.white-nav .head .nav li .energyPC{
    border-bottom: 2px solid #fff;
}
.black-nav .head .nav li .energyPC{
    border-bottom: 2px solid #111;
}
#page1{
    background-image: url("/images/bg/3_energyPC_1.jpg");
}

#page2{
    /*background-image: url("/images/bg/3_energyPC_2.jpg");*/
}
#page3{
    /*background-image: url("/images/bg/3_energyPC_3.jpg");*/
    background: #F6F6F6;
}
#page4{
    background-image: url("/images/bg/3_energyPC_4_0.jpg");
    background-position-y: center;
}

#page1 .text{
    position: absolute;
    top: calc(calc(var(--real-vh, 1vh) * 100) * 250 / 1080);
    left: calc(100vw * 300 / 1920);
}
#page1 .text .company{
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080),calc(100vw * 50 / 1920));
    /*font-size: clamp(25px, 3vw, 60px);*/
    line-height: 1;
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 30 / 1080);
    color: #fff;
}
#page1 .text .sm{
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 28 / 1080),calc(100vw * 28 / 1920));
    color: #FFFFFF;
    font-weight: 300;
    line-height: 1.5;
}

#page2 .chart-box{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
}

#page2 .text{
    margin-top: calc(calc(var(--real-vh, 1vh) * 100) * 78 / 1080);
    margin-left: calc(100vw * 200 / 1920);
    max-width: calc(100vw - calc(100vw * 300 / 1920));
    display: flex;
    /*justify-content: center;*/
    align-items: baseline;
    vertical-align: middle;
}
#page2 .text .company{
    font-size: min(calc(100vw * 28 / 1920),calc(calc(var(--real-vh, 1vh) * 100) * 28 / 1080));
    /*font-size: clamp(25px, 3vw, 60px);*/
    line-height: 1.428;
    font-weight: 400;
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 70 / 1080);
    color: #111;
    letter-spacing: 1.5px;
}
#page2 .sm{
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 26 / 1080),calc(100vw * 26 / 1920));
    /*font-size: clamp(16px,calc(100vw * 16 / 1920),20px);*/
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #111111;
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 49 / 1080);
    margin-left: calc(100vw * 200 / 1920);
}

#page2 .text .go-more{
    width: calc(calc(var(--real-vh, 1vh) * 100) * 230 / 1080);
    /*min-width: 164px;*/
    height: calc(calc(var(--real-vh, 1vh) * 100) * 51 / 1080);
    background: linear-gradient(90deg, #3A87CD, #75BDFF);;
    border-radius: calc(calc(var(--real-vh, 1vh) * 100) * 25 / 1080);
    margin-left: calc(100vw * 68 / 1980);
    display: flex;
    justify-content: center;
    align-items: center;
    vertical-align: middle;
    cursor: pointer;
}
#page2 .text .go-more span{
    font-size: calc(calc(var(--real-vh, 1vh) * 100) * 14 / 1080);
    color: #fff;
    margin-right: calc(calc(var(--real-vh, 1vh) * 100) * 12 / 1080);
}
#page2 .text .go-more img{
    display: inline-block;
    width: calc(calc(var(--real-vh, 1vh) * 100) * 28 / 1080);
    height: calc(calc(var(--real-vh, 1vh) * 100) * 28 / 1080);
}
#page2 .chart{
    display: flex;
    align-items: end;
    margin-right: calc(100vw * 200 / 1920);
}
#page2 .img{
    margin-left: calc(100vw * 200 / 1920);
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 495 / 1080),calc(100vw * 495 / 1920));
}
#page2 .legend{
    margin-left: calc(calc(var(--real-vh, 1vh) * 100) * 83 / 1080);
}
#page2 .legend .item{
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080);
}
#page2 .legend .item:last-child{
    margin-bottom: 0;
}
#page2 .legend .item span{
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 40 / 1080),calc(100vw * 40 / 1920));
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 20 / 1080),calc(100vw * 20 / 1920));
    margin-right: 8px;
    display: inline-block;
    float: left;
}
#page2 .legend .item b{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 20 / 1080),calc(100vw * 20 / 1920));
    color: #555555;
    float: left;
}
#page3 .page3-content{
    position: absolute;
    top: calc(calc(var(--real-vh, 1vh) * 100) * 204 / 1080);
    left: 50%;
    transform: translateX(-50%);
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 1578 / 1080),calc(100vw * 1578 / 1920));
    z-index: 1;
}
#page3 .tabs{
    /*margin-top: calc(calc(var(--real-vh, 1vh) * 100) * 240 / 1080);*/
    margin-right: calc(100vw * 60 / 1920);
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 80 / 1080);
}
#page3 .tabs ul{
    float: right;
}
#page3 .tabs ul li{
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 140 / 1080),calc(100vw * 140 / 1920));
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080),calc(100vw * 50 / 1920));
    line-height:min(calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080),calc(100vw * 50 / 1920));
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    color: #111111;
    background: #fff;
    float: left;
    text-align: center;
    margin-left: min(calc(calc(var(--real-vh, 1vh) * 100) * 28 / 1080),calc(100vw * 28 / 1920));
    cursor: pointer;
}
#page3 .tabs ul li.active{
    background: linear-gradient(90deg, #3A87CD, #75BDFF);
    color: #FFFFFF;
}

#page3 .tab-content{
    /*margin-left: calc(100vw * 210 / 1920);*/
    /*padding-right: calc(100vw * 140 / 1920);*/
}

#page3 .tab-content .tab-item{
    position: relative;
    display: none;
    animation: opacityAnimation linear 0.5s; /* 应用opacityAnimation动画，持续2秒，无限次播放 */
}

#page3 .tab-content .tab-item:first-child{
    position: relative;
    display: block;
}

#page3 .tab-content .tab-item-item{
    position: relative;
    width: max-content;
    /*display: none;*/
    animation: opacityAnimation linear 0.5s; /* 应用opacityAnimation动画，持续2秒，无限次播放 */
}

#page3 .tab-content .tab-item-item .tab-imgs{
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 1002 / 1080),calc(100vw * 1002 / 1920));
    margin-left: min(calc(calc(var(--real-vh, 1vh) * 100) * 100 / 1080),calc(100vw * 100 / 1920));
    float: right;
}
#page3 .tab-content .tab-item-item .tab-imgs h1{
    background: #8E8E8E;
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    color: #FFFFFF;
    text-align: center;
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080),calc(100vw * 50 / 1920));
    line-height: min(calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080),calc(100vw * 50 / 1920));
    margin-bottom: 5px;
}
#page3 .tab-content .tab-item-item .tab-imgs ul{
    display: flex;
    margin-bottom: 5px;
}
#page3 .tab-content .tab-item-item .tab-imgs ul li{
    margin-right: min(calc(calc(var(--real-vh, 1vh) * 100) * 6 / 1080),calc(100vw * 6 / 1920));
}
#page3 .tab-content .tab-item-item .tab-imgs ul li:last-child{
    margin-right: 0;
}
#page3 .tab-content .tab-item-item .tab-imgs ul li img{
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 220 / 1080),calc(100vw * 220 / 1920));
}
#page3 .tab-content .tab-item-item .tab-imgs ul li h2{
    background: #fff;
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    color: #111;
    text-align: center;
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080),calc(100vw * 36 / 1920));
    line-height: min(calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080),calc(100vw * 36 / 1920));
}

#page3 .tab-content .tab-item-item:first-child{
    /*display: block;*/
}

#page3 .tab-content .tab-item-item .txt{
    color: #111;
    float: left;
    margin-top: min(calc(calc(var(--real-vh, 1vh) * 100) * 55 / 1080),calc(100vw * 55 / 1920));
}


#page3 .tab-content .tab-item-item .txt .title{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080),calc(100vw * 36 / 1920));
    color: #111111;
    margin-bottom: min(calc(calc(var(--real-vh, 1vh) * 100) * 79 / 1080),calc(100vw * 79 / 1920));
}

#page3 .tab-content .tab-item-item .txt .title>span{
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    margin-left: min(calc(calc(var(--real-vh, 1vh) * 100) * 10 / 1080),calc(100vw * 10 / 1920));
}

#page3 .tab-content .tab-item-item .txt .sbt{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    color: #111111;
    margin-bottom: min(calc(calc(var(--real-vh, 1vh) * 100) * 6 / 1080),calc(100vw * 6 / 1920));
    line-height: 1.5;
    /*letter-spacing: 1px;*/
    text-align: justify;
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 476 / 1080),calc(100vw * 476 / 1920));
}
#page3 .tab-content .tab-item-item .txt .sbt .sub{
    width:min(calc(calc(var(--real-vh, 1vh) * 100) * 24*4.8 / 1080),calc(100vw * 24*4.8 / 1920));
    height:min(calc(calc(var(--real-vh, 1vh) * 100) * 24 / 1080),calc(100vw * 24 / 1920));
    text-align: justify;
    float: left;
}
#page3 .tab-content .tab-item-item .txt .sbt .sub::after {
    content: '';
    display: inline-block;
    width: 100%;
}
#page3 .tab-content .tab-item-item .txt .sbt b{
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 32 / 1080),calc(100vw * 32 / 1920));
}
#page3 .tab-content .tab-item-item>img{
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 1000 / 1080),calc(100vw * 1000 / 1920));
    height: max-content;
    /*height: calc(calc(var(--real-vh, 1vh) * 100) * 580 / 1080);*/
    margin-left: min(calc(calc(var(--real-vh, 1vh) * 100) * 100 / 1080),calc(100vw * 100 / 1920));
    float: left;
}

#page3 .tab-content .pagination{
    position: absolute;
    right: min(calc(calc(var(--real-vh, 1vh) * 100) * 1101 / 1080),calc(100vw * 1101 / 1920));
    bottom: min(calc(calc(var(--real-vh, 1vh) * 100) * 43 / 1080),calc(100vw * 43 / 1920));
    z-index: 3;
}

#page3 .tab-content .pagination .indicator{
    float: left;
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 23 / 1080),calc(100vw * 23 / 1920));
    color: #111111;
    border-bottom: 1px solid #8E8E8E;
    padding-bottom: 2px;
    margin-right: min(calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080),calc(100vw * 36 / 1920));
    margin-top: -4px;
}

#page3 .tab-content .pagination .indicator .current{
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: min(calc(calc(var(--real-vh, 1vh) * 100) * 47 / 1080),calc(100vw * 47 / 1920));
    color: #FFFFFF;
    background: linear-gradient(0deg, #3A87CD 0%, #75BDFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


#page3 .tab-content .pagination .btn{
    float: left;
    width: min(calc(calc(var(--real-vh, 1vh) * 100) * 60 / 1080),calc(100vw * 60 / 1920));
    height: min(calc(calc(var(--real-vh, 1vh) * 100) * 43 / 1080),calc(100vw * 43 / 1920));
    border: 1px solid #CCCCCC;
    display: inline-block;
    position: relative;
    cursor: pointer;
    background: #F6F6F6;
}

#page3 .tab-content .pagination .pre-btn{
    border-right: 0;
}

#page3 .tab-content .pagination .pre-btn:after{
    content: ""; /* 必须设置content属性，即使是空字符串 */
    position: absolute;
    left: 50%; /* 水平居中 */
    top: 50%; /* 水平居中 */
    width: 0; /* 宽度为0 */
    height: 0; /* 高度为0 */
    border-top: min(calc(calc(var(--real-vh, 1vh) * 100) * 8 / 1080),calc(100vw * 8 / 1920)) solid transparent; /* 左边框透明 */
    border-bottom: min(calc(calc(var(--real-vh, 1vh) * 100) * 8 / 1080),calc(100vw * 8 / 1920)) solid transparent; /* 右边框透明 */
    border-right: min(calc(calc(var(--real-vh, 1vh) * 100) * 13 / 1080),calc(100vw * 13 / 1920)) solid #111; /* 上边框为三角形的高度和颜色 */
    transform: translate(-50%,-50%); /* 调整位置以完全居中 */
}

#page3 .tab-content .pagination .next-btn:after{
    content: ""; /* 必须设置content属性，即使是空字符串 */
    position: absolute;
    left: 50%; /* 水平居中 */
    top: 50%; /* 水平居中 */
    width: 0; /* 宽度为0 */
    height: 0; /* 高度为0 */
    transform: translate(-50%,-50%); /* 调整位置以完全居中 */
    border-top: min(calc(calc(var(--real-vh, 1vh) * 100) * 8 / 1080),calc(100vw * 8 / 1920)) solid transparent; /* 左边框透明 */
    border-bottom: min(calc(calc(var(--real-vh, 1vh) * 100) * 8 / 1080),calc(100vw * 8 / 1920)) solid transparent; /* 右边框透明 */
    border-left: min(calc(calc(var(--real-vh, 1vh) * 100) * 13 / 1080),calc(100vw * 13 / 1920)) solid #111; /* 上边框为三角形的高度和颜色 */
}
#page3 .tab-content .pagination .pre-disabled:after{
    border-right-color: #ccc;
}
#page3 .tab-content .pagination .next-disabled:after{
    border-left-color: #ccc;
}
#page4 .text{
    position: absolute;
    top: calc(calc(var(--real-vh, 1vh) * 100) * 210 / 1080);
    left: calc(100vw * 320 / 1920);
}
#page4 .text .company{
    font-size: calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080);
    /*font-size: clamp(25px, 3vw, 60px);*/
    line-height: 1;
    margin-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 32 / 1080);
    color: #111;
    float: left;
    margin-right: calc(100vw * 50 / 1920);
}

#page4 .text .go-more{
    width: calc(calc(var(--real-vh, 1vh) * 100) * 200 / 1080);
    /*min-width: 164px;*/
    height: calc(calc(var(--real-vh, 1vh) * 100) * 52 / 1080);
    background: #fff;
    border-radius: calc(calc(var(--real-vh, 1vh) * 100) * 26 / 1080);
    display: flex;
    justify-content: center;
    align-items: center;
    vertical-align: middle;
    cursor: pointer;
}
#page4 .text .go-more span{
    font-size: calc(calc(var(--real-vh, 1vh) * 100) * 20 / 1080);
    color: #111111;
    margin-right: calc(calc(var(--real-vh, 1vh) * 100) * 22 / 1080);
}
#page4 .text .go-more img{
    display: inline-block;
    width: calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080);
    height: calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080);
}
#page4 .case-tab{
    position: absolute;
    bottom: 0;
    left:0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    vertical-align: middle;
    flex: 1;
    background: url("/images/energyPC/bg_bar.jpg") no-repeat center center;
    background-size: cover;
}
#page4 .case-tab li:nth-child(2){
    border-right: 1px solid rgba(246, 246, 246, 0.3);
    border-left: 1px solid rgba(246, 246, 246, 0.3);
}
#page4 .case-tab li{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: calc(calc(var(--real-vh, 1vh) * 100) * 36 / 1080);
    color: #FFFFFF;
    flex: 1;
    text-align: center;
    height: calc(calc(var(--real-vh, 1vh) * 100) * 128 / 1080);
    line-height: calc(calc(var(--real-vh, 1vh) * 100) * 128 / 1080);
    cursor: pointer;
    background: rgba(17,17,17,0.32);
}
#page4 .case-tab .active{
    background: linear-gradient(90deg, #3A87CD, #75BDFF);
}
.swiper-slide{
    overflow: hidden;
}
@media (max-width: 1200px) {
    .break-line{
        display: none;
    }
}
@media (min-width: 1200px) {
    .break-line{
        display: block;
    }
}