.ctn1 {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.ctn1 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ctn1 video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ctn1 .left {
  position: absolute;
  width: 42%;
  left: 8%;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  color: #fff;
}
.ctn1 .left h2 {
  margin-top: 30px;
}
.ctn1 .left p {
  text-align: justify;
  line-height: 1.8;
  margin-top: 30px;
}
.ctn1 .right {
  position: absolute;
  right: 8%;
  width: 34.2%;
  top: 0;
}
.ctn1 .right ul li {
  background: #fff;
  border-radius: 15px;
  padding: 50px;
}
.ctn1 .right ul li h2 {
  color: var(--color);
}
.ctn1 .right ul li h3 {
  color: #666;
  margin: 10px 0;
}
.ctn1 .right ul li p {
  color: #b7b7b7;
  line-height: 1.8;
}
.ctn1 .right ul li:not(:first-child) {
  margin-top: 30px;
}
.ctn2 {
  background: #f7f7f7;
  padding: 140px 0 130px;
  overflow: hidden;
}
.ctn2 .con {
  display: flex;
  justify-content: space-between;
}
.ctn2 .con .tu {
  width: 51%;
  border-radius: 15px;
  height: 100%;
  overflow: hidden;
}
.ctn2 .con .tu img {
  width: 100%;
}
.ctn2 .con .tu video {
  width: 100%;
  border-radius: 15px;
  overflow: hidden;
}
.ctn2 .con .tu:hover img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn2 .con .text {
  width: 40%;
  margin-top: 150px;
}
.ctn2 .con .text h3 {
  color: var(--color);
}
.ctn2 .con .text h2 {
  margin-top: 20px;
}
.ctn2 .con .text p {
  text-align: justify;
  line-height: 1.8;
  margin-top: 20px;
  color: #b7b7b7;
}
.ctn2 .con .text h4 {
  margin-top: 90px;
}
.ctn3 {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
}
.ctn3 .con {
  position: relative;
  z-index: 2;
  color: #fff;
}
.ctn3 .con .text h2 {
  margin-top: 30px;
}
.ctn3 .con .text p {
  line-height: 1.8;
  margin-top: 30px;
}
.ctn3 .con .ctn-list {
  margin-top: 60px;
}
.ctn3 .con .ctn-list ul {
  display: flex;
  justify-content: space-between;
}
.ctn3 .con .ctn-list ul li {
  width: 32%;
  background: #fff;
  border-radius: 15px;
  padding: 50px;
  color: #333;
}
.ctn3 .con .ctn-list ul li h3 {
  color: #666;
  margin: 20px 0;
  min-height: 99px;
}
.ctn3 .con .ctn-list ul li p {
  color: #B7B7B7;
  line-height: 1.8;
}
.ctn3 .tu {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}
.ctn3 .tu img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ctn4 {
  position: relative;
  overflow: hidden;
}
.ctn4 img {
  width: 100%;
  position: relative;
  z-index: 1;
}
.ctn4 .text {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  z-index: 2;
  color: #fff;
}
.ctn4 .text h2 {
  line-height: 1.2;
}
.ctn4 .text h2 span {
  font-family: AlibabaSansHK-95;
}
.ctn4 .text p {
  margin-top: 30px;
  width: 848px;
  max-width: 100%;
  line-height: 1.8;
  text-align: justify;
}
.ctn5 {
  padding: 110px 0 100px;
  overflow: hidden;
}
.ctn5 .ctn-list {
  margin-top: 50px;
}
.ctn5 .ctn-list ul li {
  position: relative;
}
.ctn5 .ctn-list ul li a {
  padding: 50px 0;
  display: flex;
  align-items: center;
   cursor: default;
}
.ctn5 .ctn-list ul li a .tu {
  width: 31%;
  border-radius: 15px;
  overflow: hidden;
}
.ctn5 .ctn-list ul li a .tu img {
  width: 100%;
}
.ctn5 .ctn-list ul li a .tu video {
  width: 100%;
  border-radius: 15px;
  overflow: hidden;
}
.ctn5 .ctn-list ul li a .text {
  width: 69%;
  padding: 0 80px 0 60px;
}
.ctn5 .ctn-list ul li a .text h2 {
  color: #333;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn5 .ctn-list ul li a .text p {
  color: #b7b7b7;
  margin-top: 4px;
}
.ctn5 .ctn-list ul li a .mores {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  background: var(--color);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ctn5 .ctn-list ul li a .mores span {
  color: #fff;
  font-size: 20px;
}
.ctn5 .ctn-list ul li:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.ctn5 .ctn-list ul li:hover a .tu img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn5 .ctn-list .add {
  text-align: center;
  color: #000;
  margin-top: 60px;
}
.ctn5 .ctn-list .add img {
  margin-right: 20px;
  vertical-align: middle;
}
.ctn5 .ctn-list .add span {
  cursor: pointer;
}
@media screen and (max-width: 1600px) {
  .ctn1 .left h2 {
    margin-top: 20px;
  }
  .ctn1 .left p {
    margin-top: 20px;
  }
  .ctn1 .right ul li {
    padding: 2.5vw;
  }
  .ctn2 {
    padding: 7vw 0 6.5vw;
  }
  .ctn2 .con .text {
    margin-top: 7.5vw;
  }
  .ctn2 .con .text h4 {
    margin-top: 4.5vw;
  }
  .ctn3 {
    padding: 6.5vw 0;
  }
  .ctn3 .con .text h2 {
    margin-top: 20px;
  }
  .ctn3 .con .text p {
    margin-top: 20px;
  }
  .ctn3 .con .ctn-list {
    margin-top: 3vw;
  }
  .ctn3 .con .ctn-list ul li {
    padding: 2.5vw;
  }
  .ctn3 .con .ctn-list ul li h3 {
    font-size: 18px;
    min-height: 82px;
  }
  .ctn4 .text p {
    margin-top: 20px;
  }
  .ctn5 {
    padding: 5.5vw 0 5vw;
  }
  .ctn5 .ctn-list {
    margin-top: 2.5vw;
  }
  .ctn5 .ctn-list ul li a {
    padding: 2.5vw 0;
  }
  .ctn5 .ctn-list ul li a .text {
    padding: 0 70px 0 3vw;
  }
  .ctn5 .ctn-list ul li a .mores {
    width: 50px;
    height: 50px;
  }
  .ctn5 .ctn-list .add {
    margin-top: 3vw;
  }
}
@media screen and (max-width: 1200px) {
  .ctn3 .con .ctn-list ul li h3 {
    font-size: 16px;
    min-height: auto;
  }
}
@media screen and (max-width: 768px) {
  .ctn1 {
    height: auto;
    padding: 40px 5%;
    background: #f2f2f2;
  }
  .ctn1 img {
    position: absolute;
    left: 0;
    top: 0;
  }
  .ctn1 .left {
    position: relative;
    width: 100%;
    left: 0;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    color: #333;
    margin-top:20px;
  }
  .ctn1 .left h2 {
    margin-top: 10px;
  }
  .ctn1 .left p {
    margin-top: 10px;
    line-height: 1.5;
  }
  .ctn1 .right {
    position: relative;
    width: 100%;
    right: 0;
  }
  .ctn1 .right ul li {
    margin-top: 20px!important;
    padding: 20px;
    border-radius: 8px;
  }
  .ctn1 .right ul li p {
    line-height: 1.5;
  }
  .ctn2 {
    padding: 40px 0;
  }
  .ctn2 .con {
    display: block;
  }
  .ctn2 .con .tu {
    width: 100%;
    border-radius: 8px;
  }
    .ctn2 .con .tu video {
    border-radius: 8px;
  }
  .ctn2 .con .text {
    margin-top: 20px;
    width: 100%;
  }
  .ctn2 .con .text h2 {
    margin-top: 10px;
  }
  .ctn2 .con .text p {
    line-height: 1.5;
    margin-top: 10px;
  }
  .ctn2 .con .text h4 {
    margin-top: 20px;
  }
  .ctn3 {
    padding: 40px 0;
  }
  .ctn3 .con .text h2 {
    margin-top: 10px;
  }
  .ctn3 .con .text p {
    margin-top: 10px;
    line-height: 1.5;
  }
  .ctn3 .con .ctn-list {
    margin-top: 20px;
  }
  .ctn3 .con .ctn-list ul {
    display: block;
  }
  .ctn3 .con .ctn-list ul li {
    width: 100%;
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
  }
  .ctn3 .con .ctn-list ul li h3 {
    margin: 10px 0;
  }
  .ctn3 .con .ctn-list ul li p {
    line-height: 1.5;
  }
  .ctn4 {
    height: 300px;
  }
  .ctn4 img {
    height: 100%;
    object-fit: cover;
  }
  .ctn4 .text p {
    margin-top: 10px;
    line-height: 1.5;
  }
  .ctn5 {
    padding: 40px 0;
  }
  .ctn5 .ctn-list {
    margin-top: 10px;
  }
  .ctn5 .ctn-list ul li a {
    padding: 20px 0;
    display: block;
  }
  .ctn5 .ctn-list ul li a .tu {
    width: 100%;
    border-radius: 8px;
  }
    .ctn5 .ctn-list ul li a .tu video {
    border-radius: 8px;
  }
  .ctn5 .ctn-list ul li a .text {
    width: 100%;
    padding: 0;
    margin-top: 20px;
  }
  .ctn5 .ctn-list ul li a .mores {
    position: relative;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    width: 44px;
    height: 44px;
    margin-top: 20px;
  }
  .ctn5 .ctn-list ul li a .mores span {
    font-size: 18px;
  }
  .ctn5 .ctn-list .add {
    margin-top: 30px;
  }
  .ctn5 .ctn-list .add img {
    margin-right: 14px;
  }
}