.banner{
    width:100%;
}
.banner img{
    display: block;
    width:100%;
}
.img{
    width: 100%;
    height: 100%;
}
.container{
    width: 1200px;
}
.portfolio_inner{
    display: flex;
    justify-content: space-between;
    padding-right: 18px;
    padding-top: 50px;
    box-sizing: border-box;
}
.portfolio_img{
    width: 380px;
    height: 326px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.portfolio_img img{
    width: 100%;
    height: 306px;
}
.portfolio_img img:hover{
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
    transition: all 1s;
}
.portfolio_info{
    width: 718px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.portfolio_titles{
    display: flex;
    align-items: center;
    position: relative;
}
.portfolio_line{
    width: 92px;
    height: 20px;
    background: #00695F;
    position: absolute;
    left: -112px;
}
.portfolio_titles h3{
    color: #00695F;
    font-size: 36px;
}
.portfolio_texts{
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
    margin-top: 20px;
}
.portfolio_cores{
    display: flex;
    align-items: flex-end;
    margin-top: 20px;
}
.portfolio_core_list{
    width: 254px;
    display: flex;
}
.portfolio_core{
    color: rgba(0, 0, 0, 0.4);
    font-size: 12px;
    font-weight: bold;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}
.portfolio_core.active{
    color: #00695F;
    margin-left: -14px;
}
.portfolio_core_square{
    width: 10px;
    height: 10px;
    background: rgba(230, 230, 230, 1);
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 10px;
}
.portfolio_core_square.active{
    background: #00695F;
}
.portfolio_core_square_line{
    width: 60px;
    height: 1px;
    background-color: #E6E6E6;
    position: absolute;
    left: 10px;
}
.portfolio_cores_text{
    color: rgba(0, 0, 0, 0.4);
    font-size: 12px;
    font-weight: bold;
    margin-left: 40px;
}
.preference{
    margin-top: 100px;
    padding-bottom: 60px;
}
.common_title{
    display: flex;
}
.common_title_icon{
    width: 30px;
    height: 36px;
    margin-right: 10px;
    margin-top: 4px;
}
.common_title_info p{
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
    line-height: 25px;
}
.common_title_info h3{
    color: rgba(0, 0, 0, 0.85);
    font-size: 36px;
    line-height: 44px;
}
.preference_list{
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}
.preference_item{
    /* width: 252px;
    height: 358px;
    background-image: url(../../img/portfolio/preference_bg_big.png);
    background-size: 100% 100%; */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0px 0px 8px 6px rgba(0, 105, 95, 0.11);
    background-color: rgba(0, 105, 95, 0.11);
}
.preference_item:hover{
    box-shadow: 0px 0px 20px 6px rgba(0, 105, 95, 0.3);
    background-color: rgba(0, 105, 95, 0.2);
}
.preference_item:hover .preference_item_recommend{
    color: #00695F;
}
.preference_item:hover .preference_item_recommend_arrow{
    background-image: url(../../image/works/2021/pc/arrow_active.png);
}
/* .preference_item::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    background-size: 100% 100%;
    box-shadow: 0px 0px 8px 2px rgba(201, 64, 46, 0.11);
    z-index: -1;
} */
.preference_item_inner{
    width: 216px;
    height: 312px;
    background-image: url(../../image/works/2021/pc/preference_bg.png);
    background-size: 100% 100%;
}
.preference_item_top{
    width: 100%;
    height: 72px;
    background-color: #00695F;
    display: flex;
}
.preference_item_icon{
    width: 50%;
    height: 100%;
}
.preference_item_country{
    width: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: bold;
}
.preference_item_infos{
    width: 100%;
    padding: 10px 20px 20px;
    box-sizing: border-box;
}
.preference_item_info{
    height: 175px;
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
}
.preference_item_recommend{
    color: rgba(0, 0, 0, 0.4);
    font-size: 12px;
    font-weight: bold;
    margin-top: 20px;
    display: flex;
    align-items: center;
}
.preference_item_recommend_arrow{
    width: 7px;
    height: 10px;
    background-image: url(../../image/works/2021/pc/arrow.png);
    background-size: 7px 10px;
    margin-top: 2px;
    margin-left: 4px;
}
.preference_btn{
    width: 300px;
    height: 64px;
    text-align: center;
    line-height: 64px;
    color: #000000;
    font-size: 24px;
    margin: 40px auto 0;
    display: block;
    background: #FFDF4C;
    box-shadow: 5px 6px 16px 0px rgba(255,178,44,0.34);
    border-radius: 32px;
}
.preference_btn.services{
    margin-top: 20px;
}
.preference_btn:hover{
    background: #F29700;
    color: #000000;
}
.courses{
    width: 100%;
    padding: 60px 0;
    background-image: url(../../image/works/2021/pc/course_bg.png);
    background-size: 100% 100%;
}
.courses_lists{
    margin-top: 40px;
}
.courses_tabs{
    width: 100%;
    height: 120px;
    display: flex;
}
.courses_tab{
    flex: 1;
    height: 100%;
    background-color: rgba(216, 216, 216, 0.49);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(0, 0, 0, 0.6);
    font-size: 14px;
    cursor: pointer;
    position: relative;
}
.courses_tab h4{
    font-size: 18px;
    margin-bottom: 10px;
}
.courses_tab.ba.active{
    /* background-image: url(../../image/works/2021/pc/course_tab_bg.png);
    background-size: 100% 100%; */
    background: linear-gradient(90deg, #00695F 0%, #F8F8F8 9%, #F8F8F8 92%, #00695F 100%) #F8F8F8;
    color: #00695F;
}
.courses_tab.ma.active{
    background: linear-gradient(90deg, #4FCB75 0%, #F8F8F8 9%, #F8F8F8 92%, #4FCB75 100%);
    color: rgba(0, 105, 95, 1);
}
.courses_tab.active::after{
    content: '';
    width: 24px;
    height: 12px;
    background-image: url(../../image/works/2021/pc/arrow_down.png);
    background-size: 100% 100%;
    position: absolute;
    bottom: -12px;
}
.courses_list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    display: none;
}
.courses_list.show{
    display: flex;
}
.courses_item{
    width: 584px;
    height: 129px;
    display: flex;
    margin-top: 20px;
}
.courses_item_left{
    width: 218px;
    height: 100%;
    background-image: url(../../image/works/2021/pc/course_ba_icon1.png);
    background-size: 100% 100%;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.courses_item_left.ba.two{
    background-image: url(../../image/works/2021/pc/course_ba_icon2.png);
}
.courses_item_left.ba.three{
    background-image: url(../../image/works/2021/pc/course_ba_icon3.png);
}
.courses_item_left.ba.four{
    background-image: url(../../image/works/2021/pc/course_ba_icon4.png);
}
.courses_item_left.ba.five{
    background-image: url(../../image/works/2021/pc/course_ba_icon5.png);
}
.courses_item_left.ba.six{
    background-image: url(../../image/works/2021/pc/course_ba_icon6.png);
}
.courses_item_left.ba.seven{
    background-image: url(../../image/works/2021/pc/course_ba_icon7.png);
}
.courses_item_left.ma.one{
    background-image: url(../../image/works/2021/pc/course_ma_icon1.png);
}
.courses_item_left.ma.two{
    background-image: url(../../image/works/2021/pc/course_ma_icon2.png);
}
.courses_item_left.ma.three{
    background-image: url(../../image/works/2021/pc/course_ma_icon3.png);
}
.courses_item_left.ma.four{
    background-image: url(../../image/works/2021/pc/course_ma_icon4.png);
}
.courses_item_left.ma.five{
    background-image: url(../../image/works/2021/pc/course_ma_icon5.png);
}
.courses_item_left.ma.six{
    background-image: url(../../image/works/2021/pc/course_ma_icon6.png);
}
.courses_item_left.ma.seven{
    background-image: url(../../image/works/2021/pc/course_ma_icon7.png);
}
.courses_item_left:hover{
    background-size: 110% 110%;
    transition: all 1s;
}
.courses_item_title{
    width: 138px;
    height: 84px;
    background-image: url(../../image/works/2021/pc/course_title_bg.png);
    background-size: 100% 100%;
    color: #000000;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}
.courses_item_info{
    flex: 1;
    padding: 20px;
    box-sizing: border-box;
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
    background-color: #FFFFFF;
    position: relative;
    z-index: 1;
}
.courses_item_info::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    background-size: 100% 100%;
    box-shadow: 0px 0px 8px 2px rgba(0, 105, 95, 0.11);
    z-index: -1;
}
.courses_item_info h4{
    font-size: 14px;
    margin-bottom: 10px;
}
.courses_item.btn{
    display: flex;
    align-items: center;
    justify-content: center;
}
.courses_btn{
    width: 300px;
    height: 64px;
    background: #FFDF4C;
    box-shadow: 5px 6px 16px 0px rgba(255,178,44,0.34);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 24px;
}
.courses_btn:hover{
    background-color: #F29700;
    color: #000000;
}
.examine{
    width: 100%;
    padding-top: 60px;
}
.examine_container{
    display: flex;
    margin-top: 40px;
}
.examine_img{
    width: 688px;
    height: 384px;
    flex-shrink: 0;
    margin-right: 30px;
}
.examine_list{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.examine_title{
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
}
.examine_item_title{
    display: flex;
    color: #00695F;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    line-height: 30px;
    margin-bottom: 6px;
}
.examine_item_square{
    width: 10px;
    height: 10px;
    background: #00695F;
    margin-right: 6px;
}
.examine_item_info{
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
}
.teachers{
    width: 100%;
    padding-top: 100px;
    padding-bottom: 80px;
}
.teachers_container{
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-right: 50px;
}
.teachers_advs{
    display: flex;
    flex-wrap: wrap;
}
.teachers_adv{
    display: flex;
    height: 120px;
    margin-right: 20px;
    margin-bottom: 20px;
}
.teachers_adv:nth-child(2n){
    margin-right: 0;
}
.teachers_adv_left{
    width: 120px;
    height: 100%;
    background: #E6E6E6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.teachers_adv_left h5{
    color: rgba(0, 0, 0, 0.85);
    font-size: 14px;
    margin-bottom: 9px;
}
.teachers_adv_icon{
    width: 70px;
}
.teachers_adv_icon.small{
    width: 60px;
}
.teachers_adv_info{
    width: 260px;
    height: 100%;
    background-color: #FFFFFF;
    position: relative;
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
    padding-left: 20px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}
.teachers_adv_info::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    background-size: 100% 100%;
    box-shadow: 0px 0px 8px 2px rgba(0, 105, 95, 0.11);
    z-index: -1;
}
.teachers_swiper{
    width: 330px;
    height: 465px;
    position: relative;
    margin-top: -65px;
    flex-shrink: 0;
}
.teachers_swiper .swiper-container{
    width: 100%;
    height: 100%;
}
.teachers_swiper .swiper-container img{
    width: 100%;
}
.teachers_swiper .swiper-pagination{
    width: 11px;
    bottom: 0;
    right: -30px;
    display: flex;
    flex-direction: column;
}
.teachers_swiper .swiper-pagination-bullet{
    width: 11px;
    height: 11px;
    background-color: #E6E6E6;
    opacity: 1;
    margin: 3px 0;
}
.teachers_swiper .swiper-pagination-bullet:last-child{
    margin-bottom: 0;
}
.teachers_swiper .swiper-pagination-bullet-active{
    background-color: #4FCB75;
}
.teachers_slide{
    width: 100%;
    display: block;
}
.service{
    width: 100%;
    padding: 60px 0;
    /* background: linear-gradient(90deg, #FF553F 0%, #F4F4F4 9%, #E6E6E6 92%, #FF553F 100%); */
}
.services_inner{
    position: relative;
}
.service_list{
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}
.service_item{
    width: 380px;
    height: 214px;
    background-image: url(../../image/works/2021/pc/service_icon1.png);
    background-size: cover;
    position: relative;
    margin-bottom: 20px;
    cursor: pointer;
}
.service_item.two{
    background-image: url(../../image/works/2021/pc/service_icon2.png);
}
.service_item.three{
    background-image: url(../../image/works/2021/pc/service_icon3.png);
}
.service_item.four{
    background-image: url(../../image/works/2021/pc/service_icon4.png);
}
.service_item.five{
    background-image: url(../../image/works/2021/pc/service_icon5.png);
}
.service_item.six{
    background-image: url(../../image/works/2021/pc/service_icon6.png);
}
.service_item.seven{
    background-image: url(../../image/works/2021/pc/service_icon7.png);
}
.service_item.eight{
    background-image: url(../../image/works/2021/pc/service_icon8.png);
}
.service_item.nine{
    background-image: url(../../image/works/2021/pc/service_icon9.png);
}
.service_item_title{
    width: 100%;
    text-align: center;
    position: absolute;
    bottom: 20px;
    color: #FFFFFF;
    font-size: 18px;
    font-weight: bold;
}
.service_item_modal{
    width: 100%;
    height: 100%;
    background-image: url(../../image/works/2021/pc/service_modal.png);
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    padding: 40px 20px 20px;
    box-sizing: border-box;
    color: #FFFFFF;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    display: none;
}
.service_item_modal_title{
    color: #FFFFFF;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}
.services_icon_bg{
    width: 586px;
    height: 291px;
    position: absolute;
    bottom: 20px;
    right: -360px;
    background-image: url(../../image/works/2021/pc/deco_icon4.png);
    background-size: cover;
    z-index: 1;
}
.cases{
    width: 100%;
    padding: 100px 0;
}
.cases_container{
    margin-top: 40px;
}
.cases_tabs{
    display: flex;
}
.cases_tab{
    width: 136px;
    height: 40px;
    border: 1px solid rgba(52, 53, 58, 0.2);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(52, 53, 58, 0.8);
    font-size: 12px;
    font-weight: bold;
    margin-right: 16px;
    cursor: pointer;
}
.cases_tab.active{
    color: rgba(255, 255, 255, 0.8);
    border-color: transparent;
    background: #00695F;
}
.cases_tab:hover{
    color: rgba(255, 255, 255, 0.8);
    border-color: transparent;
    background: #00695F;
}
.swiper-button-next.swiper-button-disabled, .swiper-button-prev.swiper-button-disabled{
    opacity: 0.6;
}
.swiper-button-prev{
    width: 40px;
    height: 40px;
    background-color: #34353A;
    border-radius: 50%;
    opacity: 1;
    background-image: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.swiper-button-next{
    width: 40px;
    height: 40px;
    background: #34353A;
    border-radius: 50%;
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.swiper-button-next img, .swiper-button-prev img{
    width: 11px;
    height: 16px;
}
.swiper-button-next:hover, .swiper-button-prev:hover{
    background: #00695F;
}
.cases_swiper{
    margin-top: 40px;
    position: relative;
    display: none;
}
/* .cases_swiper:first-child{
    display: block;
} */
.case_slide{
    width: 100%;
    height: 708px;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}
.case_slide:after {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: inherit;
    filter: blur(12px);
    z-index: 2;
}
.case_slide_infos{
    width: 1000px;
    height: 600px;
    background-size: cover;
    z-index: 5;
    position: relative;
    box-shadow: 0px 4px 20px 0px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
}
.case_slide_info{
    width: 412px;
    height: 246px;
    background: rgba(0, 0, 0, 0.6);
    color: #FFFFFF;
    font-size: 18px;
    padding: 0 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    display: none;
}
.case_slide_name{
    margin-bottom: 20px;
}
.cases_swiper .swiper-button-prev{
    left: -60px;
}
.cases_swiper .swiper-button-next{
    right: -60px;
}
.form{
    width: 100%;
    padding: 80px 0;
    background-image: url(../../image/works/2021/pc/form_bg.png);
    background-size: 100% 100%;
    background-position: top center;
}
.form_inner h3{
    color: #000000;
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
}
.form_inputs{
    display: flex;
    justify-content: space-between;
}
.signup_form_item{
    width: 278px;
    height: 40px;
    background-color: #FFFFFF;
    border-radius: 20px;
}
.signup_form_item_input{
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 20px;
    padding: 10px 20px;
    box-sizing: border-box;
    font-size: 16px;
    color: rgba(0, 0, 0, 0.85);
    font-weight: bold;
    text-align: center;
}
.signup_form_item_input::-webkit-input-placeholder{
    color: rgba(0, 0, 0, 0.85);
}
.signup_form_item_input::-moz-input-placeholder {
    color: rgba(0, 0, 0, 0.85);
}
.signup_form_item_input::-ms-input-placeholder {
    color: rgba(0, 0, 0, 0.85);
}
.signup_form_item_input.select{
     /*很关键：将默认的select选择框样式清除*/
     appearance:none;
     -moz-appearance:none;
     -webkit-appearance:none;
     /*在选择框的最右侧中间显示小箭头图片*/
     background: url("../../image/works/2021/pc/down.png") no-repeat scroll 230px transparent;
     background-size: 20px 13px;
     text-align-last: center;
}
.signup_form_item>input:focus::-webkit-input-placeholder {
    color: transparent;
}
.signup_form_item>input:focus:-moz-placeholder {
    color: transparent;
}
.signup_form_item>input:focus::-moz-placeholder {
    color: transparent;
}
.signup_form_item>input:focus:-ms-input-placeholder {
    color: transparent;
}
.signup_btn{
    width: 300px;
    height: 40px;
    background: #000000;
    border: none;
    border-radius: 20px;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px auto 0;
}