/* 利用媒体查询修改 container宽度适合效果图宽度 */
@media (min-width: 1200px) {
  .container {
    width: 1200px;
  }
}

@media screen and (max-width: 540px) {
  ul {
    padding: 0;
    margin: 0;
    list-style: none;
  }
  a {
    text-decoration: none;
  }
  p {
    margin-bottom: 0;
  }
  body {
    min-width: 320px;
    max-width: 750px;
    margin: 0 auto;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  .container-fluid {
    flex-wrap: unset !important;
  }
  .navbar-toggler {
    font-size: 18px;
  }
  .mobnav-item {
    color: #fff;
    text-decoration: none;
    padding-left: 2rem;
    opacity: 0.6;
  }
  .bg-transparent > .navbar {
    padding: 0.266667rem;
  }
  .mobnav {
    background-color: #d24200 !important;
  }
}


@media screen and (max-width: 540px){
  /**/
  .footer {
    font-size: 14px;
    color: #CFCDCE;
    background-color: #333333;
  }
  .foot-content-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
  }
  .foot-content-left {
    padding: 1rem 0.5rem;
    padding-bottom: 0.2rem;
  }
  .foot-content-left > * {
    margin-bottom: 0.3rem;
  }
  .foot-content-right {
    margin: 0.5rem auto;
  }
  .foot-content-right > img {
    display: block;
    margin: auto;
    margin-top: 0.5rem;
  }
  .foot-backup {
    display: flex;
    width: 100%;
    padding: 0.2rem;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    background-color: #262626;
  }
}
.backline {
  position: fixed;
  bottom: 100px;
  right: 6px;
  width: 42px;
  z-index: 999;
  color: #999;
}
.backline dl {
  background: rgb(203, 70, 0);
  padding: 10px 5px;
  margin-bottom: 1px;
  position: relative;
}
.backline dl dd {
  color: #fff;
  text-align: center;
  font-size: 12px;
  cursor: pointer;
}