    /* 移动端专属样式 */

    /* 重置基础样式 */
    body {
        font-size: 14px;
    }

    .ham-btn {
        width: 40px;
        height: 30px;
        border: none;
    }

    button:focus {
        outline: none;
    }

    /* 移动端导航优化 */
    .m_header-box {
        display: block;
    }

    /* 页面边距调整 */
    .bottom {
        padding: 20px 15px;
    }

    /* 服务优势模块 */
    .service-advantage {
        padding: 30px 0;
    }

    .advantage-item {
        padding: 20px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .advantage-icon {
        width: 60px;
        height: 60px;
    }

    .advantage-title {
        font-size: 18px;
    }

    .advantage-desc {
        font-size: 14px;
        line-height: 1.8;
    }

    /* 底部图片适配 */
    .bottom img {
        margin-bottom: 15px;
    }

    /* 移动端隐藏不需要的元素 */
    .pc-only {
        display: none !important;
    }

    /* 导航栏优化 */
    .nav1 li {
        float: none !important;
        padding-top: 6px !important;
        margin: 5px !important;
    }

    .nav1 li a {
        padding: 8px 15px !important;
        font-size: 14px !important;
    }

    .nav1 {
        height: auto !important;
        margin-top: 0px !important;
        position: relative !important;
    }

    .nav1 ul {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: auto !important;
        margin: 0px !important;
        padding-left: 0px !important;
    }

    .content_title1 h1 {
        font-size: 19px !important;
    }

    .content_title1 p {
        font-size: 14px !important;
    }

    .hide_row {
        display: none;
    }

    .title_p {
        width: 100% !important;
    }