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:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.07rem;
  color: #c5a059;
  line-height: 0.1rem;
  letter-spacing: 5px;
}
.section-subtitle {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.25rem;
  color: #ffffff;
  line-height: 0.25rem;
  margin-bottom: 0.13rem;
}
/* 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, #c4a56c, #c5a059);
  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(196, 165, 108, 0.3);
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(196, 165, 108, 0.3);
}

.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: 0.5rem;
  background-color: #121212;
  padding: 0.11rem 0.25rem;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999999;
}
.top-info {
  margin-top: 0.07rem;
}
.top-logo {
  width: 0.25rem;
  height: 0.25rem;
  margin-right: 0.06rem;
}
.top-title {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 900;
  font-size: 0.1rem;
  color: #ffffff;
  line-height: 0.15rem;
}
.top-subtitle {
  font-family: Inter, Inter;
  font-weight: bold;
  font-size: 0.06rem;
  color: #c5a059;
  line-height: 0.06rem;
  letter-spacing: 2px;
  margin-top: 0.01rem;
}

.top nav a {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.07rem;
  color: #e5e7eb;
  line-height: 0.1rem;
  text-decoration: none;
  margin-right: 0.25rem;
  transition: color 0.3s ease;
}

.top nav a:hover {
  color: #c5a059;
}

.top nav a.active {
  color: #c5a059;
}
/* 主页 */
.content-section {
  position: relative;
  text-align: center;
  height: 5.63rem;
  background: url(../images/index/top-bg.jpg) no-repeat center center;
  background-size: cover;
  margin-top: 0.5rem;
}

.content-section .title {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 900;
  font-size: 0.5rem;
  color: #ffffff;
  line-height: 0.5rem;
  margin: 0.1rem 0;
}

.content-section .desc {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 300;
  font-size: 0.1rem;
  color: #9ca3af;
  line-height: 0.15rem;
  letter-spacing: 10px;
  margin: 0.21rem 0 0.3rem;
}
.content-section .btns button {
  text-align: center;
  width: 1rem;
  height: 0.32rem;
  background: #c5a059;
  border-radius: 0rem 0rem 0rem 0rem;
  border: 0.01rem solid #c5a059;
  line-height: 0.32rem;
  color: #0a192f;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.07rem;
}
.content-section .btns button:nth-child(2) {
  background: transparent;
  border: 0.01rem solid rgba(255, 255, 255, 0.3);
  margin-left: 0.17rem;
  color: #ffffff;
}
/* 关于我们 */
.about-section {
  height: 4.17rem;
  background-color: #c4c4c4;
}
.about-section .left {
  height: 4.17rem;
}
.about-section .right {
  height: 100%;
  padding: 0.78rem 0.5rem;
}

.about-section .section-intro {
  width: 2.89rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 300;
  font-size: 0.09rem;
  color: #ffffff;
  line-height: 0.15rem;
  margin-top: 0.24rem;
}

.about-section .section-num .num-item {
  margin-top: 0.42rem;
  width: 50%;
}
.about-section .section-num .num {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.13rem;
  color: #ffffff;
  line-height: 0.17rem;
}
.about-section .section-num .text {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 300;
  font-size: 0.07rem;
  color: #6b7280;
  line-height: 0.1rem;
  margin-top: 0.06rem;
}
/* 企业文化 */
/* 企业文化 */
.culture-section {
  width: 100%;
  height: 2.18rem;
  padding: 0.51rem 0.7rem;
  background-color: #2d2d2d;
}

.culture-list img {
  width: 0.42rem;
  height: 0.42rem;
  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: 0.13rem;
  color: #ffffff;
  line-height: 0.17rem;
  letter-spacing: 1px;
  margin: 0.17rem 0 0.08rem;
}
.culture-list .culture-desc {
  width: 0.73rem;
  text-align: center  ;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.07rem;
  color: #6b7280;
  line-height: 0.15rem;
}
/* 业务核心 */
.core-section {
  padding: 0.31rem 0.28rem 0.74rem;
  background: #121212;
}

.core-section .core-list {
  gap: 0.25rem;
  margin-top: 0.5rem;
}
.core-section .core-item {
  background: #fff;
  border: 0.01rem solid #212121;
  overflow: hidden;
}

.core-section .core-item img {
  width: 100%;
  height: 1.67rem;
}
.core-section .core-item img:hover {
  transform: scale(1.05);
  transition: all 0.5s ease-out;
}
.core-section .core-item .text-box {
  padding: 0.25rem;
  background-color: #1a1a1a;
}
.core-section .core-item .core-idx {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.25rem;
  color: #484848;
  line-height: 0.25rem;
}
.core-section .core-item .core-title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.16rem;
  color: #ffffff;
  line-height: 0.19rem;
  margin: 0.12rem 0;
}
.core-section .core-item .core-desc {
  width: 2.45rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.08rem;
  color: #d0d0d0;
  line-height: 0.14rem;
}

/* 未来愿景 */
.feature-section {
  text-align: center;
  padding: 0.67rem 0.25rem;
  background: url(../images/index/feature-bg.jpg) no-repeat center center;
  background-size: cover;
  background-color: #020617;
}

.feature-section .feature-list {
  gap: 0.25rem;
  margin-top: 0.5rem;
}
.feature-section .feature-item {
  height: 2.61rem;
  padding-top: 0.34rem;
  color: #ffffff;
  background: rgba(45, 45, 45, 0.4);
  border-top: 0.02rem solid rgba(156, 150, 139, 0.4);
}
.feature-section .feature-item:hover {
  box-shadow: 0 0 0.2rem rgba(255, 255, 255, 0.3);
}
.feature-section .feature-item img {
  width: 0.5rem;
  height: 0.5rem;
}
.feature-section .feature-item .feature-title {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 900;
  font-size: 0.16rem;
  line-height: 0.19rem;
  margin: 0.25rem 0 0.17rem;
}
.feature-section .feature-item .feature-desc {
  width: 1.17rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.08rem;
  color: #ffffff;
  line-height: 0.17rem;
}
.feature-section .feature-item .feature-desc-list .feature-desc-item {
  background: rgba(197, 160, 89, 0.05);
  border: 0.01rem solid rgba(197, 160, 89, 0.2);
  padding: 0.07rem 0.13rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: bold;
  font-size: 0.06rem;
  color: #c5a059;
  letter-spacing: 1px;
  text-align: center;
  margin-bottom: 0.08rem;
}
/* 底部 */
.footer {
  padding: 0.37rem 0.31rem 0.33rem;
  background-color: #121212;
}

.footer .footer-left {
  margin-left: 0.83rem;
}
.footer .footer-left img {
  width: 0.34rem;
  height: 0.34rem;
  margin-right: 0.12rem;
}
.footer .footer-left .title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.13rem;
  color: #ffffff;
  line-height: 0.17rem;
  letter-spacing: 2px;
}
.footer .footer-left .subtitle {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.05rem;
  color: #c5a059;
  line-height: 0.08rem;
  letter-spacing: 1px;
  margin-top: 0.02rem;
}

.footer .footer-left .left-bottom {
  width: 2rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.09rem;
  color: #64748b;
  line-height: 0.15rem;
  margin-top: 0.21rem;
}
.footer .footer-middle {
  margin-right: 2rem;
  margin-left: 0.5rem;
}
.footer .footer-middle .title,
.footer .footer-right .title {
  font-family:
    PingFang SC,
    PingFang SC;
  font-weight: 500;
  font-size: 0.1rem;
  color: #ffffff;
  line-height: 0.15rem;
}

.footer .footer-middle .info span:first-child {
  width: 0.13rem;
  height: 0.13rem;
  margin-right: 0.08rem;
  color: #c5a059;
  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: #6b7280;
  line-height: 0.13rem;
}
.footer .footer-middle .email-info {
  margin: 0.17rem 0 0.1rem;
}
.footer .footer-right .address {
  width: 2.02rem;
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 300;
  font-size: 0.07rem;
  color: #6b7280;
  line-height: 0.15rem;
  margin-top: 0.21rem;
}
.footer .line {
  width: 100%;
  height: 0;
  border-bottom: 0.01rem solid rgba(255, 255, 255, 0.05);
  margin: 0.5rem 0 0.21rem;
}
.footer .copyright {
  font-family:
    Noto Sans SC,
    Noto Sans SC;
  font-weight: 400;
  font-size: 0.06rem;
  color: #4b5563;
  line-height: 0.09rem;
  letter-spacing: 1px;
}