* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  font-family: PingFangSC-Regular, Roboto, "Helvetica Neue", Helvetica, Tahoma,
    Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: #f1f1f1;
}

.activity-content {
  width: 960px;
  max-width: 100%;
  position: relative;
  margin: 0 auto;
  overflow: hidden;
  background-color: #f1f1f1;
  font-size: 0;
}

.activity-content .slice,
.activity-content .slice-link img,
.activity-content .grid-2 img,
.activity-content .grid-4 img {
  width: 100%;
  height: auto;
  display: block;
  border: 0;
  vertical-align: top;
}

.activity-content .slice-link {
  display: block;
  text-decoration: none;
}

.activity-content .section {
  position: relative;
}

.activity-content .hotspot {
  position: absolute;
  z-index: 2;
  display: block;
  text-decoration: none;
}

.activity-content .grid-2 {
  display: flex;
  flex-wrap: nowrap;
}

.activity-content .grid-2 a {
  width: 50%;
  display: block;
  flex-shrink: 0;
}

.activity-content .grid-4 {
  display: flex;
  flex-wrap: nowrap;
}

.activity-content .grid-4 a {
  display: block;
  flex-shrink: 0;
}