/* 通用 */
/* 去除高度塌陷、重叠，（BFC） */
.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}
body {
  display: block;
  width: 100%;
  height: 100%;
  font-family: "Microsoft YaHei", "微软雅黑", "Arial", sans-serif;
  overflow-x: hidden;
  background-image: radial-gradient(circle, rgb(56, 15, 25), rgb(34, 10, 34), rgb(14, 34, 56), rgb(13, 53, 54), rgb(7, 20, 32));
  background-size: 500% 500%;
  background-repeat: no-repeat;
  animation: colorShift 30s ease infinite;
}
html::-webkit-scrollbar {
  width: 6px; 
  background: rgb(10, 30, 40);
}
html:hover::-webkit-scrollbar-thumb {
  background: rgba(3, 48, 100, 0.5);
  border-radius: 3px;
}
html::-webkit-scrollbar-thumb:hover {
  background: rgba(39, 129, 231, 0.5); 
}
@keyframes colorShift {
  0% {
    background-position: 50% 0%; 
  }
  20% {
    background-position: 100% 33%; 
  }
  40% {
    background-position: 50% 67%; 
  }
  60% {
    background-position: 100% 100%; 
  }
  100% {
    background-position: 50% 0%; 
  }
}
/* BG */
/* 底层背景样式 */
#bg_all {
  position: relative;
  left: 2.5%;
  width: 95%;
  height: 100%;
  overflow: hidden;
}
.download_main {
  text-align: center;
  height: 230px;
  text-wrap: nowrap;
}
.download_main img {
  position: absolute;
  width: 40px;
  right: 30px;
  top: 30px;
  transition-duration: 0.5s;
  filter: drop-shadow(2px 2px 5px rgb(0, 100, 200));
}
.download_main h1 {
  font-size: 40px;
  font-weight: bold;
  line-height: 45px;
  margin: 40px 0px 30px 0px;
  color: rgb(200, 200, 200);
  text-shadow: rgb(0, 100, 200) 0px 0px 10px;
}
.download_main .download {
  font-size: 20px;
  line-height: 45px;
  margin: 0px 30px;
  color: rgb(255, 255, 255);
  text-decoration: none;
  background-color: rgb(44, 148, 245);
  border-radius: 10px;
  padding: 8px 2%;
  transition-duration: 0.5s;
}
.download_main .download:hover {
  font-size: 21px;
  background-color: rgb(95, 174, 248);
}
.download_main img:hover {
  transform: scale(1.2);
}
.download_main h2 {
  font-size: 18px;
  line-height: 28px;
  color: rgb(200, 200, 200);
}
.download_main h3 {
  font-size: 12px;
  line-height: 14px;
  bottom: 0px;
  color: rgba(200, 200, 200, 0.5);
}
.download_main .uh1 {
  margin-top: 10px;
}
.title {
  display: flex;
  width: 100%;
  margin-top: 15px;
  font-size: 23px;
  line-height: 30px;
  font-weight: bold;
  text-align: center;
  text-wrap: nowrap;
  color: rgb(200, 200, 200);
}
.title .st0 {
  width: 10%;
}
.title .st1 {
  width: 60%;
}
.title .st2 {
  width: 30%;
}
.software {
  display: flex;
  background-color: rgba(0, 100, 200, 0.2);
  border-radius: 10px;
  margin-top: 20px;
  border-top: 2px solid rgba(0, 100, 200, 0.5);
  border-bottom: 2px solid rgba(0, 100, 200, 0.5);
  background: linear-gradient(to right, rgba(0, 100, 200, 0.02), rgba(0, 100, 200, 0.2), rgba(0, 100, 200, 0.02));
}
.item1 {
  margin-top: 5px;
}
.items{
  background-color: rgba(0, 50, 100, 0.2);
  background: linear-gradient(to right, rgba(0, 50, 100, 0.1), rgba(0, 50, 100, 0.2), rgba(0, 50, 100, 0.1));
}
.software_img {
  display: flex;
  width: 10%;
  min-width: 50px;
  overflow: hidden;
  align-items: center;
  justify-content: center;
}
.software_img .img_info {
  width: 70%;
}
.software_img img {
  width: 100%;
  border-radius: 5px;
}
.software_img h1 {
  margin-top: 8px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  color: rgb(141, 19, 19);
  border-radius: 5px;
  text-shadow: rgb(200, 200, 200) 0px 0px 2px;
}
.software_img h1:hover ~ .software_plugins {
  display: block;  
}
.software_img .software_plugins {
  display: none;
  position: absolute;
  columns: 2;
  background-color: rgba(0, 40, 80, 0.8);
  padding: 10px;
  border-radius: 10px;
  color: rgb(200,200,200);
  backdrop-filter: blur(5px);
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
  line-height: 1.3em;
}
.software_img .ver {
  color: rgb(0, 0, 0);
  margin: -5px 0px;
  font-size: 22px;
}
.software_data {
  width: 90%;
  padding: 5px 0px;
}
.software_data a {
  color: rgb(200, 200, 200);
  text-shadow: rgb(0, 0, 0) 0px 0px 10px;
  text-decoration: none;
  text-align: center;
  word-break: break-all;
}
.software_item {
  display: flex;
  font-size: 20px;
  line-height: 30px;
  width: 100%;
}
.software_data .itemc{
  border-radius: 5px;
  background: linear-gradient(to right, rgba(100, 150, 200, 0.02), rgba(100, 150, 200, 0.2), rgba(100, 150, 200, 0.02));
}
.software_item:hover {
  border-radius: 5px;
  background-color: rgb(12, 61, 110);
}
.software_data a:hover {
  color: rgb(0, 119, 255);
}
.software_data .it1 {
  width: 67%;
}
.software_data .it2 {
  width: 33%;
}
.software_data .new {
  color: rgb(200, 10, 10);
}
.others {
  margin: 20px 0px;
}
.others h1 {
  color: rgb(200, 200, 200);
  margin: 20px 0px;
  font-size: 40px;
  font-weight: bold;
}
.others h2 {
  color: rgb(200, 200, 200);
  font-size: 20px;
  line-height: 35px;
  margin-left: 60px;
  border-radius: 5px;
  padding-left: 20px;
  background: linear-gradient(to right, rgba(100, 150, 200, 0.2), rgba(100, 150, 200, 0));
}
.others h2:hover {
  color: rgb(0, 119, 255);
  background-color: rgb(12, 61, 110);
}
.others a {
  text-decoration: none;
}
.aboutus {
  height: 80px;
  text-align: center;
}
.aboutus a {
  font-size: 20px;
  font-weight: bold;
  line-height: 30px;
  color: white;
  text-decoration: none
}
.aboutus a:hover {
  color: rgb(0, 119, 255);
}
.aboutus h1 {
  font-size: 15px;
  font-weight: bold;
  line-height: 28px;
  color: brown;
  text-wrap: nowrap;
}
.aboutus h2 {
  font-size: 15px;
  line-height: 16px;
  color: rgb(80, 70, 70);
}
.aboutus h3 {
  position: absolute;
  display: none;
  left: 50%;
  width: 50%;
  font-size: 15px;
  line-height: 16px;
  text-indent: 2em;
  padding: 10px;
  border-radius: 10px;
  text-shadow: rgb(0, 0, 0) 1px 1px 3px;
  transform: translate(-50%,calc(-100% - 16px));
  color: rgb(200, 200, 200);
  background-color: rgba(80, 70, 70, 0.8);
}
.aboutus .mianze:hover h2{
  color: rgb(200, 200, 200);
}
.aboutus .mianze:hover + h3 {
  display: block;
}
.top-to-bottom {
  display: none;
  position: fixed;
  color: white;
  width: 40px;
  height: 40px;
  z-index: 1000000;
  border-radius: 20px;
  bottom: 40px;
  right: 40px;
  font-size: 30px;
  text-align: center;
  line-height: 40px;
  background-color: rgba(200, 200, 200, 0.2);
}
.top-to-bottom:hover {
  color: rgb(0, 119, 255);
  background-color: rgba(200, 200, 200, 0.5);
}
#copyright_part {
  margin: 10px 0px;
  height: 20px;
  color: rgb(255,255,255);
  text-wrap: nowrap;
}
#copyright_part .copyright {
  position: absolute;
  width: 50%;
  left: 10px;
  overflow: hidden;
}
#copyright_part .beianhao {
  position: absolute;
  width: 50%;
  right: 10px;
  overflow: hidden;
}
@media screen and (max-width: 1199px){
  .download_main img {
    top: 10px;
    right: 10px;
  }
  .download_main .download {
    margin: 0px 10px;
  }
  .title {
    font-size: 18px;
    line-height: 25px;
  }
  .software {
    margin-top: 12px;
    border-top: 1px solid rgba(0, 100, 200, 0.5);
    border-bottom: 1px solid rgba(0, 100, 200, 0.5);
  }
  .item1{
    margin-top: 2px;
  }
  .software_img h1 {
    font-size: 10px;
  }
  .software_img .ver {
    font-size: 15px;
  }
  .software_item {
    font-size: 15px;
    line-height: 20px;
  }
  .others {
    margin: 10px 0px;
  }
  .others h1 {
    margin: 10px 0px;
    font-size: 20px;
    font-weight: bold;
  }
  .others h2 {
    font-size: 15px;
    line-height: 25px;
    margin-left: 20px;
    padding-left: 10px;
  }
  #copyright_part {
    font-size: 10px;
  }
}