body {
  background: #080f19;
}
.inner-banner .tu:after {
  background: linear-gradient(to top, #080f19 0%, rgba(22, 24, 32, 0.5) 10%, rgba(22, 24, 32, 0.3) 40%, rgba(22, 24, 32, 0) 60%) !important;
}
.titles {
  color: #fff;
}
.titles .text {
  width: 75%;
}
.titles .text p {
  margin-top: 20px;
}
.ctn1 {
  position: relative;
  padding-bottom: 600px;
}
.ctn1 .con {
  position: relative;
  z-index: 2;
}
.ctn1 .con .ctn-list {
  margin-top: 50px;
}
.ctn1 .con .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn1 .con .ctn-list ul li {
  width: 24%;
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .ctn-list ul li a {
  display: block;
  padding: 30px 40px;
  position: relative;
  height: 230px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .ctn-list ul li a h2 {
  color: #fff;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .ctn-list ul li a p {
  color: #fff;
  margin-top: 10px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .ctn-list ul li a .icons {
  width: 42px;
  height: 42px;
  position: absolute;
  left: 40px;
  bottom: 30px;
}
.ctn1 .con .ctn-list ul li a .icons img {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .ctn-list ul li a .icons img.black {
  opacity: 0;
}
.ctn1 .con .ctn-list ul li:not(:nth-child(4n)) {
  margin-right: 1.333%;
}
.ctn1 .con .ctn-list ul li:hover {
  background: var(--color);
}
.ctn1 .con .ctn-list ul li:hover a h2 {
  color: #000;
}
.ctn1 .con .ctn-list ul li:hover a p {
  color: #000;
}
.ctn1 .con .ctn-list ul li:hover a .icons img.white {
  opacity: 0;
}
.ctn1 .con .ctn-list ul li:hover a .icons img.black {
  opacity: 1;
}
.ctn1 .bg {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
  z-index: 1;
}
.ctn1 .bg img {
  width: 100%;
}
.ctn2 {
  margin-top: -250px;
  position: relative;
  z-index: 2;
}
.ctn2 .ctn-bottom {
  overflow: hidden;
  position: relative;
}
.ctn2 .ctn-bottom .roll {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.3) 5%, #000 15%, #000 85%, rgba(0, 0, 0, 0.3) 95%, transparent);
}
.ctn2 .ctn-bottom .roll ul {
  display: flex;
  gap: 150px;
  will-change: transform;
  transform: translateZ(0);
}
.ctn2 .ctn-bottom .roll ul li {
  flex: 0 0 auto;
}
.ctn2 .ctn-bottom .roll ul li .tu {
  text-align: center;
}
.ctn2 .ctn-bottom .roll ul li .tu img {
  height: 90px;
}
.ctn2 .ctn-bottom .roll ul li h2 {
  color: #fff;
  margin-top: 20px;
  text-align: center;
}
.ctn3 {
  position: relative;
  padding: 160px 0 360px;
}
.ctn3 .con {
  position: relative;
  z-index: 2;
}
.ctn3 .con .ctn-list {
  margin-top: 60px;
}
.ctn3 .con .ctn-list ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn3 .con .ctn-list ul li {
  width: 32.5%;
  margin-top: 20px;
  background: rgba(10, 10, 11, 0.3);
  padding: 30px 40px;
  color: #fff;
  height: 250px;
  position: relative;
}
.ctn3 .con .ctn-list ul li p {
  margin-top: 10px;
}
.ctn3 .con .ctn-list ul li .icons {
  position: absolute;
  left: 40px;
  bottom: 30px;
}
.ctn3 .con .ctn-list ul li .icons img {
  height: 30px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn3 .con .ctn-list ul li:not(:nth-child(3n)) {
  margin-right: 1.25%;
}
.ctn3 .con .txt p {
  color: #fff;
  margin-top: 10px;
}
.ctn3 .bg {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
  z-index: 1;
}
.ctn3 .bg img {
  width: 100%;
}
@media screen and (max-width: 1680px) {
  .ctn1 {
    padding-bottom: 30vw;
  }
  .ctn1 .con .ctn-list {
    margin-top: 2.5vw;
  }
  .ctn1 .con .ctn-list ul li a {
    padding: 1.5vw 2vw;
  }
  .ctn1 .con .ctn-list ul li a .icons {
    left: 2vw;
    bottom: 1.5vw;
  }
  .ctn2 {
    margin-top: -12.5vw;
  }
  .ctn3 {
    padding: 8vw 0 18vw;
  }
  .ctn3 .con .ctn-list {
    margin-top: 3vw;
  }
  .ctn3 .con .ctn-list ul li {
    padding: 1.5vw 2vw;
  }
  .ctn3 .con .ctn-list ul li .icons {
    left: 2vw;
    bottom: 1.5vw;
  }
}
@media screen and (max-width: 1440px) {
  .titles .text p {
    margin-top: 14px;
  }
  .ctn1 .con .ctn-list ul li a {
    height: 200px;
  }
  .ctn1 .con .ctn-list ul li a .icons {
    width: 34px;
    height: 34px;
  }
  .ctn2 .ctn-bottom .roll ul {
    gap: 120px;
  }
  .ctn2 .ctn-bottom .roll ul li .tu img {
    height: 80px;
  }
  .ctn2 .ctn-bottom .roll ul li h2 {
    margin-top: 14px;
  }
  .ctn3 .con .ctn-list ul li {
    height: 230px;
  }
}
@media screen and (max-width: 1200px) {
  .ctn1 .con .ctn-list ul li a {
    height: 180px;
  }
  .ctn2 .ctn-bottom .roll ul {
    gap: 100px;
  }
  .ctn2 .ctn-bottom .roll ul li .tu img {
    height: 70px;
  }
  .ctn3 .con .ctn-list ul li {
    height: 210px;
  }
}
@media screen and (max-width: 768px) {
  .titles .text {
    width: 100%;
  }
  .titles .text p {
    margin-top: 10px;
  }
  .ctn1 {
    padding-bottom: 35vw;
  }
  .ctn1 .con .ctn-list {
    margin-top: 20px;
  }
  .ctn1 .con .ctn-list ul {
    justify-content: space-between;
  }
  .ctn1 .con .ctn-list ul li {
    width: 48.5%;
    margin-top: 14px;
  }
  .ctn1 .con .ctn-list ul li a {
    padding: 14px;
  }
  .ctn1 .con .ctn-list ul li a p {
    margin-top: 6px;
  }
  .ctn1 .con .ctn-list ul li a .icons {
    left: 14px;
    bottom: 14px;
    width: 28px;
    height: 28px;
  }
  .ctn1 .con .ctn-list ul li:not(:nth-child(4n)) {
    margin-right: 0;
  }
  .ctn2 {
    margin-top: 0;
  }
  .ctn2 .ctn-bottom .roll ul {
    gap: 30px;
  }
  .ctn2 .ctn-bottom .roll ul li .tu img {
    height: 34px;
  }
  .ctn3 {
    padding: 18vw 0  20vw;
  }
  .ctn3 .con .ctn-list ul li {
    width: 100%;
    height: auto;
    margin-right: 0!important;
    padding: 20px;
    margin-top: 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  .ctn3 .con .ctn-list ul li p {
    margin-top: 6px;
  }
  .ctn3 .con .ctn-list ul li .icons {
    position: relative;
    left: 0;
    bottom: 0;
    margin-top: 30px;
  }
  .ctn3 .con .ctn-list ul li .icons img {
    height: 24px;
  }
}