/* 全局樣式設定 */
        :root {
            --primary-color: #00bfa5; /* 醫療綠 */
            --secondary-color: #f5f5f5;
            --text-color: #333;
            --whatsapp-color: #25D366;
        }

        body {
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f9f9f9;
            color: var(--text-color);
            line-height: 1.6;
        }

        /* 容器樣式 */
        .container {
            max-width: 600px;
            margin: 20px auto;
            background: #fff;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            border-radius: 8px;
        }

        /* 標題區域 */
        header {
            text-align: center;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 15px;
            margin-bottom: 20px;
        }

        h1 {
            font-size: 1.5rem;
            color: #333;
            margin-bottom: 10px;
        }

        .subtitle {
            font-size: 0.9rem;
            color: #666;
        }

        .info-box {
            background-color: #e0f2f1;
            padding: 10px;
            border-radius: 5px;
            margin: 10px 0;
            font-size: 0.9rem;
        }

        /* 表單樣式 */
        .form-group {
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #eee; /* 增加分隔線讓區塊更清楚 */
        }
        
        .form-group:last-child {
            border-bottom: none;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            color: #444;
        }
        
        /* 次級標籤樣式 */
        .sub-label-title {
            display: block;
            font-size: 0.95rem;
            color: #555;
            margin-top: 10px;
            margin-bottom: 5px;
            font-weight: bold;
        }

        .sub-label {
            font-size: 0.9rem;
            font-weight: normal;
            color: #666;
        }

        /* 選項按鈕樣式 */
        .radio-group {
            display: flex;
            gap: 15px;
        }

        .radio-option {
            display: flex;
            align-items: center;
            cursor: pointer;
            padding: 10px 20px;
            border: 1px solid #ddd;
            border-radius: 5px;
            transition: all 0.3s;
            flex: 1;
        }

        .radio-option:hover {
            background-color: #f0f0f0;
        }

        input[type="radio"] {
            margin-right: 10px;
            transform: scale(1.2);
        }

        select, input[type="text"] {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            box-sizing: border-box;
            background-color: #fff;
        }

        /* 時間選擇器佈局 */
        .time-selector {
            display: flex;
            gap: 10px;
            margin-bottom: 10px;
        }
        
        .time-selector select {
            flex: 1;
        }

        /* 確認框 */
        .checkbox-group {
            display: flex;
            align-items: flex-start;
            font-size: 0.9rem;
            margin-top: 10px;
        }
        
        .checkbox-group input {
            margin-top: 5px;
            margin-right: 10px;
        }

        /* 按鈕樣式 */
        .btn-whatsapp {
            display: block;
            width: 100%;
            background-color: var(--whatsapp-color);
            color: white;
            padding: 15px;
            border: none;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            text-align: center;
            text-decoration: none;
            transition: background 0.3s;
            margin-top: 20px;
        }

        .btn-whatsapp:hover {
            background-color: #1ebe57;
        }

        /* 頁腳 */
        footer {
            text-align: center;
            font-size: 0.8rem;
            color: #888;
            margin-top: 30px;
            border-top: 1px solid #eee;
            padding-top: 20px;
        }

        /* 手機版自適應優化 */
        @media (max-width: 480px) {
            .container {
                margin: 0;
                border-radius: 0;
                padding: 15px;
            }
            
            h1 {
                font-size: 1.3rem;
            }

            .radio-group {
                flex-direction: column;
                gap: 10px;
            }
        }