body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, figcaption, figure, fieldset, legend, button, input, textarea, th, td {
  margin: 0;
  padding: 0;
}

body, button, input, select, textarea {
  font-family: Lucida Grande, "Microsoft YaHei", "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, Verdana, sans-serif;
  font-size: 12px;
  line-height: normal;
}

h1 {
  font-size: 18px;
  font-weight: normal;
}

h2 {
  font-size: 16px;
  font-weight: normal;
}

h3 {
  font-size: 14px;
  font-weight: normal;
}

h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
}

address, cite, dfn, em, var {
  font-style: normal;
}

code, kbd, pre, samp, tt {
  font-family: "Courier New", Courier, monospace;
}

small {
  font-size: 12px;
}

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

a {
  text-decoration: none;
  color: #000;
}

a:active, a:focus, a:hover {
  text-decoration: none;
  border: none;
  outline: none;
}

abbr[title], acronym[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

q:before, q:after {
  content: "";
}

legend {
  color: #000;
}

fieldset, img {
  border: 0;
}

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

hr {
  border: 0;
  height: 1px;
}

button:focus,
button:active:focus,
button.active:focus,
button.focus,
button:active.focus,
button.active.focus {
  outline: none;
  border-color: transparent;
  box-shadow: none;
}

* {
  -ms-word-break: break-all;
  word-break: break-all;
  -ms-word-wrap: break-word;
  word-wrap: break-word;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.clearfix::after {
  display: block;
  clear: both;
  content: "";
}

input:-webkit-autofill {
  box-shadow: 0 0 0px 1000px white inset;
}

input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {
  color: #999;
}

input:-moz-placeholder, textarea:-moz-placeholder {
  color: #999;
}

input::-moz-placeholder, textarea::-moz-placeholder {
  color: #999;
}

input:-ms-input-placeholder, textarea:-ms-input-placeholder {
  color: #999;
}

.placeholder_color {
  color: #999;
  font-size: 0.3rem;
}

html {
  font-size: 50px;
  font-size: 13.33333vw;
}

@media screen and (min-width: 750px) {
  html {
    font-size: 100px;
  }
}
.section {
  position: relative;
}
.section .bg {
  width: 100%;
}
.section .phone {
  position: absolute;
  top: 2.3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
}
.section .phone .img {
  width: 100%;
}
.section .phone .btn_wrap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2rem;
  padding: 0.2rem 0;
  z-index: 999;
  background: #fff;
  border: 0;
}
.section .phone .btn_wrap .downloadButton {
  width: 6rem;
  height: 0.8rem;
  margin: 0 auto;
  border-radius: 0.4rem;
  font-size: 0.32rem;
  display: block;
  text-align: center;
  color: #fff;
  background-color: #ed1c24;
  display: flex;
  align-items: center;
  justify-content: center;
}
.section .phone .btn_wrap .downloadButton img {
  width: 0.48rem;
  margin-right: 0.2rem;
}