img {
  max-width: 100%
}

.brand-top-tab {
  padding-top: 4.68%;
  font-size: 24px;
  color: #000;
  overflow: hidden;
  text-align: center;

}

.brand-top-tab ul {
  display: table;
  width: 100%;
}

.brand-top-tab li {
  display: table-cell;
}

.brand-top-tab li a {
  color: #000;
  font-size: 24px;
  white-space: nowrap;
  display: block;
  padding-bottom: 40px;
}

.brand-top-tab li.on a {
  border-bottom: 4px solid #ff001b;
}

.brand-banner {
  position: relative;
  min-height: 320px;
}

.brand-banner-txt {
  color: #fff;
  position: absolute;
  left: 0;
  top: 39.215%;
  padding: 0 4.68%;
  color: #fff;
  font-size: 14px;
}

.brand-banner-txt .en {
  color: #ff001b;
  font-size: 18px;
}

.brand-banner-txt .tit {
  font-size: 24px;
}

.brand-banner-txt .cont {
  margin-top: 20px;
  height: 122px;
  overflow: hidden;
}

.brand-banner-txt .arrow {
  width: 38px;
  height: 5px;
  background: url(/img/arrow.png) 0 0 no-repeat;
}

.brand-list-wrap .box {
  margin: 0 -1.25%;
}

.brand-list-wrap {
  margin-top: 4.68%;
  overflow: hidden;
}

.brand-list-wrap img {
  max-width: 100%;
}

.brand-list-wrap li {
  float: left;
  position: relative;
  margin-left: 1.25%;
  margin-bottom: 1.25%;
  width: 32%;
  height: 0;
  padding-top: 24%;
  overflow: hidden;

}

.brand-list-wrap li a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.brand-list-wrap li a .img {
  position: absolute;
  width: 100%;
}

.brand-list-wrap li a .img img {
  width: 100%;
}

.brand-list-wrap li .name {
  position: absolute;
  z-index: 2;
  bottom: 5%;
  width: 100%;
  color: #000;
  font-size: 14px;
  text-align: center;
  -webkit-transition: all .3s;
  -moz-transition: all .3s;
  -o-transition: all .3s;
  -ms-transition: all .3s;
  transition: all .3s;
}

.brand-list-wrap li .shadow {
  position: absolute;
  z-index: 3;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, .5);
  color: #fff;
  font-size: 14px;
  opacity: 0;
  -webkit-transition: all .3s;
  -moz-transition: all .3s;
  -o-transition: all .3s;
  -ms-transition: all .3s;
  transition: all .3s;
}

.brand-list-wrap li .shadow .cont {
  position: absolute;
  top: 60%;
  left: 0;
  width: 100%;
  text-align: center;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -o-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  transform: translate(0, -50%);
  -webkit-transition: all .3s;
  -moz-transition: all .3s;
  -o-transition: all .3s;
  -ms-transition: all .3s;
  transition: all .3s;
}

.brand-list-wrap li:hover .shadow {
  opacity: 1;
}

.brand-list-wrap li:hover .name {
  opacity: 0;
}

.brand-list-wrap li:hover .shadow .cont {
  top: 50%;
}

.content .nav li {
  padding: 2em 1em;
}

@media (max-width: 1366px) {
  .brand-top-tab li a {
    font-size: 20px;
    padding-bottom: 20px;
  }

  .brand-banner-txt {
    top: 30%;
  }
}

@media (max-width: 1024px) {
  .brand-top-tab ul {
    display: block;
  }

  .brand-top-tab li {
    float: left;
    width: 33.33333%;
  }

  .brand-list-wrap .box {
    margin: 0 -1.5%;
  }

  .brand-top-tab li a {
    font-size: 14px;
    padding: 8px 0;
  }

  .brand-top-tab li.on a {
    border: none;
    color: #ff001b;
  }

  .brand-list-wrap li {
    width: 48%;
    padding-top: 36%;
  }

  .brand-banner-txt {
    top: 10%;
  }

  .brand-banner-txt .en,
  .brand-banner-txt .tit {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

  }

  .brand-banner .pc-img {
    display: none;
  }

  .brand-banner-txt .arrow {
    margin-top: 15px;
  }

  .brand-banner-txt .cont {
    margin-top: 10px;
  }
}

@media (max-width: 767px) {
  .brand-banner-txt {
    width: 100%;
    box-sizing: border-box;
    position: initial;
    padding-top: 25px;
    padding-bottom: 25px;
  }

  .brand-banner {
    min-height: auto;
  }
}

@media (max-width: 750px) {
  .brand-banner {
    -webkit-background-size: auto 100% !important;
    background-size: auto 100% !important;
  }

  .brand-banner-txt .cont {
    height: auto;
  }

  .brand-banner-txt .en {
    margin-bottom: 15px;
  }
}

@media (max-width: 414px) {
  .brand-top-tab li {
    width: 50%;
  }


  .brand-top-tab li a {
    font-size: 14px;
    padding: 4px 0;
  }
}