* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  a {
    text-decoration: none;
    color: #333;
  }
  html,body,main{
    height: 100%;
    position: relative;
  }
  body{
    font-size: 12px;
    line-height: 1.2;
  }
  main>section {
    height: calc(100% - 45px);
    padding: 10px;
    background: #fff;
    overflow: scroll;
    -webkit-overflow-scrolling: touch; /*ios 上增加弹性*/
  }
  main>section{
    display: none;
  }
  main section:first-child{
    display: block;
  }
  .item {
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
    padding-top: 10px;
  }
  .item>a{
    display: block;
    display: flex;
  }
  .item .cover,
  .item .cover img{
    width: 70px;
  }
  .item .detail {
    flex: 1;
    padding-left: 10px;
  }
  .item .detail h2{
    font-size: 16px;
  }
  .item .detail .extra{
    color: #999;
    margin-top: 4px;
  }
  .item .detail .score{
    color: #FF5722;
  }
  .loading {
    text-align: center;
    padding-top: 10px;
    display: none;
  }
  
  @keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg);  }
  }
  #search {
    height: calc(100% - 45px);
  }
  section .search-area{
    color: #333;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccc;
    position: relative;
  }
  section .search-area input {
    width: calc(100% - 50px);
    padding: 8px;
    background-color: #eee;
    border: none;
    border-radius: 2px;
    box-shadow: none;
    outline: none;
  }
  section .search-area .button{
    position: absolute;
    right: 0;
    padding: 8px 10px;
    background: #FF5722;
    color: #fff;
    border-radius: 2px;
    cursor: pointer;
  }
  .loading .iconfont{
    display: inline-block;
    animation: 1s rotate linear infinite;
  }
  footer {
    position: absolute;
    bottom: 0;
    height: 45px;
    width: 100%;
    border-top: 1px solid #ccc;
    background-color: #fff;
    display: flex;
  }
  footer>div {
    flex: 1;
    font-size: 12px;
    text-align: center;
    color: #666;
    padding-top: 6px;
  }
  footer .active{
    color: #FF5722;
  }
  footer>div>span{
    display: block;
  }