.section4 {
    padding: 45px 0;
    background-size: cover;
}

.box4 {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box4 .title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 330px;
    height: 330px;
    background: #ffffff80;
    border-radius: 50%;
    position: absolute;
    z-index: 2;
}

.box4 .title::after {
    content: "";
    display: block;
    position: absolute;
    width: 300px;
    height: 300px;
    z-index: -1;
    border-radius: 50%;
    background: #fff;
}

.box4 .title h1 {
    font-size: 48px;
    color: var(--color);
    margin: 0;
    line-height: 1.5;
}

.box4 .title h2 {
    font-size: 24px;
    margin: 0;
    line-height: 1.5;
}

.box4 .itemBox {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.box4 .itemBox .item {
    position: relative;
    width: calc(50% - 25px);
    margin: 25px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box4 .itemBox .item img {
    width: 100%;
}

.box4 .itemBox .item h1 {
    position: absolute;
    color: #fff;
    margin: 0;
}

@media screen and (max-width: 1440px) and (min-width: 0px) {}

@media screen and (max-width: 1200px) and (min-width: 0px) {}

@media screen and (max-width: 992px) and (min-width: 0px) {
    .box4 .title {
        width: 250px;
        height: 250px;
    }

    .box4 .title::after {
        width: 230px;
        height: 230px;
    }
}

@media screen and (max-width: 640px) and (min-width: 0px) {
    .box4 {
        display: flex;
        flex-wrap: wrap;
    }

    .box4 .title {
        position: relative;
        width: 100%;
        border-radius: 0%;
        height: 100px;
        margin-bottom: 30px;
    }

    .box4 .title::after {
        border-radius: 0%;
        width: calc(100% - 30px);
        height: 70px;
    }

    .box4 .title h1 {
        font-size: 24px;
    }

    .box4 .title h2 {
        font-size: 18px;
    }

    .box4 .itemBox .item {
        width: calc(50% - 10px);
        margin: 10px 0;
    }

    .box4 .itemBox .item h1 {
        font-size: 18px;
    }
}