/* Extracted legacy public page styles from pages/feedback.php. */
/* 页面通用样式 */
        body {
            background-color: #f7f8fa;
            color: #333;
            font-family: Arial, sans-serif;
        }
        .container {
            max-width: 800px;
            margin: 30px auto;
            padding: 20px;
            background: #ffffff;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        .styled-title {
            text-align: center;
            font-size: 2rem;
            color: #007bff;
            margin-bottom: 20px;
        }
        .styled-title.warning {
            color: #e63946;
        }
        .styled-subtitle {
            font-size: 1.5rem;
            color: #38a169;
            margin-bottom: 15px;
        }
        .content-section {
            background: #f1f1f1;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }
        /* 表单样式 */
        .form-control {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-bottom: 15px;
            box-sizing: border-box;
        }
        .btn-submit {
            display: inline-block;
            background-color: #007bff;
            color: #ffffff;
            padding: 10px 15px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .btn-submit:hover {
            background-color: #0056b3;
        }
        .back-link {
            margin-top: 20px;
            text-align: center;
        }