/* --- 极致紧凑、深色宽屏快速上线模块 --- */
        .uee-onboarding-section {
            font-family: 'Inter', -apple-system, sans-serif;
            background-color: #050811; /* 深邃黑背景 */
            padding: 60px 0;
            color: #ffffff;
            text-align: center;
            overflow: hidden;
        }

        .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-badge {
            color: #28B5B5; /* 核心青色 */
            font-size: 11px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 15px;
        }

        .uee-header h2 {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 800;
            line-height: 1.05;
            letter-spacing: -2px;
            margin: 0 0 15px 0;
        }

        .uee-header p {
            font-size: 17px;
            color: #94a3b8;
            line-height: 1.45;
            max-width: 850px; /* 扁平化宽度 */
            margin: 0 auto;
        }

        /* 2. 三列核心优势卡片 */
        .uee-feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 60px;
        }

        .uee-feat-card {
            background-color: #0d111c;
            border: 1px solid #1e293b;
            border-radius: 20px;
            padding: 35px;
            text-align: left;
            transition: all 0.3s ease;
        }

        .uee-feat-card:hover {
            border-color: #28B5B5;
            transform: translateY(-5px);
        }

        .uee-icon-box {
            width: 44px;
            height: 44px;
            background-color: rgba(40, 181, 181, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #28B5B5;
            margin-bottom: 20px;
        }

        .uee-feat-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: #ffffff;
        }

        .uee-feat-card p {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.5;
            margin: 0;
        }

        /* 3. 底部上线路径区域 */
        .uee-path-wrapper {
            background-color: rgba(13, 17, 28, 0.5);
            border: 1px solid #1e293b;
            border-radius: 24px;
            padding: 40px;
        }

        .uee-path-title {
            font-size: 10px;
            font-weight: 800;
            color: #475569;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 30px;
            display: block;
        }

        .uee-step-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .uee-step-item {
            background: #0d111c;
            border: 1px solid #1e293b;
            border-radius: 12px;
            padding: 20px;
            text-align: left;
            transition: 0.3s;
        }

        /* 还原第一个步骤的高亮状态 */
        .uee-step-item.active {
            border-color: #28B5B5;
            box-shadow: 0 0 20px rgba(40, 181, 181, 0.1);
        }

        .uee-step-item span {
            display: block;
            font-size: 9px;
            font-weight: 800;
            color: #475569;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .uee-step-item h5 {
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: #ffffff;
        }

        .uee-step-item p {
            font-size: 11px;
            color: #64748b;
            line-height: 1.4;
            margin: 0;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .uee-feature-grid { grid-template-columns: 1fr; }
            .uee-step-grid { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 768px) {
            .uee-step-grid { grid-template-columns: 1fr; }
            .uee-header h2 { font-size: 28px; }
            .uee-path-wrapper { padding: 20px; }
        }