body * {
  box-sizing: border-box;
  flex-shrink: 0;
}
body {
  font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
    Arial, PingFang SC-Light, Microsoft YaHei;
}
input {
  background-color: transparent;
  border: 0;
}
button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

button:active {
  opacity: 0.6;
}
.van-nav-bar__left:active,
.van-nav-bar__right:active {
  opacity: 1;
}
[class*='van-']::after {
  border-bottom: 0;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.justify-start {
  display: flex;
  justify-content: flex-start;
}
.justify-center {
  display: flex;
  justify-content: center;
}

.justify-end {
  display: flex;
  justify-content: flex-end;
}
.justify-evenly {
  display: flex;
  justify-content: space-evenly;
}
.justify-around {
  display: flex;
  justify-content: space-around;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.align-start {
  display: flex;
  align-items: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}
.align-end {
  display: flex;
  align-items: flex-end;
}

/* 富文本正文大图：防止撑破双栏布局（覆盖 body * { flex-shrink:0 }） */
.dis-td-ts-texts,
.dis-td-ts-texts.body,
.rich-content {
  max-width: 100%;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.dis-td-ts-texts img,
.dis-td-ts-texts video,
.dis-td-ts-texts iframe,
.dis-td-ts-texts table,
.rich-content img,
.rich-content video,
.rich-content iframe,
.rich-content table {
  max-width: 100% !important;
  height: auto !important;
  flex-shrink: 1 !important;
}
.tops > .bis,
.main-contents {
  min-width: 0;
  overflow: hidden;
}