body {
    cursor: default;
    background-color: #f5f5f7;
}

.line {
    margin: 55px 0 60px;
    border-bottom: 1px solid #BDBDBD;
}

.item1 img {
    width: 100%;
    height: 60vh;
    margin-top: 50px;
}

.red-line {
    margin: 0 0 60px;
}


/* 2222 */

.item2 {
    padding: 60px 0 150px;
    text-align: center;
}

.title {
    font-size: 35px;
}

.title2 {
    font-weight: 700;
    font-size: 18px;
    color: #a8a8a8;
}

.item2 .content {
    margin-top: 40px;
    text-align: left;
}

.item2 .content h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.item2 .content .text {
    text-align: justify;
    color: #777777;
    font-size: 20px;
}


/* 333 */

#dingzhi {
    display: flex;
    width: 1400px;
    height: 520px;
    margin: 0 auto 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 2px 4px 16px 7px rgb(112 161 204 / 10%);
}


/* index2 */

.index2 #dingzhi {
    height: 797px;
}


/* index3 */

.index3 #dingzhi {
    height: 593px;
}


/* index4 */

.index4 #dingzhi {
    height: 670px;
}

.index6 .content,
.index4 .content {
    display: flex;
}

.index6 .content .left,
.index4 .content .left {
    flex: 1;
    overflow: hidden;
}

.index6 .left img,
.index4 .left img {
    width: 100%;
    transform: scale(1);
    transition: all .5s;
}

.index6 .left:hover img,
.index4 .left:hover img {
    transform: scale(1.1);
}

.index1 {
    padding: 45px 0 0!important;
}

.index1-2 {
    padding: 0px 0 60px!important;
}

.index2,
.index3,
.index4,
.index5,
.index6,
.index4 {
    padding: 45px 0 60px!important;
}

.index6 .content .right,
.index4 .content .right {
    flex: 1;
    padding: 55px 30px;
}


/* index6 */

.index6 #dingzhi {
    height: 555px;
}


/* 总 */

#dingzhi .box {
    flex: 1;
    border: 1px solid rgb(255, 255, 255);
    background-color: #777777;
    /* width: 200px; */
    transition: all 1s;
}

#dingzhi .box img {
    width: 100%;
    height: 100%;
    transition: all .5s;
}

#dingzhi .box:nth-child(1) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/1-1.jpg');
    background-size: cover;
}

#dingzhi .box:nth-child(2) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/1-2.jpg');
    background-size: cover;
}

#dingzhi .box:nth-child(3) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/1-3.jpg');
    background-size: cover;
}

#dingzhi .box:nth-child(4) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/1-4.jpg');
    background-size: cover;
}

.actived1 {
    flex: 6!important;
}

.show {
    opacity: 1;
}

.hide {
    opacity: 0;
}


/* 444 */

#dingzhi2 {
    display: flex;
    width: 1400px;
    height: 620px;
    margin: 0 auto 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 2px 4px 16px 7px rgb(112 161 204 / 10%);
}

#dingzhi2 .box {
    flex: 1;
    border: 1px solid rgb(255, 255, 255);
    background-color: #777777;
    transition: all 1s;
}

#dingzhi2 .box img {
    width: 100%;
    height: 100%;
    transition: all .5s;
}

.actived2 img {
    width: 100%;
    height: auto;
}

#dingzhi2 .box:nth-child(1) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/2-1.jpg');
    background-size: cover;
}

#dingzhi2 .box:nth-child(2) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/2-2.jpg');
    background-size: cover;
}

#dingzhi2 .box:nth-child(3) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/2-3.jpg');
    background-size: cover;
}

#dingzhi2 .box:nth-child(4) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/2-4.jpg');
    background-size: cover;
}

#dingzhi2 .box:nth-child(5) {
    background: url('../../static/img/laboratory/1-EMC电磁兼容实验室/2-5.jpg');
    background-size: cover;
}

.actived2 {
    flex: 6!important;
}

@media screen and (max-width:1500px) {
    .item2 {
        padding: 10vw 0 12vw!important;
    }
    .home {
        width: 100%;
    }
    .item2 .content {
        padding: 0 2vw;
    }
    .item2 .content h3 {
        font-size: 2vw;
        margin-bottom: 1vw;
    }
    .item2 .content .text {
        font-size: 1.5vw;
    }
    .red-line {
        margin: 0;
    }
    .index2,
    .index3,
    .index4,
    .index5,
    .index6,
    .index4 {
        padding: 6vw 2vw 6vw!important;
    }
    .index1 {
        padding: 6vw 2vw 0vw!important;
    }
    .item3 {
        width: 100%;
    }
    /* 2张 */
    .index5 #dingzhi,
    .index4 #dingzhi,
    .index3 #dingzhi,
    .index2 #dingzhi,
    #dingzhi2,
    #dingzhi {
        width: 100%;
        height: 45vw;
        padding: 0;
    }
    .index2 #dingzhi {
        height: 53vw;
    }
    .index6 #dingzhi {
        width: 100%;
        height: 40vw;
        padding: 0;
    }
    #dingzhi {
        height: 42vw;
    }
    #dingzhi2 {
        margin-bottom: 0;
    }
    .index1-2 {
        padding: 0 2vw 6vw!important;
    }
}

@media screen and (max-width:993px) {
    .item2 {
        padding: 15vw 0 20vw!important;
    }
    .item2 .content h3 {
        font-size: 3vw;
        margin-bottom: 1vw;
    }
    .item2 .content .text {
        font-size: 2vw;
    }
    #dingzhi {
        height: 40vw;
        margin: 0;
    }
    .index1 #dingzhi {
        margin-bottom: 3vw;
    }
    .index6 .content,
    .index4 .content {
        display: block;
    }
    .index6 .content .right,
    .index4 .content .right {
        padding: 4vw 0 0;
        flex: none;
    }
    /* 2张图片的 */
    .index5 #dingzhi,
    .index4 #dingzhi,
    .index3 #dingzhi,
    .index2 #dingzhi {
        height: 51vw;
    }
    .index6 #dingzhi {
        height: 40vw;
    }
    .item2 .content {
        margin-top: 0;
    }
}

@media screen and (max-width:445px) {
    .index2,
    .index3,
    .index4,
    .index5,
    .index6,
    .index4 {
        padding: 10vw 2vw 15vw!important;
    }
    .item2 {
        padding: 22vw 0 20vw!important;
    }
    .item2 .content h3 {
        font-weight: 700;
        font-size: 5vw;
        margin-bottom: .5rem;
    }
    .item2 .content .text {
        font-size: 3vw;
    }
    .item2 .content {
        padding: 0 5vw;
        margin-top: 0;
    }
    .index1 {
        padding: 10vw 2vw 0 !important;
    }
    .index1-2 {
        padding: 0 2vw 10vw!important;
    }
    #dingzhi {
        height: 40.5vw;
    }
    #dingzhi2 {
        height: 41vw;
    }
    .index5 #dingzhi,
    .index4 #dingzhi,
    .index3 #dingzhi {
        height: 50vw;
    }
    .index6 #dingzhi {
        height: 38vw;
    }
}