.section4 {
        padding-top: 75px;
        padding-bottom: 90px;
        position: relative;
        overflow: hidden;
        background: url(/assets/images/box4.png) no-repeat center right;
    }

    .Box4 {
        position: relative;
        display: flex;

    }

    .lt4 {
        width: 62%;
        padding-right: 180px;
        border-right: 1px solid #D9D9D9;
    }

    .lt4 p {
        padding-left: 36px;
        font-size: 16px;
        color: var(--color);
        position: relative;
        display: flex;
        align-items: center;
    }

    .lt4 p::after {
        content: "";
        display: block;
        width: 25px;
        height: 1px;
        background: var(--color);
        position: absolute;
        left: 0;
    }

    .lt4 h1 {
        margin-top: 15px;
        margin-bottom: 30px;
        font-family: PuHuiTi85;
        font-size: 48px;
        line-height: 1.25;
        color: #000000;
    }

    .rt4 {
        width: 38%;
        padding-left: 175px;
        display: flex;
        flex-direction: column;
    }

    .rt4 .top4 {
        display: flex;
        align-items: center;
    }

    .rt4 .top4 h1 {
        font-size: 24px;
        line-height: 1.5;
        color: #686868;
    }

    .rt4 .top4 h2 {
        font-size: 16px;
        line-height: 1.5;
        color: #686868;
    }

    @keyframes identifier {
        0% {
            top: 0px;
        }

        50% {
            top: -15px;
        }

        100% {
            top: 0px;
        }
    }

    .rt4 .top4 img {
        margin-left: 30px;
        position: relative;
    }

    .rt4 .top4 img:hover {
        animation: identifier 2s linear infinite;
    }

    .Number4 {
        height: 100%;
        padding-top: 75px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .item4 p {
        font-size: 16px;
        line-height: 1.5;
        color: #686868;
    }

    .item4 span {
        display: flex;
    }

    .item4 span h1 {
        font-size: 58px;
        line-height: 1.5;
        color: var(--color);
    }

    @media (max-width: 1600px) {
        .lt4 {
            padding-right: 90px;
        }

        .rt4 {
            padding-left: 90px;
        }
    }

    @media (max-width: 1440px) {
        .lt4 {
            width: 65%;
        }

        .lt4 h1 {
            font-size: 40px;
        }

        .rt4 {
            width: 35%;
        }

        .rt4 .top4 img {
            width: 75px;
        }

        .Number4 {
            padding-top: 30px;
        }

        .item4 span h1 {
            font-size: 48px;
        }
    }

    @media (max-width: 1200px) {
        .lt4 {
            padding-right: 60px;
        }

        .lt4 h1 {
            font-size: 32px;
        }

        .rt4 {
            padding-left: 30px;
        }

        .item4 span h1 {
            font-size: 40px;
        }
    }

    @media (max-width: 900px) {
        .Box4 {
            position: relative;
            display: flex;
            flex-wrap: wrap;
        }

        .lt4 {
            width: 100%;
            padding-right: 0;
            padding-bottom: 30px;
            border-right: 0px solid #D9D9D9;
            border-bottom: 1px solid #D9D9D9;
        }

        .rt4 {
            width: 100%;
            padding-left: 0;
            padding-top: 30px;
        }

        .rt4 .top4 {
            display: flex;
            align-items: flex-start;
            flex-direction: column-reverse;
        }

        .rt4 .top4 img {
            width: 75px;
            margin: 0;
            margin-bottom: 15px;
        }

        .Number4 {
            height: 100%;
            padding-top: 75px;
            display: flex;
            flex-direction: row;
            justify-content: space-between;
        }
    }

    @media (max-width: 720px) {
        .section4 {
            background: url(/assets/images/box4.png) no-repeat top right;
        }

        .lt4 h1 {
            font-size: 28px;
        }
    }

    @media (max-width: 460px) {
        .lt4 h1 {
            font-size: 24px;
        }

        .Number4 {
            padding-top: 30px;
        }

        .item4 p {
            font-size: 14px;
        }

        .item4 span h1 {
            font-size: 24px;
        }
    }