/* #课程体系 */
*{
    box-sizing: border-box;
}
.curr_content{
    padding-top: 150px;
    width: 100%;
    margin: auto;
}

.curr_title {
  /* 统一样式见 newi2style.css */
}

.curr_titleen {
  /* 统一样式见 newi2style.css */
}

.curr_tab{
    display: flex;
    justify-content: space-between;
    gap: 20px;
    width: 78%;
    margin: 40px auto 0;
    align-items: center;
    padding: 0 20px;
}

.tab_item {
  /* 统一样式见 newi2style.css */
}

@media screen and (max-width: 768px){
    .curr_content{
        padding-top: 110px;
    }

.curr_title {
        /* 统一样式见 newi2style.css */
    }

.curr_titleen {
        /* 统一样式见 newi2style.css */
    }

.curr_tab{
        width: 92%;
        gap: 10px;
        margin-top: 24px;
        padding: 0 8px;
    }

.tab_item {
        /* 统一样式见 newi2style.css */
    }

}

/* 小班制同伴互助学习法 */
.small_class{
    margin-top: 50px;
    padding: 100px 11%;
    background-color: #f4f4f4;
    text-align: center;
    background: url(../newi2/课程1/2.jpg);
    background-size: cover;
    background-position: center;
}

.small_class_title{
    font-size: clamp(24px, 3vw, 36px);
    color: #333;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.small_class_subtitle{
    font-size: clamp(20px, 2.5vw, 30px);
    color: #555;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.small_class_desc{
    width: 100%;
    margin: 0 auto 50px;
    font-size: clamp(14px, 1.5vw, 16px);
    line-height: 1.8;
    color: #666;
}

.small_class_img{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.small_class_img img{
    width: 23%;
    height: auto;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.small_class_img img:hover{
    transform: translateY(-6px);
}

@media screen and (max-width: 1024px){
    .small_class{
        padding: 80px 6%;
    }

.small_class_img img{
        width: 180px;
        height: 180px;
    }

}

@media screen and (max-width: 768px){
    .small_class{
        margin-top: 30px;
        padding: 60px 24px 60px;
    }

.small_class_title{
        font-size: 22px;
    }

.small_class_subtitle{
        font-size: 16px;
        margin-bottom: 16px;
    }

.small_class_desc{
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 30px;
    }

.small_class_img{
        justify-content: center;
        gap: 16px;
    }

.small_class_img img{
        width: calc(50% - 12px);
        height: auto;
    }

}

@media screen and (max-width: 480px){
    .small_class{
        padding: 40px 16px 50px;
    }

.small_class_title{
        font-size: 20px;
    }

.small_class_subtitle{
        font-size: 14px;
    }

.small_class_desc{
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 24px;
    }

.small_class_img{
        gap: 12px;
    }

.small_class_img img{
        width: calc(50% - 8px);
    }

}

.curr_content_main{
    width: 100%;
}

.curr_img{
    width: 78%;
    height: auto;
    display: block;
    border-radius: 30px;
    margin: 20px auto;
}

.curr_course_section{
    width: 78%;
    margin: 35px auto 0;
    display: flex;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.curr_course_card{
  
    width: 20%;
    display: flex;
    flex-direction: column;
    
    overflow: hidden;
}
.curr_course_card:first-child{
    width: 28%;
}
.curr_course_card:nth-child(2){
    width: 30%;
}
.curr_course_card:nth-child(3){
    width: 35%;
}
.curr_course_header{
    width: 100%;
    align-items: flex-end;
    gap: 10px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
}

.curr_course_name{
    font-size: clamp(15px, 1.5vw, 20px);
    color: #666;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    text-align: left;
}
.curr_course_brand{
    height: 50px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    margin-top: 20px;
}

.curr_course_age{
    width: 80px;

    flex-shrink: 0;
    display: block;
    padding: 3px 0px;
    background: #ff6b35;
    color: #fff;
    font-size:18px;
    border-radius: 10px;
    font-weight: 600;
    text-align: center ;
     margin-left: -30px;
}

.curr_course_books{
    width: 30%;
  
}

.curr_course_books img{
   width: auto;
   height: 100px;
    display: block;
}

.curr_course_card:nth-child(2) .curr_course_books{
      width: 37%;
}
.curr_course_desc{
    font-size: clamp(13px, 1.2vw, 15px);
    color: #666;
    line-height: 1.8;
    text-align: justify;
    margin: 0;
    min-height: 140px;
}
.curr_course_card:nth-child(3) .curr_course_brand {
    height: 50px;
}

.curr_con_title{
    margin-top: 50px;
    display: block;
    font-size: 26px;
    text-align: center;
    color: #555;
    line-height: 36px;
}
.curr_course_card:nth-child(3) .curr_course_books img {
    height: 60px;
    width: auto;
}

.curr_con_title_en{
    display: block;
    font-size: 26px;
    text-align: center;
    color: #333;
    margin-top: 10px;
    font-weight: 600;
}

.curr_con_item{
    width: 78%;
    display: flex;
    margin: auto;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 35px;
    gap: 20px;
}

.curr_con_item > :first-child {
    width: 25.5%;
}
.curr_con_item > :nth-child(2) {
    width: 31%;
}
.curr_con_item_con{
    width: 33%;
    min-width: 250px;
}

.curr_con_item_con img{
    width: 100%;
    height: auto;
}

.curr_con_item_con_text{
    width: 100%;
    font-size: 16px;
    color: #888;
    font-weight: 100;
    line-height: 40px;
}

.item_img{
    align-items: end;
}

.ing_phone{
    display: none;
}


/* 国际权威测评体系 */
.benchmark{
    padding: 80px 20px 160px;
    background-color: #fff;
    text-align: center;
    background: url(../newi2/课程1/9.jpg);
    background-size: cover;
    background-position: center;
}

.benchmark_title{
    font-size: clamp(26px, 3vw, 38px);
    color: #333;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.benchmark_subtitle{
    font-size: clamp(18px, 2vw, 26px);
    color: #555;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 50px;
}

.benchmark_block{
    padding: 0 50px;
    width: 78%;

    margin: 0 auto 60px;
}

.benchmark_tag{
    display: inline-block;
    background-color: #542553;
    color: #fff;
    font-size: 20px;
    padding: 8px 28px;
    border-radius: 5px;
    margin-bottom: 30px;
}

.benchmark_header{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.benchmark_header.cambridge_header{
    justify-content: space-between;
}

.benchmark_header img{
    width: 400px;
    max-width: 100%;
    height: auto;
}

.benchmark_logo.trinity{
    text-align: left;
    color: #6b2c70;
}

.benchmark_logo.trinity .logo_main{
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1;
}

.benchmark_logo.trinity .logo_sub{
    font-size: 18px;
    letter-spacing: 1px;
    margin-top: 4px;
}

.benchmark_logo.trinity .logo_note{
    font-size: 12px;
    color: #888;
    margin-top: 8px;
}

.benchmark_logo.cambridge{
text-align: center;
}

.benchmark_header .cambridge img {
    text-align: center;
    display: block;
    text-align: center;
}

.benchmark_cert{
    width: 160px;
    height: 120px;
}

.cert_placeholder{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    color: #999;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.benchmark_grid{
    display: flex;
   justify-content: space-between;
    text-align: left;
    align-items:flex-start;
}

/* .benchmark_grid.four{
    grid-template-columns: repeat(4, 1fr);
}

.benchmark_grid.three{
    grid-template-columns: repeat(3, 1fr);
}

*/
.benchmark_item{
    display: flex;
    flex-direction: column;
   align-content: flex-start;
   width: 23.5%;
   
}

.benchmark_item img{
    display: block;
    width: 40px;
    height: auto;
    margin: auto;
    margin-bottom: 16px;
}

.benchmark_item p{
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

.pbl_catagory{
width: 100%;
padding-bottom: 80px;
}

.pbl_content{
        background: #eee;
        text-align: center;
        padding: 0 11%;
        padding-bottom: 120px;

    }

.pbl_img{
        width: 30%;
        display: block;
        margin: auto;
    }

.pbl_cata_grid{
    margin-top: 50px;
    padding: 20px 11%;
    display: flex;
    justify-content: space-between;
 }

.pbl_cata_grid_item{
    width: 28%;
    text-align: center;
}

.pbl_cata_grid_item span{
    font-size: 22px;
    color:#666;
    font-weight: 500;
    line-height: 30px;
}

.pbl_cata_grid_item img{
    margin-top: 30px;
    width: 100%;
    border-radius:10px ;
}

@media screen and (max-width: 768px){
    .pbl_content{
        padding: 0 16px 80px;
    }

.pbl_img{
        width: 50%;
    }

.pbl_catagory{
        padding-bottom: 50px;
    }

.pbl_cata_grid{
        margin-top: 30px;
        padding: 0 16px;
        flex-wrap: wrap;
        gap: 16px;
    }

.pbl_cata_grid_item{
        width: 100%;
    }

.pbl_cata_grid_item span{
        font-size: 16px;
    }

.pbl_cata_grid_item img{
        margin-top: 16px;
    }

}

@media screen and (max-width: 1100px) and (min-width: 769px){
    .benchmark_grid{
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .benchmark_item{
        width: calc(33.33% - 12px);
    }

    .benchmark_grid.four,
    .benchmark_grid.three{
        gap: 12px;
    }
}

@media screen and (max-width: 768px){
    .ing_phone{
        display: block;
    }

.item_img{
        display: none;
    }

.benchmark{
        padding: 50px 16px 80px;
        background-size: auto 100%;
    }

.benchmark_title{
        font-size: 24px;
    }

.benchmark_subtitle{
        font-size: 16px;
        margin-bottom: 24px;
    }

.benchmark_block{
        width: 100%;
        padding: 0 8px;
        margin-bottom: 36px;
    }

.benchmark_tag{
        font-size: 14px;
        padding: 5px 18px;
        margin-bottom: 18px;
    }

.benchmark_header{
        gap: 16px;
        margin-bottom: 20px;
    }

.benchmark_header.cambridge_header{
        justify-content: center;
    }

.benchmark_header img{
        width: 240px;
    }

.benchmark_grid{
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

.benchmark_item{
        width: calc(50% - 8px);
        padding: 14px;
        background: #fff;
        border-radius: 10px;
        box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
    }

.benchmark_item img{
        width: 32px;
        margin-bottom: 12px;
    }

.benchmark_item p{
        font-size: 12px;
        line-height: 1.6;
    }

.benchmark_grid.four,
    .benchmark_grid.three{
        gap: 12px;
    }

.benchmark_logo.trinity .logo_main,
    .benchmark_logo.cambridge{
        font-size: 32px;
    }

}

@media screen and (max-width: 480px){
    .benchmark{
        padding: 36px 10px 60px;
    }

.benchmark_title{
        font-size: 22px;
    }

.benchmark_subtitle{
        font-size: 14px;
        margin-bottom: 20px;
    }

.benchmark_header img{
        width: 180px;
    }

.benchmark_block{
        padding: 0 4px;
        margin-bottom: 28px;
    }

.benchmark_tag{
        font-size: 12px;
        padding: 4px 14px;
    }

.benchmark_item{
        width: 100%;
    }

}

/* PBL 三大教学方式 */
.pbl_video{
    background:#eee;
    padding: 80px 20px;
    background-size: 100% auto;
    background-position-y: 100%;
   padding-bottom: 0;
}

.pbl_video_inner{
   width: 100%;
    margin: 0 auto;
    text-align: center;
}

.pbl_method_title{
    font-size: 20px;
    color: #333;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.pbl_method_subtitle{
    font-size: clamp(18px, 2.2vw, 26px);
    color: #555;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.pbl_method_tabs{
    margin: auto;
    width: 78%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 80px auto;
    flex-wrap: wrap;
    padding: 0 5%;
}
.pbl_method_tab{
    width: 250px;
    height: 250px;
    border: none;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #888;
    color: #fff;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    font-family: inherit;
}

.pbl_method_tab:hover{
    background-color: #666;
}

.pbl_method_tab.active{
    background-color: #a40001;
}

.pbl_method_tab.active:hover{
    background-color: #a40001;
}

.pbl_method_en{
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.pbl_method_cn{
    font-size: 20px;
    letter-spacing: 1px;
}

.pbl_video_slider_outer{
    position: relative;
    width: 100%;
    margin: 0 auto 60px;
    padding: 10px 50px;
    overflow: hidden;
    box-sizing: border-box;
}

.pbl_video_slider{
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.pbl_slide{
    height: auto;
}

.pbl_slide_img{
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.pbl_slide_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pbl-slide-cover{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.pbl-slide-video{
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
    border-radius: 16px;
    display: block;
}

.pbl_play_btn{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 2;
}

.pbl_play_btn:hover{
    transform: translate(-50%, -50%) scale(1.1);
}

.pbl_play_btn span{
    width: 0;
    height: 0;
    border-left: 14px solid #333;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

.pbl-swiper-prev,
.pbl-swiper-next{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    z-index: 10;
    cursor: pointer;
    color: #555;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.pbl-swiper-prev:hover,
.pbl-swiper-next:hover{
    background: #fff;
    color: #a40001;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.pbl-swiper-prev{
    left: 8px;
}

.pbl-swiper-next{
    right: 8px;
}

.pbl-swiper-prev::after,
.pbl-swiper-next::after{
    font-size: 18px;
    font-weight: bold;
}

.pbl_logo{
    margin-top: 60px;
    text-align: center;
    color: #333;
}

.pbl_logo_main{
    font-size: 72px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 2px;
}

.pbl_logo_sub{
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-top: 4px;
}

.pbl_logo_base{
    font-size: 11px;
    letter-spacing: 2px;
    color: #777;
    margin-top: 2px;
}

.circle{
    width: 10px;
    height: 10px;
    border-radius: 10px;
    background: #bbb;
}

@media screen and (max-width: 1024px){
    .pbl_slide{
        flex: 0 0 calc(50% - 10px);
    }

}

@media screen and (max-width: 768px){
    .pbl_video{
        padding: 50px 16px 250px;
        background-size: cover;
    }

.pbl_method_tabs{
        width: 92%;
        gap: 8px;
        margin-bottom: 36px;
    }

.pbl_method_tab{
        width: 100px;
        height: 100px;
    }

.pbl_method_en{
        font-size: 10px;
    }

.pbl_method_cn{
        font-size: 11px;
    }

.circle{
        width: 6px;
        height: 6px;
    }

.pbl_slider_track{
        padding: 8px 12px;
        gap: 12px;
    }

.pbl_slide{
        flex: 0 0 75%;
    }

.pbl_slide_img{
        border-radius: 12px;
    }

.pbl_play_btn{
        width: 40px;
        height: 40px;
    }

.pbl_play_btn span{
        border-left-width: 11px;
        border-top-width: 7px;
        border-bottom-width: 7px;
    }

.pbl-swiper-prev,
.pbl-swiper-next{
        display: none;
    }

.pbl_logo{
        margin-top: 40px;
    }

.pbl_logo_main{
        font-size: 48px;
    }

.pbl_logo_sub{
        font-size: 16px;
        letter-spacing: 2px;
    }

.pbl_logo_base{
        font-size: 10px;
    }




}
/* 1600px 以下 */
@media screen and (max-width: 1600px){
    .pbl_content{
       
        padding: 0 8%;
        padding-bottom: 120px;
       

    }
    .curr_tab{
        width: 82%;
    }
    .curr_img{
        width: 82%;
    }
    .curr_course_section{
        width: 82%;
    }
    .curr_con_item{
        width: 82%;
    }
    .benchmark_block{
        width: 82%;
    }
    .pbl_method_tabs{
        width: 82%;
    }
    .curr_course_name{
        font-size: clamp(18px, 2vw, 26px);
    }
    .curr_course_brand{
        height: 50px;
    }
    .curr_course_books img{
        height: auto;
        max-height: 80px;
    }
    .curr_course_age{
        width: 70px;
        font-size: 16px;
       
    }
}

/* 1440px 以下 */
@media screen and (max-width: 1540px){
    .curr_tab{
        width: 90%;
    }
    .curr_img{
        width: 90%;
    }
    .curr_course_section{
        width: 90%;
    }
    .curr_con_item{
        width: 90%;
    }
    .benchmark_block{
        width: 90%;
        padding: 0px;
    }
    .pbl_method_tabs{
        width: 90%;
    }
    .curr_course_name{
        font-size: clamp(16px, 1.8vw, 22px);
    }
    .curr_course_brand{
        height: 44px;
    }
    .curr_course_books img{
        height: auto;
        max-height: 100px;
    }
    .curr_course_age{
        width: 65px;
        font-size: 15px;
    }
    .pbl_content{
        background: #eee;
        text-align: center;
        padding: 0 5%;
        padding-bottom: 120px;

    
    }
        .pbl_cata_grid{
   
    padding: 20px 5%;

 }

}

/* 1280px 以下 */
@media screen and (max-width: 1280px){
    .pbl_cata_grid{
   
    padding: 20px 5%;

 }
}
.pbl_method_tab{
    width: 180px;
    height: 180px;

}
.pbl_method_en{
    font-size: 16px;
}.pbl_method_cn{
    font-size: 16px;
    font-weight: 600;
}
    .curr_tab{
        width: 90%;
    }
    .curr_img{
        width: 90%;
    }
    .curr_course_section{
        width: 90%;
        gap: 24px;
    }
    .curr_con_item{
        width: 90%;
    }
    .benchmark_block{
        width: 90%;
    }
    .pbl_method_tabs{
        width: 90%;
    }
    .curr_course_name{
        font-size: clamp(14px, 1.6vw, 18px);
    }
    .curr_course_brand{
        height: 36px;
        margin-top: 8px;
    }
    .curr_course_card:nth-child(3) .curr_course_brand{
        height: 36px;
    }
    .curr_course_books img{
        max-height: 55px;
    }
    .curr_course_age{
        width: 56px;
        font-size: 13px;
        padding: 2px 8px;
    }
    .curr_course_desc{
        font-size: 13px;
        line-height: 1.6;
    }


@media screen and (max-width: 768px){
    .curr_img{
        width: 92%;
        border-radius: 12px;
        margin: 12px auto;
    }

.curr_con_title{
        font-size: 18px;
        margin-top: 22px;
        line-height: 28px;
    }

.curr_con_title_en{
        font-size: 26px;
    }

.curr_con_item{
        width: 92%;
        gap: 12px;
        margin-top: 20px;
    }

.curr_con_item_con{
        width: 100%;
        margin: 0 auto;
        min-width: unset;
        padding: 18px;
        border-radius: 10px;
        box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
    }

.curr_con_item_con_text{
        font-size: 14px;
        line-height: 26px;
    }

    .curr_course_section{
        width: 88%;
        gap: 0px;
        margin:auto;
        margin-top: 24px;
        display: block;
    }

    .curr_course_card,
    .curr_course_card:first-child,
    .curr_course_card:nth-child(2),
    .curr_course_card:nth-child(3){
        width: 100%;
        min-width: unset;
       
        flex: unset;
        box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
        padding:30px 18px;
        border-radius: 10px;
        box-sizing: border-box;
    }

    .curr_course_header{
        margin-bottom: 12px;
    }

    .curr_course_name{
        font-size: 16px;
    }

    .curr_course_brand{
        height: 30px;
        margin-top: 5px;
    }

    .curr_course_card:nth-child(3) .curr_course_brand{
        height: 22px;
    }

    .curr_course_age{
        width: 60px;
        font-size: 12px;
        padding: 2px 6px;
    }

    .curr_course_books img{
        height: 150px;
        width: auto;
    }

    .curr_course_desc{
        font-size: 14px;
        line-height: 1.7;
    }

}