@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-resolve {
  overflow-x: hidden;
  background: #E4EFFF;
}
#main {
  background: #E4EFFF;
}
#main .resolve-content {
  min-height: 310px \9;
  min-height: 3.1rem;
}
#main .fd-content-wrapper .item-wrapper {
  padding: 20px 0 !important;
}
#main .fd-content-wrapper .item-wrapper.white-bg {
  background: #fff;
}
#main .fd-content-wrapper .item-wrapper .fd-content {
  height: 500px;
  width: 1200px;
  margin: 20px 0;
  overflow: hidden;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left {
  width: 570px;
  margin: 0 15px;
  height: 100%;
  float: left;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  overflow: hidden;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left:hover img {
  transform: scale(1.2);
}
#main .fd-content-wrapper .item-wrapper .fd-content .left:hover .text-wrapper {
  display: none;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left:hover .desc {
  display: block;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left img {
  height: 100%;
  width: 100%;
  position: absolute;
  z-index: 0;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left .desc {
  display: none;
  height: 100%;
  width: 100%;
  background: #3693F0;
  z-index: 500;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left .desc h3 {
  color: #fff;
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 26px;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left .desc p {
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 20px;
  text-indent: 40px;
  letter-spacing: 1px;
  line-height: 30px;
  height: 30px;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left .text-wrapper {
  height: 200px;
  width: 200px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 200px;
  z-index: 500;
  cursor: pointer;
  display: block;
}
#main .fd-content-wrapper .item-wrapper .fd-content .left .text-wrapper p {
  color: #fff;
  font-size: 32px;
  height: 200px;
  line-height: 200px;
  width: 100%;
  text-align: center;
  transition: 0.8s;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right {
  width: 570px;
  margin: 0 15px;
  height: 100%;
  float: right;
  overflow: hidden;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top {
  margin-bottom: 30px;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom {
  width: 100%;
  height: 235px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  overflow: hidden;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top:hover img,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom:hover img {
  transform: scale(0.8);
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top:hover .text-wrapper,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom:hover .text-wrapper {
  display: none;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top:hover .desc,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom:hover .desc {
  display: block;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top img,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom img {
  height: 100%;
  width: 100%;
  position: absolute;
  z-index: 0;
  transition: all 1s ease;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top .desc,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom .desc {
  display: none;
  height: 100%;
  width: 100%;
  background: #3693F0;
  z-index: 500;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top .desc h3,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom .desc h3 {
  color: #fff;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 26px;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top .desc p,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom .desc p {
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 20px;
  text-indent: 40px;
  letter-spacing: 1px;
  line-height: 30px;
  height: 30px;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top .text-wrapper,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom .text-wrapper {
  height: 200px;
  width: 200px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 200px;
  z-index: 500;
  cursor: pointer;
  display: block;
}
#main .fd-content-wrapper .item-wrapper .fd-content .right .top .text-wrapper p,
#main .fd-content-wrapper .item-wrapper .fd-content .right .bottom .text-wrapper p {
  color: #fff;
  font-size: 32px;
  height: 200px;
  line-height: 200px;
  width: 100%;
  text-align: center;
  transition: 0.8s;
}
#main .chapter {
  padding: 30px 10px \9;
  padding: 0.3rem 1rem;
}
#main h2 {
  line-height: 70px \9;
  padding-left: 40px\9;
  color: #333333;
  line-height: 0.7rem;
  position: relative;
  padding-left: 0.4rem;
}
#main h2 img {
  width: 30px \9;
  height: 30px \9;
  margin-top: -15px \9;
  width: 0.3rem;
  height: 0.3rem;
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -0.15rem;
}
#main h5 {
  line-height: 40px \9;
  cursor: pointer;
  color: #999999;
  line-height: 0.4rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 50%;
  float: left;
}
#main h5 a {
  color: #999999;
}
#main h5 a:hover {
  opacity: 0.8;
}