/* 响应式 REM 根字体设置 */
html {
  /* 1920设计稿基准: 100vw / 19.2 = 100px (1rem = 100px) */
  font-size: calc(100vw / 19.2);
}

@font-face {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4";
  src:
    url("https://lzcdn.dianpusoft.cn/fonts/PangMenZhengDao/PangMenZhengDao.woff")
      format("woff"),
    url("https://lzcdn.dianpusoft.cn/fonts/PangMenZhengDao/PangMenZhengDao.ttf")
      format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* 庞门正道标题体：全站统一字间距 */
[style*="PangMenZhengDaoBiaoTiTiMianFeiBan-4"],
:is(
  .hero-title,
  .hero-title span,
  .brand-name,
  .video-content .section-title,
  .about-header h2,
  .industries-bg-text,
  .industry-title,
  .mobile-desc .brand-name,
  body.lang-en .mobile-title-text,
  .footer-company,
  .endorsement-col1 h2,
  .endorsement-col2 p,
  .feature-num,
  .feature-word,
  .feature-title,
  .team-section h2,
  .sustainability-header h2,
  .item-content h3,
  .tech-title,
  .machining-title,
  .machine-name-blue,
  .machine-name-black,
  .overview-title-bg,
  .overview-title,
  .specs-title,
  .section-title,
  .policy-title,
  .intro-left h2,
  .location-text h3,
  .form-header h2,
  .product-optional-page .hero-title,
  .article-title
) {
  letter-spacing: 0.03em;
}

@media (min-width: 1920px) {
  html {
    font-size: 100px; /* 限制最大缩放，防止在大屏上无限放大 */
  }
}

@media (max-width: 768px) {
  html {
    /* 移动端768基准: 100vw / 7.68 = 100px */
    font-size: calc(100vw / 7.68);
  }
}

@media (min-width: 375px) and (max-width: 414px) {
  html {
    /* 375–414 主流机型 rem 略放大（约 +10%） */
    font-size: calc(100vw / 7);
  }
}

/* 基础重置与变量 */
:root {
  --primary-bg: #ffffff;
  --secondary-bg: #f8f9fa;
  --text-primary: #000000;
  --text-secondary: #505050;
  --accent-color: #0037c3;
  --border-color: #e0e0e0;
  --font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

html.csisp-i18n-pending body {
  opacity: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* 头部导航 */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.8rem;
  background-color: #ffffff;
  z-index: -1;
}

.header-container {
  max-width: 19.2rem;
  height: 0.8rem;
  margin: 0 auto;
  padding: 0 0.24rem; /* 根据Figma中logo的x坐标0.24rem调整 */
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  height: 100%; /* 继承 header-container 的高度 */
}

.logo img {
  height: 0.48rem;
  width: auto;
  display: block; /* 移除底部可能存在的间隙 */
}

.nav-desktop {
  margin-left: auto;
  margin-right: 0.48rem; /* 根据Figma中导航与右侧按钮的间距调整 */
}

.nav-desktop .nav-list {
  display: flex;
  gap: 0.48rem; /* Figma中的gap为0.48rem */
  align-items: center;
}

.nav-list li {
  position: relative;
}

.nav-list li a {
  display: flex;
  align-items: center;
  gap: 0.04rem;
  font-size: 0.2rem;
  font-weight: 700;
  color: #000000;
  transition: color 0.3s;
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--accent-color);
}

.icon-down {
  width: 0.16rem;
  height: 0.16rem;
  transition: transform 0.3s;
}

.has-dropdown.active .icon-down {
  transform: rotate(180deg);
}

/* 下拉菜单基础样式 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  border-radius: 0.24rem;
  box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  overflow: hidden;
  padding: 0;
  margin-top: 0.1rem;
}

.nav-desktop .has-dropdown > .dropdown-menu:not(.lang-dropdown),
.nav-desktop .product-dropdown {
  display: flex;
  flex-direction: column;
}

.nav-desktop .has-dropdown > .dropdown-menu:not(.lang-dropdown) .dropdown-header,
.nav-desktop .product-dropdown .dropdown-header {
  order: 100;
  border-radius: 0;
}

.nav-desktop .has-dropdown > .dropdown-menu:not(.lang-dropdown) .dropdown-header:last-child,
.nav-desktop .product-dropdown .dropdown-header:last-child {
  border-bottom: none;
  border-radius: 0 0 0.24rem 0.24rem;
}

/* 增加隐形的桥接区域，防止鼠标移出导航文字时菜单立即消失 */
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -0.2rem;
  left: 0;
  width: 100%;
  height: 0.2rem;
  background: transparent;
}

/* 改为 hover 触发下拉菜单 */
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  margin-top: 0;
}

/* 当下拉菜单出现时，箭头旋转 */
.has-dropdown:hover .icon-down {
  transform: rotate(180deg);
}

.has-dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  margin-top: 0;
}

.dropdown-item {
  display: block;
  padding: 0.24rem;
  font-size: 0.2rem;
  font-weight: 700;
  color: #000000;
  text-decoration: none;
  transition: all 0.3s;
  white-space: nowrap;

  border-bottom: 1px solid #ececec;
  text-align: left; /* 强制左对齐，修复可能受继承影响的居中问题 */
  box-sizing: border-box; /* 确保 padding 包含在宽度内 */
}

.dropdown-item:last-child {
  border-bottom: none;
  border-radius: 0 0 0.24rem 0.24rem; /* 底部圆角 */
}

.dropdown-item:hover {
  background: #0037c3;
  color: #ffffff !important;
}

.dropdown-header {
  font-size: 0.2rem; /* 调整为 20px */
  font-weight: bold;
  color: #000000 !important;
  background: transparent;
  padding: 0.24rem;
  border-radius: 0.24rem 0.24rem 0 0;
  display: block;
  text-decoration: none;
  transition: all 0.3s;
  border-bottom: 1px solid #ececec;
  text-align: left;
}

.dropdown-header:hover {
  background: #0037c3;
  color: #ffffff !important;
}

.dropdown-header:hover span {
  color: #ffffff;
}

/* 产品中心下拉菜单特殊宽度 */
.product-dropdown {
  width: 4.69rem;
  left: 50%;
  top: 0.5rem;
  transform: translateX(-50%);
}

/* 语言切换下拉菜单 */
.lang-selector {
  position: relative;
}

.lang-dropdown {
  width: 1.17rem;
  left: 50%;
  transform: translateX(-50%);
  top: calc(100% + 0.05rem);
}

.lang-dropdown .dropdown-item {
  text-align: center;
  padding: 0.16rem;
  border-radius: 0.24rem; /* 配合外层圆角 */
}

.lang-dropdown .dropdown-item.active {
  background: #0037c3;
  color: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.2rem; /* 两个按钮之间的间距 */
  margin-right: 0.24rem;
}

.contact-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.1rem;
  background: var(--accent-color);
  padding: 0.16rem 0.24rem;
  border-radius: 0.24rem;
  font-size: 0.16rem;
  font-weight: 700;
  color: #ffffff;
  transition: opacity 0.3s;
}

.contact-btn:hover {
  opacity: 0.9;
}

.icon-mail {
  width: 0.16rem;
  height: 0.16rem;
  filter: brightness(0) invert(1);
}

.lang-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 0.48rem;
  height: 0.48rem;
  background: var(--accent-color);
  border-radius: 0.24rem;
  transition: opacity 0.3s;
}

.lang-btn:hover {
  opacity: 0.9;
}

.lang-btn img {
  width: 0.32rem;
  height: 0.32rem;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger-btn img {
  width: 0.32rem;
  height: 0.32rem;
}

/* 移动端菜单 */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-menu {
  display: block;
  position: fixed;
  top: 0.8rem; /* 从 header 底部开始 */
  right: -100%; /* 默认隐藏在右侧 */
  width: 80%; /* 抽屉宽度 */
  max-width: 320px;
  height: calc(100vh - 0.8rem); /* 减去 header 高度 */
  background: #ffffff;
  z-index: 999;
  border-radius: 16px 0 0 16px;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

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

.mobile-menu-content {
  position: relative;
  width: 100%;
  min-height: 100%;
  transition: transform 0.3s ease;
}

.mobile-menu-content.show-submenu {
  transform: translateX(-100%);
}

.mobile-menu-main {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100%;
}

#main-mobile-nav {
  flex: 1;
  min-height: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  width: 100%;
  flex-shrink: 0;
  padding: 0;
}

.mobile-nav-list.submenu {
  position: absolute;
  top: 0;
  left: 100%;
  height: 100%;
  background: #ffffff;
}

.mobile-nav-list li {
  width: 100%;
  border-bottom: 1px solid #ececec;
}

.mobile-nav-list li:last-child {
  border-bottom: none;
}

.mobile-nav-list li a {
  font-size: 16px;
  font-weight: 700;
  color: #000000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
}

.mobile-nav-list li a.active {
  color: var(--accent-color);
}

.icon-right {
  width: 16px;
  height: 16px;
  transform: rotate(-90deg); /* 箭头朝右 */
}

.icon-back {
  width: 16px;
  height: 16px;
  transform: rotate(90deg); /* 箭头朝左 */
}

.submenu-back {
  justify-content: flex-start !important;
  gap: 8px;
}

/* 一级导航底部「联系我们」（Figma Frame 10） */
.mobile-contact-btn,
.mobile-menu-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  box-sizing: border-box;
  background: #0037c3;
  color: #ffffff;
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  flex-shrink: 0;
  border-radius: 0 0 0 16px;
  border: none;
}

.mobile-contact-btn .icon-mail,
.mobile-menu-footer .icon-mail {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
}

.submenu-header {
  font-size: 14px;
  font-weight: 700;
  color: #000000;
}

/* ---------------- Hero区域 ---------------- */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 101%;
  z-index: 1;
}
.hero-bg2::after{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right,rgba(0,0,0,0.7),rgba(0,0,0,0));
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.bg-graphic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom center;
}

.hero-bottom-curve {
  position: absolute;
  bottom: -1px;
  left: 0;
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center bottom;
  z-index: 2;
  pointer-events: none;
}

.hero-bottom-curve img {
  display: block;
  width: 100%;
  height: auto;
}

.mobile-bg,
.mobile-title,
.mobile-desc {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  max-width: 19.2rem;
  margin: 0 auto;
  padding: 0 2.04rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-title-container {
  position: relative;
  margin-bottom: 0.24rem;
  align-self: flex-start;
}

.hero-title-bg {
  position: absolute;
  left: 0.12rem;
  top: 0.29rem;
  width: 5.04rem;
  height: 1.25rem;
  background: #0037c3;
  z-index: -1;
}

.hero-title {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.64rem;
  font-weight: 400;
  line-height: 1.2;
  color: #ffffff;
  margin: 0;
}

.hero-desc-wrapper {
  position: relative;
  max-width: 9.29rem;
  align-self: flex-start;
}

.hero-desc-decor {
  position: absolute;
  left: 0;
  top: 0;
  width: 0.86rem;
  height: 0.39rem;
  background: #0037c3;
  z-index: -1;
}

.hero-desc {
  font-size: 0.24rem;
  line-height: 1.8;
  color: #ffffff;
  margin: 0;
  padding-left: 0.15rem; /* 为装饰色块留出偏移 */
}

.brand-name {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.24rem;
  font-weight: 400;
}

/* ----------------------------------
   视频区域 (Video Section)
------------------------------------- */
.video-section {
  position: relative;
  background-color: transparent; /* 移到父容器 */
  padding: 1.2rem 0 1rem 0;
  /* overflow: hidden; 移除，防止圆被截断 */
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-section[hidden] {
  display: none !important;
}

.video-section .bg-circle {
  position: absolute;
  width: 6.4rem;
  height: 6.4rem;
  background-color: #2b67ff; /* Figma中圆圈的颜色值 */
  border-radius: 50%;
  opacity: 0.1; /* Figma中透明度10% */
  z-index: 1;
}

.video-section .bg-circle.top-right {
  top: 0;
  right: -1.6rem; /* 根据设计稿位置推算 */
}

.video-section .bg-circle.bottom-left {
  bottom: -1.6rem;
  left: 0;
}

.video-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 2.04rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.video-content .section-title {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.64rem;
  font-weight: normal; /* 强制取消浏览器可能自带的 h2 加粗 */
  color: #000000;
  margin-bottom: 0.64rem;
  text-align: center;
}

.video-container {
  position: relative;
  width: 100%;
  height: 8.28rem;
  border-radius: 0.48rem;
  overflow: visible;
  z-index: 2;
}

.video-container .video-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.48rem;
  display: block;
  position: relative;
  z-index: 2;
}

.video-container .video-player {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.48rem;
  display: none;
  z-index: 5;
  background: #000;
}

/* 播放状态 */
.video-container.playing .video-cover,
.video-container.playing .play-btn {
  display: none;
}

.video-container.playing .video-player {
  display: block;
}

.video-decor {
  position: absolute;
  width: 4.02rem;
  height: 4.02rem;
  z-index: -1; /* 放在视频下方 */
}

.video-decor.decor-tl {
  top: -0.2rem;
  left: -0.2rem;
}

.video-decor.decor-br {
  bottom: -0.2rem;
  right: -0.2rem;
}

.video-container .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0.8rem;
  height: 0.8rem;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px); /* 毛玻璃效果适配 */
  -webkit-backdrop-filter: blur(18px);
  border: none;
  border-radius: 0.12rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.video-container .play-btn:hover {
  background: rgba(0, 0, 0, 0.4);
  transform: translate(-50%, -50%) scale(1.05);
}

.video-container .play-btn svg {
  width: 0.28rem;
  height: 0.32rem;
  margin-left: 0.04rem; /* 播放三角视觉居中修正 */
}

/* ----------------------------------
   关于我们区域 (About Section)
------------------------------------- */
.about-section {
  position: relative;
  z-index: 2; /* 确保内容在视频背景圆圈上方 */
  background-color: transparent; /* 移到父容器 */
  padding: 1.2rem 0 2rem 0; /* 调整顶部 padding */
  display: flex;
  justify-content: center;
  /* overflow: hidden; 移除，防止影响其他绝对定位元素 */
}

.about-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2.04rem;
  gap: 0.6rem;
}

/* 左侧文本内容 */
.about-content-left {
  flex: 1;
  max-width: 6.8rem;
}

.about-header h2 {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.48rem;
  font-weight: normal;
  color: #000000;
  line-height: 1.4;
  margin-bottom: 0.36rem;
}

.about-header h2 span {
  color: #0037c3;
}

.about-body p {
  font-size: 0.18rem;
  color: #505050;
  line-height: 1.6;
  margin-bottom: 0.24rem;
  text-align: left; 
}

.about-body p:last-of-type {
  margin-bottom: 0;
}

.learn-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.08rem;
  padding: 0.16rem 0.24rem;
  border: 0.04rem solid #0037c3;
  border-radius: 0.24rem;
  background-color: transparent;
  color: #000000;
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 0.2rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 0.36rem; /* 距离文字底部 36px */
}

.learn-more-btn:hover {
  background-color: #0037c3;
  color: #ffffff;
}

.learn-more-btn img {
  width: 0.16rem;
  height: 0.16rem;
  transition: filter 0.3s ease;
}

.learn-more-btn:hover img {
  filter: brightness(0) invert(1);
}

/* 右侧图片内容 */
.about-image-right {
  flex: 1;
  max-width: 9.45rem;
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.about-image-right .about-graphic {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.mobile-img {
  display: none;
}

/* ----------------------------------
   行业服务区域 (Industries Section)
------------------------------------- */
.industries-section {
  position: relative;
  width: 100%;
  height: 12rem; /* 1047px */
  background-color: transparent; /* 移除白色背景，使其继承上一级的背景或者透明 */
  /* overflow: hidden; 移除这个属性以允许圆圈溢出 */
}

.industries-bg-text {
  position: absolute;
  top: 0;
  left: 0;
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 1.6rem; /* 160px */
  color: #ececec; /* 浅灰色背景字 */
  line-height: 1;
  white-space: nowrap;
  z-index: 1;
}

body.lang-en .industries-bg-text {
  font-size: 1.2rem; /* 英文较长，字号缩小一点 */
  top: 0.2rem;
  font-weight: bold;
  font-family: Arial, sans-serif;
}

.industries-tabs-container {
  position: absolute;
  top: 2.32rem; /* 232px */
  left: 0;
  width: 100%;
  padding: 0 2.04rem;
  z-index: 3;
}

.tabs-scroll-wrapper {
  display: flex;
  align-items: center;
  width: 100%;
}

.scroll-btn {
  display: none; /* PC端隐藏 */
}

.industries-tabs {
  display: flex;
  justify-content: space-between; /* 平分空间 */
  position: relative;
  gap: 0.16rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.industries-tabs .tab-btn {
  background: transparent;
  border: 4px solid #ececec;
  padding: 0.24rem; /* 24px */
  border-radius: 0.48rem; /* 48px */
  color: #5d5d5d; /* 恢复为深灰色 */
  font-size: 0.24rem; /* 24px */
  font-weight: normal;
  cursor: pointer;
  transition: all 0.3s;
  line-height: 1.6;
  white-space: nowrap; /* 强制不换行 */
}

.industries-tabs .tab-btn.active {
  border-color: #0037c3;
  background-color: #0037c3;
  color: #ffffff;
  font-weight: bold;
}

.tabs-line {
  position: relative;
  margin-top: 0.24rem;
  width: 100%;
  height: 4px;
  background-color: #ececec;
}

.tabs-indicator {
  position: absolute;
  top: -4px; /* to overlap the line */
  left: 0; /* JS controls this */
  width: 2.64rem; /* initial width approx */
  height: 8px;
  background-color: #0037c3;
  border-radius: 12px 12px 0 0;
  transition: all 0.3s;
}

.industries-content-container {
  position: absolute;
  top: 4.14rem; /* 414px */
  left: 0;
  width: 100%;
  padding: 0 2.04rem;
  z-index: 3;
  display: flex;
}

.industry-text {
  width: 7.16rem; /* 616px */
  position: relative;
  z-index: 10; /* Ensure text is above the background circle */
}

.industry-title {
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-weight: normal; /* 明确指定为 normal，避免浏览器默认给 h3 加粗 */
  font-size: 0.64rem; /* 64px */
  color: #000000; /* 恢复为黑色 */
  line-height: 1.2; /* 修复行间距，约等于 100% + 14px paragraph spacing */
  margin-bottom: 0.72rem; /* 628 - 414 - 142 = 72px */
}

body.lang-en .industry-title {
  font-family: Arial, sans-serif;
  font-weight: bold;
}

.industry-details {
  display: flex;
  flex-direction: column;
  gap: 0.36rem; /* 36px */
}

.detail-block h4 {
  font-size: 0.29rem; /* 24px */
  font-weight: bold;
  color: #000000; /* 恢复为黑色 */
  margin-bottom: 0.08rem;
}

.detail-block p {
  font-size: 0.16rem; /* 16px */
  color: #505050; /* 恢复为深灰色 */
  line-height: 1.6;
}

.view-models-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.08rem;
  padding: 0.16rem 0.24rem; /* 16px 24px */
  border: 0.04rem solid #0037c3;
  border-radius: 0.24rem; /* 24px */
  color: #000000; /* 恢复为黑色 */
  font-size: 16px; /* 20px */
  font-weight: bold;
  line-height: 1; /* 修复按钮高度过大的问题 */
  margin-top: 0.36rem;
  text-decoration: none;
  background: transparent;
  transition: all 0.3s;
}

.view-models-btn:hover {
  background: #0037c3;
  color: #ffffff;
}

.view-models-btn img {
  width: 0.16rem;
  height: 0.16rem;
  transition: filter 0.3s ease;
}

.view-models-btn:hover img {
  filter: brightness(0) invert(1);
}

.industry-bg-circle {
  position: absolute;
  top: -0.48rem; /* 414 - 366 = 48px offset above container's top (which is at 414) */
  right: 2.56rem; /* 保持与图片的相对位置 */
  width: 6.81rem;
  height: 6.81rem;
  background-color: #ececec;
  border-radius: 50%;
}

.industry-image-wrapper {
  position: static; /* 容器默认 static，内部元素绝对定位相对于 industries-content-container */
}

.industry-image {
  position: absolute;
  top: 0; /* Align with container top */
  right: -2.04rem; /* 贴紧屏幕右侧 */
  width: 10.12rem; /* 1012px */
  height: 5.69rem; /* 569px */
  object-fit: cover;
  border-radius: 1rem 0 0 0.48rem; /* 100px 0 0 48px */
  z-index: 2;
}

/* 响应式布局 */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 0.48rem;
  }

  .title-bg {
    width: 100%;
    height: 1rem;
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

.mobile-icon {
  display: none;
}

@media (max-width: 768px) {
  .header-bg {
    height: 56px;
  }

  .header-container {
    height: 56px;
    padding: 0 16px;
  }

  /* 移动端 Hero 区域 */
  .pc-bg,
  .pc-title,
  .pc-desc {
    display: none !important;
  }

  .mobile-bg,
  .mobile-title,
  .mobile-desc {
    display: block !important;
    margin-left: 0;
  }

  .mobile-title .hero-title span[style*="translateY(-40%)"] {
    height: 0.6em !important;
  }

  .hero-bottom-curve {
    height: auto;
  }

  .hero-content {
    justify-content: center;
    padding-top: 0;
    padding-left: 16px;
    padding-right: 16px;
  }

  .mobile-title-img {
    width: 2.91rem; /* 对应 291px */
    height: 0.56rem; /* 对应 56px */
    display: block;
    margin-bottom: 0.16rem;
  }

  .mobile-desc {
  }

  .mobile-desc .hero-desc {
    font-family: "HarmonyOS Sans SC", sans-serif;
    font-size: .28rem;
    line-height: 1.6;

    padding-left: 0;
  }

  .mobile-desc .brand-name {
    font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
    font-size: .28rem; /* 移动端 Csisp 字体和正文一样大，只是字体不同 */
    font-weight: 400;
  }

  .nav-desktop,
  .contact-btn {
    display: none;
  }

  .header-actions {
    margin-right: 0;
    gap: 12px;
  }

  .hamburger-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: .64rem;
    height: .64rem;
    background: #ececec; /* 恢复浅灰背景 */
    border-radius: 8px; /* 根据截图添加圆角 */
    order: -1;
  }

  .hamburger-btn img {
    width: .32rem;
    height: .32rem;
  }

  .lang-btn {
    background: #ececec; /* 恢复浅灰背景 */
    border-radius: 50%; /* 圆形背景 */
    display: flex;
    justify-content: center;
    align-items: center;
    width: .64rem;
    height: .64rem;
  }

  .lang-btn img {
    width: .32rem;
    height: .32rem;
  }

  .pc-icon {
    display: none;
  }

  .mobile-icon {
    display: block;
    width: 16px;
    height: 16px;
  }

  .lang-dropdown {
    right: 0;
    left: auto;
    transform: none;
  }

  .mobile-menu {
    top: 56px;
    height: calc(100vh - 56px);
  }

  .hero-section {
    height: 43vh;
    padding-top: 0;
  }

  .hero-title {
    font-size: 36px;
  }

  .title-bg {
    top: 0.15rem;
    height: 0.8rem;
  }

  .about-section {
    padding: 2rem 16px 2rem;
  }

  .about-container {
    flex-direction: column;
    gap: 0.36rem; /* 设计稿移动端间距 36px */
    padding: 0;
  }

  .about-image-right {
    order: -1; /* 将图片调整到上方 */
    max-width: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .pc-img {
    display: none !important;
  }

  .mobile-img {
    display: block !important;
  }

  .about-content-left {
    max-width: 100%;
    width: 100%;
  }

  .about-header h2 {
    font-size: .48rem; /* 24px */
    line-height: 1.4;
    margin-bottom: 0.24rem;
  }

  .about-body p {
    font-size: .28rem; /* 14px */
    line-height: 1.6;
    margin-bottom: 0.14rem; /* paragraphSpacing 14px */
  }

  .learn-more-btn {
    margin-top: 0.36rem; /* 距离文字底部 36px */
    padding: 0.16rem 0.24rem; /* 16px 24px */
    border-radius: 0.24rem;
    color: #000000; /* 恢复为黑色 */
  }

  .learn-more-btn span {
    font-size: 16px; /* 16px */
  }

  .industries-section {
    height: auto;
    padding: 0.8rem 0;
    background-color: transparent; /* 移动端背景透明，继承外层 */
  }

  .industries-bg-text {
    font-size: 48px;
    top: 0;
    left: 16px;
  }

  .industries-tabs-container {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    margin-top: 0.32rem;
    padding: 0; /* 移除左右 padding，让滑动区域贴边 */
  }

  .tabs-scroll-wrapper {
    position: relative;
    padding: 0; /* 移除 padding，让 tab 可以滚动到边缘 */
    width: 100%;
    overflow: hidden; /* 确保不溢出 */
  }

  .scroll-btn {
    display: flex;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0.6rem; /* 继续放大箭头按钮，更贴近设计稿比例 */
    height: 0.6rem;
    background: rgba(
      245,
      248,
      255,
      0.95
    ); /* 使用半透明极浅蓝背景，模糊效果更自然 */
    backdrop-filter: blur(4px); /* 添加一点毛玻璃效果 */
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.05); /* 极弱的边框 */
    justify-content: center;
    align-items: center;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); /* 加深一点阴影增加层级感 */
  }

  .scroll-btn img {
    width: 0.28rem; /* 箭头图标也相应放大 */
    height: 0.28rem;
  }

  .scroll-btn.left {
    left: -0.1rem; /* 稍微靠左，制造出半嵌入的悬浮感 */
  }

  .scroll-btn.right {
    right: -0.1rem; /* 稍微靠右，制造出半嵌入的悬浮感 */
  }

  .industries-tabs {
    flex-wrap: nowrap;
    gap: 0.16rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 0.8rem; /* 增加左右内边距，让滚动区域更开阔 */
    mask-image: linear-gradient(
      to right,
      transparent,
      black 15%,
      black 85%,
      transparent
    ); /* 添加两端渐变遮罩，让文字穿透时有渐隐效果 */
    -webkit-mask-image: linear-gradient(
      to right,
      transparent,
      black 15%,
      black 85%,
      transparent
    );
  }

  .industries-tabs::-webkit-scrollbar {
    display: none; /* 隐藏滚动条 (Chrome/Safari) */
  }

  .industries-tabs .tab-btn {
    font-size: 14px;
    padding: 0.12rem 0.24rem;
    border-width: 2px;
    white-space: nowrap; /* 移动端防止文字换行 */
    color: #5d5d5d; /* 恢复为深灰色 */
  }

  .industries-tabs .tab-btn.active {
    color: #ffffff;
  }

  .tabs-line {
    display: block; /* 移动端恢复显示底部的长横线 */
    margin-top: 0.16rem;
    height: 2px; /* 移动端长横线变细 */
  }

  .tabs-indicator {
    height: 4px; /* 移动端指示器变细 */
    top: -1px; /* 调整指示器相对横线的位置 */
  }

  .industries-content-container {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    margin-top: 0.8rem; /* 增加与上方 Tabs 的间距 */
    flex-direction: column;
    padding: 0 16px;
    gap: 0.4rem;
  }

  .industry-text {
    width: 100%;
  }

  .industry-title {
    font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
    font-size: .64rem; /* 根据移动端截图调大字号 */
    font-weight: normal; /* 覆盖可能继承的加粗样式 */
    line-height: 1.2; /* 缩小行高 */
    margin-bottom: 0.36rem;
    margin-top: .12rem;
    color: #000000; /* 恢复为黑色 */
  }

  .detail-block h4 {
    color: #000000; /* 恢复为黑色 */
    font-size: .32rem;
  }

  .detail-block p {
    color: #505050; /* 恢复为深灰色 */
    font-size: .24rem;
  }

  .view-models-btn {
    color: #000000; /* 恢复为黑色 */
  }

  .view-models-btn img {
    filter: none; /* 移动端箭头取消反白 */
  }

  .industry-image-wrapper {
    order: -1; /* 图片排在文字上方 */
    width: 100%;
    display: flex;
    justify-content: flex-end; /* 让图片靠右对齐 */
    position: relative;
    padding-left: 0.2rem; /* 给左侧的圆留出空间 */
  }

  .industry-image {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    width: 100%;
    height: auto;
    min-height: 4rem;
    border-radius: 0.5rem 0 0 0.24rem; /* 匹配设计图 50px 0 0 24px */
    z-index: 2;
  }

  .industry-bg-circle {
    display: block; /* 移动端显示背景圆圈 */
    position: absolute;
    top: -0.5rem; /* 稍微向上偏移 */
    left: -1rem; /* 移出左侧边界，形成半圆被裁切的效果 */
    right: auto;
    width: 5rem;
    height: 5rem;
    background-color: #ececec;
    border-radius: 50%;
    z-index: 1; /* 确保在图片下方 */
  }

  .video-section {
    padding: 0.64rem 0; /* 减小上下内边距 */
  }

  .video-section .bg-circle {
    width: 3.2rem; /* 移动端减小圆圈尺寸 */
    height: 3.2rem;
  }

  .video-section .bg-circle.top-right {
    top: -0.4rem;
    right: -0.8rem;
  }

  .video-section .bg-circle.bottom-left {
    bottom: -0.4rem;
    left: -0.8rem;
  }

  .video-content .section-title {
    font-size: .64rem; /* 恢复稍大字号 */
    line-height: 1.4;
    margin-bottom: 0.48rem;
  }

  .video-content .section-title span {
    display: block; /* 移动端强制拆分为上下两行 */
  }

  .video-container {
    width: 100%; /* 让视频在移动端占满宽度，依靠外层padding留白 */
    max-width: 6.86rem; /* 按照常见的移动端宽度比例调整 */
    height: auto; /* 高度自适应 */
    aspect-ratio: 16 / 9; /* 保持视频比例 */
  }

  .video-decor {
    width: 3.17rem;
    height: 3.17rem;
  }

  .video-content {
    position: relative;
    padding: 0 16px;
  }

  .video-decor.decor-tl {
    top: -0.16rem;
    left: -0.16rem;
  }

  .video-decor.decor-br {
    bottom: -0.16rem;
    right: -0.16rem;
  }
}

/* 英文版特定样式覆盖 */
body.lang-en .hero-title-bg {
  width: 11.85rem; /* 英文标题较长，背景块加宽 */
}

body.lang-en .hero-title {
  font-size: 0.64rem;
}

body.lang-en .mobile-title-img {
  display: none !important;
}

body.lang-en .mobile-title-text {
  display: inline-block !important;
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.32rem;
  font-weight: 400;
  color: #ffffff;
  margin: 0 0 0.16rem 0;
  background: #0037c3;
  padding: 0.04rem 0.12rem;
}

/* 移动端 Csisp 加粗样式在英文下可能需要微调 */
body.lang-en .mobile-desc .brand-name {
  font-weight: bold;
}

body.lang-en .industries-tabs .tab-btn {
  font-size: 0.16rem;
  padding: 0.12rem 0.2rem;
}

.product-categories {
  display: flex;
  justify-content: center;
  gap: 0.16rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  padding: 0 2.04rem;
}
/* ==========================================================================
   Footer ������ʽ
   ========================================================================== */

/* Pre-footer Banner */
.pre-footer {
  position: relative;
  height: 6.8rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: hidden;
  padding-top: 0.75rem;
  background-color: rgba(0, 55, 195, 0.8);
}

.pre-footer-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("images/hero-bg-image-2418f4.png");
  background-size: 100% auto;
  background-position: top;
  opacity: 0.8; /* Let the blue background color show through slightly */
  mix-blend-mode: multiply;
}

.pre-footer-content {
  position: relative;
  z-index: 2;
  margin-left: -7rem;
  padding-bottom: 2rem; /* ���·��ĺ�ɫ���������ռ� */
}

.pre-footer-logo {
  height: 1.2rem;
  width: auto;
}

/* ������ Footer */
.footer {
  position: relative;
  margin-top: -6.1rem; /* Լ���ڲ���SVG�����հ׵ĸ߶� */
  z-index: 10;
  /* �ý����ڲ����·�����ɫ��������ֹ���ݳ���SVG�߶�ʱ©�� */
  background: linear-gradient(to bottom, transparent 2.1rem, #000000 2.1rem);
  color: #ffffff;
}

/* ��ɫ���˱���ͼ�� */
.footer-wave-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.footer-curve {
  width: 100%;
  height: auto;
  display: block;
}

.footer-curve.mobile-curve {
  display: none;
}

.footer-main {
  position: relative;
  z-index: 2;
  padding: 2.8rem 0 0;
}

.footer-container {
  padding: 0.5rem 2.04rem;
  display: flex;
  justify-content: space-between;
}

.footer-left {
  max-width: 6.5rem;
}

.footer-company {
  color: #ffffff;
  font-family: "PangMenZhengDaoBiaoTiTiMianFeiBan-4", sans-serif;
  font-size: 0.48rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.footer-info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.footer-contact {
  font-size: 0.16rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 100%;
}

/* 地址与下方电话/Whatsapp/Email 组之间 24px */
.footer-contact > p:first-child {
  margin: 0 0 0.24rem;
  line-height: 1.6;
}

/* 三个联系方式为一组，组内紧凑排列 */
.footer-contact > p:nth-child(n + 2) {
  margin: 0;
  line-height: 1.6;
}

.footer-contact > p:nth-child(n + 3) {
  margin-top: 0.02rem;
}
.footer-qr{
  display: flex;
  align-items: center;
}
.footer-qr img {
  width: 1.2rem;
  height: 1.2rem;
  padding: 0;
  border-radius: 0.08rem;
}

.footer-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 0.2rem;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 0.4rem;
}
.footer-nav-list li {
  display: flex;
  align-items: center;
}

.footer-nav-list a {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.2rem;
  transition: color 0.3s ease;
  font-weight: normal;
}

.footer-nav-list a:hover {
  color: var(--accent-color);
}

/* Footer Bottom（蓝色条，Figma Frame 32 @375px，尺寸用 px 固定） */
.footer-bottom {
  background-color: #0037c3;
  padding: 16px 2.04rem;
  position: relative;
  z-index: 2;
  box-sizing: border-box;
}

.footer-bottom-container {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 16px;
  box-sizing: border-box;
}

.footer-bottom-top {
  min-height: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}

.copyright {
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  color: #d9d9d9;
  white-space: nowrap;
  text-align: left;
  flex: 1;

}

.footer-bottom-brand {
  width: 161px;
  height: 24px;
  display: block;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

.footer-social-list {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.footer-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #ffffff;
  border-radius: 50%;
  flex-shrink: 0;
  transition: opacity 0.3s ease;
}

.footer-social-btn:hover {
  opacity: 0.85;
}

.footer-social-btn img {
  width: 20px;
  height: 20px;
  display: block;
  object-fit: contain;
}

/* 兼容旧结构 */
.footer-socials {
  display: none;
}

.footer-socials img {
  height: 0.24rem;
  width: auto;
  display: block;
}

.footer-socials .mobile-socials {
  display: none;
}

/* ==========================================================================
   ��Ӧʽ���� (Mobile: max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
  .pre-footer {
    height: 4.8rem;
    padding-left: 0;
    padding-right: 0;
    padding-top: 0.75rem;
    justify-content: center;
    align-items: flex-start;
  }

  .pre-footer-bg {
    /* Use specific mobile background image */
    background-image: url("images/fooyer-top.png");
    mix-blend-mode: multiply; /* Ensure blue color shows through */
    opacity: 0.8;
  }

  .pre-footer-content {
    padding-bottom: 0.8rem;
    margin-left: 0;
  }

  .pre-footer-content picture {
    display: block;
  }

  .pre-footer-logo {
    height: 0.9rem;
    width: auto;
  }

  /* Mobile wave curve is different */
  /* M375 633.402H0V12.877C45.4181 17.1937 91.4511 19.4023 138 19.4023C218.724 19.4023 297.896 12.7633 375 0V633.402Z */
  /* Curve part is about 20px on 375px viewport width -> ~0.2rem */
  .footer {
    margin-top: -2rem;
    background: linear-gradient(to bottom, transparent 0.4rem, #000000 0.4rem);
  }

  .footer-wave-bg {
    /* Mobile SVG needs to be top-aligned */
  }

  .footer-curve.pc-curve {
    display: none;
  }

  .footer-curve.mobile-curve {
    display: block;
  }

  .footer-main {
    padding: 0.8rem 0 0;
  }

  .footer-container {
    flex-direction: column;
    padding: 0 16px;
  }

  .footer-left {
    width: 100%;
    max-width: 100%;
    margin-bottom: 1.4rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-company {
    font-size: .48rem;
    line-height: 1.2;
    margin: 0 0 24px;
    width: 100%;
  }

  .footer-info {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 0;
  }

  .footer-contact {
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    font-size: .24rem;
    line-height: 1.6;
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
  }

  /* 地址与下方电话/Whatsapp/Email 组之间 24px */
  .footer-contact > p:first-child {
    margin: 0 0 24px;
    line-height: 1.6;
  }

  /* 三个联系方式为一组，组内紧凑排列 */
  .footer-contact > p:nth-child(n + 2) {
    margin: 0;
    line-height: 1.6;
  }

  .footer-contact > p:nth-child(n + 3) {
    margin-top: 2px;
  }

  .footer-qr {
    margin: 0;
  }

  .footer-qr img {
    width: 64px;
    height: 64px;
    padding: 0;
    display: block;
  }

  .footer-right {
    width: 100%;
    padding-top: 0;
  }

  .footer-nav-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.32rem 0.28rem; /* Shrink horizontal gap to fit 5 items */
    padding-bottom: 1.4rem;
  }

  .footer-nav-list li {
    /* let flex wrap handle the spacing */
  }

  .footer-nav-list a {
    font-size: .28rem;
  }

  .footer-bottom {
    padding: 16px;
  }

  .footer-bottom-container {
    gap: 16px;
    flex-direction: column;
  }

  .footer-bottom-top {
    min-height: 32px;
  }

  .footer-bottom-brand {
    width: 161px;
    height: 24px;
  }

  .footer-social-list {
    gap: 12px;
  }

  .footer-social-btn {
    width: 32px;
    height: 32px;
  }

  .footer-social-btn img {
    width: 20px;
    height: 20px;
  }

  .copyright {
    font-size: .24rem;
  }
}

@media (max-width: 768px) {
  .hero-content {
    padding-left: 16px;
    padding-right: 16px;
  }
  .video-content {
    padding-left: 16px;
    padding-right: 16px;
  }
  .about-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .industries-tabs-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .industries-content-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .product-categories {
    padding-left: 16px;
    padding-right: 16px;
  }
  .icon-mail {
    width: 19px;
    height: 19px;
  }
}

@media (max-width: 768px) {
  .footer-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (min-width: 769px) {
  .hero-bg2 + .hero-content .hero-title-container.pc-title {
    padding-left: 0.18rem;
  }

  .hero-bg2 + .hero-content .hero-desc-wrapper.pc-desc {
    padding-left: 0.18rem;
  }

  .hero-bg2 + .hero-content .hero-desc-decor {
    left: 0.12rem;
  }

  .hero-bg2 + .hero-content .hero-desc {
    padding-left: 0;
  }
}

.csisp-back-to-top {
  position: fixed;
  right: 0.44rem;
  bottom: 15vh;
  width: 0.56rem;
  height: 0.56rem;
  border: none;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #0037c3;
  color: #ffffff;
  box-shadow: 0 0.12rem 0.32rem rgba(0, 55, 195, 0.28);
  cursor: pointer;
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.16rem);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, box-shadow 0.25s ease;
}

.csisp-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.csisp-back-to-top:hover {
  box-shadow: 0 0.16rem 0.4rem rgba(0, 55, 195, 0.34);
}

.csisp-back-to-top:focus-visible {
  outline: 0.03rem solid #ffffff;
  outline-offset: 0.04rem;
}

.csisp-back-to-top svg {
  width: 0.22rem;
  height: 0.22rem;
}

@media (max-width: 768px) {
  .csisp-back-to-top {
    right: 0.2rem;
    bottom: 0.2rem;
    width: 0.72rem;
    height: 0.72rem;
  }

  .csisp-back-to-top svg {
    width: 0.28rem;
    height: 0.28rem;
  }
}