* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}
.container {
  background-size: auto 100%;
  max-width: 480px;
  margin: auto;
  height: auto;
  min-height: 100%;
  background-color: rgb(0, 0, 0);
}
.header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1rem .5rem;
}
.header img {
  height: 2.7rem;
}
.contact-container {
  display: flex;
  flex-direction: row;
  align-items: center;
}
.contact-container a {
  color: #ffffff;
}
.contact-item {
  margin-left: 1rem;
  font-size: 1rem;
}
.line {
  text-align: center;
}
.line img {
  width: 90%;
}
.title-area {
  text-align: center;
}
.txt-img img {
  width: 82%;
  padding-top: 2rem;
}
.btn-img img {
  width: 38%;
  padding-top: 1.8rem;
}
.desc-img img {
  width: 35%;
  padding-top: 1rem;
  padding-bottom: 3rem;
}
.slider {
  max-width: 480px;
  width: 100%;
}
.swiper {
  max-width: 480px;
  width: 100%;
}
.swiper-slide img {
  width: 100%;
}
.swiper-pagination {
  position: unset !important;
  margin-top: 1rem;
}
.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.24) !important;
  opacity: unset !important;
  width: 10px !important;
  height: 10px !important;
}
.swiper-pagination-bullet-active {
  background: #ffffff !important;
}
.set-up-tip {
  text-align: center;
}
.set-up-tip img {
  height: 1.1rem;
  margin-top: .7rem;
}
.mask {
  z-index: 99;
  background-color: rgba(0, 0, 0, 0.64);
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  max-width: 480px;
  top: 0;
}
.address {
  width: 85%;
  height: auto;
  background-color: rgb(243 243 243);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 15px;

}

.addresstitle {
  text-align: center;
}

.addresstitle img {
  height: 4.3rem;
  padding: 1.5rem;
}

.address-item {
  text-align: center;
}

.address-item img {
  width: 95%;
  padding: .35rem;
}

#platformimg , #platform {
  position: relative;
  width: 92%;
  height: 100%;
  margin: auto;
}

#platform {
  padding-top: 1rem;
}
.download-bg {
  z-index: 99;
  max-width: 480px;
  position: absolute;
  top: 0;
  width: 100%;
  display: none;
  flex-direction: column;
  background: rgb(243 243 243);
  border: 1px solid rgb(0 0 0 / 33%);
}

.downandriod {
  position: absolute;
  width: 100%;
  height: 200px;
  top: 25%;
}

.top-bg {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.backicon {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-img {
  height: 4rem;
}
.back {
  height: 2.5rem;
}
.platformname , .dl{
  text-align: center;
}
.platformname img {
  height: 2.7rem;
  padding: .5rem;
}
.dl img {
  height: 3.7rem;
  padding: .5rem;
}
.andxiazai {
  display: flex;
  text-align: center;
  margin: auto;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.andxiazai img {
  padding: .5rem;
  width: 100%;
  height: 4.5rem;
}

.solution {
  z-index: 100;
  max-width: 480px;
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  flex-direction: column;
  background: rgba(250, 250, 250, 1);
  border: 1px solid rgb(0 0 0 / 33%);
}

.setting-bg {
  width: 83%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.setting-bg p {
  font-size: 14px;
  color: rgba(51, 51, 51, 1);
  text-align: center;
}

.txt {
  text-align: center;
}

.txt img {
  width: 100%;
  padding-bottom: 0.5rem;
  height: 3.2rem;
  padding-top: 1rem;
  margin-bottom: 2rem;
}

.set-item {
  text-align: center;
  padding: .3rem .2rem;
}

.set-item img {
  width: 100%;
}

.tutorial {
  z-index: 101;
  max-width: 480px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  position: absolute;
  width: 100%;
  display: none;
  background-color: #ffffff;
  top: 0;
  text-align: center;
  border: 1px solid rgb(0 0 0 / 33%);
}

.tutorial img {
  width: 95%;
}

.nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: .5rem;
}

.nav img {
  height: 2.5rem;
  width: unset;
}

.nav p {
  font-size: 1.2rem;
}

.model {
  max-width: 480px;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 111;
}

.model p {
  padding: 10px 40px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
}

.question {
  z-index: 99;
  background-color: rgba(250, 250, 250, 1);
  position: absolute;
  width: 100%;
  height: 100vh;
  max-width: 480px;
  display: none;
  top: 0;
  border: 1px solid rgb(0 0 0 / 33%);
}

.question-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-top: 1rem;
}

.question-list-item {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  background-color: rgba(250, 250, 250, 1);

  justify-content: space-between;
}

.question-list-item-title-content {
  display: none;
  padding: 16px;
  background-color: rgb(255, 255, 255);
  font-size: 14px;
  color: rgb(27, 28, 29);
}

.question-list-item-title-content a {
  font-size: 14px;
  color: rgb(61, 121, 252);
}

a:hover {
  font-size: 14px !important;
  color: rgb(250, 46, 123) !important;
}

.question-list-item-title {
  width: 100%;
  height: 54px;
  max-width: 480px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: rgba(0, 0, 0, 0.05) solid 1px;
}

.question-list-item-title p {
  font-size: 16px;
  color: rgb(27, 28, 29);
}

.question-list-item-title p span {
  font-size: 16px;
  color: rgb(97, 120, 155);
}

.question-list-item-title img {
  width: 30px;
  height: 30px;
}

pre {
  white-space: pre-line !important;
}
.but-imgg {
  margin-bottom: 1rem;
}
.photo {
  text-align: center;
}
.photo img {
  width: 100%;
}

@media screen and (max-width: 480px) {
  .header {
    padding: 1rem 1rem .3rem;
  }
  .header img {
    height: 2.3rem;
  }
  .contact-item {
    margin-left: .7rem;
    font-size: .9rem;
  }
  .logo-img {
    height: 2.6rem;
  }
  .txt-img img {
    padding-top: 1rem;
  }
  .desc-img img {
    padding-bottom: 2rem;
  }
  .set-up-tip img {
    margin-bottom: 1rem;
    height: .95rem;
  }
  .platformname img {
    height: 2rem;
  }
  .txt img {
    height: 2.5rem;
  }
  .andxiazai img {
    height: 4.2rem;
  }
}
@media screen and (max-width: 320px) {
  .header img {
    height: 1.8rem;
  }
  
}