/* Section4 */
    .section4 {
        display: block;
    }

    .Box4 {
        position: relative;
        width: 100%;
        z-index: 2;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .lt4 {
        width: 52%;
        position: relative;
        padding-top: 90px;
    }

    .lt4::after {
        content: "";
        width: 100%;
        height: calc(100% - 90px);
        border-radius: 50px 0 0 0;
        background: #F6F6F6;
        display: block;
        position: absolute;
        z-index: -1;
        left: -60px;
        top: 0px;
    }

    .lt4 p {
        color: #000;
        font-size: 16px;
        display: flex;
        align-items: center;
        grid-gap: 10px;
        margin-bottom: 20px;
    }

    .lt4 p i {
        color: var(--color);
        font-size: 24px;
    }

    .lt4 img {
        width: 100%;
        border-radius: 50px 0;
        box-shadow: -30px 30px 80px 20px rgba(0, 0, 0, 0.16);
    }

    .rt4 {
        width: 45%;
        display: flex;
        flex-direction: column;
        justify-content: space-evenly;
    }

    .rt4 .indexTitle {
        text-align: left;
    }

    .rt4 .desc4 {
        color: #5A5A5A;
        font-size: 16px;
        line-height: 2;
    }

    .rt4 .shuzhi {
        display: flex;
        justify-content: space-between;
    }

    .rt4 .shuzhi li {
        display: flex;
        flex-direction: column;
    }

    .rt4 .shuzhi li p {
        color: #5A5A5A;
        font-size: 16px;
    }

    .rt4 .shuzhi li span {
        display: flex;
        align-items: baseline;
    }

    .rt4 .shuzhi li span h1 {
        color: #000;
        font-size: 42px;
        font-weight: bold;
    }

    .rt4 .shuzhi li span h2 {
        color: #000;
        font-size: 18px;
        font-weight: 700;
    }

    .rt4 a {
        width: 180px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 18px 0;
        background: var(--color);
        color: #fff;
        text-align: center;
        font-size: 16px;
    }

    @media (max-width: 1200px) {
        .Box4 {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .lt4 {
            padding-top: 30px;
        }

        .lt4::after {
            height: calc(100% - 30px);
            left: -30px;
        }

        .rt4 {
            grid-gap: 20px;
        }

        .rt4 .desc4 {
            font-size: 14px;
            line-height: 1.5;
        }

        .rt4 .shuzhi li span h1 {
            font-size: 32px;
        }

        .rt4 .shuzhi li span h2 {
            font-size: 16px;
        }

        .rt4 a {
            height: 40px;
            width: 150px;
            font-size: 14px;
        }
    }

    @media (max-width: 800px) {
        .Box4 {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column-reverse;
            grid-gap: 45px;
        }

        .lt4 {
            width: 100%;
        }

        .rt4 {
            width: 100%;
        }
    }

    @media (max-width: 460px) {
        .rt4 .shuzhi li span h1 {
            font-size: 24px;
        }

        .rt4 .shuzhi li p {
            font-size: 14px;
        }
    }

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