/* 页脚 */
.flex-container {
  display: -webkit-flex;
  display: flex;
}
.flex-container .flex-item{
  width:17%;
}
.bottom-bar {
  background-color: #212121;
  color: rgb(245, 244, 244);
  margin-top: 0;
  /* font-family: Arial; */
}
.bottoms {
  display: flex;
  height: auto;
  padding-bottom:2vw;
}

.flex-items {
  width: 30%;
  height: 100%;
  margin-top: 0;
  margin-left: -5%;
  margin-right: auto;
}
.flex-item {
  width: 30%;
  height: 100%;
  margin-top: 0;
  margin-left: auto;
  margin-right: auto;
}

#bottom-bar {
  width: 100vw;
  height: auto;
  background-color: rgb(36, 36, 36);
  color: rgb(252, 248, 248);
  margin-top: 0;
}

.cul li {
  margin-bottom: 5px;
}

.bottom-title,
.cul .bottom-title a{
  font-size: 16px;
  font-weight: 700;
  margin-top: 15%;
  /* margin-bottom: 1vw !important; */
}
.cul .bottom-title a{
  color:white;
}

.bottom-titles {
  margin: 2vw 0 2vw 0;
}

.bottom-titles a {
  font-size: 1vw;
  font-weight: 700;
  color: rgb(252, 248, 248) !important;
}

.small-title a {
  font-weight: 900;
}

.cul a {
  color: rgb(185, 184, 184);
  font-size: 13px;
}

.bottom-pic {
  margin-top: 0;
  margin-left: 0;
}

.icon {
  width: 3vw;
}

#select {
  background-color: #212121;
  color: #999999;
  width: 100%;
  border: 1px solid #e5e5e5;
  padding: 10px;
  appearance:none;
  -moz-appearance:none;
  -webkit-appearance:none;
  font-size:13px;
}

.bottom-line {
  border-bottom: 1px solid rgb(92, 91, 91);
}

.tag {
  color: #e5e5e5;
  text-align: center;
  padding: 2vw 0;
}
.cul.cul1 a {
  font-size: 13px;
  font-weight: normal;
}
.cul.cul1 .bottom-titles a{
  font-size:16px;
  font-weight:bold;
}
.form-group{
  position:relative;
}
.form-group ul{
  display:none;
  position: absolute;
  top: calc(1.5em + 20px);
  border: 1px solid #e5e5e5;
  width: 100%;
  left: 0;
  padding: 10px;
  z-index: 9;
  background: #212121;
}
.form-group.open ul{
  display:block;
}
.form-group .text{
  color:#b9b8b8;
  padding: 10px;
  border: 1px solid #e5e5e5;
}
.related-sites .form-group a{
  color:#999999;
}
.cul .bottom-title{
  margin-bottom:15px;
}
@media (max-width: 750px) {
  .flex-container .flex-item{
    display:none;
  }
  .flex-container .flex-item.follow-us{
    display: block;
    width:100%;
  }
  .flex-container.bottom-pic .flex-item{
    display: block;
  }
  .cul1 {
    display: block;
    margin-right: auto;
    text-align: center;
  }

  .bottom-pic{
    width:60%;
    margin:auto;
  }
  .cul .bottom-title {
    margin-top: 5vw;
    margin-bottom: 5vw;
  }
  .bottom-pic .icon{
    width:100%;
  }

  #select {
    /* width: 60%; */
    padding: 10px;
    margin-bottom: 5vw;
    line-height: 5vw;
    font-size:2.667vw;
  }
  .cul li.bottom-titles{
    margin-bottom: 20px;
  }

  .bottom-line,
  .tag {
    display: block;
  }
  .tag{
    font-size: 14px;
    padding: 0.5rem 0;
  }
  .bottoms{
    padding-bottom:5vw;
  }
  .cul.cul1 .related-sites .font20 a{
    font-size:2.667vw;
    font-size:var(-2.667vw);
  }
  .related-sites .form-group{
    width: 60%;
    margin: auto;
    text-align: left;
  }
}