.wrapper_how_use{padding:40px 25px 0}@media screen and (min-width:669px){.wrapper_how_use{background:linear-gradient(90deg,rgba(0,0,0,.8) 9.62%,rgba(0,0,0,.33) 101.72%),url(../../images/bg_useful.png) no-repeat 50%;background-size:cover}}.wrapper_how_use h2{color:#2e2e2e;font-family:Roboto Bold,sans-serif;font-size:22px;font-weight:700;text-align:center}@media screen and (min-width:669px){.wrapper_how_use h2{color:#fff;font-size:30px}}.row_how_use{align-items:flex-start;display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:flex-start}.row_how_use .iphone_big{display:none;margin-bottom:-90px}@media screen and (min-width:992px){.row_how_use .iphone_big{display:block}}.row_how_use .iphone_small{display:none;margin-bottom:-45px}@media screen and (min-width:669px){.row_how_use .iphone_small{display:block}}@media screen and (min-width:992px){.row_how_use .iphone_small{display:none}}.row_how_use .wrapper_list{margin:0 auto;width:90%}.row_how_use .wrapper_list .link_txt{color:#ff6900;position:relative}@media screen and (min-width:768px){.row_how_use .wrapper_list .link_txt:hover span{display:flex}}.row_how_use .wrapper_list .link_txt span{background:#fff;border-radius:6px;color:#000;display:none;flex-direction:column;left:0;padding:10px;position:absolute;text-align:center;width:170px}@media screen and (min-width:669px){.row_how_use .wrapper_list{margin:0;padding-left:15px;width:80%}}@media screen and (min-width:992px){.row_how_use .wrapper_list{padding-left:30px}}.row_how_use ol{margin-left:15px;padding:0}.row_how_use ol li{color:#2e2e2e;font-family:Roboto Light,sans-serif;font-size:16px;font-weight:300;margin-bottom:15px}.row_how_use ol li span{color:#ff6900;cursor:pointer}@media screen and (min-width:669px){.row_how_use ol li{color:#fff}}@media screen and (min-width:992px){.row_how_use ol li{font-size:20px;margin-bottom:20px}}@media screen and (min-width:392px){.row_how_use ol{width:80%}}@media screen and (min-width:669px){.row_how_use ol{margin-left:10px}}.row_how_use p{color:#2e2e2e;font-family:Roboto Light,sans-serif;font-size:16px;font-weight:300}@media screen and (min-width:669px){.row_how_use p{color:#fff}}@media screen and (min-width:992px){.row_how_use p{font-size:20px}}.row_how_use p a{color:#ff6900}