:root {
            --primary-color: #3498db;
            --primary-hover: #2980b9;
            --danger-color: #e74c3c;
            --danger-hover: #c0392b;
            --text-color: #333;
            --bg-color: #f5f5f5;
            --card-bg: white;
            --border-radius: 10px;
            --box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Microsoft YaHei', sans-serif;
            text-align: center;
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            line-height: 1.6;
        }

        .container {
            width: 100%;
            max-width: 800px;
            margin: 20px auto;
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        h1 {
            color: var(--text-color);
            margin-bottom: 1.5rem;
            font-size: clamp(1.5rem, 4vw, 2rem);
        }

        .name-display {
            font-size: clamp(2rem, 8vw, 3rem);
            font-weight: bold;
            min-height: 4rem;
            line-height: 1.2;
            margin: 2rem 0;
            padding: 1rem;
            color: var(--danger-color);
            background-color: #f9f9f9;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            word-break: break-word;
        }

        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            margin: 0.5rem;
            transition: var(--transition);
            min-width: 120px;
        }

        .btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }

        .btn-stop {
            background-color: var(--danger-color);
        }

        .btn-stop:hover {
            background-color: var(--danger-hover);
        }

        textarea {
            width: 100%;
            min-height: 100px;
            margin: 1rem 0;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            resize: vertical;
            font-family: inherit;
            font-size: 1rem;
        }

        .settings {
            margin: 1.5rem 0;
            text-align: left;
        }

        .settings h3 {
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .history {
            margin-top: 2rem;
            text-align: left;
        }

        .history h3 {
            border-bottom: 1px solid #eee;
            padding-bottom: 0.5rem;
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .history-list {
            max-height: 150px;
            overflow-y: auto;
            padding: 0.5rem;
        }

        .history-list p {
            margin: 0.25rem 0;
            padding: 0.25rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .container {
                padding: 1.5rem;
            }
            
            .btn {
                width: 100%;
                margin: 0.5rem 0;
            }
            
            .name-display {
                font-size: clamp(1.5rem, 6vw, 2.5rem);
                min-height: 3.5rem;
                padding: 0.75rem;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 10px;
            }
            
            .container {
                padding: 1rem;
            }
            
            .settings, .history {
                padding: 0;
            }
        }