@font-face {
  font-family: "DIN Alternate Bold";
  src: url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.eot");
  src: url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.eot") format("embedded-opentype"), url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.woff2") format("woff2"), url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.woff") format("woff"), url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.ttf") format("truetype"), url("https://www.daetool.com/static/web/dist/font/din_alternate_bold-webfont.svg") format("svg");
}
.daetool-header-box {
  position: fixed;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  z-index: 2025;
  width: 100%;
  height: 64px;
  background: #000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}
.daetool-header-box.hide {
  display: none;
}
.daetool-header-box .daetool-header-content {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 1200px;
  margin: 0 auto;
  height: 64px;
  position: relative;
  z-index: 3;
}
.daetool-header-box .daetool-header-content .daetool-header-left a {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-header-box .daetool-header-content .daetool-header-left a img {
  width: 138px;
  height: 34px;
}
.daetool-header-box .daetool-header-content .daetool-header-right {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 40px;
}
.daetool-header-box .daetool-header-content .daetool-header-right > a.daetool-header-right-store {
  position: relative;
  width: 76px;
  height: 34px;
  background: linear-gradient(193.7deg, rgba(254, 52, 110, 0.0001) 21.43%, #fe346e 109.98%), linear-gradient(230.42deg, #ff8d43 -18.88%, #ff771d 38.16%, #ff7519 86.42%, #ff7317 92.61%);
  border-radius: 6px;
}
.daetool-header-box .daetool-header-content .daetool-header-right > a.daetool-header-right-store span {
  position: absolute;
  left: 20.5px;
  top: 4.5px;
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 700;
  font-size: 15px;
  color: #ffffff;
  letter-spacing: 3.5px;
  line-height: normal;
}
.daetool-header-box .daetool-header-content .daetool-header-right > a.daetool-header-right-item {
  color: #FFF;
  text-align: right;
  font-family: "Microsoft YaHei";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-status-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-status-icon:hover {
  background: rgba(255, 255, 255, 0.1);
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-status-icon img.daetool-header-right-is-login-avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-status-icon.checked-islogin {
  margin-left: 16px;
  margin-right: 25px;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-no-login {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 76px;
  height: 34px;
  line-height: 32px;
  border-radius: 8px;
  background: linear-gradient(101deg, #FFA369 0%, #FF7A28 101.34%);
  box-sizing: border-box;
  color: #FFF;
  text-align: center;
  font-family: "Microsoft YaHei";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-no-login:hover {
  background: #FF741D;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-login {
  cursor: pointer;
  margin-left: 20px;
  position: relative;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-login > img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-login-content {
  position: absolute;
  top: 41px;
  left: -20px;
  display: none;
  flex-direction: column;
  width: 112px;
  box-sizing: border-box;
  padding: 16px 23px;
  gap: 23px;
  border-radius: 12px;
  border: 1px solid #EFEFEF;
  background: #FFF;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-login-content > a {
  color: #21252A;
  font-family: "Microsoft YaHei";
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.daetool-header-box .daetool-header-content .daetool-header-right .daetool-header-right-login-content.active {
  display: flex;
}

.daetool-secondary-header-box {
  position: fixed;
  left: 0;
  top: 64px;
  width: 100%;
  z-index: 2021;
}
.daetool-secondary-header-box.active {
  top: 0;
  display: block !important;
}
.daetool-secondary-header-box .daetool-secondary-header-content {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 1200px;
  margin: 0 auto;
  height: 58px;
  padding: 0 16px;
  box-sizing: border-box;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-gname {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-gname img {
  width: 36px;
  height: 36px;
  margin-right: 10px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-gname h1 {
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 1px;
  color: #ffffff;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 24px;
  margin-left: 24px;
  margin-right: 40px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a {
  position: relative;
  display: inline-block;
  height: 52px;
  line-height: 52px;
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 700;
  font-size: 16px;
  text-align: center;
  letter-spacing: 1px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a.hide {
  display: none;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a::after {
  position: absolute;
  bottom: 5px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  content: "";
  display: none;
  width: 24px;
  height: 2px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a.active::after {
  display: block;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a:first-child {
  margin-right: 48px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-tabs {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-right: 36px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-tabs a {
  color: #375FDF;
  text-align: center;
  font-family: "Microsoft YaHei";
  font-size: 15px;
  font-style: normal;
  font-weight: 400;
  line-height: 100%;
  /* 13px */
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-tabs a.active {
  position: relative;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-tabs a.active::after {
  position: absolute;
  bottom: -12px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  content: "";
  border-radius: 34px;
  background: linear-gradient(90deg, #7695F7 0%, #375FDF 100%);
  width: 20px;
  height: 2px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 36px;
  gap: 5px;
  border-radius: 6px;
  margin-left: 14px;
  cursor: pointer;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn:first-child {
  margin-left: 0;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn:hover .daetool-secondary-download-innner-btn {
  display: block;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn:hover .daetool-secondary-header-right-qrcode-box {
  display: block;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn > span {
  color: #FFF;
  text-align: center;
  font-family: "Microsoft YaHei";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 100%;
  /* 14px */
  letter-spacing: -0.5px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-download-innner-btn {
  position: absolute;
  top: 34px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  display: none;
  width: max-content;
  background: #ffffff;
  border-radius: 8px;
  padding: 4px 0;
  box-sizing: border-box;
  overflow: hidden;
  filter: drop-shadow(0px 0px 12px rgba(0, 0, 0, 0.2));
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-download-innner-btn a {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  height: 36px;
  padding: 5px 10px;
  box-sizing: border-box;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-download-innner-btn a:hover {
  background: #eeeeee;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-download-innner-btn a span {
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: -0.5px;
  color: #000000;
  margin-left: 6px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-header-right-qrcode-box {
  position: absolute;
  left: 50%;
  top: 34px;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  z-index: 2022;
  background: #ffffff;
  box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 11px;
  box-sizing: border-box;
  text-align: center;
  display: none;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn .daetool-secondary-header-right-qrcode-box p {
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: -0.5px;
  color: #000000;
  margin-top: 3px;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy {
  display: inline-block;
  width: 76px;
  height: 32px;
  line-height: 27px;
  border-radius: 6px;
  text-align: center;
  margin-left: 30px;
  box-sizing: border-box;
}
.daetool-secondary-header-box .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy span {
  font-family: "Microsoft YaHei";
  font-style: normal;
  font-weight: 700;
  font-size: 15px;
  line-height: 17px;
}
.daetool-secondary-header-box.black-theme {
  background: #000000;
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-gname h1 {
  color: #ffffff;
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab::before {
  background: rgba(255, 255, 255, 0.3);
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a {
  color: rgba(255, 255, 255, 0.7);
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a.active {
  color: #ffffff;
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a.active::after {
  background: #ffffff;
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a:hover {
  color: #ffffff;
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download a {
  background: linear-gradient(115.32deg, #0bb2c3 27.58%, #01d8ca 114.41%, #00ddcb 172.2%);
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy {
  background: linear-gradient(138.19deg, rgba(11, 178, 195, 0.2) 7.65%, rgba(1, 216, 202, 0.2) 65.42%, rgba(0, 221, 203, 0.2) 103.87%);
  border: 1px solid rgb(25, 212, 231);
}
.daetool-secondary-header-box.black-theme .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy span {
  background: linear-gradient(137.89deg, #19d4e7 35.82%, #01d8ca 76.66%, #00ddcb 103.85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}
.daetool-secondary-header-box.white-theme {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-gname h1 {
  color: #000000;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab::before {
  background: rgba(0, 0, 0, 0.1);
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a {
  color: #000000;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-left .daetool-secondary-header-left-tab a.active::after {
  background: #000000;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn {
  border-radius: 34px;
  background: linear-gradient(90deg, #7695F7 0%, #375FDF 100%);
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn > img {
  width: 14px;
  height: 14px;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-right .daetool-secondary-header-right-download .daetool-secondary-download-outer-btn:hover {
  border-radius: 34px;
  background: #375FDF;
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy {
  background: rgba(240, 239, 255, 0.9);
  border: 1px solid rgb(99, 94, 255);
}
.daetool-secondary-header-box.white-theme .daetool-secondary-header-content .daetool-secondary-header-right > a.daetool-secondary-header-right-buy span {
  background: linear-gradient(137.89deg, #635eff 35.82%, #635eff 76.66%, #635eff 103.85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.daetool-header-center-category {
  display: flex;
  position: absolute;
  top: 64px;
  box-sizing: border-box;
  width: 100%;
  max-height: 0px;
  background: #FFF;
  z-index: 2025;
  transition: all 0.4s ease-in-out;
  overflow: hidden;
  z-index: 2;
}
.daetool-header-center-category.show {
  padding: 32px 0 40px 0;
  max-height: 500px;
}
.daetool-header-center-category-content {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  width: 1200px;
  margin: 0 auto;
}
.daetool-header-center-category-item {
  display: flex;
  align-items: center;
  gap: 16px;
  box-sizing: border-box;
  width: 386px;
  height: 88px;
  padding: 20px;
  flex-shrink: 0;
  border: 1px solid transparent;
}
.daetool-header-center-category-item:hover {
  border-radius: 4px;
  border: 1px solid #D8E1FF;
  background: #EDF1FF;
}
.daetool-header-center-category-item img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  aspect-ratio: 1/1;
}
.daetool-header-center-category-item .product-info {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.daetool-header-center-category-item .product-info h3 {
  color: #000;
  font-family: "Microsoft YaHei";
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.daetool-header-center-category-item .product-info p {
  width: 269px;
  color: #999;
  font-family: "Microsoft YaHei";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.black-overlay {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
  overflow: hidden;
}
.black-overlay.show {
  display: block;
}