.container-c {
}
.nav-link-list {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 80px;
}
.nav-link-item {
  text-align: center;
  width: 72px;
}
.nav-link-item a {
  font-family: "sc-regular";

  font-size: 18px;
  color: #d1d1d1;
  position: relative;
}
.nav-link-item-active {
  position: relative;
}
/* .nav-link-item-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 72px;
  height: 2px;
  background: #c0a062;
} */
.nav-link-item-active a {
  padding-bottom: 5px;

  border-bottom: 2px solid #c0a062;
  font-family: "sc-bold" !important;
}
.company-introduction {
  height: 640px;
  background: url("https://file.gdcar.net/company-website/resources/zggk-assets/index/business.png")
    no-repeat;
  position: relative;
  background-size: 100% 100%;
}
.company-introduction-title {
  font-family: "sc-bold";
  position: absolute;
  font-size: 72px;
  color: #ffffff;
  bottom: 60px;
  right: 320px;
}
/* 导航容器 */
.nav-container {
  width: 100%;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 导航列表 */
.nav-list {
  display: flex;
  justify-content: center;
  list-style: none;
  position: relative;
  margin-bottom: 0;
  gap: 80px;
}

/* 导航项 */
.nav-item {
  padding: 20px 30px;
  font-size: 20px;
  color: #666;
  cursor: pointer;
  transition: color 0.3s ease;
  position: relative;
  font-family: "sc-regular";
}

/* 激活态样式 */
.nav-item.active {
  color: #c99a46; /* 金色，与截图一致 */
  font-weight: 500;
  font-family: "sc-bold";
}

/* 激活态下划线 */
.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 3px;
  background-color: #c99a46;
}

/* 悬浮效果 */
.nav-item:hover {
  color: #c99a46;
}

/* 页脚容器 */
.footer {
  font-family: "sc-regular";

  background-color: #1a1a1a;
  color: #b3b3b3;
  padding: 40px 320px;

  background: linear-gradient(180deg, #333333 0%, #1a1a1a 100%);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
/* 左侧区域：Logo + 二维码 */
.footer-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-logo img {
  height: 50px;
  width: 150px;
}

.footer-qrcode {
  text-align: center;
}

.footer-qrcode img {
  width: 87.5px;
  height: 112.5px;
  margin-bottom: 8px;
}

.footer-qrcode .follow-text {
  font-size: 12px;
  color: #b3b3b3;
}

/* 右侧导航区域 */
.footer-nav {
  display: flex;
  gap: 60px;
}

.nav-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-column h4 {
  font-family: "sc-bold";

  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.nav-column a {
  color: #666666;
  text-decoration: none;
  font-size: 12px;
  transition: color 0.2s;
}

.nav-column a:hover {
  color: #ffffff;
}

/* 底部版权信息 */
.footer-bottom {
  margin-top: 60px;
  color: #9c9c9c;
  font-size: 12px;
  text-align: center;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-bottom .row-line {
  height: 1px;
  flex: 1;
  background-color: #9c9c9c;
}
.business-content-container {
  display: none;

  font-family: "sc-regular";

  padding: 60px 20px;
  text-align: center;
}
.view-change-view {
  width: 55vw;
  margin: 0 auto;
  position: relative;
  /* overflow: hidden; */
}
/* 轮播图容器 */
.view-carousel-wrapper {
  display: flex;
  transition: transform 0.5s ease;
  width: 100%;
  gap: 20px;
}

/* 轮播项样式 */
.view-carousel-item {
  flex: 0 0 100%;
  width: 100%;
  opacity: 0.9;
}
/* 轮播项激活状态 */
.view-carousel-item.active {
  opacity: 1;
}
.view-carousel-item video {
  width: 100%;
  height: 620px;
  object-fit: fill;
  /* height: auto; */
  display: block;
}

/* 轮播标题 */
.view-carousel-title {
  text-align: center;
  font-size: 18px;
  color: #333333;
  font-family: "sc-bold";
  margin: 10px 0;
}

/* 指示器容器 */
.view-carousel-indicators {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 10px 0;
}
.view-carousel-indicators-container {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #c0a062;
  border-radius: 226px;
  padding: 8px 15px;
  min-width: 150px;
}
/* 指示器按钮通用样式 */
.view-carousel-indicator-btn {
  width: 10px;
  height: 10px;
  background: #ffffff;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

/* 激活状态的指示器 */
.view-carousel-indicator-btn.active {
  background-color: #fff; /* 匹配效果图的金色调 */
  width: 60px; /* 激活时宽度增加 */
  border-radius: 10px;
}

/* 播放/暂停按钮 */
.view-carousel-control {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.view-carousel-control svg {
  width: 100%;
  height: 100%;
  fill: #d4a066;
}
.carousel-next-btn {
  width: 25px;
  height: 25px;
  border: none;
  border-radius: 50%;
  background-color: #d4a066; /* 金色背景 */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff; /* 三角形为白色 */
  transition: all 0.3s ease;
}

.carousel-next-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.carousel-next-btn {
  width: 25px;
  height: 25px;
  border: none;
  border-radius: 50%;
  background-color: #d4a066; /* 金色背景 */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff; /* 三角形为白色 */
  transition: all 0.3s ease;
}

.carousel-next-btn svg {
  width: 18px; /* 微调svg大小，避免超出按钮 */
  height: 18px;
  flex-shrink: 0;
}
.business-content-container.active {
  display: block;
}
.business-content-container .title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
  margin-top: 60px;
  font-family: "sc-bold";
}

.business-content-container .title .highlight {
  color: #c0a062; /* 金色 */
}

.business-content-container .subtitle {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  max-width: 900px;
  margin: 0 auto 40px;
}

/* 轮播容器 */
.business-content-container .carouselcontal-wrapper {
  position: relative;
  /* max-width: 800px; */
  margin: 0 auto;
}

.business-content-container .carouselcontal {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  margin-bottom: 20px; /* 为下方文字预留空间 */
}
.carouselcontal-container {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}
/* 确保轮播图容器有固定高度 */
.business-content-container .carouselcontal-wrapper {
  position: relative;
  /* max-width: 800px; */
}

.business-content-container .carouselcontal-inner {
  display: flex;
  transition: transform 0.5s ease;
  height: 100%; /* 确保内部容器有高度 */
  transform: translateX(-100%);
}

.business-content-container .carouselcontal-item {
  min-width: 100%;
  height: 100%; /* 确保轮播项有高度 */
  transition: opacity 0.3s ease;
}

.business-content-container .carouselcontal-item.active {
  opacity: 1; /* 激活项完全不透明 */
}

.business-content-container .carouselcontal-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* 左右切换按钮 */
.business-content-container .carouselcontal-control {
  position: absolute;
  top: 160px;

  width: 33px;
  height: 33px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.business-content-container .carouselcontal-control.prev {
  left: -50px;

  cursor: pointer;
  background: url("https://file.gdcar.net/company-website/resources/zggk-assets/index/leftcommon.png")
    no-repeat;
  background-size: 100% 100%;
}

.business-content-container .carouselcontal-control.next {
  right: -50px;
  cursor: pointer;
  background: url("https://file.gdcar.net/company-website/resources/zggk-assets/index/rightcommon.png")
    no-repeat;
  background-size: 100% 100%;
}

.business-content-container .carouselcontal-control.prev:hover {
  background: url("https://file.gdcar.net/company-website/resources/zggk-assets/index/leftactive.png")
    no-repeat;
  background-size: 100% 100%;
}
.business-content-container .carouselcontal-control.next:hover {
  background: url("https://file.gdcar.net/company-website/resources/zggk-assets/index/rightactive.png")
    no-repeat;
  background-size: 100% 100%;
}

/* 项目标签导航 */
.business-content-container .project-tags {
  display: flex;
  justify-content: flex-start;
  margin-top: 30px;
  padding: 20px 0;
  margin: 0 auto;
  gap: 30px; /* 标签间距 */
  overflow-x: auto;
  scroll-behavior: smooth;
  position: relative;
  min-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  align-items: center; /* 垂直居中对齐 */
  min-height: 120px; /* 确保有足够高度 */
  overflow: visible;
}

.business-content-container .project-tags::-webkit-scrollbar {
  display: none; /* Chrome/Safari隐藏滚动条 */
}

.business-content-container .project-tags::-webkit-scrollbar {
  display: none; /* Chrome/Safari隐藏滚动条 */
}

/* 项目标签样式 */
.business-content-container .project-tag {
  flex: 1;
  text-align: center;
  padding: 12px 24px;
  border-radius: 25px;
  transition: all 0.3s ease;
  cursor: pointer;
  color: #666;
  font-size: 14px;
  font-weight: 500;
  border: 2px solid transparent;
  flex-shrink: 0;
  min-width: 200px;
  position: relative;
  opacity: 0.6; /* 非激活状态半透明 */
  transform: scale(0.9); /* 非激活状态缩小 */
}

/* 激活状态样式 */
.business-content-container .project-tag.active {
  opacity: 1; /* 完全不透明 */
  transform: scale(1); /* 正常大小 */
}

.business-content-container .project-tag {
  font-size: 14px;
  color: #999;
  transition: all 0.3s ease;
  position: relative;
}
.business-content-container .project-tag-title {
  font-size: 24px;
  color: rgba(192, 160, 98, 0.4);
  font-family: "sc-bold";
}

.business-content-container .project-tag.active .project-tag-title {
  font-size: 24px;
  color: #c0a062;
  font-weight: 500;
}
.business-content-container .project-tag.active {
  color: #c0a062;
  transform: translateY(-2px);
}

/* 描述文字样式 */
.business-content-container .project-tag .desc {
  font-size: 12px;
  margin-top: 8px;
  line-height: 1.5;
  font-size: 16px;
  color: #333333;
  transition: all 0.3s ease;

  width: 100%;
  padding: 12px;
  margin-top: 5px;
}
.mobile-nav-container {
  width: 100%;
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-nav-container img {
  height: 25px;
}

.navbar-toggler-icons {
  background: url(https://file.gdcar.net/company-website/resources/zggk-assets/mobile/moreIcon.png);
  background-size: 100% 100%;
  width: 17px;
  height: 16px;
  display: inline-block;
}
