*{
  /* border: 1px solid red; */
}
html,body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

.open_app {
    display: none;
}

.first_page {
  width: 100%;
  height: 100%;
  background: url(https://img.ikstatic.cn/MTYyMzk4MTM1MDQxNCM2MzQjcG5n.png) no-repeat;
  background-size: 100% 100%;
  filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='bg-login.png',sizingMethod='scale');
  overflow: hidden;
}
.fp_header {
  display: flex;
  align-items: center;
}
.fp_header_logo{
  font-size: 30px;
  line-height: 1;
  margin: 0;
  margin-left: 60px;
}
.zhixing1 {
  width: 116px;
  height: 30px;
  margin-left: 12.5%;
  margin-top: 1%;
}
.app_download_btn {
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
  margin-left: 2.5%;
}
.app_active {
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
  margin-left: 2.5%;
  display: inline;
  text-decoration-line: none;
}
.contact_wrap {
  position: relative;
  margin-left: 2.5%;
}
.contact {
  border: none;
  background: transparent;
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
  cursor: pointer;
  margin: 0;
  padding: 18px 0;
}
.contact_popover {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.contact_popover::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: #FFFFFF;
  border-left: 1px solid rgba(66, 142, 255, 0.16);
  border-top: 1px solid rgba(66, 142, 255, 0.16);
  transform: translateX(-50%) rotate(45deg);
}
.contact_wrap:hover .contact_popover,
.contact_wrap:focus-within .contact_popover {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.contact_content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 146px;
  padding: 14px 12px 12px;
  background: #FFFFFF;
  border: 1px solid rgba(66, 142, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(66, 142, 255, 0.16);
}
.contact_close {
  display: none;
}
.contact_pic {
  width: 80px;
  height: 80px;
  object-fit: contain;
}
.contact_phone {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 20px;
  font-family: PingFangSC-Regular, PingFang SC;
  color: #333333;
  white-space: nowrap;
}
.fp_container {
  margin-top: 7.8%;
  width: 100%;
  display: flex;
}
.cat_pic {
  width: 500px;
  height: 500px;
  margin-left: 24%;
}
.zhixing2 {
  position: relative;
  left: 117px;
  top: 137px;
  width: 101px;
  height: 60px;
}
.text1 {
  font-size: 44px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  margin-left: 117px;
  margin-top: 175px;
}
.text2 {
  font-size: 18px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  letter-spacing: 10px;
  margin-left: 127px;
  margin-top: -36px;
}
.download_btn {
  display: flex;
  margin-left: 125px;
  margin-top: 50px;
}
.download_btn_mobile{
  display: none;
}
.ios_down_btn {
  display: flex;
  width: 172px;
  height: 48px;
  background: #428EFF;
  border-radius: 8px;
  color: #FFFFFF;
  border: none;
  line-height: 48px;
  font-size: 15px;
  cursor: pointer;
}
.ios_pic {
  width: 24px;
  height: 24px;
  margin-top: 10px;
  margin-left: 16px;
}
.text3 {
  margin-left: 10px;
}

.android_down_btn {
  font-size: 15px;
  display: flex;
  width: 172px;
  height: 48px;
  background: #FFFFFF;
  border-radius: 8px;
  border: 2px solid #428EFF;
  color: #428EFF;
  line-height: 48px;
  margin-left: 10px;
  cursor: pointer;
}
.android_pic {
  margin-top: 10px;
  margin-left: 16px;
  width: 24px;
  height: 24px;
}
.second_page {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
}
.pic1 {
  width: 963px;
  height: 784px;
  margin-top: 10%;
}
.pic2 {
  width: 979px;
  height: 784px;
  margin-top: 10%;
}
.pic3 {
  width: 929px;
  height: 784px;
  margin-top: 10%;
}
.third_page {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  background: #F5FAFB;
}
.fourth_page {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer {
  width: 100%;
  height: 100px;
  margin-top: 71px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #A2A19F;
  text-align: center;
}
.footer a {
  text-decoration: none;
  color: #A2A19F;
  cursor: pointer;
}
.footer a:-webkit-any-link {
  text-decoration: none;
  color: #A2A19F;
  cursor: pointer;
}

@media screen and (max-width: 750px) {
    .open_app {
        display: flex;
        width: 100%;
        height: 40px;
        background-color: white;
        position: fixed;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .open_app_text {
        font-size: 14px;
        margin-left: 20px;
        color: black;
    }

    .open_app_btn {
        border-radius: 11px;
        background-color: #428EFF;
        text-align: center;
        margin-right: 20px;
        width: 60px;
        height: 22px;
        line-height: 22px;
        font-size: 10px;
        color: white;
    }

  .first_page {
    background: url('https://img.ikstatic.cn/MTYyOTA4NTE3Mzk5MCMxMDIjcG5n.png') no-repeat;
    background-size: 100% 100%;
    padding-top: 40px;
  }
  .fp_header{
    height: 40px;
    padding: 0 20px;
    justify-content: space-between;
  }
  .fp_header_logo{
    margin-left: 0;
    font-size: 16px;
  }
  .fp_container{
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .zhixing1{
    margin-left: 5vw;
    margin-top: 4vw;
  }
  .app_download_btn{
    display: none;
  }
  .contact_wrap{
    position: static;
    z-index: 20;
    margin-left: 0;
  }
  .contact {
    height: auto;
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: #000000;
    font-size: 13px;
    line-height: 40px;
    box-shadow: none;
  }
  .contact_popover {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100002;
    display: none;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    opacity: 1;
    pointer-events: auto;
    transform: none;
    transition: none;
    align-items: center;
    justify-content: center;
  }
  .contact_popover::before {
    display: none;
  }
  .contact_wrap:hover .contact_popover,
  .contact_wrap:focus-within .contact_popover {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .contact_wrap.show .contact_popover {
    display: flex;
  }
  .contact_content {
    width: 180px;
    padding: 24px 20px 18px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  }
  .contact_close {
    position: absolute;
    top: 8px;
    right: 10px;
    display: block;
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: #999999;
    font-size: 22px;
    line-height: 22px;
    cursor: pointer;
  }
  .contact_pic {
    width: 80px;
    height: 80px;
  }
  .contact_phone {
    font-size: 14px;
    line-height: 20px;
  }
  .fp_container .cat_pic{
    margin-left: 0;
    width: 40vw;
    height: 40vw;
  }
  .fp-text-container{
    width: 100vw;
    padding-top: 5vw;
    text-align: center;
  }
  .zhixing2{
    left: 0;
    position: static;
  }
  .text1{
    margin-left: 0;
    margin-top: 3vw;
    font-size: 6vw;
  }
  .text2{
    margin-left: 0;
    margin-top: 0;
    font-size: 4vw;
    margin-top: -2vw;
  }
  .download_btn{
    display: none;
  }
  .download_btn_mobile{
    display: flex;
    width: 100%;
    justify-content: center;
    padding-top: 7vw;
  }
  .mobile_download{
    font-size: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 36vw;
    height: 40px;
    background: transparent;
    border-radius: 8px;
    border: 1px solid transparent;
    color: #428EFF;
    margin-left: 10px;
    cursor: pointer;
    position: relative;
  }
  .mobile_download::before{
    content: '';
    position: absolute;
    left: 3px;
    top: 3px;
    width: 100%;
    height: 100%;
    border: 1px solid #428EFF;
  }
  .mobile_download::after{
    content: '';
    position: absolute;
    left: -3px;
    top: -3px;
    width: 100%;
    height: 100%;
    border: 1px solid #428EFF;
  }
  .second_page{
    display: none;
  }
  .third_page{
    display: none;
  }
  .pic3{
    display: none;
  }
  .fourth_page{
    height: fit-content;
  }
  .footer{
    margin-top: 0;
    position: absolute;
    bottom: 0;
    width: 100vw;
    padding-bottom: 10vw;
    /* background-image: linear-gradient(to top, #a8edea 0%, transparent 100%); */
  }
}