*,
::after,
::before {
  box-sizing: border-box;
}
body,
ul,
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0;
  margin: 0;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, PingFangSC-Regular, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #333;
}
img {
  vertical-align: bottom;
  width: 100%;
  height: 100%;
}
ul {
  list-style-type: none;
}
a {
  color: #333;
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
header {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 5.33333333vw;
  margin-top: 10.66666667vw;
}
h3 {
  font-family: SimHei;
  font-weight: 400;
  font-size: 4vw;
  color: #292828;
  border-bottom: 1.06666667vw #1859BA solid;
}
section {
  width: 100%;
  margin-top: 4.13333333vw;
  height: calc(100vh - 30px - 80px - 40px);
  padding: 0 4.13333333vw;
}
.list {
  width: 100%;
  height: 100%;
  overflow: auto;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.container .item {
    width: 48%;
    margin-bottom: 4vw;
}

.big-image-cover {
  display: none;
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}
.big-image-cover .big-image {
  height: auto;
  object-fit: cover;
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translate(0, -50%);
}

.loading {
  line-height: 5.33333333vw;
  border-top: #e5e5e5 solid 1px;
  text-align: center;
  font-size: 2.13333333vw;
  color: #5E5E5E;
  display: none;
}


footer {
  position: absolute;
  bottom: 0;
  display: flex;
  width: 100%;
  height: 12.93333333vw;
  background: #1D4DF4;
}
footer ul {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 9.73333333vw;
  padding-right: 11.33333333vw;
}
footer ul li {
  width: 8vw;
}
footer ul li a {
  display: block;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: SimHei;
  font-weight: 400;
  font-size: 1.86666667vw;
  color: #FFFFFF;
}
footer ul li a .iconfont {
  font-size: 5.46666667vw;
  margin-bottom: 1.06666667vw;
}
footer ul li .selected {
  font-weight: 600;
}