main {
  display: flex;
  margin-bottom: 10px;
}

.system-aside {
  width: 320px;
  margin: 0 10px 0 0;
}

.system-aside > div + div {
  margin-top: 10px;
}

.system-container {
  flex: 1;
  margin-top: 0;
  background: linear-gradient(-55deg, #EAF4FA, #BED2DF);
}

.system-container h1 {
  font-size: 30px;
  text-align: center;
  margin: 45px 0 28px;
}

.system-infos {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 45px;
}

.system-infos > a:first-child {
  height: 50px;
  padding: 0 20px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  line-height: 50px;
  background-color: #8CABBE;
}

.system-infos > a:first-child:hover {
  background-color: #7a97a9;
  text-decoration: none;
}

.system-infos > a:first-child span {
  color: red;
  filter: drop-shadow(0 0 1px #fff);
}

.system-infos img {
  width: 300px;
  height: 300px;
  margin: 40px 0;
}

.system-desc {
  text-align: center;
  line-height: 28px;
}

.system-desc span {
  font-weight: bold;
}

.system-tips {
  padding: 30px 36px;
  box-sizing: border-box;
  border-top: 1px solid #A8BFDA;
  font-size: 12px;
  color: #7B8A94;
}

.system-tips p,
.system-tips li {
  line-height: 20px;
}