/** styles for index page **/

.banner {
  width: 100%;
  height: 50rem;
  margin: 7.5rem 0 4rem;
  color: #fff;
}

.bj1 {
  background: url(../img/banner-bj.jpg);
  background-size: 100% 100%;
}

.bj2 {
  background: url(../img/banner-bj-02.jpg);
  background-size: 100% 100%;
}

.bj3 {
  background: url(../img/banner-bj-03.jpg);
  background-size: 100% 100%;
}

.ban-text {
  padding: 8.5% 0 0 12%;
  float: left;
}

.ban-01 {
  float: right;
  padding: 3% 5% 0 0;
}

.ban-text p {
  font-weight: bold;
  text-transform: uppercase;
  font-size: 1.5rem;
}

.ban-text p span {
  display: inline-block;
  padding: 0 1.6rem;
}

.ban-text p:first-child {
  text-shadow: 0 6px 3px rgba(34, 52, 114, 0.33);
  font-size: 3.75rem;
}

.ban-text p:nth-child(2) {
  text-shadow: 0 6px 3px rgba(34, 52, 114, 0.4);
  font-size: 2.25rem;
  opacity: 0.53;
  margin-top: 1.5%;
}

.ban-text p:nth-child(3) {
  text-shadow: 0 6px 3px rgba(34, 52, 114, 0.33);
  font-size: 3.75rem;
  margin-top: 1.5%;
}

.ban-text p:nth-child(4) {
  font-size: 2.13rem;
  margin: 2.5% 0;
}


.ban-text-02 {
  background: url(../img/banner-02.png) center top no-repeat;
  background-size: 100% 100%;
  text-align: center;
  display: inline-block;
  height: 38rem;
  width: 50%;
  margin: 5% 0 0 25%;
}

.ban-text-02 p:nth-child(1) {
  font-size: 2.88rem;
  padding-top: 7.5%;
}

.ban-text-02 p:nth-child(2) {
  font-size: 5.63rem;
  padding-top: 1.5%;
}

.ban-text-02 p:nth-child(3) {
  font-size: 2.5rem;
  padding-top: 1.5%;
}

.ban-03 {
  float: left;
  padding: 4.5% 0 0 5.5%;
}

.ban-text-03 {
  padding: 15% 0 0 3%;
  float: left;
  font-weight: bold;
}

.ban-text-03 p:nth-child(1) {
  font-size: 3.43rem;
}

.ban-text-03 p:nth-child(2) {
  font-size: 1.88rem;
  padding-top: 4%;
}

.swiper-container {
  width: 100%;
  height: 50rem;
}  

.swiper-pagination-bullet {
  width: 80px;
  height: 8px;
  background: #fff;
  opacity: 0.5;
  border-radius: 0%;
}

.swiper-pagination-bullet-active {
  opacity: 1;
}

.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 10px;
}

.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
  bottom: 40px;
}

.index-map {
  width: 100%;
  height: 37.5rem;
  background: url(../img/index-map.jpg) no-repeat center center;
  position: relative;
  background-size: auto 100%;
}

.index-map > section {
  background: rgba(0, 0, 0, 0.58);
  padding: 5% 8% 5% 4%;
  color: #fff;
  position: absolute;
  top: 50%;
  margin-top: -9.65rem;
  min-height: 10rem;
}

.index-map > section img {
  width: 12rem;
  display: inline-block;
}

.index-map > section > section {
  display: inline-block;
  padding-left: 2rem;
}

.index-map > section > section > p:nth-child(1) {
  font-size: 1.63rem;
  padding-bottom: 1rem;
}

.index-map > section > section > p:nth-child(2),
.index-map > section > section > p:nth-child(3) {
  font-size: 1.25rem;
  padding-bottom: 0.5rem;
  opacity: 0.7;
}

.index-04 {
  padding-bottom: 5rem;
}

.index-04 section {
  width: 50%;
  float: left;
}

.index-04 section:first-child img {
  width: 100%;
}

.index-04 section:last-child img {
  padding: 4.3rem 0 0 3rem;
}

.case-list {
  padding-bottom: 4rem;
  display: inline-block;
}

.case-list ul li {
  width: 25%;
  padding: 0 0.6rem;
  box-sizing: border-box;
  position: relative;
  height: 28.75rem;
  float: left;
}

.case-bj {
  width: 100%;
  height: 100%;
  background: #f2f2f2;
  box-shadow: 0 0 10px rgba(153, 153, 153, 0.58);
}

.case-img-01 {
  width: 100%;
  height: 60%;
  overflow: hidden;
  position: relative;
}

.case-img-01 img {
  width: 100%;
  height: 100%;
}

.case-img-01::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  background: #fff;
  opacity: 0.6;
  width: 100%;
  height: 100%;
}

.case-dn {
  position: absolute;
  top: 15%;
  left: 7%;
  background: url(../img/dn_03.png) no-repeat;
  background-size: 100%;
  width: 86%;
  height: 20rem;
}

.case-img-02 {
  width: 100%;
  height: 13rem;
  overflow: hidden;
  box-sizing: border-box;
  padding: 3%;
}

.case-img-02 img {
  width: 100%;
}

.case-btn {
  background: none;
  border: none;
  display: inline-block;
  width: 100%;
  text-align: center;
  padding-top: 2rem;
}

.about {
  padding-bottom: 4rem;
}

.about section:first-child {
  width: 50%;
  height: 23.75rem;
  background: #4f638f;
  color: #fff;
  padding: 2.6rem 3.8rem 0 2.6rem;
  float: left;
  box-sizing: border-box;
  font-size: 1.25rem;
  line-height: 2.4rem;
}

.about section:first-child a {
  display: inline-block;
  color: #4f638f;
  border-radius: 3rem;
  background: #fff;
  width: 12rem;
  height: 4.38rem;
  line-height: 4.38rem;
  text-align: center;
  font-size: 1.35rem;
  letter-spacing: 0.8rem;
  box-shadow: 0 0 4px rgba(36, 45, 65, 0.33);
  box-sizing: border-box;
  padding-left: 1rem;
  margin-top: 3rem;
}

.about section:last-child {
  width: 50%;
  float: left;
  height: 23.75rem;
  box-sizing: border-box;
  overflow: hidden;
}

.about section:last-child img {
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 1680px) {
  .ban-03 img {
    width: 90%;
  }

  .ban-01 {
    width: 50%;
    box-sizing: border-box;
  }

  .ban-text {
    width: 50%;
    box-sizing: border-box;
  }

  .ban-text-03 {
    width: 50%;
    box-sizing: border-box;
  }

  .ban-03 {
    width: 40%;
    padding-top: 10%;
  }

  .index-04 section:last-child img {
    width: 83%;
    padding-top: 3rem;
  }

  .case-list ul li {
    height: 24.7rem;
  }
}

@media screen and (max-width: 1440px) { 

  .banner {
    height: 40rem;
  }

  .swiper-container {
    width: 100%;
    height: 40rem;
  }

  .ban-text {
    padding: 10% 0 0 4%;
  }

  .ban-text p {
    font-weight: bold;
    text-transform: uppercase;
    font-size: 1.2rem;
  }
  
  .ban-text p span {
    padding: 0 1.3rem;
  }
  
  .ban-text p:first-child {
    font-size: 3rem;
  }
  
  .ban-text p:nth-child(2) {
    font-size: 1.7rem;
    margin-top: 1.5%;
  }
  
  .ban-text p:nth-child(3) {
    font-size: 3.2rem;
    margin-top: 1.5%;
  }
  
  .ban-text p:nth-child(4) {
    font-size: 1.6rem;
    margin: 2.5% 0;
  }

  .ban-01 {
    width: 50%;
  }

  .ban-01 img {
    width: 90%;
    float: right;
  }

  .ban-text-02 {
    width: 55%;
    height: 33rem;
    margin-left: 22.5%;
  }

  .ban-03 {
    width: 38%;
    padding-top: 8%;
  }

  .ban-text-03 {
    padding-top: 13%;
  }

  .about section:first-child {
    font-size: 1rem;
    padding: 2rem;
    height: 20rem;
  }

  .about section:first-child a {
    font-size: 1.2rem;
    width: 10rem;
    height: 3.5rem;
    line-height: 3.5rem;
    margin-top: 2rem;
    letter-spacing: 0.5rem;
  }

  .about section:last-child {
    height: 20rem;
  }

  .index-map {
    height: 28rem;
  }

  .index-map > section {
    padding: 3% 6% 3% 3%;
    margin-top: -7rem;
    min-height: 8rem;
  }

  .index-map > section > section > p:nth-child(1) {
    font-size: 1.3rem;
  }
  
  .index-map > section > section > p:nth-child(2),
  .index-map > section > section > p:nth-child(3) {
    font-size: 1rem;
  }

  .case-list ul li {
    height: 22rem;
  }
}

@media screen and (max-width: 1200px) {
  .case-list ul li {
    height: 18rem;
  }
  .case-dn {
    height: 16rem;
  }
  .about section:first-child a {
    margin-top: 1rem;
  }

  .about section:first-child {
    padding: 1.5rem 2rem;
  }

  .business-list {
    padding-top: 1rem;
  }
}


@media screen and (max-width: 1080px) {
  .banner {
    height: 30rem;
  }

  .swiper-container {
    width: 100%;
    height: 30rem;
  }

  .ban-text {
    padding-top: 7%;
  }

  .ban-01 {
    padding: 4% 3% 0 0;
  }

  .ban-01 img {
    width: 100%;
  }

  .ban-text-02 {
    background: url(../img/banner-02.png) center top no-repeat;
    background-size: 100% 100%;
    width: 70%;
    height: 25rem;
    margin: 7% 0 0 15%;
  }

  .ban-text-02 p:nth-child(1) {
    font-size: 1.8rem;
    padding-top: 9%;
  }
  
  .ban-text-02 p:nth-child(2) {
    font-size: 4rem;
    padding-top: 1.5%;
  }
  
  .ban-text-02 p:nth-child(3) {
    font-size: 1.8rem;
    padding-top: 1.5%;
  }

  .ban-03 {
    width: 50%;
    padding: 4%;
    box-sizing: border-box;
  }

  .ban-03 img {
    width: 100%;
  }

  .ban-text-03 {
    width: 50%;
    padding: 11% 0 0 4%;
    box-sizing: border-box;
  }

  .ban-text-03 p:nth-child(1) {
    font-size: 2.4rem;
  }

  .ban-text-03 p:nth-child(2) {
    font-size: 1.25rem;
  }

  .case-list ul li {
    height: 15rem;
  }

  .case-dn {
    height: 12rem;
  }

  .case-btn a img{
    width: 18rem;
  }

  .about section:first-child {
    line-height: 2rem;
  }

}


@media screen and (max-width: 750px) {
  .banner {
    height: 40rem;
    margin-bottom: 2rem;
  }

  .swiper-container {
    width: 100%;
    height: 40rem;
  }

  .ban-text {
    width: 100%;
  }

  .ban-text p:nth-child(1) {
    font-size: 2rem;
  }

  .ban-text p:nth-child(2) {
    font-size: 1.8rem;
  }

  .ban-text p:nth-child(3) {
    font-size: 2rem;
  }

  .ban-text p:nth-child(4) {
    font-size: 1.2rem;
    font-weight: normal;
  }

  .ban-text p:nth-child(5) {
    font-size: 1rem;
    font-weight: normal;
  }

  .ban-01 {
    width: 100%;
    padding: 0 5%;
    box-sizing: border-box;
    float: left;
  }

  .ban-01 img {
    width: 100%;
  }

  .ban-text-02 {
    width: 90%; 
    height: 25rem;
    margin: 20% 5% 0;
  }

  .ban-text-02 p:nth-child(1) {
    font-size: 1.8rem;
    padding-top: 22%;
  }

  .ban-text-02 p:nth-child(2) {
    font-size: 3rem;
    font-weight: normal;
  }

  .ban-text-03 {
    width: 100%;
    padding: 2% 3%;
  }

  .ban-text-03 p:nth-child(1) {
    font-size: 2rem;
  }

  .ban-text-03 p:nth-child(2) {
    font-size: 1.1rem;
    font-weight: normal;
  }

  .ban-03 {
    width: 100%;
  }

  .title p {
    font-size: 0.64rem;
    line-height: 1.6rem;
  }

  .about {
    padding-bottom: 2rem;
  }
  
  .about section:first-child {
    width: 100%;
    height: auto;
    padding: 1rem 2rem;
    font-size: 0.8rem;
    line-height: 2rem;
  }

  .about section:first-child a {
    font-size: 1rem;
    width: 8rem;
    height: 3rem;
    line-height: 3rem;
    margin-top: 1rem;
  }

  .about section:last-child {
    width: 100%;
    height: 15rem;
  }

  .case-list {
    padding-bottom: 2rem;
  }

  .case-list ul li{
    width: 100%;
    padding: 0;
    height: 29rem;
    margin-bottom: 2rem;
  }

  .case-dn {
    height: 23rem;
  }

  .case-btn {
    padding-top: 0;
  }

  .index-04 section:last-child img {
    padding-top: 1rem;
  }

  .index-04 {
    padding-bottom: 2rem;
  }

  .index-map {
    height: 20rem;
  }

  .index-map > section {
    width: 100%;
    padding: 3rem 0 1rem;
  }

  .index-map > section img {
    width: 8rem;
    float: left;
    padding: 0 1.25rem 0 1rem;
  }

  .index-map > section > section {
    float: left;
    width: auto;
    padding: 0;
  }

  .index-map > section > section > p:nth-child(2),
  .index-map > section > section > p:nth-child(3) {
    font-size: 0.9rem;
  }

}