body, html {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #f5f5f5;
}
.bg {
  width: 100vw;
  height: 100vh;
  background: url('256icon.png') no-repeat center center/cover;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.info {
  width: 100vw;
  background: rgba(255,255,255,0.85);
  text-align: center;
  padding: 10px 0 5px 0;
  font-size: 14px;
  position: absolute;
  top: 0;
  left: 0;
}
.links a {
  color: #1890ff;
  text-decoration: none;
  margin: 0 4px;
}
.character {
  width: 180px;
  height: 180px;
  background: url('256icon.png') no-repeat center center/contain;
  margin: 120px auto 0 auto;
}
.start-btn-container {
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  z-index: 10;
}