head,
body {
  background-color: #ffffff;
  min-width: 12rem;
}
section {
  overflow: hidden;
}

footer {
  width: 100%;
}

.none {
  display: none !important;
}
header {
  width: 100%;
  height: 0.88rem;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9;
}
header.bg_white {
  background: #fff;
  box-shadow: 0rem 10rem 10rem 1rem rgba(77, 129, 188, 0.0588);
}
header nav {
  width: 12rem;
  height: 0.88rem;
  margin: 0 auto;
}
header nav .header_left img {
  width: 0.48rem;
  height: 0.48rem;
}
header nav .header_left p {
  color: #333333;
  font-size: 0.24rem;
  margin: 0 0.2rem 0 0.07rem;
}
header nav .header_left ul {
  padding-left: 0.2rem;
  border-left: 1px solid #999;
}
header nav .header_left ul li {
  font-size: 0.14rem;
  color: #666666;
  line-height: 1;
}
header nav .header_left ul li:first-child {
  margin-bottom: 0.04rem;
}
header nav .header_right a {
  font-size: 0.16rem;
  color: #333333;
  margin-left: 0.48rem;
}
header nav .header_right a:hover {
  color: #ff7447;
}
header nav .header_right .button {
  display: block;
  width: 1.4rem;
  height: 0.44rem;
  border-radius: 0.3rem;
  text-align: center;
  line-height: 0.44rem;
  color: #ffffff;
  font-weight: bold;
  font-size: 0.18rem;
  background: #5f48ff;
}
header nav .header_right .button:hover {
  color: #ffffff;
  background: #7f6dff;
}
section {
  padding-top: 0.88rem;
}

section .banner {
  width: 100%;
  height: 5.4rem;
}

section .banner .content {
  width: 12rem;
  margin: 0 auto;
  padding-top: 1.34rem;
}
section .banner .content h1 {
  font-size: 0.48rem;
  font-weight: bold;
  color: #ffffff;
  position: relative;
  line-height: 1;
}
section .banner .content .introduce {
  font-size: 0.2rem;
  line-height: 0.3rem;
  margin-top: 0.15rem;
  color: #ffffff;
}
section .characteristic .content .cord a,
section .banner .content .button {
  width: 1.9rem;
  height: 0.6rem;
  background: #ffffff;
  border-radius: 0.3rem;
  line-height: 0.6rem;
  text-align: center;
  font-size: 0.18rem;
  color: #5f48ff;
  margin-top: 0.66rem;
}
section .characteristic .content .cord a:hover,
section .banner .content .button:hover {
  color: #5f48ff;
  background: #d4deff;
}
section .banner .content .int {
  font-size: 0.13rem;
  line-height: 0.36rem;
  color: #aebfff;
  margin-top: 0.18rem;
}
.main h2 {
  padding: 1rem 0 0.2rem;
  position: relative;
  font-weight: bold;
  font-size: 0.32rem;
  line-height: 0.24rem;
  text-align: center;
}
.main h2::after {
  content: "";
  width: 0.38rem;
  height: 0.04rem;
  background: linear-gradient(90deg, #81bcff 0%, #5f48ff 100%);
  position: absolute;
  left: 50%;
  margin-left: -0.19rem;
  bottom: 0;
}

.main .instructions {
  background: #f8fcff;
  padding-bottom: 1rem;
}
.main .instructions ul {
  padding-top: 0.85rem;
  margin: 0 auto;
}
.main .instructions ul li {
  margin: 0 -0.15rem;
  padding-left: 0.4rem;
  height: 1.93rem;
}
.main .instructions ul li:nth-child(1) {
  width: 3.33rem;
  background: url(../img/shape_1.png) no-repeat center;
  background-size: 100%;
}
.main .instructions ul li:nth-child(2),
.main .instructions ul li:nth-child(3) {
  width: 3.31rem;
  background: url(../img/shape_2.png) no-repeat center;
  background-size: 100%;
}
.main .instructions ul li:nth-child(4) {
  width: 3.15rem;
  background: url(../img/shape_3.png) no-repeat center;
  background-size: 100%;
}
.main .instructions ul li .title {
  font-size: 0.2rem;
  font-weight: bold;
  color: #333333;
}
.main .instructions ul li em {
  display: block;
  width: 0.36rem;
  min-width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  text-align: center;
  font-weight: bold;
  color: #ffffff;
  line-height: 0.36rem;
  font-size: 0.2rem;
  background: #5f48ff;
  margin-left: 0.1rem;
}
.main .instructions ul li .int {
  margin-top: 0.16rem;
  font-size: 0.16rem;
  color: #999999;
  line-height: 0.24rem;
  height: 0.48rem;
}
.main .subtool {
}
.main .subtool .card {
  width: 12rem;
  padding-top: 0.8rem;
  margin: 0 auto;
}
.main .subtool .card h3 {
  display: inline-block;
  font-size: 0.32rem;
  font-weight: bold;
  color: #333333;
  position: relative;
  margin-bottom: 0.33rem;
}
.main .subtool .card h3 span {
  position: relative;
  z-index: 1;
}
.main .subtool .card h3::before {
  content: "";
  width: 100%;
  height: 0.16rem;
  background: #f1f3ff;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 0;
}
.main .subtool .card p {
  font-size: 0.16rem;
  color: #999999;
  line-height: 0.3rem;
}
.main .subtool .card img {
  width: 7.01rem;
  height: 4.37rem;
}
.main .subtool .card:last-child img {
  width: 6.84rem;
}
.main .course {
  padding-top: 1rem;
  padding-bottom: 1.2rem;
}
.main .course .content {
  width: 12rem;
  margin: 0 auto;
  padding-top: 0.4rem;
}
.main .course .content a {
  display: block;
  width: 5.8rem;
  height: 0.64rem;
  background: #f7f9fa;
  border-radius: 0.16rem;
  margin-top: 0.2rem;
  font-size: 0.18rem;
  font-weight: bold;
  color: #333333;
  line-height: 0.64rem;
  padding-left: 0.36rem;
}
.main .course .content a:nth-child(2n - 1) {
  margin-right: 0.4rem;
}
.main .course .content a span {
  color: #5f48ff;
  margin-right: 0.2rem;
}
.main .course .content a:hover {
  background: #f5f1ff;
}
.main .course .recommend {
  padding-top: 0.6rem;
  font-size: 0.14rem;
}
.main .course .recommend span {
  color: #666666;
}
.main .course .recommend a {
  display: block;
  width: 1.2rem;
  height: 0.36rem;
  background: #f7f9fa;
  border-radius: 0.08rem 0.08rem 0.08rem 0.08rem;
  text-align: center;
  line-height: 0.36rem;
  color: #666666;
}
.main .course .recommend a:not(:last-child) {
  margin-right: 0.2rem;
}
.main .course .recommend a:hover {
  color: #5f48ff;
  background: #f5f1ff;
}

.main .banner_footer {
  width: 100%;
  height: 3.6rem;
  text-align: center;
}

.main .banner_footer .content {
  width: 12rem;
  margin: 0 auto;
  padding-top: 0.81rem;
}
.main .banner_footer .content h1 {
  font-size: 0.48rem;
  font-weight: bold;
  color: #ffffff;
  position: relative;
  line-height: 1;
}
.main .banner_footer .content .introduce {
  font-size: 0.2rem;
  line-height: 0.3rem;
  margin-top: 0.15rem;
  color: #ffffff;
}
.main .banner_footer .content .button {
  display: block;
  width: 1.9rem;
  height: 0.6rem;
  background: #ffffff;
  border-radius: 0.3rem;
  line-height: 0.6rem;
  text-align: center;
  font-size: 0.18rem;
  color: #5f48ff;
  margin: 0.66rem auto 0;
}
.main .banner_footer .content .button:hover {
  color: #5f48ff;
  background: #d4deff;
}
footer {
  width: 100%;
  height: 0.6rem;
  padding: 0.18rem 0;
  text-align: center;
  background: #262b36;
}
footer p {
  font-size: 0.12rem;
  color: #999999;
  line-height: 0.24rem;
}
footer p a {
  color: #999999;
}
footer p i {
  height: 0.13rem;
  width: 1px;
  background: #999999;
  margin: 0 0.08rem;
}

section .banner {
  background: url(../img/CAJ/caj_banner.png) no-repeat center;
  background-size: cover;
}
.main .banner_footer {
  background: url(../img/CAJ/caj_Bottom.png) no-repeat center;
  background-size: cover;
}