html {
  background-color: #f6f6f6;
}
.banner {
  min-width: 1193px;
  height: 400px;
  background-image: url(../images/banner_product.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
}
.content {
  width: 1193px;
  min-height: 1074px;
  margin: 0 auto;
  padding: 20px 0;
}
.content .flexBox_l {
  min-width: 134px;
  height: 460px;
}
.content .flexBox_l .flexBox_l_hd {
  padding: 5px;
  border-radius: 5px;
  box-sizing: border-box;
  background-color: #fff;
}
.content .flexBox_l .flexBox_l_hd .head {
  height: 50px;
  line-height: 50px;
  background-color: #1380eb;
  border-radius: 5px;
  color: #fff;
  text-align: center;
}
.content .flexBox_l .flexBox_l_hd .head img {
  vertical-align: middle;
  margin-top: -2.7%;
  margin-right: 5px;
}
.content .flexBox_l li a {
  display: block;
  text-align: center;
  height: 50px;
  line-height: 50px;
  color: #7e7e7e;
  font-size: 15px;
  padding: 0 20px;
  border-top: 1px solid #eaeaea;
  box-sizing: border-box;
  cursor: pointer;
  position: relative;
}
.content .flexBox_l li .active {
  color: #1380eb;
}
.content .flexBox_l li .active::before {
  content: '';
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-left: 8px solid #d5d5d5;
  border-bottom: 6px solid transparent;
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
}
.content .flexBox_l li:first-child {
  border: none;
}
.content .flexBox_l .flexBox_l_ft a {
  display: block;
  height: 50px;
  line-height: 50px;
  border-radius: 5px;
  background-color: #fff;
  color: #7e7e7e;
  font-size: 15px;
  margin-top: 10px;
  text-align: center;
  position: relative;
  cursor: pointer;
}
.content .flexBox_l .flexBox_l_ft a img {
  vertical-align: middle;
  margin-right: 5px;
}
.content .flexBox_l .flexBox_l_ft .active {
  color: #1380eb;
}
.content .flexBox_l .flexBox_l_ft .active::before {
  content: '';
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-left: 8px solid #d5d5d5;
  border-bottom: 6px solid transparent;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
}