.tabs {
  display: flex;
  align-items: center;
  justify-content: center;
}
.tabs .tab {
  width: 135px;
  height: 45px;
  background: #efefef;
  
  color: #333;
  font-size: 16px;
  margin: 55px 0;
  cursor: pointer;
}
.tabs .tab:first-child {
  margin-right: 25px;
}
.tabs .tab.active {
  color: #fff;
  background: #dd5a27;
}
.tabs .tab a{
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;

}
.box {
  width: 100%;
  margin: 0 auto;
}
.box .items {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.box .items .item {
  width: 385px;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e2e2;
  margin-top: 30px;
}

.box .items .item img {
  width: 260px;
  height: 260px;
  margin: 30px 0;
}

.box .items .item .title {
  width: 100%;
  height: 106px;
  line-height: 106px;
  text-align: center;
  color: #333333;
  font-size: 18px;
  position: relative;
}
.box .items .item .title::before {
  content: "";
  width: 330px;
  height: 1px;
  background: #e2e2e2;
  position: absolute;
  top: 0;
  left: 27px;
}
.box .items .item:hover .title {
  background: #efefef;
}

.page-box {
  padding: 100px 0;
  margin-top: 0;
}
main {
  width: 1200px;
  height: auto;
  margin: 0 auto;
}
main .tabs {
  display: flex;
  justify-content: flex-start;
}
main .book-detail {
  width: 100%;
  /* height: 430px; */
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

main .book-detail .left img {
  width: 495px;
  height: 430px;
  object-fit: contain;
}

main .book-detail .right {
  max-width: 690px;
  height: 430px;
  background: #ffffff;
  border: 1px solid #e2e2e2;
  padding: 50px 35px 0 50px;
  color: #333;
}

.book-detail .right .title {
  font-size: 24px;
}
.book-detail .right p {
  font-size: 14px;
  padding-top: 50px;
}

.book-detail .right .desc {
  line-height: 30px;
  font-weight: 400;
  margin-top: 20px;
}

.summary-of-details {
  width: 100%;
  background: #efefef;
  margin-top: 70px;
  padding-bottom: 70px;
  margin-bottom: 65px;
}

.summary-of-details .title {
  width: 167px;
  height: 48px;
  line-height: 48px;
  background: #ffffff;
  font-size: 24px;
  color: #333;
  text-align: center;
  background: url(../img/bg-1.png) no-repeat;
  background-size: 100% 100%;
}

.summary-of-details .content {
  font-size: 18px;
  color: #000000;
  line-height: 36px;
  font-family: Source Han Sans CN;
  margin-top: 56px;
  margin: 56px 40px 0 40px;
}

.summary-of-details .content img {
  max-width: 100%;
}

/* 联系我们 */
main .info {
  text-align: center;
  margin-top: 60px;
}
main .info h3 {
  color: #dd5a27;
  font-size: 35.56px;
  font-weight: bold;
}
main .info h3 span {
  color: #333333;
}
main .info p {
  color: #333;
  font-size: 14px;
}

main .info .tip {
  font-size: 18px;
  color: #858585;
  margin-top: 20px;
}
main .called {
  width: 100%;
  height: 378px;
  background: #f7f7f7;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  margin-top: 30px;
}

main .called .title {
  font-size: 22.67px;
  color: #333333;
  margin-bottom: 30px;
}

main .called .tel {
  color: #dd5a27;
  font-size: 51.26px;
  margin-bottom: 47px;
}
main .called .address {
  width: 370px;
  text-align: center;
  font-size: 16px;
  color: #333333;
  line-height: 36px;
  font-weight: 400;
}
.social-share {
  
  margin-top: 44px;
}
.social-share .social-share-icon{
    width: 55px;
    height: 55px;
    background: url('../img/wechat.png') no-repeat;
    background-position: center center;
    background-size: 100% 100%;
    border: none;
}
.social-share .social-share-icon::before{
  display: none;
}
.social-share .icon-wechat:hover {
  background: url('../img/wechat.png') no-repeat;
    background-position: center center;
    background-size: 100% 100%;
}
main .map {
  width: 100%;
  height: 505px;
  margin-top: 25px;
  margin-bottom: 65px;
}


/* 大于960 小于1200 */

@media screen and (min-width: 600px) {
  main {
    width: 500px;
    margin: 0 auto;
  }
  .box .items .item {
    width: 100%;
    flex-wrap: wrap;
  }
  .box .items .item .title::before {
    width: 430px;
  }
  main .book-detail {
    flex-wrap: wrap;
  }
  .summary-of-details .imgs img {
    width: 100%;
  }
}
@media screen and (min-width: 900px) {
  /* 逗号表示或关系，and表示与 */
  main {
    width: 900px;
    margin: 0 auto;
  }
  .box .items .item {
    width: 48%;
    flex-wrap: wrap;
  }
  .box .items .item .title::before {
    width: 380px;
  }
  main .book-detail .left img {
    width: 350px;
  }
  .summary-of-details .imgs img {
    width: 48%;
  }
}
@media screen and (min-width: 1200px) {
  /* 逗号表示或关系，and表示与 */
  main {
    width: 1200px;
    margin: 0 auto;
  }
  .box .items .item {
    width: 385px;
    height: auto;
  }
  .box .items .item .title::before {
    width: 330px;
  }
  
}
@media (max-width: 750px) {
  main {
    width: 90%;
    margin: 0 auto;
  }
  .box .items .item {
    width: 100%;
    flex-wrap: wrap;
  }
  .box .items .item:first-child{
    margin-top: 0;
  }
  .box .items .item .title::before {
    width: 260px;
  }
  main .book-detail {
    flex-wrap: wrap;
  }
  main .book-detail .left {
    width: 100%;
  }
  main .book-detail .left img {
    width: 100%;
    height: 350px;
    margin: 0 auto;
  }
  main .book-detail .right{
    width: 100%;
    padding: 20px;
    height: auto;
  }
  .book-detail .right p{
    padding-top: 20px;
  }
  .summary-of-details {
    width: 100%;
    margin-top: 30px;
    padding-bottom: 20px;
    margin-bottom: 35px;
  }
  .summary-of-details .imgs img {
    width: 100%;
    
  }
  .summary-of-details .content {
    font-size: 14px;
    color: #000000;
    line-height: 2;
    font-family: Source Han Sans CN;
    margin-top: 26px;
    margin: 20px;
  }
  .summary-of-details .imgs{
    margin: 20px ;
  }
  main .called .tel {
    font-size: 30px;
  }
  main .called .address {
    width: 90%;
    font-size: 14px;
  }
  .tabs .tab{
    margin: 20px 0;
  }
  .book-detail .right .title,.summary-of-details .title{
    font-size: 18px;
  }
  .summary-of-details .title{
    width: 140px;
  }
  main .info {
    margin-top: 20px;
  }
  main .info h3 {
    font-size: 20px;
  }
  main .map {
    width: 100%;
    height: 405px;
    margin-top: 25px;
    margin-bottom: 25px;
  }
  main .info p{
    font-size: 12px;
  }
  main .called .title {
    font-size: 18px;
    margin-bottom: 10px;
  }
  main .called .tel {
    font-size: 20px;
    margin-bottom: 20px;
  }
  

  main .called {
      height: auto;
      padding: 20px 0;
      margin-top: 30px;
  }
  .social-share{
    margin-top: 20px;
  }
}