body {
  background: url("../img/pc-bg2.jpg") left top no-repeat;
  background-size: 100% 100%;
}

.detail-area {
  height: 100vh;
  width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.detail-area .theme-logo {
  width: auto;
  height: 74%;
  margin-top: 6%;
  padding-right: 15px;
  padding-bottom: 12px;
  background: url("../img/item-bg.png") no-repeat right bottom;
}
.detail-area .ztlogo{
  height: 56px;
  width: auto;
  transform: scale(1);
  animation: scale 1s .5s ease-in-out both;
  position: fixed;
  left: 50%;
  margin-left: -430px;
  bottom: 30px;
}
.detail-area .ztlogo2{
  position: fixed;
  left: 50%;
  margin-left: 450px;
  top: 70px;
}


.detail-area .content-box {
    width: 710px;
    display: flex;
    column-gap: 30px;
    height: 80%;
    flex-flow: column;
    justify-content: center;
    margin-top: 50px;
}

.relate-sites {
  height: 50px;
  line-height: 50px
}

.relate-sites .relate-site {
  display: inline-block;
  width: 128px;
  height: 100%;
  margin-right: 24px;
  background: url("../images/detail-sites.png") no-repeat -3px center
}

.relate-sites .relate-site:nth-child(2) {
  width: 130px;
  background-position: -152px center
}

.relate-sites .relate-site:nth-child(3) {
  width: 92px;
  background-position: -304px center
}

.relate-sites .relate-site:nth-child(4) {
  width: 85px;
  background-position: -415px center
}

.audio-box {
  float: right;
  margin-top: 45px;
  width: 300px;
  height: 56px;
  background: url(../imgs/sound_bg.png) no-repeat center;
  padding: 8px 5px 8px 10px;
  display: flex;
  align-items: center;
}

.audio-box .audio-num {
  background: url("../imgs/sound_bg.png") center no-repeat;
}

.audio-box .audio-icon {
  cursor: pointer;
  border-radius: 50%;
  float: left;
  margin-right: 10px;
}
.audio-box .sound_bo{
  float: left;
}

.audio-box .audio-icon:hover {
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.6), 0 0 10px rgba(255, 255, 255, 0.4)
}

.audio-box .audio-icon.playing {
  animation: play 1.6s linear infinite
}

@keyframes play {
  from {
    transform: rotate(0)
  }

  to {
    transform: rotate(360deg)
  }
}

@keyframes breath {
  from {
    box-shadow: none
  }

  to {
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.6), 0 0 10px rgba(255, 255, 255, 0.4)
  }
}

.audio-text {
  margin-top: 50px;
  font-weight: normal;
  font-size: 20px;
  line-height: 2;
  /* text-indent: 2em; */
  color: #ffffffeb;
  text-align: justify;
}

.audio-text p {
  margin-bottom: 15px
}

.return-path,
.to-detail {
  display: block;
  font-size: 18px;
  color: #c01d1b;
  text-align: left;
  text-indent: 0;
}

.return-path:hover,
.to-detail:hover {
  text-decoration: underline
}

::-webkit-scrollbar {
  width: 8px;
  height: 2px
}

::-webkit-scrollbar-thumb {
  background: #ed270c;
  border-radius: 6px
}

::-webkit-scrollbar-corner,
::-webkit-scrollbar-track {
  background: #fff
}

.main{
  width: 100%;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  align-items: center;
}
.summary{
  width: 680px;
  color: #333;
  font-size: 20px;
  line-height: 2;
  text-align: justify;
}
.dhVideo{
  width: 450px;
  height: 350px;
}