@keyframes breath {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  25% {
    opacity: 0.6;
    transform: scale(0.6);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
  75% {
    opacity: 0.6;
    transform: scale(0.6);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes moveDown {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
/* pc端 */
@media screen and (min-width: 576px) {
  .nav {
    position: absolute;
    top: 54px;
    left: 0;
    width: 100%;
    height: 72px;
    line-height: 72px;
    z-index: 100;
  }
  .nav .nav-left {
    float: left;
    margin-left: 68px;
  }
  .nav .nav-left img {
    width:104px;
    height:43px;
    vertical-align: middle;
  }
  .nav .nav-left img:nth-child(1) {
    display: inline-block;
  }
  .nav .nav-left img:nth-child(2) {
    display: none;
  }
  .nav .nav-right {
    float: right;
    margin-right: 99px;
  }
  .nav .nav-right li {
    float: left;
    margin-left: 33px;
  }
  .nav .nav-right li a {
    color: #fff;
    font-size: 20px;
    opacity: 0.7;
  }
  .nav .nav-right li a:hover {
    color: #fff;
    opacity: 1;
  }
  .nav.active {
    position: fixed;
    background: #fff;
    top: 0;
    box-shadow: 0 2px 2px #e1e1e1;
  }
  .nav.active .nav-left {
    margin-left: 350px;
  }
  .nav.active .nav-left img:nth-child(1) {
    display: none;
  }
  .nav.active .nav-left img:nth-child(2) {
    display: inline-block;
  }
  .nav.active .nav-right li a {
    color: #666;
    opacity: 0.5;
  }
  .nav.active .nav-right li a:hover {
    color: #333;
    opacity: 1;
  }
  /* banner */
  .banner {
    height: 100vh;
    /* background-image: url('../img/banner.jpg');
    background-position: center center; */
    position: relative;
  }
  .banner .bg {
    width: 100%;
    height: 100%;
  }
  .banner .map {
    width: 927px;
    height: 468px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    background-image: url('../img/map.png');
  }
  .banner .map .light-1,
  .banner .map .light-2,
  .banner .map .light-3,
  .banner .map .light-4,
  .banner .map .light-5 {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    position: absolute;
    animation: breath 6s linear infinite;
  }
  .banner .map .light-1::before,
  .banner .map .light-1::after,
  .banner .map .light-2::before,
  .banner .map .light-2::after,
  .banner .map .light-3::before,
  .banner .map .light-3::after,
  .banner .map .light-4::before,
  .banner .map .light-4::after,
  .banner .map .light-5::before,
  .banner .map .light-5::after {
    content: '';
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .map .light-1::before,
  .banner .map .light-2::before,
  .banner .map .light-3::before,
  .banner .map .light-4::before,
  .banner .map .light-5::before {
    width: 22px;
    height: 22px;
    z-index: 1;
  }
  .banner .map .light-1::after,
  .banner .map .light-2::after,
  .banner .map .light-3::after,
  .banner .map .light-4::after,
  .banner .map .light-5::after {
    width: 14px;
    height: 14px;
    z-index: 2;
  }
  .banner .map .light-1 {
    top: 118px;
    left: 174px;
    background: rgba(93, 77, 246, .3);
  }
  .banner .map .light-1::before {
    background: rgba(93, 77, 246, .6);
  }
  .banner .map .light-1::after {
    background: rgba(93, 77, 246, .6);
  }
  .banner .map .light-2 {
    top: 210px;
    left: 380px;
    background: rgba(235, 166, 18, .3);
  }
  .banner .map .light-2::before {
    background: rgba(235, 166, 18, .6);
  }
  .banner .map .light-2::after {
    background: rgba(235, 166, 18, .9);
  }
  .banner .map .light-3 {
    top: 50px;
    left: 500px;
    background: rgba(73, 155, 71, .3);
  }
  .banner .map .light-3::before {
    background: rgba(73, 155, 71, .6);
  }
  .banner .map .light-3::after {
    background: rgba(73, 155, 71, .9);
  }
  .banner .map .light-4 {
    top: 300px;
    left: 510px;
    background: rgba(121, 66, 217, .3);
  }
  .banner .map .light-4::before {
    background: rgba(121, 66, 217, .6);
  }
  .banner .map .light-4::after {
    background: rgba(121, 66, 217, .9);
  }
  .banner .map .light-5 {
    top: 160px;
    left: 750px;
    background: rgba(253, 34, 89, .3);
  }
  .banner .map .light-5::before {
    background: rgba(253, 34, 89, .6);
  }
  .banner .map .light-5::after {
    background: rgba(253, 34, 89, .9);
  }
  .banner .slogan {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fadeIn 2s linear;
  }
  .banner .bottom {
    position: absolute;
    left: 50%;
    bottom: 50px;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    font-size: 14px;
  }
  .banner .bottom .arrow {
    animation: moveDown 2s ease infinite;
  }
  .banner .bottom .more {
    margin-top: 15px;
  }
  /* about */
  .about {
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
  }
  .about .about-left {
    width: 50%;
    font-size: 0;
  }
  .about .about-left img {
    width: 100%;
  }
  .about .about-right {
    width: 50%;
    position: absolute;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
  }
  .about .about-right .content {
    width: 600px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .about .about-right .content .head {
    text-align: center;
    position: relative;
    margin-bottom: 40px;
  }
  .about .about-right .content .head::after {
    content: '';
    width: 51px;
    height: 1px;
    position: absolute;
    left: 50%;
    bottom: -20px;
    transform: translateX(-50%);
    background: #5abd4a;
  }
  .about .about-right .content .head .title {
    color: #333333;
    font-size: 28px;
    margin-bottom: 10px;
  }
  .about .about-right .content .head .sub-title {
    color: #ababab;
    font-size: 14px;
  }
  .about .about-right .content .body {
    margin-bottom: 34px;
  }
  .about .about-right .content .body p {
    color: #666666;
    font-size: 16px;
    line-height: 1.8;
  }
  .about .about-right .content .footer {
    text-align: center;
  }
  .about .about-right .content .footer .more {
    width: 268px;
    height: 48px;
    line-height: 48px;
    border-radius: 48px;
    border: 2px solid #5abd4a;
    background: none;
    color: #666666;
    font-size: 17px;
    cursor: pointer;
    outline: none;
    display: inline-block;
  }
  /* culture */
  .culture {
    display: flex;
    flex-wrap: wrap;
    background: #fff;
    padding: 20px 0;
  }
  .culture .item {
    width: 33.333%;
    position: relative;
    height: 0;
    padding-bottom: 20%;
  }
  .culture .item .content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .culture .item .content::after {
    content: '';
    width: 2px;
    height: 100px;
    background: #5BBD4B;
    position: absolute;
    left: 50%;
    bottom: -50px;
    z-index: 30;
    transform: translateX(-50%);
  }
  .culture .item:nth-child(5) .content::after {
    top: -50px;
    bottom: none;
  }
  .culture .item h3 {
    color: #121313;
    font-size: 28px;
    text-align: center;
  }
  .culture .item p {
    color: #5abd4a;
    font-size: 48px;
    margin-top: 20px;
    text-align: center;
  }
  .culture .item h2 {
    color: #313232;
    font-size: 56px;
    margin-top: 28px;
    text-align: center;
  }
  .culture .item img {
    width: 100%;
    max-height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .culture .moveOne-enter-active, .moveOne-leave-active {
    transition: all .5s;
  }
  .culture .moveOne-enter, .culture .moveOne-leave-to {
    transform: translateY(100%);
  }
  .culture .moveTwo-enter-active, .moveTwo-leave-active {
    transition: all .5s;
  }
  .culture .moveTwo-enter, .culture .moveTwo-leave-to {
    transform: translateY(-100%);
  }
  .culture .fade-enter-active, .fade-leave-active {
    transition: opacity .5s;
  }
  .culture .fade-enter, .culture .fade-leave-to {
    opacity: 0;
  }
  /* video */
  .video {
    background: #f5f5f5;
    padding-top: 90px;
    padding-bottom: 214px;
    overflow: hidden;
  }
  .video .head {
    text-align: center;
    margin-bottom: 108px;
    position: relative;
  }
  .video .head::after {
    content: '';
    width: 51px;
    height: 1px;
    background: #5abd4a;
    position: absolute;
    left: 50%;
    bottom: -25px;
    transform: translateX(-50%);
  }
  .video .head .title {
    color: #313131;
    font-size: 28px;
    margin-bottom: 10px;
  }
  .video .head .sub-title {
    color: #ababab;
    font-size: 14px;
  }
  .video .body {
    width: 1327px;
    height: 747px;
    position: relative;
    z-index: 2;
    margin: 0 auto;
  }
  .video .body::after {
    content: '';
    width: 90%;
    height: 90%;
    position: absolute;
    left: 50%;
    bottom: -66px;
    transform: translateX(-50%);
    z-index: -1;
    background: #b8b8b8;
    border-radius: 30px;
    -webkit-filter: blur(25px); 
    -moz-filter: blur(25px);
    -ms-filter: blur(25px); 
    -o-filter: blur(25px);
    filter: blur(25px);
  }
  .video .body img {
    cursor: pointer;
  }
  .modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, .5);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .modal video {
    width: 80%;
  }
  /* news */
  .news {
    padding-top: 154px;
    padding-bottom: 298px;
  }
  .news .head {
    text-align: center;
    margin-bottom: 108px;
    position: relative;
  }
  .news .head::after {
    content: '';
    width: 51px;
    height: 1px;
    background: #5abd4a;
    position: absolute;
    left: 50%;
    bottom: -25px;
    transform: translateX(-50%);
  }
  .news .head .title {
    color: #313131;
    font-size: 28px;
    margin-bottom: 10px;
  }
  .news .head .sub-title {
    color: #ababab;
    font-size: 14px;
  }
  .news .body ul {
    width: 1324px;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
  }
  .news .body li img {
    width: 420px;
    height: 250px;;
  }
  .news .body li .title {
    color: #222222;
    font-size: 22px;
    margin-top: 27px;
    margin-bottom: 18px;
  }
  .news .body li .time {
    color: #444444;
    font-size: 20px;
  }
  .news .footer {
    margin-top: 154px;
  }
  .news .footer a {
    color: #444;
    font-size: 20px;
    width:198px;
    height:49px;
    line-height: 49px;
    text-align: center;
    display: block;
    margin: 0 auto;
    border:1px solid rgba(90,189,74,1);
    border-radius:3px;
  }
}

/* mobile端 */
@media screen and (max-width: 575.98px) {
  .nav {
    display: none;
  }
  .banner {
    margin-top: 50px;
    position: relative;
    font-size: 0;
  }
  .banner .bg {
    width: 100%;
  }
  .banner .map {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 8rem;
    height: 90%;
    z-index: 10;
    background: url('../img/map.png');
    background-size: contain;
    background-repeat: no-repeat;
  }
  .banner .map .light-1,
  .banner .map .light-2,
  .banner .map .light-3,
  .banner .map .light-4,
  .banner .map .light-5 {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    position: absolute;
    animation: breath 6s linear infinite;
  }
  .banner .map .light-1::before,
  .banner .map .light-1::after,
  .banner .map .light-2::before,
  .banner .map .light-2::after,
  .banner .map .light-3::before,
  .banner .map .light-3::after,
  .banner .map .light-4::before,
  .banner .map .light-4::after,
  .banner .map .light-5::before,
  .banner .map .light-5::after {
    content: '';
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .map .light-1::before,
  .banner .map .light-2::before,
  .banner .map .light-3::before,
  .banner .map .light-4::before,
  .banner .map .light-5::before {
    width: 12px;
    height: 12px;
    z-index: 1;
  }
  .banner .map .light-1::after,
  .banner .map .light-2::after,
  .banner .map .light-3::after,
  .banner .map .light-4::after,
  .banner .map .light-5::after {
    width: 10px;
    height: 10px;
    z-index: 2;
  }
  .banner .map .light-1 {
    top: 1rem;
    left: 1rem;
    background: rgba(93, 77, 246, .3);
  }
  .banner .map .light-1::before {
    background: rgba(93, 77, 246, .6);
  }
  .banner .map .light-1::after {
    background: rgba(93, 77, 246, .6);
  }
  .banner .map .light-2 {
    top: 1.5rem;
    left: 3rem;
    background: rgba(235, 166, 18, .3);
  }
  .banner .map .light-2::before {
    background: rgba(235, 166, 18, .6);
  }
  .banner .map .light-2::after {
    background: rgba(235, 166, 18, .9);
  }
  .banner .map .light-3 {
    top: 0.5rem;
    left: 3.5rem;
    background: rgba(73, 155, 71, .3);
  }
  .banner .map .light-3::before {
    background: rgba(73, 155, 71, .6);
  }
  .banner .map .light-3::after {
    background: rgba(73, 155, 71, .9);
  }
  .banner .map .light-4 {
    top: 3rem;
    left: 3.8rem;
    background: rgba(121, 66, 217, .3);
  }
  .banner .map .light-4::before {
    background: rgba(121, 66, 217, .6);
  }
  .banner .map .light-4::after {
    background: rgba(121, 66, 217, .9);
  }
  .banner .map .light-5 {
    top: 2rem;
    left: 6.2rem;
    background: rgba(253, 34, 89, .3);
  }
  .banner .map .light-5::before {
    background: rgba(253, 34, 89, .6);
  }
  .banner .map .light-5::after {
    background: rgba(253, 34, 89, .9);
  }
  .banner .slogan {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
  }
  .banner .slogan img {
    width: 6rem;
  }
  .banner .bottom {
    display: none;
  }
  .about {
    background: #F7F8FC;
    padding-top: 0.3rem;
    position: relative;
  }
  .about .about-left {
    position: absolute;
    top: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 9.4rem;
    background: #fff;
    padding: 0 10px;
    box-sizing: border-box;
    font-size: 0;
  }
  .about .about-left img {
    width: 100%;
  }
  .about .about-right {
    width: 9.4rem;
    margin: 0 auto;
    background: #fff;
    padding: 0 10px;
    box-sizing: border-box;
  }
  .about .about-right .head {
    text-align: center;
    padding-top: 0.4rem;
    padding-bottom: 7.5rem;
    box-sizing: border-box;
  }
  .about .about-right .head .title {
    color: #333333;
    font-size: 0.5rem;
    margin-bottom: 0.2rem;
  }
  .about .about-right .head .sub-title {
    color: #999999;
    font-size: 0.4rem;
    position: relative;
    text-transform: uppercase;
  }
  .about .about-right .head .sub-title::after {
    content: '';
    width: 1rem;
    height: 2px;
    background: #5ABD4A;
    border-radius: 1px;
    position: absolute;
    left: 50%;
    bottom: -0.3rem;
    transform: translateX(-50%);
  }
  .about .about-right .body {
    color: #666;
    font-size: 0.3rem;
    line-height: 1.6;
  }
  .about .about-right .footer {
    text-align: right;
    font-size: 0;
  }
  .about .about-right .footer a {
    display: inline-block;
    text-align: center;
    width: 2rem;
    height: 0.5rem;
    line-height: 0.5rem;
    font-size: 0.3rem;
    border: 1px solid #5ABD4A;
    color: #5ABD4A;
    border-radius: 0.5rem;
  }
  .culture {
    background: #F7F8FC;
  }
  .culture .item {
    width: 9.4rem;
    margin: 0 auto;
    padding: 0 10px;
    background: #fff;
    box-sizing: border-box;
    font-size: 0;
  }
  .culture .content {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    position: relative;
  }
  .culture .content::after {
    content: '';
    height: 1rem;
    width: 2px;
    background: #5ABD4A;
    position: absolute;
    bottom: -0.6rem;
    left: 50%;
    transform: translateX(-50%);
  }
  .culture .item a {
    display: block;
  }
  .culture .item h3 {
    font-size: 0.5rem;
    text-align: center;
    color: #333;
    margin-bottom: 0.2rem;
  }
  .culture .item p {
    font-size: 0.4rem;
    color: #5ABD4A;
    text-align: center;
    /* margin-bottom: 0.2rem; */
  }
  .culture .item h2 {
    font-size: 0.4rem;
    color: #666;
    text-align: center;
    padding-top: 0.2rem;
    padding-bottom: 0.2rem;
  }
  .culture .item img {
    width: 100%;
  }
  .video .head,
  .news .head {
    text-align: center;
    padding-top: 0.4rem;
    padding-bottom: 0.6rem;
    box-sizing: border-box;
  }
  .video .head .title,
  .news .head .title {
    color: #333333;
    font-size: 0.5rem;
    margin-bottom: 0.2rem;
  }
  .video .head .sub-title,
  .news .head .sub-title {
    color: #999999;
    font-size: 0.4rem;
    position: relative;
    text-transform: uppercase;
  }
  .video .head .sub-title::after,
  .news .head .sub-title::after {
    content: '';
    width: 1rem;
    height: 2px;
    background: #5ABD4A;
    border-radius: 1px;
    position: absolute;
    left: 50%;
    bottom: -0.3rem;
    transform: translateX(-50%);
  }
  .video {
    background: #F7F8FC;
    padding: 0 0.3rem;
    box-sizing: border-box;
  }
  .video .head {
    background: #fff;
  }
  .video .body {
    padding: 0 10px;
    background: #fff;
    font-size: 0;
  }
  .video .body img {
    width: 100%;
  }
  .modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, .8);
  }
  .modal video {
    width: 90%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .news {
    overflow: hidden;
    background: #F7F8FC;
    padding: 0 0.3rem;
    box-sizing: border-box;
  }
  .news .head,
  .news .body,
  .news .footer {
    background: #fff;
    padding: 0 10px;
    box-sizing: border-box;
  }
  .news .head {
    padding-top: 0.3rem;
    padding-bottom: 0.6rem;
  }
  .news .body li {
    overflow: hidden;
    margin-bottom: 0.2rem;
  }
  .news .body li:last-child {
    margin-bottom: 0;
  }
  .news .body a {
    display: block;
    overflow: hidden;
  }
  .news .body img {
    width: 4rem;
    float: left;
    margin-right: 0.2rem;
  }
  .news .body .title {
    padding-top: 0.5rem;
    color: #333;
    font-size: 0.5rem;
    margin-bottom: 0.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .news .body .time {
    color: #666;
    font-size: 0.4rem;
  }
  .news .footer {
    text-align: right;
    padding-bottom: 0.5rem;
    font-size: 0;
    padding-top: 0.3rem;
  }
  .news .footer a {
    display: inline-block;
    width: 2rem;
    height: 0.5rem;
    line-height: 0.5rem;
    font-size: 0.3rem;
    border: 1px solid #5ABD4A;
    color: #5ABD4A;
    border-radius: 0.5rem;
    text-align: center;
  }
}