html {
  font-size: 15.55555556px;
}
/* 280→320 */
@media (min-width: 280px) and (max-width: 319.98px) {
  html {
    font-size: clamp(15.55555556px, calc(100vw / 18), 17.77777778px);
  }
}
/* 320→340 */
@media (min-width: 320px) and (max-width: 339.98px) {
  html {
    font-size: clamp(17.77777778px, calc(100vw / 18), 18.88888889px);
  }
}
/* 340→360 */
@media (min-width: 340px) and (max-width: 359.98px) {
  html {
    font-size: clamp(18.88888889px, calc(100vw / 18), 20px);
  }
}
/* 360→375 */
@media (min-width: 360px) and (max-width: 374.98px) {
  html {
    font-size: clamp(20px, calc(100vw / 18), 20.83333333px);
  }
}
/* 375→390 */
@media (min-width: 375px) and (max-width: 389.98px) {
  html {
    font-size: clamp(20.83333333px, calc(100vw / 18), 21.66666667px);
  }
}
/* 390→420 */
@media (min-width: 390px) and (max-width: 419.98px) {
  html {
    font-size: clamp(21.66666667px, calc(100vw / 18), 23.33333333px);
  }
}
/* 420→450 */
@media (min-width: 420px) and (max-width: 449.98px) {
  html {
    font-size: clamp(23.33333333px, calc(100vw / 18), 25px);
  }
}
/* 450→480 */
@media (min-width: 450px) and (max-width: 479.98px) {
  html {
    font-size: clamp(25px, calc(100vw / 18), 26.66666667px);
  }
}
/* 480→520 */
@media (min-width: 480px) and (max-width: 519.98px) {
  html {
    font-size: clamp(26.66666667px, calc(100vw / 18), 28.88888889px);
  }
}
/* 520→580 */
@media (min-width: 520px) and (max-width: 579.98px) {
  html {
    font-size: clamp(28.88888889px, calc(100vw / 18), 32.22222222px);
  }
}
/* 580→620 */
@media (min-width: 580px) and (max-width: 619.98px) {
  html {
    font-size: clamp(32.22222222px, calc(100vw / 18), 34.44444444px);
  }
}
/* 620→680 */
@media (min-width: 620px) and (max-width: 679.98px) {
  html {
    font-size: clamp(34.44444444px, calc(100vw / 18), 37.77777778px);
  }
}
/* 680→720 */
@media (min-width: 680px) and (max-width: 719.98px) {
  html {
    font-size: clamp(37.77777778px, calc(100vw / 18), 40px);
  }
}
/* 720→750 */
@media (min-width: 720px) and (max-width: 749.98px) {
  html {
    font-size: clamp(40px, calc(100vw / 18), 41.66666667px);
  }
}
/* 750→768（把最后一段补齐到小屏上界） */
@media (min-width: 750px) and (max-width: 767.98px) {
  html {
    font-size: clamp(41.66666667px, calc(100vw / 18), 42.66666667px);
  }
}
/* ===== ≥768 的区间===== */
@media (min-width: 768px) and (max-width: 1023.98px) {
  html {
    font-size: clamp(36.57142857px, calc(100vw / 21), 48.76190476px);
  }
}
@media (min-width: 1024px) and (max-width: 1439.98px) {
  html {
    font-size: clamp(44.52173913px, calc(100vw / 23), 62.60869565px);
  }
}
@media (min-width: 1440px) and (max-width: 1919.98px) {
  html {
    font-size: clamp(55.38461538px, calc(100vw / 26), 73.84615385px);
  }
}
@media (min-width: 1920px) and (max-width: 2559.98px) {
  html {
    font-size: clamp(64px, calc(100vw / 30), 85.33333333px);
  }
}
/* 2560→3680 */
@media (min-width: 2560px) and (max-width: 3679.98px) {
  html {
    font-size: clamp(85.33333333px, calc(100vw / 40), 102.22222222px);
  }
}
/* 3680→4000 */
@media (min-width: 3680px) and (max-width: 3999.98px) {
  html {
    font-size: clamp(102.22222222px, calc(100vw / 40), 100px);
  }
}
/* ≥4000：锁顶 */
@media (min-width: 4000px) {
  html {
    font-size: 100px;
  }
}
/* Join Us */
.joinus {
  width: 100%;
  height: 100%;
  background-color: #413832;
  padding: 1.5% 5%;
}
.joinus .zuoyouzhuanshi {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.joinus .zuoyouzhuanshi .lefty {
  width: 54%;
}
.joinus .zuoyouzhuanshi .lefty h3 {
  font-weight: normal;
  font-size: 0.4rem;
  color: #fff;
  margin-bottom: 0.2rem;
}
.joinus .zuoyouzhuanshi .lefty .content {
  font-weight: normal;
  font-size: 0.4rem;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif !important;
}
.joinus .zuoyouzhuanshi .lefty .content * {
  font-weight: normal;
  font-size: 0.4rem;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif !important;
}
.joinus .zuoyouzhuanshi .righty a {
  width: 2.4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.06666667rem;
  padding: 0.09333333rem 0.2rem;
  border: 0.02666667rem solid #fff;
  border-radius: 0.2rem;
  transition: all 0.5s;
}
.joinus .zuoyouzhuanshi .righty a p {
  font-size: 0.24rem;
  color: #fff;
}
.joinus .zuoyouzhuanshi .righty a i {
  display: block;
  margin-left: 0.13333333rem;
  padding-top: 0.01333333rem;
}
.joinus .zuoyouzhuanshi .righty a i .icon {
  display: block;
  width: 0.26666667rem;
  height: 0.37333333rem;
  fill: #fff;
}
.joinus .zuoyouzhuanshi .righty a:hover {
  gap: 0.16rem;
  background-color: #fff;
}
.joinus .zuoyouzhuanshi .righty a:hover p {
  color: #000;
}
.joinus .zuoyouzhuanshi .righty a:hover i .icon {
  fill: #000;
}
/* footer */
.footer {
  width: 100%;
  height: 100%;
  background-color: #f9f6f1;
  padding: 5%;
}
.footer .zuoyouhuafen {
  display: flex;
  justify-content: space-between;
  position: relative;
}
.footer .zuoyouhuafen .leftscs {
  width: 17%;
}
.footer .zuoyouhuafen .leftscs .bottlogo {
  width: 2.81333333rem;
  height: 0.69333333rem;
  margin-bottom: 0.8rem;
}
.footer .zuoyouhuafen .leftscs .bottlogo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.footer .zuoyouhuafen .leftscs .meitiurl {
  display: flex;
  justify-content: space-between;
  width: 2.81333333rem;
}
.footer .zuoyouhuafen .leftscs .meitiurl a {
  display: block;
  width: 0.46666667rem;
  height: 0.46666667rem;
}
.footer .zuoyouhuafen .leftscs .meitiurl a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.footer .zuoyouhuafen .leftscs .meitiurl a:hover {
  animation: beatingHeart 1.2s infinite;
}
@keyframes beatingHeart {
  0% {
    transform: scale(1);
  }
  15% {
    transform: scale(0.9);
  }
  30% {
    transform: scale(1);
  }
  45% {
    transform: scale(0.9);
  }
  60% {
    transform: scale(1);
  }
}
.footer .zuoyouhuafen .contecnsijinm {
  width: 26%;
  position: absolute;
  left: 19%;
}
.footer .zuoyouhuafen .contecnsijinm h3 {
  font-size: 0.29333333rem;
  color: #000;
  margin-bottom: 0.2rem;
}
.footer .zuoyouhuafen .contecnsijinm .contentdfsoim {
  font-size: 0.21333333rem;
  color: #000;
  font-family: Arial, Helvetica, sans-serif !important;
  font-weight: 100 !important;
}
.footer .zuoyouhuafen .contecnsijinm .contentdfsoim * {
  font-size: 0.21333333rem;
  color: #000;
  font-family: Arial, Helvetica, sans-serif !important;
  font-weight: 100 !important;
}
.footer .zuoyouhuafen .rightiuehnun {
  width: 53%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  right: 0;
  top: 0;
}
.footer .zuoyouhuafen .rightiuehnun .lisjci a {
  font-size: 0.29333333rem;
  color: #000;
  margin-bottom: 0.2rem;
}
/* copyright */
.copyright {
  background-color: #413832;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  padding: 0.13333333rem 0;
}
.copyright p {
  font-size: 0.18666667rem;
  color: #fff;
}
@media (max-width: 768px) {
  html {
    font-size: 90px;
  }
  /* Join Us */
  .joinus {
    width: 100%;
    height: 100%;
    background-color: #413832;
    padding: 5%;
  }
  .joinus .zuoyouzhuanshi {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
  }
  .joinus .zuoyouzhuanshi .lefty {
    width: 100%;
  }
  .joinus .zuoyouzhuanshi .lefty h3 {
    font-weight: normal;
    font-size: 0.18666667rem;
    color: #fff;
    margin-bottom: 0.13333333rem;
  }
  .joinus .zuoyouzhuanshi .lefty .content {
    font-weight: normal;
    font-size: 0.18666667rem;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif !important;
  }
  .joinus .zuoyouzhuanshi .lefty .content * {
    font-weight: normal;
    font-size: 0.18666667rem;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif !important;
  }
  .joinus .zuoyouzhuanshi .righty {
    width: 100%;
    margin-top: 0.26666667rem;
  }
  .joinus .zuoyouzhuanshi .righty a {
    width: 1.33333333rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.06666667rem;
    padding: 0.04rem 0.01333333rem;
    border: 0.01333333rem solid #fff;
    border-radius: 0.06666667rem;
    transition: all 0.5s;
  }
  .joinus .zuoyouzhuanshi .righty a p {
    font-size: 0.13333333rem;
    color: #fff;
  }
  .joinus .zuoyouzhuanshi .righty a i {
    display: block;
    margin-left: 0.13333333rem;
    padding-top: 0.01333333rem;
  }
  .joinus .zuoyouzhuanshi .righty a i .icon {
    display: block;
    width: 0.2rem;
    height: 0.24rem;
    fill: #fff;
  }
  .joinus .zuoyouzhuanshi .righty a:hover {
    gap: 0.16rem;
    background-color: #fff;
  }
  .joinus .zuoyouzhuanshi .righty a:hover p {
    color: #000;
  }
  .joinus .zuoyouzhuanshi .righty a:hover i .icon {
    fill: #000;
  }
  /* footer */
  .footer {
    width: 100%;
    height: 100%;
    background-color: #f9f6f1;
    padding: 12% 5%;
  }
  .footer .zuoyouhuafen {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    position: relative;
  }
  .footer .zuoyouhuafen .leftscs {
    width: 100%;
  }
  .footer .zuoyouhuafen .leftscs .bottlogo {
    width: 1.48rem;
    height: 0.42666667rem;
    margin-bottom: 0.26666667rem;
  }
  .footer .zuoyouhuafen .leftscs .bottlogo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .footer .zuoyouhuafen .leftscs .meitiurl {
    display: flex;
    justify-content: space-between;
    width: 50%;
  }
  .footer .zuoyouhuafen .leftscs .meitiurl a {
    display: block;
    width: 0.26666667rem;
    height: 0.26666667rem;
  }
  .footer .zuoyouhuafen .leftscs .meitiurl a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .footer .zuoyouhuafen .leftscs .meitiurl a:hover {
    animation: beatingHeart 1.2s infinite;
  }
  @keyframes beatingHeart {
    0% {
      transform: scale(1);
    }
    15% {
      transform: scale(0.9);
    }
    30% {
      transform: scale(1);
    }
    45% {
      transform: scale(0.9);
    }
    60% {
      transform: scale(1);
    }
  }
  .footer .zuoyouhuafen .contecnsijinm {
    width: 100%;
    position: initial;
    margin-top: 0.26666667rem;
    margin-bottom: 0.26666667rem;
  }
  .footer .zuoyouhuafen .contecnsijinm h3 {
    font-size: 0.18666667rem;
    color: #000;
    margin-bottom: 0.13333333rem;
  }
  .footer .zuoyouhuafen .contecnsijinm .contentdfsoim {
    font-size: 0.14666667rem;
    color: #000;
    font-family: Arial, Helvetica, sans-serif !important;
    font-weight: 100 !important;
  }
  .footer .zuoyouhuafen .contecnsijinm .contentdfsoim * {
    font-size: 0.14666667rem;
    color: #000;
    font-family: Arial, Helvetica, sans-serif !important;
    font-weight: 100 !important;
  }
  .footer .zuoyouhuafen .rightiuehnun {
    width: 100%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: left;
    position: initial;
    right: 0;
    top: 0;
    gap: 0.26666667rem;
  }
  .footer .zuoyouhuafen .rightiuehnun .lisjci {
    line-height: 0.02666667rem;
  }
  .footer .zuoyouhuafen .rightiuehnun .lisjci a {
    display: block;
    font-size: 0.16rem;
    color: #000;
    margin-bottom: 0;
  }
  /* copyright */
  .copyright {
    background-color: #413832;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    padding: 0.13333333rem 0;
  }
  .copyright p {
    font-size: 0.10666667rem;
    color: #fff;
  }
}