@charset "utf-8";

body {
  background: #f3f3f3;
}

i {
  font-style: normal;
}

.contain {
  width: 1200px;
  margin: 0 auto;
  max-width: unset !important;
}

.mobile {
  display: none;
}

@media(max-width: 768px) {

  .contain {
    width: 100%;
  }

  .mobile {
    display: block;
  }
}

.preview-wrap {
  background: #ffffff;
  border: 1px solid #eeeeee;
}

.preview_header {
  padding: 30px;
  width: 1140px;
  margin-bottom: 20px;
}

.preview_header .book-img {
  width: 160px;
  height: 226px;
  margin-right: 30px;
  box-shadow: 0 2px 4px 0 #ebebeb;
  overflow: hidden;
}

.preview_header .book-img img {
  width: 100%;
  height: auto;
}

@media(max-width: 768px) {
  .preview-wrap {
    border: none;
  }

  .preview_header {
    padding: 20px 15px;
    width: 100%;
    margin-bottom: 10px;
    box-sizing: border-box;
    border: none;
  }

  .preview_header .book-img {
    width: 90px;
    height: 135px;
    margin-right: 12px;
  }

  .book-info {
    width: calc(100vw - 132px);
  }
}

.book-info .book-name {
  font-size: 24px;
  color: #222222;
  height: 32px;
  line-height: 32px;
  margin-bottom: 20px;
}

.book-info p {
  font-size: 14px;
  color: #444444;
  height: 20px;
  line-height: 20px;
  margin-bottom: 8px;
}

.book-info span {
  margin-right: 26px;
}

.book-action a {
  font-size: 16px;
  height: 22px;
  line-height: 22px;
  padding: 10px 24px;
  margin: 46px 20px 0 0;
}

@media(max-width: 768px) {
  .book-info .book-name {
    margin-bottom: 0;
    height: auto;
    max-height: 54px;
    font-size: 18px;
    color: #000000;
    line-height: 27px;
  }

  .book-info p {
    margin-top: 6px;
    margin-bottom: 0;
    height: auto;
    font-size: 12px;
    color: #666;
    line-height: 18px;
  }

  .book-info span {
    display: block;
    margin-right: 0;
  }

  .book-info i {
    display: inline-block;
    vertical-align: top;
    width: 66px;
    white-space: nowrap;
    overflow-x: hidden;
    color: #969696;
  }

  .book-action {
    position: fixed;
    z-index: 10;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
  }

  .book-action a {
    margin: 0;
    width: 100%;
    height: auto;
    box-sizing: border-box;
  }

  .book-action a+a {
    margin-top: 10px;
  }
}

.btn-primary {
  background: #e62112;
}

.btn-primary:hover {
  background: #fb5e52;
}

.btn-default-primary {
  border: 1px solid #e62112;
  border-radius: 4px;
  color: #e62112;
}

.btn-default-primary:hover {
  background-color: rgba(251, 94, 82, 0.2);
  border: 1px solid rgba(217, 34, 34, 0.2);
  color: #e62112;
}

.btn-default-primary:active {
  background-color: rgba(251, 94, 82, 0.2);
  color: #e62112;
}

.course_content {
  padding: 30px 47px;
  min-height: 500px;
  line-height: 40px;
  width: 712px;
}

.preview_contain {
  margin-bottom: 140px;
}

.book-area {
  min-height: 600px;
}

.book-detail {
  padding: 20px 32px;
  width: 824px;
  margin-right: 20px;
}

@media(max-width: 768px) {
  .book-area {
    padding-bottom: 24px;
    min-height: unset;
  }

  .book-detail {
    margin-right: 0;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .preview_contain {
    margin-bottom: 0;
  }
}

.preview-tab {
  height: 32px;
  border-bottom: 1px #e6e6e6 solid;
}

.preview-tab a {
  font-size: 16px;
  color: #444444;
  margin-right: 56px;
  line-height: 22px;
  height: 31px;
  display: inline-block;
  cursor: pointer;
}

.preview-tab a.active {
  color: #d92222;
  border-bottom: 2px #d92222 solid;
}

.preview-tab a:hover {
  color: #d92222;
}

@media(max-width: 768px) {
  .preview-tab {
    margin: 0 -15px;
    height: 48px;
    padding: 0 15px;
    border-bottom: 1px #e6e6e6 solid;
    white-space: nowrap;
    overflow: auto;
  }

  .preview-tab a {
    font-size: 14px;
    font-weight: bold;
    margin-right: 30px;
    height: 46px;
    line-height: 46px;
  }

  .preview-tab a.active {
    color: #E62112;
    border-bottom: 2px #E62112 solid;
  }

  .preview-tab a:hover {
    color: #E62112;
  }
}

.preview_contain .title {
  text-align: left;
  margin-bottom: 20px;
  position: relative;
  padding-left: 13px;
  font-size: 18px;
  color: #222222;
  height: 25px;
  line-height: 25px;
}

.preview_contain .title .line {
  position: absolute;
  width: 3px;
  height: 14px;
  display: block;
  left: 0;
  top: 46px;
  background: #e62112;
}

@media(max-width: 768px) {
  .preview_contain .title {
    margin-bottom: 12px;
    padding: 20px 0 0 10px;
    font-size: 16px;
    color: #444;
    height: auto;
    line-height: 22px;
  }

  .preview_contain .title .line {
    width: 2px;
    height: 16px;
    top: 23px;
    background: #e62112;
  }

  .bookIntro {
    font-size: 14px;
    color: #444444;
    letter-spacing: 0;
    line-height: 24px;
  }
}

.author-info {
  margin-bottom: 10px;
}

.author-headImg {
  width: 50px;
  height: 50px;
  margin-right: 10px;
}

.author-headImg img {
  width: 100%;
  height: 100%;
  border-radius: 100%;
}

.author-name {
  margin-bottom: 4px;
}

.author-name .name {
  font-size: 14px;
  color: #444444;
  margin-right: 12px;
}

.author-name .education {
  font-size: 14px;
  color: #888888;
}

.author-intro {
  font-size: 14px;
  color: #444444;
  line-height: 28px;
  max-width: 760px;
}

@media(max-width: 768px) {
  .book-catalog {
    padding-left: 0;
    padding-right: 0;
  }
}


.book-catalog-list .course_catalog {
  border-left: 0;
  margin-left: 0;
}

.book-catalog-list .sec_list,
.book-catalog-list .course_catalog_top .catalog_con {
  padding-left: 13px;
}

.book-catalog-list .catalog_num {
  display: none;
}

.book-catalog-list div.course_catalog_top .catalog_con {
  height: 36px;
  line-height: 36px !important;
  background: #f3f3f3 !important;
  width: 100%;
  color: #444444;
  font-size: 14px !important;
}

.book-catalog-list .sec_list li {
  font-size: 14px;
  color: #888888 !important;
  line-height: 28px;
}

.book-catalog-list .sec_list {
  padding: 10px 0 20px 13px;
}

.course_content {
  padding: 0;
  line-height: 40px;
  width: 100%;
}

.book-catalog-list .catalog_con,
.book-catalog-list .sec_list li {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course_content td {
  border: 1px solid #000;
  padding: 0 5px;
  font-size: 14px;
}

.course_catalog {
  border-left: 2px solid #ebebeb;
  margin-left: 38.5px;
}

.course_catalog li {
  position: relative;
}

.catalog_num {
  width: 20px;
  height: 20px;
  position: absolute;
  left: -11px;
  top: 2px;
  border-radius: 10px;
  background-color: #9ecbe0;
}

.course_catalog_top h4 {
  line-height: normal;
  color: #ea5947;
  font-size: 18px;
  float: left;
  padding-left: 27px;
}

.course_catalog_top a {
  line-height: normal;
  color: #ea5947;
  font-size: 18px;
  padding-left: 27px;
  display: block;
}

.catalog_link .lab-title {
  float: left;
  width: 500px;
}

.catalog_link .experience {
  width: 80px;
  height: 26px;
  float: right;
  margin-left: 10px;
  color: #fff;
  line-height: 26px;
  font-size: 12px;
  text-align: center;
  background-color: #ea5947;
  border-radius: 20px;
}

.catalog_link .experience:hover {
  background-color: #ee7a6c;
}

.catalog_link .experience:active {
  background-color: #ca3725;
}

.course_catalog_top .catalog_con {
  line-height: 24px;
  color: #444;
  font-size: 16px;
  float: left;
  padding-left: 40px;
}

.course_catalog_bottom {
  height: auto;
}

@media(max-width: 768px) {
  .course_catalog {
    margin-left: 16px;
  }

  .book-catalog-list {
    font-size: 14px;
    color: #444444;
    line-height: 24px;
  }

  .catalog_num {
    width: 8px;
    height: 8px;
    left: -5px;
    top: 10px;
  }

  .course_catalog_top .catalog_con {
    padding-left: 16px;
    font-size: 14px;
    line-height: 28px;
  }
}

.sec_list {
  padding: 15px 0 30px 40px;
}

.sec_list li {
  font-size: 14px;
  color: #444;
  line-height: 30px;
}

.hot-book {
  padding: 20px;
  width: 248px;
}

@media(max-width: 768px) {
  .hot-book {
    margin-top: 10px;
    padding: 0 15px 24px;
    width: 100%;
    box-sizing: border-box;
  }
}

.hot-book-title .title {
  padding-top: 0;
}

.hot-book-title .title .line {
  top: 7px;
}

.hot-book-title .checkMore {
  height: 25px;
  font-size: 12px;
  color: #444444;
  line-height: 25px;
}

@media(max-width: 768px) {
  .hot-book-title .title {
    padding-top: 20px;
  }

  .hot-book-title .title .line {
    top: 23px;
  }

  .hot-book-title .checkMore {
    padding-top: 20px;
    height: 22px;
    line-height: 22px;
  }
}

.hot-book .book-item {
  margin: 10px 0 20px 0;
  border-bottom: 2px dashed #ebebeb;
  padding-bottom: 30px;
}

.hot-book .book-item:last-child {
  margin-bottom: 10px;
  border-bottom: 0;
  padding-bottom: 0;
}

.img-bg {
  display: none;
}

.hot-book .book-img {
  box-shadow: 0 2px 4px 0 #ebebeb;
  width: 70px;
  height: 100px;
  position: relative;
}

.hot-book .book-img img {
  width: 100%;
  height: 100%;
}

.hot-book .book-item a:hover .img-bg {
  position: absolute;
  background: #e62112;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
  opacity: 0.5;
  filter: alpha(opacity=50);
  width: 70px;
  height: 100px;
  top: 0;
  left: 0;
  display: block;
  width: 70px;
  opacity: 0.5;
  filter: alpha(opacity=50);
}

.hot-book .book-item a:hover .book-name {
  color: #e62112;
}

.hot-book .book-info {
  width: 162px;
  margin-left: 14px;
}

.hot-book .book-info p {
  font-size: 12px;
  color: #888888;
  height: 18px;
  line-height: 18px;
  margin-bottom: 4px;
}

.hot-book p.book-name {
  font-size: 14px;
  color: #444444;
  line-height: 20px;
  max-height: 40px;
  margin-bottom: 8px;
  height: auto;
}

@media(max-width: 768px) {
  .hot-book .book-item {
    margin: 0 0 20px 0;
    border-bottom: none;
    padding-bottom: 0;
  }

  .hot-book .book-img {
    width: 90px;
    height: 135px;
  }

  .hot-book .book-info {
    margin-left: 12px;
    width: calc(100vw - 132px);
  }

  .hot-book .book-info p.book-name {
    margin-top: 0;
    margin-bottom: 18px;
    max-height: 3em;
    font-size: 18px;
    color: #000000;
    letter-spacing: 0;
    line-height: 1.5;
  }

  .hot-book .book-info p {
    margin-bottom: 0;
    font-size: 12px;
    color: #666666;
    letter-spacing: 0;
    line-height: 18px;
  }
}


#expericebtn,
.application {
  display: none;
}

.guding {
  position: fixed;
  top: 0;
}

.application-body {
  background: #ffffff;
  box-shadow: 0 2px 7px 4px #968e8e;
  border-radius: 4px;
  width: 534px;
}

.application-head {
  padding: 30px 20px 10px 30px;
  border-bottom: 1px solid #ebebeb;
}

.application-title {
  font-size: 18px;
  color: #222222;
  height: 25px;
  line-height: 25px;
}

.application-head .dl-close {
  top: 30px;
  right: 25px;
}

.application-content {
  padding: 12px 30px 46px;
  font-size: 14px;
  color: #222222;
  line-height: 36px;
}

.applicationBtn {
  color: #d92222;
  text-decoration: underline;
  cursor: pointer;
}

@media(max-width: 768px) {
  .application-body {
    max-width: 100%;
  }

  .application-head {
    padding: 15px 20px;
  }

  .application-title {
    font-size: 16px;
  }

  .application-head .dl-close {
    top: 15px;
    right: 20px;
  }

  .application-content {
    padding: 15px 20px 20px;
    line-height: 28px;
  }
}

/* 申请样书 确认表单 */

.sample-item_input {
  border: 1px solid #ddd;
  padding: 2px 0.5em;
  line-height: 18px;
  margin-bottom: 16px;
  width: 250px;
}

.sample-form {
  text-align: center;
}

.sample-form_inner {
  text-align: left;
  display: inline-block;
}

.sample-item {
  font-size: 0;
  margin-bottom: 5px;
  line-height: 1.2;
}

.sample-item_label {
  display: inline-block;
  font-size: 14px;
  width: 85px;
  text-align: center;
  font-weight: 600;
}

.sample-item_entity {
  display: inline-block;
  font-size: 14px;
  position: relative;
}

.sample-submit_wrap {
  /* margin-top: 16px; */
  text-align: center;
}

.sample-submit {
  font-size: 16px;
  line-height: 24px;
  padding: 4px 1em;
  background-color: #008ef5;
  border: none;
  color: #fff;
  font-weight: 600;
  text-align: center;
}

.sample-input_error {
  border-color: #f00;
}

.sample-input_msg {
  color: #f00;
  position: absolute;
  bottom: 0;
  font-size: 12px;
  line-height: 1;
}

.erweima-img {
  margin: 40px 55px 0 0;
  text-align: center;
}

@media(max-width: 768px) {
  .erweima-img {
    display: none;
  }
}

.erweima-img img {
  width: 120px;
  height: 120px;
  display: block;
}

.erweima-img p {
  margin-top: 6px;
}

p.down-app-tip {
  margin-top: 4px;
}

.catalog-chapter-list {
  border: 0;
}

.catalog-chapter-title,
.catalog-page {
  padding: 0 0 0 10px;
  font-size: 14px;
  color: #444444;
}

.catalog-chapter-title {
  background: #f3f3f3;
  margin-bottom: 10px;
  height: 36px;
  line-height: 36px;
}

.catalog-page {
  margin: 7px 0;
}

.catalog-chapter {
  margin-bottom: 20px;
}

@media(max-width: 768px) {
  .tabs {
    height: 42px;
    padding: 0 15px;
    line-height: 42px;
    font-size: 12px;
    color: #444444;
    background: #F8F8F7;
  }

  #resourceTab {
    table-layout: fixed;
  }

  .res-title-cell {
    white-space: nowrap;
    overflow: hidden;
  }

  .resourceName,
  .folderName {
    width: calc(100% - 38px);
  }
}