/* 1. 基础容器布局 */
    .tech-section-wrapper {
        display: flex;
        max-width: 1240px;
        margin: 60px auto;
        padding: 0 20px;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        gap: 40px;
        background-color: #fcfcfd;
        align-items: flex-start;
    }

    /* 2. 左侧标题区域 */
    .tech-left-static {
        flex: 0 0 300px;
        position: sticky;
        top: 100px; /* 滚动时停留的位置 */
        padding-top: 20px;
    }

    .tech-left-static h2 {
        font-size: 42px;
        font-weight: 800;
        color: #0f172a;
        line-height: 1.1;
        margin-bottom: 25px;
    }

    .tech-left-static p {
        color: #64748b;
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 30px;
    }

    /* 左侧橙色圆点列表 */
    .orange-bullet-list {
        list-style: none;
        padding: 0;
    }

    .orange-bullet-list li {
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 700;
        font-size: 16px;
        color: #1e293b;
        margin-bottom: 15px;
    }

    .orange-bullet-list li::before {
        content: '';
        width: 8px;
        height: 8px;
        background-color: #ff7b1a; /* 橙色圆点 */
        border-radius: 50%;
    }

    /* 3. 右侧滚动区域 */
    .tech-right-scrollable {
        flex: 1;
        height: 650px; /* 固定高度开启内部滚动 */
        overflow-y: auto;
        padding-right: 15px;
        /* 滚动条平滑 */
        scroll-behavior: smooth;
    }

    /* 自定义滚动条样式 */
    .tech-right-scrollable::-webkit-scrollbar {
        width: 6px;
    }
    .tech-right-scrollable::-webkit-scrollbar-track {
        background: #f1f5f9;
        border-radius: 10px;
    }
    .tech-right-scrollable::-webkit-scrollbar-thumb {
        background: #cbd5e1;
        border-radius: 10px;
    }
    .tech-right-scrollable::-webkit-scrollbar-thumb:hover {
        background: #56B8B8;
    }

    /* 4. 卡片通用样式 */
    .tech-main-card {
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 20px;
        padding: 40px;
        margin-bottom: 30px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    }

    .card-title-wrap {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-bottom: 30px;
    }

    .card-title-wrap h3 {
        font-size: 24px;
        font-weight: 700;
        margin: 0;
        color: #0f172a;
    }

    .card-icon {
        color: #56B8B8;
        flex-shrink: 0;
    }

    /* 5. ACD 内部网格 (2x2) */
    .acd-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .acd-sub-box {
        border: 1px solid #f1f5f9;
        padding: 20px;
        border-radius: 12px;
    }

    .acd-sub-box h4 {
        margin: 0 0 5px 0;
        font-size: 16px;
        font-weight: 700;
    }

    .acd-sub-box p {
        margin: 0;
        font-size: 13px;
        color: #64748b;
    }

    /* 6. IVR 内部列表 */
    .ivr-feature-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 15px 30px;
    }

    .ivr-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: #334155;
        font-weight: 500;
    }

    .ivr-item svg {
        color: #56B8B8;
        flex-shrink: 0;
    }

    /* 7. Ticketing 标签组 */
    .ticketing-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 25px;
    }

    .tech-tag {
        background-color: #eef2ff;
        color: #56B8B8;
        padding: 8px 16px;
        border-radius: 8px;
        font-size: 13px;
        font-weight: 700;
    }

    /* 8. 响应式适配 */
    @media (max-width: 992px) {
        .tech-section-wrapper {
            flex-direction: column;
        }
        .tech-left-static {
            flex: none;
            width: 100%;
            position: static;
            text-align: center;
        }
        .tech-left-static p { margin-left: auto; margin-right: auto; }
        .orange-bullet-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        .tech-right-scrollable {
            height: auto; /* 手机端取消滚动限制 */
            overflow: visible;
            padding-right: 0;
        }
        .acd-grid, .ivr-feature-grid {
            grid-template-columns: 1fr;
        }
    }