.bobo-service1 {
  padding: 90px 0 20px;
  background: #fff;
  text-align: center;
}

.bobo-service1 h3 {
  font-size: 36px;
  line-height: 1;
  font-weight: 700;
}

.bobo-service1 p {
  margin-top: 40px;
  font-size: 20px;
  line-height: 1.8;
}
.qianhe-goods-nav {
  position: relative;
}
.container_left{
  width: 300px;
  position: absolute;
  left: 40px;
  top: 70px;
}
.container_left li{
  line-height: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  color: #000;
  font-size: 16px;
  cursor: pointer;
  font-weight: 400;
  font-family: var(--font-family);
  border-top: 1px solid #efefef;
}
.container_left li a{
  text-align: left;
}
.container_left li:last-child{
  border-bottom: 1px solid #efefef;
}

.container_left li:hover,
.container_left li:hover i{
  color: var(--color-primary);
}
@media screen and (max-width: 1500px) {
  .bobo-service1 h3 {
    font-size: 32px;
  }
  .bobo-service1 p {
    font-size: 18px;
  }
}

@media screen and (max-width: 1280px) {
   .container_left{
    width: 200px;
  }
  .bobo-service1 h3 {
    font-size: 28px;
  }
  .bobo-service1 p {
    font-size: 16px;
  }
}

@media screen and (max-width: 992px) {
  .container_left{
    width: 100%;
    position: static;
    top: 0;
    left: 0;
    margin-bottom: 30px;
  }
  .bobo-service1 {
    padding: 60px 0;
  }
  .bobo-service1 h3 {
    font-size: 24px;
  }
  .bobo-service1 p {
    font-size: 16px;
  }
}

@media screen and (max-width: 768px) {
  .bobo-service1 h3 {
    font-size: 28px;
  }

  .bobo-service1 {
    padding: 30px 0;
  }

  .bobo-service1 p {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.3;
  }
}

@media screen and (max-width: 576px) {
  .bobo-service1 h3 {
    font-size: 24px;
  }
}