.pw-banner {
    height: 600px;
    width: 100%;
    background: url("../img/power/banner.jpg") no-repeat top center;
}

.pw-layer1,
.pw-layer4 {
    background-color: #F0F2F5;
    padding-bottom: 100px;
}

.pw-layer2,
.pw-layer5 {
    background-color: #F6F8FB;
    padding-bottom: 100px;
}

.pw-title {
    color: #2E3870;
    font-size: 60px;
    font-weight: bold;
    letter-spacing: 8px;
    line-height: 90px;
    padding: 100px 0 70px;
    text-align: center;
}

.pw-layer1 .banner {
    width: 1314px;
    height: 724px;
    margin: 0 auto;
    background: url("../img/power/layer1.png") no-repeat top center;
}

.pw-layer2 .banner {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding-top: 100px;
}

.pw-layer2 .banner .left {
    display: block;
    width: 1026px;
    height: 593px;
    margin-right: 60px;
    background: url("../img/power/layer2_1.png") no-repeat;
}

.pw-layer2 .banner .right {
    display: block;
    width: 523px;
    height: 496px;
    background: url("../img/power/layer2_2.png") no-repeat;
}

.pw-layer3 {
    height: 700px;
    width: 100%;
    background: url("../img/power/layer3.jpg") no-repeat top center;
}

.pw-layer4 .list {
    display: flex;
    justify-content: center;
}

.pw-layer4 .list .item {
    border: 1px solid #979797;
    -webkit-border-radius: 20px;
    border-radius: 20px;
    padding: 40px;
    max-width: 280px;
    margin: 0 30px;
    background-color: #FFF;
}

.pw-layer4 .list .item .icon {
    display: block;
    margin: auto;
    width: 100px;
    height: 100px;
    background: url("../img/power/layer4-icon.png") no-repeat;
}

.pw-layer4 .list .item .icon1 {
    background-position: 0 0;
}

.pw-layer4 .list .item .icon2 {
    background-position: 0 -101px;
}

.pw-layer4 .list .item .icon3 {
    background-position: 0 -202px;
}

.pw-layer4 .list .item .icon4 {
    background-position: 0 -303px;
}

.pw-layer4 .list .item .tit {
    font-size: 30px;
    text-align: center;
    letter-spacing: 5.88px;
    line-height: 45px;
    color: #000;
    font-weight: bold;
    padding: 40px 0 10px;
}

.pw-layer4 .list .item .txt {
    font-size: 24px;
    line-height: 50px;
    color: #999;
}

.pw-layer5 .slide {
    position: relative;
    width: 1390px;
    padding-top: 50px;
    margin: auto;
}

.pw-layer5 .slide .head {
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -705px;
    width: 400px;
    height: 170px;
    background: url("../img/power/layer5-head.jpg") no-repeat;
}

.pw-layer5 .slide .banner {
    width: 1298px;
    height: 800px;
    overflow: hidden;
    margin: auto;
}

.pw-layer5 .slide .banner ul {
    margin-left: 0;
    width: 12980px;
    height: 800px;
}

.pw-layer5 .slide .banner ul li {
    width: 1298px;
    float: left;
    height: 800px;
    position: relative;
}

.pw-layer5 .slide .banner ul li .tit {
    position: relative;
    z-index: 2;
    font-size: 60px;
    line-height: 90px;
    color: #000;
    font-weight: bold;
    letter-spacing: 15px;
    padding-top: 40px;
    padding-left: 26px;
}

.pw-layer5 .slide .banner ul li.bg1 {
    background: url("../img/power/layer5_1.png") no-repeat;
}

.pw-layer5 .slide .banner ul li.bg2 {
    background: url("../img/power/layer5_2.png") no-repeat;
}

.pw-layer5 .slide .dot {
    text-align: center;
    padding: 6px 0 67px;
}

.pw-layer5 .slide .dot .icon {
    display: inline-block;
    margin: 0 20px;
    width: 14px;
    height: 14px;
    -webkit-border-radius: 8px;
    border-radius: 8px;
    border: 1px solid #979797;
    background-color: #D8D8D8;
}

.pw-layer5 .slide .dot .icon.sel {
    border-color: #2E3870;
    background-color: #2E3870;
}

.pw-layer5 .page {
    position: absolute;
    width: 1390px;
    top: 460px;
}

.pw-layer5 .page > div {
    width: 20px;
    height: 34px;
    cursor: pointer;
    background: url("../img/power/layer5-icon.png") no-repeat;
}

.pw-layer5 .page .prev {
    float: left;
    background-position: 0 0;
}

.pw-layer5 .page .next {
    float: right;
    background-position: -21px 0;
}