@media screen and (min-width: 1680px) {
  html {
    font-size: 22px;
  }
  .test {
    color: red;
  }
}
@media screen and (min-width: 1440px) and (max-width: 1680px) {
  html {
    font-size: 20px;
  }
  .test {
    color: black;
  }
}
@media screen and (min-width: 1366px) and (max-width: 1440px) {
  html {
    font-size: 18px;
  }
  .test {
    color: yellow;
  }
}
@media screen and (min-width: 1280px) and (max-width: 1366px) {
  html {
    font-size: 16px;
  }
  .test {
    color: green;
  }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
  html {
    font-size: 14px;
  }
  .test {
    color: blue;
  }
}
.nb-case-list {
  overflow-x: hidden;
  background: #E4EFFF;
}
/*应用案例--》更多页面中解决方案类型tab*/
.fd-tab {
  background: #fff;
  width: 100%;
  margin-bottom: 20px;
}
.fd-tab .tab-wrapper {
  width: 1200px;
  margin: 0 auto;
}
.fd-tab .tab-wrapper ul {
  overflow: hidden;
}
.fd-tab .tab-wrapper ul li {
  width: 140px;
  margin: 0 30px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  border-bottom: 2px solid transparent;
  float: left;
  font-size: 22px;
  cursor: pointer;
}
.fd-tab .tab-wrapper ul li a {
  color: rgba(0, 0, 0, 0.6);
}
.fd-tab .tab-wrapper ul li.active {
  border-bottom: 2px solid #4DA1F6;
}
.fd-tab .tab-wrapper ul li.active a {
  color: #4DA1F6;
}
/*内容主页面*/
#main {
  min-height: 710px;
}
#main .fd-context {
  padding: 40px 0 10px 0 \9;
  padding: 0.4rem 0 0.1rem 0;
}
#main .fd-context ul {
  margin: 0 -7px 0 7px \9;
  margin: 0 -0.07rem 0 0.07rem;
}
#main .fd-context ul li {
  width: 315px \9;
  margin: 7px \9;
  margin-bottom: 30px \9;
  display: inline-block;
  width: 3.15rem;
  margin: 0.07rem;
  margin-bottom: 0.3rem;
}
#main .fd-context ul li a {
  height: 195px \9;
  border-radius: 10px \9;
  display: block;
  background: #fff;
  border-radius: 0.1rem;
  border: 1px solid transparent;
  height: 1.95rem;
  overflow: hidden;
}
#main .fd-context ul li a img {
  width: 100%;
}
#main .fd-context ul li h6 {
  line-height: 46px\9;
  padding: 0 5px\9;
  color: #999999;
  line-height: 0.46rem;
  padding: 0 0.05rem;
  text-align: center;
}