.banner-box {
    width: 100%;
}


/* 赛道1 */
.sd1-img {
    min-width: 500px;
    width: 500px;
    margin-right: 40px;
}

    .sd1-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.public-title {
    font-weight: 700;
    font-size: 26px;
    color: var(--blue);
    margin-bottom: 25px;
}

.public-huojiang {
    font-size: 18px;
    color: #3A3D42;
    padding-left: 20px;
    position: relative;
    margin-bottom: 10px;
}

    .public-huojiang::after {
        content: "";
        display: block;
        width: 6px;
        height: 6px;
        background: #4C9372;
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
    }

.public-info {
    padding-left: 20px;
    font-size: 16px;
    color: #3A3D42;
}

.public-box {
    font-size: 16px;
    color: #3A3D42;
}


.sd1-text .public-box:not(:last-of-type) {
    margin-bottom: 20px;
}

.jl-body {
    padding: 50px 0;
}

/* 赛道2 */
.sd2-bg {
    background: #F6F7F9;
    padding: 40px 0;
}

.sd2-img {
    width: 580px;
    min-width: 580px;
    margin-left: 40px;
}

    .sd2-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.sd-jianjie {
    font-size: 16px;
    color: #3A3D42;
    margin-bottom: 20px;
}

.sd3-text .public-title {
    margin-bottom: 15px;
}

.box-title {
    color: var(--blue);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.sd3-text .public-box:not(:last-child) {
    margin-bottom: 20px;
}

.sd-mb {
    margin-bottom: 20px;
}

.sd3-box {
    padding: 50px 0 100px;
}

@media screen and (max-width:1023px) {
    .jl-body-box {
        flex-wrap: wrap;
    }

        .jl-body-box > div {
            width: 100%;
        }

    .sd1-img {
        min-width: auto;
        height: 200px;
        margin-right: 0;
        margin-bottom: 20px;
    }

    .sd-box {
        flex-wrap: wrap;
        flex-direction: column-reverse;
    }

        .sd-box > div {
            width: 100%;
        }

    .sd2-img {
        min-width: auto;
        height: 200px;
        margin-left: 0;
        margin-bottom: 20px;
    }

    .sd3-box {
        flex-wrap: wrap;
    }

        .sd3-box > div {
            width: 100%;
        }
}