body,
html {
  position: relative;
  -webkit-tap-highlight-color: transparent;
  -webkit-overflow-scrolling: touch;
  -moz-overflow-scrolling: touch;
  -o-overflow-scrolling: touch;
  width: 100%;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

body,
button,
dd,
div,
dl,
dt,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
input,
li,
menu,
nav,
ol,
p,
section,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}

body,
button,
input,
select,
textarea {
  font-family: "Hiragino Sans GB", "Helvetica Neue", Helvetica, STHeiTi, "Microsoft Yahei", sans-serif;
  color: #9b9b9b;
  background-color: #fff;
}

img {
  border: 0;
  vertical-align: middle;
}

a,
body,
html {
  -webkit-touch-callout: none;
}

:focus,
a,
a:focus,
button,
input {
  outline: 0;
}

.clear,
.clearfix:after {
  clear: both;
}

.clearfix,
.zoom {
  zoom: 1;
}

.clear,
.clearfix:after {
  overflow: hidden;
}

.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
  clear: both;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

em,
i {
  font-style: normal;
}

textarea {
  resize: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

th {
  text-align: inherit;
}

li,
ol,
ul {
  list-style: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  border: 0;
  background: 0;
}

input[type=button],
input[type=submit],
label {
  cursor: pointer;
}

button,
input[type=text],
input[type=button],
input[type=password] {
  -webkit-appearance: none;
  outline: 0;
}

input::-webkit-input-placeholder {
  color: #8d8d8d;
}

textarea::-webkit-input-placeholder {
  color: #8d8d8d;
}

a {
  font-size: 0.4rem;
  color: #9b9b9b;
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
}

a,
a:hover {
  text-decoration: none;
  font-size: 0.4rem;
}

body {
  max-width: 10rem;
  margin: 0 auto !important;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
}

.box-size {
  box-sizing: border-box;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.page {
  position: relative;
}

.page .bg_img {
  width: 100%;
}

.page .logo-ingo {
  position: absolute;
  top: 1.386667rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.page .logo-ingo .logo-img {
  width: 2.16rem;
}

.page .logo-ingo .logo-name {
  margin-top: 0.293333rem;
  font-weight: 600;
  font-size: 0.56rem;
  color: #FFFFFF;
}

footer {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 1.666667rem;
  background: #181818;
  transition: height 0.3s;
}

footer .appLogo {
  position: absolute;
  left: 0.266667rem;
  top: 0.16rem;
  width: 1.36rem;
  transition: all 0.3s;
}

footer .footer-bd {
  position: absolute;
  left: 1.986667rem;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s;
}

footer .footer-bd h4 {
  font-weight: 400;
  font-size: 0.426667rem;
  color: #FFFFFF;
  line-height: 0.533333rem;
}

footer .footer-bd p {
  font-weight: 400;
  font-size: 0.373333rem;
  color: #999999;
}

footer .down-btn {
  position: absolute;
  left: 6.68rem;
  top: 50%;
  width: 2.613333rem;
  height: 1.026667rem;
  margin-top: -0.513333rem;
  font-weight: 600;
  font-size: 0.453333rem;
  text-align: center;
  line-height: 1.026667rem;
  color: #FFFFFF;
  background: url("../images/btn_bg_s.png") no-repeat center;
  background-size: 100%;
  transition: all 0.3s;
  animation: amplify 1.2s linear infinite;
}

footer.first-screen {
  display: block;
  bottom: 0.613333rem;
  width: 9.066667rem;
  height: 5.2rem;
  background: #fff;
  padding: 0;
  text-align: center;
  border-radius: 0.4rem;
}

footer.first-screen .appLogo {
  top: -0.746667rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1.773333rem;
}

footer.first-screen .footer-bd {
  top: 1.266667rem;
  left: 50%;
  transform: translateX(-50%);
}

footer.first-screen .footer-bd h4 {
  font-weight: 600;
  font-size: 0.48rem;
  color: #000000;
}

footer.first-screen .footer-bd p {
  margin-top: 0.293333rem;
  color: #666666;
}

footer.first-screen .down-btn {
  top: 3.186667rem;
  left: 50%;
  width: 7.84rem;
  height: 1.266667rem;
  margin-left: -3.92rem;
  margin-top: 0;
  line-height: 1.266667rem;
  background: url("../images/btn_bg_b.png") no-repeat center;
  background-size: 100%;
}

.js_down {
  cursor: pointer;
}

@keyframes amplify {
  0% {
    transform: scale3d(1, 1, 1);
  }

  3% {
    transform: scale3d(1.01, 1.01, 1);
  }

  6% {
    transform: scale3d(1.02, 1.02, 1);
  }

  9% {
    transform: scale3d(1.03, 1.03, 1);
  }

  12% {
    transform: scale3d(1.04, 1.04, 1);
  }

  15% {
    transform: scale3d(1.05, 1.05, 1);
  }

  18% {
    transform: scale3d(1.049, 1.049, 1);
  }

  21% {
    transform: scale3d(1.044, 1.044, 1);
  }

  24% {
    transform: scale3d(1.035, 1.035, 1);
  }

  27% {
    transform: scale3d(1.022, 1.022, 1);
  }

  30% {
    transform: scale3d(1, 1, 1);
  }

  33% {
    transform: scale3d(0.991, 0.991, 1);
  }

  36% {
    transform: scale3d(0.986, 0.986, 1);
  }

  39% {
    transform: scale3d(0.985, 0.985, 1);
  }

  42% {
    transform: scale3d(0.988, 0.988, 1);
  }

  45% {
    transform: scale3d(0.993, 0.993, 1);
  }

  51% {
    transform: scale3d(0.999, 0.999, 1);
  }

  54% {
    transform: scale3d(1.004, 1.004, 1);
  }

  57% {
    transform: scale3d(1.007, 1.007, 1);
  }

  60% {
    transform: scale3d(1.008, 1.008, 1);
  }

  63% {
    transform: scale3d(1.007, 1.007, 1);
  }

  69% {
    transform: scale3d(1.005, 1.005, 1);
  }

  72% {
    transform: scale3d(1.001, 1.001, 1);
  }

  75% {
    transform: scale3d(0.999, 0.999, 1);
  }

  78% {
    transform: scale3d(0.997, 0.997, 1);
  }

  81% {
    transform: scale3d(0.996, 0.996, 1);
  }

  84% {
    transform: scale3d(0.996, 0.996, 1);
  }

  87% {
    transform: scale3d(0.997, 0.997, 1);
  }

  90% {
    transform: scale3d(0.999, 0.999, 1);
  }

  100% {
    transform: scale3d(1, 1, 1);
  }
}