.inner {
  width: 100%;
  max-width: 162rem;
  padding: 0 4rem;
  margin: 0 auto;
}

.header-wrap {
  position: absolute;
}

.header-wrap.scroll {
  background: none;
}

.sec2-bg {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: url("../img/main/sec-2.png") no-repeat center top;
  background-size: cover;
  background-position: center;
}

.sec-1 {
  position: relative;
  width: 100%;
  height: 100vh;
  z-index: 1;
  overflow: hidden;
}

.sec-1 .inner {
  height: 100%;
}

.sec-1 .bg {
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
  background: url("../img/main/sec1.jpg") no-repeat center center;
  background-size: cover;
  animation: bg 4s forwards;
  -webkit-animation: bg 4s forwards;
}

.sec-1 .flex-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 100%;
  padding-bottom: 18rem;
}

.sec-1 .txt-wrap {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.sec-1 .b-tit {
  font-size: 12.4rem;
  color: #fff;
  font-weight: 800;
  line-height: 0.80645;
}

.sec-1 .b-tit .point {
  color: #74CCC1;
}

.sec-1 .desc {
  font-size: 2.4rem;
  font-weight: 500;
  color: #fff;
  line-height: 0.89286;
}

.sec-1 .pause {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 8.4rem;
  height: 8.4rem;
  border-radius: 10rem;
  -webkit-border-radius: 10rem;
  -moz-border-radius: 10rem;
  -ms-border-radius: 10rem;
  -o-border-radius: 10rem;
}

.sec-1 .pause .bar {
  position: absolute;
  width: 100%;
  height: 0.1rem;
  background: #74CCC1;
}

.sec-1 .pause .c-bg {
  position: absolute;
  transform: translate(-50%, -50%) rotate(-90deg);
  top: 50%;
  left: 50%;
  width: 8.7rem;
  height: 8.7rem;
  stroke: rgba(255, 255, 255, 0.2);
  stroke-width: 0.3rem;
  fill: rgba(0, 0, 0, 0);
}

.sec-1 .pause .c-ani {
  position: absolute;
  z-index: 9999;
  transform: translate(-50%, -50%) rotate(-90deg);
  top: 50%;
  left: 50%;
  width: 8.7rem;
  height: 8.7rem;
  stroke: #74CCC1;
  stroke-width: 0.3rem;
  stroke-dashoffset: 270;
  stroke-dasharray: 270;
  fill: rgba(0, 0, 0, 0);
  animation: progress 3.6s linear forwards;
  -webkit-animation: progress 3.6s linear forwards;
}

@keyframes bg {
  0% {
    transform: scale(1.08);
    -webkit-transform: scale(1.08);
    -moz-transform: scale(1.08);
    -ms-transform: scale(1.08);
    -o-transform: scale(1.08);
  }

  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
  }
}

@keyframes progress {
  0% {
    stroke-dashoffset: 270;
  }

  100% {
    stroke-dashoffset: 0;
  }
}

.sec-2 {
  padding: 14rem 0;
}

.sec-2 .flex-wrap {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.sec-2 .card-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  width: 78rem;
}

.sec-2 .card {
  position: relative;
  width: 37rem;
  height: 48rem;
  border-radius: 1.8rem;
  -webkit-border-radius: 1.8rem;
  -moz-border-radius: 1.8rem;
  -ms-border-radius: 1.8rem;
  -o-border-radius: 1.8rem;
  overflow: hidden;
}

.sec-2 .card a {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 3.4rem 3.4rem 4rem;
  width: 100%;
  height: 100%;
  justify-content: space-between;
  z-index: 1;
}

.sec-2 .card::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 100%;
  left: 0;
  background: linear-gradient(180deg, rgba(17, 136, 162, 0.47) 0.01%, rgba(16, 29, 73, 0.47) 100%);
  transition: top 0.8s 0.1s ease;
  -webkit-transition: top 0.8s 0.1s ease;
  -moz-transition: top 0.8s 0.1s ease;
  -ms-transition: top 0.8s 0.1s ease;
  -o-transition: top 0.8s 0.1s ease;
}

.sec-2 .card::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 100%;
  left: 0;
  background: linear-gradient(180deg, rgba(17, 136, 162, 0.47) 0.01%, rgba(16, 29, 73, 0.47) 100%);
  transition: top 0.8s;
  -webkit-transition: top 0.8s;
  -moz-transition: top 0.8s;
  -ms-transition: top 0.8s;
  -o-transition: top 0.8s;
}

.sec-2 .card:hover::before {
  top: 0;
  transition: top 0.8s;
  -webkit-transition: top 0.8s;
  -moz-transition: top 0.8s;
  -ms-transition: top 0.8s;
  -o-transition: top 0.8s;
}

.sec-2 .card:hover::after {
  top: 0;
  transition: top 0.8s 0.1s ease;
  -webkit-transition: top 0.8s 0.1s ease;
  -moz-transition: top 0.8s 0.1s ease;
  -ms-transition: top 0.8s 0.1s ease;
  -o-transition: top 0.8s 0.1s ease;
}

.sec-2 .card:hover .img {
  opacity: 1;
  transition: opacity 0.6s 0.7s;
  -webkit-transition: opacity 0.6s 0.7s;
  -moz-transition: opacity 0.6s 0.7s;
  -ms-transition: opacity 0.6s 0.7s;
  -o-transition: opacity 0.6s 0.7s;
}

.sec-2 .card1 {
  background: url("../img/main/box1.png") no-repeat;
  background-size: cover;
}

.sec-2 .card2 {
  margin-top: 20rem;
  background: url("../img/main/box2.png") no-repeat;
  background-size: cover;
}

.sec-2 .card3 {
  margin-top: -20rem;
  background: url("../img/main/box3.png") no-repeat;
  background-size: cover;
}

.sec-2 .card4 {
  background: url("../img/main/box4.png") no-repeat;
  background-size: cover;
}

.sec-2 .img {
  text-align: right;
  opacity: 0;
}

.sec-2 dl {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.sec-2 dt {
  font-size: var(--fs-stit);
  font-weight: 700;
  color: #fff;
}

.sec-2 dd {
  font-weight: 500;
  color: #fff;
}

.sec-2 .left-fixed {
  position: sticky;
  display: inline-flex;
  flex-direction: column;
  gap: 4rem;
  top: 4rem;
  left: 0;
  height: 20.8rem;
}

.sec-2 .left-fixed .desc {
  font-size: var(--fs-tit);
  line-height: 1.53333;
}

.sec-2 .left-fixed .company {
  width: 16.6rem;
  padding: 0.8rem 1.4rem;
  font-weight: 700;
  color: #fff;
  background-image: linear-gradient(90deg, #1188A2 0.01%, #101D49 100%);
  background-size: 200% 200%;
  animation: gra-bg 5s infinite;
  -webkit-animation: gra-bg 5s infinite;
  border-radius: 10rem;
  -webkit-border-radius: 10rem;
  -moz-border-radius: 10rem;
  -ms-border-radius: 10rem;
  -o-border-radius: 10rem;
}

@keyframes gra-bg {
  0% {
    background-position: 0% 50%;
  }

  20% {
    background-position: 50% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  75% {
    background-position: 50% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.sec-3 {
  position: relative;
  z-index: 1;
  height: 95rem;
  width: 100%;
  background: url("../img/main/sec-3.jpg") no-repeat center;
  background-size: cover;
}

.sec-3 .inner {
  height: 100%;
}

.sec-3 .flex-wrap {
  display: flex;
  width: 100%;
  height: 100%;
}

.sec-3 .left,
.sec-3 .right {
  position: relative;
  z-index: 2;
  padding-bottom: 12rem;
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.sec-3 .left a {
  position: absolute;
  z-index: 10;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 81rem;
  right: 0;
  padding: 0 0 12rem 4rem;
}

.sec-3 .left::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: -100%;
  background: rgba(0, 0, 0, 0.2);
  transition: left 0.8s 0.1s ease;
  -webkit-transition: left 0.8s 0.1s ease;
  -moz-transition: left 0.8s 0.1s ease;
  -ms-transition: left 0.8s 0.1s ease;
  -o-transition: left 0.8s 0.1s ease;
}

.sec-3 .left::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: -100%;
  background: rgba(0, 0, 0, 0.2);
  transition: left 0.8s;
  -webkit-transition: left 0.8s;
  -moz-transition: left 0.8s;
  -ms-transition: left 0.8s;
  -o-transition: left 0.8s;
}

.sec-3 .left:hover::before {
  left: 0;
  transition: left 0.8s;
  -webkit-transition: left 0.8s;
  -moz-transition: left 0.8s;
  -ms-transition: left 0.8s;
  -o-transition: left 0.8s;
}

.sec-3 .left:hover::after {
  left: 0;
  transition: left 0.8s 0.1s ease;
  -webkit-transition: left 0.8s 0.1s ease;
  -moz-transition: left 0.8s 0.1s ease;
  -ms-transition: left 0.8s 0.1s ease;
  -o-transition: left 0.8s 0.1s ease;
}

.sec-3 .right a {
  position: absolute;
  z-index: 10;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0 0 12rem 10rem;
}

.sec-3 .right::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: -100%;
  background: rgba(0, 0, 0, 0.2);
  transition: right 0.8s 0.1s ease;
  -webkit-transition: right 0.8s 0.1s ease;
  -moz-transition: right 0.8s 0.1s ease;
  -ms-transition: right 0.8s 0.1s ease;
  -o-transition: right 0.8s 0.1s ease;
}

.sec-3 .right::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: -100%;
  background: rgba(0, 0, 0, 0.2);
  transition: right 0.8s;
  -webkit-transition: right 0.8s;
  -moz-transition: right 0.8s;
  -ms-transition: right 0.8s;
  -o-transition: right 0.8s;
}

.sec-3 .right:hover::before {
  right: 0;
  transition: right 0.8s;
  -webkit-transition: right 0.8s;
  -moz-transition: right 0.8s;
  -ms-transition: right 0.8s;
  -o-transition: right 0.8s;
}

.sec-3 .right:hover::after {
  right: 0;
  transition: right 0.8s 0.1s ease;
  -webkit-transition: right 0.8s 0.1s ease;
  -moz-transition: right 0.8s 0.1s ease;
  -ms-transition: right 0.8s 0.1s ease;
  -o-transition: right 0.8s 0.1s ease;
}

.sec-3 dl {
  position: absolute;
  bottom: 12rem;
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.sec-3 dl dt {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: calc(var(--fs-tit) + 1rem);
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.sec-3 dl dd {
  font-size: var(--fs-md);
  font-weight: 300;
  line-height: 1.625;
  color: #fff;
}

.sec-3 .img {
  display: block;
}

.sec-3 .img img {
  display: block;
}

.sec-4 {
  position: relative;
  z-index: 1;
  padding: 13rem 0;
  background: url("../img/main/sec-4.jpg") no-repeat center;
  background-size: cover;
}

.sec-4 .company {
  width: 16.6rem;
  padding: 0.8rem 1.4rem;
  font-weight: 700;
  color: #fff;
  background-image: linear-gradient(90deg, #1188A2 0.01%, #101D49 100%);
  background-size: 200% 200%;
  animation: gra-bg 5s infinite;
  -webkit-animation: gra-bg 5s infinite;
  border-radius: 10rem;
  -webkit-border-radius: 10rem;
  -moz-border-radius: 10rem;
  -ms-border-radius: 10rem;
  -o-border-radius: 10rem;
}

.sec-4 .flex-wrap {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.sec-4 .sec-tit {
  width: 89rem;
  font-size: calc(var(--fs-tit) + 1rem);
  font-weight: 700;
  line-height: 1.5;
}

.sec-4 .desc {
  padding-top: 1rem;
  font-size: var(--fs-md);
  font-weight: 400;
  line-height: 1.625;
  color: #777;
}

@media all and (max-width: 85.375rem) {
  .sec-1 .b-tit {
    font-size: 9rem;
  }

  .sec-2 {
    padding: 12rem 0;
  }

  .sec-2 .card-wrap {
    width: 64rem;
  }

  .sec-2 .card {
    width: 30rem;
    height: 42rem;
  }

  .sec-3 {
    height: 100vh;
  }

  .sec-3 .right a {
    padding-left: 4rem;
  }

  .sec-4 {
    padding: 12rem 0;
  }

  .sec-4 .sec-tit {
    width: 50%;
    max-width: 40rem;
    word-break: keep-all;
  }
}

@media all and (max-width: 64rem) {
  .sec-1 .b-tit {
    font-size: 8rem;
  }

  .sec-2 {
    padding: 10rem 0;
  }

  .sec-2 .flex-wrap {
    gap: 4rem;
  }

  .sec-2 .left-fixed {
    max-width: 40%;
  }

  .sec-2 .left-fixed .desc {
    font-size: var(--fs-stit);
    word-break: keep-all;
  }

  .sec-2 .left-fixed .desc br {
    display: none;
  }

  .sec-2 .card {
    width: 24rem;
    height: 36rem;
  }

  .sec-3 dl dd {
    font-size: var(--fs-com);
  }

  .sec-4 {
    padding: 10rem 0;
  }

  .sec-4 .desc {
    width: 50%;
    word-break: keep-all;
  }

  .sec-4 .desc br {
    display: none;
  }
}

@media all and (max-width: 63.9375rem) {
  .sec-1 .flex-wrap {
    padding-bottom: 16rem;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    gap: 4rem;
  }

  .sec-1 .b-tit {
    font-size: 6.5rem;
  }

  .sec-2 .left-fixed {
    gap: 3rem;
  }

  .sec-2 .card-wrap {
    flex-direction: column;
    gap: 2rem;
  }

  .sec-2 .card2,
  .sec-2 .card3 {
    margin-top: 0;
  }

  .sec-2 .card2,
  .sec-2 .card4 {
    margin-left: auto;
  }

  .sec-3 dl dd {
    word-break: keep-all;
  }

  .sec-3 dl dd br {
    display: none;
  }

  .sec-4 .sec-tit {
    font-size: calc(var(--fs-tit) + 0.5rem);
  }
}

@media all and (max-width: 47.9375rem) {
  .inner {
    padding: 0 2rem;
  }

  .sec-1 .txt-wrap {
    gap: 2rem;
  }

  .sec-1 .b-tit {
    font-size: 3.2rem;
  }

  .sec-1 .desc {
    font-size: 1.8rem;
    line-height: 1.5;
    word-break: keep-all;
  }

  .sec-1 .pause {
    width: 6.4rem;
    height: 6.4rem;
  }

  .sec-1 .pause .c-ani,
  .sec-1 .pause .c-bg {
    width: 6.7rem;
    height: 6.7rem;
  }

  .sec-1 .pause .c-ani circle,
  .sec-1 .pause .c-bg circle {
    cx: 33.5;
    cy: 33.5;
    r: 32;
  }

  .sec-2 {
    padding: 8rem 0;
  }

  .sec-2 .flex-wrap {
    flex-direction: column;
  }

  .sec-2 .left-fixed {
    position: static;
    height: auto;
    max-width: none;
    width: 100%;
    gap: 2rem;
  }

  .sec-2 .left-fixed .company {
    width: 14.6rem;
  }

  .sec-2 .card-wrap {
    width: 100%;
  }

  .sec-2 .card {
    width: 90%;
  }

  .sec-3 .flex-wrap {
    flex-direction: column;
  }

  .sec-3 dl {
    position: static;
    width: 100%;
    height: 100%;
    justify-content: center;
    gap: 1.8rem;
  }

  .sec-3 .left,
  .sec-3 .right {
    width: 100%;
  }

  .sec-3 .left a,
  .sec-3 .right a {
    padding: 0 2rem;
  }

  .sec-3 .left::before {
    content: "";
    top: -100%;
    left: 0;
    transition: top 0.8s 0.1s ease;
    -webkit-transition: top 0.8s 0.1s ease;
    -moz-transition: top 0.8s 0.1s ease;
    -ms-transition: top 0.8s 0.1s ease;
    -o-transition: top 0.8s 0.1s ease;
  }

  .sec-3 .left::after {
    content: "";
    top: -100%;
    left: 0;
    transition: top 0.8s;
    -webkit-transition: top 0.8s;
    -moz-transition: top 0.8s;
    -ms-transition: top 0.8s;
    -o-transition: top 0.8s;
  }

  .sec-3 .left:hover::before {
    top: 0;
    transition: top 0.8s;
    -webkit-transition: top 0.8s;
    -moz-transition: top 0.8s;
    -ms-transition: top 0.8s;
    -o-transition: top 0.8s;
  }

  .sec-3 .left:hover::after {
    top: 0;
    transition: top 0.8s 0.1s ease;
    -webkit-transition: top 0.8s 0.1s ease;
    -moz-transition: top 0.8s 0.1s ease;
    -ms-transition: top 0.8s 0.1s ease;
    -o-transition: top 0.8s 0.1s ease;
  }

  .sec-3 .right::before {
    content: "";
    top: 100%;
    left: 0;
    transition: top 0.8s 0.1s ease;
    -webkit-transition: top 0.8s 0.1s ease;
    -moz-transition: top 0.8s 0.1s ease;
    -ms-transition: top 0.8s 0.1s ease;
    -o-transition: top 0.8s 0.1s ease;
  }

  .sec-3 .right::after {
    content: "";
    top: 100%;
    left: 0;
    transition: top 0.8s;
    -webkit-transition: top 0.8s;
    -moz-transition: top 0.8s;
    -ms-transition: top 0.8s;
    -o-transition: top 0.8s;
  }

  .sec-3 .right:hover::before {
    top: 0;
    transition: top 0.8s;
    -webkit-transition: top 0.8s;
    -moz-transition: top 0.8s;
    -ms-transition: top 0.8s;
    -o-transition: top 0.8s;
  }

  .sec-3 .right:hover::after {
    top: 0;
    transition: top 0.8s 0.1s ease;
    -webkit-transition: top 0.8s 0.1s ease;
    -moz-transition: top 0.8s 0.1s ease;
    -ms-transition: top 0.8s 0.1s ease;
    -o-transition: top 0.8s 0.1s ease;
  }

  .sec-4 {
    padding: 8rem 0;
  }

  .sec-4 .company {
    display: block;
    width: 14.6rem;
  }

  .sec-4 .flex-wrap {
    flex-direction: column;
    gap: 0.6rem;
  }

  .sec-4 .sec-tit,
  .sec-4 .desc {
    width: 100%;
  }
}

/*aos*/
.txt-wrap .b-tit,
.txt-wrap .desc {
  opacity: 0;
}

.left-fixed {
  opacity: 0;
}

.card-wrap .card {
  opacity: 0;
}

.sec-3 dl {
  opacity: 0;
}

.sec-4 .company,
.sec-4 .sec-tit,
.sec-4 .desc {
  opacity: 0;
}