* {
  padding: 0;
  margin: 0;
}
.oscroll {
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-arrow-color: #c0c0c0;
  scrollbar-track-color: #c0c0c0;
  scrollbar-base-color: #c0c0c0;
}
/* 滚动条webkit样式 */
.oscroll::-webkit-scrollbar {
  width: 11px;
  background-color: #c0c0c0;
  
}
.oscroll::-webkit-scrollbar-button {
  display: none;
}
.oscroll::-webkit-scrollbar-thumb {
  background-color: #1270c5;
  border-radius: 4px;
}
#app {
  font-family: 'Microsoft Yahei';
  font-size: 16px;
  width: 1920px;
  margin: 0 auto;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
}
#app::-webkit-scrollbar {
  display: none;
}
.nav_list {
  width: 261px;
  height: 960px;
  position: absolute;
  top: 0%;
  left: 0%;
  background: url(../images/nav_list.jpg) no-repeat;
  background-size: 100% 100%;
  z-index: 100;
}

.logo_box {
  width: 100%;
  height: 116px;
  line-height: 116px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #148ee3;
}

.logo_box img {
  width: 178px;
}

.nav_content {
  width: 100%;
  height: auto;
}

.nav_content li {
  list-style: none;
  width: 100%;
  height: 64px;
  border-top: 1px solid #52befe;
  border-bottom: 1px solid #148ee3;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  padding-left: 25px;
  box-sizing: border-box;
}

.nav_content li:last-child {
  border-bottom: 1px solid #52befe;
}

.nav_content li.active {
  padding-left: 0px;
}

.nav_content li.active img {
  width: 261px;
  height: 72px;
}

.nav_content li img {
  height: 48px;
}

#wrapper {
  width: 1920px;
  height: 960px;
  position: relative;
}

#animation_container {
  display: block;
}

#content {
  width: 1920px;
  height: 960px;
  background: url(../images/content_bj.jpg) no-repeat;
  background-size: 100% 100%;
  display: none;
}

.content_desc {
  width: 100%;
  height: 960px;
  position: relative;
}

.content_area {
  width: 1152px;
  height: 960px;
  background: url(../images/content_area.png) no-repeat;
  background-size: 100% 100%;
  padding-left: 310px;
  padding-top: 66px;
  padding-right: 50px;
  box-sizing: border-box;
  position: absolute;
  top: 0%;
  left: 0%;
  z-index: 90;
}
.content_role {
  width: auto;
  height: auto;
  position: absolute;
  bottom: -1%;
  right: 0%;
  z-index: 80;
}
.content_desc:last-child .content_role {
  z-index: 100;
}
.content_role img {
  height: auto;
  width: auto;
}
.act-content {
  width: 100%;
  height: 760px;
  overflow-y: overlay;
}
.act-content img {
  width: 746px;
}
#navigation {
  position: absolute;
  top: 22px;
  right: 112px;
  height: 46px;
  background-color: #0075df;
  border-radius: 23px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 20px;
  box-sizing: border-box;
}

.btn-link {
  width: 110px;
  height: 24px;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
}

.link_line {
  border-left: 1px solid rgba(0, 0, 0, .2);
}