* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}

body {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
}
.content-area {
  max-width: 480px;
  width: 100%;
  /* padding-top: .5rem; */
}

.photo img , .content-area img{
  width: 100%;
}

.layout {
  max-width: 480px;
  display: flex;
  flex-direction: column;
  width: 100%;
  /* background-color: rgb(0 0 0);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  object-fit: cover; */
}

.top {
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: start;
}

.top-btn{
  width: 100%;
  display: flex;
  position: fixed;
  max-width: 480px;
  z-index: 9;
  background-color: rgb(0, 0, 0);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1;
  padding: .8rem;
  box-sizing: border-box;
}

header h1 {
  margin: 0;
  color: white;
  display: flex;
  align-items: center;
}

.nav-container,
.nav-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-left: .5rem;
}

.navbar {
  width: 100%;
}

.logo-header {
  height: 3.5rem;
}

.tg_avatar {
  height: 3.7rem;
}

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

.btnimg{
  /* z-index: 40; */
  display: flex;
  align-items: center;
  flex-direction: column;
  margin-left: 10px;
}
.t-img {
  text-align: center;
}
.t-img img {
  width: 40%;
  padding: 2rem 0 1.5rem 0;
}
.setup-tip {
  text-align: center;
  padding: 1rem;
  display: flex;
  max-width: 480px;
  width: 100%;
}

.setup-tip img {
  width: 100%;
}

.ios-txt img , .android-txt img {
  width: 80%;
}


.icon-img{
  /* width: 55px !important;
  height: 65px !important; */
  height: 3.5rem;
  margin-bottom: 6px;
}

.btnimg span{
  font-size: 10px;
  color: rgb(255, 255, 255);
}

.title-img {
  width: 75%;
  /* padding: 15px; */
}
.app-area {
  background-color: rgba(0, 0, 0, 0.96);
  position: fixed;
  bottom: 0;
  max-width: 480px;
  width: 100%;
}
.contact-device {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
  /* gap: 15px; */
  
}
.contact-device a {
  width: 48%;
  padding: .5rem;
}
.contact-device img {
  width: 100%;
}
.desc_ {
  background-color: rgb(51 51 51);
  width: 95%;
  margin: auto;
  color: #ffffff;
  font-size: .9rem;
  padding: 10px;
  margin-top: 1.5rem;
}

.download-btn {
  flex: 1;
  max-width: 60%;
  height: 50px;
  border: #99ffff solid 1px;
  border-radius: 20px;
  margin: 0 10px;
  color: #ffffff;
  font-size: 20px;
  text-align: center;
  line-height: 50px;
}


.mask {
  z-index: 99;
  background-color: rgba(0, 0, 0, 0.6);
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  max-width: 480px;
}

.mask img {
  width: 100%;
  height: 300px;
}

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

.question-list {
  width: 100%;
  padding-top: 72px;
  display: flex;
  flex-direction: column;

}

.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(61, 121, 252) !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;
}

.address {
  width: 93%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-image: url("../images/type/bg.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.addresstitle{
  color: #000;
  font-size: 21px;
  line-height: 70px ;
  text-align: center;
}

.address-item {
  

}
.address-item img {
  height: auto;
}
.pic-1 {
  margin-top: 3rem;
}
.pic-6 {
  margin-bottom: 2rem;
}
.add-border {
  border-bottom: 2px solid rgb(250 250 250 / 1%);
}

.nav {
  max-width: 480px;
  background-color: #fff;
  /* background-image: url("../images/nav.png"); */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 10px;
  position: fixed;
  top: 0;
  border-left: 1px solid rgb(0 0 0 / 22%);
  border-right: 1px solid rgb(0 0 0 / 22%);
}

.nav img {
  height: 40px !important;
  width: 40px !important;
}

.nav p {
  color: rgb(51, 51, 51);
  font-size: 18px;
}


#img {
  display: flex;
  flex-wrap: wrap;
}

.btn {
  padding: 20px 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn button {
  width: 335px;
  height: 50px;
  border-radius: 25px;
  background-color: rgba(0, 0, 0, 1);
  border: none;
  color: #fff;
  font-size: 18px;
}

.btnn {
  font-size: .9rem;
  color: #ffffff;
  padding: 10px;
}

.background {
  background-color: #F79000;
  padding: 8px;
  border-radius: 5px;
  text-align: center;
}

.tutorial , .setting-disable{
  z-index: 101;
  max-width: 480px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  position: absolute;
  width: 100%;
  display: none;
  background-color: rgb(0, 0, 0);
  margin-top: 5rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
  text-align: center;
}

.tutorial img{
  width: 100%;
}
.setting-disable img {
  width: 90%;
}
.download-bg, .download-android-bg{
  z-index: 99;
  max-width: 480px;
  position: absolute;
  top: 0;
  width: 100%;
  height: auto !important;
  min-height: 100%;
  /* display: none; */
  flex-direction: column;
  background: rgba(250, 250, 250, 1);
  background-color: rgb(0 0 0);
}

.logo{
  height: 46px;
}

.back{
  height: 40px;
  width: 40px;
}
.back_ {
  height: 40px;
  width: 40px;
  opacity: 0;
}

 a:hover {
  font-size: 14px !important;
  color: rgb(61,121,252) !important;
}


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

.btn_ {
  margin: 16px 0;
}

.model p{
  padding: 10px 40px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
}
.email-txt {
  font-size: 13px !important;
}
pre {
  white-space: pre-line !important;
}
.download-bg , .download-android-bg{
  max-width: 480px;
  width: 100%;
}
.download-bg img , .download-android-bg img {
  width: 100%;
}
.description {
  margin-top: 5rem;
  padding: 2.5rem;
}
.description-android {
  margin-top: 5rem;
}
.device-list {
  flex: 1;
  overflow-y: scroll;
  padding: .8rem 1.5rem 1rem 1.5rem;
  box-sizing: border-box;
  padding-bottom: 5rem;
}
.device-list .item {
  width: 100%;
  padding-top: .7rem;
}
.device-list .item img{
  width: 100%;
}
.btn-1 {
  
}
.tip-1 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.ios-img-title , .android-img-title , .setting-img-title {
  text-align: center;
}
.ios-img-title img , .android-img-title img , .setting-img-title img{
  height: 1.6rem !important;
  width: 100% !important;
}


@media screen and (max-width: 480px) {
  .content-area {
    padding-top: 1rem;
  }
  .logo-header {
    height: 2.5rem;
  }
  .tg_avatar {
    height: 3.2rem;
  }
  .setup-tip {
    padding: .5rem;
  }
  .contact-device a {
    padding: .2rem;
    width: unset;
  }

}

@media screen and (max-width: 320px) {
  .tg_avatar {
    height: 2.5rem;
  }
  .contact-device img {
    height: 2rem;
  }
}