.mainbanner-block {
  height: calc(100vh - 100px);
  max-height: 900px;
}
.mainbanner-block .mainbanner {
  height: 100%;
  position: relative;
}
.mainbanner-block .mainbanner .swiper {
  height: 100%;
}
.mainbanner-block .mainbanner .swiper .swiper-slide {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -moz-box-orient: vertical;
  -moz-box-direction: normal;
  -ms-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  flex-align: start;
  align-items: flex-start;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.mainbanner-block .mainbanner .swiper .swiper-slide:before {
  content: "";
  position: absolute;
  width: 100vw;
  max-width: 1920px;
  height: 100%;
  background: #0000008a;
  top: 0px;
  left: 0px;
  z-index: 1;
}
.mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder {
  padding: 0px calc((100vw - 1530px) / 2);
  position: relative;
  max-width: 1530px;
  z-index: 1;
}
@media screen and (min-width: 1920px) {
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder {
    padding: 0px 195px;
  }
}
.mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .main-title {
  font-weight: 700;
  font-size: 40px;
  line-height: 120%;
  color: #fff;
  margin-bottom: 20px;
  max-width: 770px;
}
.mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .descr {
  font-weight: 500;
  font-size: 20px;
  line-height: 24px;
  color: #ffffff;
  opacity: 1;
  max-width: 670px;
}
.mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .btn {
  margin-top: 60px;
}
.mainbanner-block .mainbanner .nav__holder {
	
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
	
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -moz-box-orient: horizontal;
  -moz-box-direction: normal;
  -ms-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
  -webkit-box-pack: justify;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  flex-align: center;
  align-items: center;
  position: absolute;
  bottom: 10%;
  left: calc((100vw - 1530px) / 2);
  height: 44px;
  max-width: 110px;
  width: 100%;
  z-index: 1;
	  display: none;
}
@media screen and (min-width: 1920px) {
  .mainbanner-block .mainbanner .nav__holder {
    left: 195px;
	
  }
}
.mainbanner-block .mainbanner .nav__holder .arr_left,
.mainbanner-block .mainbanner .nav__holder .arr_right {
  width: 44px;
  height: 44px;
  cursor: pointer;
  border: none;
  outline: none;
}
.mainbanner-block .mainbanner .nav__holder .arr_left svg rect,
.mainbanner-block .mainbanner .nav__holder .arr_right svg rect {
  transition: all 0.2s ease-in;
  -o-transition: all 0.2s ease-in;
  -ms-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  -webkit-transition: all 0.2s ease-in;
  fill: transparent;
}
.mainbanner-block .mainbanner .nav__holder .arr_left:hover svg rect,
.mainbanner-block .mainbanner .nav__holder .arr_right:hover svg rect {
  stroke: #7a9e2d;
  fill: #7a9e2d;
}
@media screen and (max-height: 600px) {
  .mainbanner-block .mainbanner .nav__holder {
    bottom: 1%;
  }
}
@media screen and (max-width: 1560px) {
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder {
    padding: 0px 15px;
  }
  .mainbanner-block .mainbanner .nav__holder {
    left: 15px;
  }
}
@media screen and (max-width: 1400px) {
  .mainbanner-block {
    height: calc(100vh - 144px);
  }
}
@media screen and (max-width: 993px) {
  .mainbanner-block {
    height: calc(100vh - 100px);
  }
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .main-title {
    font-size: 34px;
  }
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .descr {
    font-size: 16px;
  }
}
@media screen and (max-width: 578px) {
  .mainbanner-block {
    height: calc(100vh - 86px);
  }
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .main-title {
    font-size: 26px;
  }
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .descr {
    font-size: 14px;
  }
}

@media screen and (max-width: 425px) {
  .mainbanner-block .mainbanner .swiper .swiper-slide .slider__holder .btn {
    width: 100%;
  }
}