.participants__introduction{
    font-size: 20px;
    margin-bottom: 30px;
}

.participants__item{
    display: flex;
    justify-content: space-between;
    position: relative;
    cursor: pointer;
    background-color: var(--deep-green);
    padding: 12px 15px 12px 20px;
    border-radius: 8px;
    color: #fff;
    font-size: 2.4rem;
    font-family: 'Montserrat-semibold', 'Open Sans', Arial, sans-serif;
    margin-bottom: 10px;
}

.participants__section{
    margin-bottom: 20px;
}

.item_title{

}

.item__green_arrow{
    float: right;
    display: flex;
    width: 30px;
    height: 30px;
}

.item__green_arrow img{
    margin: auto;
}



.participants__section.open .item__body-container {
    max-height: 1000px; /* Достаточно большое значение для контента */
}


.item__body-container{
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-top: 20px;
}

.item__body-container_inner{
    border: 2px solid var(--deep-green);
    border-radius: 8px;
    display: flex;
    padding: 20px;
    margin-bottom: 20px;
}

.item__body_wrapper{
    display: block;
    padding: 4px 2px 0 32px;
    font-size: 1.8rem;
    }


@media (max-width: 768px){
    .participants__item{
        font-size: 18px;
    }

    .item__green_arrow img{
        width: 23px;
    }

    .item__body-container_inner{
        border: 1px solid var(--deep-green);
    }
}


@media (max-width: 576px) {
    .participants__section {
        width: 100%;
    }
    .item__body-container_inner{
        display: block;
    }

    .item__green_arrow {
        padding-left: 10px;
    }

    .participants__section.open .item__body-container {
        max-height: 3000px;}

}

@media (max-width: 395px) {
    .item__body-container_inner{
        display: block;
    }

    .item__green_arrow {
        padding-left: 10px;
    }

    .item__body_wrapper {
        padding: 8px 14px;
        font-size: 14px;
    }

}