.ctn1 {
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.ctn1 .ctn-wrapper {
  margin-top: 50px;
}
.ctn1 .ctn-wrapper ul {
  display: flex;
  justify-content: space-between;
}
.ctn1 .ctn-wrapper ul li {
  width: 49%;
}
.ctn1 .ctn-wrapper ul li a {
  display: block;
  text-align: center;
  line-height: 50px;
  color: #fff;
  background: #afb0b2;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-wrapper ul li:hover a {
  background: #cfa972;
}
.ctn1 .ctn-wrapper ul li.active a {
  background: #cfa972;
}
.ctn1 .ctn-sub {
  margin-top: 30px;
}
.ctn1 .ctn-sub ul {
  display: flex;
  justify-content: center;
}
.ctn1 .ctn-sub ul li {
  width: 200px;
  line-height: 40px;
  background: #fff;
  border: 1px solid #c9c9c9;
  text-align: center;
  color: #666;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-sub ul li:not(:last-child) {
  margin-right: 20px;
}
.ctn1 .ctn-sub ul li:hover {
  color: #fff;
  background: #cfa972;
  border: 1px solid #cfa972;
}
.ctn1 .ctn-sub ul li.active {
  color: #fff;
  background: #cfa972;
  border: 1px solid #cfa972;
}
.ctn1 .ctn-list {
  margin-top: 20px;
}
.ctn1 .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn1 .ctn-list ul li {
  margin-top: 30px;
  width: 31.8%;
  background: #fafafa;
  border: 1px solid #dbdbdb;
  position: relative;
}
.ctn1 .ctn-list ul li:before {
  content: '';
  width: 100%;
  height: 100%;
  background: url(../img/news/bg.png) no-repeat;
  background-size: cover;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-list ul li:after {
  content: '';
  width: 0;
  height: 5px;
  background: #cfa972;
  position: absolute;
  left: 0;
  bottom: -1px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-list ul li a {
  display: flex;
  padding: 40px 50px;
  position: relative;
  z-index: 2;
}
.ctn1 .ctn-list ul li a .icons {
  width: 57px;
  flex-shrink: 0;
}
.ctn1 .ctn-list ul li a .icons img {
  width: 100%;
}
.ctn1 .ctn-list ul li a .txt {
  margin-left: 40px;
}
.ctn1 .ctn-list ul li a .txt h2 {
  color: #000;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-list ul li a .txt h3 {
  color: #999;
  margin: 6px 0 14px;
}
.ctn1 .ctn-list ul li a .txt h4 {
  color: #cfa972;
}
.ctn1 .ctn-list ul li a .txt h4 span {
  margin-left: 10px;
}
.ctn1 .ctn-list ul li:not(:nth-child(3n)) {
  margin-right: 2.3%;
}
.ctn1 .ctn-list ul li:hover:before {
  opacity: 1;
}
.ctn1 .ctn-list ul li:hover:after {
  width: 100%;
}
.ctn1 .ctn-list ul li:hover a .txt h2 {
  color: #cfa972;
}
@media screen and (max-width: 1600px) {
  .ctn1 {
    padding: 4.5vw 0;
  }
  .ctn1 .ctn-wrapper {
    margin-top: 2.5vw;
  }
  .ctn1 .ctn-wrapper ul li a {
    line-height: 44px;
  }
  .ctn1 .ctn-sub {
    margin-top: 1.5vw;
  }
  .ctn1 .ctn-sub ul li {
    width: 180px;
    line-height: 38px;
  }
  .ctn1 .ctn-list {
    margin-top: 1vw;
  }
  .ctn1 .ctn-list ul li {
    margin-top: 1.5vw;
  }
  .ctn1 .ctn-list ul li a {
    padding: 2vw 2.5vw;
  }
  .ctn1 .ctn-list ul li a .icons {
    width: 50px;
  }
  .ctn1 .ctn-list ul li a .txt {
    margin-left: 30px;
  }
}
@media screen and (max-width: 1440px) {
  .ctn1 .ctn-list ul li a .icons {
    width: 40px;
  }
  .ctn1 .ctn-list ul li a .txt {
    margin-left: 20px;
  }
  .ctn1 .ctn-list ul li a .txt h3 {
    margin: 4px 0 10px;
  }
}
@media screen and (max-width: 768px) {
  .ctn1 {
    padding: 60px 0 40px;
  }
  .ctn1 .ctn-wrapper {
    margin-top: 20px;
  }
  .ctn1 .ctn-wrapper ul li a {
    line-height: 40px;
  }
  .ctn1 .ctn-sub {
    margin-top: 14px;
  }
  .ctn1 .ctn-sub ul li {
    font-size: 12px;
    line-height: 30px;
  }
  .ctn1 .ctn-sub ul li:not(:last-child) {
    margin-right: 6px;
  }
  .ctn1 .ctn-list {
    margin-top: 0;
  }
  .ctn1 .ctn-list ul {
    justify-content: space-between;
  }
  .ctn1 .ctn-list ul li {
    width: 100%;
    margin-top: 14px;
    margin-right: 0!important;
  }
  .ctn1 .ctn-list ul li:after {
    height: 3px;
  }
  .ctn1 .ctn-list ul li a {
    padding: 14px;
  }
}