.con_box .title {
    font-size: 36px;
    color: #333333;
    font-weight: bold;
    text-align: center;
    position: relative;
    z-index: 2;
}
/* 实训 */
.laboratory_box{
    background: linear-gradient(180deg, #EBF3FF 0%, #FFFFFF 72.51%);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 60px;
}
.laboratory_box .tab_nav{
    padding-top: 40px;
}
.laboratory_box .tab_nav .nav_item:nth-of-type(1) img {
    background: linear-gradient(207.54deg, #2BCAFF -4.99%, #1966FF 75.63%);
    border-radius: 50%;
    -webkit-mask-image: url('../images/laboratory_icon.svg');
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    mask-image: url('../images/laboratory_icon.svg');
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
}
.laboratory_box .laboratory_con{
    width: 100%;
    margin-top: 40px;
    position: relative;
}
.laboratory_box .laboratory_con{
    display: none;
}
.laboratory_box .laboratory_con.is-active{
    display: block;
}
.laboratory_box .laboratory_con.is-anim{
    animation: laboratoryConIn 0.35s ease both;
}
@keyframes laboratoryConIn{
    from{
        opacity: 0;
        transform: translateY(12px);
    }
    to{
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .laboratory_box .laboratory_con.is-anim{
        animation: none;
    }
}
.laboratory_box .laboratory_con .laboratory_left{
    width: 960px;
    height: 540px;
    border-radius: 0 16px 16px 0;
    overflow: hidden;
}
.laboratory_box .swiper_box .swiper-pagination {
    width: auto;
    position: absolute;
    bottom: 40px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
}
.laboratory_box .swiper_box .swiper-pagination-bullet {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid #c5c5c5;
    background-color: #ffffff;
    opacity: 1;
    margin: 0 6px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.laboratory_box .swiper_box .swiper-pagination-bullet-active {
    background-color: #3772FB;
    border: none;
}
.laboratory_box .laboratory_right{
    width: 1080px;
    height: 454px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px 0 0 16px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 2;
    padding: 60px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
}
.laboratory_box .laboratory_right .laboratory_item{
    border-right: 1px solid #d9d9d9;
    border-bottom: 1px solid #d9d9d9;
    padding-right: 40px;
    padding-bottom: 30px;
}
.laboratory_box .laboratory_right .laboratory_item:nth-of-type(2n){
    padding-left: 40px;
    border-right: none;
}
.laboratory_box .laboratory_right .laboratory_item:nth-of-type(3){
    border-bottom: none;
    padding-top: 30px;
}
.laboratory_box .laboratory_right .laboratory_item:nth-of-type(4){
    border-bottom: none;
    padding-top: 30px;
}
.laboratory_box .laboratory_right .laboratory_item .item_top{
    display: flex;
    align-items: center;
}
.laboratory_box .laboratory_right .laboratory_item .item_top img{
    width: 24px;
    height: 24px;
    margin-right: 12px;
}
.laboratory_box .laboratory_right .laboratory_item .item_top div{
    font-size: 24px;
    color: #333333;
    font-weight: bold;
    line-height: 1;
}
.laboratory_box .laboratory_right .laboratory_item .item_detail{
    font-size: 14px;
    color: #333333;
    line-height: 24px;
    margin-top: 20px;
}

/* 响应式 */
.laboratory_box .laboratory_con .laboratory_left img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 1400px) {
    .laboratory_box .laboratory_con .laboratory_left{
        width: min(900px, 100%);
        height: 506px;
    }
    .laboratory_box .laboratory_right{
        width: min(980px, 100%);
        padding: 48px;
    }
}

@media (max-width: 1200px) {
    .laboratory_box .laboratory_con .laboratory_left{
        width: min(820px, 100%);
        height: 462px;
        border-radius: 16px;
    }
    .laboratory_box .laboratory_right{
        width: min(860px, 100%);
        height: auto;
        padding: 40px;
    }
    .laboratory_box .swiper_box .swiper-pagination{
        bottom: 24px;
    }
}

@media (max-width: 992px) {
    .laboratory_box{
        padding: 36px 16px;
    }
    .laboratory_box .tab_nav{
        padding: 40px 0;
    }
    .laboratory_box .laboratory_con.is-active{
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .laboratory_box .laboratory_con .laboratory_left{
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
        border-radius: 16px 16px 0 0;
    }
    .laboratory_box .laboratory_right{
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        width: 100%;
        border-radius: 0 0 16px 16px;
        padding: 28px;
    }
    .laboratory_box .laboratory_right .laboratory_item{
        padding-right: 24px;
    }
    .laboratory_box .laboratory_right .laboratory_item:nth-of-type(2n){
        padding-left: 24px;
    }
}

@media (max-width: 768px) {
    .con_box .title{
        font-size: 28px;
    }
    .laboratory_box .tab_nav{
        padding-top: 28px;
        gap: 0 20px;
    }
    .laboratory_box .laboratory_con{
        margin-top: 28px;
    }

    .laboratory_box .laboratory_right{
        padding: 20px;
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .laboratory_box .laboratory_right .laboratory_item{
        border-right: none;
        padding-right: 0;
        padding-left: 0;
        padding-bottom: 18px;
    }
    .laboratory_box .laboratory_right .laboratory_item:nth-of-type(2n){
        padding-left: 0;
        border-right: none;
        padding-top: 18px;
    }
                .laboratory_box .laboratory_right .laboratory_item:nth-of-type(3){
                    border-bottom: 1px solid #d9d9d9;
                }
    .laboratory_box .laboratory_right .laboratory_item:nth-of-type(3),
    .laboratory_box .laboratory_right .laboratory_item:nth-of-type(4){
        padding-top: 18px;
    }
    .laboratory_box .laboratory_right .laboratory_item:last-child{
        border-bottom: none;
        padding-bottom: 0;
    }
    .laboratory_box .laboratory_right .laboratory_item .item_top div{
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .con_box .title{
        font-size: 24px;
    }
    .con_box .tab_nav .nav_item img{
        width: 20px;
        height: 20px;
    }
    .con_box .tab_nav .nav_item div{
        font-size: 15px;
    }
    .laboratory_box{
        padding: 24px 16px;
    }
    .laboratory_box .tab_nav{
        gap: 0 10px;
        padding: 20px 0;
    }
    .laboratory_box .tab_nav .nav_item{
        height: 50px;
    }
    .laboratory_box .laboratory_con{
        margin: 0;
    }
    .laboratory_box .laboratory_right{
        padding: 16px;
    }
    .laboratory_box .swiper_box .swiper-pagination-bullet{
        width: 12px;
        height: 12px;
        margin: 0 5px;
    }
}