.infobox .aboutus {
  display: flex;
}
.infobox .aboutus .left {
  width: 290px;
}
.infobox .aboutus .left .list li {
  line-height: 68px;
  border-bottom: 1px dashed #ddd;
}
.infobox .aboutus .left .list li a {
  display: block;
  padding-left: 20px;
  position: relative;
}
.infobox .aboutus .left .list li a:hover {
  color: #c20001;
}
.infobox .aboutus .left .list li a:hover i {
  background-image: url(../img/12_07.png);
}
.infobox .aboutus .left .list li a:hover::after {
  border-color: #c20001;
}
.infobox .aboutus .left .list li a::after {
  content: " ";
  display: inline-block;
  height: 6px;
  width: 6px;
  border-width: 1px 1px 0 0;
  border-color: #c8c8cd;
  border-style: solid;
  -webkit-transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
  transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
  position: absolute;
  top: 50%;
  margin-top: -3px;
  right: 2px;
}
.infobox .aboutus .left .list li a i {
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
  background-image: url(../img/12_06.png);
  background-repeat: no-repeat;
  margin: -3px 10px 0 0;
}
.infobox .aboutus .left .list li a .i2 {
  background-position: 0 -72px;
}
.infobox .aboutus .left .list li a .i3 {
  background-position: 0 -141px;
}
.infobox .aboutus .left .list li a .i4 {
  background-position: 0 -213px;
}
.infobox .aboutus .left .list li a .i5 {
  background-position: 0 -280px;
}
.infobox .aboutus .left .list li a .i6 {
  background-position: 0 -350px;
}
.infobox .aboutus .left .list li a .i7 {
  background-position: 0 -419px;
}
.infobox .aboutus .left .list .active a {
  color: #c20001;
}
.infobox .aboutus .left .list .active a i {
  background-image: url(../img/12_07.png);
}
.infobox .aboutus .left .list .active a::after {
  border-color: #c20001;
}
.infobox .aboutus .right {
  width: 87%;
  margin-left: 20px;
  margin-top: -35px;
}
.infobox .aboutus .right .abtitle {
  font-size: 18px;
  color: #c20001;
  font-family: "microsoft yahei";
  border-bottom: 2px solid #c20001;
  padding-bottom: 10px;
  padding-left: 20px;
  text-align: right;
  background: url(../img/2_03.png) right 8px no-repeat;
  padding-right: 20px;
}
.infobox .aboutus .right .bdcen p {
  text-indent: 2em;
  color: #666;
  font-size: 16px;
  line-height: 36px;
  padding: 3px 0;
  font-family: "microsoft yahei";
}
.infobox .aboutus .right .bdcen p strong {
  font-weight: bold;
}
.infobox .aboutus .right .bdcen .flexbox {
  display: flex;
  align-items: center;
  margin-top: 10px;
}
.infobox .aboutus .right .bdcen .flexbox .pic {
  margin-right: 30px;
  width: 346px;
}
.infobox .aboutus .right .bdcen .flexbox .desc {
  flex: 1;
}
.infobox .aboutus .right .bdcen .flexbox .desc h2 {
  font-size: 30px;
  font-family: "microsoft yahei";
  font-weight: bold;
}
.infobox .aboutus .right .bdcen .flexbox .desc .descen {
  font-size: 16px;
  line-height: 31px;
  font-family: "microsoft yahei";
  margin: 20px 0 30px;
}
.infobox .aboutus .right .bdcen .flexbox .desc .descen p {
  line-height: 27px;
  color: #222222;
  font-size: 12px;
  text-indent: 0;
}
.infobox .aboutus .right .bdcen .flexbox .desc .itemmsg {
  font-size: 12px;
  color: #666;
  line-height: 20px;
  position: relative;
  padding-left: 15px;
  text-indent: 0;
}
.infobox .aboutus .right .bdcen .flexbox .desc .itemmsg::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  border-left: 2px solid #c20001;
  border-top: 2px solid #c20001;
  position: absolute;
  left: 0;
  top: -10px;
}
.infobox .aboutus .right .bdcen .flexbox .desc .itemmsg::after {
  content: '';
  display: block;
  width: 18px;
  border-bottom: 4px solid #c20001;
  position: absolute;
  right: 0;
  bottom: -20px;
}
.infobox .aboutus .right .bdcen .trtele {
  font-weight: bold;
  margin-top: 10px;
}
.infobox .aboutus .right .videolist {
  display: flex;
  flex-wrap: wrap;
  margin: 10px -10px;
}
.infobox .aboutus .right .videolist li {
  width: 33.333%;
  padding: 10px;
  box-sizing: border-box;
}
.infobox .aboutus .right .videolist li a {
  display: block;
  padding: 7px;
  border: 1px solid #eee;
  transition: all 0.5s;
}
.infobox .aboutus .right .videolist li a:hover {
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}
.infobox .aboutus .right .videolist li a:hover .pic img {
  transform: scale(1.1);
}
.infobox .aboutus .right .videolist li a .pic {
  overflow: hidden;
}
.infobox .aboutus .right .videolist li a .pic img {
  transition: all 0.5s;
}
.infobox .aboutus .right .videolist li a p {
  line-height: 50px;
  padding-left: 45px;
  background: url(../img/12_12.png) 5px center no-repeat;
}
.infobox .aboutus .right .stroy {
  margin-top: 25px;
  color: #666;
  line-height: 36px;
  font-size: 16px;
  font-family: "microsoft yahei";
  padding-bottom: 250px;
}
.infobox .aboutus .right .stroy li {
  display: flex;
  margin-bottom: -250px;
  position: relative;
  padding: 30px 0 100px;
}
.infobox .aboutus .right .stroy li:hover .lien {
  background: #c20001;
  border-color: #f3cccc;
}
.infobox .aboutus .right .stroy li::before {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  border-left: 1px dashed #ddd;
}
.infobox .aboutus .right .stroy li .boxitem {
  flex: 1;
  margin-top: 10px;
  margin-bottom: 10px;
}
.infobox .aboutus .right .stroy li .boxitem .time {
  text-align: right;
  font-size: 26px;
  color: #333;
  padding-bottom: 25px;
}
.infobox .aboutus .right .stroy li .boxitem .msg {
  position: relative;
  padding-left: 25px;
  margin-bottom: 15px;
}
.infobox .aboutus .right .stroy li .boxitem .msg::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #666666;
  position: absolute;
  left: 0;
  top: 14px;
}
.infobox .aboutus .right .stroy li .boxitem img {
  height: auto;
}
.infobox .aboutus .right .stroy li .lien {
  margin: 0 75px;
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #cccccc;
  box-sizing: border-box;
}
.infobox .aboutus .right .stroy li .lien::after {
  content: '';
  display: block;
  width: 44px;
  position: absolute;
  left: -44px;
  top: 50%;
  border-bottom: 1px solid #cccccc;
}
.infobox .aboutus .right .stroy li:nth-child(even) .lien::after {
  left: auto;
  right: -44px;
}
.infobox .aboutus .right .pennant {
  display: flex;
  flex-wrap: wrap;
  margin: 20px -10px;
}
.infobox .aboutus .right .pennant li {
  width: 33.333%;
  padding: 10px;
  box-sizing: border-box;
}
.infobox .aboutus .right .pennant li a {
  position: relative;
  display: block;
  background: #f8f8f8;
  line-height: 35px;
}
.infobox .aboutus .right .pennant li a:hover .pic img {
  transform: scale(1.1);
}
.infobox .aboutus .right .pennant li a .hope {
  display: block;
  width: 37px;
  height: 37px;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
}
.infobox .aboutus .right .pennant li a .pic {
  height: 170px;
  text-align: center;
  overflow: hidden;
}
.infobox .aboutus .right .pennant li a .pic img {
  transition: all 0.5s;
}
.infobox .aboutus .right .pennant li a p {
  padding: 0 15px;
  word-break: break-all;
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-family: "微软雅黑";
  font-size: 14px;
  margin: 8px 0;
}
.infobox .aboutus .right .case li {
  margin-top: 20px;
}
.infobox .aboutus .right .case li a {
  display: flex;
  padding: 10px 0;
  transition: all 0.5s;
}
.infobox .aboutus .right .case li a:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.infobox .aboutus .right .case li a:hover .pic img {
  transform: scale(1.1);
}
.infobox .aboutus .right .case li a:hover h4 {
  color: #c20001;
}
.infobox .aboutus .right .case li a:hover .tip span:last-child {
  color: #c20001;
}
.infobox .aboutus .right .case li a .pic {
  margin-right: 30px;
  overflow: hidden;
}
.infobox .aboutus .right .case li a .pic img {
  width: auto;
  transition: all 0.5s;
}
.infobox .aboutus .right .case li a .boxmsg {
  flex: 1;
}
.infobox .aboutus .right .case li a .boxmsg h4 {
  font-size: 18px;
  font-family: "microsoft yahei";
  word-break: break-all;
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.infobox .aboutus .right .case li a .boxmsg .text {
  font-size: 12px;
  color: #666;
  line-height: 20px;
  position: relative;
  padding-left: 15px;
  margin: 10px 0;
  word-break: break-all;
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.infobox .aboutus .right .case li a .boxmsg .text::after {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  border-left: 2px solid #c20001;
  border-top: 2px solid #c20001;
  position: absolute;
  left: 0;
  top: -10px;
}
.infobox .aboutus .right .case li a .boxmsg .tip {
  color: #bbbbbb;
  font-size: 12px;
  margin-top: 20px;
}
.infobox .aboutus .right .case li a .boxmsg .tip span {
  padding-right: 10px;
  margin-right: 10px;
  border-right: 1px solid #ddd;
}
.infobox .aboutus .right .case li a .boxmsg .tip span:last-child {
  border: none;
}
.infobox .aboutus .right .casetitle {
  background: none;
  text-align: center;
}
.infobox .aboutus .right .casecen {
  color: #666;
  font-size: 16px;
  line-height: 36px;
  padding: 3px 0;
  font-family: "microsoft yahei";
}
.infobox .aboutus .right .video {
  margin-top: 20px;
  width: 100%;
  height: 600px;
  background: #333;
}
.infobox .aboutus .right .video video {
  width: 100%;
  height: 100%;
}
@media (max-width: 768px) {
  .infobox .aboutus .left {
    display: none;
  }
  .infobox .aboutus .right {
    margin-top: 0;
    width: 100%;
    margin-left: 0;
  }
  .infobox .aboutus .right .abtitle {
    display: none;
  }
  .infobox .aboutus .right .mbanner {
    margin-bottom: 0.3rem;
  }
  .infobox .aboutus .right .bdcen p {
    line-height: 0.44rem;
  }
  .infobox .aboutus .right .bdcen .flexbox .pic {
    display: none;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc h2 {
    display: none;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .descen {
    margin: 0;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .descen p {
    padding: 0;
    line-height: 0.44rem;
    color: #333;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .descen .desecline {
    margin: 0.1rem 0;
    padding: 0.1rem 0;
    border-top: 1px solid #CF1E17;
    border-bottom: 1px solid #CF1E17;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .itemmsg {
    padding: 0;
    color: #333;
    line-height: 0.44rem;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .itemmsg::after {
    display: none;
  }
  .infobox .aboutus .right .bdcen .flexbox .desc .itemmsg::before {
    display: none;
  }
  .infobox .aboutus .right .bdcen .jiahsao {
    display: none;
  }
  .infobox .aboutus .right .videolist {
    margin: 0 -10px;
  }
  .infobox .aboutus .right .videolist li {
    width: 49%;
    height: 3.1rem;
    padding-top: 0;
  }
  .infobox .aboutus .right .videolist li a {
    border: none;
    border-bottom: 1px solid #CF1E17;
    padding: 0;
    height: 100%;
  }
  .infobox .aboutus .right .videolist li a .pic {
    height: 1.9rem;
  }
  .infobox .aboutus .right .videolist li a p {
    background: none;
    padding: 0;
    font-weight: bold;
    line-height: 0.6rem;
  }
  .infobox .aboutus .right .stroy {
    margin: 0;
    padding: 0;
  }
  .infobox .aboutus .right .stroy li {
    margin: 0;
    padding: 0;
  }
  .infobox .aboutus .right .stroy li .boxitem .time {
    color: #CF1E17;
    font-size: 16px;
    padding: 0;
    line-height: 1;
    text-align: left;
    margin-bottom: 0.16rem;
  }
  .infobox .aboutus .right .stroy li .boxitem .msg {
    font-size: 14px;
    color: #000;
    line-height: 0.4rem;
    padding-left: 0.24rem;
    margin-bottom: 0.16rem;
  }
  .infobox .aboutus .right .stroy li .boxitem .msg::after {
    width: 0.08rem;
    height: 0.08rem;
    top: 0.15rem;
  }
  .infobox .aboutus .right .stroy li .lien {
    top: 0;
    width: 0.24rem;
    height: 0.24rem;
    border: none;
    margin: 0 0.2rem;
  }
  .infobox .aboutus .right .stroy li .lien::after {
    content: '';
    width: 0.12rem;
    height: 0.12rem;
    position: absolute;
    background: #CF1E17;
    border-radius: 50%;
    z-index: 2;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: none;
  }
  .infobox .aboutus .right .stroy li:nth-child(even) .lien::after {
    left: 50%;
    right: auto;
  }
  .infobox .aboutus .right .pennant {
    margin: 0 -0.1rem;
  }
  .infobox .aboutus .right .pennant li {
    width: 50%;
    padding: 0.1rem;
    margin-bottom: 0.1rem;
  }
  .infobox .aboutus .right .pennant li a {
    background: #fff;
    border-bottom: 1px solid #CF1E17;
  }
  .infobox .aboutus .right .pennant li a .pic {
    height: 2rem;
  }
  .infobox .aboutus .right .pennant li a p {
    font-weight: bold;
    padding: 0;
    margin: 0;
    line-height: 0.58rem;
  }
  .infobox .aboutus .right .case li {
    margin-top: 0;
    border-bottom: 1px solid #F2F2F2;
  }
  .infobox .aboutus .right .case li a .boxmsg h4 {
    font-size: 16px;
    font-weight: bold;
    -webkit-line-clamp: 2;
  }
  .infobox .aboutus .right .case li a .boxmsg .text {
    color: #B5B5B5;
    -webkit-line-clamp: 2;
    padding: 0;
    font-weight: bold;
  }
  .infobox .aboutus .right .case li a .boxmsg .text::after {
    display: none;
  }
  .infobox .aboutus .right .case li a .pic {
    display: none;
  }
  .infobox .aboutus .right .video {
    margin-top: 20px;
    margin-bottom: 100px;
    width: 100%;
    height: 300px;
    background: #333;
  }
  .infobox .aboutus .right .video video {
    width: 100%;
    height: 100%;
  }
}