/* _shared: 网站简介卡 — 布局（桌面左浮环绕 / 窄屏图上文下）
 * 边框、底色、段落颜色留给各站 home.css（.img-placeholder / .panel-intro p），避免盖品牌色。
 * 须在各站 home.css 之前引入。
 */
.img-intro-wrap {
  display: block;
  overflow: visible;
  margin: 18px 0;
}
.img-intro-wrap::after {
  content: "";
  display: table;
  clear: both;
}
.panel-intro .img-placeholder,
.img-intro-wrap > .img-placeholder {
  float: left;
  width: 320px;
  max-width: 46%;
  height: auto;
  margin: 2px 18px 10px 0;
  display: block;
  position: relative;
  overflow: hidden;
  padding: 0;
  line-height: 0;
  flex: none;
}
.panel-intro .img-placeholder img,
.img-intro-wrap > .img-placeholder img {
  display: block;
  width: 100%;
  height: auto;
}
.panel-intro .img-intro,
.img-intro-wrap > .img-intro {
  display: block;
  min-width: 0;
  overflow: visible;
  flex: none;
  padding-top: 0;
}
.img-intro p {
  font-size: 15px;
  margin: 0 0 5px;
  line-height: 1.75;
}
.img-intro p:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .panel-intro .img-placeholder,
  .img-intro-wrap > .img-placeholder {
    float: none;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 0 8px;
  }
  .img-intro-wrap {
    margin: 6px 0 2px;
  }
  .panel-intro .img-intro,
  .img-intro-wrap > .img-intro {
    display: block;
    width: 100%;
    max-width: 100%;
    padding-top: 0;
  }
}

@media (max-width: 420px) {
  .img-intro-wrap {
    margin: 4px 0 0;
  }
  .img-intro p {
    font-size: 14px;
  }
}