body * {
  box-sizing: border-box;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
html,
body {
  margin: 0;
  padding: 0;
  font-family:
    PingFangSC-Regular,
    Roboto,
    Helvetica Neue,
    Helvetica,
    Tahoma,
    Arial,
    PingFang SC-Light,
    Microsoft YaHei;
}
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease-out,
    transform 0.5s ease-out;
}
.stagger-children > *.visible {
  opacity: 1;
  transform: translateY(0);
}
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}
.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}
.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition:
    opacity 0.4s ease-out,
    transform 0.4s ease-out;
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}
/* 通用标题样式 */
.section-title {
  font-family:
    Nimbus Sans,
    Nimbus Sans;
  font-weight: bold;
  font-size: 0.08rem;
  color: #fb923c;
  line-height: 0.13rem;
  letter-spacing: 1px;
}
.section-subtitle {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.31rem;
  color: #0a192f;
  line-height: 0.31rem;
  margin: 0.06rem 0 0.17rem 0;
}

/* 回到顶部按钮样式 */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #fb923c, #f97316);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(251, 146, 60, 0.3);
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(251, 146, 60, 0.4);
}

.back-to-top:active {
  transform: translateY(0);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top svg {
  color: white;
  width: 20px;
  height: 20px;
}

/* 顶部导航 */
.top {
  width: 100%;
  height: 0.44rem;
  background-color: #0a192f;
  padding: 0.04rem 0.19rem 0.04rem 0.09rem;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999999;
}

.top-logo {
  width: 0.42rem;
  height: 0.32rem;
}

.top nav {
  margin: 0 0.86rem 0 0;
}
.top nav a {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.07rem;
  color: #96a1af;
  line-height: 0.1rem;
  text-decoration: none;
  margin-right: 0.25rem;
  transition: color 0.3s ease;
}
.top .top-right .button {
  width: 0.63rem;
  height: 0.18rem;
}
.top nav a:hover {
  color: #ffffff;
}

.top nav a.active {
  color: #ffffff;
}
/* 主页 */
.content-section {
  text-align: center;
  height: 5.63rem;
  background: url(../images/index/top-bg.jpg) no-repeat center center;
  background-size: cover;
  margin-top: 0.44rem;
}

.content-section .tag {
  width: 1.93rem;
  height: 0.2rem;
  background: rgba(251, 146, 60, 0.2);
  border-radius: 52.08rem;
  border: 0.01rem solid rgba(251, 146, 60, 0.3);
}

.content-section .tag .text {
  font-family: Inter, Inter;
  font-weight: bold;
  font-size: 0.07rem;
  color: #fb923c;
  line-height: 0.1rem;
  letter-spacing: 4px;
}

.content-section .title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 600;
  font-size: 0.5rem;
  color: #ffffff;
  line-height: 1.33rem;
  margin: 0.17rem 0 0;
}

.content-section .desc {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 400;
  font-size: 0.16rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 0.19rem;
  margin: 0.21rem 0 0.3rem;
}
.content-section .btns button {
  text-align: center;
  width: 1.1rem;
  height: 0.4rem;
  background: #fb923c;
  line-height: 0.4rem;
  color: #0a192f;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.1rem;
}
.content-section .btns button:nth-child(2) {
  width: 0.94rem;
  background: transparent;
  border: 0.01rem solid rgba(255, 255, 255, 0.3);
  margin-left: 0.17rem;
  color: #ffffff;
}
/* 关于我们 */
.about-section {
  padding: 0.83rem 0.82rem 0.63rem 0.13rem;
}
.about-section .left {
  width: 4.63rem;
  margin-right: 0.5rem;
}

.about-section .section-desc {
  width: 3.8rem;
  border-radius: 0rem 0.08rem 0.08rem 0rem;
  border-left: 0.02rem solid #fb923c;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 500;
  font-size: 0.1rem;
  color: #6b7280;
  padding-left: 0.19rem;
  margin-top: 0.23rem;
}
/* 企业文化 */
.culture-section {
  padding: 0.42rem 0.79rem;
  background-color: #0a192f;
}

.culture-section .section-subtitle {
  font-weight: 500;
  font-size: 0.25rem;
  color: #ffffff;
  line-height: 0.25rem;
}
.culture-section .line {
  width: 0.5rem;
  height: 0.04rem;
  background: #fb923c;
}
.culture-list {
  margin-top: 0.52rem;
}
.culture-list .culture-item {
  padding: 0.34rem;
  border: 0.01rem solid rgba(255, 255, 255, 0.1);
}
.culture-list .culture-item:nth-child(-n + 3) {
  border-right: none;
}
.culture-list img {
  width: 0.93rem;
  transition: all 0.3s ease;
}
.culture-list img:hover {
  transform: translateY(-0.05rem);
}
.culture-list .culture-title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.16rem;
  color: #ffffff;
  line-height: 0.19rem;
  margin: 0.17rem 0 0.12rem;
}
.culture-list .culture-desc {
  width: 0.92rem;
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.08rem;
  color: rgba(255, 255, 255, 0.5);
}
/* 未来愿景 */
.feature-section {
  min-height: 3.5rem;
  padding: 0.83rem 0 0.83rem 0.13rem;
  background: url(../images/index/feature-bg.png) no-repeat center center;
  background-size: cover;
  background-color: #ffffffe0;
}
.feature-section .feature-left {
  width: 2.29rem;
  margin-right: 0.56rem;
}
.feature-section .feature-left .title {
  font-family:
    Nimbus Sans,
    Nimbus Sans;
  font-weight: bold;
  font-size: 0.5rem;
  color: #000000;
  line-height: 0.5rem;
}
.feature-section .feature-left .title span {
  color: #fb923c;
}
.feature-section .feature-left .desc {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.1rem;
  color: #000000;
  line-height: 0.15rem;
  margin-top: 0.56rem;
}
.feature-section .feature-right .right-box {
  width: 1.7rem;
  height: 1.83rem;
  background: rgba(255, 255, 255, 0.05);
  border-left: 0.02rem solid #fb923c;
  padding: 0.26rem;
}
.feature-section .feature-right .right-box .title {
  font-family:
    Nimbus Sans,
    Nimbus Sans;
  font-weight: bold;
  font-size: 0.13rem;
  color: #fb923c;
  line-height: 0.17rem;
  letter-spacing: 2px;
  margin-bottom: 0.2rem;
}
.feature-section .feature-right .right-box:nth-child(2) {
  border-left: 0.02rem solid #38bdf8;
  margin-left: 0.34rem;
}
.feature-section .feature-right .right-box:nth-child(2) .title {
  color: #38bdf8;
}
.feature-section .feature-right .right-box .desc {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.09rem;
  color: #000000;
  line-height: 0.15rem;
}
.feature-section .feature-right .right-box .k-item {
  height: 0.16rem;
  line-height: 0.16rem;
  font-family:
    Nimbus Sans,
    Nimbus Sans;
  font-weight: bold;
  font-size: 0.06rem;
  color: #000000;
  letter-spacing: 1px;
  text-align: left;
  margin-bottom: 0.08rem;
  cursor: pointer;
  padding-left: 0.08rem;
}
.feature-section .feature-right .right-box .k-item:hover {
  box-shadow: 0rem 0rem 0.12rem 0.04rem rgba(255, 255, 255, 0.2);
}
/* 底部 */
.footer {
  padding: 0.5rem 0.56rem;
  background: #020617;
}

.footer .footer-left img {
  width: 4.71rem;
  height: 0.31rem;
}

.footer .footer-left .left-bottom {
  max-width: 2.97rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.09rem;
  color: #64748b;
  line-height: 0.15rem;
  margin-top: 0.2rem;
}
.footer .footer-middle {
  margin-right: 1rem;
}
.footer .footer-middle .title,
.footer .footer-right .title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.07rem;
  color: #fb923c;
  line-height: 0.1rem;
  letter-spacing: 4px;
}
.footer .footer-middle .info span:first-child {
  width: 0.13rem;
  height: 0.13rem;
  margin-right: 0.08rem;
  color: #fb923c;
  font-weight: bold;
}
.footer .footer-middle .info span {
  display: inline-block;
  max-width: 1.14rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.08rem;
  color: #94a3b8;
  line-height: 0.13rem;
}
.footer .footer-middle .email-info {
  margin: 0.17rem 0 0.1rem;
}
.footer .footer-right .title {
  margin-bottom: 0.17rem;
}
.footer-right span {
  display: inline-block;
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.08rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 0.13rem;
  margin: 0 0.81rem 0.08rem 0;
}
.footer-right span:nth-child(2n) {
  margin-right: 0;
}