* {
  margin: 0;
  border: 0;
  padding: 0;

  -webkit-tap-highlight-color: transparent;
}

:root {
  --fz1: 60px;
  --fz2: 32px;
  --fz-content: 18px;
}

:focus-visible {
  outline: none;
}

html {
  /*scroll-behavior: smooth;*/
}

html, body {
  box-sizing: border-box;
  min-height: 100vh;
}

div, a, nav, .del-header, .del-footer {
  box-sizing: border-box;
}

body {
  line-height: 1;
}

a, a:hover, a:active {
  text-decoration: none;
  color: inherit;
}

img, input[type=checkbox], input[type=radio] {
  vertical-align: bottom;
}

input {
  border-radius: 0;
  background-color: transparent;
}

input:focus {
  outline: none;
}

strong {
  font-weight: 500;
}

p + p {
  margin-top: 1em;
}

.img-bg {
  display: block;
  background-size: cover;
  background-position: center;
}

.vh {
  visibility: hidden;
}

.one-line {
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  white-space: nowrap;
}

.two-line {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  white-space: normal !important;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cup {
  cursor: pointer;
}

.more {
  display: flex;
  align-items: center;
  color: #e2495b;
  font-size: var(--fz-content);
  cursor: pointer;
  font-weight: 500;
  transition: color 0.3s;
}

.more .icon {
  width: 19px;
  margin-right: 15px;
}

#app {
  padding-top: 160px;
}

[v-cloak] {
  /*display: none;*/
  opacity: 1;
}

.del-header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /*padding-left: 110px;*/
  /*padding-right: 100px;*/
  transition: all 0.5s;
  z-index: 10;
}

.del-header .inner {
  margin: 0 auto;
  width: 1520px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.del-header.no-top {
  background: #fff;
  box-shadow: 4px 19px 12px -16px rgba(0, 0, 0, .08);
}

.del-header .logo {
  width: 180px;
  display: block;
  cursor: pointer;
}

.del-header .logo img {
  width: 100%;
}

.del-header nav {
  font-weight: 500;
  display: flex;
}

.del-header nav ul {
  display: flex;
}

.del-header nav li {
  font-size: 18px;
  padding: 0 13px;
  display: flex;
  align-items: center;
  border-radius: 19px;
  color: #000;
  position: relative;
  height: 38px;
  cursor: pointer;
  transition: color 0.3s;
}

.del-header nav li:hover {
  color: #e2495b;
}

.del-header nav li + li {
  margin-left: 26px;
}

.del-header nav li.active::after, .del-header nav li:hover::after {
  content: '';
  position: absolute;
  /*width: 25px;*/
  /*height: 9px;*/
  /*bottom: -9px;*/
  left: 0;
  right: 0;
  margin: auto;
  /*background: url('../images/title-active.png') no-repeat center;*/
  background-size: contain;
  height: 2px;
  background-color: #e2495b;
  bottom: 0;
}

.del-header nav li.contact {
  background-color: #e2495b;
  color: #fff;
}

.del-header nav li.contact:hover::after {
  display: none;
}

.del-header .language-down {
  flex-shrink: 0;
  align-items: center;
  cursor: pointer;
  box-shadow: none;
  outline: none;
  margin-left: 50px;
}

.del-header .language-down .earth {
  display: flex;
  align-items: center;
}

.del-header .language-down .icon {
  width: 30px;
}

.del-header .language-down .lang {
  font-size: 20px;
  color: #555554;
  margin-left: 10px;
}

.del-header .language-down .el-icon {
  color: #555554;
  font-size: 18px;
  font-weight: 900;
}

.language-popper .el-dropdown-menu__item {
  color: #555554;
  --el-dropdown-menuItem-hover-color: #000;
  padding-left: 10px;
  padding-right: 10px;
}

.language-popper .el-dropdown-menu__item a {
  padding: 0 25px;
  font-weight: normal;
}

.language-popper .el-dropdown-menu__item a.active {
  color: #000;
}

.del-header nav .hamburger-menu {
  display: none;
  --burger-color: #fff;
  --burger-notop-color: #000;
}

.del-footer {
  background-color: #222730;
  /*padding: 85px 110px 56px;*/
  padding: 85px 0 56px;
  position: relative;
  z-index: 1;
}

.del-footer .inner {
  width: 1520px;
  margin: 0 auto;
}

.del-footer .link-block {
  display: flex;
  align-items: flex-start;
}

.del-footer .logo-box {
  width: 43%;
}

.del-footer .logo {
  width: 211px;
}

.del-footer .right {
  flex-grow: 1;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  position: relative;
  padding-left: 5%;
}

.del-footer .link-box {
  /*max-width: 760px;*/
}

.del-footer .link-box:nth-child(1) {
  margin-right: 40px;
  width: 30%;
  /* max-width: 400px; */
}

.del-footer .link-box:nth-child(2) {
  width: 60%;
  margin-left: 2%;
}

.del-footer .link-box-title {
  font-size: 20px;
  color: #fff;
}

.del-footer .link-list {
  margin-top: 2em;
  display: flex;
  flex-wrap: wrap;
}

.del-footer .menu {
  width: 50%;
  padding-right: 20px;
  font-size: 16px;
  color: #fff;
  /*line-height: 26px;*/
  line-height: 1.625;
}

.del-footer .menu:nth-child(n + 3) {
  margin-top: 1em;
}

.del-footer .link {
  padding-right: 2.5em;
  position: relative;
  width: 50%;
}

.del-footer .link:nth-child(2n) {
  /*margin-left: 1em;*/
}

.del-footer .link:nth-child(n + 3) {
  margin-top: 40px;
}

.del-footer .link .title {
  font-size: 16px;
  color: #565a61;
  display: none;
}

.del-footer .link .desc {
  color: #fff;
  font-size: 16px;
  line-height: 26px;
  position: static;
  width: 100%;
  word-break: break-word;
  /*overflow: hidden;*/
}

.del-footer .link.iw .desc {
  display: flex;
  padding-left: 3em;
}

.del-footer .link .ex-icon {
  position: relative;
  cursor: pointer;
}

.del-footer .link .ex-icon + .ex-icon {
  margin-left: 1em;
}

.del-footer .link .ex-icon > img {
  width: 30px;
}

.del-footer .ewm {
  position: absolute;
  left: -50px;
  bottom: 150%;
  width: 160px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  display: none;
}

.del-footer .ex-icon:hover .ewm {
  display: block;
}

.del-footer .ewm .img {
  padding: 10px;
  text-align: center;
}

.del-footer .ewm img {
  line-height: 0;
}

.del-footer .ewm p {
  font-size: 14px;
  color: #666;
  margin-top: 2px;
  line-height: 1.4;
}

.del-footer .link:hover .qrcode {
  opacity: 1;
}

.del-footer .back-top {
  flex-shrink: 0;
  margin-left: 10px;
  font-size: 16px;
  color: #565a61;
  line-height: 1.25;
  cursor: pointer;
  position: absolute;
  top: 0;
  left: 100%;
  white-space: nowrap;
}

.del-footer .back-top .icon {
  width: 29px;
  display: block;
  margin-bottom: 20px;
}

.del-footer .copyright-line {
  margin-top: 80px;
  border-top: 2px solid rgba(255, 255, 255, 0.2);
  padding-top: 21px;
  display: flex;
  font-size: 14px;
  color: #fff;
}

.del-footer .beian {
  width: 50%;
  color: #fff;
}

.del-footer .beian a + a {
  margin-left: 15px;
}

.del-footer .copyright {
  width: 50%;
  text-align: right;
}

.font-switch {
  position: fixed;
  right: 20px;
  bottom: 20%;
  background-color: rgba(255, 255, 255, 0.5);
  padding: 10px;
  display: none;
}

.font-switch .font {
  cursor: pointer;
  line-height: 2;
  font-size: 20px;
}

.font-switch .font + .font {
  border-top: 1px solid #333;
}

.font-switch .font.active {
  color: #e2495b;
}

.font-switch .f1 {
  font-family: mont, sans-serif;
}

.font-switch .f2 {
  font-family: muk, sans-serif;
}

.font-switch .f3 {
  font-family: popp, sans-serif;
}

.font-switch .f4 {
  font-family: source, sans-serif;
}

.pathogens {
  background-color: #fafafa;
  padding: 80px 0;
}

.pathogens .inner {
  margin: 0 auto;
  width: 1520px;
  display: flex;
  justify-content: space-between;
}

.pathogens .item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pathogens .item.vh {
  display: none;
}

.pathogens img {
  width: 160px;
  /*display: block;*/
  display: none;
}

.pathogens .num {
  font-size: var(--fz1);
  font-family: mont, sans-serif;
  color: #e2495b;
  font-weight: 400;
}

.pathogens .num sup {
  vertical-align: top;
  font-size: 45px;
}

.pathogens .num sub {
  vertical-align: 0;
  font-size: 35px;
}

.pathogens .text {
  margin-top: 30px;
  font-size: var(--fz-content);
  color: #000;
  line-height: 1.8;
  text-align: center;
}

.cate-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cate-box {
  display: flex;
}

.cate-line .cate {
  font-size: var(--fz2);
  font-weight: 600;
  color: #4c4c4c;
  cursor: pointer;
}

.cate-line .cate + .cate {
  margin-left: 2.5em;
}

.cate-line .cate.active {
  color: #000;
}

.in-width {
  width: 1520px;
  margin: 0 auto;
}

/* 文字前面有个黑竖条 */
.bvb {
  display: flex;
}

.bvb::before {
  content: '';
  flex-shrink: 0;
  width: 0.27em;
  height: 0.78em;
  background-color: #000;
  margin-right: 0.55em;
  margin-top: 0.33em;
  border-radius: 0.27em;
}

.tick-box {
  display: flex;
}

.tick-box .tick {
  border: solid 2px #222730;
  padding: 14px 100px 20px 19px;
  font-size: var(--fz-content);
  line-height: 1.6;
  position: relative;
}

.tick-box .tick::after {
  content: '';
  background: url('../icons/tick-big.png') no-repeat center;
  background-size: cover;
  position: absolute;
  width: 65px;
  aspect-ratio: 84 / 70;
  right: 0;
  bottom: 10px;
  transform: translateX(55%);
}

.tick-box .tick + .tick {
  margin-left: 4em;
}

/* 404 start */
.page-not-found {
  margin: 80px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-not-found .big {
  font-size: 60px;
  font-weight: bold;
}

.page-not-found .t1 {
  margin-top: 15px;
  font-size: 40px;
}

.page-not-found a {
  margin-top: 2em;
  font-size: 1em;
  display: block;
}
/* 404 end */

@media (max-width: 1920px) {
  .del-header {
    height: 126px;
    padding-left: 70px;
    padding-right: 65px;
  }

  .del-header .logo {
    width: 170px;
  }

  .del-header nav li {
    font-size: 18px;
    padding: 0 16px;
    border-radius: 17px;
    height: 34px;
  }

  .del-header nav li + li {
    margin-left: 35px;
  }

  .del-header nav li.active::after {
  }
}

@media (max-width: 1800px) {
  .del-footer .back-top {
    position: static;
  }
}

@media (max-width: 1600px) {
  .del-header {
    height: 110px;
    padding-left: 50px;
    padding-right: 45px;
  }

  .del-header .logo {
    width: 170px;
  }

  .del-header nav li {
    font-size: 15px;
    padding: 0 10px;
    border-radius: 15px;
    height: 30px;
  }

  .del-header nav li + li {
    margin-left: 11px;
  }

  .del-header nav li.active::after {
  }

  .del-footer .logo-box {
    flex-shrink: 0;
    width: auto;
    margin-right: 3%;
  }

  .del-footer .logo {
    width: 13vw;
  }

  .del-footer .inner {
    width: 95%;
  }

  .del-footer .right {
    padding-left: 2em;
  }

  .del-footer .link-box:nth-child(1) {
    max-width: none;
    margin-right: 20px;
  }

  .del-footer .link-box:nth-child(2) {
    width: 55%;
  }

  .del-footer .menu {
    padding-right: 10px;
  }

  .pathogens {
    width: 100%;
    justify-content: space-evenly;
  }

  .pathogens .inner {
    width: 95%;
  }

  .pathogens .item {
    scale: 0.9;
  }

  .in-width {
    width: 95%;
  }
}

@media (max-width: 1200px) {
  :root {
    --burger-width: 40px;

    --fz1: 40px;
    --fz2: 35px;
    --fz-content: 16px;
  }

  html {
  }

  html, body {
  }

  div, a, nav, .del-header, .del-footer {
  }

  body {
  }

  a, a:hover, a:active {
  }

  img, input[type=checkbox], input[type=radio] {
  }

  input {
  }

  input:focus {
  }

  strong {
  }

  p + p {
  }

  .img-bg {
  }

  .vh {
  }

  .one-line {
  }

  .two-line {
  }

  .btn {
  }

  .cup {
  }

  .more {
  }

  .more .icon {
  }

  #app {
  }

  [v-cloak] {
  }

  .del-header {
  }

  .del-header.no-top {
  }

  .del-header .logo {
  }

  .del-header .logo img {
  }

  .del-header nav {
    /*display: none;*/
  }

  .del-header nav ul {
    display: none;
  }

  .del-header nav li {
  }

  .del-header nav li + li {
  }

  .del-header nav li.active::after, .del-header nav li:hover::after {
  }

  .del-header nav li.contact {
  }

  .del-header nav li.contact:hover::after {
  }

  .del-header .language-down {
    display: none;
  }

  .del-header nav .hamburger-menu {
    display: block;
  }

  .draw-menu .close {
    display: flex;
    justify-content: flex-end;
  }

  .draw-menu ul {
    display: block;
    margin-top: 10px;
  }

  .draw-menu li {
    font-size: 20px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 19px;
    color: #000;
    position: relative;
    height: 38px;
    cursor: pointer;
    text-align: right;
  }

  .draw-menu li + li {
    margin-top: 15px;
  }

  .draw-menu li.contact {
    background-color: #e2495b;
    color: #fff;
  }

  .draw-menu .language-box {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .draw-menu .language-box .icon {
    width: 40px;
  }

  .draw-menu .language {
    font-size: 20px;
    margin-left: 15px;
    color: #555554;
  }

  .draw-menu .language.active {
    color: #000;
  }

  .del-footer {
    padding: 40px 30px;
  }

  .del-footer .link-block {
    display: block;
  }

  .del-footer .logo-box {
  }

  .del-footer .logo {
  }

  .del-footer .right {
    flex-grow: 1;
    padding-left: 0;
    margin-top: 4vw;
  }

  .del-footer .link-box {
  }

  .del-footer .link-box:nth-child(1) {
    width: 25%;
    flex-shrink: 0;
    margin-right: 5%;
  }

  .del-footer .link-box:nth-child(2) {

    width: auto;

  }

  .del-footer .menu {

    font-size: 1.6vw;

  }

  .del-footer .menu:nth-child(n + 3) {

    margin-top: 1.7vw;
  }

  .del-footer .link {
  }

  .del-footer .link:nth-child(2n + 1) {
  }

  .del-footer .link:nth-child(2n) {
  }

  .del-footer .link:nth-child(n + 3) {
    margin-top: 2vw;
  }

  .del-footer .link .title {
  }

  .del-footer .link .desc {
    font-size: 1.6vw;
  }

  .del-footer .link .desc .icon {
  }

  .del-footer .link .qrcode {
  }

  .del-footer .link:hover .qrcode {
  }

  .del-footer .back-top {
    font-size: 1.3vw;
  }

  .del-footer .back-top .icon {
    width: 2.7vw;
  }

  .del-footer .copyright-line {
    margin-top: 6vw;
  }

  .del-footer .beian {
  }

  .del-footer .beian a + a {
  }

  .del-footer .copyright {
  }

  .font-switch {
  }

  .font-switch .font {
  }

  .font-switch .font + .font {
  }

  .font-switch .font.active {
  }

  .font-switch .f1 {
  }

  .font-switch .f2 {
  }

  .font-switch .f3 {
  }

  .font-switch .f4 {
  }

  .pathogens {
  }

  .pathogens .item {
  }

  .pathogens img {
  }

  .pathogens .num {
  }

  .pathogens .num sup {
  }

  .pathogens .num sub {
  }

  .pathogens .text {
  }
}

@media (max-width: 768px) {
  :root {
    --burger-width: 10vw;
    --fz1: 8vw;
    --fz2: 5.6vw;
    --fz-content: 3.6vw;
  }

  html {
  }

  html, body {
  }

  div, a, nav, .del-header, .del-footer {
  }

  body {
  }

  a, a:hover, a:active {
  }

  img, input[type=checkbox], input[type=radio] {
  }

  input {
  }

  input:focus {
  }

  strong {
  }

  p + p {
  }

  .img-bg {
  }

  .vh {
  }

  .one-line {
  }

  .two-line {
  }

  .btn {
  }

  .cup {
  }

  .more {
  }

  .more .icon {
  }

  #app {
    padding-top: 27vw;
  }

  [v-cloak] {
  }

  .del-header {
    padding: 0 5vw;
    height: 23vw;
  }

  .del-header.no-top {
  }

  .del-header .logo {
    width: 38vw;
  }

  .del-header .logo img {
  }

  .del-header nav {
  }

  .del-header nav ul {
  }

  .del-header nav li {
  }

  .del-header nav li + li {
  }

  .del-header nav li.active::after, .del-header nav li:hover::after {
  }

  .del-header nav li.contact {
  }

  .del-header nav li.contact:hover::after {
  }

  .draw-menu {
    width: 80% !important;
  }

  .draw-menu .close {
  }

  .draw-menu ul {
  }

  .draw-menu li {
    font-size: 5vw;
  }

  .draw-menu li + li {
    margin-top: 4vw;
  }

  .draw-menu li.contact {
  }

  .draw-menu .language-box {
    margin-top: 5vw;
  }

  .draw-menu .language {

    font-size: 5vw;
  }

  .del-footer {
    padding: 6vw 3vw;
  }

  .del-footer .link-block {
    display: block;
  }

  .del-footer .logo-box {
  }

  .del-footer .logo {
    width: 30vw;
  }

  .del-footer .right {
    width: 100%;
    margin-top: 8vw;
    display: block;
    padding-left: 0;
  }

  .del-footer .link-box {
    max-width: none;
  }

  .del-footer .link-box-title {
    font-size: 5vw;
  }

  .del-footer .link-box:nth-child(1) {
    width: 100%;
    margin-right: 0;
    max-width: none;
  }

  .del-footer .link-box:nth-child(2) {
    margin-top: 10vw;
    width: 100%;
    margin-left: 0;
  }

  .del-footer .link-list {
    width: 100%;
  }

  .del-footer .link {
    padding-right: 2vw;
  }

  .del-footer .menu {
    font-size: 4.2vw;
  }

  .del-footer .link:nth-child(2n + 1) {
  }

  .del-footer .link:nth-child(2n) {
  }

  .del-footer .link:nth-child(n + 3) {
    margin-top: 10vw;
  }

  .del-footer .link .title {
    font-size: 4.2vw;
  }

  .del-footer .link .desc {
    font-size: 3.8vw;
    margin-top: 3vw;
    line-height: 1.5;
  }

  .del-footer .link.iw .desc {
    padding-left: 0;
  }

  .del-footer .link .ex-icon > img {
    width: 6vw;
  }

  .del-footer .link .desc .icon {
    width: 5vw;
  }

  .del-footer .link .qrcode {
    opacity: 1;
    position: relative;
    width: 35vw;
    margin-top: 3vw;
  }

  .del-footer .link:hover .qrcode {
  }

  .del-footer .back-top {
    position: static;
    margin-top: 15vw;
    margin-right: 0;
    font-size: 4.2vw;
    margin-left: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    align-content: flex-end;
    flex-wrap: wrap;
    text-align: right;
  }

  .del-footer .back-top .icon {
    margin-bottom: 3vw;
    width: 5vw;
  }

  .del-footer .copyright-line {
    margin-top: 10vw;
    display: block;
    font-size: 3.2vw;
    line-height: 1.5;
  }

  .del-footer .beian {
    width: 100%;
  }

  .del-footer .beian a + a {
  }

  .del-footer .copyright {
    width: 100%;
    margin-top: 2vw;
    text-align: center;
  }

  .font-switch {
    padding: 2.6vw;
  }

  .font-switch .font {
    font-size: 4vw;
  }

  .font-switch .font + .font {
  }

  .font-switch .font.active {
  }

  .font-switch .f1 {
  }

  .font-switch .f2 {
  }

  .font-switch .f3 {
  }

  .font-switch .f4 {
  }

  .pathogens {
    padding-top: 8vw;
    padding-bottom: 8vw;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .pathogens .inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .pathogens .item {
    width: 50%;
    scale: 1;
    padding: 0 1vw;
  }

  .pathogens .item.vh {
    visibility: hidden;
    display: block;
  }

  .pathogens .item.line {
    width: 100%;
  }

  .pathogens .item:nth-child(n + 3) {
    margin-top: 4vw;
  }

  .pathogens img {
    width: 80%;
  }

  .pathogens .num {
    font-size: 11vw;
    margin-top: 5vw;
  }

  .pathogens .num sup {
    font-size: 8vw;
  }

  .pathogens .num sub {
    font-size: 6vw;
  }

  .pathogens .text {
    margin-top: 5vw;
  }

  .cate-box {
    flex-direction: column;
  }

  .cate-line {

  }

  .cate-line .cate {
    font-size: 7vw;
  }

  .cate-line .cate + .cate {
    margin-left: 0;
    margin-top: 3vw;
  }

  .cate-line .cate.active {
  }

  .in-width {
    width: 90%;
    padding-left: 2.5vw;
  }
}