.back-top,.back-top a{transition:.3s;width:39px;height:39px;background-color:transparent}.back-top{position:fixed;right:10px;bottom:90px;border-radius:50%;z-index:9}.back-top a{display:flex;justify-content:center;font-size:0;background-image:url(../images/top-button.png);background-size:39px 39px;background-position:center;background-repeat:no-repeat;border:unset;margin:0;padding:0;border-radius:6px}.back-top a:hover{background-image:url(../images/top-button-hover.png)}.tooltip{display:none}.choose-optimal{background:#0e1426;padding:30px 0}.choose-optimal__title{font-weight:700;font-size:1.875rem;line-height:2.5rem;text-align:center;text-transform:uppercase;color:#fff;margin-bottom:30px}.choose-optimal__p{font-weight:400;font-size:1rem;line-height:1.5rem;color:#fff}.choose-optimal__ul{list-style-type:none;padding:0 0 0 12px}.choose-optimal__li{font-weight:400;font-size:1rem;line-height:1.5rem;position:relative;display:flex;align-items:center;padding-left:14px;color:#fff}.choose-optimal__li::before{content:"●";font-size:.5rem;margin-right:8px;position:absolute;top:0;left:0;color:#fff}.choose-optimal__li:not(:last-child){margin-bottom:1px}.choose-optimal__items{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}.choose-optimal__item{flex:0 1 100%}.choose-optimal__card{border:1px solid #c1c1c14d;background:#ffffff33;border-radius:16px;padding:24px;height:100%;display:flex;flex-direction:column;gap:16px}.choose-optimal__card .wrapper{display:flex;align-items:center;justify-content:flex-start;gap:16px}.choose-optimal__card--download .download,.choose-optimal__card--title{font-weight:700;font-size:1.25rem;line-height:1.5rem;color:#fff}.choose-optimal__card--bottom{display:flex;flex-direction:column;gap:16px;margin-top:auto}.choose-optimal__card--download{padding:8px 0;display:flex;align-items:center;justify-content:center}.choose-optimal__card--download .download{font-size:.9375rem;display:flex;align-items:center;justify-content:flex-start;gap:8px}.choose-optimal__card--download .download::after{content:"";background:url(../images/arrow-blue-download.svg)no-repeat center;background-size:cover;width:24px;height:24px;transition:transform .3s}.choose-optimal__card--buttons{display:flex;justify-content:space-between;gap:16px;flex-direction:column}.choose-optimal__card--buttons .btn-white-background{background:#fff;color:#212738}.choose-optimal__card--buttons .btn-white-background:is(:hover,:focus,:focus-within),.choose-optimal_white .choose-optimal__card--buttons .btn-white-background:is(:hover,:focus,:focus-within){background:#212738;color:#fff;text-decoration:none}.choose-optimal_white{background:#fff;padding:16px 0 30px}.choose-optimal_white .choose-optimal__title{font-weight:700;font-size:1.875rem;line-height:2.5rem;text-align:left;text-transform:inherit;color:#212738;margin-bottom:24px}.choose-optimal_white .choose-optimal__card--download .download,.choose-optimal_white .choose-optimal__card--title,.choose-optimal_white .choose-optimal__li,.choose-optimal_white .choose-optimal__li::before,.choose-optimal_white .choose-optimal__p{color:#212738}.choose-optimal_white .choose-optimal__card--buttons .btn-white-background{background:#fff;color:#212738;border:1px solid #4c545a4d}@media all and (min-width:35.5rem){.choose-optimal__card--thumbnail{min-height:200px;object-fit:contain}}@media all and (min-width:48rem){.back-top{bottom:100px;right:20px}.choose-optimal{padding:60px 0}.choose-optimal_white{padding:16px 0 60px}}@media (min-width:50.625rem){.choose-optimal__item{flex:0 1 calc(50% - 16px)}}@media all and (min-width:64rem){.choose-optimal__title{font-size:3rem;line-height:3.5rem}.choose-optimal__card--thumbnail{min-height:323px}.choose-optimal__card--buttons{flex-direction:row}.choose-optimal__card--buttons .btn-white-background{margin-left:auto}.choose-optimal_white .choose-optimal__title{font-size:3rem;line-height:3.25rem}}@media (min-width:68.75rem){.choose-optimal__items{justify-content:flex-start}.choose-optimal__item{flex:0 1 calc(33.333% - 16px)}}@media all and (min-width:72rem){.choose-optimal__li,.choose-optimal__p{font-size:1.5rem;line-height:2rem}}