/* Banner 区域 */
.banner {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.video-container video {
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.5));
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  width: 90%;
  max-width: 1200px;
  padding: 0 20px;
  animation: fadeIn 1.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -55%);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.banner-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-content h1 span {
  display: block;
  font-size: 2rem;
  margin-top: 12px;
  font-weight: 400;
  letter-spacing: 1px;
}

.banner-content p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 40px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  line-height: 1.6;
}

/* 播放按钮样式 */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 14px 36px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: all 0.6s;
}

.cta-button:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button i {
  margin-right: 12px;
  font-size: 1.3rem;
}

/* 最新动态区域 */
.latest-news {
  padding: 118px 0;
  width: 100%;
  max-width: 1669px;
  margin: 0 auto;
}

.news-title {
  text-align: center;
  font-size: 50px;
  color: #000000;
  margin-bottom: 30px;
  font-weight: normal;
}

.news-container {
  display: flex;
  gap: 21px;
  /* 左右区域间隙 */
  height: 640px;
  /* 左右区域高度相等 */
}

.news-left {
  width: 1033px;
  display: flex;
  flex-direction: column;
}

.news-left-image {
  width: 100%;
  height: 473px;
  background-color: #e0e0e0;
  overflow: hidden;
  position: relative;
}

.news-left-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-left-image:hover img {
  transform: scale(1.02);
}

.news-left-info {
  height: 167px;
  background-color: #00a2ea;
  display: flex;
  color: white;
}

.news-date {
  width: 16%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
}

.date-day {
  font-size: 32px;
  margin-bottom: 10px;
}

.date-line {
  width: 80px;
  height: 2px;
  background-color: white;
  margin-bottom: 10px;
}

.date-year {
  font-size: 32px;
}

.news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 20px;
}

.news-main-title {
  font-size: 32px;
  margin-bottom: 10px;
}

.news-left .news-main-title a {
  color: #fff;
  text-decoration: none;
}

.news-left .news-main-title a:hover {
  color: #ddd;

}

.news-right .news-right-title a {
  color: #000;
  text-decoration: none;
}

.news-right .news-right-title a:hover {
  color: #00a2ea;
}



.news-description {
  font-size: 22px;
  opacity: 0.9;
}

.news-more {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.news-more span {
  font-family: SimSun, "宋体";
  font-size: 22px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.news-more:hover span {
  transform: translateX(5px);
}

.news-right {
  width: 615px;
  display: flex;
  flex-direction: column;
}

.news-right-image {
  width: 100%;
  height: 341px;
  background-color: #e0e0e0;
  overflow: hidden;
  position: relative;
}

.news-right-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-right-image:hover img {
  transform: scale(1.02);
}

.news-right-info {
  height: 297px;
  background-color: #f4f4f4;
  padding: 30px 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.news-right-title {
  font-size: 32px;
  color: #000;
  margin-bottom: 20px;
}

.news-right-description {
  font-size: 20px;
  color: #676767;
  flex: 1;
}

.news-right-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.news-date-right {
  font-family: Arial, sans-serif;
  font-size: 28px;
  color: #000;
}

.news-more-right {
  font-family: SimSun, "宋体";
  font-size: 22px;
  color: #000;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.news-more-right:hover {
  transform: translateX(5px);
}

/* 鹏和充电站展示区域 */
.penghe-charging {
  position: relative;
  height: 940px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
  color: white;
  overflow: hidden;
}

.charging-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.charging-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.charging-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.charging-title {
  font-size: 50px;
  font-weight: normal;
  margin-bottom: 30px;
  padding-top: 3rem;
}

.charging-description {
  font-size: 30px;
  max-width: 60%;
  margin-bottom: 20px;
  line-height: 1.8;
}

.charging-stats {
  display: flex;
  justify-content: space-between;
  gap: 80px;
  margin-bottom: 60px;
  flex-wrap: wrap;
  width: 77.8%;
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 250px;
}

.stat-number {
  display: flex;
  align-items: baseline;
  margin-bottom: 0px;
  position: relative;
}


.stat-number sup.supAdd {
  position: absolute;

  top: 0;
  font-size: 0.5em;
}

.number {
  font-family: Arial, sans-serif;
  font-size: 75px;
  font-weight: bold;
  margin-right: 10px;
}

.unit {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 30px;
}

.stat-line {
  width: 251px;
  height: 2px;
  background-color: white;
  margin-bottom: 20px;
}

.stat-text {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 30px;
  font-weight: normal;
}

.charging-button {
  background-color: white;
  width: 153px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  color: black;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 25px;
}

.charging-button span {
  margin-right: 5px;
}

.charging-button .arrow {
  font-family: Arial, sans-serif;
}

.charging-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}



.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, #0066cc, #0099ff);
  border-radius: 3px;
}

.section-title h2 {
  font-size: 2.2rem;
  color: #0066cc;
  margin-bottom: 15px;
  font-weight: 600;
}

.section-title p {
  font-size: 1.1rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #0066cc, #0099ff);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-img {
  height: 180px;
  background: #f0f7ff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0066cc;
  font-size: 3rem;
  transition: background 0.3s;
}

.feature-card:hover .feature-img {
  background: #e6f2ff;
}

.feature-content {
  padding: 25px;
}

.feature-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #333;
  font-weight: 600;
}

.feature-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 1rem;
}

.learn-more {
  display: inline-flex;
  align-items: center;
  color: #0066cc;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  font-size: 0.95rem;
}

.learn-more i {
  margin-left: 6px;
  transition: transform 0.3s;
}

.learn-more:hover {
  color: #0052aa;
}

.learn-more:hover i {
  transform: translateX(5px);
}

/* 遮罩层 */
.menu-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.menu-mask.active {
  opacity: 1;
  visibility: visible;
}

/* 产品展示区 */
/*
    .products {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .product-card {
      background: #f00;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s;
    }

    .product-img {
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0066cc;
      font-size: 2.5rem;
    }

    .product-content {
      padding: 20px;
      text-align: center;
    }

    .product-content h3 {
      font-size: 1.3rem;
      color: #333;
      margin-bottom: 10px;
    }

    .product-content p {
      color: #666;
      font-size: 0.95rem;
      margin-bottom: 15px;
    }

    .product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }
      */

/* 充电站分布 */
.stations-network {
  background-color: #f9fcff;
  padding: 80px 5%;
}

.stats-container {
  max-width: 1000px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.stats-grid {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 20px 30px;
  flex: 1;
  min-width: 150px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30%;
  right: 0;
  height: 40%;
  width: 1px;
  background: #eee;
}

.stat-value {
  font-size: 2.8rem;
  color: #0066cc;
  font-weight: bold;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.stat-value::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(0, 102, 204, 0.1);
  z-index: -1;
}

.stat-label {
  color: #666;
  font-size: 1rem;
}

.map-placeholder {
  height: 300px;
  background: linear-gradient(135deg, #f0f7ff, #e6f2ff);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0066cc;
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230066cc' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.map-placeholder i {
  font-size: 3rem;
  margin-right: 15px;
  position: relative;
  z-index: 1;
}

.map-placeholder span {
  position: relative;
  z-index: 1;
}


.contact-info {
  list-style: none;
}

.contact-info li {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
}

.contact-info i {
  margin-right: 10px;
  color: #0099ff;
  margin-top: 4px;
  width: 20px;
  text-align: center;
}

.contact-info span {
  opacity: 0.8;
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
}

.social-icon:hover {
  background: #0099ff;
  transform: translateY(-3px);
}



/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: #fff;
  z-index: 1000;
  transition: right 0.4s ease;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  padding: 80px 20px 20px;
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-links {
  list-style: none;
}

.mobile-nav-links li {
  margin-bottom: 15px;
  border-bottom: 1px solid #f0f0f0;
  padding-bottom: 10px;
}

.mobile-nav-links a {
  text-decoration: none;
  color: #333;
  font-size: 16px;
  font-weight: 500;
  display: block;
  transition: all 0.3s;
}

.mobile-nav-links a.active {}

.mobile-nav-links a:hover {
  color: #0066cc;
  padding-left: 5px;
}

.mobile-language {
  margin-top: 30px;
  display: flex;
  gap: 10px;
  padding-top: 15px;
  border-top: 1px solid #f0f0f0;
}

.mobile-language button {
  padding: 8px 15px;
  background: #f0f7ff;
  border: none;
  border-radius: 5px;
  font-weight: 500;
  cursor: pointer;
}

.mobile-language button.active {
  background: #0066cc;
  color: white;
}

/* 响应式设计 - 调整logo大小 */
@media (max-width: 1670px) {
  .latest-news {
    padding-left: 20px;
    padding-right: 20px;
  }

  .news-container {
    width: 100%;
  }

  .news-left {
    width: calc(100% - 636px);
  }

  .news-right {
    width: 615px;
  }
}

@media (max-width: 1200px) {
  .banner-content h1 {
    font-size: 3rem;
  }

  .banner-content h1 span {
    font-size: 1.8rem;
  }

  .news-container {
    flex-direction: column;
    height: auto;
  }

  .news-left,
  .news-right {
    width: 100%;
    margin-bottom: 30px;
  }

  .news-left {
    height: 640px;
  }

  .news-right {
    height: 638px;
  }

  .charging-stats {
    gap: 50px;
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .language-toggle {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .banner-content h1 {
    font-size: 2.5rem;
  }

  .banner-content h1 span {
    font-size: 1.6rem;
  }

  .banner-content p {
    font-size: 1.1rem;
  }

  .news-title {
    font-size: 40px;
  }

  .penghe-charging {
    height: auto;
    padding: 100px 20px;
  }

  .charging-title {
    font-size: 45px;
  }

  .charging-description {
    font-size: 26px;
  }

  .stat-number {
    margin-bottom: 15px;
  }

  .number {
    font-size: 65px;
  }

  .unit {
    font-size: 26px;
  }

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

@media (max-width: 768px) {
  .logo img {
    max-height: 45px;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .feature-card {
    max-width: 100%;
  }

  .footer-col {
    width: 100%;
  }

  .stats-grid {
    flex-direction: column;
  }

  .stat-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
  }

  .stat-item:not(:last-child) {
    border-bottom: 1px solid #eee;
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .news-title {
    font-size: 35px;
  }

  .news-main-title,
  .news-right-title {
    font-size: 28px;
  }

  .news-description {
    font-size: 20px;
  }

  .charging-title {
    font-size: 40px;
  }

  .charging-description {
    font-size: 24px;
    margin-bottom: 40px;
  }

  .charging-stats {
    gap: 40px;
    margin-bottom: 40px;
  }

  .stat-line {
    width: 200px;
  }

  .number {
    font-size: 60px;
  }

  .unit {
    font-size: 24px;
  }

  .stat-text {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  .logo img {
    max-height: 40px;
  }

  .banner-content h1 {
    font-size: 2rem;
  }

  .banner-content h1 span {
    font-size: 1.3rem;
  }

  .banner-content p {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .cta-button {
    padding: 12px 28px;
    font-size: 1rem;
  }

  .section-title {
    margin-bottom: 40px;
  }



  .mobile-menu {
    width: 260px;
  }

  .stat-value {
    font-size: 2.2rem;
  }

  .news-title {
    font-size: 30px;
  }

  .news-main-title,
  .news-right-title {
    font-size: 28px;
  }

  .news-description {
    font-size: 18px;
  }

  .charging-title {
    font-size: 40px;
  }

  .charging-description {
    font-size: 22px;
    margin-bottom: 30px;
  }

  .charging-stats {
    gap: 30px;
    margin-bottom: 30px;
  }

  .stat-block {
    min-width: auto;
    width: 100%;
  }

  .stat-line {
    width: 180px;
  }

  .number {
    font-size: 55px;
  }

  .unit {
    font-size: 22px;
  }

  .stat-text {
    font-size: 22px;
  }

  .charging-button {
    width: 140px;
    height: 40px;
    font-size: 24px;
  }
}

/* 原有样式基础上增加以下响应式调整 */
@media (max-width: 1200px) {
  .charging-stats {
    gap: 60px;
    /* 中等屏幕缩小间距 */
  }

  .charging-description {
    max-width: 75%;
    /* 扩大描述文本宽度 */
  }
}

@media (max-width: 992px) {
  .charging-stats {
    gap: 40px;
    /* 平板屏幕进一步缩小间距 */
  }

  .stat-block {
    min-width: 200px;
    /* 缩小最小宽度限制 */
  }

  .number {
    font-size: 65px;
    /* 缩小数字字体 */
  }

  .stat-text {
    font-size: 26px;
    /* 缩小文本字体 */
  }
}

@media (max-width: 768px) {
  .penghe-charging {
    padding: 80px 15px;
    /* 增加内边距避免内容贴边 */
  }

  .charging-stats {
    gap: 30px;
    /* 小屏继续缩小间距 */
    justify-content: center;
    /* 居中对齐 */
  }

  .charging-description {
    max-width: 90%;
    /* 进一步扩大文本宽度 */
    font-size: 22px;
    /* 缩小描述字体 */
    line-height: 1.6;
    /* 优化行高提升可读性 */
  }

  .stat-number {
    margin-bottom: 10px;
  }

  .number {
    font-size: 55px;
  }

  .unit {
    font-size: 22px;
  }

  .stat-line {
    width: 200px;
    /* 缩短分隔线 */
  }

  .stat-text {
    font-size: 22px;
    text-align: center;
    /* 确保文本居中 */
  }
}

@media (max-width: 576px) {
  .charging-title {
    font-size: 36px;
    /* 缩小标题 */
    margin-bottom: 20px;
  }

  .charging-description {
    font-size: 20px;
    margin-bottom: 30px;
  }

  .charging-stats {
    gap: 25px;
    /* 手机端最小间距 */
  }

  .stat-block {
    min-width: 100%;
    /* 单列显示 */
    margin-bottom: 25px;
    /* 增加纵向间距 */
  }

  .number {
    font-size: 50px;
  }

  .stat-line {
    width: 180px;
  }

  .stat-text {
    font-size: 20px;
  }
}

/* 新增的充电产品展示区域样式 */
.products-showcase {
  padding: 140px 0 60px;
  max-width: 1669px;
  margin: 0 auto;
}

.products-study {
  padding: 80px 0 60px;
}

.products-showcase .showcase-header {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin-bottom: 40px;
}

.products-showcase .showcase-title {
  font-size: 50px;
  font-weight: normal;
  color: #000;
  text-align: center;
  margin: 0;
}

.products-showcase .control-buttons {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 15px;
}

.products-showcase .control-button {
  width: 47px;
  height: 47px;
  border-radius: 50%;
  border: 1px solid #e7e7e7;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: SimSun, "宋体", sans-serif;
  font-size: 24px;
  color: #000;
  cursor: pointer;
  transition: all 0.3s ease;
}

.products-showcase .control-button:hover {
  background: #00a2ea;
  color: white;
}

.products-showcase .products-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.products-showcase .products-track {
  display: flex;
  gap: 30px;
  transition: transform 0.5s ease-out;
}

.products-showcase .product-card {
  flex: 0 0 auto;
  width: 392px;
  height: 563px;
  background: #f4f4f4;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  /* box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);*/
  transition: transform 0.3s;
}

.products-study .product-card {
  width: 392px;
  height: 420px;
}

.products-showcase .product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.products-showcase .product-img {
  width: 100%;
  height: 351px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.products-study .product-img {
  height: 272px;
  margin-bottom: 10px;
}

.products-showcase .product-img a {
  display: block;
  height: 100%;
}

.products-showcase .product-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.products-showcase .product-name {
  font-size: 25px;
  color: #000;
  margin-bottom: 1px;
  font-weight: normal;
}

.products-showcase .product-desc {
  font-size: 22px;
  color: #000;
  margin-bottom: 20px;
  text-align: center;
}

.products-showcase .product-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 337px;
  margin-top: 15px;
}

.products-showcase .divider-line {
  flex-grow: 1;
  height: 2px;
  background: #bebebe;
}

.products-showcase .link-text {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0 12px;
}

.products-showcase .link-arrow {
  font-family: SimSun, "宋体", sans-serif;
  font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 1670px) {
  .products-showcase {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 1200px) {
  .products-showcase {
    max-width: 100%;
  }

  .products-showcase .showcase-title {
    font-size: 45px;
  }

  .products-showcase .control-button {
    width: 42px;
    height: 42px;
    font-size: 22px;
  }

  .products-showcase .products-track {
    gap: 20px;
  }
}

@media (max-width: 992px) {
  .products-showcase .showcase-title {
    font-size: 40px;
  }

  .products-showcase .product-card {
    width: 350px;
    height: 520px;
  }

  .products-showcase .product-img {
    height: 340px;
  }

  .products-showcase .product-name {
    font-size: 22px;
  }

  .products-showcase .product-desc {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .products-showcase .showcase-title {
    font-size: 38px;
  }

  .products-showcase .product-card {
    width: 300px;
    height: 480px;
  }

  .products-showcase .product-img {
    height: 300px;
  }

  .products-showcase .product-name {
    font-size: 20px;
  }

  .products-showcase .product-desc {
    font-size: 18px;
  }

  .products-showcase .control-buttons {
    gap: 10px;
  }

  .products-showcase .control-button {
    width: 38px;
    height: 38px;
    font-size: 20px;
  }
}

@media (max-width: 576px) {
  .products-showcase {
    padding-top: 60px;
    padding-bottom: 30px;
  }

  .products-showcase .showcase-title {
    font-size: 32px;
  }

  .products-showcase .showcase-header {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
  }

  .products-showcase .control-buttons {
    position: static;
    transform: none;
    justify-content: center;
  }

  .products-showcase .product-card {
    width: 280px;
    height: 440px;
  }

  .products-showcase .product-img {
    height: 270px;
  }

  .products-showcase .product-name {
    font-size: 18px;
  }

  .products-showcase .product-desc {
    font-size: 16px;
  }
}

/*---------------------------------------------------*/
/* 充电解决方案区域样式 */
.solutions-section {
  max-width: 1669px;
  margin: 0 auto;
  padding: 70px 0 60px;
  /* 上边距100px */
  overflow: hidden;
  /* 避免内容溢出 */
}

.solutions-title {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 50px;
  font-weight: normal;
  color: #000;
  text-align: center;
  margin-bottom: 60px;
  /* 标题与下方内容的间距 */
}

/* 解决方案展示区域 */
.solution-gallery {
  display: flex;
  height: 730px;
  gap: 19px;
  /* 项目之间的间距 */
  position: relative;
}

/* 解决方案项目样式 */
.solution-item {
  position: relative;
  height: 100%;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.5s ease-in-out;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

/* 默认展开的项目 */
.solution-item.active {
  width: 1010px;
}

/* 默认收缩的项目 */
.solution-item:not(.active) {
  width: 310px;
}

/* 内容样式 */
.solution-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0 47px;
  z-index: 2;
}

/* 展开状态下的标题 */
.solution-item.active .solution-header {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 40px;
  font-weight: normal;
  color: #fff;
  margin-bottom: 15px;
  /* 标题与描述之间的距离 */
  margin-right: 40px;
  /* 距离右侧的空间 */
  animation: fadeInUp 0.6s ease;
}

/* 展开状态下的描述 */
.solution-item.active .solution-description {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 22px;
  color: #fff;
  margin-bottom: 64px;
  /* 距离底部的空间 */
  animation: fadeInUp 0.8s ease;
}

/* 收缩状态下的标题 */
.solution-item:not(.active) .solution-header {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 40px;
  font-weight: normal;
  color: #fff;
  position: absolute;
  bottom: 75px;
  /* 距离底部的空间 */
  left: 65px;
  /* 距离左侧的空间 */
  z-index: 2;
  animation: fadeInUp 0.4s ease;
}

/* 收缩状态下隐藏描述 */
.solution-item:not(.active) .solution-description {
  display: none;
}

/* 关键帧动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* 项目背景设置 - 实际使用中替换为您的图片URL */
.solution-item[data-type="government"] {
  background-image: url('../images/g1.png');
}

.solution-item[data-type="enterprise"] {
  background-image: url('../images/g3.png');
}

.solution-item[data-type="personal"] {
  background-image: url('../images/g2.png');
}

/* 覆盖层增强文字可读性 */
.solution-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 30%, transparent 70%);
  z-index: 1;
  transition: opacity 0.5s ease;
}

/* 悬停时的覆盖层变淡 */
.solution-item:hover::after {
  opacity: 0.85;
}

/* 交互效果 - 鼠标悬停展开 */
.solution-item:hover {
  width: 1010px !important;
  /* 覆盖收缩状态的宽度 */
}

.solution-item:hover .solution-header {
  position: relative !important;
  /* 覆盖收缩状态的绝对定位 */
  bottom: auto !important;
  left: auto !important;
  margin-bottom: 15px;
  margin-right: 40px;
}

.solution-item:hover .solution-description {
  display: block !important;
  /* 显示描述 */
  animation: fadeInUp 0.6s ease;
}

/* 媒体查询 - 小屏幕优化 */
@media (max-width: 1200px) {
  .solution-gallery {
    height: 600px;
  }

  .solution-item.active {
    width: 700px;
  }

  .solution-item:not(.active) {
    width: 220px;
  }
}

@media (max-width: 768px) {
  .solutions-section {
    padding: 60px 20px;
  }

  .solutions-title {
    font-size: 40px;
    margin-bottom: 40px;
  }

  .solution-gallery {
    height: 400px;
    flex-direction: column;
  }

  .solution-item,
  .solution-item.active,
  .solution-item:hover {
    width: 100% !important;
    height: 130px;
    margin-bottom: 15px;
  }

  .solution-content {
    padding: 0 25px;
  }

  .solution-header {
    font-size: 30px !important;
    position: static !important;
    margin-bottom: 10px !important;
  }

  .solution-item .solution-description {
    margin-bottom: 30px !important;
    font-size: 18px !important;
    display: block !important;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

  }
}

/*整屏幕显示的一张图片*/
.full-screen-image {
  margin-top: 100px;
  width: 100%;
}

.full-screen-image img {
  max-width: 100%;
  object-fit: cover;
}


/* 视频模态框样式====================================================== */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  position: relative;
  width: 80%;
  max-width: 1000px;
  padding: 20px;
  border-radius: 10px;
  background: rgba(15, 30, 50, 0.3);
  box-shadow: 0 10px 50px rgba(0, 150, 255, 0.2);
}

.close-btn {
  position: absolute;
  top: -40px;
  right: 10px;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  transition: color 0.3s;
  z-index: 1001;
}

.close-btn:hover {
  color: #00a8ff;
}

.modal-video {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  /* 16:9 宽高比 */
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #000;
}

.modal-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-caption {
  text-align: center;
  margin-top: 20px;
  font-size: 1.2rem;
  color: #cceeff;
  font-weight: 300;
}