/* 工具书 */
.rb-header {
  background-color: #002060;
  overflow: hidden;
  position: relative;
}

.rb-header>.btn {
  width: 12.5%;
  height: 8%;
  background-color: #000;
  position: absolute;
  right: 6.5%;
  bottom: 29.5%;
  border-radius: 35px;
  opacity: 0;
  cursor: pointer;
}


.reference-book {
  height: 650px;
  margin: 0 6%;
  position: relative;
}

.reference-book:after {
  background: url(../img/referenceBook/book.png) right 50px no-repeat;
  background-size: auto 80%;
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  right: -45px;
  height: 100%;
  width: 100%;
  z-index: 0;
}

.reference-book .main {
  position: relative;
  z-index: 1;
}

.reference-book .title {
  padding-top: 100px;
}

.reference-book .title img {
  vertical-align: top;
  height: 65px;
}

.reference-book .profile {
  color: #FFF;
  font-size: 26px;
  margin-top: 40px;
  line-height: 1.8;
}

.reference-book .download {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  margin-top: 80px;
  color: #fff;
  font-size: 24px;
  height: 50px;
  line-height: 50px;
  border-radius: 25px;
  background-color: #ed952e;
  padding: 0 45px;
}

.reference-book .download:hover {
  background-color: #f8a23e;
}

.related-links {
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  -moz-justify-content: space-between;
  -ms-justify-content: space-between;
  margin: -65px 6% 0;
  position: relative;
  z-index: 1;
}

.related-links .link-box {
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  box-shadow: 2px 4px 24px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  position: relative;
  width: 23.5%;
}

.related-links .link-box img {
  vertical-align: top;
  width: 100%;
}

.related-links .link-box p {
  background: rgba(0,0,0,0.3);
  color: #FFF;
  font-size: 22px;
  height: 50px;
  width: 100%;
  line-height: 50px;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
}

.related-links .link-box a:hover p {
  color: #e5a414;
}

/* 工具书视频 */
.book-video {
  align-items: flex-start;
  -webkit-align-items: flex-start;
  -moz-align-items: flex-start;
  -ms-align-items: flex-start;
  background: #FAFAFA;
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  position: relative;
  padding: 50px 6% 75px;
  margin-top: 80px;
}

.book-video .wenzi {
  width: 55%;
  margin-right: 8%;
}

.book-video .title {
  border-bottom: 1px solid #dedede;
  font-size: 30px;
  color: #E5A414;
  font-weight: bold;
  padding-bottom: 20px;
  position: relative;
}

.book-video .title:after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: #E5A414;
  width: 80px;
  height: 4px;
}

.book-video .content {
  font-size: 18px;
  color: #444444;
  padding: 40px 0;
  line-height: 1.8;
}

.book-video .operate {
  margin-top: 20px;
}

.book-video .operate .button {
  box-sizing: border-box;
  border-radius: 6px;
  display: inline-block;
  *display: inline;
  *zoom: 1;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  font-size: 20px;
  height: 54px;
  line-height: 54px;
  text-align: center;
  padding: 0 25px;
}

.book-video .operate .button + .button {
  margin-left: 40px;
}

.book-video .operate .button.receive, .upload-evidence .select-btn {
  background-color: #E5A414;
  color: #FFF;
}

.book-video .operate .button.receive:hover, .upload-evidence .select-btn:hover {
  background-color: #F2B225;
}

.book-video .operate .button.disabled, .download.disabled {
  background-color: #ccc!important;
  cursor: not-allowed!important;
  color: #aaa!important;
}

.book-video .operate .button.noreceive {
  border: 1px solid #C5C5C5;
  color: #C5C5C5;
}

.book-video .operate .button.noreceive:hover {
  background-color: #FFF;
}

.book-video .video {
  box-shadow: rgba(0, 0, 0, 0.25) 0 4px 10px;
  margin-top: 30px;
  position: relative;
  font-size: 0;
  width: 37%;
  z-index: 1;
}

.book-video .video img {
  width: 100%;
  vertical-align: top;
}

.upload-evidence {
  text-align: center;
  margin: 50px 0;
}

.upload-evidence .select-btn {
  background-color: #E5A414;
}

.upload-evidence .explain {
  margin: 30px auto 0;
  width: 430px;
}

.upload-evidence .explain p {
  color: #666;
  font-size: 14px;
  text-align: left;
}

.upload-evidence .explain p + p {
  margin-top: 5px;
}

/* 反馈与联系 */
.feedback {
  padding: 60px 6% 65px;
}

.feedback .title {
  font-size: 34px;
  font-weight: bold;
  text-align: center;
}

.feedback .ways {
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  -moz-justify-content: space-between;
  -ms-justify-content: space-between;
  margin-top: 50px;
}

.feedback .way-box {
  background: url(../img/referenceBook/bg_feedback.png) #e9e9ea left bottom no-repeat;
  background-size: 100%;
  border-radius: 6px;
  overflow: hidden;
  width: 30.33%;
  height: 200px;
  position: relative;
}

.feedback .way-box a {
  display: block;
  height: 100%;
}

.feedback .way-box:before {
  background: url(../img/referenceBook/icon_feedback.png) no-repeat;
  content: '';
  display: block;
  left: 4%;
  top: 15px;
  height: 50px;
  position: absolute;
}

.feedback .way-box.email:before {
  background-position: -6px 0;
  width: 54px;
}

.feedback .way-box.wechat:before {
  background-position: -74px 0;
  width: 51px;
}

.feedback .way-box.ada:before {
  background-position: -139px 0;
  width: 55px;
}

.feedback .way-box .content {
  left: 0;
  top: 50%;
  color: #444;
  margin-top: -30px;
  position: absolute;
  width: 100%;
  text-align: center;
}

.feedback .way-box .content .name {
  font-size: 20px;
  font-weight: bold;
}

.feedback .way-box .content .detail {
  font-size: 16px;
  font-weight: lighter;
  margin-top: 5px;
}


/* 关于我们 */
.aboutUs {
  background-color: #E5A414;
}

.about span {
  color: #FFF;
}

.about div {
  color: rgba(255, 255, 255, 0.6)
}