.bg_blue {
  background: #a4c6fc;
}

.bg_yellow {
  background: #fbeee1;
}

.bg-red {
  background: #fdc3c1;
}

.bg_perp {
  background: #b3a5fb;
}

.bg_green {
  background: #9deaf1;
}

.bg_light_green {
  background: #89f3ca;
}

.bg-class {
  background: rgba(27, 140, 218, 0.15);
  margin-top: 29px;
}

.bg-coper {
  background: rgba(251, 189, 61, 0.15);
}

.platform-cont {
  width: 100%;
  /* height: 100%; */
  overflow: auto;
}

.platform-cont .search-container {
  width: 100%;
  position: relative;
  background: url(platform_search_bg.png) no-repeat center;
  height: 364px;
  background-size: cover;
}

.platform-cont .search-container .banner {
  width: 100%;
  /* height: 100%; */
}

.platform-cont .search-container .search-detail {
  box-sizing: border-box;
  padding: 54px 0 57px;
  display: flex;
  height: 100%;
  top: 0;
  left: 0;
  align-items: center;
  justify-content: center;
}

.platform-cont .search-container .search-detail img {
  width: 100%;
}

.platform-cont .search-container .search-cont {
  height: 62px;
  background: #ffffff;
  border: 1px solid #66a6ff;
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin-left: 6.2rem;
  padding: 0;
}

.platform-cont .search-container .search-cont span {
  font-size: 14px;
  color: #b6b4b4;
  height: 100%;
  text-align: center;
  width: 15%;
  border-right: 1px solid #dedede;
  line-height: 62px;
}

.platform-cont .search-container .search-cont input {
  outline: none;
  box-shadow: none;
  border: none;
  width: 70%;
  font-size: 14px;
  color: #dedede;
  line-height: 67px;
  height: 100%;
  box-sizing: border-box;
  padding: 0 12px;
}

.platform-cont .search-container .search-cont ::-webkit-input-placeholder {
  color: #dedede;
  line-height: 67px;
  font-size: 14px;
}

.platform-cont .platform-detail-cont {
  display: flex;
  flex-wrap: wrap;
}

.platform-cont .platform-detail-cont .platform-tab {
  display: -ms-flexbox; /* IE10 */
  display: flex; /* Standard */
  height: 112px;
  -ms-flex-align: center; /* IE10 */
  align-items: center; /* Standard */
  -ms-flex-pack: distribute; /* IE10 (equivalent to space-around) */
  justify-content: space-around; /* Standard */
}

.platform-cont .platform-detail-cont .platform-tab span {
  font-size: 22px;
  color: #000;
  position: relative;
  line-height: 20px;
}

.platform-cont .platform-detail-cont .platform-tab span.active {
  color: #218ee1;
}

.platform-cont .platform-detail-cont .platform-tab span:hover {
  cursor: pointer;
  color: #218ee1;
}

.platform-cont .platform-detail-cont .platform-tab span.active::after,
.platform-cont .platform-detail-cont .platform-tab span:hover::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 4px;
  background: #218ee1;
  bottom: -4px;
  left: 0;
}

.platform-cont .platform-detail-cont .platform-item-cont {
  display: flex;
  justify-content: space-around;
}

.platform-cont .platform-detail-cont .platform-item-cont .platform-items {
  width: 30%;
  height: 96px;
  border-radius: 4px;
  background: #66a6ff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.platform-cont .platform-detail-cont .platform-item-cont .platform-items em {
  width: 48px;
  height: 55px;
  margin-right: 10px;
}

.platform-cont .platform-detail-cont .platform-item-cont .platform-items span {
  font-size: 20px;
  color: #fff;
  line-height: 96px;
}

.platform-cont
  .platform-detail-cont
  .platform-item-cont
  .platform-items
  .icon-platform-item-1 {
  display: inline-block;
  background: url("icon_platform_item_1.png");
  background-size: 100%;
}

.platform-cont
  .platform-detail-cont
  .platform-item-cont
  .platform-items
  .icon-platform-item-2 {
  display: inline-block;
  background: url("icon_platform_item_2.png");
  background-size: 100%;
}

.platform-cont .platform-detail-cont .platform-intro-cont {
  box-sizing: border-box;
  padding: 38px 11px 39px 18px;
  background: #f2f7fe;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

.platform-cont
  .platform-detail-cont
  .platform-intro-cont
  .platform-intro-detail {
  margin: 10px 30px;
}

.platform-cont
  .platform-detail-cont
  .platform-intro-cont
  .platform-intro-detail
  span {
  display: inline-block;
  font-size: 36px;
  color: #000;
  position: relative;
  height: 36px;
  line-height: 36px;
}

.platform-cont
  .platform-detail-cont
  .platform-intro-cont
  .platform-intro-detail
  span::after {
  content: "";
  position: absolute;
  width: 100%;
  bottom: -8px;
  height: 4px;
  background: #000;
  left: 0;
}

.platform-cont
  .platform-detail-cont
  .platform-intro-cont
  .platform-intro-detail
  p {
  text-indent: 2em;
  margin: 0;
  margin-top: 24px;
  font-size: 22px;
  color: #5c5a5a;
}

.platform-cont .corperation-cont {
  margin-top: 52px;
  width: 100%;
}

.platform-cont .corperation-cont p {
  font-size: 28px;
  color: #000;
  height: 26px;
  line-height: 26px;
  margin: 0;
  margin-bottom: 14px;
  margin-left: 15rem;
}

.platform-cont .corperation-cont .corperation-detail {
  background: #66a6ff;
  box-sizing: border-box;
  display: flex;
  /* justify-content: center; */
}

.platform-cont .corperation-cont .corperation-detail .corperation-detail-cont {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
  padding: 45px 0;
}

.platform-cont
  .corperation-cont
  .corperation-detail
  .corperation-detail-cont
  img {
  box-sizing: border-box;
  width: 100%;
  margin-bottom: 20px;
}

.platform-cont .car-cont {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.platform-cont .car-cont .book-way-cont {
  width: 100%;
  background: rgba(139, 178, 195, 0.15);
  padding: 39px 0 21px;
  margin-top: 15px;
  display: flex;
  /* justify-content: center; */
}

.platform-cont .car-cont .book-way-cont .book-way-detail .book-way-title {
  display: inline-block;
  height: 28px;
  color: #333;
  line-height: 28px;
  position: relative;
  font-size: 28px;
  margin-bottom: 22px;
}

.platform-cont
  .car-cont
  .book-way-cont
  .book-way-detail
  .book-way-title::after {
  position: absolute;
  width: 100%;
  height: 3px;
  background: #000;
  content: "";
  bottom: -6px;
  left: 0;
}

.platform-cont .tec-dream-cont {
  width: 100%;
  display: flex;
  /* justify-content: center; */
  flex-wrap: wrap;
}

.platform-cont .tec-dream-cont .about-car-cont {
  background: #faddb2;
}

.platform-cont .tec-dream-cont .brand-column-cont {
  background: rgba(243, 108, 58, 0.15);
  display: flex;
  /* justify-content: center; */
  width: 100%;
  margin-top: 20px;
}

.platform-cont .tec-dream-cont .brand-column-cont .brand-column-cont-detail {
  padding: 20px 0 27px;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-column-cont-title {
  display: inline-block;
  position: relative;
  font-size: 26px;
  height: 26px;
  line-height: 26px;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-column-cont-title::after {
  position: absolute;
  content: "";
  height: 3px;
  width: 100%;
  bottom: -6px;
  left: 0;
  background: #000;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items {
  margin-top: 45px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail {
  background: #ffffff;
  box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
  border-radius: 5px;
  display: flex;
  margin-bottom: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.item-detail img {
  padding: 0px;
  border-radius: 5px;
  width: 100%;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail
  div {
  box-sizing: border-box;
  padding: 20px;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail
  > div:first-child {
  padding: 0px;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail
  span {
  font-size: 18px;
  color: #5e5c5c;
  display: inline-block;
  height: 18px;
  line-height: 18px;
  position: relative;
  margin-bottom: 0.7rem;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail
  span::after {
  content: "";
  position: absolute;
  width: 100%;
  left: 0;
  bottom: -4px;
  height: 1px;
  background: rgba(0, 0, 0, 0.52);
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont
  .brand-column-cont-detail
  .brand-colunm-items
  .item-detail
  p {
  text-indent: 2em;
  color: #5e5c5c;
  font-size: 14px;
  margin: 0;
}

.platform-cont .tec-dream-cont .brand-column-cont.active {
  background: rgba(139, 178, 195, 0.15);
}

.platform-cont .tec-dream-cont .brand-column-cont.active .brand-colunm-items {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont.active
  .brand-colunm-items
  li {
  width: 23%;
  padding: 0 1rem;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont.active
  .brand-colunm-items
  li
  img {
  display: block;
  width: 100%;
}

.platform-cont
  .tec-dream-cont
  .brand-column-cont.active
  .brand-colunm-items
  li
  p {
  height: 34px;
  line-height: 34px;
  text-align: center;
  font-size: 12px;
  color: #5e5c5c;
}

.platform-cont .study-base-cont {
  display: flex;
  flex-wrap: wrap;
}

.platform-cont .study-base-cont .about-car-cont {
  background: #afbefb;
}

.platform-cont .study-base-cont .course-content {
  padding: 25px;
  padding-bottom: 0;
  box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.platform-cont .study-base-cont .course-content .course-content-item {
  display: flex;
  align-items: center;
  justify-content: center;
  /* height: 11.2rem; */
  margin-bottom: 25px;
  box-sizing: border-box;
  padding: 10px 0;
}

.platform-cont .study-base-cont .course-content .course-content-item img {
  width: 52%;
  margin-right: 0.8rem;
}

.platform-cont .study-base-cont .course-content .course-content-item span {
  font-size: 18px;
  color: #000;
}

.platform-cont .study-base-cont .classes-cont {
  width: 100%;
  padding: 20px 0 39px;
  display: flex;
}

.platform-cont .study-base-cont .classes-cont .inner-cont span {
  font-size: 26px;
  color: #333;
  display: inline-block;
  height: 26px;
  line-height: 26px;
  position: relative;
}

.platform-cont .study-base-cont .classes-cont .inner-cont span::after {
  content: "";
  position: absolute;
  bottom: -6px;
  width: 100%;
  height: 3px;
  background: #333;
  left: 0;
}

.platform-cont .study-base-cont .classes-cont .inner-cont .inner-cont-detail {
  margin-top: 46px;
  display: -ms-flexbox; /* IE10 */
  display: flex; /* Standard */
  -ms-flex-align: center; /* IE10 */
  align-items: center; /* Standard */
  -ms-flex-pack: distribute; /* IE10 */
  justify-content: space-around; /* Standard */
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .btn-cont {
  width: 6%;
  display: -ms-flexbox; /* IE10 */
  display: flex; /* Standard */
  -ms-flex-align: center; /* IE10 */
  align-items: center; /* Standard */
  -ms-flex-pack: center; /* IE10 */
  justify-content: center; /* Standard */
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .btn-cont
  .icon-pre {
  display: inline-block;
  width: 16px;
  height: 21px;
  background: url("icon_left.png");
  background-size: 100% 100%;
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .btn-cont
  .icon-next {
  display: inline-block;
  width: 16px;
  height: 21px;
  background: url("icon_right.png");
  background-size: 100% 100%;
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .btn-cont
  em:hover {
  cursor: pointer;
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .inner-item {
  display: inline-block;
  width: 20%;
  background: #ffffff;
  box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
  border-radius: 5px;
  overflow: hidden;
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .inner-item
  img {
  width: 100%;
}

.platform-cont
  .study-base-cont
  .classes-cont
  .inner-cont
  .inner-cont-detail
  .inner-item
  p {
  font-size: 12px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  color: #5e5c5c;
}

.cont-advert {
  position: fixed;
  width: 223px;
  height: 458px;
  background: #85b8ff;
  border-radius: 10px;
  right: 9px;
  top: 300px;
  box-sizing: border-box;
  padding: 38px 21px 33px 25px;
  z-index: 999;
}

.cont-advert .phone-cont {
  box-sizing: border-box;
  padding-bottom: 16px;
  border-bottom: 2px solid #fff;
}

.cont-advert .phone-cont .phone-intro {
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cont-advert .phone-cont .phone-intro em {
  width: 22px;
  height: 22px;
  background: url("icon_tel.png");
  background-size: 100% 100%;
  margin-right: 4px;
}

.cont-advert .phone-cont .phone-intro span {
  font-size: 20px;
  line-height: 22px;
  color: #fff;
}

.cont-advert .phone-cont p {
  height: 22px;
  margin: 0;
  text-align: center;
  font-size: 22px;
  color: #fff;
  margin-top: 7px;
}

.cont-advert .tencent-cont {
  box-sizing: border-box;
  padding-top: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid #fff;
}

.cont-advert .tencent-cont .tencent-intro {
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cont-advert .tencent-cont .tencent-intro em {
  width: 22px;
  height: 22px;
  background: url("icon_qq.png");
  background-size: 100% 100%;
  margin-right: 4px;
}

.cont-advert .tencent-cont .tencent-intro span {
  font-size: 20px;
  line-height: 22px;
  color: #fff;
}

.cont-advert .tencent-cont p {
  height: 22px;
  margin: 0;
  text-align: center;
  font-size: 22px;
  color: #fff;
  margin-top: 7px;
}

.cont-advert .code-cont p {
  color: #fff;
  text-align: center;
  margin: 0;
}

.cont-advert .code-cont img {
  display: block;
  width: 100%;
  margin-top: 7px;
}

.cont-advert .code-cont p:first-of-type {
  font-size: 18px;
  height: 18px;
  line-height: 18px;
  margin-top: 13px;
}

.cont-advert .code-cont p:last-of-type {
  font-size: 22px;
  height: 22px;
  line-height: 22px;
  margin-top: 11px;
}

.about-car-cont {
  box-sizing: border-box;
  padding: 36px 40px 36px 13px;
  background: #a2f4ca;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
}

.about-car-cont .about-car-title {
  display: inline-block;
  font-size: 36px;
  color: #000;
  height: 36px;
  line-height: 36px;
  position: relative;
  margin: 28px 0;
}

.about-car-cont .about-car-title::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 4px;
  background: #000;
  bottom: -9px;
  left: 0;
}

.about-car-cont p {
  font-size: 20px;
  color: #5c5a5a;
  line-height: 30px;
  text-indent: 2em;
}

.car-message {
  margin-top: 12px;
}

.car-message .car-message-title {
  display: inline-block;
  font-size: 28px;
  height: 28px;
  line-height: 28px;
  color: #333;
  position: relative;
  margin-bottom: 21px;
}

.car-message .car-message-title::after {
  position: absolute;
  width: 100%;
  height: 3px;
  background: #000;
  content: "";
  bottom: -6px;
  left: 0;
}

.car-message .car-message-detail {
  box-sizing: border-box;
  padding: 46px 54px 30px 46px;
  box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
}

.car-message .car-message-detail .car-message-img-cont img {
  width: 100%;
}

.car-message .car-message-detail .car-message-img-cont p {
  font-size: 22px;
  color: #333;
  text-align: center;
  line-height: 16px;
  margin: 0;
  margin-top: 20px;
  line-height: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.car-message .car-message-detail .car-message-list-cont li {
  border-bottom: 1px solid rgba(53, 52, 52, 0.1);
  padding-top: 14px;
}

.car-message .car-message-detail .car-message-list-cont li div {
  display: flex;
  align-items: center;
}

.car-message .car-message-detail .car-message-list-cont li div .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: #000;
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
}

.car-message .car-message-detail .car-message-list-cont li div span {
  font-size: 22px;
  color: #393939;
  flex: 1;
}

.car-message .car-message-detail .car-message-list-cont li p {
  margin: 10px 0;
  text-align: right;
  font-size: 16px;
  height: 16px;
  line-height: 16px;
}

.btn-cont em:hover {
  opacity: 0.8;
}

.yuyue-line > div {
  font-size: 18px;
  float: left;
  width: 15%;
  text-align: center;
  margin-right: 5%;
  position: relative;
  background: #fff;
  border-radius: 10px;
}

.yuyue-line > div:before {
  content: "";
  width: 40px;
  height: 40px;
  background: url(detail-jiantou.png) no-repeat center;
  top: 40%;
  right: -40px;
  position: absolute;
}

.yuyue-line > div:last-child:before {
  display: none;
}

.yuyue-line img {
  max-width: 100%;
}

.yuyue-line p {
  padding: 0px 4px;
}
@media screen and (max-width: 1199px) {
  .platform-cont .search-container .search-detail img {
    width: 70%;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    > div:first-of-type {
    padding: 10px;
  }

  .cont-advert {
    position: fixed;
    width: 160px;
    height: 340px;
    background: #85b8ff;
    border-radius: 10px;
    right: 9px;
    top: 200px;
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding: 10px 21px 10px 25px;
    z-index: 999;
  }

  .cont-advert .phone-cont {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding-bottom: 16px;
    border-bottom: 1px solid #fff;
  }

  .cont-advert .phone-cont .phone-intro {
    height: 22px;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
  }

  .cont-advert .phone-cont .phone-intro em {
    width: 16px;
    height: 16px;
    background: url("icon_tel.png");
    background-size: 100% 100%;
    margin-right: 4px;
  }

  .cont-advert .phone-cont .phone-intro span {
    font-size: 14px;
    line-height: 14px;
    color: #fff;
  }

  .cont-advert .phone-cont p {
    height: 10px;
    margin: 0;
    text-align: center;
    font-size: 16px;
    color: #fff;
    margin-top: 7px;
  }

  .cont-advert .tencent-cont {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding-top: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid #fff;
  }

  .cont-advert .tencent-cont .tencent-intro {
    height: 22px;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
  }

  .cont-advert .tencent-cont .tencent-intro em {
    width: 16px;
    height: 16px;
    background: url("icon_qq.png");
    background-size: 100% 100%;
    margin-right: 4px;
  }

  .cont-advert .tencent-cont .tencent-intro span {
    font-size: 14px;
    line-height: 22px;
    color: #fff;
  }

  .cont-advert .tencent-cont p {
    height: 10px;
    margin: 0;
    text-align: center;
    font-size: 16px;
    color: #fff;
    margin-top: 7px;
  }

  .cont-advert .code-cont p {
    color: #fff;
    text-align: center;
    margin: 0;
  }

  .cont-advert .code-cont img {
    display: block;
    width: 100%;
    margin-top: 7px;
  }

  .cont-advert .code-cont p:first-of-type {
    font-size: 14px;
    height: 18px;
    line-height: 18px;
    margin-top: 13px;
  }

  .cont-advert .code-cont p:last-of-type {
    font-size: 15px;
    /*height: 18px;*/
    line-height: 18px;
    margin-top: 11px;
  }
}

@media screen and (max-width: 991px) {
  .platform-cont
    .tec-dream-cont
    .brand-column-cont.active
    .brand-colunm-items
    li {
    width: 50%;
  }

  .platform-cont .search-container {
    height: 200px;
  }

  .platform-cont .search-container .search-detail img {
    width: 78%;
  }

  .cont-advert {
    display: none;
  }

  .about-car-cont {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding: 36px 40px 36px 13px;
    background: #a2f4ca;
    border-radius: 2px;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    -ms-flex-pack: distribute; /* IE 10 */
    justify-content: space-around; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .about-car-cont .about-car-title {
    display: inline-block;
    font-size: 36px;
    color: #000;
    height: 36px;
    line-height: 36px;
    position: relative;
    margin: 28px 0;
  }

  .about-car-cont .about-car-title::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 4px;
    background: #000;
    bottom: -9px;
    left: 0;
  }

  .about-car-cont p {
    font-size: 20px;
    color: #5c5a5a;
    line-height: 30px;
    text-indent: 2em;
  }

  .car-message {
    margin-top: 12px;
  }

  .car-message .car-message-title {
    display: inline-block;
    font-size: 28px;
    height: 28px;
    line-height: 28px;
    color: #333;
    position: relative;
    margin-bottom: 21px;
  }

  .car-message .car-message-title::after {
    position: absolute;
    width: 100%;
    height: 3px;
    background: #000;
    content: "";
    bottom: -6px;
    left: 0;
  }

  .car-message .car-message-detail {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding: 46px 54px 30px 46px;
    box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    -ms-flex-pack: distribute; /* IE 10 */
    justify-content: space-around; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-img-cont img {
    width: 100%;
  }

  .car-message .car-message-detail .car-message-img-cont p {
    font-size: 22px;
    color: #333;
    text-align: center;
    line-height: 16px;
    margin: 0;
    margin-top: 20px;
    line-height: 22px;
  }

  .car-message .car-message-detail .car-message-list-cont li {
    border-bottom: 1px solid rgba(53, 52, 52, 0.1);
  }

  .car-message .car-message-detail .car-message-list-cont li div {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-list-cont li div .dot {
    width: 10px;
    height: 10px;
    background: #000;
    border-radius: 50%;
    margin-right: 10px;
  }

  .car-message .car-message-detail .car-message-list-cont li div span {
    font-size: 22px;
    color: #393939;
    -webkit-box-flex: 1; /* Safari/Chrome, other WebKit */
    -moz-box-flex: 1; /* Firefox, other Gecko */
    -ms-flex: 1; /* IE 10 */
    -webkit-flex: 1; /* Safari 6.1+ */
    flex: 1; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-list-cont li p {
    margin: 14px 0;
    text-align: right;
    font-size: 16px;
    height: 16px;
    line-height: 16px;
  }
}

@media only screen and (max-width: 767px) {
  .yuyue-line > div {
    width: 40%;
    margin-top: 10px;
    margin-right: 10%;
  }

  .yuyue-line img {
    width: 40%;
    padding: 20px 0px;
  }

  .platform-cont .platform-detail-cont .platform-item-cont .platform-items {
    width: 50%;
    padding: 0px 20px;
    margin-right: 10px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-item-cont
    .platform-items
    span {
    line-height: auto;
  }

  .platform-cont .platform-detail-cont .platform-tab span {
    font-size: 16px;
    padding: 0px 4px;
  }
}

@media screen and (max-width: 550px) {
  .platform-cont .search-container .search-detail img {
    width: 100%;
  }

  .platform-cont .search-container {
    height: 140px;
  }

  .platform-cont {
    width: 100%;
    height: 100%;
    overflow: auto;
    /* padding-top: 60px; */
  }

  .platform-cont .search-container {
    width: 100%;
    /* height: 18.2rem; */
    position: relative;
  }

  .platform-cont .search-container .banner {
    width: 100%;
    /* height: 100%; */
  }

  .platform-cont .search-container .search-detail {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding: 10px 0;
  }

  .platform-cont .platform-detail-cont {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont .platform-detail-cont .platform-tab {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    height: 80px;
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    -ms-flex-pack: distribute; /* IE 10 */
    justify-content: space-around; /* Standard syntax */
    width: 100%;
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont .platform-detail-cont .platform-tab span {
    font-size: 12px;
    color: #000;
    position: relative;
    line-height: 20px;
  }

  .platform-cont .platform-detail-cont .platform-tab span.active {
    color: #218ee1;
  }

  .platform-cont .platform-detail-cont .platform-tab span:hover {
    cursor: pointer;
    color: #218ee1;
  }

  .platform-cont .platform-detail-cont .platform-tab span.active::after,
  .platform-cont .platform-detail-cont .platform-tab span:hover::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 4px;
    background: #218ee1;
    bottom: -9px;
    left: 0;
  }

  .platform-cont .platform-detail-cont .platform-item-cont {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    -ms-flex-pack: distribute; /* IE 10 */
    justify-content: space-around; /* Standard syntax */
  }

  .platform-cont .platform-detail-cont .platform-item-cont .platform-items {
    width: 46%;
    height: 60px;
    border-radius: 4px;
    background: #66a6ff;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
  }

  .platform-cont .platform-detail-cont .platform-item-cont .platform-items em {
    width: 20px;
    height: 24px;
    /*height: 55px;*/
    margin-right: 10px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-item-cont
    .platform-items
    span {
    font-size: 16px;
    color: #fff;
    line-height: 60px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-item-cont
    .platform-items
    .icon-platform-item-1 {
    background: url("icon_platform_item_1.png");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: left center;
  }

  .platform-cont
    .platform-detail-cont
    .platform-item-cont
    .platform-items
    .icon-platform-item-2 {
    background: url("icon_platform_item_2.png");
    background-size: 100%;
  }

  .platform-cont .platform-detail-cont .platform-intro-cont {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    padding: 10px;
    background: #f2f7fe;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-align-items: center; /* Safari 6.1+ */
    -ms-flex-align: center; /* IE 10 */
    align-items: center; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
    margin-top: 10px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-intro-cont
    .platform-intro-detail {
    margin: 10px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-intro-cont
    .platform-intro-detail.col-xs-12 {
    padding: 0;
    margin-top: 14px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-intro-cont
    .platform-intro-detail
    span {
    display: inline-block;
    font-size: 20px;
    color: #000;
    position: relative;
    height: 20px;
    line-height: 20px;
  }

  .platform-cont
    .platform-detail-cont
    .platform-intro-cont
    .platform-intro-detail
    span::after {
    content: "";
    position: absolute;
    width: 100%;
    bottom: -8px;
    height: 4px;
    background: #000;
    left: 0;
  }

  .platform-cont
    .platform-detail-cont
    .platform-intro-cont
    .platform-intro-detail
    p {
    text-indent: 2em;
    margin: 0;
    margin-top: 16px;
    font-size: 16px;
    color: #5c5a5a;
  }

  .platform-cont .corperation-cont {
    margin-top: 30px;
    width: 100%;
  }

  .platform-cont .corperation-cont p {
    font-size: 20px;
    color: #000;
    height: 20px;
    line-height: 20px;
    margin: 0;
    margin-bottom: 14px;
    margin-left: 10px;
  }

  .platform-cont .corperation-cont .corperation-detail {
    width: 100%;
    background: #66a6ff;
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont
    .corperation-cont
    .corperation-detail
    .corperation-detail-cont {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
    margin: 0 auto;
    padding: 10px 0;
    /*padding: 45px 0;*/
  }

  .platform-cont
    .corperation-cont
    .corperation-detail
    .corperation-detail-cont
    .col-xs-4 {
    padding: 0 4px;
  }

  .platform-cont
    .corperation-cont
    .corperation-detail
    .corperation-detail-cont
    img {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box; /* Firefox, other Gecko */
    box-sizing: border-box; /* Opera/IE 8+ */
    /*padding: 0 22px 10px;*/
    width: 100%;
    margin-bottom: 6px;
  }

  .platform-cont .car-cont {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont .car-cont .book-way-cont {
    width: 100%;
    background: rgba(139, 178, 195, 0.15);
    padding: 10px;
    margin-top: 15px;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont .car-cont .book-way-cont .book-way-detail .book-way-title {
    display: inline-block;
    height: 20px;
    color: #333;
    line-height: 20px;
    position: relative;
    font-size: 20px;
    margin-bottom: 22px;
  }

  .platform-cont
    .car-cont
    .book-way-cont
    .book-way-detail
    .book-way-title::after {
    position: absolute;
    width: 100%;
    height: 3px;
    background: #000;
    content: "";
    bottom: -6px;
    left: 0;
  }

  .platform-cont .car-cont .book-way-cont .book-way-detail p {
    font-size: 14px;
    line-height: 14px;
    color: #898787;
    margin: 0 0 26px 0;
  }

  .platform-cont .tec-dream-cont {
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont .tec-dream-cont .about-car-cont {
    background: #faddb2;
  }

  .platform-cont .tec-dream-cont .brand-column-cont {
    background: rgba(243, 108, 58, 0.15);
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-justify-content: center; /* Safari 6.1+ */
    -ms-flex-pack: center; /* IE 10 */
    justify-content: center; /* Standard syntax */
    padding-top: 18px;
  }

  .platform-cont .tec-dream-cont .brand-column-cont .brand-column-cont-detail {
    padding: 0px;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-column-cont-title {
    display: inline-block;
    position: relative;
    font-size: 14px;
    height: 14px;
    line-height: 14px;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-column-cont-title::after {
    position: absolute;
    content: "";
    height: 3px;
    width: 100%;
    bottom: -6px;
    left: 0;
    background: #000;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items {
    margin-top: 20px;
    display: -webkit-box; /* Safari/Chrome, other WebKit */
    display: -moz-box; /* Firefox, other Gecko */
    display: -ms-flexbox; /* IE 10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    -ms-flex-wrap: wrap; /* IE 10 */
    flex-wrap: wrap; /* Standard syntax */
    -webkit-justify-content: space-between; /* Safari 6.1+ */
    -ms-flex-pack: justify; /* IE 10 */
    justify-content: space-between; /* Standard syntax */
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail {
    background: #ffffff;
    box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
    border-radius: 5px;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    margin-bottom: 10px;
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    img {
    height: auto;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    img {
    margin-top: 10px;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    div {
    box-sizing: border-box;
    padding: 10px;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    span {
    font-size: 18px;
    color: #5e5c5c;
    display: inline-block;
    height: 18px;
    line-height: 18px;
    position: relative;
    margin-bottom: 14px;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    span::after {
    content: "";
    position: absolute;
    width: 100%;
    left: 0;
    bottom: -4px;
    height: 1px;
    background: rgba(0, 0, 0, 0.52);
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont
    .brand-column-cont-detail
    .brand-colunm-items
    .item-detail
    p {
    text-indent: 2em;
    color: #5e5c5c;
    font-size: 0.8rem;
    margin: 0;
  }

  .platform-cont .tec-dream-cont .brand-column-cont.active {
    background: rgba(139, 178, 195, 0.15);
  }

  .platform-cont .tec-dream-cont .brand-column-cont.active .brand-colunm-items {
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont.active
    .brand-colunm-items
    li {
    width: 45%;
    padding: 0 1rem;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont.active
    .brand-colunm-items
    li
    img {
    display: block;
    width: 100%;
  }

  .platform-cont
    .tec-dream-cont
    .brand-column-cont.active
    .brand-colunm-items
    li
    p {
    height: 34px;
    line-height: 34px;
    text-align: center;
    font-size: 12px;
    color: #5e5c5c;
  }

  .platform-cont .study-base-cont {
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
  }

  .platform-cont .study-base-cont .about-car-cont {
    background: #afbefb;
    padding: 0;
    padding-top: 10px;
  }

  .platform-cont .study-base-cont .course-content {
    padding: 10px;
    padding-bottom: 0;
    box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
    box-sizing: border-box;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont .study-base-cont .course-content .col-xs-6 {
    padding: 0 6px;
  }

  .platform-cont .study-base-cont .course-content .course-content-item {
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
    height: 80px;
    margin-bottom: 15px;
    box-sizing: border-box;
  }

  .platform-cont .study-base-cont .course-content .course-content-item img {
    width: 40%;
    margin-right: 0;
  }

  .platform-cont .study-base-cont .course-content .course-content-item span {
    font-size: 12px;
    color: #000;
  }

  .platform-cont .study-base-cont .classes-cont {
    width: 100%;
    padding: 20px 0 39px;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont .study-base-cont .classes-cont .inner-cont span {
    font-size: 16px;
    color: #333;
    display: inline-block;
    height: 16px;
    line-height: 16px;
    position: relative;
  }

  .platform-cont .study-base-cont .classes-cont .inner-cont span::after {
    content: "";
    position: absolute;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: #333;
    left: 0;
  }

  .platform-cont .study-base-cont .classes-cont .inner-cont .inner-cont-detail {
    margin-top: 16px;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
    -ms-justify-content: space-around; /* IE10 */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    justify-content: space-around; /* Standard syntax */
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .btn-cont {
    width: 5%;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
    -ms-justify-content: center; /* IE10 */
    -webkit-justify-content: center; /* Safari 6.1+ */
    justify-content: center; /* Standard syntax */
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .btn-cont
    .icon-pre {
    width: 16px;
    height: 21px;
    background: url("icon_left.png");
    background-size: 100% 100%;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .btn-cont
    .icon-next {
    display: inline-block;
    width: 16px;
    height: 21px;
    background: url("icon_right.png");
    background-size: 100% 100%;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .btn-cont
    em:hover {
    cursor: pointer;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .inner-item {
    width: 40%;
    background: #ffffff;
    box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
    border-radius: 5px;
    overflow: hidden;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .inner-item
    img {
    width: 100%;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .inner-item
    p {
    font-size: 12px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    color: #5e5c5c;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .inner-item:nth-child(3) {
    display: none;
  }

  .platform-cont
    .study-base-cont
    .classes-cont
    .inner-cont
    .inner-cont-detail
    .inner-item:nth-child(4) {
    display: none;
  }

  .about-car-cont {
    box-sizing: border-box;
    padding: 0;
    padding-top: 10px;
    background: #a2f4ca;
    border-radius: 2px;
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
    -ms-justify-content: space-around; /* IE10 */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    justify-content: space-around; /* Standard syntax */
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
  }

  .about-car-cont .about-car-title {
    display: inline-block;
    font-size: 20px;
    color: #000;
    height: 20px;
    line-height: 20px;
    position: relative;
    margin: 28px 0;
  }

  .about-car-cont .about-car-title::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 4px;
    background: #000;
    bottom: -9px;
    left: 0;
  }

  .about-car-cont p {
    font-size: 16px;
    color: #5c5a5a;
    line-height: 20px;
    text-indent: 2em;
  }

  .car-message {
    margin-top: 12px;
  }

  .car-message .car-message-title {
    display: inline-block;
    font-size: 18px;
    height: 18px;
    line-height: 18px;
    color: #333;
    position: relative;
    margin-bottom: 21px;
  }

  .car-message .car-message-title::after {
    position: absolute;
    width: 100%;
    height: 3px;
    background: #000;
    content: "";
    bottom: -6px;
    left: 0;
  }

  .car-message .car-message-detail {
    box-sizing: border-box;
    padding: 10px;
    box-shadow: 0px 1px 10px 1px rgba(16, 5, 9, 0.17);
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-justify-content: space-around; /* IE10 */
    -webkit-justify-content: space-around; /* Safari 6.1+ */
    justify-content: space-around; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
    -ms-flex-wrap: wrap; /* IE10 */
    -webkit-flex-wrap: wrap; /* Safari 6.1+ */
    flex-wrap: wrap; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-img-cont img {
    width: 100%;
  }

  .car-message .car-message-detail .car-message-img-cont p {
    font-size: 16px;
    color: #333;
    text-align: center;
    margin: 0;
    margin-top: 10px;
    line-height: 16px;
    margin-bottom: 10px;
  }

  .car-message .car-message-detail .car-message-list-cont li {
    border-bottom: 1px solid rgba(53, 52, 52, 0.1);
    padding: 4px 0;
  }

  .car-message .car-message-detail .car-message-list-cont li div {
    display: -ms-flexbox; /* IE10 */
    display: -webkit-flex; /* Safari 6.1+ */
    display: flex; /* Standard syntax */
    -ms-align-items: center; /* IE10 */
    -webkit-align-items: center; /* Safari 6.1+ */
    align-items: center; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-list-cont li div .dot {
    width: 5px;
    height: 5px;
    background: #000;
    border-radius: 50%;
    margin-right: 10px;
  }

  .car-message .car-message-detail .car-message-list-cont li div span {
    font-size: 16px;
    color: #393939;
    -ms-flex: 1; /* IE10 */
    -webkit-flex: 1; /* Safari 6.1+ */
    flex: 1; /* Standard syntax */
  }

  .car-message .car-message-detail .car-message-list-cont li p {
    margin: 4px 0;
    text-align: left;
    font-size: 14px;
    height: 14px;
    line-height: 14px;
    color: #999;
  }
}

.car-message .car-message-detail .car-message-list-cont li:hover {
  cursor: pointer;
}

.car-message .car-message-detail .car-message-list-cont li span {
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.item-detail-div,
.item-detail-div div {
  padding: 0 !important;
}