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no-repeat;background-size:contain}@media (max-width:980px){#item_detail .top_detail .info .list_info .item:first-child:before{width:15px;height:12px}}#item_detail .top_detail .info .list_info .item:nth-child(2):before{width:20px;height:18px;background:url("../images/use/times.png") no-repeat;background-size:contain}@media (max-width:980px){#item_detail .top_detail .info .list_info .item:nth-child(2):before{width:16px;height:14px}}#item_detail .top_detail .info .list_info .item:nth-child(3):before{width:19px;height:17px;background:url("../images/use/group.png") no-repeat;background-size:contain}@media (max-width:980px){#item_detail .top_detail .info .list_info .item:nth-child(3):before{width:16px;height:14px}}#item_detail .top_detail .info .list_info .item:last-child{padding-bottom:0}#item_detail .top_detail .info .list_info .item:last-child:before{width:19px;height:19px;background:url("../images/use/save-money.png") no-repeat;background-size:contain}@media (max-width:980px){#item_detail .top_detail .info .list_info .item:last-child:before{width:16px;height:16px}}#item_detail .top_detail .info .list_info .item:last-child:after{display:none}#item_detail .top_detail .info .list_info .item:after{content:"";width:calc(100% - 35px);height:1px;background:#f4f4f4;position:absolute;bottom:0;right:0}#item_detail .top_detail .info .list_info .item span.title{font-size:18px;color:#4f4f4f}#item_detail .top_detail .info .list_info .item span.value{font-size:18px;color:#000;font-weight:400}#item_detail .top_detail .info #form_add_cart button{color:#010101;font-weight:600;border:1px solid #2f9b3f;border-radius:50px;min-width:150px;text-align:center;padding:5px 15px;background:none}@media (max-width:980px){#item_detail .top_detail .info #form_add_cart button{padding:4px 15px;min-width:unset}}#item_detail .top_detail .info #form_add_cart button:after{content:"";width:14px;height:7px;background:url("../images/use/right_detail_2.png") no-repeat;display:inline-block;margin-left:3px}#item_detail .top_detail .info #form_add_cart button:hover{background:#2f9b3f;color:#FFF}#item_detail .top_detail .info #form_add_cart button:hover:after{-webkit-filter:invert(99%) sepia(0%) saturate(3351%) hue-rotate(344deg) brightness(111%) contrast(100%);filter:invert(99%) sepia(0%) saturate(3351%) hue-rotate(344deg) brightness(111%) contrast(100%)}#item_detail .top_detail .list_tab{background:#ff0d71;margin:25px 0 10px;border-radius:5px;display:-webkit-box;display:-ms-flexbox;display:flex;padding:15px 30px;-ms-flex-flow:wrap;flex-flow:wrap}@media (max-width:568px){#item_detail .top_detail .list_tab{padding:1rem}}#item_detail .top_detail .list_tab li{-webkit-box-flex:1;-ms-flex:auto;flex:auto}@media (max-width:568px){#item_detail .top_detail .list_tab li{-webkit-box-flex:0;-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%;margin-bottom:5px}}#item_detail .top_detail .list_tab li a{color:#ffffff;font-size:16px;font-weight:600}#item_detail .content_title{padding-top:44px;padding-bottom:13px}@media (max-width:980px){#item_detail .content_title{padding-top:30px;padding-bottom:10px}}#item_detail .content_title span{display:inline-block;font-weight:700;color:#FFF;text-transform:uppercase;background:-webkit-gradient(linear,left top,right top,from(#19843f),to(#1e9f4c));background:-o-linear-gradient(left,#19843f,#1e9f4c);background:linear-gradient(to right,#19843f,#1e9f4c);border-top-left-radius:5px;border-top-right-radius:5px;padding:7px 13px 6px}@media (max-width:980px){#item_detail .content_title span{padding:7px 10px 6px}}#item_detail .item-content{color:#323232;text-align:justify;background:#ffffff;padding:15px 3rem;border-radius:5px}@media (max-width:568px){#item_detail .item-content{padding:1rem}}#item_detail .item-content .title{font-weight:700;font-size:18px;margin-bottom:2rem}#item_detail .item-content .content_tab table td{padding-right:5rem}@media (max-width:568px){#item_detail .item-content .content_tab table td{width:100%;padding:0;display:inline-table}}#item_detail .item-content .content_tab table td:last-child{padding:0}#item_detail .item-content .content_tab p{margin-bottom:1rem;position:relative;padding-left:2rem}@media (min-width:601px){#item_detail .item-content .content_tab p{padding-left:30px}}#item_detail .item-content .content_tab p:after{content:"";position:absolute;background:url(../images/use/icon_check.png) no-repeat;left:0;width:1.5rem;height:1.5rem;background-size:1.5rem;top:5px}@media (min-width:601px){#item_detail .item-content .content_tab p:after{top:0;background-size:unset;width:20px;height:20px}}#item_detail .item-content img{display:block;max-width:100%;max-height:100%;height:auto;margin:auto}#item_detail #main-content{margin-top:2.5rem;padding:1rem;border-radius:5px;background:#ffffff}@media (min-width:992px){#item_detail #main-content{padding:2rem 3rem 1rem}}#item_detail #main-content .title{font-weight:700;font-size:18px;color:#1d1d1d;margin-bottom:2rem}#item_detail #main-content .top_main{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;margin-bottom:10px;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-flow:wrap;flex-flow:wrap}#item_detail #main-content .top_main .num{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-flow:wrap;flex-flow:wrap}@media (max-width:568px){#item_detail #main-content .top_main .num{-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%}}#item_detail #main-content .top_main .num .num_chap{padding:10px 0}@media (min-width:601px){#item_detail #main-content .top_main .num .num_chap{padding:0;margin-right:3rem}}#item_detail #main-content .top_main .num p svg{margin-right:10px}#item_detail #main-content .top_main p{display:-webkit-box;display:-ms-flexbox;display:flex;font-size:16px;font-weight:600;color:#505050}@media (max-width:568px){#item_detail #main-content .top_main p{-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%}}#item_detail #main-content .top_main p .number{font-size:18px;color:#2774c3}#item_detail #main-content .content{width:100%;position:relative;margin-top:2rem}#item_detail #main-content .content .arr_chap{margin-bottom:1.5rem;border-radius:5px;border:1px solid #d8d8d8;padding:2rem 2.5rem}@media (max-width:568px){#item_detail #main-content .content .arr_chap{padding:1rem}}#item_detail #main-content .content .arr_chap .title{font-size:16px;font-weight:600;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;margin-bottom:0}#item_detail #main-content .content .arr_chap .title span{color:#444444;font-weight:400;cursor:pointer}#item_detail #main-content .content .arr_chap .title span i{font-size:20px;margin-left:1.5rem}#item_detail #main-content .content .arr_chap ul li{border-bottom:1px solid #e8e8e8;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;font-size:15px;padding:10px 0}@media (min-width:992px){#item_detail #main-content .content .arr_chap ul li{padding:1rem 0}}#item_detail #main-content .content .arr_chap ul li>span{text-align:right}#item_detail #main-content .content .arr_chap ul li>span b{font-weight:normal;min-width:55px;display:inline-block}#item_detail #main-content .content .arr_chap ul li .lear_test{background:#d4eedf;font-size:12px;padding:3px 6px;border-radius:3px}@media (min-width:992px){#item_detail #main-content .content .arr_chap ul li .lear_test{margin-right:5rem}}#item_detail #main-content .content .arr_chap ul li a{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;cursor:pointer;text-transform:capitalize}#item_detail #main-content .content .arr_chap ul li a span{margin-right:0.5rem}#item_detail #main-content .content .arr_chap ul li a svg{font-size:20px;-webkit-box-flex:0;-ms-flex:0 0 1.5rem;flex:0 0 1.5rem;height:1.5rem;border:1px solid;border-radius:50%;margin-right:1rem}#item_detail #main-content .content .arr_chap ul li a:hover{color:#ff0d71}#item_detail #main-content .content .arr_chap ul li:last-child{border-bottom:0}#item_detail #short{background:#ffffff;border-radius:5px;margin-top:2rem;padding:2rem 3rem}@media (max-width:568px){#item_detail #short{padding:1rem}}#item_detail #short .title{font-weight:700;font-size:18px;color:#1d1d1d;margin-bottom:2rem}#item_detail #short .content{width:100%;font-size:15px}@media (max-width:568px){#item_detail #short .content{margin-top:0}}#item_detail #teacher-content{background:#ffffff;margin:3rem 0;padding:3rem;border-radius:5px}@media (max-width:568px){#item_detail #teacher-content{padding:1rem}}#item_detail #teacher-content .title{font-weight:700;font-size:24px;margin-bottom:2rem}#item_detail #teacher-content .content{width:100%}#item_detail #teacher-content .content .left_teacher{margin-bottom:2rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}@media (max-width:568px){#item_detail #teacher-content .content .left_teacher{-ms-flex-flow:wrap;flex-flow:wrap}}#item_detail #teacher-content .content .left_teacher img{border-radius:50%;margin-right:5rem}@media (max-width:568px){#item_detail #teacher-content .content .left_teacher .right_teacher{-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%;margin-top:1rem}}#item_detail #teacher-content .content .left_teacher .right_teacher span{font-size:16px}#item_detail #teacher-content .content .left_teacher .right_teacher .name{font-size:28px;font-weight:700}@media (max-width:568px){#item_detail #teacher-content .content .left_teacher .right_teacher .name{font-size:20px}}#item_detail #teacher-content .content .box_content{font-size:15px}#item_detail .comment{padding:2rem 2rem 0;background:#ffffff;border-radius:5px}@media (max-width:568px){#item_detail .comment{padding:1rem}}.list_share{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;border-bottom:1px solid #f0f0f0;padding:20px 0;margin-bottom:20px}.list_share span{margin-right:10px;color:#262626}.list_share .list_item_share{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.list_share .list_item_share a{padding-right:12px}.list_share .list_item_share a i:before{margin:0;font-size:22px;color:#1e9f4c}@media (max-width:980px){.list_share .list_item_share a i:before{font-size:18px}}.list_share .list_item_share a .ficon-facebook:before{font-size:18px}.list_share .list_item_share a.zalo-share-button{width:17px!important;height:17px!important;background:url("../images/use/zalo.png") no-repeat center;cursor:pointer}.list_share .list_item_share a.zalo-share-button iframe{position:absolute;visibility:hidden}.full.detail{background:#ededed}.full.detail .wrapper .wrapper{padding:0 10px!important}.full.detail #container{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;padding:0;background:none;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.full.detail #container #tth-column_left{-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%}@media (max-width:823px){.full.detail #container #tth-column_left{margin:0}}.full.detail #container #tth-content{-webkit-box-flex:0;-ms-flex:0 0 calc(100% - 335px);flex:0 0 calc(100% - 335px);width:100%;padding:0}@media (max-width:823px){.full.detail #container #tth-content{-webkit-box-ordinal-group:1;-ms-flex-order:0;order:0;-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%}}.full.detail #container #tth-column{-webkit-box-flex:0;-ms-flex:0 0 305px;flex:0 0 305px;padding-top:40px}@media (max-width:823px){.full.detail #container #tth-column{-webkit-box-flex:0;-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}}.full.detail #container #tth-column .info_group{-webkit-box-shadow:0 0 25px -5px #d6d6d6;box-shadow:0 0 25px -5px #d6d6d6;border-radius:5px;padding:2.5rem 2rem;background:#ffffff}.full.detail #container #tth-column .info_group .title{font-weight:600;font-size:18px;color:#ff0d71;border-bottom:1px solid #f1f1f1;margin-bottom:1rem;padding-bottom:1rem}.full.detail #container #tth-column .info_group .group_price{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin:0.75rem 0;-ms-flex-wrap:wrap;flex-wrap:wrap}.full.detail #container #tth-column .info_group .group_price .price{font-weight:700;font-size:21px;color:#ff0d71}.full.detail #container #tth-column .info_group .group_price .price_buy{font-size:17px;color:#4f4f4f;text-decoration:line-through}.full.detail #container #tth-column .info_group .group_price .percent_discount span{color:#ffffff;background:#f50101;border-radius:3px;padding:2px 8px}.full.detail #container #tth-column .info_group button{font-size:17px;text-transform:uppercase;border:0;padding:0.8rem 0;color:#141414;border-radius:25px;width:100%;font-weight:700;margin:0.5rem 0}.full.detail #container #tth-column .info_group .btn_buy_now{background:#ffd800;margin-bottom:1rem}.full.detail #container #tth-column .info_group .btn_add_cart_now{background:#ffd800;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.full.detail #container #tth-column .info_group .btn_add_cart_now svg{margin-right:0.5rem}.full.detail #container #tth-column .info_group .list_info{margin-top:2rem}.full.detail #container #tth-column .info_group .list_info .group{text-transform:uppercase;color:#b2b2b2}.full.detail #container #tth-column .info_group .list_info .item{font-size:16px;color:#8a8a8a;margin-bottom:0.8rem;padding-bottom:0.8rem;border-bottom:1px solid #ebebeb;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;font-weight:600;color:#4f4f4f;font-size:18px}.full.detail #container #tth-column .info_group .list_info .item span.total_time{position:relative;min-width:2rem;min-height:2rem}.full.detail #container #tth-column .info_group .list_info .item label{color:#000000;font-weight:normal;margin:0}.full.detail #container #tth-column .info_group .list_info .item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}.full.detail #container #tth-column .info_group .list_info .item img{margin-right:0.5rem}.full.detail #container #tth-column .info_group .list_info .item .lang_qae{color:#000000}.full.detail #container #tth-column #regis{-webkit-box-shadow:0 0 25px -5px #d6d6d6;box-shadow:0 0 25px -5px #d6d6d6;border-radius:5px;padding:2.5rem 2rem;background:#ffffff;margin:2rem 0}@media (min-width:601px){.full.detail #container #tth-column #regis{margin:2.2rem 0 5rem}}.full.detail #container #tth-column #regis h3{font-weight:700;font-size:18px;color:#ff0d71}.full.detail #container #tth-column #regis h4{margin:1rem 0}.full.detail #container #tth-column #regis textarea{height:75px}.full.detail #container #tth-column #regis input,.full.detail #container #tth-column #regis textarea{border:1px solid #e1e1e1;border-radius:3px;background:#fafafa;width:100%;padding:7px 10px;margin-bottom:1rem}.full.detail #container #tth-column #regis .btn_search{border:1px solid #ffd800;border-radius:25px;background:#ffd800;color:#141414;text-transform:uppercase;font-weight:700;font-size:17px}.full.detail #container #tth-column #list_other{margin-top:2.2rem}.full.detail #container #tth-column #list_other .title{font-weight:600;font-size:22px}@media (max-width:600px){.full.detail #container #tth-column #list_other .title{margin-bottom:1rem}}.full.detail #container #tth-column #list_other .title span{background:var(--color_main);color:#313131;display:-webkit-box;display:-ms-flexbox;display:flex}@media (min-width:992px){.full.detail #container #tth-column #list_other .box_content{padding:2rem 0}}.full.detail #container #tth-column #list_other .box_content .list_course .item{-webkit-box-flex:0;-ms-flex:0 0 calc(100%);flex:0 0 calc(100%);max-width:calc(100%)}@media (max-width:823px){.full.detail #container #tth-column #list_other .box_content .list_course .item{width:100%}}.full.detail #container .column_left{width:27%;-webkit-transition:all 500ms ease 0s;-o-transition:all 500ms ease 0s;transition:all 500ms ease 0s}@media (max-width:800px){.full.detail #container .column_left{position:absolute;right:calc(100% - 30px);display:-webkit-box;display:-ms-flexbox;display:flex;max-width:100%;width:auto}.full.detail #container .column_left.open{right:40%;z-index:100}.full.detail #container .column_left .click_column{display:block;margin-left:15px;height:25px;line-height:25px;min-width:30px;border:1px #2f9b3f solid;position:relative;cursor:pointer}.full.detail #container .column_left .click_column.open{margin-left:5px}.full.detail #container .column_left .click_column.open:before{top:12px;-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg)}.full.detail #container .column_left .click_column.open:after{top:12px;-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}.full.detail #container .column_left .click_column.open span{display:none}.full.detail #container .column_left .click_column:after,.full.detail #container .column_left .click_column:before,.full.detail #container .column_left .click_column>span{position:absolute;display:block;height:2px;width:20px;left:4px;background:#2f9b3f;margin-top:-1px;-webkit-transition:all 500ms ease-out 0s;-o-transition:all 500ms ease-out 0s;transition:all 500ms ease-out 0s}.full.detail #container .column_left .click_column:before{content:"";top:25%}.full.detail #container .column_left .click_column:after{content:"";top:75%}.full.detail #container .column_left .click_column>span{top:50%}}@media (max-width:500px){.full.detail #container .column_left.open{right:0}}.full.detail #container .column_left .wrap_column{padding:27px 14px 29px 0;position:relative}@media (max-width:980px){.full.detail #container .column_left .wrap_column{padding:5px 10px 10px 0}}.full.detail #container .column_left 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