@charset "utf-8";
html {
  height: 100%;
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
body {
  font-family: "Helvetica", "Tahoma", "Arial", sans-serif, "PingFang SC", "Source Han Sans CN", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "STXihei", "华文细黑";
  height: 100%;
  min-width: 1280px;
  max-width: none;
  min-height: none;
  margin: 0;
  background-color: #ffffff;
  color: #333333;
}
a,
a:link,
a:visited,
a:hover,
a:active {
  color: inherit;
  text-decoration: inherit;
  outline: 0;
  cursor: pointer;
  -webkit-text-decoration-skip: objects;
}
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
span,
b,
i,
strong,
em {
  position: relative;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 1em;
  font-weight: normal;
  margin: 0;
  padding: 0;
}
dl,
dt,
dd,
ul,
ol,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.iconfont {
  font-size: inherit;
}
.ellipsis,
.text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lineclamp {
  display: -webkit-box;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.clear:after {
  content: '';
  display: block;
  float: none;
  clear: both;
}
header:after,
.header:after,
footer:after,
.footer:after,
hgroup:after,
.hgroup:after {
  content: '';
  display: block;
  float: none;
  clear: both;
}
.container-full:after,
.container:after,
.row:after {
  content: '';
  display: block;
  float: none;
  clear: both;
}
.container-full {
  width: 100%;
  margin: 0 auto;
  overflow-x: hidden;
}
.container {
  margin: 0 auto;
}
.safeview {
  width: 1280px;
}
.news_list .news_item {
  position: relative;
}
.news_list .news_item .text-overflow {
  margin-left: 20px;
  margin-right: 6em;
}
.news_list .news_item .iconfont {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 20px;
}
.news_list .news_item .date {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 6em;
}
.news_list .news_item .text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.box-padding5 {
  padding-bottom: 5%;
}
.box-padding10 {
  padding-bottom: 10%;
}
.box-padding15 {
  padding-bottom: 15%;
}
.box-padding20 {
  padding-bottom: 20%;
}
.box-padding25 {
  padding-bottom: 25%;
}
.box-padding30 {
  padding-bottom: 30%;
}
.box-padding35 {
  padding-bottom: 35%;
}
.box-padding40 {
  padding-bottom: 40%;
}
.box-padding45 {
  padding-bottom: 45%;
}
.box-padding50 {
  padding-bottom: 50%;
}
.box-padding55 {
  padding-bottom: 55%;
}
.box-padding60 {
  padding-bottom: 60%;
}
.box-padding65 {
  padding-bottom: 65%;
}
.box-padding70 {
  padding-bottom: 70%;
}
.box-padding75 {
  padding-bottom: 75%;
}
.box-padding80 {
  padding-bottom: 80%;
}
.box-padding85 {
  padding-bottom: 85%;
}
.box-padding90 {
  padding-bottom: 90%;
}
.box-padding95 {
  padding-bottom: 95%;
}
.box-padding100 {
  padding-bottom: 100%;
}
.box-padding105 {
  padding-bottom: 105%;
}
.box-padding110 {
  padding-bottom: 110%;
}
.box-padding115 {
  padding-bottom: 115%;
}
.box-padding120 {
  padding-bottom: 120%;
}
.box-padding125 {
  padding-bottom: 125%;
}
.box-padding130 {
  padding-bottom: 130%;
}
.box-padding135 {
  padding-bottom: 135%;
}
.box-padding140 {
  padding-bottom: 140%;
}
.box-padding145 {
  padding-bottom: 145%;
}
.box-padding150 {
  padding-bottom: 150%;
}
.box-padding155 {
  padding-bottom: 155%;
}
.box-padding160 {
  padding-bottom: 160%;
}
.box-padding165 {
  padding-bottom: 165%;
}
.box-padding170 {
  padding-bottom: 170%;
}
.box-padding175 {
  padding-bottom: 175%;
}
.box-padding180 {
  padding-bottom: 180%;
}
.box-padding185 {
  padding-bottom: 185%;
}
.box-padding190 {
  padding-bottom: 190%;
}
.box-padding195 {
  padding-bottom: 195%;
}
.box-padding200 {
  padding-bottom: 200%;
}
.box-square {
  padding-bottom: 100%;
}
.box-padding169 {
  padding-bottom: 56.25%;
}
.box-gold {
  padding-bottom: 61.8%;
}
.box-silver {
  padding-bottom: 70.6%;
}
.box-circular {
  padding-bottom: 100%;
  border-radius: 50%;
  overflow: hidden;
}
.img-box,
.video-box {
  position: relative;
  overflow: hidden;
}
.img-inline,
.video-inline {
  position: relative;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: middle;
  max-width: 100%;
  *width: 100%;
  height: auto;
  border: none;
}
.img-center,
.video-center {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
  max-width: 100%;
  width: auto;
  *width: 100%;
  max-height: 100%;
  height: auto;
  *height: 100%;
  margin: auto;
  border: none;
}
.img-max,
.video-max {
  display: block;
  width: 100%;
  height: 100%;
  border: none;
}
.img-cover,
.video-cover {
  display: block;
  position: absolute;
  max-width: none;
  width: 100%;
  *width: 100%;
  max-height: none;
  height: 100%;
  *height: 100%;
  border: none;
  object-position: 50% 50%;
  object-fit: cover;
}
.iframe-box {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}
.align-lt {
  text-align: left;
  vertical-align: top;
}
.align-ct {
  text-align: center;
  vertical-align: top;
}
.align-rt {
  text-align: right;
  vertical-align: top;
}
.align-lm {
  text-align: left;
  vertical-align: middle;
}
.align-cm {
  text-align: center;
  vertical-align: middle;
}
.align-rm {
  text-align: right;
  vertical-align: middle;
}
.align-lb {
  text-align: left;
  vertical-align: bottom;
}
.align-cb {
  text-align: center;
  vertical-align: bottom;
}
.align-rb {
  text-align: right;
  vertical-align: bottom;
}
.poster-container {
  position: relative;
  z-index: 10000;
  height: 100%;
  overflow: hidden;
  background: #3580ce;
}
.poster-container::before {
  content: ' 改 / 革 / 开 / 放 / 40 / 周 / 年 ';
  text-align:center;
  font-size:20px;
  position: absolute;
  top: 5.55555556%;
  right: 0;
  left: 0;
  z-index: 10;
  width: 419px;
  height: 81px;
  margin: 0 auto;
  color:#fff;
}
.poster-bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url("../image/poster-bg.jpg") no-repeat;
  background-size: 100% 100%;
  transform: scale(1);
  animation-name: poster-bg;
  animation-duration: 2s;
  animation-timing-function: ease-out;
}
@keyframes poster-bg {
  0% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
.poster-content {
  position: relative;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: url("../image/poster-slogon-bg.png") no-repeat center center;
  background-size: 60% auto;
  transform: scale(1);
  animation-name: slogon;
  animation-duration: 1.5s;
  animation-timing-function: ease-in;
}
.poster-slogon {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 60%;
  margin: auto;
  background: url("../image/poster-slogon.png") no-repeat center center;
  background-size: contain;
  perspective: 300px;
  transform: scale(1);
  animation-name: slogon;
  animation-duration: 1.5s;
  animation-timing-function: ease-in;
}
@keyframes slogon {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  70% {
    opacity: 0.7;
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
.banner .nav {
  width: 100%;
  height: 72px;
  position: absolute;
  bottom: 0;
  z-index: 5;
  background: url("http://www.newsimg.cn/politics/2018lh/0225/images/nav.png") center top no-repeat;
}
@keyframes l2r {
  from {
    margin-left: -1701px;
  }
  to {
    margin-left: -5103px;
  }
}
@keyframes breath {
  from {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  to {
    transform: scale(1);
  }
}
.nav {
  position: relative;
  width: auto;
  height: 57px;
  margin: 0 auto;
  background-image: -moz-linear-gradient(90deg, #bd1313 0%, #e4100d 100%);
  background-image: -webkit-linear-gradient(90deg, #bd1313 0%, #e4100d 100%);
  background-image: -ms-linear-gradient(90deg, #bd1313 0%, #e4100d 100%);
  color: #fff;
  box-shadow: 0px 0px 5px 0px rgba(9, 2, 4, 0.196);
}
.nav .nav_title {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 169px;
  height: 57px;
}
.nav .nav_list {
  height: 57px;
  margin-left: 169px;
}
.nav .nav_list .nav_item {
  font-size: 16px;
  font-weight: bold;
  float: left;
  line-height: 57px;
  text-align: center;
  vertical-align: middle;
  width: 25%;
  height: 57px;
}
.nav .nav_list .nav_item a {
  position: relative;
  z-index: 1;
  display: block;
}
.nav .nav_list .nav_item:before {
  content: "/";
  position: absolute;
  color: #fff;
  left: -4px;
  top: 0;
}
.nav .nav_list .nav_item:first-child:before {
  display: none;
}
.nav .nav_list .nav_item:after {
  content: "";
  display: none;
  position: absolute;
  top: 0;
  right: 20px;
  bottom: 0;
  left: 20px;
  z-index: 0;
  background-color: #fff;
  opacity: 0.4;
  transform: skewX(160deg);
}
.nav .nav_list .nav_item:hover:after {
  display: block;
}
.header {
  height: 541px;
  background-image: url("../image/image000.jpg");
  background-repeat: no-repeat;
  background-position: center;
}
.footer {
  font-size: 12px;
  line-height: 28px;
  padding: 12px 0 36px;
  background-color: #1c273a;
  color: #c0c0c0;
}
.section .section_title {
  padding-top: 80px;
}
.section .lookmore {
  position: relative;
  font-size: 12px;
  line-height: 32px;
  text-align: center;
  width: 108px;
  height: 32px;
  margin: -16px auto 0;
  border-radius: 8px;
  background-color: #f8f8f8;
  color: #999999;
}
.section .lookmore:hover {
  background-color: #dfdfdf;
  color: #fff;
}
.section .lookmore a {
  display: block;
}
.slide_show {
  height: 623px;
  padding-top: 50px;
  padding-bottom: 30px;
}
.slide_show.even {
  background: url("../image/sec_odd_bg.jpg") center center;
}
.slide_show .slide_show_title {
  text-align: center;
  font-size: 26px;
  line-height: 1.82142857;
  font-weight: bold;
  width: 1000px;
  height: 51px;
  margin: 0 auto;
  background-color: #d92525;
  color: #ffffff;
}
.slide_show .ppt-slide .mainCell {
  width: 1000px;
  height: 582px;
  margin: 0 auto;
}
.slide_show .ppt-slide .mainCell .slide,
.slide_show .ppt-slide .mainCell .img-box {
  width: 1000px;
  height: 582px;
}
.slide_show .ppt-slide .prevCell,
.slide_show .ppt-slide .nextCell {
  position: absolute;
  top: 50%;
  font-size: 32px;
  text-align: center;
  line-height: 40px;
  width: 36px;
  height: 40px;
  margin-top: -20px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  cursor: pointer;
}
.slide_show .ppt-slide .prevCell {
  left: 80px;
}
.slide_show .ppt-slide .nextCell {
  right: 80px;
}
.slide_show .ppt-slide .pageState {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  font-size: 14px;
  text-align: center;
  color: #666666;
}
.deeplooklist .deeplookitem {
  margin-left: 20px;
  margin-right: 20px;
  border-left: 1px solid #e5e5e5;
  border-bottom: 1px dashed #e5e5e5;
}
.deeplooklist .deeplookitem .item_date {
  position: absolute;
  left: 0;
  top: 30px;
  font-size: 16px;
  line-height: 20px;
  text-align: center;
  width: 64px;
  padding: 5px 0;
  background: #c6ad82;
  color: #fff;
}
.deeplooklist .deeplookitem .item_date:after {
  content: '';
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  border-top: 5px solid #c6ad82;
  border-left: 5px solid #c6ad82;
  border-bottom: 5px dashed transparent;
  border-right: 5px dashed transparent;
}
.deeplooklist .deeplookitem .item_main {
  margin-left: 64px;
  padding: 30px;
}
.deeplooklist .deeplookitem .item_title {
  font-size: 18px;
  line-height: 20px;
  margin-top: -1px;
  margin-bottom: 14px;
  color: #333333;
}
.deeplooklist .deeplookitem .item_text {
  font-size: 14px;
  line-height: 24px;
  color: #999999;
}
.deeplooklist .deeplookitem .detailed {
  color: #f54343;
}
.mediasound_left {
  float: left;
  width: 700px;
  margin-top: 30px;
  margin-left: 20px;
}
.mediasound_left .news_list {
  border-bottom: 1px dashed #e5e5e5;
}
.mediasound_left .news_list .news_item {
  line-height: 20px;
  padding-bottom: 33px;
  position: relative;
}
.mediasound_left .news_list .news_item .text-overflow {
  margin-left: 30px;
  margin-right: 6em;
}
.mediasound_left .news_list .news_item .iconfont {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 30px;
}
.mediasound_left .news_list .news_item .date {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 6em;
}
.mediasound_left .news_list .news_item .text-overflow {
  display: block;
}
.mediasound_left .news_list .iconfont {
  font-size: 16px;
  line-height: 20px;
  color: #c6ad82;
}
.mediasound_right {
  float: right;
  width: 386px;
  margin-top: 30px;
  margin-right: 20px;
}
.mediasound_right .pic_new_slide,
.mediasound_right .video_new_slide {
  width: 386px;
  height: 215px;
  background: #eee;
}
.mediasound_right .pic_new_slide .slide_title,
.mediasound_right .video_new_slide .slide_title {
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 4;
  text-align: center;
  line-height: 36px;
  width: 102px;
  background-color: #d92525;
  color: #fff;
}
.mediasound_right .pic_new_slide .slide,
.mediasound_right .video_new_slide .slide,
.mediasound_right .pic_new_slide .img-box,
.mediasound_right .video_new_slide .img-box {
  width: 386px;
  height: 215px;
}
.mediasound_right .pic_new_slide .cover_bottom_title {
  position: absolute;
  z-index: 5;
  left: 20px;
  right: 30%;
  bottom: 0;
  line-height: 36px;
  color: #fff;
}
.mediasound_right .pic_new_slide .titCell {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  text-align: right;
  line-height: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.5);
}
.mediasound_right .pic_new_slide .titCell li {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 5px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}
.mediasound_right .pic_new_slide .titCell li.on {
  background: #d92525;
}
.mediasound_right .video_new_slide {
  margin-top: 12px;
}
.mediasound_right .video_new_slide .video_appearctrl {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
}
.mediasound_right .video_new_slide .video_appearctrl:after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 60px;
  margin: auto;
  border: 5px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}
.mediasound_right .video_new_slide .video_appearctrl .fa {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  font-size: 32px;
  width: 20px;
  height: 32px;
  margin: auto;
  color: rgba(255, 255, 255, 0.5);
}
.mediasound_right .video_new_slide .prevCell,
.mediasound_right .video_new_slide .nextCell {
  position: absolute;
  top: 50%;
  font-size: 32px;
  text-align: center;
  line-height: 40px;
  width: 36px;
  height: 40px;
  margin-top: -20px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  cursor: pointer;
}
.mediasound_right .video_new_slide .prevCell {
  left: 0px;
}
.mediasound_right .video_new_slide .nextCell {
  right: 0px;
}
.big_slide .mainCell {
  width: 1030px;
  height: 670px;
  margin: 30px auto 50px;
}
.big_slide .mainCell .slide,
.big_slide .mainCell .img-box {
  width: 1030px;
  height: 670px;
}
.big_slide .prevCell,
.big_slide .nextCell {
  position: absolute;
  top: 50%;
  font-size: 32px;
  text-align: center;
  line-height: 40px;
  width: 36px;
  height: 40px;
  margin-top: -20px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  cursor: pointer;
}
.big_slide .prevCell {
  left: 80px;
}
.big_slide .nextCell {
  right: 80px;
}
.big_slide .cover_bottom_title {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  bottom: 0;
  line-height: 36px;
  padding: 0 20px;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
}
#floorNav {
  display: none;
  position: fixed;
  top: 25%;
  left: 50%;
  text-align: center;
  width: 120px;
  margin-left: 456px;
  color: #fff;
}
@media (min-width: 1280px) {
  #floorNav {
    margin-left: 520px;
  }
}
@media (min-width: 1440px) {
  #floorNav {
    margin-left: 600px;
  }
}
@media (min-width: 1680px) {
  #floorNav {
    margin-left: 720px;
  }
}
#floorNav .title {
  line-height: 44px;
  background-color: #d92525;
  border-bottom: none;
  cursor: pointer;
}
#floorNav .floor_item {
  line-height: 44px;
  background-color: #c6ad82;
  cursor: pointer;
}
#floorNav .floor_item .mbp {
  display: block;
  margin: 0 10px;
}
#floorNav .floor_item + .floor_item .mbp {
  border-top: 1px dotted #000;
}
#floorNav .floor_button {
  font-size: 20px;
  line-height: 30px;
  background-color: #d92525;
  cursor: pointer;
}