.ctn1 {
  padding: 100px 0 120px;
  overflow: hidden;
}
.ctn1 .title {
  text-align: center;
}
.ctn1 .title h1 {
  font-weight: 500;
}
.ctn1 .title h3 {
  color: #999;
  margin-top: 10px;
}
.ctn1 .text {
  padding-top: 40px;
  padding-bottom: 70px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.ctn1 .text p {
  margin-top: 30px;
  color: #666;
  line-height: 1.8;
}
.ctn1 .text p strong {
  font-weight: 700;
}
.ctn1 .text p img {
  max-width: 100%;
}
.ctn1 .turn {
  margin-top: 70px;
  display: flex;
  justify-content: space-between;
  position: relative;
}
.ctn1 .turn .t-box {
  width: 30%;
  display: flex;
}
.ctn1 .turn .t-box span {
  color: #666;
  flex-shrink: 0;
}
.ctn1 .turn .t-box a {
  color: #666;
  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 1.5em;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .turn .t-box a:hover {
  color: var(--blue);
}
.ctn1 .turn .next {
  justify-content: flex-end;
}
.ctn1 .turn .back {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}
.ctn1 .turn .back a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 200px;
  height: 48px;
  color: #fff;
  background: var(--blue);
  border-radius: 3px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .turn .back a span {
  margin-right: 4px;
  font-size: 16px;
}
.ctn1 .turn .back a:hover {
  background: #024c95;
}
.ctn2 {
  padding: 120px 0;
  overflow: hidden;
  background: #f0f5f8;
}
.ctn2 .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn2 .ctn-list ul li {
  width: 32%;
}
.ctn2 .ctn-list ul li .tu {
  height: 260px;
  overflow: hidden;
}
.ctn2 .ctn-list ul li .tu img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ctn2 .ctn-list ul li .text {
  padding-top: 20px;
}
.ctn2 .ctn-list ul li .text h3 {
  color: #333;
}
.ctn2 .ctn-list ul li .text h2 {
  font-weight: 500;
  color: #222;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 3em;
  margin: 10px 0 30px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li .text h4 {
  color: #777;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li .text h4 span {
  font-size: 16px;
  margin-left: 0;
  color: var(--blue);
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li:not(:nth-child(3n)) {
  margin-right: 2%;
}
.ctn2 .ctn-list ul li:hover .tu img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn2 .ctn-list ul li:hover .text h2 {
  color: var(--blue);
}
.ctn2 .ctn-list ul li:hover .text h4 {
  color: var(--blue);
}
.ctn2 .ctn-list ul li:hover .text h4 span {
  opacity: 1;
  margin-left: 6px;
}
@media screen and (max-width: 1600px) {
  .ctn1 {
    padding: 5vw 0 6vw;
  }
  .ctn1 .text {
    padding-bottom: 3.5vw;
    padding-top: 2vw;
  }
  .ctn1 .text p {
    margin-top: 1.5vw;
  }
  .ctn1 .turn {
    margin-top: 3.5vw;
  }
  .ctn1 .turn .back a {
    width: 162px;
    height: 44px;
  }
  .ctn1 .turn .back a span {
    font-size: 14px;
  }
  .ctn2 {
    padding: 6vw 0;
  }
  .ctn2 .ctn-list ul li .tu {
    height: 15vw;
  }
  .ctn2 .ctn-list ul li .text h2 {
    margin: 10px auto 1.5vw;
  }
}
@media screen and (max-width: 1200px) {
  .ctn2 .ctn-list ul li .tu {
    height: 17vw;
  }
}
@media screen and (max-width: 768px) {
  .ctn1 {
    padding: 40px 0;
  }
  .ctn1 .text {
    padding-bottom: 20px;
    padding-top: 10px;
  }
  .ctn1 .text p {
    margin-top: 10px;
  }
  .ctn1 .turn {
    margin-top: 20px;
    flex-wrap: wrap;
  }
  .ctn1 .turn .t-box {
    width: 100%;
  }
  .ctn1 .turn .next {
    justify-content: flex-start;
    margin-top: 10px;
  }
  .ctn1 .turn .back {
    position: relative;
    left: 0;
    top: 0;
    transform: translate(0, 0);
    -webkit-transform: translate(0, 0);
    -moz-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    margin: 20px auto 0;
  }
  .ctn1 .turn .back a {
    width: 140px;
  }
  .ctn2 {
    padding: 10px 0 40px;
  }
  .ctn2 .ctn-list ul {
    flex-wrap: wrap;
  }
  .ctn2 .ctn-list ul li {
    width: 100%;
    margin-right: 0!important;
    margin-top: 30px;
  }
  .ctn2 .ctn-list ul li .tu {
    height: 190px;
  }
  .ctn2 .ctn-list ul li .text h2 {
    margin: 10px auto 14px;
    height: auto;
    -webkit-line-clamp: inherit;
  }
}