:root {
  --index-bg-color1: #0c141c;
  --index-bg-color2: #0c141c;
}

.index {
  width: 100%;
  min-height: 100%;
  background: var(--index-bg-color2);
}

.top_nav {
  border-bottom: 1px solid var(---, #1f2830);
  background: linear-gradient(
    0deg,
    var(---BG, #0c141c) 0%,
    var(---, #1f2830) 100%
  );
}
.top_nav .main_wrap {
  width: min(12.8rem, calc(100% - 0.4rem));
  margin: 0 auto;
}
@media screen and (max-width: 767px) {
  .top_nav .main_wrap {
    height: 0.4rem;
    width: calc(100% - 0.3rem);
  }
  .main_wrap img {
    width: 1rem;
  }
}

@media screen and (min-width: 1100px) {
  .top_nav .main_wrap {
    height: 0.48rem;
  }
  .main_wrap img {
    width: 1.44rem;
  }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
  .top_nav .main_wrap {
    height: 0.48rem;
  }
  .main_wrap img {
    width: 1.44rem;
  }
}

/* ===========  banner  =============== */

.banner_wrap {
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.banner_wrap img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.banner_wrap h3 {
  position: absolute;
}
.banner_wrap p {
  position: absolute;
}
.banner_wrap .download_links {
  position: absolute;
}

.download_links .item {
  -webkit-user-select: none;
  -ms-user-select: none;
  -moz-user-select: none;
  -khtml-user-select: none;
  user-select: none;
  color: #dbdbdb;
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid #ffea48;
  border-radius: 1rem;
  backdrop-filter: blur(0.08rem);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease,
    transform 0.2s ease;
}
@media screen and (max-width: 767px) {
  .banner_wrap {
    background: url("../images/gw_zs_2.png") no-repeat center;
    width: 100%;
    margin: 0 auto;
    min-height: 5.3rem;
    padding: 1.1rem 0.22rem 0.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background-size: cover;
    background-position: center top;
  }
  .banner_wrap h3 {
    position: static;
    width: min(100%, 3rem);
    font-size: 0.22rem;
    line-height: 1.35;
    text-align: center;
    text-shadow: 0 0.04rem 0.16rem rgba(0, 0, 0, 0.35);
  }
  .banner_wrap p {
    position: static;
    display: block;
    width: min(100%, 3.15rem);
    margin-top: 0.18rem;
    font-size: 0.12rem;
    line-height: 1.6;
    text-align: center;
    color: rgba(255, 255, 255, 0.86);
  }

  /* 下载按钮 */
  .banner_wrap .download_links {
    position: static;
    width: min(100%, 3.3rem);
    margin-top: 0.26rem;
  }
  .download_links .item {
    width: 100%;
    height: 0.46rem;
    justify-content: center;
    padding: 0 0.15rem;
    margin-bottom: 0.15rem;
  }
  .download_links .item img {
    width: 0.24rem;
    height: 0.29rem;
  }
  .download_links .item span {
    font-size: 0.2rem;
    line-height: 1;
    margin-left: 0.1rem;
  }
}

@media screen and (min-width: 1100px) {
  .banner_wrap {
    background: url("../images/gw_zs.png") no-repeat center;
    width: 100%;
    margin: 0 auto;
    height: 7.23rem;
    background-size: cover;
  }
  .banner_wrap h3 {
    top: 1.5rem;
    left: 1.9rem;
    font-size: 0.2rem;
    max-width: 4.5rem;
    line-height: 1.4;
  }

  .banner_wrap p {
    width: 6rem;
    top: 2rem;
    left: 1.9rem;
    font-size: 0.14rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.84);
  }

  /* 下载按钮 */
  .banner_wrap .download_links {
    top: 50%;
    left: 1.8rem;
    transform: translateY(-20%);
  }
  .download_links .item:hover {
    color: #e2a925;
    border-color: #e2a925;
    background-color: rgba(0, 0, 0, 0.55);
    transform: translateY(-0.02rem);
    cursor: pointer;
  }
  .download_links .item {
    width: 4.5rem;
    height: 0.63rem;
    padding-left: 0.26rem;
    margin-bottom: 0.3rem;
  }
  .download_links .item img {
    width: 0.33rem;
    height: 0.4rem;
  }
  .download_links .item span {
    font-size: 0.2rem;
    line-height: 1;
    margin-left: 0.22rem;
  }
}
@media screen and (max-width: 1099px) and (min-width: 766px) {
  .banner_wrap {
    background: url("../images/pb_zs.png") no-repeat center;
    width: 100%;
    margin: 0 auto;
    height: 4.22rem;
    background-size: cover;
  }
  .banner_wrap h3 {
    top: 1.2rem;
    left: 0.7rem;
    font-size: 0.16rem;
    width: 5rem;
    line-height: 1.4;
  }

  .banner_wrap p {
    width: 4.5rem;
    top: 1.8rem;
    left: 0.7rem;
    font-size: 0.14rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.84);
  }

  /* 下载按钮 */
  .banner_wrap .download_links {
    top: 60%;
    left: 0.7rem;
    transform: translateY(20%);
  }
  .download_links .item:hover {
    color: #e2a925;
    border-color: #e2a925;
    background-color: rgba(0, 0, 0, 0.55);
    transform: translateY(-0.02rem);
    cursor: pointer;
  }
  .download_links .item {
    width: 3rem;
    height: 0.34rem;
    padding-left: 0.15rem;
    margin-bottom: 0.15rem;
  }
  .download_links .item img {
    width: 0.2rem;
    height: 0.24rem;
  }
  .download_links .item span {
    font-size: 0.16rem;
    line-height: 1;
    margin-left: 0.1rem;
  }
}

/* ===========  tab  =============== */

.tab_wrap {
  background: var(--index-bg-color2);
  position: relative;
  z-index: 2;
}
.tab_wrap .tab_main_wrap {
  max-width: 12.8rem;
  width: min(12.8rem, calc(100% - 0.4rem));
  margin: 0 auto;
  height: 100%;
  justify-content: space-around;
}
.tab_main_wrap .img_wrap img {
  width: 100%;
  height: 100%;
}
@media screen and (max-width: 767px) {
  .tab_wrap {
    height: 0.5rem;
    padding: 0 0.2rem;
    margin-top: 0.2rem;
  }
  .tab_wrap .img1 {
    width: 0.4rem;
    height: 0.18rem;
  }
  .tab_wrap .img2 {
    width: 0.36rem;
    height: 0.2rem;
  }
  .tab_wrap .img3 {
    width: 0.42rem;
    height: 0.22rem;
  }
  .tab_wrap .img4 {
    width: 0.46rem;
    height: 0.18rem;
  }
}

@media screen and (min-width: 1100px) {
  .tab_wrap {
    height: 0.7rem;
  }
  .tab_wrap .img1 {
    width: 0.79rem;
    height: 0.36rem;
  }
  .tab_wrap .img2 {
    width: 0.75rem;
    height: 0.4rem;
  }
  .tab_wrap .img3 {
    width: 0.44rem;
    height: 0.44rem;
  }
  .tab_wrap .img4 {
    width: 0.93rem;
    height: 0.36rem;
  }
}
@media screen and (max-width: 1099px) and (min-width: 766px) {
  .tab_wrap {
    height: 0.7rem;
  }
  .tab_wrap .img1 {
    width: 0.79rem;
    height: 0.36rem;
  }
  .tab_wrap .img2 {
    width: 0.75rem;
    height: 0.4rem;
  }
  .tab_wrap .img3 {
    width: 0.44rem;
    height: 0.44rem;
  }
  .tab_wrap .img4 {
    width: 0.93rem;
    height: 0.36rem;
  }
}

/* ===========  list  =============== */

.list_main_wrap {
  background: var(--index-bg-color1);
}
.list_main_wrap .main_wrap {
  max-width: 12.8rem;
  margin: 0 auto;
  width: min(12.8rem, calc(100% - 0.4rem));
}
.main_wrap .head_title {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: fit-content;
  margin: 0 auto;
  isolation: isolate;
}
.head_title::after {
  content: "";
  display: block;
  position: relative;
  z-index: 1;
  background: url("../images/gw_db_1.png") no-repeat center;
  background-size: 100% 100%;
  transform: rotateY(180deg);
}
.head_title img {
  display: block;
  max-width: 100%;
  position: relative;
  z-index: 1;
}
.head_title .left_img {
  /* margin-right: -0.01rem; */
}
.head_title h2 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  line-height: 1;
  background: linear-gradient(
    0deg,
    #ffc300 36.9873046875%,
    #ffea65 83.6669921875%
  );
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  white-space: nowrap;
  padding: 0 0.12rem;
}
.head_title h2::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% + 0.32rem);
  height: calc(100% + 0.42rem);
  /* background: var(--index-bg-color1); */
  z-index: -1;
}

.desc_list_wrap {
  font-size: 0.14rem;
  color: #ccc;
}

.desc_list_wrap .item {
  align-items: center;
}

.desc_list_wrap .item .main_text h3 {
  line-height: 1.35;
}

.desc_list_wrap .item .main_text p {
  line-height: 1.7;
}

.desc_list_wrap .item:nth-child(1) {
  background: linear-gradient(
    90deg,
    var(---, #1f2830) 0%,
    var(---BG, #0c141c) 100%
  );
}

.desc_list_wrap .item:nth-child(2) {
  background: linear-gradient(
    90deg,
    var(---, #1f2830) 0%,
    var(---BG, #0c141c) 100%
  );
}

.desc_list_wrap .item:nth-child(3) {
  background: linear-gradient(
    90deg,
    var(---, #1f2830) 0%,
    var(---BG, #0c141c) 100%
  );
}

.desc_list_wrap .item:nth-child(4) {
  background: linear-gradient(
    90deg,
    var(---, #1f2830) 0%,
    var(---BG, #0c141c) 100%
  );
  margin-bottom: 0;
}

@media screen and (max-width: 767px) {
  .list_main_wrap {
    padding: 0 0 0.1rem;
  }
  /* 标题 */
  .head_title {
    margin-top: 0;
    padding-top: 0.08rem;
  }
  .head_title img,
  .head_title::after {
    width: 0.94rem;
    height: 0.52rem;
  }
  .head_title .left_img {
    /* margin-right: -0.06rem; */
  }
  .head_title h2 {
    font-size: 0.16rem;
    padding: 0 0.06rem;
  }
  .head_title h2::before {
    width: calc(100% + 0.14rem);
    height: calc(100% + 0.18rem);
  }
  .head_title::after {
    margin-left: -0.02rem;
  }

  .desc_list_wrap {
    padding: 0.1rem;
  }
  .desc_list_wrap .item {
    border-radius: 0.1rem;
    margin-bottom: 0.2rem;
    padding: 0.1rem;
    align-items: flex-start;
  }

  .desc_list_wrap .item .main_text {
    flex: 1;
  }

  .desc_list_wrap .item .main_text h3 {
    font-size: 0.14rem;
  }
  .desc_list_wrap .item .main_text p {
    margin-top: 0.04rem;
    font-size: 0.1rem;
  }

  .desc_list_wrap .item:nth-child(1) img,
  .desc_list_wrap .item:nth-child(3) img {
    width: 0.58rem;
    height: 0.58rem;
    margin-left: 0.2rem;
    flex-shrink: 0;
  }

  .desc_list_wrap .item:nth-child(2) img,
  .desc_list_wrap .item:nth-child(4) img {
    width: 0.58rem;
    height: 0.58rem;
    margin-right: 0.2rem;
    flex-shrink: 0;
  }
}

@media screen and (min-width: 1100px) {
  .list_main_wrap {
    padding-bottom: 0.88rem;
  }
  /* 标题 */
  .head_title {
    padding-top: 0;
  }
  .head_title img,
  .head_title::after {
    width: 4.4rem;
    height: 1.54rem;
  }
  .head_title .left_img {
    /* margin-right: -0.16rem; */
  }
  .head_title h2 {
    font-size: 0.53rem;
    padding: 0 0.16rem;
  }
  .head_title h2::before {
    width: calc(100% + 0.46rem);
    height: calc(100% + 0.62rem);
  }
  .head_title::after {
    margin-left: -0.02rem;
  }

  .desc_list_wrap {
    margin-top: 0.7rem;
    text-align: justify;
  }
  .desc_list_wrap .item {
    min-height: 2.5rem;
    border-radius: 0.1rem;
    margin-bottom: 0.88rem;
  }
  .desc_list_wrap .item .main_text p {
    margin-top: 0.16rem;
    line-height: 0.24rem;
  }

  .desc_list_wrap .item:nth-child(1),
  .desc_list_wrap .item:nth-child(3) {
    padding: 0 0.62rem 0 0.32rem;
  }
  .desc_list_wrap .item:nth-child(1) img,
  .desc_list_wrap .item:nth-child(3) img {
    margin-left: 0.8rem;
  }

  .desc_list_wrap .item:nth-child(2),
  .desc_list_wrap .item:nth-child(4) {
    padding: 0 0.32rem 0 0.62rem;
  }
  .desc_list_wrap .item:nth-child(2) img,
  .desc_list_wrap .item:nth-child(4) img {
    margin-right: 0.8rem;
  }
}
@media screen and (max-width: 1099px) and (min-width: 766px) {
  .list_main_wrap {
    padding: 0 0.4rem;
    padding-bottom: 0.88rem;
  }
  /* 标题 */
  .head_title {
    padding-top: 0;
  }
  .head_title img,
  .head_title::after {
    width: 2.2rem;
    height: 0.77rem;
  }
  .head_title .left_img {
    margin-right: -0.08rem;
  }
  .head_title h2 {
    font-size: 0.36rem;
    padding: 0 0.1rem;
  }
  .head_title h2::before {
    width: calc(100% + 0.28rem);
    height: calc(100% + 0.38rem);
  }
  .head_title::after {
    margin-left: -0.02rem;
  }

  .desc_list_wrap {
    margin-top: 0.7rem;
  }
  .desc_list_wrap .item {
    min-height: 1.8rem;
    border-radius: 0.1rem;
    margin-bottom: 0.4rem;
  }
  .desc_list_wrap .item .main_text p {
    margin-top: 0.16rem;
    line-height: 0.24rem;
  }

  .desc_list_wrap .item:nth-child(1),
  .desc_list_wrap .item:nth-child(3) {
    padding: 0 0.62rem 0 0.32rem;
  }
  .desc_list_wrap .item:nth-child(1) img,
  .desc_list_wrap .item:nth-child(3) img {
    margin-left: 0.8rem;
  }

  .desc_list_wrap .item:nth-child(2),
  .desc_list_wrap .item:nth-child(4) {
    padding: 0 0.32rem 0 0.62rem;
  }
  .desc_list_wrap .item:nth-child(2) img,
  .desc_list_wrap .item:nth-child(4) img {
    margin-right: 0.8rem;
  }
}

/* ===========  footer  =============== */

.footer_wrap {
  background-color: #1f2830;
}
.footer_wrap .main_wrap {
  margin: 0 auto;
  color: #8595ae;
  width: min(12.8rem, calc(100% - 0.4rem));
  text-align: center;
}
@media screen and (max-width: 767px) {
  .footer_wrap .main_wrap {
    min-height: 0.56rem;
    padding: 0.1rem 0;
    font-size: 0.12rem;
  }
}

@media screen and (min-width: 1100px) {
  .footer_wrap .main_wrap {
    height: 0.65rem;
    max-width: 12.8rem;
    font-size: 0.18rem;
  }
}
@media screen and (max-width: 1099px) and (min-width: 766px) {
  .footer_wrap .main_wrap {
    min-height: 0.5rem;
    font-size: 0.12rem;
  }
}