@media screen and (min-width: 1000px) {
  .banner {
    position: relative;
    width: 10rem;
    height: 3.125rem;
  }
  .banner .banner-bottom-nav {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul {
    display: flex;
    justify-content: center;
    margin: 0 auto;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li {
    position: relative;
    padding: 0.13020833rem 0.40625rem;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li:hover::after {
    content: '';
    display: block;
    position: absolute;
    width: 0.18229167rem;
    top: 0.28645833rem;
    left: 50%;
    transform: translateX(-50%);
    border-bottom: 0.00520833rem solid #ffffff;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li a {
    font-size: 0.08333333rem;
    text-align: left;
    color: #cccccc;
    letter-spacing: 0.00520833rem;
    white-space: nowrap;
  }
  .more {
    position: absolute;
    right: 17px;
    top: 1.03645833rem;
    background: url(../img/3.1/icon-更多.png) no-repeat right;
    background-size: 0.0625rem 0.0625rem;
    font-size: 0.10416667rem;
    color: #07a7ca;
    padding-right: 0.09375rem;
    cursor: pointer;
    white-space: nowrap;
  }
  .body-more {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
  }
  .body-more > div {
    display: flex;
    flex-flow: column;
    margin-right: 0.08854167rem;
    margin-bottom: 0.10416667rem;
  }
  .body-more > div span {
    text-align: left;
    text-indent: 0.05208333rem;
  }
  .body-more > div span span {
    float: right;
    padding-right: 0.05208333rem;
    font-size: 0.0625rem;
  }
  .body-more > div img {
    width: 2.375rem;
    height: 1.35416667rem;
    margin-bottom: 0.05208333rem;
  }
  section {
    animation: all 1.5s;
  }
  .nav-title-des {
    display: flex;
    flex-flow: column;
    align-items: center;
    height: 100%;
    text-align: center;
  }
  .nav-title-des > .title {
    margin-top: 0.64583333rem;
    font-size: 0.1875rem;
  }
  .nav-title-des > .des {
    display: block;
    position: relative;
    width: 1.66666667rem;
    font-size: 0.09375rem;
    margin-top: 0.13541667rem;
  }
  .nav-title-des > .des:before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav-title-des > .des:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav1 {
    width: 10rem;
    background: #1f272d;
    padding-bottom: 0.36458333rem;
  }
  .nav1 .nav1-box {
    position: relative;
    width: 7.29166667rem;
    box-sizing: content-box;
    padding-right: 17px;
  }
  .nav1 .nav1-box > .title {
    margin-top: 0.64583333rem;
    color: #ffffff;
  }
  .nav1 .nav1-box .body {
    position: relative;
    width: 7.29166667rem;
    height: 3.48958333rem;
    margin-top: 0.45833333rem;
  }
  .nav1 .nav1-box .body ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    height: 100%;
  }
  .nav1 .nav1-box .body ul li {
    position: relative;
    width: 33.3%;
    height: 50%;
    cursor: pointer;
  }
  .nav1 .nav1-box .body ul li img {
    width: 100%;
    height: 100%;
    border-radius: 0.1rem;
  }
  .nav1 .nav1-box .body ul li div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: rgba(0, 0, 0, 0.5);
    font-size: 0.10416667rem;
    display: flex;
    flex-flow: column;
    justify-content: center;
    overflow: hidden;
    transition: height 1s;
    z-index: 6;
    border-radius: 0.1rem;
  }
  .nav1 .nav1-box .body ul li .active {
    height: 100%;
  }
  .nav1 .nav1-box .body .img-box {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 27%;
    height: 63%;
    transform: translate(-50%, -50%) rotate(45deg);
    overflow: hidden;
    cursor: pointer;
  }
  .nav1 .nav1-box .body .img-box img {
    transform: rotate(-45deg);
    margin-top: -0.40104167rem;
    margin-left: -0.390625rem;
    width: 2.77083333rem;
    height: 2.77083333rem;
  }
  .nav1 .nav1-box .body .img-box .box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 2.77083333rem;
    height: 2.77083333rem;
    background: none;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.47916667rem;
  }
  .nav1 .nav1-box .body .img-box .box span {
    display: block;
    margin-top: 0.16666667rem;
    font-size: 0.125rem;
  }
  .nav1 .nav1-box .body .img-box .box .des {
    font-size: 0.08333333rem;
    text-indent: 0.17708333rem;
    line-height: 0.14583333rem;
  }
  .nav1 .nav1-box .body .img-box .box .icon {
    width: 0.15625rem;
    height: 0.09375rem;
    background: url(../img/3.1/icon-箭头.png) no-repeat;
    background-size: 0.15625rem 0.08838542rem;
  }
  .nav1 .nav1-box .body-more {
    justify-content: flex-start;
    width: 7.45833333rem;
  }
  .nav1 .nav1-box .body-more div {
    margin-right: 0.125rem;
  }
  .nav2 {
    width: 10rem;
    background: #1c2125;
    padding-bottom: 0.36458333rem;
  }
  .nav2 .nav2-box {
    position: relative;
    width: 7.29166667rem;
    margin: 0 auto;
    box-sizing: content-box;
    padding-right: 17px;
  }
  .nav2 .nav2-box > .title {
    margin-top: 0.57291667rem;
    color: #ffffff;
  }
  .nav2 .nav2-box > .des {
    font-size: 0.09375rem;
  }
  .nav2 .nav2-box .body {
    width: 7.33333333rem;
    height: 3.3125rem;
    margin: 0.46875rem auto 0;
    overflow: hidden;
  }
  .nav2 .nav2-box .body .nav6-item {
    float: left;
    text-align: left;
    cursor: pointer;
  }
  .nav2 .nav2-box .body .nav6-item img {
    border-radius: 0.05208333rem;
  }
  .nav2 .nav2-box .body .nav6-item > span {
    position: relative;
    margin-top: 0.05208333rem;
    display: inline-block;
    padding: 0 0.11458333rem;
    width: 100%;
    font-size: 0.10416667rem;
  }
  .nav2 .nav2-box .body .nav6-item > span span {
    position: absolute;
    font-size: 0.08333333rem;
  }
  .nav2 .nav2-box .body .nav6-item > span .title {
    left: 0.05208333rem;
  }
  .nav2 .nav2-box .body .nav6-item > span .iconfont {
    right: 0.05208333rem;
  }
  .nav2 .nav2-box .body .nav6-item1 {
    width: 2.39583333rem;
    height: 3.07291667rem;
  }
  .nav2 .nav2-box .body .nav6-item1 img {
    width: 2.375rem;
    height: 3.0625rem;
  }
  .nav2 .nav2-box .body .nav6-item2 {
    width: 2.39583333rem;
    height: 1.69791667rem;
    margin-left: 0.07291667rem;
  }
  .nav2 .nav2-box .body .nav6-item2 img {
    width: 2.39583333rem;
    height: 1.375rem;
  }
  .nav2 .nav2-box .body .nav6-item3 {
    width: 2.39583333rem;
    height: 1.69791667rem;
    margin-left: 0.07291667rem;
  }
  .nav2 .nav2-box .body .nav6-item3 img {
    width: 100%;
    height: 1.375rem;
  }
  .nav2 .nav2-box .body-more {
    width: 7.33333333rem;
  }
  .nav2 .nav2-box .body-more div {
    margin-right: 0.10416667rem;
  }
  .nav2 .nav2-box .body-more div:nth-child(3n) {
    margin-right: 0;
  }
  .nav3 {
    width: 100%;
    background-color: #1f272d;
    padding-bottom: 0.36458333rem;
  }
  .nav3 .nav3-header {
    position: relative;
    width: 3.26041667rem;
    margin: 0 auto;
  }
  .nav3 .nav3-header .more {
    top: 0.78125rem;
    left: 4.7rem;
    width: 0.52083333rem;
    white-space: nowrap;
    color: #07a7ca;
  }
  .nav3 .nav3-header span {
    display: block;
    text-align: center;
    color: #cccccc;
  }
  .nav3 .nav3-header .title {
    font-size: 0.1875rem;
    margin-top: 0.671875rem;
    color: #ffffff;
  }
  .nav3 .nav3-header .des {
    position: relative;
    width: 1.66666667rem;
    font-size: 0.09375rem;
    margin: 0.13541667rem auto 0;
  }
  .nav3 .nav3-header .des::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav3 .nav3-header .des::after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav3 .nav3-body,
  .nav3 .body-more {
    display: flex;
    justify-content: flex-start;
    width: 7.375rem;
    margin: 0.78125rem auto 0.10416667rem;
  }
  .nav3 .nav3-body .nav3-body-item,
  .nav3 .body-more .nav3-body-item {
    width: 1.76041667rem;
    height: 2.41666667rem;
    background-color: #3b454e;
    cursor: pointer;
    border-radius: 0.05208333rem;
    margin-right: 0.09375rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item {
    height: 100%;
  }
  .nav3 .nav3-body .nav3-body-item:nth-child(4n),
  .nav3 .body-more .nav3-body-item:nth-child(4n) {
    margin-right: 0;
  }
  .nav3 .nav3-body .nav3-body-item img,
  .nav3 .body-more .nav3-body-item img {
    width: 100%;
    height: 1.078125rem;
    border-top-left-radius: 0.05208333rem;
    border-top-right-radius: 0.05208333rem;
    margin-bottom: 0;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box {
    position: relative;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 55%;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box > span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box > span {
    position: relative;
    display: block;
    padding: 0.20833333rem;
    font-size: 0.10416667rem;
    white-space: nowrap;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box > span::after,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box > span::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0.05208333rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0.375rem;
    border-bottom: 0.02083333rem solid #ffffff;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box p,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box p {
    margin-top: 0.21875rem;
    width: 1.39583333rem;
    text-indent: 0.14583333rem;
    font-size: 0.07291667rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 0.13541667rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div {
    position: absolute;
    bottom: 0.08333333rem;
    width: 1.39583333rem;
    margin-top: 0.17708333rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div span {
    font-size: 0.08333333rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div span span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div span span {
    float: none;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div:after,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    width: 0.16666667rem;
    height: 0.10416667rem;
    background: url(../img/3.1/icon-箭头.png) no-repeat;
    background-size: 0.15625rem 0.08838542rem;
  }
  .nav3 .body-more {
    margin-top: 0.10416667rem;
  }
  .nav4 {
    width: 100%;
    background-color: #1c2125;
    padding-bottom: 0.36458333rem;
  }
  .nav4 .nav4-header {
    position: relative;
    width: 3.26041667rem;
    margin: 0 auto;
  }
  .nav4 .nav4-header .more {
    top: 0.78125rem;
    left: 4.7rem;
    width: 0.52083333rem;
    color: #07a7ca;
  }
  .nav4 .nav4-header span {
    display: block;
    text-align: center;
    color: #cccccc;
  }
  .nav4 .nav4-header .title {
    font-size: 0.1875rem;
    margin-top: 0.671875rem;
    color: #ffffff;
  }
  .nav4 .nav4-header .des {
    position: relative;
    font-size: 0.09375rem;
    margin: 0.13541667rem auto 0;
    width: 1.66666667rem;
  }
  .nav4 .nav4-header .des::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav4 .nav4-header .des::after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.27083333rem;
    border-top: 0.00520833rem solid #ffffff;
  }
  .nav4 .nav4-body,
  .nav4 .body-more {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    width: 7.40625rem;
    margin: 0.89583333rem auto 0;
  }
  .nav4 .nav4-body .nav4-body-box,
  .nav4 .body-more .nav4-body-box {
    position: relative;
    width: 1.375rem;
    height: 1.84375rem;
    cursor: pointer;
    margin-right: 0.10416667rem;
  }
  .nav4 .nav4-body .nav4-body-box img,
  .nav4 .body-more .nav4-body-box img {
    width: 1.35416667rem;
    height: 1.35416667rem;
    border-radius: 0.68229167rem;
  }
  .nav4 .nav4-body .nav4-body-box span,
  .nav4 .body-more .nav4-body-box span {
    position: absolute;
    display: block;
    bottom: 0;
    text-align: center;
    width: 100%;
    font-size: 0.10416667rem;
  }
  .nav4 .body-more {
    flex-wrap: wrap;
    margin-top: 0.10416667rem;
  }
  footer.footer {
    margin-top: 0;
  }
}
@media screen and (max-width: 999px) {
  .banner {
    position: relative;
    width: 10rem;
    padding-bottom: 36%;
  }
  .banner .banner-bottom-nav {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul {
    display: flex;
    justify-content: center;
    margin: 0 auto;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li {
    position: relative;
    padding: 0.33333333rem 1.04rem;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li:hover::after {
    content: '';
    display: block;
    position: absolute;
    width: 0.46666667rem;
    top: 0.73333333rem;
    left: 50%;
    transform: translateX(-50%);
    border-bottom: 0.01333333rem solid #ffffff;
  }
  .banner .banner-bottom-nav .banner-bottom-nav-ul li a {
    font-size: 0.21333333rem;
    text-align: left;
    color: #cccccc;
    letter-spacing: 0.01333333rem;
    white-space: nowrap;
  }
  .more {
    position: absolute;
    right: 0.86rem;
    top: 2.65333333rem;
    background: url(../img/3.1/icon-更多.png) no-repeat right;
    background-size: 0.16rem 0.16rem;
    font-size: 0.26666667rem;
    color: #07a7ca;
    padding-right: 0.24rem;
    cursor: pointer;
    white-space: nowrap;
  }
  .body-more {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
  }
  .body-more > div {
    display: flex;
    flex-flow: column;
    margin-right: 0.22666667rem;
    margin-bottom: 0.26666667rem;
  }
  .body-more > div span {
    text-align: left;
    text-indent: 0.13333333rem;
  }
  .body-more > div span span {
    float: right;
    padding-right: 0.13333333rem;
    font-size: 0.16rem;
  }
  .body-more > div img {
    width: 6.08rem;
    height: 3.46666667rem;
    margin-bottom: 0.13333333rem;
  }
  section {
    animation: all 1.5s;
  }
  .nav-title-des {
    display: flex;
    flex-flow: column;
    align-items: center;
    height: 100%;
    text-align: center;
  }
  .nav-title-des > .title {
    margin-top: 1.65333333rem;
    font-size: 0.48rem;
  }
  .nav-title-des > .des {
    display: block;
    position: relative;
    width: 4.26666667rem;
    font-size: 0.24rem;
    margin-top: 0.34666667rem;
  }
  .nav-title-des > .des:before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav-title-des > .des:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav1 {
    width: 10rem;
    background: #1f272d;
    padding-bottom: 0.93333333rem;
  }
  .nav1 .nav1-box {
    position: relative;
    width: 18.66666667rem;
    box-sizing: content-box;
    padding-right: 17px;
  }
  .nav1 .nav1-box > .title {
    margin-top: 1.65333333rem;
    color: #ffffff;
  }
  .nav1 .nav1-box .body {
    position: relative;
    width: 100%;
    height: 10.61333333rem;
    margin-top: 1.17333333rem;
  }
  .nav1 .nav1-box .body ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    height: 100%;
  }
  .nav1 .nav1-box .body ul li {
    position: relative;
    width: 50%;
    height: 33.3%;
    cursor: pointer;
  }
  .nav1 .nav1-box .body ul li img {
    width: 100%;
    height: 100%;
  }
  .nav1 .nav1-box .body ul li div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: rgba(0, 0, 0, 0.5);
    font-size: 0.26666667rem;
    display: flex;
    flex-flow: column;
    justify-content: center;
    overflow: hidden;
    transition: height 1s;
    z-index: 10;
  }
  .nav1 .nav1-box .body ul li .active {
    height: 100%;
  }
  .nav1 .nav1-box .body .img-box {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 27%;
    height: 63%;
    transform: translate(-50%, -50%) rotate(45deg);
    overflow: hidden;
    cursor: pointer;
  }
  .nav1 .nav1-box .body .img-box img {
    transform: rotate(-45deg);
    margin-top: -1.02666667rem;
    margin-left: -1rem;
    width: 7.09333333rem;
    height: 7.09333333rem;
  }
  .nav1 .nav1-box .body .img-box .box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 7.09333333rem;
    height: 7.09333333rem;
    background: none;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    padding: 1.22666667rem;
  }
  .nav1 .nav1-box .body .img-box .box span {
    display: block;
    margin-top: 0.42666667rem;
    font-size: 0.32rem;
  }
  .nav1 .nav1-box .body .img-box .box .des {
    font-size: 0.21333333rem;
    text-indent: 0.45333333rem;
    line-height: 0.37333333rem;
  }
  .nav1 .nav1-box .body .img-box .box .icon {
    width: 0.4rem;
    height: 0.24rem;
    background: url(../img/3.1/icon-箭头.png) no-repeat;
    background-size: 0.4rem 0.22626667rem;
  }
  .nav1 .nav1-box .body-more {
    justify-content: flex-start;
    width: 19.09333333rem;
  }
  .nav1 .nav1-box .body-more div {
    margin-right: 0.32rem;
  }
  .nav2 {
    width: 10rem;
    background: #1c2125;
    padding-bottom: 0.93333333rem;
  }
  .nav2 .nav2-box {
    position: relative;
    width: 100%;
    margin: 0 auto;
    box-sizing: content-box;
    padding-right: 17px;
  }
  .nav2 .nav2-box > .title {
    margin-top: 1.46666667rem;
    color: #ffffff;
  }
  .nav2 .nav2-box > .des {
    font-size: 0.24rem;
  }
  .nav2 .nav2-box .body {
    width: 100%;
    margin: 1.2rem auto 0;
    overflow: hidden;
    padding: 0 0.32rem;
  }
  .nav2 .nav2-box .body .nav6-item {
    float: left;
    text-align: left;
    cursor: pointer;
  }
  .nav2 .nav2-box .body .nav6-item img {
    border-radius: 0.13333333rem;
  }
  .nav2 .nav2-box .body .nav6-item > span {
    position: relative;
    margin-top: 0.13333333rem;
    display: inline-block;
    padding: 0 0.13333333rem;
    width: 100%;
    font-size: 0.24rem;
  }
  .nav2 .nav2-box .body .nav6-item > span .title {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    width: 101px;
    text-overflow: ellipsis;
  }
  .nav2 .nav2-box .body .nav6-item > span .iconfont {
    position: absolute;
    right: 0.26666667rem;
    font-size: 0.21333333rem;
  }
  .nav2 .nav2-box .body .nav6-item1 {
    width: 4.50666667rem;
    height: 8.56rem;
  }
  .nav2 .nav2-box .body .nav6-item1 img {
    width: 100%;
    height: 7.81333333rem;
  }
  .nav2 .nav2-box .body .nav6-item2 {
    width: 4.56rem;
    height: 4.33333333rem;
    margin-left: 0.29333333rem;
  }
  .nav2 .nav2-box .body .nav6-item2 img {
    width: 100%;
    height: 3.46666667rem;
  }
  .nav2 .nav2-box .body .nav6-item3 {
    width: 4.56rem;
    height: 4.33333333rem;
  }
  .nav2 .nav2-box .body .nav6-item3 + .nav6-item3 {
    margin-left: 0.18666667rem;
  }
  .nav2 .nav2-box .body .nav6-item3 img {
    width: 100%;
    height: 3.46666667rem;
  }
  .nav2 .nav2-box .body-more {
    width: 10rem;
    padding: 0 0.32rem;
  }
  .nav2 .nav2-box .body-more div {
    width: 4.56rem;
    height: 4.33333333rem;
    margin-right: 0.18666667rem;
  }
  .nav2 .nav2-box .body-more div:nth-child(2n) {
    margin-right: 0;
  }
  .nav2 .nav2-box .body-more div img {
    width: 100%;
    height: 3.46666667rem;
  }
  .nav3 {
    width: 100%;
    background-color: #1f272d;
    padding-bottom: 0.93333333rem;
  }
  .nav3 .nav3-header {
    position: relative;
    width: 8.34666667rem;
    margin: 0 auto;
  }
  .nav3 .nav3-header .more {
    top: 2.13333333rem;
    right: -0.4rem;
    width: 1.33333333rem;
    white-space: nowrap;
    color: #07a7ca;
    padding-right: 1.64rem;
  }
  .nav3 .nav3-header span {
    display: block;
    text-align: center;
    color: #cccccc;
  }
  .nav3 .nav3-header .title {
    font-size: 0.48rem;
    margin-top: 1.72rem;
    color: #ffffff;
  }
  .nav3 .nav3-header .des {
    position: relative;
    width: 4.26666667rem;
    font-size: 0.24rem;
    margin: 0.34666667rem auto 0;
  }
  .nav3 .nav3-header .des::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav3 .nav3-header .des::after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav3 .nav3-body,
  .nav3 .body-more {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    margin: 2rem auto 0.26666667rem;
  }
  .nav3 .nav3-body .nav3-body-item,
  .nav3 .body-more .nav3-body-item {
    width: 4.50666667rem;
    height: 6.18666667rem;
    background-color: #3b454e;
    cursor: pointer;
    border-radius: 0.13333333rem;
    margin-bottom: 0.24rem;
  }
  .nav3 .nav3-body .nav3-body-item:nth-child(2n-1),
  .nav3 .body-more .nav3-body-item:nth-child(2n-1) {
    margin-right: 0.24rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item {
    height: 100%;
  }
  .nav3 .nav3-body .nav3-body-item:nth-child(2n),
  .nav3 .body-more .nav3-body-item:nth-child(2n) {
    margin-right: 0;
  }
  .nav3 .nav3-body .nav3-body-item img,
  .nav3 .body-more .nav3-body-item img {
    width: 4.48rem;
    height: 2.76rem;
    margin-bottom: 0;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box {
    position: relative;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 55%;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box > span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box > span {
    position: relative;
    display: block;
    padding: 0.53333333rem;
    font-size: 0.26666667rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box > span::after,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box > span::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0.13333333rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0.96rem;
    border-bottom: 0.05333333rem solid #ffffff;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box p,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box p {
    margin-top: 0.25333333rem;
    width: 3.57333333rem;
    text-indent: 0.37333333rem;
    font-size: 0.16rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 0.34666667rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div {
    position: absolute;
    bottom: 0.21333333rem;
    width: 3.57333333rem;
    margin-top: 0.45333333rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div span {
    font-size: 0.21333333rem;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div span span,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div span span {
    float: none;
  }
  .nav3 .nav3-body .nav3-body-item .nav3-body-item-item-box div:after,
  .nav3 .body-more .nav3-body-item .nav3-body-item-item-box div:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    width: 0.42666667rem;
    height: 0.26666667rem;
    background: url(../img/3.1/icon-箭头.png) no-repeat;
    background-size: 0.4rem 0.22626667rem;
  }
  .nav3 .body-more {
    margin-top: 0.26666667rem;
  }
  .nav4 {
    width: 100%;
    background-color: #1c2125;
    padding-bottom: 0.93333333rem;
  }
  .nav4 .nav4-header {
    position: relative;
    width: 8.34666667rem;
    margin: 0 auto;
  }
  .nav4 .nav4-header .more {
    top: 2rem;
    left: 7rem;
    width: 1.33333333rem;
    color: #07a7ca;
    text-indent: -0.13333333rem;
  }
  .nav4 .nav4-header span {
    display: block;
    text-align: center;
    color: #cccccc;
  }
  .nav4 .nav4-header .title {
    font-size: 0.48rem;
    margin-top: 1.72rem;
    color: #ffffff;
  }
  .nav4 .nav4-header .des {
    position: relative;
    font-size: 0.24rem;
    margin: 0.34666667rem auto 0;
    width: 4.26666667rem;
  }
  .nav4 .nav4-header .des::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav4 .nav4-header .des::after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    width: 0.69333333rem;
    border-top: 0.01333333rem solid #ffffff;
  }
  .nav4 .nav4-body,
  .nav4 .body-more {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 10rem;
    margin: 2.29333333rem auto 0;
    padding: 0 0.93333333rem;
  }
  .nav4 .nav4-body .nav4-body-box,
  .nav4 .body-more .nav4-body-box {
    position: relative;
    width: 3.54666667rem;
    height: 4.72rem;
    cursor: pointer;
    margin-right: 0.26666667rem;
  }
  .nav4 .nav4-body .nav4-body-box:nth-child(2n),
  .nav4 .body-more .nav4-body-box:nth-child(2n) {
    margin-right: 0;
  }
  .nav4 .nav4-body .nav4-body-box img,
  .nav4 .body-more .nav4-body-box img {
    width: 3.54666667rem;
    height: 3.54666667rem;
    border-radius: 1.74666667rem;
  }
  .nav4 .nav4-body .nav4-body-box span,
  .nav4 .body-more .nav4-body-box span {
    position: absolute;
    display: block;
    bottom: 0.21333333rem;
    text-align: center;
    width: 100%;
    font-size: 0.26666667rem;
  }
  .nav4 .body-more {
    flex-wrap: wrap;
    margin-top: 0.26666667rem;
  }
  footer.footer {
    margin-top: 0;
  }
}
/*# sourceMappingURL=example.css.map */