.swiper-slide .columns {
	position: absolute;top: 25%;left: 25%;
}
.swiper-slide .columns h1 {color: #fff;}
.swiper-slide .columns .c-body {color: #fff;}
  .a-banner{display: block;}
  .b-banner{display: none;}
.btn-attention{background: #231815 !important;
    color: #ffffff !important;
    border: 2px solid #231815 !important;
    border-radius: 6px !important;
    text-align: center !important;
    cursor: pointer !important;
    padding: 0.6em !important;
    transition: all 0.2s !important;}
.btn-primary{background: #0d5b80 !important;
    color: #ffffff !important;
    border: 2px solid #0d5b80 !important;
    border-radius: 6px !important;
    line-height: 1.8 !important;
    text-decoration: none !important;
    padding: 0.7em !important;
    transition: all 0.2s !important;}
@media screen and (max-width: 640px) {
  .a-banner{display: none;}
  .b-banner{display: block;}
  .swiper-slide .columns {top: 20%;left: 5%;}
}