label>
-                <input type="datetime-local" name="start[]" required>
+            <div class="form-group">
+                <label class="md3-label">开始时间:</label>
+                <input type="datetime-local" name="start[]" class="md3-text-field" required>
             </div>
-            <div>
-                <label>结束时间:</label>
-                <input type="datetime-local" name="end[]" required>
+            <div class="form-group">
+                <label class="md3-label">结束时间:</label>
+                <input type="datetime-local" name="end[]" class="md3-text-field" required>
             </div>
-            <button type="button" onclick="this.parentElement.remove()">删除</button>
+            <button type="button" class="md3-button delete-btn" onclick="this.parentElement.remove()">删除</button>
         </div>`;
         container.insertAdjacentHTML('beforeend', html);
     }
     </script>
-</head>
-<body>
-    <div class="container">
-        <form method="post">
-            <div>
-                <label>配置ID:</label>
-                <input type="text" name="id" value="<?= htmlspecialchars($id) ?>" required>
-            </div>
-            <div>
-                <label>考试名称:</label>
-                <input type="text" name="examName" value="<?= htmlspecialchars($config['examName']) ?>" required>
-            </div>
-            <div>
-                <label>考试提示语:</label>
-                <input type="text" name="message" value="<?= htmlspecialchars($config['message']) ?>">
-            </div>
-            <div>
-                <label>考场号:</label>
-                <input type="text" name="room" value="<?= htmlspecialchars($config['room'] ?? '') ?>" required>
-            </div>
-            
-            <h3>考试科目安排</h3>
-            <div id="subjects">
-                <?php foreach ($config['examInfos'] as $subject): ?>
-                <div class="subject">
-                    <div>
-                        <label>科目名称:</label>
-                        <input type="text" name="subject[]" value="<?= htmlspecialchars($subject['name']) ?>" required>
-                    </div>
-                    <div>
-                        <label>开始时间:</label>
-                        <input type="datetime-local" name="start[]" value="<?= str_replace(' ', 'T', $subject['start']) ?>" required>
-                    </div>
-                    <div>
-                        <label>结束时间:</label>
-                        <input type="datetime-local" name="end[]" value="<?= str_replace(' ', 'T', $subject['end']) ?>" required>
-                    </div>
-                    <button type="button" onclick="this.parentElement.remove()">删除</button>
-                </div>
-                <?php endforeach; ?>
-            </div>
-            <button type="button" onclick="addSubject()">添加科目</button>
-            <hr>
-            <button type="submit">保存配置</button>
-        </form>
-    </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/admin/index.php b/admin/index.php
index 0b3819f..945b8ca 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -24,109 +24,137 @@ uksort($configs, function($a, $b) {
 <html>
 <head>
     <title>配置管理后台</title>
+    <link rel="stylesheet" href="/assets/css/md3.css">
     <style>
         body { 
-            font-family: Arial, sans-serif; 
-            background-color: #f2f2f2; 
+            font-family: Roboto, sans-serif;
+            background: var(--md-surface);
             margin: 0; 
-            padding: 20px; 
+            padding: 24px; 
         }
+
         .header { 
             display: flex; 
             justify-content: space-between; 
             align-items: center; 
             margin-bottom: 20px; 
+            padding: 0 24px;
         }
-        .header h1 { 
-            margin: 0; 
+
+        .content {
+            max-width: 1400px;
+            margin: 0 auto;
+            padding: 0 24px;
         }
-        .add-btn-container {
-            margin-bottom: 20px;
+
+        .grid {
+            display: grid;
+            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+            gap: 24px;
+            margin-top: 24px;
         }
-        table { 
-            border-collapse: collapse; 
-            width: 100%; 
-            background-color: #fff; 
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); 
-            border-radius: 8px; 
-            overflow: hidden; 
+
+        .card {
+            background: var(--md-surface);
+            border-radius: 16px;
+            padding: 24px;
+            box-shadow: var(--md-elevation-1);
+            transition: box-shadow 0.3s ease;
+            display: flex;
+            flex-direction: column;
+            gap: 16px;
         }
-        th, td { 
-            padding: 12px; 
-            text-align: left; 
-            border-bottom: 1px solid #ddd; 
+
+        .card:hover {
+            box-shadow: var(--md-elevation-2);
         }
-        th { 
-            background-color: #f5f5f5; 
+
+        .card-header {
+            display: flex;
+            justify-content: space-between;
+            align-items: flex-start;
         }
-        .actions a { 
-            margin-right: 10px; 
-            color: #007bff; 
-            text-decoration: none; 
+
+        .card-title {
+            font-size: 20px;
+            font-weight: 500;
+            color: var(--md-on-surface);
+            margin: 0;
         }
-        .actions a:hover { 
-            text-decoration: underline; 
+
+        .card-meta {
+            color: var(--md-on-surface-variant);
+            font-size: 14px;
         }
-        .logout { 
-            color: #dc3545; 
+
+        .card-actions {
+            display: flex;
+            gap: 8px;
+            margin-top: auto;
+            padding-top: 16px;
+            border-top: 1px solid var(--md-outline);
         }
-        .add-btn { 
-            background: #28a745; 
-            color: white; 
-            padding: 10px 15px; 
-            border-radius: 4px; 
-            text-decoration: none; 
+
+        .card-actions a {
+            text-decoration: none; /* 添加这一行 */
         }
-        .add-btn:hover { 
-            background: #218838; 
+
+        .add-card {
+            border: 2px dashed var(--md-outline);
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            gap: 12px;
+            cursor: pointer;
+            transition: all 0.3s ease;
+            min-height: 200px;
+            text-decoration: none; /* 添加这一行 */
         }
-        .no-configs { 
-            text-align: center; 
-            padding: 20px; 
-            color: #888; 
+
+        .add-card:hover {
+            border-color: var(--md-primary);
+            background: var(--md-primary-container);
+        }
+
+        .add-icon {
+            font-size: 48px;
+            color: var(--md-primary);
         }
     </style>
 </head>
 <body>
     <div class="header">
         <h1>考试配置管理 <small>当前用户：<?= $_SESSION['username'] ?></small></h1>
-        <a href="login.php?action=logout" class="logout">退出登录</a>
+        <a href="login.php?action=logout" class="md3-button">退出登录</a>
     </div>
 
-    <div class="add-btn-container">
-        <a href="edit.php" class="add-btn">新建配置</a>
-    </div>
-
-    <table>
-        <thead>
-            <tr>
-                <th>配置ID</th>
-                <th>最后修改时间</th>
-                <th>文件大小</th>
-                <th>操作</th>
-            </tr>
-        </thead>
-        <tbody>
-            <?php if(empty($configs)): ?>
-                <tr>
-                    <td colspan="4" class="no-configs">暂无配置文件</td>
-                </tr>
-            <?php else: ?>
+    <div class="content">
+        <div class="grid">
+            <a href="edit.php" class="card add-card">
+                <div class="add-icon">+</div>
+                <span class="card-title">新建配置</span>
+            </a>
+            <?php if(!empty($configs)): ?>
                 <?php foreach($configs as $config): ?>
-                <tr>
-                    <td><?= htmlspecialchars($config['id']) ?></td>
-                    <td><?= $config['mtime'] ?></td>
-                    <td><?= round($config['size']/1024, 2) ?> KB</td>
-                    <td class="actions">
-                        <a href="edit.php?id=<?= urlencode($config['id']) ?>">编辑</a>
-                        <a href="#" onclick="confirmDelete('<?= $config['id'] ?>')">删除</a>
-                        <a href="../get_config.php?id=<?= urlencode($config['id']) ?>" target="_blank">预览</a>
-                    </td>
-                </tr>
+                <div class="card">
+                    <div class="card-header">
+                        <h3 class="card-title"><?= htmlspecialchars($config['id']) ?></h3>
+                    </div>
+                    <div class="card-meta">
+                        最后修改：<?= $config['mtime'] ?><br>
+                        文件大小：<?= round($config['size']/1024, 2) ?> KB
+                    </div>
+                    <div class="card-actions">
+                        <a href="edit.php?id=<?= urlencode($config['id']) ?>" class="md3-button">编辑</a>
+                        <a href="../get_config.php?id=<?= urlencode($config['id']) ?>" class="md3-button" target="_blank">查看</a>
+                        <button class="md3-button" style="background:var(--md-error)" onclick="confirmDelete('<?= $config['id'] ?>')">删除</button>
+                    </div>
+                </div>
                 <?php endforeach; ?>
             <?php endif; ?>
-        </tbody>
-    </table>
+        </div>
+    </div>
 
     <script>
     function confirmDelete(id) {
diff --git a/admin/login.php b/admin/login.php
index 827e0a4..70bb9cf 100644
--- a/admin/login.php
+++ b/admin/login.php
@@ -30,74 +30,73 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 <html>
 <head>
     <title>登录</title>
+    <link rel="stylesheet" href="/assets/css/md3.css">
     <style>
         body {
-            font-family: Arial, sans-serif;
-            background-color: #f2f2f2;
+            background: var(--md-surface);
             display: flex;
             justify-content: center;
             align-items: center;
-            height: 100vh;
+            min-height: 100vh;
             margin: 0;
         }
+        
         .login-container {
-            background-color: #fff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-            width: 300px;
+            background: var(--md-surface);
+            padding: 32px;
+            border-radius: 28px;
+            box-shadow: var(--md-elevation-1);
+            width: 320px;
         }
+
+        .login-container form {
+            display: flex;
+            flex-direction: column;
+            gap: 16px;
+        }
+
+        .login-container .md3-text-field {
+            width: 100%;
+            box-sizing: border-box;
+            margin-bottom: 0;
+        }
+
+        .login-container .md3-button {
+            margin-top: 8px;
+        }
+
         .login-container h2 {
-            margin-top: 0;
+            color: var(--md-on-surface);
+            margin: 0 0 24px;
             text-align: center;
         }
-        .login-container div {
-            margin-bottom: 15px;
-        }
-        .login-container label {
-            display: block;
-            margin-bottom: 5px;
-        }
+
         .login-container input {
             width: 100%;
-            padding: 8px;
-            box-sizing: border-box;
-        }
-        .login-container button {
-            width: 100%;
-            padding: 10px;
-            background-color: #4CAF50;
-            color: white;
-            border: none;
-            border-radius: 4px;
-            cursor: pointer;
-        }
-        .login-container button:hover {
-            background-color: #45a049;
+            margin-bottom: 16px;
         }
+
         .error {
-            color: red;
+            color: var(--md-error);
             text-align: center;
-            margin-bottom: 15px;
+            margin-bottom: 16px;
         }
     </style>
 </head>
 <body>
-    <div class="login-container">
+    <div class="login-container md3-card">
         <h2>登录</h2>
         <?php if (isset($error)): ?>
             <div class="error"><?= $error ?></div>
         <?php endif; ?>
         <form method="post">
-            <div>
-                <label>用户名:</label>
-                <input type="text" name="username" required>
-            </div>
-            <div>
-                <label>密码:</label>
-                <input type="password" name="password" required>
-            </div>
-            <button type="submit">登录</button>
+            <label class="md3-label">用户名:</label>
+            <input type="text" name="username" class="md3-text-field" required>
+            
+            <label class="md3-label">密码:</label>
+            <input type="password" name="password" class="md3-text-field" required>
+            
+            <button type="submit" class="md3-button">登录</button>
         </form>
     </div>
 </body>
diff --git a/assets/css/md3.css b/assets/css/md3.css
new file mode 100644
index 0000000..2a6a827
--- /dev/null
+++ b/assets/css/md3.css
@@ -0,0 +1,75 @@
+:root {
+    /* MD3 Colors - Green Theme */
+    --md-primary: #2e7d32;
+    --md-on-primary: #FFFFFF;
+    --md-primary-container: #b8e6b9;
+    --md-on-primary-container: #005006;
+    --md-secondary: #466c48;
+    --md-on-secondary: #FFFFFF;
+    --md-surface: #fbfdf7;
+    --md-surface-variant: #dde5db;
+    --md-on-surface: #191c18;
+    --md-on-surface-variant: #414942;
+    --md-outline: #727971;
+    --md-error: #be3920;
+    
+    /* Elevation */
+    --md-elevation-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
+    --md-elevation-2: 0 3px 6px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.12);
+}
+
+.md3-text-field {
+    padding: 12px 16px;
+    border-radius: 4px;
+    border: 1px solid var(--md-outline);
+    background: var(--md-surface);
+    color: var(--md-on-surface);
+    font-family: Roboto, sans-serif;
+    font-size: 16px;
+    transition: border-color 0.2s;
+}
+
+.md3-text-field:focus {
+    outline: none;
+    border-color: var(--md-primary);
+}
+
+.md3-button {
+    padding: 10px 24px;
+    border-radius: 20px;
+    border: none;
+    background: var(--md-primary);
+    color: var(--md-on-primary);
+    font-family: Roboto, sans-serif;
+    font-weight: 500;
+    font-size: 14px;
+    text-transform: uppercase;
+    letter-spacing: 0.1px;
+    cursor: pointer;
+    transition: background 0.2s;
+    text-decoration: none; /* 添加这一行 */
+}
+
+.md3-button:hover {
+    background: var(--md-primary-container);
+    color: var(--md-on-primary-container);
+}
+
+.md3-card {
+    background: var(--md-surface);
+    border-radius: 12px;
+    padding: 24px;
+    box-shadow: var(--md-elevation-1);
+    transition: box-shadow 0.2s;
+}
+
+.md3-card:hover {
+    box-shadow: var(--md-elevation-2);
+}
+
+.md3-label {
+    color: var(--md-on-surface-variant);
+    font-size: 14px;
+    font-weight: 500;
+    margin-bottom: 8px;
+}
diff --git a/index.php b/index.php
index 1034def..f4f7202 100644
--- a/index.php
+++ b/index.php
@@ -6,68 +6,74 @@ header('Content-Type: text/html; charset=utf-8');
 <html>
 <head>
     <title>考试看板配置查询</title>
+    <link rel="stylesheet" href="/assets/css/md3.css">
     <style>
         body { 
-            font-family: 'Roboto', Arial, sans-serif;
+            font-family: Roboto, sans-serif;
             margin: 0;
             padding: 0;
-            background: url('background.jpg') no-repeat center center fixed;
-            background-size: cover;
-            color: #333;
+            background: var(--md-surface);
+            color: var(--md-on-surface);
             display: flex;
             justify-content: center;
             align-items: center;
-            height: 100vh;
-            transition: background-color 0.3s ease, color 0.3s ease;
+            min-height: 100vh;
         }
+
         .container { 
-            background-color: rgba(255, 255, 255, 0.9);
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
+            background: var(--md-surface);
+            padding: 32px;
+            border-radius: 28px;
+            box-shadow: var(--md-elevation-1);
             max-width: 600px;
             width: 100%;
-            transition: background-color 0.3s ease, color 0.3s ease;
         }
-        .form-group { 
-            margin-bottom: 15px; 
-        }
-        label { 
-            display: block; 
-            margin-bottom: 5px; 
-            font-weight: bold; 
-            color: #333;
-        }
-        input[type="text"] { 
-            width: 100%; 
-            padding: 10px; 
-            box-sizing: border-box; 
-            border: 1px solid #ccc; 
-            border-radius: 4px; 
-            margin-bottom: 10px;
-        }
-        button { 
-            background: #6200ea; 
-            color: white; 
-            border: none; 
-            padding: 10px 20px; 
-            cursor: pointer; 
-            border-radius: 4px; 
-            transition: background-color 0.3s ease;
-        }
-        button:hover { 
-            background: #3700b3; 
+
+        h1 {
+            color: var(--md-on-surface);
+            font-size: 24px;
+            margin-bottom: 24px;
         }
+
         #result { 
-            margin-top: 20px; 
-            white-space: pre-wrap; 
-            color: #333;
+            margin-top: 24px;
+            padding: 16px;
+            background: var(--md-surface-variant);
+            border-radius: 16px;
+            max-height: 400px;
+            overflow: auto;
         }
+
+        #result pre {
+            margin: 0;
+        }
+
+        /* 定制滚动条样式 */
+        #result::-webkit-scrollbar {
+            width: 8px;
+            height: 8px;
+        }
+
+        #result::-webkit-scrollbar-track {
+            background: var(--md-surface-variant);
+            border-radius: 4px;
+        }
+
+        #result::-webkit-scrollbar-thumb {
+            background: var(--md-outline);
+            border-radius: 4px;
+        }
+
+        #result::-webkit-scrollbar-thumb:hover {
+            background: var(--md-primary);
+        }
+
         .error { 
-            color: red; 
+            color: var(--md-error);
         }
+
         pre {
-            background: #f4f4f4;
+            background: var(--md-surface-variant);
             padding: 10px;
             border-radius: 4px;
             overflow: auto;
@@ -77,50 +83,22 @@ header('Content-Type: text/html; charset=utf-8');
         .boolean { color: blue; }
         .null { color: magenta; }
         .key { color: red; }
-        .theme-toggle {
-            position: absolute;
-            top: 20px;
-            right: 20px;
-            background: #333;
-            color: white;
-            border: none;
-            padding: 10px 20px;
-            cursor: pointer;
-            border-radius: 4px;
-            transition: background-color 0.3s ease, color 0.3s ease;
-        }
-        .dark-theme {
-            background: url('background-dark.jpg') no-repeat center center fixed !important;
-            background-size: cover !important;
-            color: #e0e0e0 !important;
-        }
-        .dark-theme .container {
-            background-color: rgba(50, 50, 50, 0.9) !important;
-        }
-        .dark-theme .theme-toggle {
-            background: #e0e0e0 !important;
-            color: #333 !important;
-        }
-        .dark-theme label {
-            color: #e0e0e0 !important;
-        }
     </style>
 </head>
 <body>
-    <button class="theme-toggle" onclick="toggleTheme()">切换主题</button>
-    <div class="container">
+    <div class="container md3-card">
         <h1>考试看板配置查询</h1>
         <div class="form-group">
-            <label for="configId">输入配置ID：</label>
-            <input type="text" id="configId" placeholder="例如：room301">
-            <button onclick="loadConfig()">获取配置</button>
-            <button id="enterButton" style="display:none;" onclick="enterSchedule()">进入</button>
+            <label class="md3-label" for="configId">输入配置ID：</label>
+            <input type="text" id="configId" class="md3-text-field" placeholder="例如：room301">
+            <button class="md3-button" onclick="loadConfig()">获取配置</button>
+            <button id="enterButton" class="md3-button" style="display:none;" onclick="enterSchedule()">进入</button>
         </div>
         
         <div id="result"></div>
         
         <hr>
-        <p>管理员请前往 <a href="/admin/login.php">管理后台</a></p>
+        <p>管理员请前往 <a href="/admin/login.php" class="md3-button">管理后台</a></p>
     </div>
 
     <script>
@@ -174,38 +152,6 @@ header('Content-Type: text/html; charset=utf-8');
                 return '<span class="' + cls + '">' + match + '</span>';
             });
     }
-
-    function toggleTheme() {
-        const body = document.body;
-        const container = document.querySelector('.container');
-        const themeToggle = document.querySelector('.theme-toggle');
-        if (body.classList.contains('dark-theme')) {
-            body.classList.remove('dark-theme');
-            container.classList.remove('dark-theme');
-            themeToggle.textContent = '切换主题';
-        } else {
-            body.classList.add('dark-theme');
-            container.classList.add('dark-theme');
-            themeToggle.textContent = '切换主题';
-        }
-    }
     </script>
-    <style>
-        .dark-theme {
-            background: url('background-dark.jpg') no-repeat center center fixed !important;
-            background-size: cover !important;
-            color: #e0e0e0 !important;
-        }
-        .dark-theme .container {
-            background-color: rgba(50, 50, 50, 0.9) !important;
-        }
-        .dark-theme .theme-toggle {
-            background: #e0e0e0 !important;
-            color: #333 !important;
-        }
-        .dark-theme label {
-            color: #e0e0e0 !important;
-        }
-    </style>
 </body>
 </html>
\ No newline at end of file
