.news-main .news-main__item:first-child {
    width: -webkit-calc(33.33% - 30px);
    width: calc(33.33% - 30px);
}
@media (max-width: 920px) {
    .news-main .news-main__item:first-child {
        margin: 30px 0 0 30px;
    }
}
@media (max-width: 768px) {
    .news-main .news-main__item:first-child {
        width: -webkit-calc(50% - 20px);
        width: calc(50% - 20px);
        margin: 30px 0 0 20px;
    }
}
@media (max-width: 480px) {
    .news-main .news-main__item:first-child {
        display: block;
        margin: 0;
        width: auto;
    }
} 
@media (min-width: 921px) {
    .news-main_topics {
        height: 488px;
        overflow: hidden;
    }
}
.news-main_topics ul {
    padding-left: 0;
}
.news-main .news-main__item:first-child .news-main__image {
    float: none;
    margin: 0 0 28px;
    width: 100%;
}
.news-main .news-main__item:first-child .news-main__descr {
    margin: 0;
}
.news-main .news-main__item:first-child .news-main__caption {
    font-size: 19px;
    line-height: 23px;
}
.news-main .news-main__item:first-child .news-main__text {
    display: none;
    margin: 0;
}

.news-main__item {
    margin: 30px 0 0 30px;
    vertical-align: top;
    overflow: hidden;
    width: -webkit-calc(33.33% - 30px);
    width: calc(33.33% - 30px);
}
@media (max-width: 768px) {
    .news-main__item {
        margin: 30px 0 0 20px;
        width: -webkit-calc(50% - 20px);
        width: calc(50% - 20px);
    }
}
@media (max-width: 480px) {
    .news-main__item {
        display: block;
        margin: 30px 0 0;
        width: auto;
    }
}


.news-main_topics .news-main__item_slide {
    width: 100%;
}
.news-main_topics .news-block__arrows {
    width: 104px;
    padding: 0;
    position: absolute;
    right: 30px;
    bottom: 0;
}
@media (max-width: 920px) {
/*    .news-main_topics .news-main__item_slide {
        margin: 30px 0 40px 30px;
    }*/
    .news-main_topics .news-block__arrows {
        bottom: 0;
    }
}
@media (max-width: 768px) {
/*    .news-main_topics .news-main__item_slide {
        width: -webkit-calc(50% - 20px);
        width: calc(50% - 20px);
        margin: 30px 0 0 20px;
    }*/
}
.news-main_topics .news-main__item_slide .news-main__image {
    float: left;
    margin: 0;
    width: 570px;
}
@media (max-width: 920px) {
    .news-main_topics .news-main__item_slide .news-main__image {
        float: none;
        margin: 0 0 30px;
        width: auto;
    }
}
@media (max-width: 920px) {
    .news-main_topics .news-main__item_slide .news-main__image a {
        max-width: 718px;
    }
}
.news-main_topics .news-main__item_slide .news-main__image a:hover img {
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
}
.news-main_topics .news-main__item_slide .news-main__caption {
    font-size: 24px;
    line-height: 28px;
}
@media (max-width: 768px) {
    .news-main_topics .news-main__item_slide .news-main__caption {
        font-size: 19px;
        line-height: 23px;
    }
}
.news-main_topics .news-main__item_slide .news-main__descr {
    margin: 0 0 0 600px;
    max-height: 420px;
    overflow: hidden;
}
@media (max-width: 920px) {
    .news-main_topics .news-main__item_slide .news-main__descr {
        margin: 0;
    }
}
.news-main_topics .news-main__item_slide .news-main__text {
    display: block;
    margin: 20px 0 0;
}
@media (max-width: 768px) {
    .news-main_topics .news-main__item_slide .news-main__text {
        display: none;
    }
}
.slider_main__news {
    width: 100%;
    margin-left: 30px;
    padding-right: 30px;
    box-sizing: border-box;
}
.news-main__item_slide {
    margin: 20px 0 10px;
    vertical-align: top;
    width: 300px;
    padding-right: 30px;
    box-sizing: border-box;
    display: inline-block;
}
.news-main_topics .slider_main__news {
    margin-bottom: 30px;
}
@media (max-width: 1239px) {
    .slider_main__news {
        margin-left: 0;
        margin-right: 0;
        padding-left: 30px;
        padding-right: 0px;
    }
}
@media (max-width: 920px) {
    .news-main_topics .slider_main__news {
        padding-bottom: 55px;
        margin-bottom: 0;
    }
}
@media (max-width: 768px) {
    .slider_main__news {
        padding-left: 20px;
    }
}
@media (max-width: 480px) {
    .slider_main__news {
        padding-left: 0;
    }
    .news-main__item_slide {
        padding-right: 0;
    }
}

.news-block__arrows {
    font-size: 0;
    line-height: 0;
    margin: 0;
    margin-top: 5px;
    text-align: right;
    padding-right: 30px;
}
.news-block__arrows > * {
    font-size: 16px;
    line-height: 22px;
    display: inline-block;
    vertical-align: middle;
}
.news-block__arrow {
    -webkit-transition: all 0.3s 0s ease-in-out;
    transition: all 0.3s 0s ease-in-out;
    border: 2px solid #d9dbe1;
    border-radius: 3px;
    box-sizing: border-box;
    cursor: pointer;
    height: 46px;
    margin: 0 0 0 10px;
    position: relative;
    width: 46px;
    background: #fff;
}
.news-block__arrow:first-child {
    margin: 0;
}
.news-block__arrow:hover {
    background: #00d8a8;
    border-color: #00d8a8;
}
.news-block__arrow:hover svg polygon {
    fill: #fff;
}
.news-block__arrow svg {
    bottom: -2px;
    height: 46px;
    left: -2px;
    position: absolute;
    right: -2px;
    top: -2px;
    width: 46px;
}
.news-block__arrow svg polygon {
    -webkit-transition: all 0.3s 0s ease-in-out;
    transition: all 0.3s 0s ease-in-out;
}