* {
  margin: 0;
  padding: 0;
}

a:hover {
  color: #fff;
  text-decoration: none;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 1320px;
  font-family: Alibaba-PuHuiTi, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-feature-settings: "kern" on;
  line-height: normal;
}

.title {
  font-size: 36px;
  font-weight: bold;
  color: #3D3D3D;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 18px;
  color: #666;
  margin-bottom: 53px;
}

.header {
  position: absolute;
  display: flex;
  /*align-items: center;*/
  left: 0;
  top: 0;
  width: 100%;
  z-index: 100;
}

.header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 200px;
  opacity: 0.5;

  background: linear-gradient(180deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
}

.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
}

.header .center {
  flex-direction: row;
  justify-content: space-between;
  z-index: 101;
}

.header-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-right: 100px;
}

.logo {
  width: 137px;
  height: 33px;
}

.nav {
  height: 80px;
  position: relative;
}

.nav-item {
  display: flex;
  align-items: center;
  position: relative;
  margin-right: 78px;
  font-size: 18px;
  height: 80px;
  color: #fff;
  cursor: pointer;
  font-weight: bold;
  line-height: normal;
  letter-spacing: 0em;
  font-feature-settings: "kern" on;
}

.nav-item:nth-child(2)::after {
  content: '';
  margin-left: 10px;
  width: 10px;
  height: 10px;
  background: url('../static/b-arrow.png') no-repeat;
  background-size: 100%;
}

.nav-item:nth-child(2):hover::before {
  display: none;
}

.nav-item:nth-child(2):hover .nav-pop {
  display: block;
}

.nav-position {
  position: absolute;
  right: 40px;
  top: 0;
}

.nav-item1 {
  display: flex;
  align-items: center;
  /* position: relative; */
  font-size: 18px;
  height: 80px;
  color: #fff;
  cursor: pointer;
  font-weight: bold;
  line-height: normal;
  letter-spacing: 0em;
  font-feature-settings: "kern" on;
}

.nav-item1::after {
  content: '';
  margin-left: 10px;
  width: 10px;
  height: 10px;
  background: url('../static/b-arrow.png') no-repeat;
  background-size: 100%;
}

.nav-item1:hover::before {
  display: none;
}

.nav-item1:hover .nav-pop {
  display: block;
}

.nav-pop {
  display: none;
  position: absolute;
  box-sizing: border-box;
  padding: 0 19px;
  padding-top: 22px;
  padding-bottom: 5px;
  left: 50%;
  top: 60px;
  width: 222px;
  background: url('../static/pop.png') no-repeat;
  background-size: 100%;
  transform: translateX(-50%);
}

.nav-pop-l, .nav-pop-r {
  flex: 1;
}

.nav-pop-l {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.nav-pop-r {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-left: 10px;
  border-left: 1px solid #fff;
}

.nav-pop-link, .nav-pop-text {
  position: relative;
  color: #fff;
  font-size: 12px;
}

.nav-pop-link:nth-child(2) {
  margin: 10px 0;
}

.nav-pop-link:hover {
  text-decoration: underline;
}

.nav-pop-link:hover:after {
  content: '';
  position: absolute;
  right: -18px;
  top: 50%;
  width: 10px;
  height: 8px;
  background: url('../static/l-arrow.png') no-repeat;
  background-size: 100%;
  transform: translateY(-50%);
}

.nav-pop-item {
  margin-bottom: 10px;
  display: flex;
}


.nav-item:hover::before, .nav-item.active::before {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  height: 3px;
  background: #fff;
}

.hz {
  position: relative;
  display: flex;
  box-sizing: border-box;
  padding-top: 130px;
  width: 100%;
  min-width: 1320px;
  height: 750px;
  background: linear-gradient(180deg, #F4F8F9 0%, rgba(244, 248, 249, 0) 100%);
}

.hz-bg {
  width: 100%;
  height: 536px;
  background: url('../static/hz/image.jpg') no-repeat center bottom;
  background-size: cover;
  position: absolute;
  bottom: 0;
  left: 0;
}

.hz .center {
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  z-index: 1;
}

.hz-l {
  margin-right: 77px;
  flex: 0 0 160px;
  margin-bottom: 30px;
}

.hz-r {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
}

.hz-r img {
  width: 355px;
}

.footer {
  padding: 80px 0;
  width: 100%;
  height: 493px;
  background: #252B35;
}

.footer .center {
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;
}

.footer-l ._list {
  display: flex;
}

.footer-l ._list ._item {
  margin-right: 92px;
  display: flex;
  flex-direction: column;
}

.footer-l ._list ._item:last-child {
  margin-right: 0;
}

.footer-l ._list ._item-title {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
}

.footer-l ._list ._item-link {
  margin-top: 20px;
  font-size: 18px;
  color: #fff;
  font-weight: 300;
}

.footer-l ._list ._item-link:hover {
  font-weight: 500;
}

.footer-l ._list ._item-link:nth-child(0) {
  margin-top: 16px;
}

.copyright {
  margin-top: 82px;
  font-size: 14px;
  color: #fff;
  font-weight: 300;
}

.copyright-link {
  color: #fff;
}
.copyright-link:hover {
  color: #FF3E3F;
}


.footer-info {
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-left: auto;
}

.footer-info p {
  font-size: 18px;
  color: #fff;
  font-weight: 300;
}

.footer-r {
  margin-left: 101px;
}

.footer-r img {
  width: 140px;
  margin-bottom: 20px;
}

.footer-r p {
  font-size: 18px;
  color: #fff;
  margin-bottom: 5px;
  text-align: center;
  font-weight: 300;
}


.lc {
  width: 100%;
  min-width: 1320px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F4F8F9 100%);
  padding: 130px 0;
}

.lc .subtitle {
  margin-bottom: 60px;
}

.lc-content {
  display: flex;
  justify-content: center;
  align-items: center;
}

.lc-img {
  margin: 0 30px;
  width: 400px;
}

.lc-l, .lc-r {
  display: flex;
  flex-direction: column;
}

.lc-r {
  align-items: flex-end;
}

.lc-item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 450px;
  height: 101px;
  gap: 10px;
}

.lc-item:first-child {
  margin-bottom: 73px;
}

.lc-item::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  display: block;
  width: 435px;
  height: 20px;
  background: url('../static/cloud/ydx.png') no-repeat;
  background-size: 100%;
}

.lc-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: bold;
  color: #333;
}

.lc-subtitle {
  font-size: 18px;
  color: #333;
  letter-spacing: -0.02em;
}

.lc-r .lc-item {
  align-items: flex-end;
}

.lc-r .lc-item::after {
  left: auto;
  right: 0;
  transform: rotate(180deg);
}

.lc-r .lc-item:last-child::after {
  display: none;
}

.lc-btn {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 230px;
  height: 60px;
  border-radius: 5px;
  background: #FF3E3F;
  font-size: 24px;
  color: #fff;
  letter-spacing: -0.02em;
}

.jc {
  padding: 130px 0 100px 0;
  width: 100%;
  min-width: 1320px;
}

.jc .subtitle {
  margin-bottom: 60px;
}

.jc-item {
  display: flex;
  height: 380px;
  margin-bottom: 80px;
}

.jc-info {
  order: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 73px;
  box-sizing: border-box;
  flex: 1;
  background: #F4F8F9;
}

.jc-info .title {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.jc-info .title::after {
  content: '';
  display: block;
  margin-left: 23px;
  width: 24px;
  height: 20px;
  background: url('../static/cloud/arrow.png') no-repeat;
  background-size: 100%;
}

.jc-info .subtitle {
  font-size: 20px;
  margin-bottom: 0;
  color: #3D3D3D;
}

.jc-item:nth-child(odd) .jc-info {
  order: 3;
}

.jc-item:nth-child(odd) .jc-info .title::after {
  display: none;
}

.jc-item:nth-child(odd) .jc-info .title::before {
  content: '';
  display: block;
  margin-right: 23px;
  width: 24px;
  height: 20px;
  background: url('../static/cloud/arrow.png') no-repeat;
  background-size: 100%;
  transform: rotate(180deg);
}

.jc-img {
  order: 2;
  width: 580px;
}