@charset "UTF-8";


/* 视频背景容器 */
.video-container {
    position: relative;
    overflow: hidden;
}

@media (min-width: 640px) {
    .video-container {
        height: calc(100vh - 64px);
    }
}

/* 视频样式 */
#background-video {
    width: 100%;
    object-fit: cover;
}

/* 半透明遮罩，提升文字可读性 */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    width: 200px;
    height: 200px;
    outline: 9999px solid rgba(0, 0, 0, .5);
    margin: auto;
}

.overlay img {
    width: 200px;
    height: 200px;
}

/* 中间跟随鼠标的元素 */
.floating-element {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    transition: transform 0.1s ease-out;
}

/** 导航 */
.m-nav-black {
    display: none;
    align-items: flex-start;
    flex-wrap: wrap;
    background-color: #111111;
    border: 1px solid #ef782b;
}

.m-nav-black a {
    width: 25%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #AAAAAA;
    text-decoration: none;
}

.m-nav-black a.active {
    color: #FFFFFF;
    background-image: linear-gradient(90deg, #111111 50%, #ef782b);
}

.m-nav-black a:nth-child(1),
.m-nav-black a:nth-child(2),
.m-nav-black a:nth-child(3),
.m-nav-black a:nth-child(4) {
    position: relative;
    border-bottom: 1px solid #ef782b;
}

.m-nav-black a:nth-child(1)::after,
.m-nav-black a:nth-child(2)::after,
.m-nav-black a:nth-child(3)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: 2px;
    height: 100%;
    background-color: #ef782b;
}

/** 探索 */
.rules-container {
    display: flex;
    align-items: center;
    width: 1280px;
    margin: 0 auto;
    padding: 100px 0;
}

.rules-container .left {
    position: relative;
    flex: 1;
    padding-left: 50px;
}

.rules-container .left .more {
    position: absolute;
    left: 0;
    top: 180px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: #ef782b;
    text-decoration: none;
    color: #FFFFFF;
    font-size: 1.5em;
    opacity: 0.5;
}

.rules-container .left .item {
    display: block;
    height: 0;
    overflow: hidden;
    transition: height 0.5s linear;
    color: #FFFFFF;
    text-decoration: none;
}

.rules-container .left .item.active {
    height: auto;
}

.rules-container .left img {
    width: 100%;
}

.rules-container .left .item p {
    padding: 20px 30px;
}

.rules-container .right {
    width: 30%;
    height: 300px;
    padding-left: 60px;
    overflow: hidden;
    position: relative;
}

.rules-container .right ul {
    position: absolute;
    list-style: none;
    transition: transform 0.5s ease-in-out;
}

.rules-container .right li {
    position: relative;
    height: 60px;
    color: #f5b386;
    transition: color 0.3s linear;
}

.rules-container .right li:hover {
    color: #ef782b;
    cursor: pointer;
}

.rules-container .right li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 16px;
    width: 1px;
    height: calc(100% - 14px);
    background-color: #f5b386;
}

.rules-container .right li:last-of-type::before {
    display: none;
}

.rules-container .right li i {
    margin-right: 10px;
}

/* 高亮当前选中的元素 */
.rules-container .right li.highlighted {
    color: #ef782b;
    font-weight: bold;
}

.m-rules {
    display: none;
}

/** 关于 */
.about-container {
    display: flex;
    align-items: center;
    width: 1280px;
    margin: 0 auto;
    padding: 100px 0 40px;
}

.about-container .left {
    width: 50%;
    overflow: hidden;
}

.about-container .left .zh-JDR {
    width: 50%;
}

.about-container .left span {
    display: block;
    color: #ef782b;
    font-size: 36px;
}

.about-container .left .en-JDR {
    margin-top: -30px;
    /*-webkit-mask-image: url(/static/index/images/JDR.png);
    mask-image: url(/static/index/images/JDR.png);*/
    mask-repeat: no-repeat;
    mask-size: 90%;
    height: 100px;
    overflow: hidden;
}

.about-container .left .about-nav {
    display: none;
}

.about-container .left .about-img {
    width: 100%;
}

.about-container .right {
    width: 50%;
    padding-left: 40px;
}

.about-container .about-nav {
    display: flex;
    background-color: #999999;
}

.about-container .about-nav span {
    position: relative;
    color: #111111;
    flex: 1;
    padding: 10px 20px;
    text-decoration: none;
}

.about-container .about-nav span::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 1px;
    height: 60%;
    margin: auto;
    background-color: #111111;
}

.about-container .about-nav span:last-of-type::after {
    display: none;
}

.about-container .about-nav span.active {
    background-image: linear-gradient(90deg, #ffbc8f, #FFFFFF);
    color: #ef782b;
}

.about-container .right p {
    display: none;
    padding: 20px 0;
    color: #FFFFFF;
    text-indent: 2em;
    line-height: 1.5em;
}

.about-container .right p.active {
    display: block;
    line-height: 40px;
}

.about-container .right p span {
    color: #ef782b;
}

.about-container .right>a {
    display: block;
    text-align: right;
}

.about-container .right img {
    width: 40px;
}

/** 年份 */
.year {
    display: flex;
    padding-left: 25%;
}

.year-box {
    flex: 1;
    display: flex;
}

.year>img {
    width: 300px;
}

.year .item {
    display: flex;
    margin: 10px 0;
    border-right: 1px solid #FFFFFF;
    color: #FFFFFF;
}

.year .item.active {
    width: 100%;
}

.year .item .block {
    flex: 1;
    display: flex;
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
}

.year .item.active .block {
    transition: max-width 2s linear;
    max-width: 10000px;
    padding: 0 20px;
}

.year .item .block dl {
    flex: 1;
    margin-right: 20px;
}

.year .item .block dt {
    font-size: 1.8em;
    margin-bottom: 10px;
}

.year .item .block dd {
    padding: 2px 0;
}

.year .item .block dd::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    background-color: #FFFFFF;
    border-radius: 50%;
    margin-right: 10px;
}

.year .item .block div {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
}

.year .item .label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 40px;
    cursor: pointer;
}

.year .item.active .label {
    display: none;
}

.m-year {
    display: none;
}

/** 展示 */
.picture {
    position: relative;
    padding: 120px 0 175px;
}

.picture .img-box {
    display: none;
}

.picture-title {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #FFFFFF;
    margin-bottom: 60px;
}

.picture-title img {
    width: 50px;
    margin-left: 10px;
}

.carousel,
.carousel-item {
    height: 22vw;
    -webkit-user-select: none;
    user-select: none;
}

.carousel {
    width: 90vw;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.carousel-item {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 7.2vw;
    overflow: hidden;
    transition: transform 0.1s linear;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.carousel-item span {
    font-size: 1.2em;
    width: 1.2em;
    text-align: center;
    margin-top: 8px;
    color: #FFFFFF;
}

.m-picture {
    display: none;
}

/** 新闻资讯 */
.news {
    padding: 100px 0 20px 0;
}

.news h3 {
    text-align: center;
    font-size: 2.5em;
    color: #FFFFFF;
    font-weight: normal;
}

.news ul {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    list-style: none;
    width: 1280px;
    margin: 20px auto 0;
}

.news ul li {
    width: 25%;
}

.news ul li a {
    display: block;
    margin: 0 20px 20px;
    color: #FFFFFF;
    text-decoration: none;
    transition: color 0.5s linear;
}

.news ul li a:hover {
    color: #ef782b;
}

.news ul li a img {
    width: 100%;
    filter: grayscale(1);
    transition: filter 0.5s linear;
}

.news ul li a:hover img {
    filter: grayscale(0);
}

.news ul li a h5 {
    font-size: 1em;
    padding: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news ul li a p {
    opacity: 0.5;
    font-size: 0.8em;
}

.news ul li a span {
    margin-top: 10px;
    font-size: 0.8em;
}

.news ul li a span i {
    margin-right: 10px;
}

.news-swiper {
    display: none;
}

.m-h3 {
    display: none;
}

.number-item {
    /*padding: 20px;*/
    text-align: center;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.number-item.visible {
    transform: translateY(0);
    opacity: 1;
}

.number-value {
    font-size: 5rem;
    /*font-weight: bold;*/
    height: 50px;
}

.stat-card {
    position: absolute;
    color: #ef782b;
}

.stat-card .stat-title {
    color: #FFFFFF;
    font-size: 40px;
}

.stat-card-01 {
    top: 100px;
    left: 200px;
}

.stat-card-02 {
    right: 200px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .floating-element img {
        width: 80vw;
        padding-top: 22px;
    }

    .rules {
        display: none;
    }

    .m-rules {
        display: block;
        padding: 20px 10px 40px;
    }

    .m-rules h3 {
        text-align: center;
        color: #FFFFFF;
        font-size: 1.7em;
        padding-bottom: 10px;
    }

    .m-rules strong {
        display: block;
        text-align: center;
        color: #FFFFFF;
        font-size: 0.8em;
        font-weight: normal;
        margin-bottom: 20px;
    }

    .m-rules-container {
        display: flex;
        align-items: flex-start;
    }

    .m-rules-container .left {
        position: relative;
        flex: 1;
    }

    .m-rules-container .left .more {
        position: absolute;
        left: 0;
        right: 0;
        bottom: -40px;
        z-index: 10;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 80px;
        height: 80px;
        margin: auto;
        border-radius: 50%;
        background-color: #ef782b;
        text-decoration: none;
        color: #FFFFFF;
    }

    .m-rules-container .left .item {
        display: block;
        height: 0;
        overflow: hidden;
        transition: height 0.5s linear;
        color: #FFFFFF;
        text-decoration: none;
        border-radius: 10px;
    }

    .m-rules-container .left .item.active {
        height: auto;
        border: 2px solid #FFFFFF;
        background-image: linear-gradient(180deg, #ef782b 0%, rgba(255, 255, 255, 0) 100%);
    }

    .m-rules-container .left .item h3 {
        font-size: 1em;
        height: 40px;
        line-height: 40px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 5px;
    }

    .m-rules-container .left img {
        width: 100%;
    }

    .m-rules-container .left .item p {
        padding: 5px 5px 50px;
        line-height: 1.5;
        font-size: 14px;
    }

    .m-rules-container .right {
        width: 50%;
        height: 300px;
        padding-left: 10px;
        overflow: hidden;
        position: relative;
    }

    .m-rules-container .right ul {
        position: absolute;
        list-style: none;
        transition: transform 0.5s ease-in-out;
    }


    .m-rules-container .right li {
        position: relative;
        height: 60px;
        color: #f5b386;
        transition: color 0.3s linear;
    }

    .m-rules-container .right li:hover {
        color: #ef782b;
        cursor: pointer;
    }

    .m-rules-container .right li::before {
        content: '';
        position: absolute;
        left: 4px;
        top: 16px;
        width: 1px;
        height: calc(100% - 14px);
        background-color: #f5b386;
    }

    .m-rules-container .right li:last-of-type::before {
        display: none;
    }

    .m-rules-container .right li i {
        margin-right: 10px;
    }

    /* 高亮当前选中的元素 */
    .m-rules-container .right li.highlighted {
        color: #ef782b;
        font-weight: bold;
    }

    .stat-card .stat-title {
        color: #FFFFFF;
        font-size: 24px;
    }

    .number-value {
        font-size: 3rem;
        /*font-weight: bold;*/
        height: 50px;
    }

    .m-nav-black {
        display: flex;
    }

    .about-container {
        justify-content: center;
        flex-direction: column;
        width: 90%;
        padding-top: 10px;
    }

    .about-container .left,
    .about-container .right {
        width: 100%;
    }

    .about-container .left span {
        font-size: 1em;
    }

    .about-container .left .en-JDR {
        margin-top: 0;
        height: 60px;
    }

    .about-container .left .about-nav {
        display: flex;
        margin-bottom: 20px;
    }

    .about-container .right {
        padding-left: 0;
    }

    .about-container .right .about-nav {
        display: none;
    }

    .year {
        display: none;
    }

    .m-year {
        display: block;
    }

    .catalog {
        position: relative;
        display: flex;
        padding-left: 10px;
    }

    .catalog img {
        width: 26px;
    }

    .catalog ul {
        display: flex;
        list-style: none;
    }

    .catalog ul li {
        display: flex;
        flex-direction: column;
        width: 30px;
        padding: 2px 0;
        color: #f5b386;
        text-align: center;
    }

    .catalog ul li.active span {
        color: #ef782b;
    }

    .catalog ul li span:last-of-type {
        flex: 1;
        display: flex;
        align-items: flex-end;
        justify-content: center;
        border-right: 1px solid #f5b386;
    }

    .catalog ul li.active span:last-of-type {
        border-right-color: #ef782b;
    }

    .catalog ul li:first-of-type span:last-of-type {
        border-left: 1px solid #f5b386;
    }

    .catalog a {
        position: absolute;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 80px;
        height: 80px;
        right: 20px;
        bottom: -40px;
        background-color: #ef782b;
        border-radius: 50%;
        /*opacity: 0.5;*/
        text-decoration: none;
        color: #FFFFFF;
    }

    .m-year .content {
        border-top: 1px solid #f5b386;
    }

    .m-year .content dl {
        display: none;
        background-size: 100% auto;
        background-repeat: no-repeat;
        padding: 40px 20px;
        color: #ef782b;
    }

    .m-year .content dl.active {
        display: block;
    }

    .m-year .content dt {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .m-year .content dd {
        padding: 5px 0;
    }

    .m-year .content dd::before {
        content: '';
        display: inline-block;
        width: 5px;
        height: 5px;
        background-color: #ef782b;
        border-radius: 50%;
        margin-right: 10px;
    }

    .picture>.stat-card-01,
    .picture>.stat-card-02 {
        display: none;
    }

    .picture {
        background-image: none !important;
        background-color: #111111;
        padding-top: 20px;
        padding-bottom: 0;
    }

    .picture-title {
        margin-bottom: 20px;
    }

    .carousel,
    .carousel-item {
        height: 70vw;
    }

    .carousel-item {
        width: 16vw;
    }

    .picture .img-box {
        position: relative;
        display: block;
        width: 100%;
    }

    .picture .img-box img {
        width: 100%;
    }

    .picture .img-box .stat-card-01 {
        top: 20px;
        left: 20px;
    }

    .picture .img-box .stat-card-02 {
        bottom: 20px;
        right: 20px;
    }

    .news .pc-h3 {
        display: none;
    }

    .news .m-h3 {
        display: block;
    }

    .news ul {
        display: none;
    }

    .news-swiper {
        display: block;
        width: 90vw;
        margin: 20px auto 0;
        overflow: hidden;
    }

    .swiper-wrapper {
        width: 100%;
    }
    
    .news {
        padding: 30px 0 20px 0;
    }
    
    .news h3{
        font-size: 1.7em;
    }

    .news-swiper a {
        display: block;
        color: #FFFFFF;
        text-decoration: none;
    }

    .news-swiper a img {
        width: 100%;
    }

    .news-swiper a h5 {
        font-size: 1em;
        padding: 10px 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .news-swiper .swiper-pagination-bullet {
        width: 10px;
        height: 10px;
        border: 2px solid #AAAAAA;
    }

    .news-swiper .swiper-pagination-bullet-active {
        opacity: 1;
        background-color: #EFEFEF;
    }
}