.contact-us {
  text-align: center;
}
.contact-us .link-item {
  display: inline-block;
  border: 1px solid #E9E9E9;
  height: 80px;
  width: 360px;
  line-height: 80px;
  margin-right: 24px;
  border-radius: 6px;
  margin-bottom: 48px;
}
.contact-us .link-item img {
  vertical-align: middle;
  margin-right: 8px;
}
.contact-us .link-item span {
  color: #353030;
  font-size: 18px;
}
.contact-us .link-item:last-of-type {
  margin-right: 0;
}
.contact-us .link-item:hover span {
  color: #fe4066;
}
.contact-us h5 {
  font-size: 36px;
  margin: 92px auto 48px;
  font-weight: 400;
}
.contact-us p {
  font-size: 14px;
  color: #8c8889;
  margin-bottom: 22px;
}
.contact-us p i {
  color: #fe4066;
}
.contact-us p a {
  font-size: 18px;
  color: #fe4066;
  padding-bottom: 2px;
}
.contact-us p a:hover {
  border-bottom: 1px solid #fe4066;
}
.contact-us .logos {
  margin: 58px auto 116px;
}
.contact-us .logos .iconfont {
  font-size: 40px;
}
.contact-us .logos .face {
  color: #36508c;
}
.contact-us .logos .twitter {
  color: #21a1f1;
}
.contact-us .logos .linked {
  color: #1166c1;
}
.contact-us .logos .line {
  width: 2px;
  height: 24px;
  display: inline-block;
  vertical-align: super;
  margin: 0 34px;
  background: #f0f0f0;
}
.course {
  height: 610px;
  text-align: center;
  background-color: #f8f6f6;
}
.course .course-logo {
  max-width: 68%;
  margin: 76px auto 0;
}
.course .course-logo .logo-box {
  width: 24.5%;
  display: inline-block;
  position: relative;
}
.course .course-logo .logo-box .line {
  width: 40px;
  height: 3px;
  display: none;
  position: absolute;
  background-color: #fe4066;
  left: 50%;
  transform: translateX(-50%);
}
.course .course-logo .logo-box a {
  display: inline-block;
  font-size: 18px;
  color: #8c8889;
  transition: 0.3s;
}
.course .course-logo .logo-box a .sprites {
  display: inline-block;
  width: 88px;
  height: 88px;
  margin: 0 auto;
  background-image: url('../png/redcon_sprites.png');
}
.course .course-logo .logo-box a .course1 {
  background-position: 0 -440px;
}
.course .course-logo .logo-box a .course2 {
  background-position: 0 -616px;
}
.course .course-logo .logo-box a .course3 {
  background-position: 0 -704px;
}
.course .course-logo .logo-box a .course4 {
  background-position: 0 -792px;
}
.course .course-logo .logo-box a:hover {
  opacity: 0.7;
  color: #fe4066;
}
.course .course-logo .logo-box a:hover + .line {
  display: block;
}
.course .mock-box {
  display: none;
}
.course .course-des {
  padding-top: 92px;
}
.course .course-des h4 {
  font-size: 36px;
  font-weight: 400;
  margin: 0 auto 16px;
}
.course .course-des p {
  font-size: 20px;
  margin: 12px auto 38px;
  color: #8c8889;
}
.course .course-nav {
  font-size: 0;
  letter-spacing: 0;
}
.course .course-nav .mocknav {
  min-width: 170px;
  height: 40px;
  line-height: 40px;
  color: #8c8889;
  font-size: 18px;
  border-radius: 20px 0 0 20px;
  border: 1px solid #c3bfc0;
  display: inline-block;
  cursor: pointer;
}
.course .course-nav .idocnav {
  min-width: 170px;
  height: 40px;
  line-height: 40px;
  color: #8c8889;
  font-size: 18px;
  border-radius: 0 20px 20px 0;
  border: 1px solid #c3bfc0;
  display: inline-block;
  cursor: pointer;
}
.course .course-nav .active {
  color: #ffffff;
  border: 1px solid #fe4066;
  background-color: #fe4066;
}
.trait {
  margin-top: -108px;
  padding-bottom: 50px;
}
.trait .trait-content {
  width: 92%;
  margin: 0 auto;
  text-align: center;
  max-width: 1300px;
}
.trait .trait-content .trait-list {
  margin: 20px;
  height: 158px;
  max-width: 530px;
  vertical-align: top;
  display: inline-block;
  text-align: left;
  border: 1px solid #e9e9e9;
  width: calc((100% - 80px) / 2);
  background-color: #ffffff;
  border-radius: 4px;
  box-sizing: border-box;
  padding: 0 29px;
}
.trait .trait-content .trait-list img {
  margin-top: 40px;
  display: inline-block;
  max-width: 100%;
}
.trait .trait-content .trait-list .list-right {
  width: calc(100% - 109px);
  margin: 12px 0 0 20px;
  vertical-align: top;
  color: #000;
  display: inline-block;
  padding-top: 26px;
}
.trait .trait-content .trait-list .list-right h5 {
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 8px;
  line-height: 24px;
}
.trait .trait-content .trait-list .list-right p {
  color: #8c8889;
  font-size: 14px;
  line-height: 22px;
}
.trait .trait-content .trait-list:hover {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
}
.trait .trait-content .btn {
  display: block;
  width: 200px;
  height: 46px;
  color: #fe4066;
  margin: 60px auto 70px;
  line-height: 46px;
  border-radius: 23px;
  border: 3px solid #fe4066;
}
.trait .trait-content2 {
  display: none;
  width: 92%;
  margin: 0 auto;
  text-align: center;
  max-width: 1300px;
}
.trait .trait-content2 .btn {
  display: block;
  width: 200px;
  height: 46px;
  color: #fe4066;
  margin: 60px auto 70px;
  line-height: 46px;
  border-radius: 23px;
  border: 3px solid #fe4066;
}
.trait .trait-content2 .video-img {
  width: calc((100% - 120px) / 3);
  max-width: 360px;
  display: inline-block;
  vertical-align: top;
  font-size: 0;
  letter-spacing: 0;
  color: #000;
  margin: 20px 20px 16px;
  overflow: hidden;
}
.trait .trait-content2 .video-img:hover .pic:after {
  opacity: 1;
  transition: 0.3s;
  -o-transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
}
.trait .trait-content2 .video-img:hover .pic .logo-img {
  opacity: 1;
}
.trait .trait-content2 .video-img .pic {
  position: relative;
  border: 1px solid #e6e6e6;
  border-radius: 4px;
}
.trait .trait-content2 .video-img .pic:after {
  content: '';
  width: 100%;
  height: 100%;
  border-radius: 4px;
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
.trait .trait-content2 .video-img .pic img {
  width: 100%;
}
.trait .trait-content2 .video-img .pic .logo-img {
  position: absolute;
  opacity: 0;
  width: 58px;
  top: 50%;
  left: 50%;
  z-index: 1;
  transform: translate(-50%, -50%);
}
.trait .trait-content2 .video-img p {
  font-size: 16px;
  font-weight: 400;
  max-width: 326px;
  line-height: 24px;
  margin: 30px auto 0;
}
.mockup {
  height: 500px;
  background-color: #f8f6f6;
}
footer {
  background-color: #ffffff;
}
@media (max-width: 1607px) {
  .trait .trait-content {
    width: 100%;
  }
}
@media (max-width: 1233px) {
  .trait .trait-content .btn {
    margin: 90px auto 110px;
  }
}
@media (max-width: 1216px) {
  .course .course-logo {
    max-width: 96%;
  }
  .course .course-logo .logo-box {
    width: 20.5%;
  }
}
@media (max-width: 1162px) {
  .trait .trait-content .trait-list {
    width: 530px;
  }
  .trait .trait-content2 .video-img {
    width: calc((100% - 120px) / 2);
  }
}
@media (max-width: 951px) {
  .course .course-des h4 {
    font-size: 38px;
  }
}
@media (max-width: 768px) {
  .contact-us h5 {
    font-size: 28px;
  }
  .course .course-des h4 {
    font-size: 28px;
  }
  .course .course-des p {
    font-size: 18px;
  }
  .trait .trait-content .btn {
    margin-bottom: 50%;
  }
}
@media (max-width: 640px) {
  .contact-us .link-item {
    width: 300px;
  }
  .contact-us .link-item span {
    font-size: 16px;
  }
  .trait .trait-content .btn {
    margin: 90px auto 110px;
  }
  .trait .trait-content .trait-list {
    width: calc(100% - 80px);
  }
  .trait .trait-content2 .video-img {
    width: 80%;
  }
  .course {
    height: 560px;
  }
  .course .course-logo a .sprites {
    transform: scale(0.65);
    margin: -15px auto !important;
  }
  .course .course-logo a p {
    font-size: 16px;
  }
  .course .course-des h4 {
    font-size: 22px;
  }
  .course .course-des p {
    font-size: 16px;
  }
}
@media (max-width: 542px) {
  .trait .list-right p {
    font-size: 12px !important;
  }
}
@media (max-width: 490px) {
  .trait .trait-content .trait-list {
    padding: 0 20px;
  }
  .trait .trait-content .trait-list .list-right {
    margin: -5px 0 0 16px;
  }
  .trait .trait-content .trait-list .list-right h5 {
    font-size: 14px;
  }
  .trait .trait-content .trait-list img {
    margin-top: 20px;
  }
}
@media (max-width: 460px) {
  .content-banner h4 {
    max-width: 372px;
    margin: 0 auto;
    padding: 0 30px;
  }
  .contact-us .logos .iconfont {
    font-size: 35px;
  }
  .contact-us .logos .line {
    margin: 0 20px;
  }
  .contact-us p a,
  .contact-us p i {
    font-size: 14px;
  }
  .course .course-des {
    width: 80%;
    margin: 0 auto;
  }
  .faqs .faqs-content {
    background-color: transparent;
  }
  .faqs .faqs-content .nav-btn {
    font-size: 12px;
  }
}
@media (max-width: 375px) {
  .contact-us .logos .line {
    margin: 0 16px;
  }
  .trait .trait-content {
    margin-top: 70px;
  }
  .trait .trait-content .trait-list {
    height: auto;
    margin: 12px;
    padding-bottom: 16px;
  }
  .trait .trait-content .trait-list .list-right {
    margin: 0;
    width: 100%;
  }
  .trait .trait-content .trait-list img {
    display: none;
  }
  .trait .trait-content .btn {
    margin: 70px auto;
  }
  .trait .trait-content2 {
    margin-top: 70px;
  }
  .trait .trait-content2 .video-img .pic .logo-img {
    width: 45px;
  }
  .trait .trait-content2 .video-img p {
    font-size: 14px;
  }
  .course {
    height: 480px;
  }
  .course .course-nav .mocknav,
  .course .course-nav .idocnav {
    min-width: 130px;
    font-size: 14px;
  }
  .course .course-logo {
    margin-top: 56px;
  }
  .faqs {
    padding-top: 50px;
  }
}
@media (max-width: 340px) {
  .contact-us {
    margin: 66px auto 44px;
  }
  .contact-us p {
    font-size: 12px;
  }
  .contact-us p a,
  .contact-us p i {
    font-size: 12px;
  }
}