body {
  background: url(/expert/web/static/history/background_v.jpg) repeat-y center top;
  background-size: 100% auto;
}
#banner {
  background: url(/expert/web/static/history/history_04_banner.png) no-repeat center top;
  background-size: 100% 100%;
}
* {
  user-select: none;
}
html {
  font-size: calc(100vw / 1920);
}
.topic-banner {
  z-index: 1;
}
.home {
  overflow: visible;
}
.home .dash-wrap {
  background: url(/expert/web/static/vertical-dash-line.png);
  background-repeat: repeat repeat;
}
html,
body {
  transition: all 1s;
  scroll-behavior: smooth;
}
@keyframes lineGrowOut {
  0% {
    height: 0;
  }
  100% {
    height: 120rem;
  }
}
.home .dash-wrap.with-point::after {
  bottom: -10rem;
}
.point {
  width: 0.33rem;
  height: 0.33rem;
  margin: 0 auto;
  position: relative;
}
.point::after {
  content: '';
  width: 1rem;
  height: 0;
  background: url('/expert/web/static/vertical-dash-line.png') repeat;
  position: absolute;
  background-size: 1rem 260rem;
  background-position: center top;
  left: 0.16rem;
  top: -100rem;
  animation: lineGrowOut 1s linear 4s forwards;
}
.point img {
  width: 0.33rem;
  height: 0.33rem;
  opacity: 0;
  animation: show 1s linear 5s forwards;
}
@keyframes show {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.content {
  width: 1200rem;
  margin: auto;
}
img {
  -webkit-user-drag: none;
}
.sun {
  width: 517rem;
  height: 419rem;
  margin: 0 auto 84rem;
  position: relative;
  z-index: 3;
}
.sun .line-bg {
  position: absolute;
  width: 4rem;
  height: 275rem;
  left: calc(50% - 2rem);
  top: 60rem;
  background: #f5edd7;
  z-index: 2;
}
.sun img {
  width: 100%;
  position: absolute;
  z-index: 3;
}
.floor {
  font-size: 16rem;
  color: #5e4a23;
  line-height: 28rem;
  font-family: PingFangSC-Regular;
  padding: 60rem 0 139rem 0;
  background: url(/expert/web/static/history/history_04_bg.jpg) no-repeat center;
  background-size: 100% 100%;
  box-sizing: border-box;
}
.floor.center {
  text-align: center;
}
.floor.lv1 {
  padding-top: 0;
}
.floor h2 {
  line-height: 53rem;
  font-weight: 0;
  font-size: 48rem;
  color: #9a3312;
  margin-bottom: 24rem;
}
.floor p {
  margin-bottom: 20rem;
}
.floor p:last-child {
  margin-bottom: 0;
}
.time-line-page {
  position: relative;
  height: calc(100vh - 70rem);
  width: 100%;
  overflow: hidden;
  transition: all 1s;
  scroll-behavior: smooth;
  margin-bottom: 56rem;
  scrollbar-width: thin;
  scrollbar-color: #ac8f52 #e7d8bb;
}
.time-line-page::-webkit-scrollbar {
  display: none;
}
.time-line-page .btns {
  width: 100vw;
  position: absolute;
  top: calc(50% - 25rem);
  left: 0;
  z-index: 9;
}
.time-line-page .btns img {
  width: 60rem;
  height: 60rem;
  cursor: pointer;
}
.time-line-page .btns img:nth-child(1) {
  position: absolute;
  left: 5%;
  display: none;
}
.time-line-page .btns img:nth-child(2) {
  position: absolute;
  right: 5%;
}
.time-line-page .ancient-time {
  height: 120rem;
  width: 100%;
  background: url(/expert/web/static/ancient-axis/ancient-theme-bg.png);
  background-size: 100% 100%;
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  opacity: 1;
  z-index: 9;
}
.time-line-page .ancient-time .line-center {
  content: '';
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 25rem;
  border-top: solid 2rem #9b3009;
  z-index: 0;
}
.time-line-page .ancient-time .item {
  margin-bottom: 15rem;
  z-index: 1;
  text-align: center;
}
.time-line-page .ancient-time .item .text {
  height: 17rem;
  font-family: PingFangSC-Regular;
  font-size: 12rem;
  color: #b97451;
  text-align: center;
}
.time-line-page .ancient-time .item .triangle {
  width: 14rem;
  height: 10rem;
  display: none;
  margin-bottom: -3rem;
}
.time-line-page .ancient-time .item .line {
  font-size: 20rem;
  color: #b97451;
  text-align: center;
  margin-top: 17rem;
}
.time-line-page .ancient-time .item .line.button {
  width: 120rem;
  height: 28rem;
  background: #fffaeb;
  border: 1rem solid #9a3312;
  border-radius: 05rem;
  color: #9a3312;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: -3rem;
  margin-top: 10rem;
  cursor: pointer;
  font-family: FZ;
  font-size: 18rem;
}
.time-line-page .ancient-time .item .line.button.active {
  width: 160rem;
  height: 47rem;
  background: #9a3312;
  border-radius: 05rem;
  overflow: hidden;
  background-size: 100% 100%;
  border: none;
  color: #fffaeb;
  font-size: 28rem;
  margin-bottom: -12rem;
  transition: all 0.2s;
}
.time-line-page .content-page {
  width: 100%;
  overflow: hidden;
  position: absolute;
  left: 0;
  top: 0;
  padding-top: 120rem;
  transition: all 1s;
  display: flex;
  width: 500vw;
}
.time-line-page .content-page .ancient-time-content {
  width: 100vw;
  padding-bottom: 81rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: url(/expert/web/static/ancient-axis/ancient-theme-bg.png);
  background-size: 100% 100%;
  transition: all 1s;
  overflow: hidden;
}
.time-line-page .content-page .ancient-time-content > div {
  margin-top: 64rem;
}
.time-line-page .content-page .ancient-time-content .intro {
  margin-top: 132rem;
}
.time-line-page .content-page .ancient-time-content .picture-intro {
  height: 28rem;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  font-size: 14rem;
  color: #9b8a69;
  line-height: 28rem;
  position: relative;
}
.time-line-page .content-page .ancient-time-content .picture-intro > img {
  width: 20rem;
  vertical-align: middle;
  margin-bottom: 3rem;
}
.time-line-page .content-page .ancient-time-content .title {
  text-align: left;
  height: 53rem;
  font-family: FZ;
  font-weight: 0;
  font-size: 48rem;
  color: #9a3312;
}
.time-line-page .content-page .ancient-time-content .img-wrap {
  width: 755rem;
  margin-right: 57rem;
}
.time-line-page .content-page .ancient-time-content .img-wrap > img {
  width: 755rem;
  height: 597rem;
}
.time-line-page .content-page .ancient-time-content .img-wrap .ancient-img1 {
  width: 536rem;
}
.time-line-page .content-page .ancient-time-content .img-wrap .picture-intro {
  display: flex;
  align-items: flex-start;
  z-index: 1;
}
.time-line-page .content-page .ancient-time-content .img-wrap .picture-intro > img {
  margin-top: 10rem;
  margin-right: 8rem;
}
.time-line-page .content-page .ancient-time-content .intro .paragraph {
  font-family: PingFangSC-Regular;
  font-weight: 400;
  font-size: 16rem;
  color: #5e4a23;
  line-height: 1.6;
}
.time-line-page .content-page .ancient-time-content .intro .paragraph p {
  margin-bottom: 24rem;
}
.time-line-page .content-page .ancient-time-content .intro .mini-title {
  height: 35rem;
  font-family: FZ;
  font-weight: 0;
  font-size: 32rem;
  color: #9a3312;
  margin: 24rem 0;
}
.time-line-page .content-page .ancient-time-content .intro .content {
  width: 742rem;
  text-align: left;
}
.time-line-page .content-page .ancient-time-content .intro .view-tips {
  width: 189rem;
  height: 33rem;
  font-family: FZ;
  font-size: 18rem;
  color: #996724;
  text-align: center;
  line-height: 33rem;
  background: url(/expert/web/static/history4-btn-bg.png);
  background-size: 100% 100%;
  margin-top: 47rem;
  cursor: pointer;
}
.time-line-page .content-page .ancient-time-content .intro .page-scroll {
  height: 300rem;
  overflow-y: scroll;
  padding-right: 18rem;
}
.time-line-page .content-page .ancient-time-content .intro .page-scroll::-webkit-scrollbar {
  width: 8rem;
  height: 100%;
  background: url(/expert/web/static/scroll-bar.png);
  background-size: 3rem 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.time-line-page .content-page .ancient-time-content .intro .page-scroll::-webkit-scrollbar-thumb {
  background: url(/expert/web/static/scroll-bg.png);
  background-size: 100% 100%;
}
.alert {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 99999;
  display: none;
}
.alert .bg {
  width: 100%;
  height: 100%;
  opacity: 0.6;
  background: #000000;
  position: absolute;
  z-index: 1;
}
.alert .box {
  width: 1200rem;
  height: 414rem;
  background-color: #fffaed;
  z-index: 2;
  position: absolute;
  left: calc(50% - 600rem);
  top: calc(50% - 207rem);
  background: url(/expert/web/static/alert-bg.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.alert .box .close {
  width: 20rem;
  height: 20rem;
  position: absolute;
  top: 18rem;
  right: 19rem;
  cursor: pointer;
}
.alert .box .close:hover {
  opacity: 0.7;
  transition: all 0.3s;
}
.alert .box .box-inner {
  padding: 70rem 80rem 0;
}
.alert .box .header-bar {
  margin-bottom: 34rem;
  display: flex;
}
.alert .box .header-bar > div {
  margin-right: 40rem;
  height: 26rem;
  font-family: FZ;
  font-size: 24rem;
  color: #5e4a23;
  cursor: pointer;
}
.alert .box .header-bar > div:hover {
  opacity: 0.8;
}
.alert .box .header-bar > div.active {
  color: #9a3312;
  position: relative;
}
.alert .box .header-bar > div.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6rem;
  width: 100%;
  border-top: 1rem solid #9a3312;
}
.alert .box .container {
  font-family: PingFangSC-Regular;
  font-weight: 400;
  font-size: 16rem;
  color: #5e4a23;
  line-height: 26rem;
}
.alert .box .container > div {
  display: none;
}
