.main_content {
  background: rgba(246, 248, 251, 1);
  padding: 20px 130px;
  padding: 20px clamp(20px, 130/1440 * 100vw, 130px);
}
.breadcrumb {
  margin-left: 20px;
  height: 40px;
  line-height: 40px;
  font-size: 14px;
}
.breadcrumb a {
  padding: 0 5px;
  color: rgba(153, 153, 153, 1);
  position: relative;
}
.breadcrumb a.breadcrumb_nav::before {
  content: '';
  position: absolute;
  left: -17px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAADUSURBVDiN3VLBDYQwDHPM7QVdplWngE5RhWWAwdreh0qIo8D7/IqS2IqtCBqIMQ4kFwDBOTe19vhEBoB5npeWgJwbqjoBGHPOxnu/1p6I9NZacytwRX6a8bggIv0VGQD2HALJJcY4/Jx95/O8q6plvwhy56+FGnLO2RDAePD4Cl3XjSKykhzonBMAEJH+rUApZUgpBefc9Nkb21Gg2joQtvMz1aAvHwkAUkrBWmustUZE+p/kdzQF3uIPBD4AkHNeSY6qWurAez/VupSykVxUtbZCLb5xyn5nWgoAvQAAAABJRU5ErkJggg==') no-repeat center center;
  background-size: 100% 100%;
}
.breadcrumb span {
  color: rgba(153, 153, 153, 1);
}
.breadcrumb span.breadcrumb_title {
  color: rgba(51, 51, 51, 1);
  padding: 0 5px;
}
.containt_layout {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
}
.containt_layout .containt_layout_left {
  width: calc(100% - 280px);
}
.containt_layout .containt_layout_left .containt_layout_left_content {
  background: #fff;
  padding: 20px 27px;
  border-radius: 8px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 25px;
  border-bottom: 1px solid rgba(153, 153, 153, .5);
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_title_box .content_header_title {
  line-height: 26px;
  font-weight: 500;
  color: #000;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_title_box .content_header_title h3 {
  font-size: 18px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_title_box .content_header_info {
  font-size: 12px;
  color: rgba(153, 153, 153, 1);
  margin-top: 5px;
  margin-left: 20px;
  position: relative;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_title_box .content_header_info::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 11px;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAYAAAB24g05AAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAADSSURBVCiRfZLRccQgDER3mTSBKOagMtuVWVcM0IWVj4BHxzinLxDSzpMW4iFqrTvJF4A8UgoAJI8Yo/paPjRuT6IuVETKvIR5aK2drllJFhGhiJBkmRQAcmvt/CAYiYkLEeEkAoAQgsYYtbVmK8nPKMr+YRU1sxcANbPDUeZa6x7Wmc3sPQtcOvfe/f0Pn9yCmR3rwxDyeY0x6nDGC5SvO+i95+u6ckpp771nMzu9qIiU28ZFRL3nD/beVn78g5Xkv9FSSvs9xlowsf28c7G+ccYv3xN5Ky9D6uoAAAAASUVORK5CYII=') no-repeat center center;
  background-size: 100% 100%;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_download {
  color: rgba(255, 255, 255, 1);
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_download .btn_download {
  font-size: 14px;
  width: 152px;
  height: 37px;
  border-radius: 8px;
  position: relative;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_header .content_header_download .btn_download::before {
  content: '';
  width: 16px;
  height: 16px;
  margin-right: 4px;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAASCAYAAABWzo5XAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAAC9SURBVDiNtVRBDsMgDEumPQxeVvoy+Jl3WKhMSUo7aZZ6IHHsECgi/wSABKBiRgFQvJqXI1JFpNoyq0FEssW2SGwQMaEVr4S8q7Zvm5oIgoIEIAU59BzPaA/Mk30emohsLLRZ8Cn2bnJ0pKqPhbjmHZFs7+m0vjbkoXGhxStdzuJxOODen36angjlCwdG5ZmcgtxscPdWh904Yn5yYTr8tKqauWXeEr8IzO2Yjl9VC42rnkbX5PsitFXXP+MDuC/6SwRrgwYAAAAASUVORK5CYII=') no-repeat center center;
  background-size: 100% 100%;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body {
  padding-top: 20px;
  min-height: 100px;
  position: relative;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_info {
  font-size: 12px;
  color: rgba(102, 102, 102, 1);
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_info ul li {
  margin-bottom: 10px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_info ul li span {
  line-height: 17px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_info ul li span.btn_upgrade {
  color: rgba(16, 113, 255, 1);
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content {
  padding-top: 20px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .content_body_content_title_box {
  position: relative;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .content_body_content_title_box .content_body_content_title {
  width: 87px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 113, 255, 1);
  border-radius: 4px 4px 0 0;
  color: #fff;
  font-size: 14px;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .content_body_content_title_box .content_body_content_title::after {
  content: '';
  width: 100%;
  height: 1px;
  background: rgba(153, 153, 153, 0.5);
  position: absolute;
  left: 0;
  bottom: 0;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .content_body_content_text {
  font-size: 12px;
  color: rgba(102, 102, 102, 1);
  line-height: 18px;
  margin-bottom: 30px;
  padding: 5px 0;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .btn_row {
  display: flex;
  justify-content: center;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .btn_row .btn_showMore {
  padding: 0 27px;
  color: rgba(16, 113, 255, 1);
  font-size: 12px;
  line-height: 24px;
  margin-top: 20px;
  background: #fff;
  border: 1px solid rgba(16, 113, 255, 1);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.containt_layout .containt_layout_left .containt_layout_left_content .content_body .content_body_content .btn_row .btn_showMore::after {
  display: block;
  content: '';
  width: 14px;
  height: 14px;
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAcCAYAAAByDd+UAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAADfSURBVEiJ7dbRDYMgEAbgH9MB2Ki4kXWB0gVsNyojMYHXF2uQHnoUmjTG/01z8AmGC8Deo8IH3ZGRDPIP5XLGhfUzqDsyUHhKQBDa9yS6JwvCVVp/SpS4xHsA0QpHODQACOeozHBjOdD5u2rXQAZffKC+UHKnGunE0kyYAeCgcPspGGKpXaoGSrBqoBSrAuZgxeAW5gdlwzNYBEpXFnelr0Ddk5VgXEq2NBsD0q1tNX5QVlI399ngP1bvNFs5wAP8f5A9h1MnKc/ntYMFDYi/j9TI8ppYa2VhRri4ge87L+yNZ7rt8yaBAAAAAElFTkSuQmCC) 0 0 no-repeat;
  background-size: 100% 100%;
  margin-left: 4px;
}

.containt_layout .containt_layout_left .containt_layout_left_nav {
  margin-top: 7px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l, 
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r {
  background: #fff;
  width: calc(50% - 5px);
  height: 70px;
  border-radius: 8px;
  padding: 15px 25px;
  box-sizing: border-box;
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l .containt_layout_left_nav_t,
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r .containt_layout_left_nav_t {
  color: rgba(153, 153, 153, 1);
  margin-bottom: 5px;
  position: relative;
  margin-left: 21px;
  height: 18px;
  line-height: 18px;
  font-size: 12px;
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l .containt_layout_left_nav_l_t::before, 
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r .containt_layout_left_nav_r_t::before {
  content: '';
  width: 14px;
  height: 10px;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAKCAYAAACE2W/HAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAAChSURBVCiRlZDBDcMgDEX9PUv3CFkGxBTNFhaIXSCL4Z4cOVSpVN+M/vOzAS1VSjnmnCPnPJ56IiL2UK21ExH5EIBtgd5zznGDbJqFbJD1pRQVkXAZa61dVc+U0uHXiTHui2k3+5dJRII3iUjwJitW1RPA5h9VNVgw5zwADGa+gfCfYKuJSGDm7ldbz4E//h8YXv8Ep5SunMG0Vmvt9au3tw+GrJ8pGiQUvgAAAABJRU5ErkJggg==') no-repeat center center;
  background-size: 100% 100%;
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r .containt_layout_left_nav_r_t::before {
  transform: rotate(180deg) translateY(50%);
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l a,
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r a {
  display: block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  line-height: 18px;
  margin-bottom: 5px;
  color: rgba(51, 51, 51, 1);
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l .containt_layout_left_nav_l_t::before, 
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r .containt_layout_left_nav_r_t::before {
  content: '';
  width: 14px;
  height: 10px;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAKCAYAAACE2W/HAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAAChSURBVCiRlZDBDcMgDEX9PUv3CFkGxBTNFhaIXSCL4Z4cOVSpVN+M/vOzAS1VSjnmnCPnPJ56IiL2UK21ExH5EIBtgd5zznGDbJqFbJD1pRQVkXAZa61dVc+U0uHXiTHui2k3+5dJRII3iUjwJitW1RPA5h9VNVgw5zwADGa+gfCfYKuJSGDm7ldbz4E//h8YXv8Ep5SunMG0Vmvt9au3tw+GrJ8pGiQUvgAAAABJRU5ErkJggg==') no-repeat center center;
  background-size: 100% 100%;
  position: absolute;
  left: -20px;
}
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_l a:hover,
.containt_layout .containt_layout_left .containt_layout_left_nav .containt_layout_left_nav_r a:hover {
  font-weight: 500;
}

.containt_layout .containt_layout_left .containt_layout_left_recommend {
  width: 100%;
  background: #fff;
  box-sizing: border-box;
  padding: 15px 25px;
  border-radius: 8px;
  margin-top: 10px;
}
.recommend_head {
  position: relative;
}
.recommend_head .recommend_title {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  color: #000;
}
.recommend_head .recommend_title ::before {
  content: '';
  width: 3px;
  height: 16px;
  background: rgba(68, 88, 244, 1);
  position: absolute;
  left: -9px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 5px;
}
.recommend_main {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
}
.recommend_main_item {
  width: calc(50% - 8px);
  border: 1px solid rgba(224, 224, 224, 1);
  border-radius: 8px;
  padding: 15px 10px;
  box-sizing: border-box;
  cursor: pointer;
}
.recommend_main_item_classify {
  font-size: 12px;
  line-height: 20px;
  color: rgba(153, 153, 153, 1);
}
.recommend_main_item_title {
  font-size: 14px;
  line-height: 20px;
  color: rgba(51, 51, 51, 1);
  margin-top: 5px;
  margin-bottom: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recommend_main_item_cont {
  font-size: 12px;
  line-height: 15px;
  color: rgba(153, 153, 153, 1);
  margin-top: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.containt_layout .containt_layout_right {
  width: 265px;
}
.aside_ad {
  margin-bottom: 10px;
}
.aside_ad .ad_img {
  width: 100%;
  height: 100%;
}
.aside_box {
  width: 100%;
  background: #fff;
  box-sizing: border-box;
  padding: 15px 25px;
  border-radius: 8px;
  margin-bottom: 10px;
}
.aside_box_head {
  position: relative;
}
.aside_box_head  .aside_box_title {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  color: #000;
}
.aside_box_head  .aside_box_title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: rgba(68, 88, 244, 1);
  position: absolute;
  left: -9px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 5px;
}
.related-articles_list {
  margin-top: 10px;
}
.related-articles_list li {
  margin-bottom: 10px;
}
.related-articles_list li .related-articles_list_item {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.related-articles_list li .related-articles_list_item a {
  font-size: 12px;
  line-height: 18px;
  color: rgba(16, 113, 255, 1);
  box-sizing: border-box;
  height: 18px;
  
}
.related-articles_list li .related-articles_list_item a:hover {
  border-bottom: 1px solid rgba(16, 113, 255, 1);
}
.related-tags_list {
  display: flex;
  flex-wrap: wrap;
  margin-top: 10px;
}
.related-tags_list li {
  margin-bottom: 10px;
  padding: 0 15px;
  background: rgba(246, 248, 251, 1);
  border-radius: 10px;
  margin-right: 5px;
}
.related-tags_list li a {
  font-size: 12px;
  line-height: 18px;
  color: rgba(51, 51, 51, 1);
  display: block;
  box-sizing: border-box;
}

.tag_detail {
  padding: 20px 25px;
  background: #fff;
  border-radius: 8px;
}
.tag_detail h3 {
  margin: 0;
  font-size: 18px;
  line-height: 26px;
  margin-bottom: 5px;
}
.tag_detail p {
  margin: 0;
  font-size: 12px;
  line-height: 18px;
  color: rgba(153, 153, 153, 1);
}
.file_download_wrapper {
  width: 100%;
  background: #fff;
  box-sizing: border-box;
  padding: 15px 37px 15px 37px;
  border-radius: 8px;
  margin-top: 10px;
}
.file_download_wrapper .file_download_header {
  position: relative;
}
.file_download_wrapper .file_download_header .file_download_title {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  color: #000;
}
.file_download_wrapper .file_download_header .file_download_title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: rgba(68, 88, 244, 1);
  position: absolute;
  left: -9px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 5px;
}
.file_download_wrapper .file_download_list {
  width: 100%;
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.file_download_wrapper .file_download_list li {
  margin-bottom: 10px;
  width: calc((100% - 30px) / 4);
  min-width: 100px;
  background: rgba(246, 248, 251, 1);
  border-radius: 8px;
  padding: 44px 10px 20px;
  box-sizing: border-box;
}
.file_download_wrapper .file_download_list li .file_download_item {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_title {
  margin: 20px 0 10px;
  font-size: 14px;
  color: rgba(51, 51, 51, 1);
  line-height: 20px;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_info {
  font-size: 10px;
  color: rgba(153, 153, 153, 1);
  line-height: 15px;
  margin-bottom: 25px;
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_btn_wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_btn_wrapper::before {
  content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAALCAYAAACprHcmAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAABzSURBVBiVtY87DoAwDEMd1IOVBS4EMzC3F6IdyskwAx+VNmLjLZFjR3IABR+YXKQt940WBlAFv8IqP4bdyvkWLtLmj+WeD0yNCKbndIcVnvqeGfZVY+xlzs1C152HTloAGwVt6RntkeugwpBYfCA1s2A7APrAJalesPeWAAAAAElFTkSuQmCC') no-repeat center center;
    background-size: 100% 100%;
    margin-right: 5px;
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_btn_wrapper:hover::before {
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAALCAYAAACprHcmAAAAAXNSR0IArs4c6QAAAARzQklUCAgICHwIZIgAAABwSURBVBiVtY/REYAgDENTjgE6EmwkLqAuoCPBSG4QP8Q7hJ5/vr806TUFDDQx68TQz50VBjAEv8ImP4Z15voInRjax15eYnYgluZOgFQtzfwmvGqcu6yt2emx83lIBFBAxN7z1iN1YcBDsGkiLbOjXOiFHpd23bqPAAAAAElFTkSuQmCC') no-repeat center center;
  background-size: 100% 100%;
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_btn_wrapper:hover .file_download_item_btn {
  color: rgba(16, 113, 255, 1);
}
.file_download_wrapper .file_download_list li .file_download_item .file_download_item_btn_wrapper .file_download_item_btn {
  font-size: 12px;
  color: rgba(140, 186, 255, 1);
  line-height: 18px;
}