.row {
  margin: 0 !important;
  padding: 0 !important;
}
.center {
  padding-top: 100px !important;
}
.guide-box .course-img {
  width: 100%;
}
.guide-box .right-option .title {
  border-bottom: 1px solid #666666;
  color: #616363;
  font-size: 22px;
  font-weight: 800;
  line-height: 50px;
  text-align: center;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
}
.guide-box .right-option .log-text {
  color: #f08300;
}
.guide-box .option-list {
  font-size: 16px;
  color: #666;
  padding-left: 25px;
}
.guide-box .option-list li {
  position: relative;
  padding: 8px 0 8px 26px;
}
.guide-box .option-list li::before {
  position: absolute;
  left: 0;
  content: '•';
  line-height: 20px;
}
.guide-box .option-list li:hover::before {
  position: absolute;
  left: 0;
  content: '☞';
  font-size: 30px;
  line-height: 20px;
}
.guide-box .option-list a {
  font-size: 16px;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
}
.guide-box .option-list a:hover {
  cursor: pointer;
}
.video-box {
  margin-bottom: 40px;
}
@media only screen and (max-width: 700px) {
  .video-box .video-nav li a {
    font-size: 14px;
  }
}
.video-box .piece-title {
  border-left: 5px solid #f08300;
  padding-left: 10px;
  color: #000;
  margin-bottom: 40px;
}
.video-box .video-nav {
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
  text-align: center;
}
.video-box .video-nav li {
  position: relative;
  padding: 0 20px;
  line-height: 40px;
  border-bottom: 3px solid #eee;
}
.video-box .video-nav li:hover {
  cursor: pointer;
  color: #ff3300;
}
.video-box .video-nav li:hover a {
  color: #ff3300;
}
.video-box .video-nav a {
  font-size: 16px;
  font-weight: 600;
  color: #333;
}
.video-box .video-nav .active {
  border-bottom: 3px solid #ef8808;
}
.video-box .video-nav .active::after {
  position: absolute;
  bottom: -5px;
  left: 50%;
  right: 50%;
  transform: translate(-50%, 50%);
  content: '';
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
  border-top: 5px solid #ef8808;
}
.video-box .option-box {
  background: #eee;
  height: 420px;
  overflow: auto;
  padding: 10px;
}
.video-box .option-box .items {
  border-bottom: 1px solid #CCCCCC;
  padding: 15px 0;
  display: flex;
}
.video-box .option-box .items img {
  width: 76px;
  height: 47px;
}
.video-box .option-box .items .title {
  line-height: 23px;
  color: #333;
  font-size: 14px;
  margin-left: 10px;
}
.video-box .option-box .items .title:hover {
  color: #ff3300 !important;
}
.video-box .option-box .items:hover {
  cursor: pointer;
}
.video-box .video-box {
  background: #000;
  height: 420px;
}
.case-box {
  margin-bottom: 40px;
}
.case-box .piece-title {
  border-left: 5px solid #f08300;
  padding-left: 10px;
  color: #000;
  margin-bottom: 40px;
}
.case-box .case-nav {
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
  text-align: center;
}
.case-box .case-nav li {
  padding: 0 20px;
  line-height: 40px;
  border-bottom: 3px solid #eee;
}
.case-box .case-nav li:hover {
  cursor: pointer;
}
.case-box .case-nav a {
  font-size: 16px;
  font-weight: 600;
  color: #333;
}
.case-box .case-nav a:hover {
  color: #ff3300;
}
.case-box .case-nav .active {
  position: relative;
  border-bottom: 3px solid #ef8808;
}
.case-box .case-nav .active::after {
  position: absolute;
  bottom: -5px;
  left: 50%;
  right: 50%;
  transform: translate(-50%, 50%);
  content: '';
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
  border-top: 5px solid #ef8808;
}
.case-box .swiper-flex {
  display: flex;
}
.case-box .left {
  margin-top: 13%;
  text-align: center;
  color: #9d9d9d;
  font-size: 60px;
  cursor: pointer;
  padding: 0 !important;
}
.case-box .right {
  margin-top: 13%;
  text-align: center;
  color: #9d9d9d;
  font-size: 60px;
  cursor: pointer;
  padding: 0 !important;
}
@media screen and (max-width: 500px) {
  .case-box .left {
    margin-top: 10%;
    font-size: 30px;
  }
  .case-box .right {
    margin-top: 10%;
    font-size: 30px;
  }
}
.case-box .swiper {
  white-space: nowrap;
  overflow-x: scroll;
  overflow-y: hidden;
  min-width: 90%;
  -webkit-overflow-scrolling: touch;
  overflow: hidden;
}
.case-box .swiper-slide {
  position: relative;
  display: flex;
  display: inline-block;
  flex-direction: column;
  width: 18%;
  text-align: center;
  margin-right: 1.6%;
}
.case-box .swiper-slide .card {
  width: 100%;
  height: auto;
}
.case-box .swiper-slide .case-code {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  text-align: center;
}
.case-box .swiper-slide .code {
  margin-top: 40%;
  width: 80%;
  border-radius: 8px;
}
.case-box .swiper-slide .btn {
  display: block;
  background: #ff3300;
  color: #fff;
  margin-top: 40px;
  font-size: 14px;
  margin-left: 50%;
  transform: translate(-50%, -50%);
  width: max-content;
}
.case-box .swiper-slide .hint {
  font-size: 16px;
  color: #737373;
  margin-top: 10px;
}
.case-box .swiper-slide:hover {
  cursor: pointer;
}
.case-box .swiper-slide:hover .card {
  opacity: 0.6;
}
.journalism-box {
  margin-bottom: 40px;
  font-size: 14px;
}
.journalism-box .piece-title {
  border-left: 5px solid #f08300;
  padding-left: 10px;
  color: #000;
  margin-bottom: 40px;
}
.journalism-box .title-box {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.journalism-box .title-box .title {
  border-left: 5px solid #f08300;
  padding-left: 10px;
  font-size: 18px;
  color: #000;
  font-weight: bold;
  height: 24px;
  line-height: 24px;
}
.journalism-box .more:hover {
  color: red;
}
.journalism-box .list .item {
  color: #666;
  height: 40px;
  line-height: 40px;
  border-bottom: 1px solid #ccc;
}
.journalism-box .list a {
  color: #666;
}
.journalism-box .list a:hover {
  color: #ef831e;
}
.media-box {
  margin-bottom: 40px;
  text-align: center;
}
.media-box .item {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}
.media-box .item .text {
  margin-left: 10px;
  text-align: left;
  width: 330px;
  min-height: 44px;
  padding: 10px;
  border-radius: 5px;
  background: #eeeeee;
}
.media-box .item .text a {
  line-height: 22px;
  color: #000;
  font-size: 14px;
}
.media-box .item .text a:hover {
  color: #ef831e;
}
.task-box {
  background: #eee;
  min-height: 66px;
  padding: 20px 0 !important;
  text-align: center;
  font-size: 14px;
  color: #868686;
}
.task-box .text {
  display: block;
  font-size: 38px;
  line-height: 46px;
}
.conceal {
  display: none;
}
/**弹窗**/
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background-color: rgba(205, 205, 205, 0.5);
}
.popup .popup-phone {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 330px;
  height: 519px;
  background: url(/upload/images/shouji.png) no-repeat;
  background-size: contain;
  padding: 60px 10px 60px 10px;
}
.popup .close-popup {
  position: absolute;
  top: -12px;
  right: -9px;
  font-size: 20px;
  cursor: pointer;
}
.popup .close-popup:hover {
  color: #b20000;
}
.popup .content {
  width: 100%;
  height: 100%;
}