@font-face {
  font-family: 'Alibaba PuHuiTi 3.0-85 Bold';
  src: local('Alibaba PuHuiTi 3.0-85 Bold'), local('Alibaba PuHuiTi');
  font-weight: 700;
  font-style: normal;
}

/* 备案信息 */
.footer-icp {
  text-align: center;
  font-size: 12px;
  color: #666;
  padding: 12px 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.footer-icp a {
  color: inherit;
  text-decoration: none;
}
.footer-icp a:hover {
  text-decoration: underline;
}

@font-face {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3';
  src: local('Alibaba PuHuiTi 3.0-55 Regular L3'), local('Alibaba PuHuiTi');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'HarmonyOS Sans SC-Medium';
  src: local('HarmonyOS Sans SC-Medium'), local('HarmonyOS Sans SC');
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular';
  src: local('Alibaba PuHuiTi 3.0-55 Regular'), local('Alibaba PuHuiTi');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'OPPOSans-Bold';
  src: local('OPPOSans-Bold'), local('OPPO Sans');
  font-weight: 700;
  font-style: normal;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  overflow: auto;
  background-color: #808080;
}

.app-container {
  width: 1917px;
  max-width: 100vw;
  min-height: 919px;
  position: relative;
  background-color: transparent;
  overflow-x: hidden;
}

@media (max-width: 1920px) {
  .app-container {
    width: 100%;
    height: auto;
  }
}

/* 第一部分统一背景容器 */
.hero-background {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  background-image: url('images/切图 4.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-attachment: scroll;
  overflow: hidden;
  min-height: calc(116px + 803px); /* 导航栏高度 + 主内容高度 */
  /* 优化背景图渲染质量 - 使用平滑插值提升显示效果 */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: auto;
  -ms-interpolation-mode: bicubic;
  /* 使用硬件加速提升渲染性能 */
  transform: translateZ(0);
  will-change: background-image;
  /* 改善图片缩放质量 - 平滑渲染 */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  /* 强制使用高质量缩放 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 导航栏样式 */
.navbar {
  width: 1920px;
  max-width: 100vw;
  height: 116px;
  background-color: rgba(36, 36, 36, 0.1);
  background-image: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0 32px;
  box-sizing: border-box;
  position: relative;
  margin: 0 auto;
  gap: 0;
}
@media (max-width: 1920px) {
  .hero-background {
    background-size: cover;
    background-position: center top;
  }
  .navbar {
    width: 100%;
    height: auto;
    min-width: 320px;
    padding: 0 8px;
  }
}
.logo {
  width: 180px;
  height: 63.8px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-left: 107px;
  margin-top: 26px;
  margin-bottom: 26px;
  margin-right: 0;
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  flex: 1;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 48px; /* 六个导航项之间固定间距48px */
  margin-left: 80px; /* Logo到首页的固定间距80px */
  margin-right: 80px; /* 最后一个导航项到电话号码的间距 */
  margin-top: 46px;
  overflow-x: auto;
  white-space: nowrap;
  min-width: 0;
  flex-wrap: wrap; /* 允许换行，当空间不足时自动换行到grid布局 */
}
.nav-item {
  height: 25px;
  text-align: center;
  line-height: 25px;
  font-size: 18px;
  color: #fff;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none; /* 移除默认下划线 */
  cursor: pointer; /* 显示手型光标 */
  transition: color 0.3s ease, text-decoration 0.3s ease; /* 平滑过渡 */
}

/* 导航项悬停效果 */
.nav-item:hover {
  color: #0099ff !important; /* 悬停时变蓝 */
  text-decoration: underline; /* 显示下划线 */
  text-decoration-thickness: 2px; /* 加厚下划线 */
  text-underline-offset: 3px; /* 调整下划线位置 */
}
.nav-item:first-child {
  width: 72.5px;
}

/* 更宽的断点，用于处理控制台打开的情况 */
@media (max-width: 1700px) {
  .navbar {
    padding: 0 20px;
  }
  .logo {
    margin-left: 60px;
    margin-right: 0;
  }
.nav-menu {
    gap: 48px; /* 保持固定间距48px不变 */
    margin-left: 80px; /* 保持Logo到首页的间距80px不变 */
    margin-right: 80px; /* 最后一个导航项到电话号码的间距 */
  }
  .nav-item {
    font-size: 17px;
    flex-shrink: 1;
  }
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto;
    margin-right: 120px; /* 电脑访问时保持右边距 */
    flex-shrink: 0;
    min-width: fit-content;
    max-width: none;
  }
  .phone-number {
    font-size: 1rem;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    max-width: none;
    width: auto;
  }
}

/* 电脑分辨率（大于1400px）保持电话号码右边距 */
@media (min-width: 1401px) {
  .phone-area {
    margin-right: 120px !important; /* 电脑访问时保持右边距 */
  }
}

@media (max-width: 1500px) {
  .navbar {
    padding: 0 18px;
  }
  .logo {
    margin-left: 40px;
    margin-right: 0;
    flex-shrink: 1;
    max-width: 170px;
  }
  .nav-menu {
    display: flex;
    gap: 48px; /* 保持固定间距48px不变 */
    margin-left: 80px; /* 保持Logo到首页的间距80px不变 */
    margin-right: 80px; /* 最后一个导航项到电话号码的间距 */
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: wrap; /* 允许换行，当空间不足时自动换行 */
  }
  .nav-item {
    font-size: 15px;
    flex-shrink: 1;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    min-width: 0;
  }
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto;
    margin-right: 100px; /* 电脑访问时保持右边距 */
    flex-shrink: 0;
    min-width: fit-content;
    max-width: none;
  }
  .phone-number {
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    max-width: none;
    width: auto;
  }
}

@media (max-width: 1400px) {
  .navbar {
    padding: 0 16px;
  position: relative;
    height: 116px;
    min-height: 116px;
    align-items: center;
  }
  .logo {
    margin-left: 0;
    margin-right: 16px; /* Logo到电话号码的间距 */
    max-width: 150px;
    flex-shrink: 0;
    align-self: center;
  }
  /* 电话号码放在Logo右边，避免重叠 */
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto; /* 自动靠右对齐 */
    margin-right: 0; /* 直接靠右，不留固定间距 */
    flex-shrink: 0;
    min-width: fit-content;
    max-width: none;
    align-self: center;
    order: 0;
  }
  .phone-number {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    max-width: none;
    width: auto;
  }
  .nav-menu {
    display: grid; /* 恢复grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 1;
  }
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    font-size: 14px;
    flex-shrink: 1;
  width: 100%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    min-width: 0;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important; /* 确保文字可见 */
  }
}

/* 当电话号码可能重叠时，使用grid布局，电话号码放Logo右边 */
@media (max-width: 1300px) {
  .navbar {
    position: relative;
    padding: 0 10px; /* 减小内边距 */
    height: 116px; /* 保持原始高度，不增加 */
    min-height: 116px;
    align-items: center;
    gap: 12px; /* 统一的间距 */
    justify-content: flex-start; /* 从左边开始排列 */
  }
  .logo {
    margin-left: 0;
    margin-right: 0;
    max-width: 120px; /* 减小Logo最大宽度 */
    flex-shrink: 1; /* 允许适当缩小 */
    align-self: center;
    min-width: 90px; /* 设置最小宽度 */
  }
  /* 电话号码放在Logo右边 */
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto; /* 自动靠右对齐 */
    margin-right: 0; /* 直接靠右，不留固定间距 */
    flex-shrink: 0;
    min-width: fit-content;
    max-width: none;
    align-self: center;
    order: 3; /* 移到最右边 */
  }
  .phone-number {
    font-size: 0.8rem; /* 稍微减小字体 */
    margin-right: 4px;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    max-width: none;
    width: auto;
  }
  .nav-menu {
    display: grid; /* 恢复grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 2; /* 在Logo和电话之间 */
  }
  .nav-dropdown {
    display: none !important;
  }
.nav-item {
    font-size: 13px;
    flex-shrink: 1;
    width: 100%;
  white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    min-width: 0;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important; /* 确保文字可见 */
  }
}

/* 空间不足时，使用grid布局，电话号码放在Logo右边，导航栏不增高 */
@media (max-width: 1200px) {
  .navbar {
    position: relative;
    padding: 0 12px;
    height: 116px; /* 保持原始高度，不增加 */
    min-height: 116px;
    align-items: center;
  }
  /* Logo和电话号码放在一起 */
  .logo {
    margin-left: 0;
    margin-right: 16px; /* Logo到电话号码的间距 */
    flex-shrink: 0;
    min-width: 60px;
    max-width: 150px;
    align-self: center;
    margin-top: 0;
  }
  .logo-image {
    max-width: 100%;
    height: auto;
    object-fit: contain;
  }
  /* 电话号码放在Logo右边 */
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto; /* 自动靠右对齐 */
    margin-right: 0; /* 直接靠右，不留固定间距 */
    flex-shrink: 0;
    min-width: fit-content;
    max-width: none;
    align-self: center;
    order: 0; /* 在Logo后面 */
  }
  .phone-number {
    font-size: 0.85rem;
    margin-right: 5px;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 0;
    overflow: visible;
    text-overflow: clip;
    max-width: none;
    width: auto;
  }
  .nav-menu {
    display: grid; /* 恢复grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 1;
  }
  .nav-dropdown {
    display: none !important;
  }
  .nav-item { 
    width: 100%;
    min-width: 0;
    font-size: 11px;
    flex-shrink: 2;
    padding: 0;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    max-width: 100%;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important; /* 确保文字可见 */
  }
}

/* 默认隐藏下拉菜单（在大于480px时） */
.nav-dropdown {
  display: none;
}

/* 下拉菜单基础样式 */
.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: #fff;
  font-size: 14px;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.nav-dropdown-toggle:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.nav-dropdown-toggle.active {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.nav-dropdown-text {
  color: #fff;
  white-space: nowrap;
}

.nav-dropdown-icon {
  color: #fff;
  font-size: 10px;
  transition: transform 0.3s ease;
}

.nav-dropdown-toggle.active .nav-dropdown-icon {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background-color: rgba(36, 36, 36, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: none;
  flex-direction: column;
  z-index: 1000;
  min-width: 160px;
  overflow: hidden;
}

.nav-dropdown-menu.active {
  display: flex;
}

.nav-dropdown-item {
  display: block;
  padding: 12px 16px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.nav-dropdown-item:last-child {
  border-bottom: none;
}

.nav-dropdown-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #0099ff !important; /* 悬停时变蓝 */
  text-decoration: underline; /* 显示下划线 */
  text-decoration-thickness: 2px; /* 加厚下划线 */
  text-underline-offset: 3px; /* 调整下划线位置 */
}

/* 在1000px以上使用grid布局，不显示下拉菜单 */

/* 针对1024px左右（如Nest Hub 1024×600）优化间距 - 已使用下拉菜单 */
@media (max-width: 1050px) and (min-width: 1000px) {
  .navbar {
    padding: 0 8px;
    height: 116px;
    min-height: 116px;
  }
  .logo {
    max-width: 110px;
    flex-shrink: 1;
    margin-right: 12px;
  }
  .phone-area {
    position: static;
    right: auto;
    top: auto;
    margin-left: auto; /* 自动靠右对齐 */
    margin-right: 0; /* 直接靠右，不留固定间距 */
  }
  .nav-menu {
    display: grid; /* 恢复grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 1;
  }
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    font-size: 12px;
    color: #fff !important; /* 确保文字可见 */
  }
}

/* 针对900-1000px范围（如912px）优化间距 - 使用grid布局 */
@media (max-width: 1000px) and (min-width: 900px) {
  .nav-menu {
    display: grid; /* 使用grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
  }
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    font-size: 12px;
  }
}

@media (max-width: 700px) {
  .nav-menu {
    display: grid; /* 使用grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
  }
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    width: 100%;
    min-width: 0;
    font-size: 12px;
    flex-shrink: 1;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important; /* 确保文字可见 */
  }
}
.phone-area {
  position: static; /* 改为相对定位，使用flex布局 */
  right: auto;
  top: auto;
  display: flex;
  align-items: center;
  margin-left: auto; /* 自动靠右对齐 */
  margin-right: 153px; /* 电脑访问时保持右边距 */
  margin-top: 45px;
  z-index: 10;
  flex-shrink: 0; /* 防止压缩 */
  min-width: fit-content;
}
.phone-number {
  color: #fff;
  font-size: 1.1rem;
  margin-right: 12px;
  white-space: nowrap;
  display: block;
  text-decoration: none; /* 移除默认下划线 */
}

.phone-icon-box {
  display: flex;
  align-items: center;
  position: relative;
}
.phone-icon-bg {
  width: 30px;
  height: 30px;
  background: #0056A2;
  border-radius: 50%;
  display: block;
  position: relative;
}
.phone-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  position: absolute;
  left: 6px;
  top: 6px;
}

@media (max-width: 900px) {
  .navbar { 
    height: auto; 
    padding: 0 10px; 
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
  .logo {
    width: 120px;
    height: 40px;
    margin-left: 0;
    margin-top: 12px;
    margin-bottom: 12px;
    margin-right: 8px;
  }
  .nav-menu { 
    display: grid; /* 使用grid布局 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 0;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 2;
  }
  /* 隐藏下拉菜单 */
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    width: 100%;
    min-width: 0;
    font-size: 13px;
    flex-shrink: 1;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important; /* 确保文字可见 */
  }
  .phone-area {
    position: static;
    margin-top: 0;
    margin-right: 8px;
    margin-left: auto;
    justify-content: flex-end;
    order: 3;
    flex-shrink: 0;
  }
}
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 8px 12px;
  }
  .logo {
    width: 80px;
    height: 28px;
    margin-left: 10px;
    margin-top: 6px;
    margin-bottom: 6px;
    margin-right: 0;
  }
  .nav-menu {
    display: grid; /* 使用grid布局，不显示下拉菜单 */
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 48px; /* 行间距4px，列间距48px（保持与flex布局一致） */
    margin-left: 80px; /* 保持Logo到首页的间距不变 */
    margin-right: 0;
    margin-top: 8px;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    justify-items: start;
    align-items: center;
    align-self: center;
    order: 2;
    width: 100%;
  }
  /* 隐藏下拉菜单 */
  .nav-dropdown {
    display: none !important;
  }
  .nav-item {
    font-size: 11px;
    width: 100%;
    min-width: 0;
    text-align: left;
    justify-content: flex-start;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff !important;
  }
  .phone-area {
    position: static;
    margin-right: 0;
    margin-top: 12px;
    margin-left: 10px;
    justify-content: flex-start;
    order: 3;
    width: 100%;
  }
  .phone-number {
    font-size: 0.88rem;
    margin-right: 5px;
  }
  .phone-icon-bg { width: 22px; height: 22px; }
  .phone-icon { width: 13px; height: 13px; left: 4.5px; top: 4.5px; }
}

/* 手机分辨率（480px及以下）使用下拉菜单 */
@media (max-width: 480px) {
  .navbar {
    padding: 8px 12px;
  }
  .logo {
    width: 80px;
    height: 28px;
    margin-left: 10px;
    margin-top: 6px;
    margin-bottom: 6px;
    margin-right: 0;
  }
  .nav-menu {
    display: none !important; /* 隐藏grid布局的导航菜单 */
  }
  /* 显示下拉菜单 */
  .nav-dropdown {
    display: block !important;
    position: relative;
    width: 100%;
    margin-left: 10px;
    margin-top: 8px;
    order: 2;
  }
  .nav-dropdown-toggle {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 16px;
    background-color: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: 4px;
    color: #fff !important;
    font-size: 14px;
    font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
    white-space: nowrap;
  }
  .nav-dropdown-toggle:hover {
    background-color: rgba(255, 255, 255, 0.3) !important;
  }
  .nav-dropdown-toggle.active {
    background-color: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
  }
  .nav-dropdown-text {
    color: #fff !important;
    white-space: nowrap;
  }
  .nav-dropdown-icon {
    color: #fff !important;
    font-size: 10px;
    transition: transform 0.3s ease;
  }
  .nav-dropdown-toggle.active .nav-dropdown-icon {
    transform: rotate(180deg);
  }
  .nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background-color: rgba(36, 36, 36, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: none; /* 默认隐藏 */
    flex-direction: column;
    z-index: 1000;
    min-width: 160px;
    overflow: hidden;
  }
  .nav-dropdown-menu.active {
    display: flex !important;
  }
  .nav-dropdown-item {
    display: block;
    padding: 12px 16px;
    color: #fff !important;
    text-decoration: none !important;
    font-size: 14px;
    font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
  }
  .nav-dropdown-item:last-child {
    border-bottom: none;
  }
  .nav-dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #0099ff !important; /* 悬停时变蓝 */
    text-decoration: underline !important; /* 显示下划线 */
    text-decoration-thickness: 2px !important; /* 加厚下划线 */
    text-underline-offset: 3px !important; /* 调整下划线位置 */
  }
  .nav-item {
    font-size: 13px;
    width: 100%;
    text-align: left;
    justify-content: flex-start;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff !important;
  }
  .phone-area {
    position: static;
    margin-right: 0;
    margin-top: 12px;
    margin-left: 10px;
    justify-content: flex-start;
    order: 3;
    width: 100%;
  }
  .phone-number {
    font-size: 0.88rem;
    margin-right: 5px;
  }
  .phone-icon-bg { width: 22px; height: 22px; }
  .phone-icon { width: 13px; height: 13px; left: 4.5px; top: 4.5px; }
}

/* 超小手机屏幕优化（400px及以下） */
@media (max-width: 400px) {
  .navbar {
    padding: 6px 8px;
  }
  .logo {
    margin-left: 8px;
    margin-top: 4px;
    margin-bottom: 4px;
    width: 70px;
    height: 24px;
  }
  .nav-dropdown {
    margin-left: 8px;
    margin-top: 6px;
  }
  .nav-dropdown-toggle {
    padding: 6px 12px;
    font-size: 12px;
    min-width: 80px;
    max-width: 180px;
  }
  .nav-dropdown-menu {
    min-width: 140px;
  }
  .nav-dropdown-item {
    font-size: 12px;
    padding: 10px 14px;
  }
  .nav-item {
    font-size: 12px;
    text-align: left;
    justify-content: flex-start;
    color: #fff !important;
  }
  .phone-area {
    margin-left: 8px;
    margin-top: 8px;
  }
}

/* 主要内容区域 */
.main-content {
  position: relative;
  width: 100%;
  height: 803px;
  min-height: 803px;
  max-height: 803px;
  background-color: transparent;
  background-image: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.title-icon {
  width: 24px;
  height: 24px;
  position: absolute;
  left: 265px;
  top: 414.2px;
  object-fit: contain;
}

/* 切图3 圆形背景（与电话图标背景风格一致） */
.title-icon-bg {
  position: absolute;
  left: 262px; /* 24px 图标在 30px 圆内水平居中 */
  top: 411.2px;  /* 24px 图标在 30px 圆内垂直居中 */
  width: 30px;
  height: 30px;
  background: #0056A2;
  border-radius: 50%;
}

.title-main {
  width: 748px;
  height: 156px;
  position: absolute;
  left: 257px;
  top: 152.2px;
  font-size: 56px;
  line-height: 78px;
  color: #ffffff;
  font-family: 'Alibaba PuHuiTi', sans-serif;
  text-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
  margin: 0;
  padding: 0;
}

.title-main .title-bold { font-family: 'Alibaba PuHuiTi 3.0-85 Bold', 'Alibaba PuHuiTi', sans-serif; font-weight: 700; }
.title-main .title-regular { font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif; font-weight: 400; }
.title-main .title-light { font-family: 'Alibaba PuHuiTi 3.0-45 Light', 'Alibaba PuHuiTi', sans-serif; font-weight: 300; }

.subtitle {
  width: auto;
  height: 34px;
  position: absolute;
  left: 257px;
  top: 340.2px;
  font-size: 24px;
  line-height: 34px;
  color: #ffffff;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  white-space: nowrap;
}

/* 主要内容区域移动端响应式 */
@media (max-width: 900px) {
  .hero-background {
    background-size: cover;
    background-position: center top;
    min-height: auto;
  }
  .main-content {
    padding: 20px 16px;
    min-height: 400px;
  }
  
  .title-main {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    left: auto !important;
    top: auto !important;
    font-size: 32px !important;
    line-height: 1.4 !important;
    margin: 40px 0 16px 0 !important;
    padding: 0 16px !important;
    box-sizing: border-box !important;
  }
  
  .subtitle {
    position: static !important;
    left: auto !important;
    top: auto !important;
    font-size: 18px !important;
    line-height: 26px !important;
    margin: 0 0 20px 0 !important;
    padding: 0 16px !important;
    white-space: normal !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .title-icon,
  .title-icon-bg {
    display: none !important;
  }
}

@media (max-width: 600px) {
  .title-main {
    font-size: 24px !important;
    line-height: 1.3 !important;
    margin: 20px 0 12px 0 !important;
    padding: 0 12px !important;
  }
  
  .subtitle {
    font-size: 16px !important;
    line-height: 22px !important;
    margin: 0 0 16px 0 !important;
    padding: 0 12px !important;
  }
}

/* 第二个部分：品牌诠释 */
.brand-section {
  width: 1920px;
  height: 518px;
  max-width: 100%;
  background: #fff;
  box-sizing: border-box;
  padding-top: 0;
  padding-bottom: 80px;
  margin-top: -18px;
  margin-bottom: 0;
  margin-left: auto;
  margin-right: auto;
  border-top: none;
  border-bottom: none;
  position: relative;
}
.brand-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-left: 100px;
  margin-top: 0;
  padding-top: 0;
}
.brand-title-row,
.slogans-container,
.description-container,
.stats-container {
  margin-left: 0 !important;
  width: 100%;
  box-sizing: border-box;
}
.brand-title-row {
  margin-top: 88px;
  margin-bottom: 8px;
}
@media (max-width: 1200px) {
  .brand-title-row { margin-top: 58px; }
}
@media (max-width: 700px) {
  .brand-title-row { margin-top: 48px; }
}
@media (max-width: 1200px) {
  .brand-content { margin-left: 24px; }
}
@media (max-width: 700px) {
  .brand-content { margin-left: 4px; }
}

.brand-interpretation {
  font-size: 28px;
  font-weight: 400;
  color: #000;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
}

.slogans-container {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
  margin-bottom: 24px;
}
@media (max-width: 1200px) {
  .slogans-container {
    margin-top: 12px;
    margin-bottom: 12px;
  }
}
@media (max-width: 700px) {
  .slogans-container {
    margin-top: 6px;
    margin-bottom: 6px;
  }
}

.slogan-item {
  font-size: 24px;
  line-height: 34px;
  color: #000000;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  white-space: nowrap;
}

.slogan-item-bold {
  font-family: 'Alibaba PuHuiTi 3.0-85 Bold', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 700;
  color: #333333;
  font-size: 24px;
  line-height: 34px;
}

.slogan-separator {
  font-size: 24px;
  line-height: 34px;
  color: #000000;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  margin: 0 8px;
}

.description-container {
  font-size: 18px;
  color: #666;
  margin: 10px 0 72px 100px;
}
.stats-container {
  margin-top: 0;
  margin-left: 100px;
  display: flex;
  gap: 42px;
  flex-wrap: wrap;
  padding: 0;
}

/* 更宽的断点，确保统计项在控制台打开时也能压缩 */
@media (max-width: 1700px) {
.stats-container {
    gap: 32px;
    flex-wrap: nowrap;
  }
  .stat-item {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: auto !important;
    height: auto !important;
    flex: 1 1 0;
    min-width: 0;
    max-width: calc(20% - 13px);
  }
  .stat-label {
    font-size: 15px;
  }
  .stat-number {
    font-size: 30px;
  }
  .stat-unit,
  .stat-plus {
    font-size: 15px;
  }
}

@media (max-width: 1500px) {
  .stats-container {
    gap: 24px;
    flex-wrap: nowrap;
  }
  .stat-item {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: auto !important;
    height: auto !important;
    flex: 1 1 0;
    min-width: 0;
    max-width: calc(20% - 10px);
  }
  .stat-label {
    font-size: 14px;
  }
  .stat-number {
    font-size: 28px;
  }
  .stat-unit,
  .stat-plus {
    font-size: 14px;
  }
}

@media (max-width: 1400px) {
  .stats-container {
    gap: 18px;
    flex-wrap: nowrap;
  }
  .stat-item {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: auto !important;
    height: auto !important;
    flex: 1 1 0;
    min-width: 0;
    max-width: calc(20% - 8px);
  }
  .stat-label {
    font-size: 13px;
  }
  .stat-number {
    font-size: 26px;
  }
  .stat-unit,
  .stat-plus {
    font-size: 13px;
  }
}

@media (max-width: 1200px) {
  .brand-section {flex-direction: column;min-height: 380px;}
  .brand-title-row,.slogans-container,.description-container,.stats-container{margin-left: 24px;}
  .description-container{margin-bottom:32px;}
  .stats-container {
    gap: 12px !important;
    flex-wrap: nowrap !important;
    overflow-x: visible;
    width: 100%;
    max-width: 100%;
  }
  .stat-item {
    width: auto !important;
    min-width: 0 !important;
    flex: 1 1 0 !important;
    max-width: calc(20% - 10px);
    white-space: normal;
  }
  .stat-label {
    font-size: 13px !important;
  }
  .stat-number {
    font-size: 26px !important;
  }
  .stat-unit,
  .stat-plus {
    font-size: 13px !important;
  }
}
@media (max-width: 900px) {
  .stats-container {
    gap: 8px !important;
  }
  .stat-item {
    max-width: calc(20% - 7px);
  }
  .stat-label {
    font-size: 12px !important;
  }
  .stat-number {
    font-size: 24px !important;
  }
  .stat-unit,
  .stat-plus {
    font-size: 12px !important;
  }
}

@media (max-width: 700px) {
  .brand-section {
    min-height: 240px;
    padding-bottom: 40px;
  }
  .brand-title-row,
  .slogans-container,
  .description-container,
  .stats-container {
    margin-left: 4px;
  }
  .description-container {
    margin-bottom: 16px;
    font-size: 16px !important;
    line-height: 24px !important;
  }
  .brand-interpretation {
    font-size: 22px !important;
  }
  .slogan-item,
  .slogan-item-bold,
  .slogan-separator {
    font-size: 18px !important;
    line-height: 26px !important;
  }
  .stat-label {
    font-size: 14px !important;
  }
  .stat-number {
    font-size: 24px !important;
  }
  .stat-unit,
  .stat-plus {
    font-size: 16px !important;
    line-height: 40px !important;
  }
  .medal-image {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .brand-section {
    padding-bottom: 30px;
  }
  .brand-content {
    margin-left: 0 !important;
    padding: 0 12px;
  }
  .brand-title-row,
  .slogans-container,
  .description-container,
.stats-container {
    margin-left: 0 !important;
    width: 100% !important;
  }
  .brand-interpretation {
    font-size: 20px !important;
  }
  .slogan-item,
  .slogan-item-bold,
  .slogan-separator {
    font-size: 16px !important;
    line-height: 24px !important;
  }
  .description-container {
    font-size: 14px !important;
    line-height: 22px !important;
  }
  .stats-container {
    gap: 12px !important;
  }
  .stat-item {
    min-width: 0 !important;
    width: calc(50% - 6px) !important;
  }
}

.medal-image {
  position: absolute;
  left: 1400px;
  top: 919px;
  width: 499.9px;
  height: 406.35px;
  object-fit: contain;
  z-index: 10;
  pointer-events: none;
  user-select: none;
}

.stat-item {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  justify-content: center;
}

.patent-stat {
  width: 279.33px;
  height: 94px;
  left: 100px;
  top: 344px;
}

.brand-stat {
  width: 279.33px;
  height: 94px;
  left: 411.33px;
  top: 344px;
}

.software-stat {
  width: 279.33px;
  height: 94px;
  left: 722.66px;
  top: 344px;
}

.credit-stat {
  width: 279.33px;
  height: 94px;
  left: 1033.99px;
  top: 344px;
}

.honor-stat {
  width: 279.33px;
  height: 94px;
  left: 1345.32px;
  top: 344px;
}

.stat-label {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
}

.stat-number {
  font-family: 'OPPOSans-Bold', 'OPPO Sans', sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: #000000;
}

.stat-unit, .stat-plus {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  line-height: 53px;
  vertical-align: top;
  margin-left: 8px;
  letter-spacing: 0;
  display: inline-block;
  text-align: left;
}

/* 第三阶段：产品展示 */
.products-section {
  width: 100%;
  max-width: 1920px;
  position: relative;
  height: auto;
  background-color: transparent;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  margin: 0 auto;
  padding: 0;
}

/* 左侧：GOC产品 */
.product-panel-left {
  position: relative;
  flex: 1 1 33.333%;
  min-width: 280px;
  height: 919px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
}

.product-image-left,
.product-image-center,
.product-image-right {
  width: 100%;
  height: 919px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

/* 产品内容覆盖层 */
.product-content-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  padding: 144px 0 48px 72px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  pointer-events: none;
  box-sizing: border-box;
}

.product-title-block,
.product-desc-block,
.view-more-block,
.product-tags-block {
  pointer-events: auto;
  width: auto;
  max-width: 496px;
}

.product-title-left,
.product-title-right {
  position: relative;
  width: auto;
  height: auto;
  font-family: 'Alibaba PuHuiTi 3.0-65 Medium', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 500;
  color: #FFFFFF;
  font-size: 32px;
  line-height: 45px;
  text-align: left;
  white-space: normal;
  margin: 0 0 16px 0;
  padding: 0;
}

.product-title-right {
  font-family: 'Alibaba PuHuiTi 3.0-75 SemiBold', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 600;
}

.product-description-left,
.product-description-right {
  position: relative;
  width: auto;
  max-width: 496px;
  height: auto;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  line-height: 25px;
  margin: 0 0 43px 0;
  padding: 0;
}

.view-more-left {
  position: relative;
  width: auto;
  height: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.view-more-left span {
  font-family: 'OPPOSans-Medium', 'OPPO Sans', sans-serif;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  line-height: 24px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  cursor: pointer; /* 显示手型光标 */
  transition: color 0.3s ease, text-decoration 0.3s ease; /* 平滑过渡 */
}

.view-more-left:hover span {
  color: #0099ff !important; /* 悬停时变蓝 */
  text-decoration: underline; /* 显示下划线 */
  text-decoration-thickness: 2px; /* 加厚下划线 */
  text-underline-offset: 3px; /* 调整下划线位置 */
}

.view-more-arrow {
  width: 18px;
  height: 18px;
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  padding: 3px;
}

/* 中间：技术展示 */
.product-panel-center {
  position: relative;
  flex: 1 1 33.333%;
  min-width: 280px;
  height: 919px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
}


/* 右侧：医疗解决方案 */
.product-panel-right {
  position: relative;
  flex: 1 1 33.333%;
  min-width: 280px;
  height: 919px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
}




.product-tags-container {
  position: relative;
  width: auto;
  max-width: 496px;
  height: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.product-tag {
  font-family: 'OPPOSans-Medium', 'OPPO Sans', sans-serif;
  font-weight: 500;
  color: #FFFFFF;
  font-size: 14px;
  line-height: 18px;
  padding-bottom: 4px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.9);
  cursor: pointer; /* 显示手型光标 */
  transition: color 0.3s ease, border-bottom-color 0.3s ease; /* 平滑过渡 */
}

.product-tag:hover {
  color: #0099ff !important; /* 悬停时变蓝 */
  border-bottom-color: #0099ff !important; /* 下划线也变蓝 */
}

.product-tag:first-child {
  width: 56px;
  height: 18px;
}

.product-tag:last-child {
  width: 159px;
  height: 18px;
}

/* 第三部分响应式设计 */
@media (max-width: 1200px) {
  .products-section {
    flex-wrap: wrap;
  }
  
  .product-panel-left,
  .product-panel-center,
  .product-panel-right {
    flex: 1 1 50%;
    min-width: 300px;
  }
  
  .product-content-overlay {
    padding: 36px 0 36px 48px;
  }
  
  .product-title-left,
  .product-title-right {
    font-size: 28px;
    line-height: 1.3;
  }
  
  .product-description-left,
  .product-description-right {
    font-size: 16px;
    line-height: 22px;
  }
}

@media (max-width: 900px) {
  .products-section {
    flex-direction: column;
  }
  
  .product-panel-left,
  .product-panel-center,
  .product-panel-right {
    flex: 1 1 100%;
    width: 100%;
    min-width: 100%;
  }
  
  .product-panel-left,
  .product-panel-center,
  .product-panel-right {
    height: auto;
    min-height: 400px;
  }
  
  .product-image-left,
  .product-image-center,
  .product-image-right {
    height: auto;
    min-height: 400px;
    width: 100%;
  }
  
  .product-content-overlay {
    padding: 32px 0 32px 24px;
  }
  
  .product-title-left,
  .product-title-right {
    font-size: 24px;
    line-height: 1.3;
    margin-bottom: 12px;
  }
  
  .product-description-left,
  .product-description-right {
    font-size: 15px;
    line-height: 22px;
    margin-bottom: 24px;
  }
  
  .view-more-left {
    margin-bottom: 0;
  }
  
  .product-tags-container {
    gap: 12px;
  }
  
  .product-tag {
    font-size: 13px;
  }
}

@media (max-width: 600px) {
  .product-panel-left,
  .product-panel-center,
  .product-panel-right {
    height: auto;
    min-height: 300px;
  }
  
  .product-content-overlay {
    padding: 24px 0 24px 16px;
  }
  
  .product-title-left,
  .product-title-right {
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .product-description-left,
  .product-description-right {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 20px;
  }
  
  .product-image-left,
  .product-image-center,
  .product-image-right {
    height: auto;
    min-height: 300px;
  }
}

/* 第四部分：产品展示网格 - 重新设计 */
.products-grid-section {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: 80px 100px 80px 100px;
  background: #ffffff;
  box-sizing: border-box;
}
.grid-header-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 20px;
  margin-bottom: 90px;
}

.grid-header-text {
  flex: 1;
  max-width: calc(100% - 150px);
}

.grid-subtitle {
  position: relative;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 20px;
  line-height: 28px;
  color: #333333;
  margin: 0 0 10px 0;
  padding: 0;
  text-align: left;
  letter-spacing: 0;
}

.grid-title {
  position: relative;
  font-family: 'Alibaba PuHuiTi 3.0-75 SemiBold', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 600;
  font-size: 48px;
  line-height: 67px;
  color: #333333;
  margin: 0;
  padding: 0;
}

.view-more-case-grid {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
  margin-bottom: 0;
  flex-shrink: 0;
}
.products-grid {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 546.67px);
  gap: 115px 40px;
  box-sizing: border-box;
  justify-content: start;
  overflow-x: hidden;
}

.product-card {
  position: relative;
  width: 546.67px;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-card-inner {
  width: 546.67px;
  height: 409px;
  background: #f5f5f5;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px 0 rgba(80,80,80,.09);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}

@media (max-width: 1700px) {
  .products-grid-section {
    padding: 80px 80px;
    overflow-x: hidden;
  }
  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 546.67px));
    gap: 80px 30px;
    justify-content: center;
    width: 100%;
    max-width: 100%;
  }
  .product-card {
    width: 100%;
    max-width: 546.67px;
  }
  .product-card-inner {
    width: 100%;
    max-width: 546.67px;
    aspect-ratio: 546.67 / 409;
    height: auto;
  }
}

@media (max-width: 1500px) {
  .products-grid-section {
    padding: 80px 60px;
    overflow-x: hidden;
  }
  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px 24px;
    justify-content: center;
  }
  .product-card {
    width: 100%;
    max-width: 100%;
  }
  .product-card-inner {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 546.67 / 409;
    height: auto;
  }
}

@media (max-width: 1400px) {
  .products-grid-section {
    padding: 80px 48px;
    overflow-x: hidden;
  }
  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px 20px;
    justify-content: center;
  }
  .product-card {
    width: 100%;
    max-width: 100%;
  }
  .product-card-inner {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 546.67 / 409;
    height: auto;
  }
}

.product-image-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}
.product-image {
  width: 75%;
  height: 75%;
  object-fit: contain;
  aspect-ratio: 16 / 9;
}
.product-label {
  position: relative;
  margin-top: 24px;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
}

.product-brand {
  font-family: 'Alibaba PuHuiTi 3.0-45 Light', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 300;
  color: #3D3D3D;
  font-size: 16px;
  line-height: 22px;
  text-align: left;
}

.product-name {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  color: #333333;
  font-size: 16px;
  line-height: 22px;
  text-align: left;
  margin-top: 4px;
}

/* 第四部分响应式设计 */
@media (max-width: 1200px) {
  .products-grid-section {
    padding: 60px 48px 60px 48px;
  }
  
  .grid-header-wrapper {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 60px;
  }
  
  .view-more-case-grid {
    margin-top: 20px;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  
  .product-card {
    width: 100% !important;
    max-width: 100%;
  }
  
  .product-card-inner {
    width: 100% !important;
    max-width: 100%;
    aspect-ratio: 546.67 / 409;
    height: auto;
  }
  
  .grid-title {
    font-size: 40px;
    line-height: 56px;
  }
}

@media (max-width: 900px) {
  .products-grid-section {
    padding: 48px 32px 48px 32px;
  }
  
  .products-grid {
    gap: 20px;
  }
}

@media (max-width: 700px) {
  .products-grid-section {
    padding: 48px 24px 48px 24px;
  }
  
  .grid-subtitle {
    font-size: 18px;
    line-height: 26px;
    margin-bottom: 8px;
  }
  
  .grid-header-wrapper {
    margin-bottom: 24px;
  }
  
  .grid-title {
    font-size: 28px;
    line-height: 40px;
    margin-bottom: 0;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .product-card {
    width: 100% !important;
    max-width: 100%;
    min-height: 240px;
  }
  
  .product-card-inner {
    width: 100% !important;
    max-width: 100%;
  }
  
  .product-brand,
.product-name {
    font-size: 14px;
    line-height: 20px;
  }
  
  .product-label {
    bottom: 16px;
    left: 16px;
  }
}

/* 第五部分：案例展示 */
.case-section {
  position: relative;
  width: 100%;
  max-width: 1920px;
  min-height: 750px;
  margin: 0 auto;
  padding: 80px 103px;
  background-color: #FFFFFF;
  box-sizing: border-box;
  overflow-x: hidden;
}

.case-title-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-bottom: 40px;
  box-sizing: border-box;
}

.case-title {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0;
  padding: 0;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  text-align: left;
  font-size: 48px;
  line-height: 67px;
  color: #333333;
}

.case-title-regular {
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
}

.case-title-semibold {
  font-family: 'Alibaba PuHuiTi 3.0-75 SemiBold', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 600;
}

.case-subtitle {
  position: relative;
  width: 100%;
  max-width: 815px;
  margin: 0 0 16px 0;
  padding: 0;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  text-align: left;
  font-size: 32px;
  line-height: 45px;
  color: #333333;
}

.case-description {
  position: relative;
  width: 100%;
  max-width: 839px;
  margin: 0 0 40px 0;
  padding: 0;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  text-align: left;
  font-size: 24px;
  line-height: 40px;
  letter-spacing: 0;
  color: #999999;
}

.view-more-case {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}

.view-more-case-1 {
  position: absolute;
  top: 80px;
  right: -30px;
  width: 114px;
  height: 20px;
}

.view-more-case-2 {
  position: relative;
  width: 114px;
  height: 20px;
  margin-top: 40px;
}

.view-more-case span {
  font-family: 'OPPOSans-Medium', 'OPPO Sans', sans-serif;
  font-weight: 500;
  text-align: left;
  font-size: 14px;
  line-height: 18px;
  color: #333333;
  width: 84px;
  height: 18px;
  display: inline-block;
  cursor: pointer; /* 显示手型光标 */
  transition: color 0.3s ease, text-decoration 0.3s ease; /* 平滑过渡 */
}

.view-more-case:hover span {
  color: #0099ff !important; /* 悬停时变蓝 */
  text-decoration: underline; /* 显示下划线 */
  text-decoration-thickness: 2px; /* 加厚下划线 */
  text-underline-offset: 3px; /* 调整下划线位置 */
}

.view-more-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.case-image {
  position: absolute;
  left: 1058px;
  bottom: 80px;
  width: 765px;
  height: auto;
  object-fit: contain;
  z-index: 1;
}

.case-content-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.case-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 765px;
  margin: 40px 0;
}

/* 第五部分响应式设计 */
/* 更宽的断点，确保在控制台打开时图片也能换行到文字下方 */
@media (max-width: 1700px) {
  .case-section {
    padding: 80px 80px;
    overflow-x: hidden;
  }
  
  .case-image {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 40px 0 0 0;
  }
  
  .view-more-case-1 {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    margin-bottom: 20px;
    width: auto;
  }
}

@media (max-width: 1500px) {
  .case-section {
    padding: 80px 60px;
    overflow-x: hidden;
  }
  
  .case-image {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 40px 0 0 0;
  }
  
  .view-more-case-1 {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    margin-bottom: 20px;
    width: auto;
  }
}

@media (max-width: 1400px) {
  .case-section {
    padding: 80px 48px;
    overflow-x: hidden;
  }
  
  .case-title {
    font-size: 42px;
    line-height: 58px;
  }
  
  .case-subtitle {
    font-size: 30px;
    line-height: 42px;
  }
  
  .case-description {
    font-size: 22px;
    line-height: 36px;
  }
  
  .case-image {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 40px 0 0 0;
  }
  
  .view-more-case-1 {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    margin-bottom: 20px;
    width: auto;
  }
}

@media (max-width: 1200px) {
  .case-section {
    padding: 60px 48px;
    overflow-x: hidden;
  }
  
  .case-title {
    font-size: 40px;
    line-height: 56px;
  }
  
  .case-subtitle {
    font-size: 28px;
    line-height: 40px;
  }
  
  .case-description {
    font-size: 20px;
    line-height: 34px;
  }
  
  .case-title-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px;
  }
  
  .view-more-case-1 {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    margin-bottom: 20px;
    width: auto;
  }
  
  .case-image {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 40px 0;
  }
}

@media (max-width: 900px) {
  .case-section {
    padding: 48px 24px;
    overflow-x: hidden;
  }
  
  .case-title {
    font-size: 32px;
    line-height: 44px;
    margin-bottom: 24px;
  }
  
  .case-subtitle {
    font-size: 24px;
    line-height: 34px;
    margin-bottom: 12px;
  }
  
  .case-description {
    font-size: 18px;
    line-height: 28px;
    margin-bottom: 24px;
  }
  
  .case-image {
    max-width: 100% !important;
    margin: 30px 0;
  }
}

@media (max-width: 600px) {
  .case-section {
    padding: 40px 16px;
    min-height: auto;
    overflow-x: hidden;
  }
  
  .case-title {
    font-size: 24px;
    line-height: 34px;
    margin-bottom: 20px;
    max-width: 100%;
  }
  
  .case-subtitle {
    font-size: 20px;
    line-height: 28px;
    margin-bottom: 10px;
    max-width: 100%;
  }
  
  .case-description {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 20px;
    max-width: 100%;
  }
  
  .view-more-case {
    margin-bottom: 20px;
  }
  
  .view-more-case-1 {
    position: relative !important;
    top: auto !important;
    right: auto !important;
  }
  
  .case-image {
    position: relative !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 20px 0;
  }
}

/* 第六部分：页脚 */
.footer-section {
  position: relative;
  width: 100%;
  max-width: 1920px;
  min-height: 248.44px;
  margin: 0 auto;
  padding: 48px 99px;
  background-color: #1C1C1C;
  box-sizing: border-box;
}

.footer-nav-container {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  position: relative;
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-nav {
  position: relative;
  display: flex;
  gap: 64px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav-item {
  position: relative;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 25px;
  color: #777777;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  letter-spacing: 0;
  text-decoration: none; /* 移除链接默认下划线 */
  display: inline-block; /* 确保链接表现为块级元素 */
}

.footer-nav-item:hover {
  font-weight: 700;
  color: #ffffff;
  transition: font-weight 0.3s ease, color 0.3s ease;
}

.footer-nav-item-bold {
  font-family: 'Alibaba PuHuiTi 3.0-85 Bold', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 25px;
  color: #777777;
  text-align: center;
  letter-spacing: 0;
}

.footer-contact-container {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-contact-info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-item {
  position: relative;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  color: #999999;
  text-align: left;
  white-space: nowrap;
  text-decoration: none; /* 如果是链接，移除下划线 */
  display: inline-block; /* 确保链接可以点击 */
  cursor: pointer; /* 显示手型光标 */
  transition: color 0.3s ease; /* 平滑过渡 */
}


/* 总机样式 - 确保字体大小与邮箱一致 */
.contact-item.contact-phone {
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
}

/* 邮箱按钮样式 */
.contact-item.contact-email {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-size: 14px; /* 确保与总机字体大小一致 */
  font-weight: 400;
  line-height: 20px;
}


.footer-wechat-container {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

.wechat-qrcode {
  position: relative;
  width: 88px;
  height: 88px;
  object-fit: contain;
  flex-shrink: 0;
}

.wechat-text {
  position: relative;
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular', 'Alibaba PuHuiTi', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  color: #999999;
  text-align: left;
  max-width: 174px;
  white-space: normal;
}

/* 第六部分响应式设计 */
@media (max-width: 1200px) {
  .footer-section {
    padding: 40px 48px;
  }
  
  .footer-nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  
  .footer-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 48px;
  }
  
  .footer-contact-container {
    flex-direction: column;
    gap: 30px;
  }
}

@media (max-width: 900px) {
  .footer-section {
    padding: 32px 24px;
  }
  
  .footer-logo {
    height: 40px;
  }
  
  .footer-nav-item {
    font-size: 16px;
  }
  
  .footer-wechat-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .wechat-text {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .footer-section {
    padding: 24px 16px;
  }
  
  .footer-logo {
    height: 35px;
  }
  
  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  
  .footer-nav-item {
    font-size: 14px;
  }
  
  .contact-item {
    font-size: 12px;
    line-height: 18px;
  }
  
  .wechat-qrcode {
    width: 70px;
  }
}


.brand-section,
.brand-content,
.brand-title-row,
.slogans-container,
.description-container,
.stats-container,
.stat-item {
  position: static !important;
  float: none !important;
  z-index: auto !important;
  top: auto !important;
  left: auto !important;
}
.brand-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.description-container {
  margin-bottom: 72px !important;
}
.stats-container {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 14px;
  padding: 0;
}

/* 复制提示Toast样式 */
.copy-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: linear-gradient(135deg, #0056A2 0%, #0078d4 100%);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  font-family: 'Alibaba PuHuiTi 3.0-55 Regular L3', 'Alibaba PuHuiTi', sans-serif;
  font-size: 14px;
  font-weight: 400;
  z-index: 10002;
  opacity: 0;
  transition: all 0.3s ease;
  white-space: nowrap;
  pointer-events: none;
}

.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.copy-toast.error {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.copy-toast::before {
  content: '✓';
  display: inline-block;
  margin-right: 8px;
  font-size: 16px;
  font-weight: bold;
}

.copy-toast.error::before {
  content: '✕';
}