body {
  color: #555;
  font: 16px "microsoft yahei";
  background: #ebe7e7;
}

* {
  margin: 0;
  padding: 0;
}

img {
  border: none;
  max-width: 100%;
}

a {
  color: #555;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}

a:hover {
  text-decoration: none;
  color: #666;
}

ul,
li {
  list-style: none;
}

h2,
h1,
h3,
h4,
h5,
strong,
b,
i,
em {
  font-weight: normal;
  font-size: 14px;
  font-style: normal;
}

input {
  cursor: pointer;
  width: 100%;
  border: 0;
  font-size: 14px;
  outline: none;
  line-height: 20px;
  height: 20px;
}

input[type="button"],
input[type="submit"],
input[type="reset"] {
  -webkit-appearance: none;
}

input:focus,
textarea:focus {
  outline: none;
}

video {
  border: 0;
}

textarea,
select {
  -webkit-appearance: none;
  outline: none;
  border: 0;
  width: 100%;
  resize: none;
  font: 14px "microsoft yahei";
}

/******* index *****/
/*.index{*/
/*    margin-top:87px;*/
/*}*/
.index .index_banner_mobile {
  background: url("banner.jpg") no-repeat center top;
  background-size: cover;
  height: 702px;
  padding-top: 10px;
  display: block;
  margin-bottom: 30px;
}
.index .index_banner_mobile .index_search {
  background: #fff;
  border-radius: 40px;
  height: 35px;
  margin: 10px;
  display: none;
}
.index .index_banner_mobile .index_search i {
  float: right;
  color: #999;
  font-size: 20px;
  margin: 6px 10px 0 0;
}
.index .index_banner_mobile .index_search span {
  display: block;
  margin: 0 40px 0 10px;
  line-height: 35px;
}
.index .index_banner_mobile .index_search span input {
  height: 20px;
  line-height: 20px;
  background: none;
}

.index .title {
  margin-bottom: 10px;
  text-align: center;
}

.index .title h1 {
  width: auto;
  margin: 0 auto;
  position: relative;
}

.index .title h1:before,
.index .title h1:after {
  content: " ";
  display: inline-block;
  width: 110px;
  height: 5px;
  display: inline-block;
  vertical-align: middle;
  margin: -5px 25px 0 0;
  background: linear-gradient(left, #ebe7e7, #ffba00);
  background: -webkit-linear-gradient(left, #ebe7e7, #ffba00);
  background: -moz-linear-gradient(left, #ebe7e7, #ffba00);
}

.index .title h1:after {
  margin: -5px 0 0 25px;
  background: linear-gradient(left, #ffba00, #ebe7e7);
  background: -webkit-linear-gradient(left, #ffba00, #ebe7e7);
  background: -moz-linear-gradient(left, #ffba00, #ebe7e7);
}

.index .title h1 span {
  font-size: 24px;
  font-weight: bold;
  color: #555;
  letter-spacing: 5px;
}

.index .title h1 span b {
  color: #ffba00;
  font-size: 24px;
  font-weight: bold;
}

.index .title h2 {
  margin: 0;
}

.index .title h2 span {
  display: inline-block;
  border-bottom: 2px solid #ffba00;
  line-height: 25px;
  color: #555;
  font-size: 12px;
}

.index .title h3 {
  text-align: right;
  margin: 0;
}

.index .title h3 a {
  display: block;
}

.txt {
  font: 14px "microsoft yahei";
}
.popularExhibits {
  margin-top: 30px;
}

.popularExhibits .row {
  background: #dad7d7;
  padding: 25px 15px 5px 15px;
  clear: both;
}

.popularExhibits .row .item {
  text-align: center;
  margin-bottom: 20px;
}

.popularExhibits .row .item .pic {
  position: relative;
}

.popularExhibits .row .item .pic span {
  height: 258px;
  background-size: cover;
  display: block;
  background-repeat: no-repeat;
}

.popularExhibits .row .item .pic img {
  width: 100%;
}

.popularExhibits .row .item .txt {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.56);
  color: #fff;
  display: table;
  display: none;
}

.popularExhibits .row .item .txt p {
  display: table-cell;
  vertical-align: middle;
}

.popularExhibits .row .item:hover .txt {
  display: table;
}

.exhibitionHall {
  margin-top: 50px;
}

.exhibitionHall .row {
  margin-top: 15px;
}

.exhibitionHall .row .item {
  text-align: center;
}

.exhibitionHall .row .item .pic {
  position: relative;
}

.exhibitionHall .row .item .pic img {
  width: 100%;
}

.exhibitionHall .row .item .txt {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  z-index: 999;
  color: #fff;
  display: table;
}

.exhibitionHall .row .item .txt p {
  display: table-cell;
  vertical-align: middle;
  font-weight: bold;
  font: 32px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
}

.exhibitionHall .row .item .txt p span {
  display: block;
  font: 14px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
  font-weight: normal;
  line-height: 15px;
}

/******* exhibitionHall_home *****/
.exhibitionHall_home {
  margin-top: 87px;
  padding: 10px 0;
}
.exhibitionHall_home .floor {
  margin-bottom: 30px;
  *height: 1%;
}

.exhibitionHall_home .floor:after {
  clear: both;
  content: ".";
  display: block;
  height: 0;
  line-height: 0;
  overflow: hidden;
}

.exhibitionHall_home .floor h1 {
  font-size: 20px;
  margin-bottom: 30px;
}

.exhibitionHall_home .floor h1:before {
  width: 2px;
  height: 15px;
  display: inline-block;
  vertical-align: middle;
  margin: -2px 5px 0 0;
  content: " ";
  background: #555;
}

.exhibitionHall_home .floor ul li {
  text-align: center;
}

.exhibitionHall_home .floor ul li .pic {
  position: relative;
}

.exhibitionHall_home .floor ul li .pic img {
  width: 100%;
  border-radius: 5px;
}

.exhibitionHall_home .floor ul li .txt {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  z-index: 999;
  color: #fff;
  display: table;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 5px;
}

.exhibitionHall_home .floor ul li .txt p {
  display: table-cell;
  vertical-align: middle;
  font-size: 24px;
  font-weight: bold;
}

.currentLocation {
  font-size: 16px;
}

/******* list *****/
.list .left {
  float: left;
}

.list .left a {
  background-size: cover;
  display: block;
  width: 350px;
  height: 209px;
  background-repeat: no-repeat;
}

.list .right {
  margin-left: 380px;
  box-sizing: border-box;
}

.list .item {
  border-bottom: 1px solid #777;
  *height: 1%;
  padding: 25px 0;
}

.list .item:after {
  clear: both;
  content: ".";
  display: block;
  height: 0;
  line-height: 0;
  overflow: hidden;
}

.list .item h1 {
  font-size: 20px;
}

.list .item h1 img {
  margin: -2px 0 0 5px;
}

.list .item p:after {
  background: #000;
  height: 2px;
  width: 100px;
  content: " ";
  display: block;
  margin-top: 10px;
}

.list .item h2 span {
  margin: 0 40px 0 0;
}

.list .item h2 span b {
  display: inline-block;
  vertical-align: middle;
  margin: -1px 2px 0 0;
}

.list .item h2 span.dianzan.cur {
  color: #ff6317;
}

.list .item h2 span.dianzan.cur.icon-buoumaotubiao16 {
  color: #ff6317;
}

.list .paging {
  text-align: center;
  margin: 60px 0;
}

.list .paging a,
.list .paging span {
  margin: 0 10px;
  font-size: 18px;
}

.list .paging a.cur,
.list .paging span.cur {
  background: #66a6ff;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 5px;
  display: inline-block;
  line-height: 40px;
}

/*******detail *****/
.detail {
  padding-bottom: 16px;
}
.detail_bg {
  background: #fff;
}

.detail .master {
  padding: 0;
}

.detail .master .master_title {
  text-align: center;
}

.detail .master .master_title h1 {
  font-size: 20px;
}

.detail .master .master_title h2 {
  margin: 5px 0;
}

.detail .master .master_txt {
  margin-top: 20px;
  line-height: 23px;
  margin-bottom: 20px;
}

.detail .master .master_txt p {
  color: #666;
  margin-bottom: 5px;
}

.detail .master .master_pic_mobile,
.detail .master .master_pic_pc {
  position: relative;
}

.detail .master .master_pic_mobile .praiseComment,
.detail .master .master_pic_pc .praiseComment {
  background: rgba(0, 0, 0, 0.4);
  position: absolute;
  left: 0;
  bottom: 0;
  text-align: right;
  line-height: 30px;
  height: 30px;
  color: #fff;
  width: 100%;
}

.detail .master .master_pic_mobile .praiseComment span,
.detail .master .master_pic_pc .praiseComment span {
  margin-right: 10px;
}
.detail .master .master_pic_mobile .praiseComment span.dianzan.cur,
.detail .master .master_pic_pc .praiseComment span.dianzan.cur {
  color: #ff7800;
}

.detail .master .master_pic_mobile .praiseComment span b,
.detail .master .master_pic_pc .praiseComment span b {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  vertical-align: middle;
  margin: -2px 5px 0 0;
}
.detail .master .master_pic_mobile .praiseComment span.dianzan.cur b,
.detail .master .master_pic_pc .praiseComment span.dianzan.cur b {
  color: #ff7800;
}

.detail .master .master_pic_mobile .praiseComment span i,
.detail .master .master_pic_pc .praiseComment span i {
  font-size: 12px;
}

.detail .master .master_pic_mobile {
  display: none;
}
.detail .master .master_pic_pc {
  text-align: center;
}
.detail .master .master_pic_pc .box {
  display: inline-block;
  position: relative;
}

.detail .comment .top h1 {
  font-size: 18px;
}

.detail .comment .top h1 span {
  float: right;
  color: #304368;
  font-size: 14px;
  display: none;
}

.detail .comment .top .title {
  display: none;
}

.detail .comment .top .textarea {
  border: 2px solid #0083c9;
  padding: 10px 15px;
}

.detail .comment .top .textarea textarea {
  height: 50px;
}

.detail .comment .top .btn {
  float: right;
  margin: 10px 0;
  padding: 0;
}

.detail .comment .top .btn a {
  background: #0083c9;
  color: #fff;
  width: 80px;
  line-height: 35px;
  height: 35px;
  display: inline-block;
  border-radius: 5px;
}

.detail .comment .bottom {
  clear: both;
}

.detail .comment .bottom .item {
  border-bottom: 1px solid #b5b4b3;
  padding: 15px 0;
}

.detail .comment .bottom .item .pic {
  float: left;
  width: 100px;
}

.detail .comment .bottom .item .pic img {
  border-radius: 100%;
  width: 95px;
  height: 95px;
}

.detail .comment .bottom .item .txt {
  margin: 0 0 0 120px;
}

.detail .comment .bottom .item .txt h1 span {
  float: right;
}

.detail .comment .bottom .item .txt h1 span b {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  vertical-align: middle;
  margin: -2px 5px 0 0;
}

.detail .comment .bottom .item .txt h1 span.cur {
  color: #ff7800;
}

.detail .comment .bottom .item .txt h1 span.cur b {
  color: #ff7800;
}

.detail .comment .bottom .item .txt h2 {
  color: #888;
}

.detail .principlesScience,
.detail .expandKnowledge {
  background: #f9f9f9;
  margin-bottom: 30px;
  border: 1px solid #b9b8b8;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  border-radius: 5px;
}

.detail .principlesScience .title,
.detail .expandKnowledge .title {
  padding: 10px;
  border-bottom: 1px solid #737171;
}

.detail .principlesScience .title h1,
.detail .expandKnowledge .title h1 {
  font-size: 18px;
  margin: 5px 0;
  color: #ff7200;
}

.detail .principlesScience .title h1 img,
.detail .expandKnowledge .title h1 img {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  vertical-align: middle;
  margin: -2px 5px 0 0;
}

.detail .principlesScience .title h2,
.detail .expandKnowledge .title h2 {
  color: #1c81a5;
  font-size: 18px;
  margin: 5px 0;
}

.detail .principlesScience .txt,
.detail .expandKnowledge .txt {
  padding: 10px;
  line-height: 25px;
}

.detail .principlesScience .pic,
.detail .expandKnowledge .pic {
  padding: 10px;
  text-align: center;
}

.detail .functionNav {
  background: #f9f9f9;
  margin-bottom: 30px;
  border: 1px solid #b9b8b8;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  border-radius: 5px;
  *height: 1%;
}

.detail .functionNav:after {
  clear: both;
  content: ".";
  display: block;
  height: 0;
  line-height: 0;
  overflow: hidden;
}

.detail .functionNav ul {
  padding: 20px 5px;
  overflow: auto;
}

.detail .functionNav ul li {
  text-align: center;
  width: 33.3%;
  float: left;
}

.detail .functionNav ul li a {
  display: block;
}

.detail .functionNav ul li a span {
  display: block;
  font-size: 16px;
  padding-top: 10px;
  border-top: 3px solid #002974;
}

.detail .priSci_expKno_click {
  display: none;
}

.sub-banner {
  background-size: cover;
  height: 250px;
  /*margin-top: 87px;*/
  margin-bottom: 20px;
  /* background-image: url("sub_banner.jpg"); */
}

/******* video *****/
.videos {
  display: none;
  position: fixed;
  left: 50%;
  top: 50%;
  margin: -300px 0 0 -500px;
  z-index: 100;
  width: 1100px;
  height: 500px;
}

.videos .vclose {
  position: absolute;
  right: 10px;
  top: 10px;
  cursor: pointer;
  color: #fff;
}

.videos span {
  color: #fff;
  position: absolute;
  left: 10px;
  top: 10px;
  font-size: 16px;
}

.videos .bg {
  z-index: -1;
  background: rgba(0, 0, 0, 0.6);
  top: 0;
  left: 0;
  position: fixed;
  width: 100%;
  height: 100%;
}

/******* audio *****/
.audio {
  display: none;
}

.audio .bg {
  z-index: 1;
  background: rgba(0, 0, 0, 0.6);
  top: 0;
  left: 0;
  position: fixed;
  width: 100%;
  height: 100%;
}

.audio .con {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 9999;
  text-align: center;
  width: 300px;
  height: 50px;
  margin: -25px 0 0 -150px;
}

/****** loading *****/
.dropload-up,
.dropload-down {
  position: relative;
  height: 0;
  overflow: hidden;
  font-size: 12px;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.dropload-down {
  height: 50px;
}

.dropload-refresh,
.dropload-update,
.dropload-load,
.dropload-noData {
  height: 50px;
  line-height: 50px;
  text-align: center;
}

.dropload-load .loading {
  display: inline-block;
  height: 15px;
  width: 15px;
  border-radius: 100%;
  margin: 6px;
  border: 2px solid #666;
  border-bottom-color: transparent;
  vertical-align: middle;
  -webkit-animation: rotate 0.75s linear infinite;
  animation: rotate 0.75s linear infinite;
}

@-webkit-keyframes rotate {
  0% {
    -webkit-transform: rotate(0deg);
  }
  50% {
    -webkit-transform: rotate(180deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/**** location ****/
.location {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: -1;
  opacity: 0;
}

.location .bg {
  background: rgba(0, 0, 0, 0.4);
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.location .con {
  overflow: hidden;
  position: relative;
  padding: 0;
  margin-top: -350px;
  top: 50%;
}

.location .con .viewer {
  -ms-touch-action: none;
  height: 700px;
  position: relative;
}

.location .con .viewer img {
  max-width: inherit;
}

.location .con .nav {
  position: absolute;
  right: 10px;
  top: 10px;
}

.location .con .nav ul li a {
  display: block;
  border-radius: 100%;
  text-align: center;
  width: 40px;
  height: 40px;
  /*background: #27d080;*/
  background: rgba(200, 200, 200, 0.9);
  color: #fff;
  line-height: 40px;
  margin-bottom: 10px;
}

.location .con .nav ul li.cur a {
  /*background: rgba(255, 255, 255, 0.9);*/
  /*color: #27d080;*/
  background: #27d080;
  color: #fff;
}

.location .iviewer_common {
  position: absolute;
  bottom: 10px;
  z-index: 5000;
}

.location .myLocation {
  background: url("map_icon.png") no-repeat center top;
  width: 40px;
  height: 40px;
  background-size: contain;
  left: 240px;
  top: 200px;
  position: absolute;
}

.location .iviewer_cursor {
  cursor: url(hand.cur) 6 8, pointer;
  background: #f1f1f1;
  border-radius: 10px;
}

.location .iviewer_drag_cursor {
  cursor: url(grab.cur) 6 8, pointer;
}

.location .iviewer_zoom_in {
  left: 10px;
  bottom: 60px;
  background: url("iviewer.zoom_in.png") no-repeat center top #27d080;
  background-size: cover;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 100%;
}

.location .iviewer_zoom_out {
  left: 10px;
  background: url("iviewer.zoom_out.png") no-repeat center top #27d080;
  background-size: cover;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 100%;
}

.location .iviewer_zoom_status {
  display: none;
}

.detail .priSci_expKno_box .bg i {
  display: none;
}
@media (max-width: 768px) {
  body {
    background: #fff;
  }

  /******* index *****/

  .index {
    margin-top: 0px;
  }
  .index .index_banner_mobile {
    height: 220px;
    margin-bottom: 0;
  }
  .index .index_banner_mobile .index_search {
    display: block;
  }

  .index .title {
    text-align: left;
    margin-bottom: 0;
    margin: 0 -15px;
    box-shadow: 0 4px 5px 0px rgba(0, 0, 0, 0.2);
    height: 40px;
    padding: 5px 10px 0 10px;
  }

  .index .title h1 {
    margin: 0;
    float: left;
    height: 30px;
    line-height: 30px;
  }

  .index .title h1 span {
    font-size: 18px;
    letter-spacing: 0;
    display: block;
    font-weight: normal;
  }

  .index .title h1 span b {
    font-size: 18px;
    color: #555;
    font-weight: normal;
  }

  .index .title h1 span:before {
    width: 2px;
    height: 15px;
    display: inline-block;
    vertical-align: middle;
    margin: -2px 5px 0 0;
    content: " ";
    background: #555;
  }

  .index .title h1:before,
  .index .title h1:after {
    width: 70px;
    margin: 0 10px 0 0;
    height: 3px;
    display: none;
  }

  .index .title h1:after {
    margin: 0 0 0 10px;
  }

  .index .title h2 {
    display: none;
  }

  .index .title h3 {
    float: right;
    height: 30px;
    line-height: 30px;
  }

  .popularExhibits {
    margin-top: 0;
    background: #fff;
  }

  .popularExhibits .row {
    padding: 0 10px 10px;
    background: #fff;
    box-shadow: 0 4px 5px 0px rgba(0, 0, 0, 0.2);
    margin-top: 10px;
  }

  .popularExhibits .row .item {
    padding: 5px;
    margin-bottom: 0;
  }

  .popularExhibits .row .item .pic span {
    height: 100px;
  }

  .popularExhibits .row .item .pic .txt {
    height: 25px;
    bottom: 0;
    top: inherit;
    display: table;
  }

  .exhibitionHall {
    background: #fff;
    margin-top: 10px;
  }

  .exhibitionHall .title {
    box-shadow: inherit;
  }

  .exhibitionHall .row {
    margin-top: 0;
    box-shadow: 0 4px 5px 0px rgba(0, 0, 0, 0.2);
  }

  .exhibitionHall .row .item {
    margin-bottom: 15px;
  }

  .exhibitionHall .row .item .txt p {
    margin-top: 30px;
    display: block;
    font: 26px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
    font-weight: bold;
  }

  .exhibitionHall .row .item .txt p span {
    font: 12px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
    font-weight: bold;
  }

  /******* exhibitionHall_home *****/
  .exhibitionHall_home {
    margin-top: 0px;
    padding: 0 10px;
  }

  .exhibitionHall_home .floor {
    margin-bottom: 10px;
    *height: 1%;
  }

  .exhibitionHall_home .floor:after {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    line-height: 0;
    overflow: hidden;
  }

  .exhibitionHall_home .floor h1 {
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: bold;
  }

  .exhibitionHall_home .floor ul li {
    padding: 0 5px;
  }

  .exhibitionHall_home .floor ul li .pic .txt p {
    font-size: 16px;
  }
  .exhibitionHall_home .floor ul li .pic img {
    height: 110px;
  }
  .exhibitionHall_home .floor ul li .txt {
    height: 110px;
  }

  .currentLocation {
    display: none;
  }

  /*******list *****/
  .list {
    padding: 10px;
  }

  .list .item {
    border: none;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    margin-bottom: 10px;
    padding: 10px;
  }

  .list .item .left {
    width: 105px;
  }

  .list .item .left a {
    width: auto;
    height: 95px;
  }

  .list .item .right {
    margin: 0 0 0 120px;
  }

  .list .item .right h1 {
    margin-top: 0;
    font-size: 16px;
  }

  .list .item .right p {
    margin-bottom: 0;
    font-size: 14px;
    height: 40px;
    overflow: hidden;
  }

  .list .item .right p:after {
    display: none;
  }

  .list .item .right h2 {
    margin-top: 10px;
    font-size: 12px;
    margin-bottom: 0;
  }

  .list .item .right h2 span i {
    display: none;
  }

  .list .paging {
    display: none;
  }

  /******* detail *****/
  .detail_bg {
    background: #e5e6e7;
  }

  .detail {
    padding: 0;
    margin-bottom: 100px;
  }

  .detail .col-lg-9 {
    padding: 0;
  }

  .detail .master .master_pic_mobile {
    display: block;
    text-align: center;
  }

  .detail .master .master_pic_pc {
    display: none;
  }
  .detail .master .master_pic_mobile img {
    width: 100%;
  }

  .detail .master .master_txt,
  .detail .master .master_title {
    background: #dbdcde;
    margin: 0 10px;
  }

  .detail .master .master_txt {
    padding: 10px;
    border-radius: 0 0 5px 5px;
  }

  .detail .master .master_title {
    padding-top: 10px;
    margin-top: 10px;
    border-radius: 5px 5px 0 0;
  }

  .detail .master .master_title h1 {
    margin-top: 0;
    margin-bottom: 0;
  }

  .detail .master .master_title h2 {
    margin-bottom: 0;
    display: none;
  }

  .detail .comment {
    margin: 0 10px;
  }

  .detail .comment .top h1 {
    font-size: 14px;
  }

  .detail .comment .top h1 span {
    display: block;
  }

  .detail .comment .top .mobile_box {
    position: fixed;
    bottom: 0;
    background: #fff;
    left: 0;
    z-index: 9999;
    border-radius: 20px 20px 0 0;
    width: 100%;
    display: none;
  }

  .detail .comment .top .mobile_box .title {
    text-align: center;
    margin-bottom: 10px;
    padding: 20px 10px 10px;
    position: relative;
    display: block;
  }

  .detail .comment .top .mobile_box .title i {
    position: absolute;
    left: 15px;
    top: 20px;
  }

  .detail .comment .top .mobile_box .textarea {
    height: 240px;
    border: none;
  }

  .detail .comment .top .mobile_box .textarea textarea {
    height: 220px;
  }

  .detail .comment .top .mobile_box .btn {
    position: absolute;
    right: 15px;
    top: 5px;
  }

  .detail .comment .top .mobile_box .btn a {
    background: #bbb7b6;
    color: #333;
    border-radius: 30px;
    width: 60px;
    height: 30px;
    line-height: 30px;
  }

  .detail .comment .bottom .item .pic {
    width: 60px;
  }

  .detail .comment .bottom .item .pic img {
    width: 60px;
    height: 60px;
  }

  .detail .comment .bottom .item .txt {
    margin: 0 0 0 70px;
  }

  .detail .comment .bottom .item .txt h1 {
    margin: 0;
  }

  .detail .comment .bottom .item .txt h2 {
    margin: 5px 0 5px 0;
    color: #808ba1;
  }

  .detail .comment .bottom .item .txt p {
    color: #425371;
  }

  .detail .functionNav {
    position: fixed;
    bottom: 45px;
    left: 0;
    width: 100%;
    background: #e5e6e8;
    border: 0;
    box-shadow: inherit;
    padding: 0;
    margin: 0;
  }

  .detail .functionNav ul {
    padding: 5px 0;
    margin-bottom: 0;
  }

  .detail .functionNav ul li a img {
    width: 40px;
  }

  .detail .functionNav ul li a span {
    border-top-width: 2px;
    padding-top: 5px;
  }

  .detail .priSci_expKno_box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
  }

  .detail .priSci_expKno_box .bg {
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    text-align: right;
  }
  .detail .priSci_expKno_box .bg i {
    color: #000;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 10px;
    font-size: 16px;
    background: #fff;
    border-radius: 100%;
    text-align: center;
    line-height: 30px;
  }

  .detail .priSci_expKno_box .padding {
    padding: 10px;
    overflow: auto;
    height: 96%;
    margin-top: 10%;
  }

  .detail .priSci_expKno_box .padding .principlesScience,
  .detail .priSci_expKno_box .padding .expandKnowledge {
    margin-bottom: 10px;
    border: 0;
    background: #fff;
    box-shadow: inherit;
  }

  .detail .priSci_expKno_box .padding .principlesScience .title,
  .detail .priSci_expKno_box .padding .expandKnowledge .title {
    border: none;
    padding-bottom: 0;
  }

  .detail .priSci_expKno_click {
    position: fixed;
    bottom: 0;
    background: #fff;
    left: 0;
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border-radius: 10px 10px 0 0;
    display: block;
    color: #fd7100;
  }

  .detail .priSci_expKno_click img {
    margin: 0 10px 0 10px;
  }

  /******* video *****/
  .videos {
    left: 2%;
    top: 50%;
    margin: -110px 0 0 0;
    width: 96%;
    height: auto;
  }

  /******* location *****/
  .location .con {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    height: 80%;
    top: initial;
    margin: 0;
  }

  .location .con .viewer {
    height: 100%;
  }

  .location .iviewer_cursor {
    border-radius: 10px 10px 0 0;
  }

  .sub-banner {
    display: none;
  }
}

.search-cont {
  height: 22px;
  border-radius: 20px;
  border: 1px solid #ccc;
  background: #fff;
  width: 120px;
  float: right;
}
.search-cont .input-item {
  outline: none;
  border: none;
  box-shadow: none;
  height: 20px;
  box-sizing: border-box;
  background: none;
  font-size: 12px;
  line-height: 12px;
  color: #000;
  width: 80%;
  float: left;
  padding-left: 10px;
}
.search-cont .search-btn-cont {
  /* float: left; */
  display: inline-block;
  height: 20px;
  width: 20%;
  border: none;
  box-sizing: border-box;
  border-radius: 2px;
  background: url(icon_search.png) no-repeat center;
  background-size: 20px 20px;
}