.ua-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
        }

        /* 基础信息展示 */
        .ua-base-info {
            width: 100%;
            background: #e3f2fd;
            padding: 1rem 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            font-size: 1rem;
            color: #1a2533;
            text-align: center;
            border: 1px solid #bbdefb;
        }

        /* 小标题样式 */
        .section-title {
            width: 100%;
            font-size: 1.1rem;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 1rem;
            text-align: left;
        }

        /* UA文本域 */
        .ua-textarea {
            width: 100%;
            min-height: 180px;
            padding: 1.2rem;
            border: 2px solid #e0e6ed;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            resize: vertical;
            transition: all 0.2s ease;
            line-height: 1.6;
            background-color: #f8fafc;
            margin-bottom: 1.8rem;
            font-family: monospace;
        }

        .ua-textarea:focus {
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
            background-color: #fff;
        }

        /* 按钮组 */
        .btn-group {
            display: flex;
            justify-content: center;
            width: 100%;
        }

        .action-btn {
            padding: 0.9rem 2.5rem;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.25s ease;
            box-shadow: 0 4px 8px rgba(0,0,0,0.08);
        }

        #copyBtn {
            background: linear-gradient(135deg, #27ae60 0%, #219653 100%);
            color: white;
        }

        #copyBtn:hover {
            background: linear-gradient(135deg, #219653 0%, #1e874b 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.12);
        }

        #copyBtn:active {
            transform: translateY(0);
            box-shadow: 0 4px 8px rgba(0,0,0,0.08);
        }

        /* 工具专属移动端适配 */
        @media (max-width: 768px) {

            .ua-base-info {
                font-size: 0.95rem;
                padding: 0.8rem 1rem;
            }
            .ua-textarea {
                min-height: 140px;
                font-size: 0.95rem;
                padding: 1rem;
            }
            .action-btn {
                width: 100%;
                padding: 0.8rem 1rem;
            }
        }