    .section4 {
        position: relative;
        padding-bottom: 0;
    }

    .Box4 {
        position: relative;
        width: 100%;
    }

    .Box4 {
        width: 100%;
        display: flex;
        flex-direction: column;
        grid-gap: 20px;
    }

    .item4 {
        box-shadow: rgba(0, 0, 0, 0.12) 1px 2px 13px 1px;
        display: flex;
        flex-wrap: wrap;
    }

    .img4 {
        width: 50%;
    }

    .text4 {
        width: 50%;
        padding: 60px 90px;
        position: relative;
    }

    .text4 span {
        position: absolute;
        left: 0;
        bottom: 0;
        display: block;
        width: 0;
        height: 5px;
        background: var(--color);
        transition: all .6s;
    }

    .item4:hover .text4 span {
        width: 100%;
    }

    .text4 h1 {
        font-size: 16px;
        color: var(--color);
    }

    .text4 h2 {
        font-weight: bold;
        font-size: 20px;
        color: #e6e5e5;
    }

    .text4 h3 {
        font-weight: bold;
        font-size: 22px;
        color: rgba(0, 0, 0, 0.8);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }

    .text4 h4 {
        font-size: 16px;
        line-height: 1.75;
        color: rgba(131, 131, 131, 1);
        margin: 20px 0;
    }

    .text4 h5 {
        font-size: 16px;
        color: #888;
    }

    .item4:nth-child(2n) {
        flex-direction: row-reverse;
    }

    @media (max-width: 1440px) {
        .text4 h4 {
            font-size: 14px;
            line-height: 1.5;
        }
    }

    @media (max-width: 1200px) {
        .text4 {
            padding: 45px 20px;
        }

        .text4 h1 {
            font-size: 14px;
        }

        .text4 h2 {
            font-size: 14px;
        }

        .text4 h3 {
            font-size: 18px;
        }

        .text4 h5 {
            font-size: 14px;
        }
    }

    @media (max-width: 720px) {
        .item4 {
            flex-direction: column !important;
        }

        .img4 {
            width: 100%;
        }

        .text4 {
            width: 100%;
        }
    }

    @media (max-width: 460px) {}

    @media (max-width: 380px) {}