.about-container {
    margin: 15px 0;
}

.about__title{
    font-size:22px;
    margin-bottom:20px;
    font-weight:700;
}

/* accordion */
.accordion__item{
    border-top:1px solid #e5e5e5;
}

.accordion__header{
    width:100%;
    background:none;
    border:none;
    padding:22px 0;
    font-size:18px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.accordion__icon{
    width:12px;
    height:12px;
    border-right:2px solid #888;
    border-bottom:2px solid #888;
    transform:rotate(-45deg);
    transition:.3s;
}

.accordion__item.active .accordion__icon{
    transform:rotate(45deg);
}

.accordion__content{
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease;
}

.accordion__content p{
    margin:0 0 20px;
    color:#333;
    line-height:1.6;
    font-size:16px;
}

/* открытый первый блок */
.accordion__item.active .accordion__content{
    max-height:max-content;
}