img{border:0;max-width:100%;height:auto!important;}
@media (max-width:1200px){
	.tk_an{display:none;z-index:99999999999999999}
}
@media (min-width:1140px){
	.top_menu{display:none}
	.logo_an{display:none}
	.tk_an{display:none;z-index:99999999999999999}
}
@media (max-width:1220px){
	.an_css{display:none!important}
	.tk_an{display:none;z-index:99999999999999999}
}
@media (max-width:1024px){
	.an_css{display:none!important}
	.tk_an{display:none;top:180px;z-index:99999999999999999}
	.search-form .input-group{margin-top:10px}
}
@media (max-width:990px){
	.an_css{display:none!important}
	.th_sp_boleft{display:none!important}
	.th_sp_boright{display:none!important}
	.tk_an{display:block;top:180px;z-index:99999999999999999}
	.head_logo{margin-bottom:15px;width:100%;float:none}
	img{border:0;max-width:100%;height:auto!important}
}
@media (max-width:420px){
	.an_css{display:none!important}
	.th_sp_boleft{display:none!important}
	.th_sp_boright{display:none!important}
	.tk_an{display:block;top:180px;z-index:99999999999999999}
	.head_logo{margin-bottom:15px;width:80%;padding-top: 40px;}
	.nen_chu{font-size:20px}
	.nen_chu1{font-size:20px}
	.nen_chu2{font-size:20px}
	.p1_hinh:before{display:none}
	.p1_hinh:after{display:none}
	.p2_hinh:before{display:none}
	.p2_hinh:after{display:none}
	.an_pc{display: block;z-index:9999999!important}
    .header_bottom_scroll{display: none}
    .top_css{padding-top: 5px;
    padding-bottom: 0px;margin-bottom:0;max-height:33px;}
    .container-ykien{height: 900px !important}
    .section2_book{padding-top: 20px}
    .section_bd{min-height: 244px !important}
}
@media (max-width:375px){
	.an_css{display:none!important}
	.th_sp_boleft{display:none!important}
	.th_sp_boright{display:none!important}
	.tk_an{display:block;top:180px;z-index:99999999999999999}
	.head_logo{margin-bottom:15px;width:80%;float:none;padding-top: 40px;}
	.an_pc{display: block;z-index:9999999!important}
     .header_bottom_scroll{display: none}
     .top_css{padding-top: 5px;
    padding-bottom: 0px;margin-bottom:0;max-height:33px;}
     .container-ykien{height: 900px !important}
    .section2_book{padding-top: 20px}
}
@media (max-width:320px){
	.an_css{display:none!important}
	.tk_an{display:block;top:180px;z-index:99999999999999999}
	.head_logo{margin-bottom:15px;width:60%;float:none;padding-top: 40px;}
	.an_pc{display: block;z-index:9999999!important}
     .header_bottom_scroll{display: none}
     .top_css{padding-top: 5px;
    padding-bottom: 0px;margin-bottom:0;max-height:33px;}
}