/* 移动端处理 */
@media screen and (max-width: 960px) {
  body.index .top {
    min-width: 0;
  }
  body.index .navw {
    position: fixed;
    top: 5px;
    width: 100%;
  }
  body.index .navw nav {
    width: 100%;
  }
  body.index .navw nav .logo img {
    width: 50px;
    height: auto;
  }
}