@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;
  }
}
#main {
  background: #E4EFFF;
}
#main .chapter {
  padding: 50px 0 40px 0 \9;
  padding: 0.5rem 0 0.4rem 0;
}
#main .chapter1 {
  padding-top: 0;
}
#main h1 {
  line-height: 120px \9;
  font-size: 1.4em;
  color: #333333;
  line-height: 1.2rem;
  text-align: center;
}
#main h2 {
  line-height: 75px \9;
  padding-left: 65px \9;
  color: #333333;
  font-size: 1.2em;
  line-height: 0.75rem;
  position: relative;
  padding-left: 0.65rem;
}
#main h2 img {
  width: 65px \9;
  height: 65px \9;
  width: 0.65rem;
  height: 0.65rem;
  position: absolute;
  left: 0;
  top: 55%;
  margin-top: -32.5px \9;
  margin-top: -0.325rem;
}
#main .bg-chapter {
  display: block;
  width: 100%;
}
#main p {
  font-size: 18px \9;
  line-height: 35px \9;
  padding-left: 10px \9;
  font-size: 0.18rem;
  color: #666666;
  line-height: 0.35rem;
  padding-left: 0.1rem;
}
#main .fd-title {
  height: 100px \9;
  line-height: 100px\9;
  width: 100%;
  height: 100px;
  line-height: 100px;
  text-align: center;
  color: #000000;
  font-size: 0.24rem;
  background: #fff;
}
#main .fd-content-wrapper .item-wrapper {
  min-height: 200px;
  padding: 20px 0;
}
#main .fd-content-wrapper .item-wrapper.white-bg {
  background: #fff;
}
#main .fd-content-wrapper .item-wrapper .content-box .title {
  font-size: 20px ;
  height: 60px;
  line-height: 60px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  color: #000000;
}
#main .fd-content-wrapper .item-wrapper .content-box .title img {
  width: 60px;
  height: 60px;
  margin-top: 10px;
}
#main .fd-content-wrapper .item-wrapper .content-box .content p {
  line-height: 40px;
  font-size: 20px;
  color: rgba(0, 0, 0, 0.6);
  padding: 10px;
}
#main .fd-content-wrapper .item-wrapper .content-box .content ul {
  width: 100%;
  overflow: hidden;
}
#main .fd-content-wrapper .item-wrapper .content-box .content ul li {
  padding-left: 20px;
  width: 50%;
  float: left;
  height: 40px;
  line-height: 40px;
  font-size: 20px;
  color: rgba(0, 0, 0, 0.6);
}
#main .fd-content-wrapper .item-wrapper .content-box .content ul li:before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #007aff;
  display: inline-block;
  margin-right: 5px;
  vertical-align: middle;
}