@charset "utf-8";

.index {
  width: 1200px;
  margin: 0 auto;
  padding-bottom: 60px;
}

/* CSS Document */
.banner {
  /* padding-top: 100px; */
  /* padding: 36px 0; */
  padding: 70px 0 20px;

  width: 100%;
}
.banner > div {
  position: relative;
}
.banner img {
  width: 100%;
  height: 440px;
}
.banner span {
  position: absolute;
  left: 50px;
  bottom: 10px;
  width: 216px;

  background: linear-gradient(270deg, #1890ff 0%, #686fff 100%);
  border-radius: 53px;
  border: 2px solid #1890ff;
  font-weight: 600;
  font-size: 32px;
  padding: 28px 0;
  color: #ffffff;
  line-height: 1;
  text-align: center;
}

.button ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.button ul li {
  width: 580px;
  height: 148px;
  background: linear-gradient(90deg, #bee0ff 0%, #f4faff 100%);
  border-radius: 20px;

  padding: 32px;
  margin-right: 40px;
  margin-top: 40px;
  box-sizing: border-box;
}
.button ul li a {
  display: flex;
  align-items: center;
}
.button ul li:nth-child(2),
.button ul li:nth-child(3) {
  background: linear-gradient(90deg, #c5c8ff 0%, #f3f3ff 100%);
}
.button ul li:nth-child(2) .text,
.button ul li:nth-child(3) .text{
  color:#686FFF;
}
.button ul li:nth-child(2),
.button ul li:nth-child(4) {
  margin-right: 0;
}

.button ul li img:nth-child(1) {
  width: 80px;
  height: 84px;
}

.button ul li img:nth-child(3) {
  width: 70px;
  height: 50px;
}

.button ul li .text {
  margin-left: 20px;
  width: 360px;
  color: #1890ff;
}

.button ul li .text h4 {
  font-size: 28px;
 
  font-weight: 400;
  line-height: 50px;
}

.button ul li .text p {
  font-weight: 400;
  font-size: 18px;
 
}

@media screen and (max-width: 768px) {
  /* 在此处编写针对平板设备的样式 */
  .index {
    padding: 0 20px;
    width: 100%;
  }

  .banner {
    padding: 30px 0 0 0;
  }
  .banner img {
    width: 100%;
    height: auto;
  }
  .banner span {
    left: 20px;
    bottom: 8px;
    width: 80px;
    font-size: 14px;
    padding: 5px 0;
  }
  .button{
    margin-top:30px;
  }
  .button ul {
    flex-direction: column;
  }

  .button ul li {
    width:100%;
    height: auto;
    background: linear-gradient(90deg, #bee0ff 0%, #f4faff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    margin:10px auto;
  }
  .button ul li a {
    width:100%;
  }
  .button ul li img:nth-child(1) {
    /* width: 1.5rem; */
    width:60px;
    height:60px;
  }
  .button ul li:nth-child(2),
  .button ul li:nth-child(4) {
    margin-right: auto;
  }
  .button ul li img:nth-child(3) {
    /* width: 1.5rem; */
    width:35px;
    height:25px
  }

  .button ul li .text {
    margin-right:20px;
    flex:1;
    margin-left: 10px;
    width:100%;

  }
  .button ul li:nth-child(2) .text,
.button ul li:nth-child(3) .text{
  color:#686FFF;
}
  .button ul li .text h4 {
    font-size: 16px;
    
    line-height: 30px;
  }

  .button ul li .text p {
    font-size: 12px;
  
  }
}