/* 新增样式 */

/* 二级导航 */
.sub-nav {
  width: 100%;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 24px 0;
}

.sub-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.sub-nav-item {
  list-style: none;
}

.sub-nav-link {
  font-size: 18px;
  color: #000000;
  transition: color 0.2s ease;
  position: relative;
}

.sub-nav-link:hover {
  color: #d72e36;
}

.sub-nav-link.active {
  color: #d72e36;
  font-weight: 500;
}

.sub-nav-link:hover::after,
.sub-nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -3px;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background-color: #d72e36;
  border-radius: 1px;
}



.display-flex {
  display: flex;
  flex-wrap: wrap;
}

.align-items-start {
  align-items: flex-start;
}

.align-items-center {
  align-items: center;
}

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

.justify-content-start {
  justify-content: flex-start;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-end {
  justify-content: flex-end;
}

.w-lg-50 {
  width: 50%;
}

@media (max-width: 992px) {
  .w-md-100 {
    width: 100%;
  }
}

/* 集团介绍 */
.group-intro {
  padding: 120px 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  color: #ffffff;
}

h3.content-title1 {
  font-size: 40px;
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.5;
}

p.content-text {
  font-size: 16px;
  line-height: 1.8;
}

/* 全球合作伙伴 */
.global-partners {
  background-color: #000000;
  color: #ffffff;
}

.global-partners-cont {
  padding: 90px 0;
}

h3.content-title2 {
  font-size: 34px;
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.5;
}

.global-partners-img {
  text-align: center;
}

.global-partners-img img {
  max-width: 100%;
}

/* 生产实力 */
.industrial-strength {
  width: 100%;
  padding: 120px 0;
  overflow: hidden;
  position: relative;
}

.industrial-strength-head {
  margin-bottom: 50px;
}

.head-title {
  text-align: center;
  font-size: 34px;
  margin-bottom: 20px;
}

/* 装饰元素 */
.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.stat-card {
  flex: 1;
  width: calc(33.33% - 30px);
  border-radius: 16px;
  padding: 35px 30px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #ffffff;
}

.stat-card:nth-child(1) {
  background-color: #D72E36;
}

.stat-card:nth-child(2) {
  background-color: #2387D3;
}

.stat-card:nth-child(3) {
  background-color: #1EC0C5;
}

.stat-value {
  font-size: 40px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
}

.stat-value span {
  font-size: 24px;
}

.stat-label {
  font-size: 20px;
  font-weight: 500;
}

.stat-description {
  font-size: 1rem;
  line-height: 1.6;
}

.description-box {
  background: linear-gradient(135deg, rgba(0, 82, 204, 0.05) 0%, rgba(0, 198, 255, 0.05) 100%);
  border-radius: 16px;
  padding: 35px;
  border-left: 6px solid #0052cc;
  margin-top: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
}

.description-box p {
  font-size: 18px;
  color: #444;
  line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .stats-container {
    flex-direction: column;
    gap: 30px;
  }

  .stat-card {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .stats-container {
    flex-direction: column;
    gap: 30px;
  }

  .stat-card {
    width: 100%;
  }

  /* .industrial-strength {
    padding: 30px 20px;
  } */

  .stat-value {
    font-size: 30px;
  }

  .stat-value span {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .stat-card {
    padding: 25px 20px;
  }

  .stat-value {
    font-size: 26px;
  }

  .stat-value span {
    font-size: 16px;
  }

  .description-box {
    padding: 25px 20px;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animated {
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

/* 社会贡献 */
.social-contribution-img img {
  width: 100%;
}

/* 核心业务 */
.core-business-item {
  margin-bottom: 50px;
}

.core-business-item:last-child {
  margin-bottom: 0;
}

.business-item-title {
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.business-item-title img {
  width: 22px;
}

.core-business-img {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.core-business-img .business-img-item {
  width: calc(33.33% - 20px);
}

@media (max-width: 992px) {
  .core-business-img .business-img-item {
    width: calc(50% - 15px);
  }
}

@media (max-width: 768px) {
  .core-business-img .business-img-item {
    width: 100%;
  }
}

/* 企业布局及未来展望 */
.business-layout {
  background-color: #163DB2;
}

/* 核心科技 */
.core-technology-box,
.brand-purpose-box {
  padding: 80px 0;
}

.core-technology-cont,
.brand-purpose-cont {
  padding-right: 50px;
}

.core-technology-img {
  padding-left: 50px;
}

.core-technology-img img {
  border-radius: 16px;
}

@media (max-width: 1199px) {

  .core-technology-cont,
  .brand-purpose-cont {
    padding-right: 12px;
  }

  .core-technology-img {
    padding-left: 12px;
  }
}

@media (max-width: 992px) {

  .core-technology-cont,
  .brand-purpose-cont {
    padding-right: 0;
    margin-bottom: 50px;
  }

  .core-technology-img {
    padding-left: 0;
  }
}

.brand-purpose-wrapper {
  position: relative;
  background-color: #D72E36;
  color: #ffffff;
}

.brand-purpose-img {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
}

.brand-purpose-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 992px) {
  .brand-purpose-box {
    padding: 0;
  }

  .brand-purpose-img {
    position: unset;
    width: 100%;
    height: auto;
  }

  .brand-purpose-img img {
    height: auto;
  }
}


/* SK Enmove产品特色 */
.product-features-wrapper {
  background-color: #f8f8f8;
}

.product-features-box {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 30px;
}

.product-features-item {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  /* height: 100%; */
  flex: 0 0 auto;
}

.product-features-item:nth-child(1),
.product-features-item:nth-child(2) {
  width: calc(50% - 15px);
}

.product-features-item:nth-child(3) {
  width: 100%;
}

.product-features-title {
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.product-features-title img {
  width: 60px;
}

.product-features-img {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

@media (max-width: 992px) {
  .product-features-item {
    padding: 30px 20px;
  }

  .product-features-item:nth-child(1),
  .product-features-item:nth-child(2),
  .product-features-item:nth-child(3) {
    width: 100%;
  }
}