body {
  background: #fff5c5;
}

.landPage {
  position: relative;
  padding-top: 140px;
  width: 100vw;
  background: #ffe669;
  overflow: hidden;
}
@media screen and (max-width: 576px) {
  .landPage {
    padding-top: 90px;
  }
}
.landPage .bg {
  position: absolute;
  top: 340px;
  left: 0;
  margin-bottom: 0;
  z-index: 0;
}
.landPage .bg img {
  width: 100%;
}
@media screen and (max-width: 1200px) {
  .landPage .bg {
    top: 320px;
  }
}
@media screen and (max-width: 992px) {
  .landPage .bg {
    top: inherit;
    bottom: 0;
  }
  .landPage .bg img {
    width: 180%;
  }
}
@media screen and (max-width: 768px) {
  .landPage .bg img {
    width: 140%;
  }
}
@media screen and (max-width: 576px) {
  .landPage .bg {
    top: 240px;
  }
  .landPage .bg img {
    width: 280%;
  }
}
.landPage article {
  display: flex;
  position: relative;
  z-index: 1;
}
.landPage article h1 {
  position: relative;
  flex: 0 0 550px;
}
.landPage article h1 img {
  width: 100%;
}
.landPage article h1 span {
  display: none;
}
.landPage article h1 strong {
  display: block;
  position: absolute;
  top: -2%;
  right: -16%;
  width: 183px;
  height: 145px;
  background: url(../images/lan-img-title02.png);
  background-size: 100% auto;
}
.landPage article .img {
  flex: 1 1 auto;
  margin-left: 3%;
}
.landPage article .img img {
  width: 100%;
}
.landPage article .ip {
  position: absolute;
  bottom: 30px;
  right: 6%;
}
.landPage article .ip img {
  width: 137px;
  height: 118px;
}
@media screen and (max-width: 1200px) {
  .landPage article h1 {
    flex: 0 0 450px;
  }
  .landPage article h1 strong {
    right: -16%;
    width: 146px;
    height: 116px;
  }
  .landPage article .ip img {
    width: 109px;
    height: 94px;
  }
}
@media screen and (max-width: 992px) {
  .landPage article {
    flex-direction: column;
  }
  .landPage article h1 {
    flex: inherit;
    padding-right: 150px;
  }
  .landPage article h1 strong {
    right: 50px;
    width: 183px;
    height: 145px;
  }
  .landPage article .img {
    margin: -70px 0 0 0;
    padding: 0 20px 0 120px;
  }
  .landPage article .ip {
    bottom: -20px;
  }
}
@media screen and (max-width: 768px) {
  .landPage article h1 {
    padding-right: 70px;
  }
  .landPage article h1 strong {
    top: -20px;
    right: -10px;
    width: 164px;
    height: 130px;
  }
  .landPage article .img {
    margin: -50px 0 0 0;
    padding: 0 60px 0 80px;
  }
  .landPage article .ip {
    display: none;
  }
}
@media screen and (max-width: 576px) {
  .landPage article h1 {
    padding-right: 70px;
  }
  .landPage article h1 strong {
    right: 5px;
    width: 117px;
    height: 93px;
  }
  .landPage article .img {
    margin: -40px 0 0 0;
    padding: 0 0px 0 60px;
  }
}
.landPage .tab {
  position: relative;
  margin-top: -166px;
  z-index: 1;
}
.landPage .tab .nav-item + .nav-item {
  margin-left: 16px;
}
.landPage .tab .nav-link {
  position: relative;
  padding: 10px 40px;
  font-size: 20px;
  color: #fff;
  background: #644a0d;
  border-radius: 24px;
}
.landPage .tab .nav-link::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -10px;
  width: 92px;
  height: 106px;
  background: url(../images/lan-img-ip02.png);
  background-size: 100% auto;
  opacity: 0;
}
.landPage .tab .nav-link.active {
  background: #d35249;
}
.landPage .tab .nav-link.active::after {
  opacity: 1;
}
.landPage .tab .nav-link:hover {
  margin-top: -2px;
}
.landPage .tab .nav-link:hover::after {
  opacity: 1;
  transition: all 0.6s;
}
.landPage .tab .tab-content ul {
  display: inline-flex;
  margin: 0;
  padding: 16px 0 16px 24px;
  border: 2px solid #d35249;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.4);
}
.landPage .tab .tab-content li {
  list-style: none;
  margin-right: 24px;
}
.landPage .tab .tab-content li a {
  color: #d35249;
  font-size: 20px;
  text-decoration: none;
}
.landPage .tab .tab-content li a:hover {
  color: #931209;
}
@media screen and (max-width: 1400px) {
  .landPage .tab {
    margin-top: -50px;
  }
}
@media screen and (max-width: 1200px) {
  .landPage .tab {
    margin-top: -30px;
  }
}
@media screen and (max-width: 992px) {
  .landPage .tab {
    margin-top: 40px;
  }
  .landPage .tab ul {
    flex-wrap: wrap;
  }
}
@media screen and (max-width: 768px) {
  .landPage .tab {
    margin-top: 20px;
  }
  .landPage .tab .nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 16px;
  }
  .landPage .tab .nav-item + .nav-item {
    margin-left: inherit;
  }
  .landPage .tab .nav-link {
    padding: 8px 0;
    width: 100%;
  }
}
@media screen and (max-width: 576px) {
  .landPage .tab .nav-link {
    font-size: 16px;
  }
  .landPage .tab .nav-link::after {
    top: -70px;
    right: 0;
    width: 73px;
    height: 84px;
  }
  .landPage .tab .tab-content ul {
    padding: 8px 0 8px 16px;
    border: 2px solid #d35249;
    border-radius: 16px;
  }
  .landPage .tab .tab-content li {
    list-style: none;
    margin-right: 16px;
  }
  .landPage .tab .tab-content li a {
    font-size: 16px;
  }
}