body {
    color: #333;
}

.banner {
    height: 780px;
    background: url(../images2/electrician.png) no-repeat center center/cover;
    color: #fff;
}

.banner-inner {
    padding-top: 260px;
    padding-left: 35px;
}

.banner-title {
    font-size: 72px;
    margin-bottom: 50px;
}

.banner-dec {
    font-size: 30px;
}

.box {
    padding: 100px 0;
}

.box--2 {
    background-color: #f5f5f6;
}

.title--en {
    text-align: center;
    font-size: 30px;
    color: #333333;
    margin-bottom: 60px;
}

.box1 .title--en {
    margin-bottom: 30px;
}

.box1 .box-inner{
    align-items: center;
}

.box1 .img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 90px;
    margin-left: 120px;
    flex-shrink: 0;
}

.box1 .img img {}

.box1 .text {
    overflow: hidden;
    padding: 30px;
    padding-top: 0;
}

.box1 .text p {
    text-indent: 36px;
    margin-top: 20px;
    font-size: 16px;
}

.box1 .text p:first-child {
    margin-top: 0;
}

.box2 .box-inner {
    margin-right: -2%;
}

.box2 .item {
    width: 23%;
    margin-right: 2%;
    position: relative;
    float: left;
    cursor: pointer;
}

.box2 .item img {
    display: block;
    width: 100%;
}

.box2 .item-content {
    top: 50%;
    left: 50%;
    color: #fff;
    transform: translate(-50%, -50%);
    display: none;
    position: absolute;
    width: 86%;
}

.box2 .item.active .mask {
    display: block;
}

.box2 .item.active .item-content {
    display: block;
}

.box2 .item .title {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}

.box2 .item .text {
    font-size: 16px;
    line-height: 26px;
    text-align: justify;
}

.box3 .box-inner {
    margin-right: -4%;
}

.box3 .item {
    border: 1px solid #cccccc;
    width: 46%;
    margin-right: 4%;
    float: left;
    padding: 15px;
    height: 240px;
    margin-top: 42px;
}
.box3 .item:first-child{
    margin-top: 0;
}
.box3 .item:first-child+.item{
    margin-top: 0;
}
@media screen and (max-width: 1440px) {
    .box3 .item {
        height: 270px;
    }
}

.origin {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #333333;
    margin-right: 12px;
    vertical-align: middle;
    margin-top: 12px;
    flex-shrink: 0;
}

.item-title {
    font-size: 24px;
    margin-bottom: 10px;
}

.item-title .num {
    background-color: #5ac5f2;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    line-height: 48px;
    color: #fff;
    font-size: 36px;
    text-align: center;
    display: inline-block;
    margin-right: 20px;
}

.item-content {
    font-size: 16px;
    line-height: 30px;
}