/* 实训 */
:root{
    --page-padding: 260px;
}
body{
    background: #ffffff;
}

.train_box .train_nav{
    width: 100%;
    padding: 0 var(--page-padding) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0 40px;
}
.train_box .train_nav .nav_item{
    width: 236px;
    height: 60px;
    border: 1px solid #d9d9d9;
    background: #ffffff;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.train_box .train_nav .nav_item img{
    width: 24px;
    height: 24px;
    margin-right: 12px;
}
.train_box .train_nav .nav_item div{
    font-size: 18px;
    color: #333333;
    font-weight: bold;
}
.train_box .train_nav .nav_item:hover{
    border: 1px solid #3772FB;
    box-shadow: 0px 10px 20px 0px #111B311A;
}
.train_box .train_nav .nav_item_active{
    border: none;
    background: linear-gradient(328.51deg, #3772FB 32.48%, #2EB7FE 113.98%);
}
.train_box .train_nav .nav_item_active img{
    filter: brightness(0) invert(1);
}
.train_box .train_nav .nav_item_active div{
    color: #ffffff;
}
.train_box .train_con{
    width: 100%;
    height: 640px;
    position: relative;
    margin-top: 40px;
    padding: 0 var(--page-padding);
    display: none;
    align-items: center;
}
.train_box .train_con:first-of-type{
    display: flex;
}
.train_box .train_con.is-active{
    display: flex;
    animation: trainConIn 0.35s ease both;
}
@keyframes trainConIn{
    from{
        opacity: 0;
        transform: translateY(12px);
    }
    to{
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .train_box .train_con.is-active{
        animation: none;
    }
}
.train_box .train_con .train_bg{
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}
.train_box .train_con .train_left{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 45px 80px;
    position: relative;
}
.train_box .train_con .train_left .train_item{
    width: 320px;
}
.train_box .train_con .train_left .train_item .item_top{
    display: flex;
    align-items: center;
}
.train_box .train_con .train_left .train_item img{
    width: 46px;
    height: 46px;
    margin-right: 10px;
}
.train_box .train_con .train_left .train_item .title{
    font-size: 24px;
    color: #333333;
    font-weight: bold;
    /* margin-top: 16px; */
}
.train_box .train_con .train_left .train_item .detail{
    font-size: 14px;
    color: #333333;
    line-height: 24px;
    margin-top: 16px;
}
.train_box .train_con .train_right .train_circle{
    width: 647px;
    height: 647px;
    background: linear-gradient(270deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.train_box .train_con .train_right .train_circle .circle_img{
    width: 423px;
    height: 423px;
    border-radius: 50%;
}
.train_box .train_con .train_right .train_circle .circle_small{
    width: 84px;
    height: 84px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    overflow: hidden;
    position: absolute;
    cursor: pointer;
    transition: all 0.3s ease;
}
.train_box .train_con .train_right .train_circle .circle_small:hover{
    border: 3px solid #3772FB;
}
.train_box .train_con .train_right .train_circle .circle_small_active{
    border: 3px solid #3772FB;
}
.train_box .train_con .train_right .train_circle .circle_small img{
    width: 100%;
    height: 100%;
}
.train_box .train_con .train_right .train_circle .circle_small1{
    top: 51px;
    right: 78px;
}
.train_box .train_con .train_right .train_circle .circle_small2 {
    top: 200px;
    right: -28px;
}
.train_box .train_con .train_right .train_circle .circle_small3 {
    top: 383px;
    right: -28px;
}
.train_box .train_con .train_right .train_circle .circle_small4 {
    top: 528px;
    right: 78px;
}
/* 实训案例 */
.case_box{
    width: 100%;
    padding: 60px var(--page-padding);
    background: #F7F9FC;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.case_box .case_title{
    font-size: 36px;
    color: #333333;
    font-weight: bold;
}
.case_box .case_list{
    width: 100%;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.case_box .case_list .case_item {
    position: relative;
    border-radius: 16px;
    border: 2px solid transparent;
    /* cursor: pointer; */
    transition: all 0.3s ease;
}
/* .case_box .case_list .case_item:hover{ */
    /* border: 2px solid #3772FB;
    box-shadow: 0px 10px 20px 0px #B1C0E2; */
/* } */
.case_box .case_list .case_item img{
    width: 100%;
    height: 184px;
    border-radius: 16px 16px 0 0;
    object-fit: cover;
}
.case_box .case_list .case_item .item_con{
    width: 100%;
    border-radius: 16px;
    background: #ffffff;
    padding: 20px 30px;
    position: relative;
    margin-top: -40px;
}
.case_box .case_list .case_item .item_con .title{
    font-size: 16px;
    color: #333333;
    line-height: 1.5;
}
.case_box .case_list .case_item .item_con .detail{
    font-size: 14px;
    color: #666666;
    line-height: 24px;
    margin-top: 8px;
}
.case_box .case_btn{
    margin-top: 40px;
    height: 40px;
    padding: 0 20px;
    background: #3772FB;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.case_box .case_btn:hover{
    transform: translateY(-5px);
}
.case_box .case_btn div{
    font-size: 14px;
    color: #ffffff;
}
.case_box .case_btn img{
    width: 32px;
    height: 32px;
    margin-left: 4px;
}
@media (max-width: 1700px) {
    :root{
        --page-padding: 180px;
    }
    .train_box .train_nav{
        padding: 0 var(--page-padding) 0;
        gap: 0 28px;
    }
    .train_box .train_nav .nav_item{
        width: 228px;
        height: 58px;
    }

    .train_box .train_con{
        height: auto;
        padding: 24px var(--page-padding);
        gap: 24px;
    }
    .train_box .train_con .train_left{
        gap: 36px 50px;
    }
    .train_box .train_con .train_left .train_item{
        width: auto;
        max-width: 360px;
    }

    .train_box .train_con .train_right .train_circle{
        width: 540px;
        height: 540px;
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 390px;
        height: 390px;
    }
    .train_box .train_con .train_right .train_circle .circle_small{
        width: 78px;
        height: 78px;
    }
    .train_box .train_con .train_right .train_circle .circle_small1{
        top: 16px;
        right: 72px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2{
        top: 162px;
        right: -22px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 332px;
        right: -22px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 452px;
        right: 72px;
    }

    .case_box{
        padding: 56px var(--page-padding);
    }
}
@media (max-width: 1500px) {
    .train_box .train_con .train_right .train_circle{
        width: 520px;
        height: 520px;
    }
    .train_box .train_con .train_right .train_circle .circle_small1{
        top: 0;
        right: 72px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2{
        top: 142px;
        right: -32px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 302px;
        right: -32px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 432px;
        right: 72px;
    }
}

@media (max-width: 1400px) {
    :root{
        --page-padding: 120px;
    }
    .train_box .train_nav{
        padding: 0 var(--page-padding) 0;
    }
    .train_box .train_con{
        padding: 0 var(--page-padding);
    }
    .train_box .train_con .train_left{
        gap: 20px;
    }
    .train_box .train_con .train_right .train_circle{
        width: 500px;
        height: 500px;
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 360px;
        height: 360px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 292px;
        right: -32px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 412px;
        right: 72px;
    }
    .case_box{
        padding: 60px var(--page-padding);
    }
}

@media (max-width: 1200px) {
    :root{
        --page-padding: 60px;
    }
    .train_box .train_nav{
        padding: 0 var(--page-padding) 0;
        gap: 16px 20px;
        flex-wrap: wrap;
        /* justify-content: flex-start; */
    }
    .train_box .train_nav .nav_item{
        width: 220px;
        height: 56px;
    }

    .train_box .train_con{
        height: auto;
        padding: 40px var(--page-padding);
        gap: 24px;
    }
    .train_box .train_con .train_left .train_item{
        width: auto;
        max-width: 360px;
    }

    .train_box .train_con .train_right .train_circle{
        width: 480px;
        height: 480px;
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 340px;
        height: 340px;
    }
    .train_box .train_con .train_right .train_circle .circle_small{
        width: 72px;
        height: 72px;
    }
    .train_box .train_con .train_right .train_circle .circle_small1{
        top: 20px;
        right: 60px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2{
        top: 120px;
        right: -18px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 268px;
        right: -18px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 390px;
        right: 60px;
    }

    .case_box{
        padding: 50px var(--page-padding);
    }
    .case_box .case_list{
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 1100px) {
    .train_box .train_con .train_right .train_circle{
        width: 400px;
        height: 400px;
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 300px;
        height: 300px;
    }
    .train_box .train_con .train_right .train_circle .circle_small{
        width: 60px;
        height: 60px;
    }
    .train_box .train_con .train_right .train_circle .circle_small1{
        top: 10px;
        right: 60px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2{
        top: 120px;
        right: -18px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 248px;
        right: -18px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 340px;
        right: 60px;
    }
}

@media (max-width: 992px) {
    :root{
        --page-padding: 24px;
    }
    .train_box .train_nav{
        padding: 0 var(--page-padding) 0;
    }
    .train_box .train_con{
        padding: 32px var(--page-padding);
        flex-direction: column;
    }
    .train_box .train_con .train_left{
        gap: 20px 24px;
    }

    .train_box .train_con .train_right .train_circle{
        width: 450px;
        height: 450px;
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 300px;
        height: 300px;
    }
    .train_box .train_con .train_right .train_circle .circle_small{
        width: 74px;
        height: 74px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2,
    .train_box .train_con .train_right .train_circle .circle_small3{
        right: -14px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 360px;
    }

    .case_box{
        padding: 44px var(--page-padding);
    }
    .case_box .case_title{
        font-size: 30px;
    }
    .case_box .case_list{
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 768px) {
    :root{
        --page-padding: 16px;
    }
    .train_box .train_nav{
        padding: 0 var(--page-padding) 0;
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .train_box .train_nav::-webkit-scrollbar{
        display: none;
    }
    .train_box .train_nav .nav_item{
        width: auto;
        min-width: 0;
        height: 52px;
        flex: 0 0 auto;
        padding: 0 18px;
    }
    .train_box .train_nav .nav_item div{
        font-size: 16px;
        white-space: nowrap;
    }

    .train_box .train_con{
        padding: 24px var(--page-padding);
        flex-direction: column;
        align-items: stretch;
    }
    .train_box .train_con .train_left{
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 18px;
    }
    .train_box .train_con .train_left .train_item .title{
        font-size: 20px;
    }

    .train_box .train_con .train_right{
        display: flex;
        justify-content: center;
    }
    .train_box .train_con .train_right .train_circle{
        width: min(88vw, 420px);
        height: min(88vw, 420px);
    }
    .train_box .train_con .train_right .train_circle .circle_img{
        width: 70%;
        height: 70%;
    }
    .train_box .train_con .train_right .train_circle .circle_small{
        width: 54px;
        height: 54px;
    }

    .case_box .case_title{
        font-size: 24px;
    }
    .case_box .case_list{
        margin-top: 28px;
        grid-template-columns: 1fr;
    }
    .case_box .case_list .case_item img{
        height: 180px;
    }
    .case_box .case_list .case_item .item_con{
        padding: 16px 18px;
        margin-top: -32px;
    }
    .case_box .case_btn{
        margin-top: 20px;
    }
}

@media (max-width: 480px) {
    .case_box{
        padding: 24px 16px;
    }
    .case_box .case_list{
        margin-top: 24px;
    }
    .train_box .train_nav{
        gap: 12px;
    }
    .train_box .train_nav .nav_item{
        height: 50px;
        justify-content: flex-start;
        padding: 0 16px;
    }
    .train_box .train_nav .nav_item img{
        margin-right: 10px;
    }

    .train_box .train_con{
        margin-top: 20px;
    }
    .train_box .train_con .train_left .train_item .detail{
        line-height: 22px;
    }

    .train_box .train_con .train_right .train_circle .circle_small{
        width: 48px;
        height: 48px;
    }
    .train_box .train_con .train_right .train_circle .circle_small1{
        top: 18px;
        right: 44px;
    }
    .train_box .train_con .train_right .train_circle .circle_small2{
        top: 108px;
        right: -10px;
    }
    .train_box .train_con .train_right .train_circle .circle_small3{
        top: 202px;
        right: -10px;
    }
    .train_box .train_con .train_right .train_circle .circle_small4{
        top: 262px;
        right: 44px;
    }
}