/* contact webthietkegiare.com start */.bottom_support{height:45px;width:100%;position:fixed;bottom:0;background:#32a22d;font-family:'Roboto Condensed', sans-serif;color:#fff;line-height:45px;z-index:9999}  .bottom_support a{font-family:'Roboto Condensed', sans-serif;color:#fff;line-height:45px;font-size:18px}  .wrap_bottom{max-width:1380px;margin:0 auto}  .bottom_support .hotline_bottom{background:#32a22d;width:40%;float:left;font-size:16px;margin-left:5%;position:relative}  .bottom_support .hotline_bottom .ico{width:16%;position:absolute;bottom:0}  .bottom_support .hotline_bottom .txt{margin-left:16%}  .bottom_support .hotline_bottom .ico img{max-width:100%}  .bottom_support .hotline_bottom strong{font-weight:bold;font-size:19px}  .bottom_support .hotline_bottom span{font-size:13px}  .bottom_support .guide_payment{background:linear-gradient(-60deg, #177814 90%, #32a22d 50%) no-repeat;width:25%;float:left;position:relative}  .bottom_support .guide_payment .ico{width:20%;position:absolute;bottom:-25%;left:15%}  .bottom_support .guide_payment .ico img{max-width:100%}  .bottom_support .guide_payment .txt{margin-left:35%}  .bottom_support .advisory_online{background:linear-gradient(-60deg, #014f01 90%, #177814 50%) no-repeat;width:30%;float:left;position:relative}  .bottom_support .advisory_online .ico{width:20%;position:absolute;bottom:-10%;left:15%}  .bottom_support .advisory_online .ico img{max-width:100%;float:left;margin-top:-20px}  .bottom_support .advisory_online .txt{margin-left:35%}  @media screen and (max-width:1200px){.bottom_support .hotline_bottom{width:45%}  .bottom_support .hotline_bottom .ico{width:12%}  .bottom_support .hotline_bottom .txt{margin-left:12%}  .bottom_support .guide_payment{width:25%}  .bottom_support .guide_payment .ico{bottom:-15%}  .bottom_support .advisory_online{width:25%}  .bottom_support .advisory_online .ico{bottom:0}  }  @media screen and (max-width:1000px){.bottom_support{height:40px;line-height:40px}  .bottom_support a{font-size:17px;line-height:40px}  .bottom_support .hotline_bottom{margin-left:2%;width:48%}  .bottom_support .guide_payment .ico{bottom:0;left:7%}  .bottom_support .guide_payment .txt{margin-left:27%}  .bottom_support .advisory_online .ico{bottom:10%;left:10%}  .bottom_support .advisory_online .txt{margin-left:30%}  }  @media screen and (max-width:820px){.bottom_support{height:30px;line-height:30px}  .bottom_support a{font-size:15px;line-height:30px}  .bottom_support .hotline_bottom{font-size:15px}  .bottom_support .hotline_bottom strong{font-size:18px}  .bottom_support .hotline_bottom span{font-size:12px}  }  @media screen and (max-width:720px){.bottom_support a,.bottom_support .hotline_bottom{font-size:13px}  .bottom_support .hotline_bottom strong{font-size:15px}  }  @media screen and (max-width:620px){.bottom_support{height:25px;line-height:25px}  .bottom_support a{font-size:11px;line-height:25px}  .bottom_support .hotline_bottom{margin-left:0;width:50%;font-size:11px}  .bottom_support .hotline_bottom strong{font-size:15px}  .bottom_support .hotline_bottom span{font-size:11px}  }  @media screen and (max-width:560px){.bottom_support{height:20px;line-height:20px}  .bottom_support{display:none}  #go-top-button{display:none}  .bottom_support img{display:none}  .bottom_support a{font-size:10px;line-height:20px}  .bottom_support .hotline_bottom,.bottom_support .hotline_bottom span{font-size:10px}  .bottom_support .hotline_bottom strong{font-size:13px}  .bottom_support .hotline_bottom .txt{margin-left:1%}  .bottom_support .guide_payment .txt,.bottom_support .advisory_online .txt{margin-left:15%}}  @media screen and (max-width:440px){.bottom_support .hotline_bottom{width:55%}  .bottom_support .guide_payment{width:27%}  .bottom_support .advisory_online{width:18%}}  @media screen and (max-width:400px){.bottom_support a,.bottom_support .hotline_bottom,.bottom_support .hotline_bottom span{font-size:9px}  .bottom_support .hotline_bottom strong{font-size:12px}}  @media screen and (max-width:340px){.bottom_support a,.bottom_support .hotline_bottom,.bottom_support .hotline_bottom span{font-size:8px}  }