/* 导航 */
.news-nav {
  display: none;
  gap: 5vw;
  padding: 5vw 5vw 0px 5vw;
}
.news-nav .news-nav-item {
  cursor: pointer;
  font-size: 0.83vw;
  padding: 0px 5vw;
  height: 2.6vw;
  line-height: 2.6vw;
  background-color: #e1e1e1;
  transition: color 0.3s ease-in-out, background-color 0.3s ease-in-out;
  font-size: calc(0.83vw * 4);
  height: calc(2.6vw * 4);
  line-height: calc(2.6vw * 4);
}
.news-nav .news-nav-item:hover,
.news-nav .news-nav-item.active {
  color: #fff;
  background-color: #ce2222;
}

/* 服务标准 */
.service-standard {
  padding: 3vw 13vw;
}
.service-standard .service-standard-tit {
  font-size: 1.51vw;
  text-align: center;
}
.service-standard .service-standard-desc {
  font-size: 0.83vw;
  color: #4a4a4a;
  text-align: center;
  margin-top: 1.5vw;
}
.service-standard .service-standard-list {
  height: 29.43vw;
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-top: 2vw;
  background-image: url(../img/service/service-standard-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.service-standard .service-standard-list dl {
  flex: 1;
  padding-left: 4vw;
  cursor: pointer;
}
.service-standard .service-standard-list dt {
  display: flex;
  flex-direction: column;
  color: #fff;
  font-size: 0.83vw;
  padding-left: 0.42vw;
}
.service-standard .service-standard-list dd {
  height: 6vw;
  border-left: 0.21vw solid #fff;
  transition: height 0.3s ease-in-out;
}
.service-standard .service-standard-list dl.active dd {
  height: 18vw;
}

/* 监管体系 */
.supervision-system {
  padding: 4vw 13vw;
  height: 36.88vw;
  text-align: center;
  background-image: url(../img/service/supervision-system-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.supervision-system .supervision-system-tit {
  font-size: 1.51vw;
  color: #fff;
  text-align: center;
}
.supervision-system .supervision-system-desc {
  font-size: 0.83vw;
  line-height: 1.51vw;
  color: #fff;
  text-align: center;
  margin-top: 1.5vw;
}

/* 无忧售后 */
.after-sale {
  padding: 3vw 13vw;
}
.after-sale .after-sale-tit {
  font-size: 1.51vw;
  text-align: center;
}
.after-sale .after-sale-desc {
  font-size: 0.83vw;
  color: #4a4a4a;
  text-align: center;
  margin-top: 1.5vw;
}
.after-sale .after-sale-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5vw;
  margin-top: 2vw;
}
.after-sale .after-sale-item {
  background-color: #f4f4f4;
  background-position: right bottom;
  padding: 3vw 2.5vw;
}
.after-sale .after-sale-item.bg-fuwu {
  background-image: url(../img/service/after-sale-fuwu.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.after-sale .after-sale-item.bg-weixiu {
  background-image: url(../img/service/after-sale-weixiu.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.after-sale .after-sale-item.bg-baoyang {
  background-image: url(../img/service/after-sale-baoyang.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.after-sale .after-sale-item.bg-huifang {
  background-image: url(../img/service/after-sale-huifang.png);
  background-size: cover;
  background-repeat: no-repeat;
}
.after-sale .after-sale-item h2 {
  font-size: 5.21vw;
  line-height: 5.21vw;
  color: #b8b8b8;
  font-weight: normal;
}
.after-sale .after-sale-item h4 {
  font-size: 1.15vw;
  line-height: 1.15vw;
  color: #000000;
  margin-top: 1.5vw;
  margin-bottom: 1.5vw;
}
.after-sale .after-sale-item p {
  font-size: 0.73vw;
  line-height: 0.73vw;
  color: #787878;
  margin-top: 0.5vw;
}

/* 1000px */
@media screen and (max-width: 1000px) {
  /* 导航 */
  .news-nav {
    display: flex;
  }
  
  /* 服务标准 */
  .service-standard {
    padding: 6vw 5vw;
  }
  .service-standard .service-standard-tit {
    font-size: calc(1.51vw * 4);
  }
  .service-standard .service-standard-desc {
    font-size: calc(0.83vw * 4);
  }

  /* 监管体系 */
  .supervision-system {
    padding: 6vw 5vw;
    height: calc(36.88vw * 2);
  }
  .supervision-system .supervision-system-tit {
    font-size: calc(1.51vw * 4);
  }
  .supervision-system .supervision-system-desc {
    font-size: calc(0.83vw * 4);
    line-height: calc(1.51vw * 4);
    margin-top: calc(1.5vw * 4);
  }

  /* 无忧售后 */
  .after-sale {
    padding: 6vw 5vw;
  }
  .after-sale .after-sale-tit {
    font-size: calc(1.51vw * 4);
  }
  .after-sale .after-sale-desc {
    font-size: calc(0.83vw * 4);
  }
  .after-sale .after-sale-list {
    grid-template-columns: repeat(1, 1fr);
    gap: calc(2.5vw * 2);
    margin-top: calc(2vw * 2);
  }
  .after-sale .after-sale-item {
    padding: calc(3vw * 2) calc(2.5vw * 2);
  }
  .after-sale .after-sale-item h2 {
    font-size: calc(5.21vw * 2);
    line-height: calc(5.21vw * 2);
  }
  .after-sale .after-sale-item h4 {
    font-size: calc(1.15vw * 3);
    line-height: calc(1.15vw * 3);
    margin-top: calc(1.5vw * 3);
    margin-bottom: calc(1.5vw * 3);
  }
  .after-sale .after-sale-item p {
    font-size: calc(0.73vw * 4);
    line-height: calc(0.73vw * 4);
    margin-top: calc(0.5vw * 4);
  }
}