* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -welist-style: none;
    text-decoration: none;
    list-style: none;
    -webkit-tap-highlight-color: transparent;
    font-size: 16px;
}

:root {
    --header-height: 90px;
    --bj-color: #dae2ff80;
    --bj-color-2: #9b73b9;
    --bj-color-3: #43ad55;
    --bj-color-4: #497fa3;
    --bj-color-5: #b35388;
    --txte-color-1: #000000;
    --text-color-2: #535353;
    --text-color-3: #ff6700;
    --text-color-4: #ffffff;
    --text-color-5: #9982bc;
    --text-color-6: #00ffea;
    --text-color-7: #898989;
    --text-color-8: #9973a5;
    --text-color-9: #39312c;
    --text-color-10: #9074b5;
    /* 电视机视频播放器高度 */
    --video-height: 600px;
    /* 电视机按钮区块高度 */
    --video-btn-height: 50px;
    /* 分类页主内容宽度 */
    --fl-width: 1400px;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

/* 引入字体 */
@font-face {
    font-family: "hbdziti";
    src: url("../font/hbd.woff2");
}

body{
    font-family: "hbdziti";
}

html {
    scroll-behavior: smooth;
    cursor: url(../font/x1.cur), auto;
}

a {
    cursor: url(../font/x2.cur), auto;
}

::-webkit-scrollbar {
    display: none
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: var(--header-height);
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bj-color);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 1px var(--text-color-3);
}

.header nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header nav ul li {
    height: var(--header-height);
    margin: 0 40px;
    text-align: center;
}

.header nav ul li a {
    font-size: 25px;
    height: 100%;
    color: var(--txte-color-1);
    font-weight: bold;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: .3s;
}

.header nav ul li a:hover {
    color: var(--text-color-3);
}

.header nav ul li p {
    font-size: 18px;
    color: var(--text-color-2);
    margin-top: 2px;
}

.header nav ul li img {
    height: 100%;
}

/* 右下角悬浮框 */
.float-box {
    position: fixed;
    right: 20px;
    bottom: 90px;
    z-index: 99;
}

.float-box dl {
    margin: 10px 0;
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    background-color: var(--text-color-5);
}

.float-box dl:hover .xfyck {
    display: block;
}

.float-box dt {
    position: absolute;
    right: 65px;
}

.xfyck {
    border-radius: 10px;
    text-align: center;
    padding: 10px;
    width: 150px;
    background-color: var(--text-color-4);
    animation: huaru .5s ease-in-out;
    display: none;
}

.xfyck h2 {
    text-align: center;
    font-size: 12px;
    margin: 5px 0;
}

.xfyck a {
    font-size: 12px;
}

.xfyck img {
    width: 80%;
}

.float-box dd {
    font-size: 12px;
    color: var(--text-color-4);
}

.float-box dd svg {
    width: 30px;
    height: 30px;
    margin-bottom: 5px;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(3px);
    display: none;
}

.modal-box {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-box img {
    width: 200px;
    height: 200px;
}

.banner {
    position: relative;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}

.download {
    margin: auto;
    padding: 0 10px;
    position: absolute;
    left: 50%;
    bottom: 10%;
    transform: translate(-50%, 10%);
    width: 700px;
    height: 180px;
    background-color: var(--text-color-4);
    border-radius: 10px;
    border: 2px solid var(--text-color-5);
    animation: enter 1.5s ease-in-out forwards;
}

/* 渐入动画 */
@keyframes enter {
    0% {
        opacity: 0;
        bottom: 10%;
        transform: translate(-50%, 10%);
    }

    100% {
        opacity: 1;
        bottom: 20%;
        transform: translate(-50%, 20%);
    }
}

.download-box {
    display: flex;
    /* justify-content: center; */
    align-items: center;
    height: 100%;
}

.download-box div {
    padding: 10px;
}

.download-qrcode {
    width: 150px;
    height: 150px;
    background: url(../images/ewmk.png) no-repeat center center;
    background-size: 100% 100%;
    flex-shrink: 0;
    position: relative;
}

.download-qrcode img {
    width: 100%;
    height: 100%;
}

.download-qrcode::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    width: calc(100% - 30px);
    height: 4px;
    background-color: var(--text-color-4);
    border-radius: 5px;
    box-shadow: 0 0 10px var(--text-color-3);
    animation: saomiao 1.5s ease-in-out infinite;
}

/* 二维码扫描动画 */
@keyframes saomiao {
    0% {
        top: 10px;
    }

    100% {
        top: calc(100% - 20px);
    }
}

.download-btn {
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.download-btn a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: calc(50% - 10px);
    height: calc(50% - 10px);
    margin: 5px;
    padding: 0 15px;
    border-radius: 5px;
    background-color: var(--text-color-3);
}

.download-btn a:nth-child(1) {
    background-color: var(--bj-color-3);
}

.download-btn a:nth-child(2) {
    background-color: var(--txte-color-1);
}

.download-btn a:nth-child(3) {
    background-color: var(--bj-color-4);
}

.download-btn a:nth-child(4) {
    background-color: var(--bj-color-5);
}

.download-btn a:hover {
    background-color: var(--text-color-5);
}

.download-btn a svg {
    width: 30px;
    height: 30px;
}

.download-btn a span {
    color: var(--text-color-4);
    margin-left: 10px;
    /* 文字超出2行隐藏，超出部分显示省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.download-simulator {
    width: 160px;
    height: 160px;
    flex-shrink: 0;
}

.download-simulator a {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    border-radius: 5px;
    background-color: var(--bj-color-2);
    padding: 0 10px;
}

.download-simulator a svg {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
}

.download-simulator a span {
    color: var(--text-color-4);
}

.download-simulator a:hover {
    transition: .5s ease-in-out;
    background-color: var(--bj-color-4);
}

/* 轮播图以及新闻资讯模块 */
.carousel-news,
.role,
.video {
    background: url(../images/10010.jpg) no-repeat center center;
    background-size: cover;
}

.carousel-news h1{
    text-align: center;
    font-size: 30px;
    padding: 20px 0;
    color: var(--text-color-4);
}

.carousel-news-box {
    margin: 0 auto;
    width: 80%;
    height: 500px;
    display: flex;
    justify-content: center;
    animation: zairu 2s ease-in-out forwards;
}

@keyframes zairu {
    0% {
        opacity: 0;
        width: 100%;
    }

    100% {
        opacity: 1;
        width: 80%;
    }
}

/* 轮播图 */
.carousel {
    margin: 0 auto;
    width: 50%;
}

.carousel-box {
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    height: 410px;
}

.carousel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.layui-carousel,
.layui-carousel>[carousel-item]>* {
    background-color: transparent;
}

/* 新闻资讯 */
.news {
    margin: 0 auto;
    width: 50%;
}

.news-box {
    width: 100%;
}

.layui-tab .layui-tab-title li {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-color-4);
}

.layui-tab .layui-tab-title li a{
    font-size: 14px;
    color: #656565;
}

.layui-tab-brief>.layui-tab-title .layui-this:after {
    border-bottom: 2px solid var(--text-color-6);
}

.layui-tab-brief>.layui-tab-title .layui-this {
    color: var(--text-color-6);
}

.news-list li {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-radius: 5px;
    animation: huaru 1s ease-in-out forwards;
}

/* 新闻列表动画 */
@keyframes huaru {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }

    100% {
        opacity: 1;
        transform: translateX(0px);
    }
}

.news-list li div {
    margin: 0 5px;
}

.news-list li div:nth-child(1) {
    display: flex;
    align-items: center;
}

.news-list li div:nth-child(1) span {
    color: var(--text-color-4);
    font-size: 14px;
    border-radius: 5px;
    padding: 0 3px 2px 3px;
    background-color: var(--text-color-3);
}

.news-list li div:nth-child(2) {
    margin-right: auto;
    display: flex;
    align-items: center;
}

.news-list li div img {
    width: 20px;
    height: 20px;
    margin-right: 5px;
}

/* 图标旋转动画 */
@keyframes xuanzhuan {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.news-list li div a {
    font-size: 17px;
    font-weight: bold;
    color: var(--text-color-10);
}

.news-list li:hover {
    background-color: var(--text-color-8);
}

.news-list li:hover img {
    animation: xuanzhuan 1s ease-in-out infinite;
}

.news-list li:hover a {
    color: var(--text-color-9);
}

.news-list li:hover span {
    color: var(--text-color-9);
}

.news-list li div a h2 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-list li div span {
    color: var(--text-color-8);
    white-space: nowrap;
}

.load-more {
    margin-top: 10px;
    text-align: center;
}

.load-more a {
    padding: 5px;
    border-radius: 5px;
    color: var(--txte-color-1);
    background-color: var(--text-color-10);
}

.load-more a:hover {
    color: var(--text-color-4);
}

@keyframes updh {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }

    100% {
        opacity: 1;
        transform: translateY(0px);
    }
}

/* 角色介绍 */
.role-title {
    margin: 0 auto;
    margin-bottom: 50px;
    text-align: center;
    animation: updh 2s ease-in-out forwards;
}

.role-title img {
    max-width: 398px;
}

.role-content-box {
    display: flex;
    width: 90%;
    margin: auto;
}

.demo-tab-header .layui-btn.layui-this {
    border-color: #1E9FFF;
    color: #1E9FFF;
}

.demo-tab-body>div {
    display: none;
}

.layui-btn-primary {
    color: #a7a5ff;
}

.demo-tab-header .layui-btn.layui-this {
    color: var(--text-color-4);
    width: 100px;
    border-color: transparent;
    background: linear-gradient(90deg, transparent, #a19eff, transparent);
}

.layui-btn-primary {
    border-color: transparent;
}

.layui-btn-primary:hover {
    color: #a7a5ff;
    border-color: transparent;
}

.layui-btn-container {
    overflow-x: scroll;
    padding: 10px;
    display: flex;
    flex-direction: column;
}

.layui-btn-container .layui-btn {
    font-size: 20px;
}

.role-content-box .demo-tab-body {
    flex: 1;
}

.layui-show {
    display: flex !important;
    /* 进入动画 */
    animation: show .5s ease-in-out forwards;
}

@keyframes show {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }

    100% {
        opacity: 1;
        transform: translateX(0px);
    }
}

.role-left-box {
    width: 40%;
    display: flex;
    align-items: center;
}

.layui-btn+.layui-btn {
    margin-left: 0;
}

.role-right-box {
    width: 60%;
}

.role-left-box-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: url(../images/rolebj.png) no-repeat center center;
    background-size: cover;
}

.role-left-box-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.role-left-box-jineng button img {
    height: 100%;
}

.layui-btn {
    padding: 0;
}

.role-right-box p>img {
    width: 20px;
    height: 20px;
    margin-right: 5px;
}

.role-right-box p {
    color: var(--text-color-4);
    margin: 10px 0;
    font-size: 18px;
    line-height: 2rem;
}

.role-right-box .role-name {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(to bottom, #ede5fd, #b69cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.role-right-box p em {
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    background: linear-gradient(to bottom, #ede5fd, #b69cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 游戏视频 */
.video-content-box {
    margin: 0 auto;
    width: 60%;
}

.video-content-box-top {
    border: 10px solid #ffffff;
    border-bottom: 0;
    border-radius: 10px;
    width: 100%;
    height: var(--video-height);
    overflow: hidden;
    position: relative;
}

.video-content-box-top video {
    width: 100%;
    height: calc(var(--video-height) - var(--video-btn-height));
    object-fit: contain;
    background-color: var(--txte-color-1);
}

.video-content-box-top-btn {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: var(--video-btn-height);
    background-color: #ffffff;
    display: flex;
    justify-content: right;
    align-items: center;
}

.video-content-box-top-btn div {
    margin: 0 10px;
}

.video-content-box-top-btn div a:active svg {
    padding: 2px;
}

.video-content-box-top-btn div a svg {
    width: 30px;
    height: 30px;
}

.video-content-box-bottom {
    display: flex;
    justify-content: space-between;
    margin-top: -15px;
}

.video-content-box-bottom-left,
.video-content-box-bottom-right {
    width: 10px;
    height: 50px;
    border-radius: 5px;
    margin: 0 100px;
    background-color: #ffffff;
}

.video-content-box-bottom-left {
    transform: rotate(45deg);
}

.video-content-box-bottom-right {
    transform: rotate(-45deg);
}

@keyframes uphuadong {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }

    100% {
        opacity: 1;
        transform: translateY(0px);
    }
}

.video-list {
    margin: 0 auto;
    width: 60%;
    padding: 10px;
    background-color: #ffffff7c;
    border-radius: 10px;
    animation: uphuadong 1s ease-in-out forwards;
}

.video-list a {
    color: var(--text-color-9);
    padding: 10px;
    line-height: 2.5;
    border-radius: 5px;
    background-color: var(--text-color-10);
}

.video-list a:hover {
    color: var(--text-color-4);
}

.active {
    color: var(--text-color-4) !important;
    background-color: var(--text-color-9) !important;
}

.zhan {
    height: 30px;
}

/* 底部 */
.footer {
    padding: 10px 5px;
    background-color: var(--bj-color);
}

.footer p {
    text-align: center;
    line-height: 2;
}

.footer-links a {
    color: #7d7d7d;
}

.footer-links a:hover {
    color: var(--text-color-5);
}

/* 移动端底部导航栏 */
.mobile-nav{
    height: 70px;
    display: none;
}
.mobile-footer {
    position: fixed;
    bottom: 0;
    width: 100vw;
    height: 70px;
    z-index: 99;
    background-color: var(--text-color-4);
    display: none;
}

.mobile-footer ul{
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
}

.mobile-footer ul li a{
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-color-1);
}

.mobile-footer ul li a svg{
    width: 25px;
    height: 25px;
    /*margin-bottom: 5px;*/
}

/* 分类页 */
.fl-banner{
    margin-top: var(--header-height);
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
}

.fl-banner-content{
    color: var(--text-color-4);
    margin: 0 auto;
    width: var(--fl-width);
    padding: 0 10px;
}
.fl-banner-content h1,
.fl-banner-content h2{
    font-size: 26px;
}

.fl-banner-content p{
    font-size: 18px;
    color: #efefef;
}

.crumbs{
    color: var(--text-color-7);
    margin: 10px auto;
    max-width: var(--fl-width);
    text-align: right;
    padding-right: 20px;
}

.crumbs em{
    font-size: 14px;
    font-style:  normal;
}

.crumbs a{
    font-size: 14px;
    color: var(--text-color-7);
}

.classify-list{
    max-width: var(--fl-width);
    margin: 21px auto 7px;
}

.classify-list .layui-tab .layui-tab-title li{
    color: #656565;
    font-size: 14px;
    font-weight: normal;
    margin: 3px;
    background: #f5f5f5;
    border-radius: 5px;
}

.classify-list .layui-tab .layui-tab-title li span{
    font-size: 10px;
    color: var(--text-color-4);
    background-color: #17a2b8;
    padding: 2px 4px;
    border-radius: 3px;
    margin-left: 5px;
}

.layui-tab-card>.layui-tab-title .layui-this span{
    font-size: 18px;
    color: var(--txte-color-1)!important;
    background-color: #ffffff!important;
    padding: 5px;
    border-radius: 5px;
}

.layui-tab-card>.layui-tab-title .layui-this{
    color: var(--text-color-4)!important;
    background-color: #17a2b8!important;
}

.layui-tab-card>.layui-tab-title .layui-this:after{
    border-bottom-color: transparent;
}

.layui-tab-card>.layui-tab-title {
    background-color: transparent;
    border: none;
}

.layui-tab-card{
    border-width: medium;
    border-style: none;
    box-shadow: none;
}

.layui-tab-content {
    padding: 15px 5px;
    margin-top: 10px;
}

.layui-tab-content ul{
    width: 100%;
}

.layui-tab-content ul li{
    display: flex;
    align-items: center;
    padding-bottom: 5px;
    margin: 10px 0;
    border-bottom: 1px dashed #dee2e6 !important;
}

.layui-tab-content ul li:hover svg{
    animation: xuanzhuan 1s linear infinite;
}

.layui-tab-content ul li:hover .classify-article-title{
    color: #17a2b8;
}

.layui-tab-content ul li svg{
    width: 20px;
    height: 20px;
    margin-right: 5px;
    flex-shrink: 0;
}

.classify-article-link{
    width: 100%;
    display: flex;
    align-items: center;
}

.classify-article-title{
    font-size: 14px;
    margin: 0 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.classify-article-top,
.classify-article-referral,
.classify-article-headlines{
    font-size: 12px;
    margin: 0 3px;
    border-radius: 5px;
    padding: 0 3px 1px 3px;
    flex-shrink: 0;
}

.classify-article-top{
    color: #fff;
    background-color: #dc3545;
}

.classify-article-referral{
    color: #212529;
    background-color: #ffc107;
}

.classify-article-headlines{
    color: #fff;
    background-color: #17a2b8;
}

.classify-article-time{
    font-size: 14px;
    margin-left: auto;
    flex-shrink: 0;
}

.layui-tab .layui-tab-title li {
    line-height: normal;
    min-width: auto;
    padding: 5px;
}

.layui-tab[overflow]>.layui-tab-title {
    overflow: visible;
    padding: 0 5px;
}

.layui-tab-card>.layui-tab-title .layui-tab-bar{
    display: none;
}

.layui-tab-more{
    padding-right: 0;
}

/* 文章详情页 */
.article-content{
    margin: 0 auto;
    max-width: var(--fl-width);
}

.article-title h1{
    text-align: center;
    font-size: 32px;
    font-weight: bold;
    color: #666;
}

.article-info{
    text-align: center;
    margin: 10px auto;
    color: #6c757d!important;
    padding-bottom: 10px;
    border-bottom: 1px solid #dee2e6 !important;
}

.article-info span{
    font-size: 12px;
    line-height: 1.5;
}

.article-info span svg{
    width:15px;
    height:15px;
}

.article-content-text{
    color: #666;
    font-size: 14px;
    line-height: 2;
    margin-bottom: 20px;
    padding: 0 10px;
}

.article-content-text p{
    font-size: 14px;
    color: #666;
}

.content-text{
    padding: 5px;
    border-radius: 5px;
    background-color: #f7f7f7;
}

.content-text h2{
    font-size: 25px;
}

.content-text h3{
    font-size: 20px;
}

.content-text p{
    font-size: 14px;
    color: #666;
}

.content-text img{
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/*分页*/
.pagination {
    text-align: center;
}

.pagination a{
    color: #2fb6cb;
}

.page-num{
    color: #ffffff!important;
    padding: 4px 15px;
    border-radius: 5px;
    background-color: #2fb6cb;
}

/*Tag标签*/
.tags{
    margin: 20px 0;
}
.tags span{
    font-size: 14px;
}
.tags a{
    color: var(--text-color-4);
    font-size: 12px;
    padding: 2px 5px;
    margin: 0 3px;
    border-radius: 5px;
    background-color: #17a2b8;
    line-height: 1.5;
}

/*上下文*/
.article-content-arrow p{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/*相关文章*/
.correlation{
    margin-top: 20px;
}

.correlation ol{
    padding-left: 15px;
}

.correlation ol li{
    list-style: auto;
}

.correlation ol li a{
    color: #666;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/* 自适应布局 */
@media screen and (max-width: 1400px) {
    .header nav ul li {
        margin: 0px 20px;
    }

    .header nav ul li a {
        font-size: 18px;
    }

    :root {
        --video-height: 500px;
    }
}

@media screen and (max-width: 1000px) {
    :root {
        --header-height: 60px;
    }

    .header nav ul li {
        margin: 0px 10px;
    }

    .role-content-box {
        width: 95%;
        flex-direction: column;
    }

    .layui-btn-container {
        flex-direction: row;
    }

    .role-left-box {
        width: 60%;
    }

    .role-right-box {
        width: 40%;
    }

    .carousel-news-box {
        height: auto;
        flex-direction: column;
    }

    .carousel {
        width: 95%;
    }

    .news {
        width: 95%;
    }

    .video-content-box {
        width: 80%;
    }

    .video-list {
        width: 80%;
    }

}

@media screen and (max-width: 800px) {
    .download {
        width: 600px;
    }

    .layui-show {
        flex-direction: column;
    }

    .video-list {
        width: 90%;
    }

    .role-right-box {
        width: 100%;
    }

    :root {
        --video-height: 350px;
    }
}

@media screen and (max-width: 700px) {
    .download {
        width: 460px;
    }

    .download-qrcode {
        display: none;
    }

    .carousel-box {
        height: 220px;
        padding: 10px 0;
    }
}

@media screen and (max-width: 600px) {
    .header nav ul li a {
        font-size: 16px;
    }

    .header nav ul li p {
        font-size: 16px;
    }
    .banner{
        height: 500px;
    }
    .mobile-nav{
        display: block;
    }
    .mobile-footer {
        display: block;
    }
    .fl-banner{
        height: 150px;
    }
}

@media screen and (max-width: 500px) {
    .header nav ul li {
        display: none;
    }

    .header nav ul li:nth-child(2),
    .header nav ul li:nth-child(3),
    .header nav ul li:nth-child(5) {
        display: block;
    }

    .download-box {
        flex-direction: column;
    }

    .download {
        width: 90%;
        height: auto;
    }

    .download-btn a {
        padding: 10px 15px;
    }

    .download-simulator {
        display: none;
        width: 100%;
        height: auto;
    }

    .download-simulator a {
        padding: 20px;
    }

    @keyframes zairu {
        0% {
            opacity: 0;
            width: 100%;
        }

        100% {
            opacity: 1;
            width: 100%;
        }
    }

    .role-title img {
        max-width: 220px;
    }

    :root {
        --video-height: 250px;
    }

    .video-content-box {
        width: 95%;
    }

    .video-list {
        width: 95%;
    }

    .video-content-box-top-btn div {
        margin: 0 5px;
    }
    .header nav ul li p{
        margin-top: 0;
        font-size: 14px;
    }
}

@media screen and (max-width: 400px) {
    :root {
        --video-height: 200px;
    }
}

@media screen and (max-width: 300px) {
    .video-content-box-top-btn div {
        margin: 0;
    }
}