main.center {
    margin: 40px auto;
}

main .list h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

main .list {
    margin-bottom: 25px;
}

main .big-box {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.big-box.hot_big_box {
    gap: 50px;
}

@media screen and (max-width:769px) {
    main {
        padding: 0 4px;
    }

    main .list h2 {
        font-size: 20px;
    }

}