/* --- 全局极致紧凑、宽屏扁平化版式 --- */
        .uee-voice-tech-section {
            font-family: 'Inter', -apple-system, sans-serif;
            background-color: #ffffff;
            padding: 60px 0;
            color: #111827;
            text-align: center;
        }

        .uee-container {
            width: 92%;
            max-width: 1300px;
            margin: 0 auto;
        }

        /* 1. 顶部标题区域 */
        .uee-header {
            margin-bottom: 50px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .uee-header h2 {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.05;
            letter-spacing: -2.2px;
            margin: 0 0 15px 0;
            color: #0B1221;
        }

        .uee-header p {
            font-size: 18px;
            color: #64748b;
            line-height: 1.45;
            max-width: 900px; /* 扁平化宽度 */
            margin: 0 auto;
        }

        /* 2. 2x2 功能网格 */
        .uee-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .uee-card {
            background: #ffffff;
            border: 1px solid #f1f5f9;
            border-radius: 24px;
            padding: 40px;
            text-align: left;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
        }

        /* 小标签样式 */
        .uee-card-tag {
            font-size: 11px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tag-teal { color: #56B8B8; }
        .tag-orange { color: #FF8022; }

        .uee-card h3 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.1;
            margin: 0 0 12px 0;
            color: #0B1221;
        }

        .uee-card-desc {
            font-size: 15px;
            color: #64748b;
            line-height: 1.45;
            margin-bottom: 30px;
        }

        /* --- 内部 UI 模拟组件 --- */
        .uee-mock-ui {
            background-color: #f8fafc;
            border-radius: 16px;
            padding: 20px;
            border: 1px solid #f1f5f9;
            flex-grow: 1;
        }

        /* Card 1: 核心矩阵 */
        .matrix-flow { display: flex; gap: 10px; justify-content: space-between; margin-bottom: 15px; }
        .node-box { background: #fff; padding: 10px; border-radius: 8px; border: 1px solid #e2e8f0; flex: 1; text-align: center; }
        .node-box span { display: block; font-size: 8px; color: #94a3b8; font-weight: 700; margin-bottom: 4px; }
        .node-box b { font-size: 12px; color: #0B1221; }
        .wave-player { background: #0B1221; border-radius: 8px; padding: 10px; display: flex; align-items: center; gap: 10px; }
        .wave-line { height: 2px; flex-grow: 1; background: linear-gradient(90deg, #56B8B8 30%, #334155 30%); }

        /* Card 2: 语言标签 */
        .lang-grid { display: flex; flex-wrap: wrap; gap: 8px; }
        .lang-pill { background: #fff; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 700; border: 1px solid #e2e8f0; display: flex; align-items: center; gap: 6px; }
        .flag { width: 14px; height: 10px; border-radius: 2px; }

        /* Card 3: 声音克隆 */
        .slot-row { background: #fff; padding: 12px; border-radius: 10px; border: 1px solid #e2e8f0; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; }
        .slot-info { display: flex; align-items: center; gap: 12px; }
        .play-btn { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 10px; }

        /* Card 4: 对话解析 */
        .chat-console { background: #0B1221; border-radius: 12px; padding: 15px; font-family: monospace; color: #fff; font-size: 12px; }
        .high-light { color: #FF8022; text-decoration: underline; }
        .high-teal { color: #56B8B8; font-weight: bold; }

        /* 响应式 */
        @media (max-width: 992px) {
            .uee-grid { grid-template-columns: 1fr; }
            .uee-header h2 { font-size: 32px; }
        }