body {
  font-size: 0.16rem;
}
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
  margin: 0;
  padding: 0;
  font-family: 'pingfang SC', 'webfont', 'helvetica neue', arial, 'hiragino sans gb', 'microsoft yahei ui', 'microsoft yahei', simsun, sans-serif !important;
}
table {
  margin: 0;
  padding: 0;
  border-collapse: collapse;
  border-spacing: 0;
}
textarea {
  resize: none;
}
li {
  list-style: none;
}
fieldset,
img {
  border: 0;
}
img {
  vertical-align: top;
}
address,
caption,
cite,
code,
dfn,
th,
var {
  font-weight: normal;
  font-style: normal;
}
ol,
ul {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  font-size: 100%;
}
abbr,
acronym {
  border: 0;
}
em,
i {
  font-style: normal;
}
a {
  color: #000;
  text-decoration: none;
}
.top-box {
  height: 0.5rem;
  background-color: #35BA6E;
}
.top-box .top {
  position: fixed;
  top: 0;
  left: 0;
  height: 0.5rem;
  width: 100%;
  background-color: #35BA6E;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  z-index: 99;
}
.top-box .top .icon-zuojiantou {
  position: absolute;
  top: 50%;
  margin-top: -0.08rem;
  left: 0.1rem;
  font-size: 0.17rem;
  color: #fff;
}
.navigation {
  height: 0.5rem;
  display: flex;
  align-items: center;
  border-bottom: 0.01rem solid #E5E5E5;
}
.navigation li {
  margin-left: 0.1rem;
  line-height: 0.5rem;
  cursor: pointer;
}
.navigation .active {
  color: #FF8142;
  border-bottom: 0.02rem solid #FF8142;
}
.activity {
  width: 3.5rem;
  margin: auto;
  display: none;
}
.activity .activity-content .activity-content-title {
  font-size: 0.2rem;
  margin: 0.1rem 0;
  font-weight: 600;
}
.activity .activity-content .activity-content-text {
  margin: 0.05rem;
}
.activity .activity-content .activity-img {
  width: 3.5rem;
}
.classroom {
  width: 3.5rem;
  margin: auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  display: none;
}
.classroom .classroom-img {
  width: 1.7rem;
  height: 1.2rem;
  margin-top: 0.1rem;
}
.trainee {
  width: 3.5rem;
  margin: auto;
  display: none;
}
.trainee li {
  margin-top: 0.1rem;
}
.trainee li h3 {
  font-size: 0.2rem;
  font-weight: 600;
}
.trainee li .trainee-info {
  font-size: 0.16rem;
  margin: 0.05rem 0;
}
.trainee li .trainee-img {
  width: 3.5rem;
}
.content-active {
  display: block;
}