html, body, div, p, h1, h2, h3, h4, h5, h6, h7, span {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  font-size: 14px;
}

.changyuanbin {
  width: 100%;
  height: 100%;
}
.changyuanbin button {
  padding: 4px 12px;
}
.changyuanbin button + button {
  margin-left: 16px;
}
.changyuanbin .content {
  height: calc(100% - 50px);
  overflow: auto;
  background: #F2F6FC;
}
.changyuanbin .content textarea {
  width: calc(100% - 24px);
  font-size: 16px;
  padding: 8px;
}
.changyuanbin .content-wrapper {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding: 12px;
}
.changyuanbin .content-wrapper .link-type {
  margin-top: 24px;
  display: flex;
}
.changyuanbin .content-wrapper .link-type-item {
  padding: 8px 12px;
  background: #fff;
}
.changyuanbin .content-wrapper .link-type-item.active {
  background: #000;
  color: #fff;
}
.changyuanbin .content-wrapper .video-header {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 44px;
  border-bottom: 1px solid #DCDFE6;
}
.changyuanbin .content-wrapper .video-list {
  width: 100%;
  height: calc(100% - 40px);
  overflow: auto;
  padding-right: 16px;
}
.changyuanbin .content-wrapper .video-list .video-list-item {
  padding: 12px;
  font-size: 14px;
  border-bottom: 1px solid #333;
  text-align: center;
}
.changyuanbin .content-wrapper .video-list .video-list-item .video-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  height: 196px;
  width: 100%;
  overflow-x: auto;
}
.changyuanbin .content-wrapper .video-list .video-list-item .video-wrapper img {
  height: 100%;
  max-height: 100%;
}
.changyuanbin .content-wrapper .video-list .video-list-item .video-wrapper img + img {
  margin-left: 16px;
}
.changyuanbin .content-wrapper .video-list .video-list-item .video-wrapper video {
  height: 100%;
  max-height: 100%;
}
.changyuanbin .content-wrapper .video-list .video-date-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  font-size: 18px;
  border-bottom: 1px solid #DCDFE6;
}
.changyuanbin .content-wrapper > button {
  margin-top: 16px;
  width: 100%;
  padding: 12px;
}
.changyuanbin .content .crypt-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  height: 100%;
  padding: 16px;
}
.changyuanbin .nav {
  display: flex;
  height: 50px;
}
.changyuanbin .nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  background: #DCDFE6;
  color: #606266;
  font-size: 18px;
  height: 50px;
}
.changyuanbin .nav-item + .nav-item {
  border-left: 1px solid #606266;
}
.changyuanbin .nav-item.active {
  font-weight: 700;
  background: #606266;
  color: #fff;
}