*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.container{
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    overflow: hidden;
}
a{
    cursor: pointer;
    text-decoration: none;
    outline: none !important;
    color: #000;
}
strong{
    color: #363636;
    font-weight: 700;
}
html{
    font-size: 16px;
}


/* 段落抬头 */
.section-title{
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    padding: 68px 0;
    width: 100%;
}
    .section-title > span{
        position: relative;
        display: inline-block;
        padding-bottom: 20px;
    }
    .section-title > span::after{
        content: '';
        position: absolute;
        width: 80%;
        height: 4px;
        border-radius: 99px;
        background-color: #ffdc32;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
    }

.emerge{
    animation: emerge 0.5s ease;
}
/* 公共动画 */
@keyframes emerge{
    0%{
        transform: translateY(50%);
        opacity: 0;
    }
    100%{
        transform: translateY(0);
        opacity: 1;
    }
}



/* banner */
#banner{
    padding: 68px 0;
    background-color: #fff;
    background-image: url('../images/laboratory-banner.jpg');
    background-position: center center;
    background-size: 100% auto;
    background-repeat: no-repeat;
    height: 525px;
    position: relative;
}
#banner > .container{
    width: auto;
    height: 100%;
    max-width: 1344px;
    margin: 0 auto;
    position: relative;
    padding: 0 12px;
    overflow: hidden;
}
    .banner-columns{
        display: flex;
        height: 100%;
        justify-content: center;
    }
    .banner-column{
        width: 50%;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .banner-p1{
        font-size: 42px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 4px;
    }
    .banner-p2{
        font-size: 42px;
        color: #fff;
        letter-spacing: 4px;
    }



/* 步步衡步态实验室 */
#info{
    width: 100%;
}
#info > .container{
    width: 100%;
    height: auto;
    max-width: 1344px;
    margin: 0 auto;
    position: relative;
    padding: 0 12px;
}
    .info-columns{
        width: 100%;
        display: flex;
        padding: 50px 0;
    }
        .info-column{
            width: 50%;
            padding: 20px 0;
            display: flex;
            justify-content: center;
            flex-direction: column;
        }
        .info-column:nth-child(2){
            padding-left: 12%;
            box-sizing: border-box;
        }
    .info-title{
        font-size: 36px;
        font-weight: 600;
        padding: 16px 0;
        position: relative;
        margin-bottom: 20px;
    }
    .info-title::after{
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 72px;
        height: 3px;
        background-color: #ffdc32;
    }
    .info-text{
        line-height: 24px;
        padding-right: 12%;
    }
    .info-img{
        /* padding-left: 12%; */
        width: 100%;
        border-radius: 12px;
    }

    .info-steps{
        display: flex;
        flex-wrap: wrap;
        padding: 20px 0;
    }
    .info-step-item{
        width: 12%;
        height: 100px;
        background-color: #ccc;
        overflow: hidden;
        white-space: ellipsis;
        border-radius: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
        font-size: 20px;
        font-weight: 600;
    }
    /* .info-steps div:nth-child(n){
        background-color: #ffdc32;
    } 
    .info-steps div:nth-child(n+1){
        background-color: #dfdfdf;
    }  */
    .info-step-item:nth-child(1){
        background-color: #ffdc32;
    }
    .info-step-item:nth-child(3){
        background-color: #dfdfdf;
    } 
    .info-step-item:nth-child(5){
        background-color: #ffdc32;
    }
    .info-step-item:nth-child(7){
        background-color: #dfdfdf;
    }
    .info-step-item:nth-child(9){
        background-color: #ffdc32;
    }
    .info-step-item:nth-child(11){
        background-color: #dfdfdf;
    }
    .info-step-icon{
        width: 5.6%;
        display: flex;
        align-items: center;
    }
        .info-step-icon > img{
            display: inline-block;
            width: 100%;
            height: auto;
            padding: 10px;
        }


#examine{
    width: 100%;
    padding: 20px 0;
}
#examine > .container{
    width: 100%;
    height: auto;
    max-width: 1344px;
    margin: 0 auto;
    position: relative;
    padding: 0 12px;
}
    .examine-columns{
        width: 100%;
        display: flex;
        flex-wrap: wrap;
    }
        .examine-column{
            width: 33.33333%;
            padding: 10px 10px;
        } 
            .examine-item{
                width: 100%;
                box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
                border-radius: 20px;
                cursor: pointer;
                overflow: hidden;
            }
            .examine-item:hover .examine-img > img{
                transform: scale(1.03);
            }
            .examine-img{
                width: 100%;
                overflow: hidden;
            }
            .examine-img > img{
                width: 100%;
                transition: all 0.3s ease-in-out;
            }
            .examine-text{
                height: 150px;
                padding: 20px 20px 0 20px;
            }



/* 案例集合 */
#case{
    width: 100%;
    margin-bottom: 50px;
}
#case > .container{
    width: 100%;
    height: auto;
    max-width: 1344px;
    margin: 0 auto;
    position: relative;
    padding: 0 12px;
}
    .case-buttons{
        padding: 30px 0;
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }
        .case-button-item{
            padding: 6px 30px;
            border: 1px solid #000;
            border-radius: 5px;
            margin: 0 10px;
            font-size: 18px;
            cursor: pointer;
        } 
        .case-button-item:hover{
            background-color: #ffdc32;
        }
        .case-button-item.active{
            font-weight: 600;
            background-color: #ffdc32;
        }

    .case-warpper{
        width: 100%;
        overflow: hidden; 
        padding: 50px 0;
    }
    .case-content{
        display: none;
    }
    .case-content.left{
        animation: case_left 0.3s ease-in-out;
    }
    .case-content.right{
        animation: case_right 0.3s ease-in-out;
    }
    .case-content.active{
        display: block;
    }
        .case-columns{
            display: flex;
            flex-wrap: wrap;
        }
            .case-column{
                padding: 2.5px 5px;
            } 
            .case-column > img{
                width: 100%;
            }
            .case-column.width100{
                width: 100%;
            }
            .case-column.width57_5{
                width: 57.5%;
            }
            .case-column.width42_5{
                width: 42.5%;
            }
            .case-column.width33_33{
                width: 33.333333%;
            }
@keyframes case_left{
    0%{
        opacity: 0;
        transform: translateX(-30%);
    }
    100%{
        opacity: 1; 
        transform: translateX(0);
    }
}
@keyframes case_right{
    0%{
        opacity: 0;
        transform: translateX(30%);
    }
    100%{
        opacity: 1; 
        transform: translateX(0);
    }
}

.mini-show{
    display: none;
}
.mini-hide{
    display: block;
}
.mini-hide.flex{
    display: flex;
}
.mini-hide.inline{
    display: inline;
}

/* 案例 - 手机端 */
.case-mobile-item{
    padding: 10px 8px;
}
.case-mobile-content{
    border: 1px solid #000;
    border-radius: 10px;
    overflow: hidden;
}
.case-mobile-item-type{
    font-size: 18px;
    font-weight: 600;
    color: #000;
    background-color: #ffdc32;
    padding: 10px 20px;
}
.case-mobile-item-label{
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background-color: #333333;
    padding: 5px 22px;
}
.case-mobile-item-example{
    padding: 10px;
}
.case-mobile-item-example > img{
    width: 100%;
}
.case-mobile-item-photo{
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    justify-content: center;
}
.case-mobile-photo-item{
    width: 33.33%;
    font-size: 0;
    padding: 10px 5px;
}
.case-mobile-photo-item > img{
    width: 100%;
}
.case-mobile-photo-item > .name{
    font-size: 12px;
    text-align: center;
    /* padding: 5px 0; */
    padding-top: 8px;
}


/* 适配方案 */
@media screen and (max-width: 1700px){
    #banner{
        background-size: auto 100%;
    }
}

@media screen and (max-width: 750px){
    .mini-show{
        display: block;
    }
    .mini-show.flex{
        display: flex;
    }
    .mini-hide{
        display: none !important;
    }
    .section-title{
        font-size: 28px;
        padding: 20px 0;
    }
    .section-title > span{
        padding-bottom: 10px;
    }

    /* banner */
    #banner{
        background-position: 60% center;
    }
    .banner-shade{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    .banner-shade-content{
        text-align: center;
        margin-top: 16%;
    }


    /* info */
    .info-columns{
        flex-wrap: wrap;
        padding: 16px 0;
    }
    .info-column{
        width: 100%;
    }
    .info-title{
        font-size: 28px;
        margin-bottom: 20px;
        text-align: center;
    }
    .info-title::after{
        left: 50%;
        transform: translateX(-50%);
    }
    .info-text{
        font-size: 12px;
        padding: 0 28px;
    }
    .info-column:nth-child(2){
        padding: 0;
    }
    .info-step-item{
        height: 70px;
        width: 33.333%;
        transform: scale(0.95);
        border-radius: 8px;
        font-size: 18px;
        position: relative;
    }
    .info-step-index{
        font-size: 50px;
        line-height: 50px;
        position: absolute;
        bottom: 0;
        left: 0;
        opacity: .3;
        color: #fff;
        font-weight: 600;
    }

    /* 检测技术 */
    .examine-column{
        width: 100%;
    }
    .examine-item{
        display: flex;
        align-items: center;
        border-radius: 4px;
    }
    .examine-img{
        width: 45%;
        height: 110px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .examine-img > img{
        width: auto;
        height: 100%;
    }
    .examine-text{
        width: 55%;
        height: auto;
        font-size: 12px;
        padding: 10px 10px;
    }

    

}