html {
  font-size: calc(100vw / 12.8);
}

body {
  height: 100vh;
  overflow: hidden;
  background: url("../imgs/bg.png") no-repeat center;
  background-size: 100% 100%;
}

#main {
  height: 100%;
  overflow-y: auto;
}

#main .main_fixed {
  height: 0.5rem;
  width: 100%;
  background-color: #fff;
  position: fixed;
  top: 0;
  z-index: 10;
}

#main .main_fixed .fixed_box {
  height: 100%;
  width: 8.5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#main .main_fixed .fixed_box .box_left {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #000;
}

#main .main_fixed .fixed_box .box_left img {
  height: 0.36rem;
  margin-right: 0.1rem;
}

#main .main_fixed .fixed_box .box_left span {
  font-size: 0.16rem;
  font-weight: bold;
}

#main .main_fixed .fixed_box .box_right {
  display: flex;
  align-items: center;
}

#main .main_fixed .fixed_box .box_right .download {
  display: block;
  width: 0.9rem;
  height: 0.32rem;
  background: url("../imgs/down.png") no-repeat center;
  background-size: 100% 100%;
  cursor: pointer;
}

#main .main_fixed .fixed_box .box_right .download:hover {
  opacity: 0.8;
}

#main .main_fixed .fixed_box .box_right .about {
  color: #000;
  font-size: 0.12rem;
  text-decoration: none;
  margin-left: 0.1rem;
}

#main .main_fixed .fixed_box .box_right .about:hover {
  text-decoration: underline;
}

#main .main_banner {
  width: 8.5rem;
  margin: 0.8rem auto;
}

#main .main_banner .banner_top {
  display: flex;
  align-items: center;
  justify-content: center;
}

#main .main_banner .banner_top img {
  height: 0.48rem;
  margin-right: 0.1rem;
}

#main .main_banner .banner_top p {
  height: 0.48rem;
  line-height: 0.48rem;
  font-size: 0.36rem;
  font-weight: bold;
}

#main .main_banner .banner_center .center_desc {
  height: 0.32rem;
  line-height: 0.32rem;
  font-size: 0.24rem;
  text-align: center;
  margin: 0.2rem 0 0.15rem;
}

#main .main_banner .banner_center .center_download {
  display: block;
  margin: 0 auto;
  width: 1.12rem;
  height: 0.4rem;
  background: url("../imgs/down.png") no-repeat center;
  background-size: 100% 100%;
  cursor: pointer;
}

#main .main_banner .banner_center .center_download:hover {
  opacity: 0.8;
}

#main .main_banner .banner_bottom {
  width: 6.5rem;
  height: 3.8rem;
  margin: 0 auto;
  margin-top: 0.2rem;
}

#main .main_banner .banner_bottom img {
  width: 100%;
  height: 100%;
}

#main .main_section {
  width: 8.5rem;
  margin: 0.6rem auto 0;
  border: 1px solid #FFFFFF;
  background-color: rgba(255, 255, 255, 0.11);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  padding: 0.2rem 0;
}

#main .main_section .title {
  height: 0.48rem;
  line-height: 0.48rem;
  font-size: 0.36rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 0.1rem;
}

#main .main_section .desc {
  height: 0.32rem;
  line-height: 0.32rem;
  font-size: 0.24rem;
  text-align: center;
}

#main .main_section .screenshot {
  width: 6.5rem;
  height: 3.8rem;
  margin: 0 auto;
  margin-top: 0.3rem;
}

#main .main_section .screenshot img {
  width: 100%;
  height: 100%;
}

#main .main_about {
  width: 8.5rem;
  margin: 0.8rem auto;
}

#main .main_about p {
  font-size: 0.16rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 0.14rem;
}

#main .main_about div {
  width: 5rem;
  height: 0.6rem;
  line-height: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 0 0.2rem;
  color: #666;
  font-size: 0.12rem;
}

#main .main_about div a {
  text-decoration: none;
  color: #666;
  cursor: pointer;
}

#main .main_footer {
  margin-top: 0.2rem;
  width: 100%;
  height: 0.3rem;
  line-height: 0.3rem;
  color: #fff;
  background-color: rgba(0, 2, 30, 0.5);
  font-size: 0.09rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#main .main_footer a {
  color: #fff;
}