/* 1. 基础容器 */
    .ai-automation-section {
        max-width: 1200px;
        margin: 60px auto;
        padding: 40px 20px;
        display: flex;
        align-items: center; /* 垂直居中 */
        gap: 60px; /* 左右间距 */
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    /* 2. 左侧文字内容区域 */
    .ai-content {
        flex: 1.2;
    }

    /* 标题头 */
    .ai-header-wrap {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-bottom: 25px;
    }

    .ai-header-wrap h2 {
        font-size: 34px;
        font-weight: 800;
        color: #0f172a;
        margin: 0;
        line-height: 1.2;
    }

    .ai-desc {
        font-size: 17px;
        color: #475569;
        line-height: 1.6;
        margin-bottom: 40px;
    }

    /* 3. 子功能项（两个圆角方框） */
    .sub-feature-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .sub-feature-item {
        padding: 25px 30px;
        border-radius: 20px;
        text-align: left;
    }

    /* 第一个方框：淡紫色背景，标题为主色调 */
    .item-sentiment {
        background-color: #f0f0ff; /* 淡紫色背景 */
    }

    .item-sentiment h4 {
        color: #56B8B8; /* 使用主色调 */
        margin: 0 0 8px 0;
        font-size: 20px;
        font-weight: 700;
    }

    /* 第二个方框：淡灰色背景，标题为深色 */
    .item-virtual {
        background-color: #f8fafc; /* 淡灰色背景 */
    }

    .item-virtual h4 {
        color: #0f172a;
        margin: 0 0 8px 0;
        font-size: 20px;
        font-weight: 700;
    }

    .sub-feature-item p {
        margin: 0;
        font-size: 15px;
        color: #64748b;
        line-height: 1.5;
    }

    /* 4. 右侧图片区域 */
    .ai-visual-wrap {
        flex: 1;
        position: relative;
    }

    .ai-main-img {
        width: 100%;
        height: auto;
        border-radius: 40px; /* 大圆角 */
        display: block;
        box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    }

    /* 图片中间的悬浮图标 */
    .ai-center-icon {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 80px;
        height: 80px;
        background-color: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(4px); /* 玻璃感模糊 */
        border: 2px solid rgba(255, 255, 255, 0.4);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
    }

    /* 5. 响应式适配 */
    @media (max-width: 992px) {
        .ai-automation-section {
            flex-direction: column; /* 手机端上下堆叠 */
            text-align: left;
            gap: 50px;
        }
        .ai-visual-wrap {
            width: 100%;
        }
        .ai-header-wrap h2 {
            font-size: 28px;
        }
    }