#top {
  width: 0.7rem;
  position: fixed;
  right: 30px;
  bottom: 10%;
  font-size: 0;
  z-index: 10;
}
#top a {
  display: inline-block;
  width: 100%;
  margin-bottom: 10px;
}
#top a img {
  display: block;
  width: 100%;
}

#subsequent {
  width: 100%;
  background: white;
  padding: 50px 0;
}
#subsequent .content {
  width: 1200px;
  height: 480px;
  margin: auto;
  position: relative;
  margin-top: 30px;
}

canvas {
  position: absolute;
}

#can1 {
  z-index: 1;
}

#can2 {
  top: 0;
  left: 305px;
  z-index: 2;
}

#can3 {
  top: 0;
  left: 765px;
  z-index: 1;
}

#can4 {
  top: 240px;
  left: 0;
  z-index: 4;
}

#can5 {
  top: 240px;
  left: 500px;
  z-index: 3;
}

.page {
  width: 100%;
  overflow: hidden;
  margin-top: 30px;
}
.page li {
  height: 0.3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-line-pack: center;
      align-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  font-size: 0.2rem;
  padding-left: 0.5em;
  padding-right: 0.5em;
  border: 1px solid #b4b4b4;
  background: white;
  color: black;
  margin: 0 2.5px;
  float: left;
}

.thisclass {
  background: #1d65d4 !important;
  color: white !important;
}

#banner {
  width: 100%;
  position: relative;
}
#banner img {
  display: block;
  width: 100%;
}
#banner .banner-content {
  position: absolute;
  top: 15%;
  left: 6%;
}
#banner .banner-content h2 {
  font-size: 0.34rem;
  color: white;
  margin-bottom: 10px;
}
#banner .banner-content p {
  width: 5rem;
  font-size: 0.2rem;
  color: white;
  line-height: 1.5;
  text-align: left;
}

nav {
  width: 100%;
  height: 30px;
  background: #eeeeee;
}
nav div {
  width: 85%;
  min-width: 1200px;
  margin: auto;
  height: 30px;
  line-height: 30px;
  color: #828691;
  font-size: 0.2rem;
}
nav a:hover {
  color: #1d65d4;
}

#content {
  width: 100%;
  background: #fff;
  padding: 50px 0;
}
#content > div {
  width: 85%;
  min-width: 1200px;
  margin: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
#content > div .content-nav {
  width: 16%;
}
#content > div .content-nav h2 {
  width: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 5px 15px;
  font-size: 0.18rem;
  color: white;
  background: #1d65d4;
  font-weight: 100;
}
#content > div .content-nav > a {
  display: block;
  width: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 15px 15px;
  font-size: 0.18rem;
  background: #eeeeee;
  border-bottom: 1px solid #ccc;
  color: #212121;
  text-align: center;
}
#content > div .content-nav > a.check, #content > div .content-nav > a:hover {
  background: #f7f7f7;
  cursor: pointer;
}
#content > div .content-nav > a:hover {
  color: #ff0000;
}
#content > div .content-text {
  width: calc(100% - 16% - 50px);
}
#content > div .content-text h2 {
  width: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 5px 15px;
  font-size: 0.30rem;
  border-bottom: 1px solid #ccc;
  color: #5d5d5d;
}
#content > div .content-text-nav {
  background: #eeeeee;
  margin-top: 30px;
  padding: 10px 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#content > div .content-text-nav p {
  width: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-line-pack: center;
      align-content: center;
  font-size: 0.18rem;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding-left: 20px;
  margin-bottom: 10px;
  color: #212121;
}
#content > div .content-text-nav p span {
  width: 7px;
  height: 7px;
  line-height: 7px;
  background: #1d65d4;
  border-radius: 50%;
  margin-right: 10px;
}
#content > div .content-text-nav p a {
  width: calc(100% - 17px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#content > div .content-text-nav p a:hover {
  cursor: pointer;
  color: #ff0000;
}
#content > div .content-text-body {
  margin-top: 10px;
  border-bottom: 1px solid #ccc;
  padding: 10px 0 30px 0;
}
#content > div .content-text-body h1 {
  font-size: 0.3rem;
  margin-bottom: 5px;
  color: #787878;
}
#content > div .content-text-body .q_and_a {
  margin-bottom: 10px;
}
#content > div .content-text-body .q_and_a .quertion:hover {
  cursor: pointer;
}
#content > div .content-text-body .q_and_a > div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 5px 0;
}
#content > div .content-text-body .q_and_a > div > div:nth-child(1) {
  width: 1rem;
  text-align: right;
  font-size: 0;
}
#content > div .content-text-body .q_and_a > div > div:nth-child(1) i {
  display: inline-block;
  width: 0.19rem;
  height: 0.19rem;
  line-height: 0.19rem;
  font-size: 0.2rem;
  background: white;
  text-align: center;
  border: 1px solid #cccccc;
  font-style: normal;
  margin-right: 10px;
}
#content > div .content-text-body .q_and_a > div > div:nth-child(1) span {
  font-size: 0.18rem;
}
#content > div .content-text-body .q_and_a > div .text {
  width: calc(100% - 1rem - 10px);
  font-size: 0.18rem;
  color: #6f6f6f;
}
#content > div .content-text-body .q_and_a > .answer {
  display: none;
}
#content > div .content-text-body .open {
  background: #edf5ff;
}
#content > div .content-text-body .open .text {
  color: #000 !important;
}
#content > div .content-text-body .quertion .text:hover {
  color: #ff0000 !important;
}
#content > div .content-text-body.check h1 {
  color: #1d65d4;
}
#content > div .content-text-body.check .answer {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}