#Contents *{
    box-sizing: border-box;
}
#cboxContent{
    margin-top: 10px;
}
#cboxOverlay{
    transition: .3s ease;
}
.GridSet {
    width: auto;
}
.light_bg{
    background-color: #f5f5f5;
}

section{
    max-width: 1275px;
    margin-inline: auto;
}
picture{
    display: block;
}
.headerSwiper{
    max-width: 1275px;
    overflow: hidden;
    margin-inline: auto;
    position: relative;
    margin-bottom: 50px;
    /* 点击切换过快时图片出现深蓝色的 */
    -webkit-user-select: none; /* Safari, Chrome, Opera */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* Internet Explorer/Edge */
    user-select: none;         /* Standard syntax */
    z-index: 0;
}

.headerSwiper .swiper-container .swiper-slide img{
    margin-bottom: 0;
}

.headerSwiper .swiper-container {
    position: relative;
}
.headerSwiper .swiper-pagination {
    bottom: 2%;
}
.headerSwiper .swiper-button-next,
.headerSwiper .swiper-button-prev {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    color: #C60000;
    transition: background-color 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    transform: translateY(-50%);
}
.headerSwiper:hover .swiper-button-next,
.headerSwiper:hover .swiper-button-prev {
    opacity: 1;
}
.headerSwiper .swiper-button-next:hover,
.headerSwiper .swiper-button-prev:hover {
    background-color: rgba(255, 255, 255, 1);
}
.headerSwiper .swiper-button-next::after,
.headerSwiper .swiper-button-prev::after {
    font-size: 22px;
    font-weight: bold;
}
.headerSwiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background-color: #ccc;
    opacity: 1;
    transition: all 0.3s ease;
}
.headerSwiper .swiper-pagination-bullet-active {
    background-color: #C60000;
}

.expoMain .outline{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 50px;
}
.expoMain .outline span{
    display: block;
    font-size: 30px;
    font-weight: bold;
    line-height: 1.5;
    text-align: center;
    width: 250px;
}
.expoMain .outline .icon_x{
    width: 80px;
    aspect-ratio: 1;
    background: url('/about/events/ciie2025/add/image/icon_x.svg') no-repeat;
    background-size: cover;
}
.expoMain .one_hitachi {
    margin-bottom: 50px;
}
.expoMain .one_hitachi h1{
    max-width: 1306px;
    margin-inline: auto;
    padding: 10px;
    background-color: #f0f0f0;
    border-radius: 50px;
    font-size: 35px;
    text-align: center;
    font-weight: bold;
    margin-bottom: 50px;
}
.expoMain .one_hitachi p{
    font-size: 16px;
    padding-inline: 15px;
}
/* .expoMain .one_hitachi p.abstract{
    font-size: 25px;
    margin-bottom: 50px;
}
.expoMain .one_hitachi p.abstract br{
    display: none;
} */
.expoMain .one_hitachi .picture-container {
    position: relative;
    width: 100%;
    background-color: #F5F5F5;
    margin-bottom: 30px;
}
.expoMain .one_hitachi .picture-container picture {
    display: block;
    max-width: 1275px;
    margin: 0 auto;
}
.expoMain .one_hitachi .picture-container picture img {
    width: 100%;
    display: block;
}
.expoMain .one_hitachi .introduction{
    max-width: 996px;
    margin-inline: auto;
    margin-bottom: 30px;
}
.expoMain .one_hitachi .expo_video{
    max-width: 750px;
    margin-inline: auto;
    padding-inline: 15px;
}
.expoMain .one_hitachi .expo_video .video-wrapper{
    aspect-ratio: 16/9;
    cursor: pointer;
    position: relative;
    display: flex;
}
video{
    width: 100%;
} 
.expoMain .one_hitachi .expo_video .video-wrapper video{
    width: 100%;
}
.expoMain .one_hitachi .expo_video .video-wrapper:before{
    content: "";
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    background-color: #B1000E;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.expoMain .one_hitachi .expo_video .video-wrapper:after {
    content: "";
    position: absolute;
    z-index: 1;
    width: 0;
    height: 0;
    top: 50%;
    left: 50%;
    margin: 0 0 0 2px;
    border-left: solid 16px #fff;
    border-top: solid 12px transparent;
    border-bottom: solid 12px transparent;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.expoMain .one_hitachi .expo_video .video-wrapper.playing:before,
.expoMain .one_hitachi .expo_video .video-wrapper.playing:after {
    display: none;
}

.expoMain .scene{
    position: relative;
    width: 100%;
    margin-bottom: 110px;
}
.expoMain .scene .sceneArea{
    max-width: 1306px;
    margin-inline: auto;
    padding-inline: 15px;
}

.expoMain .scene .sceneArea .sceneTitle{
    padding: 30px;
    color: #fff;
    margin-bottom: 30px;
    position: relative;
    background-repeat: no-repeat;
    background-position: right center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.expoMain .scene::before{
    content: '';
    display: block;
    width: 100%;
    height: calc(100% - 30px);
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
}
.expoMain .scene.green_energy::before{
    background-color: #F4F7F5;
}
.expoMain .scene.smart_city::before{
    background-color: #F4F6F9;
}
.expoMain .scene.industrial::before{
    background-color: #F4F1F5;
}
.expoMain .scene.pension::before{
    background-color: #F8F6F1;
}

.expoMain .scene.green_energy .sceneArea .sceneTitle{
    background-color: #338262;
    background-image: url('/about/events/ciie2025/add/image/green_energy_bg.png');
}
.expoMain .scene.smart_city .sceneArea .sceneTitle{
    background-color: #4A77A3;
    background-image: url('/about/events/ciie2025/add/image/smart_city_bg.png');
}
.expoMain .scene.industrial .sceneArea .sceneTitle{
    background-color: #7A5C8E;
    background-image: url('/about/events/ciie2025/add/image/industrial_bg.png');
}
.expoMain .scene.pension .sceneArea .sceneTitle{
    background-color: #988C51;
    background-image: url('/about/events/ciie2025/add/image/pension_bg.png');
}

.expoMain .scene .sceneArea .sceneTitle h2{
    font-size: 30px;
    font-weight: bold;
    background: transparent;
    margin-bottom: 0;
    padding-bottom: 15px;
}

.expoMain .scene .sceneArea .sceneTitle p{
    font-size: 20px;
}
.expoMain .scene .sceneArea>p{
    position: relative;
    margin-bottom: 30px;
    padding-inline: 30px;
}
.expoMain .scene .sceneArea .sceneList {
    position: relative;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: repeat(2, auto);
    gap: 30px;
    list-style: none;
    padding: 0;
    margin: 0;
    padding-inline: 30px;
}
.expoMain .scene .sceneArea .sceneList li{
    position: relative;
    transition: .3s ease;
}
.expoMain .scene .sceneArea .sceneList li:hover div{
    display: block;
    transition: .3s ease;
}
.expoMain .scene .sceneArea .sceneList li div{
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}
.expoMain .scene .sceneArea .sceneList li div span{
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    display: flex;
    gap: 10px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.expoMain .scene .sceneArea .sceneList li div span::before{
    content: '';
    width: 30px;
    aspect-ratio: 1;
    background: url(/about/events/ciie2025/add/image/icon_magnify.svg) no-repeat;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;

}
.expoMain .scene .sceneArea .sceneList li:first-child {
    grid-row: span 2;
    aspect-ratio: 4 / 3;
}
.expoMain .scene .sceneArea .sceneList li picture {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.expoMain .scene .sceneArea .sceneList li:first-child picture{
    display: flex;
    align-items: flex-start;
}
.expoMain .scene .sceneArea .sceneList li picture  img {
    width: 100%;
    object-fit: cover;
    display: block;
}
.expoMain .scene .sceneArea .sceneList li:not(:first-child) picture img{
    height: 100% !important;
}
.expoMain hr{
    display: block;
    max-width: 1275px;
    margin-inline: auto;
    margin-block: 0;
    color: #707070;
}
.expoMain .summary{
    padding-top: 50px;
    max-width: 1306px;
    margin-inline: auto;
    padding-inline: 15px;

}
.expoMain .summary p{
    margin-bottom: 20px;
}
.expoMain .summary p a{
    color: #C60000;
    text-decoration: none;
}
.expoMain .summary p a:hover{
    text-decoration: underline !important;
}



@media screen and (min-width: 995px) and (max-width: 1304px){
    .OptionWideRWD #Contents{
        padding-inline: 0;
    }
}
@media screen and (max-width: 994px) {
    .JS #Contents {
        padding-inline: 0;
    }
    .expoMain .outline span{
        font-size: 25px;
        width: 200px;
    }
    .expoMain .outline .icon_x{
        width: 60px;
    }
    .expoMain .one_hitachi h1{
        font-size: 28px;
    }
    /* .expoMain .one_hitachi p.abstract {
        font-size: 20px;
    } */
    .expoMain .scene .sceneArea .sceneTitle h2{
        font-size: 25px;
    }
    .expoMain .scene .sceneArea .sceneTitle p {
        font-size: 16px;
    }
    .expoMain .one_hitachi .expo_video .video-wrapper:before{
        width: 50px;
        height: 50px;
    }
    .expoMain .one_hitachi .expo_video .video-wrapper::after{
        border-left: solid 12px #fff;
        border-top: solid 10px transparent;
        border-bottom: solid 10px transparent;
    }
}

@media screen and (max-width: 768px) {
    .JS h2{
        margin: 0;
    }
    .expoMain .outline{
        margin-bottom: 30px;
    }
    .expoMain .outline span{
        font-size: 20px;
        width: 160px;
    }
    .expoMain .outline .icon_x {
        width: 45px;
    }
    .expoMain .one_hitachi h1 {
        font-size: 20px;
        margin-bottom: 40px;
        margin-inline: 15px;
    }
    .expoMain .scene .sceneArea .sceneTitle{
        padding: 20px;
        background-color: transparent;
        background-size: 100%;
    }
    .expoMain .scene .sceneArea .sceneTitle h2{
        font-size: 18px;
    }
    .expoMain .scene .sceneArea>p{
        padding-inline: 20px;
    }
    .expoMain .one_hitachi .expo_video .video-wrapper:before{
        width: 45px;
        height: 45px;
    }
    .expoMain .one_hitachi .expo_video .video-wrapper::after{
        border-left: solid 12px #fff;
        border-top: solid 10px transparent;
        border-bottom: solid 10px transparent;
    }
   .expoMain .scene .sceneArea .sceneList {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto;
        gap: 20px;
        padding-inline: 20px;
    }
   .expoMain .scene .sceneArea .sceneList li:nth-child(1) {
        grid-column: 1 / 3;
        grid-row: 1 / 2;    
    }
   .expoMain .scene .sceneArea .sceneList li:nth-child(2) {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
    }
   .expoMain .scene .sceneArea .sceneList li:nth-child(3) {
        grid-column: 2 / 3;
        grid-row: 2 / 3;
    }
   .expoMain .scene .sceneArea .sceneList li:nth-child(4) {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }
   .expoMain .scene .sceneArea .sceneList li:nth-child(5) {
        grid-column: 2 / 3;
        grid-row: 3 / 4;
    }
}

@media screen and (max-width: 541px) {
    .expoMain .scene .sceneArea>p,
    .expoMain .scene .sceneArea .sceneList{
        padding: 0;
    }
    .expoMain .scene .sceneArea .sceneTitle h2{
        padding-bottom: 5px;
    }
}