.fl {
    float: left;
}
.fr {
    float:right;
}
.container {
        width: 100%;
        background-color: #fff;
    }
    .container .content {
        overflow:hidden;
    }
.r-top {
    position: relative;
    height: 300px;
}
.welcome {
    position: absolute;
    left: 67px;
    top: 151px;
    width: 524px;
    height: 125px;
    background: rgba(255,255,255,0.71);
}
.welcome>h2 {
  padding-top: 10px;
  padding-left:43px;
  font-size: 30px;
  font-family: "Microsoft YaHei";
  color: rgb(14, 14, 14);
}
.welcome>p {
padding-left:43px;
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(14, 14, 14);
}
.problem-box {
    margin: 0 40px;
    padding: 25px 0;
    border-bottom: 1px dashed #909090;
    overflow: hidden;
}
.problem-title {
    margin-bottom: 20px;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #c33c3c;
    line-height: 24px;
}
.problem-title span {
    display: inline-block;
    margin-right: 10px;
    width: 28px;
    height: 28px;
    background: #be2020;
    text-align:center;
    line-height: 28px;
    font-size:12px;
    color: #fff;
    border-radius: 50%;
}
.problem-words p {
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #666;
    line-height: 24px;
}
.problem-words p span{
    color: #be2020;
}
.zhuoyue-title {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(190, 32, 32);
  line-height:60px;
text-align:center;
}
.zhuoyue-img {
text-align:center;
}
@media (max-width:1199px) {
    .r-top {
        height: auto;
    }
    .r-top img {
        width: 100%;
    }
    .welcome {
        left: 0;
        top: unset;
        bottom: 4px;
        width: 100%;
        height: 100%;
        font-size: 16px;
        line-height: 30px;
    }
.welcome>h2 {
  padding-top: 10px;
  padding-left:43px;
  font-size: 16px;
}
.welcome>p {
padding-left:43px;
  font-size: 12px;
}
    .problem-words {
        width: 100% !important;
    }
    .problem-img {
        width: 100% !important;
        padding:0 !important;
        text-align: center;
    }
        .problem-img img {
            margin: 0 !important;
        }
    .r-big-heading {
         height: auto; 
        line-height: 45px;
    }
    .words-box,
    .words-box div {
        width: 100% !important;
        height: auto !important;
    }
    .img-box {
        width: 100% !important;
        text-align: center;
    }
}
.introduction {
    margin: 30px 0 20px;
    text-indent: 2em;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: #c02420;
    line-height: 24px;
}
.competition-title {
    margin: 0 auto;
    width: 200px;
    height: 50px;
    background-color: rgb(190, 32, 32);
    font-size: 20px;
    font-family: "Microsoft YaHei";
    color: rgb(255, 255, 255);
    line-height: 50px;
    text-align: center;
  }
  .competition-item-box{
      padding: 30px 0;
      overflow: hidden;
  }
  .external {
    float:left;
      margin-bottom: 50px;
      margin-right: 55px;
      width: 350px;
      height: 422px;
  }
  .competition-item {
      position: relative;
      width: 348px;
      height: 420px;
      border: 1px solid rgb(220, 220, 220);
    transition: all 0.6s ease 0s;
  }
  .competition-item:after {
    content: "";
    display: block;
    background-color: #be2020;
    width: 0px;
    height: 4px;
    opacity: 0;
    position: absolute;
    bottom: -2px;
    transition: all 0.6s ease 0s;
    margin-left: 0;
  }
  .competition-item:hover:after{
    height: 4px;
    width: 100%;
    opacity: 1;
    bottom: -2px;
  }
  .external:nth-child(3n) {
      margin-right:0;
  }
  .competition-item img {
      width: 100%;
      height: 238px;
  }
  .competition-item:hover {
      margin-top: -20px;
  }
  .com-name-box {
      margin: 12px auto 0;
      width: 294px;
      height: 70px;
      border-bottom: 1px solid rgb(220, 220, 220);
      overflow: hidden;
  }
  .com-name-box>div {
    font-size: 18px;
    font-family: "Microsoft YaHei";
    color: rgb(51, 51, 51);
    line-height: 30px;
  }
  .com-name-box>h2 {
    font-size: 12px;
    font-family: "Microsoft YaHei";
    color: rgb(99, 99, 99);
    line-height: 30px;
    font-weight: normal;
  }
  .description-box {
      margin: 10px auto;
      width: 294px;
      height: 36px;
    font-size: 12px;
    font-family: "Microsoft YaHei";
    color: rgb(99, 99, 99);
    line-height: 18px;
    overflow: hidden;
  }
  .competition-item>a {
    margin-left: 28px;
    font-size: 12px;
    font-family: "Microsoft YaHei";
    color: rgb(190, 32, 32);
    line-height: 24px;
  }
  .competition-item>a:hover {
    text-decoration: underline;
  }