img {
  max-width: 100%;
  width: 100%;
  height: auto;
  -ms-interpolation-mode: bicubic;
}
.iconfont {
  font-family: "iconfont" !important;
  font-size: 1.4rem;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -webkit-text-stroke-width: 0.2rem;
  -moz-osx-font-smoothing: grayscale;
}
body,
div,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
dl,
dt,
dd,
ol,
ul,
li,
hr,
fieldset,
form,
label,
legend,
th,
td,
article,
aside,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
hgroup {
  margin: 0;
  padding: 0;
  border: 0;
  font-family: Verdana, "Microsoft YaHei", "SimHei", "SimSun";
  color: #333333;
}
html {
  font-size: 62.5%;
}
html,
body {
  min-height: 100%;
  background: #F4F4F4;
  width: 100vw;
  overflow-x: hidden;
}
body {
  font-family: Verdana;
  -webkit-text-size-adjust: none;
}
a {
  /*	*/
  text-decoration: none;
}
a:active,
a:hover {
  outline: 0;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
ul {
  list-style: none;
}
.inner {
  padding: 3rem;
}
.tab {
  position: fixed;
  bottom: 0;
  z-index: 999;
  width: 100%;
  height: auto;
  background-color: #FFFFFF;
}
.tab ul {
  display: flex;
  justify-content: space-around;
}
.tab ul li {
  flex-direction: row;
}
.tab ul li a {
  display: block;
  text-align: center;
}
.tab ul li a img {
  width: 6rem;
  width: 7.5vw;
  height: 6rem;
  height: 3.5vh;
}
.tab ul li a p {
  font-size: 1.8rem;
  color: #262B37;
}
.tab ul li:nth-child(3) p {
  color: #2B3B95;
}
.tab ul li:nth-child(3) img {
  width: 7rem;
  width: 8.5vw;
  height: 7rem;
  height: 4.5vh;
}
.title {
  height: 5vh;
  line-height: 5vh;
  background-color: #ffffff;
  text-align: center;
}
.title a {
  float: left;
  margin-left: 5.6vw;
}
.title a i {
  color: #333333;
  font-size: 4rem;
}
.title span {
  font-size: 3.6rem;
  font-weight: bold;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 auto;
}
.text-tip {
  display: block;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 1rem 1rem;
  position: fixed;
  left: 50%;
  bottom: 12%;
  -webkit-transform: translate(-50%);
  transform: translate(-50%);
  border-radius: 3px;
  display: inline;
  z-index: 9999;
  font-size: 2rem;
  text-align: center;
}
.back-top {
  width: 8rem;
  height: 8rem;
  position: fixed;
  bottom: 20rem;
  right: 5rem;
  background: url(../images/back_top.png);
  background-size: 100% 100%;
  cursor: pointer;
  z-index: 1000;
  transition: height 0.5s;
}