/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  list-style: none;
  text-decoration: none;
}

body {
  background-color: #fff;
  color: #fff;
  overflow-x: hidden;
}

section {
  width: 100%;
}

img {
  display: block;
}

.moblie {
  display: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.col-box {
  display: flex;
  flex-direction: column;
}
.col-box.mid {
  justify-content: center;
}
.col-box.center {
  align-items: center;
}

.row-box {
  display: flex;
}
.row-box.mid {
  align-items: center;
}
.row-box.center {
  justify-content: center;
}
.row-box.sb {
  justify-content: space-between;
}

.top-box {
  position: absolute;
  z-index: 9;
  left: 0;
  top: 2rem;
}

/* ----------------------------------- 顶部导航--start -------------------------------------- */
/* 搜索盒子遮罩层 - 核心样式 */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  overflow: hidden;
  /* 禁止滚动 */
}

/* 搜索盒子显示状态 */
.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 搜索关闭按钮 */
.search-close {
  position: absolute;
  top: 20%;
  right: 20%;
  width: 40px;
  height: 40px;
  color: #fff;
  cursor: pointer;
  transition: color 0.3s;
}

.search-close:hover {
  color: #ccc;
}

/* 搜索框容器 */
.search-container {
  width: 60%;
  max-width: 800px;
  position: relative;
}

.search-input {
  width: 100%;
  height: 60px;
  background: transparent;
  border: none;
  border-bottom: 2px solid #fff;
  font-size: 24px;
  color: #fff;
  padding: 0 20px;
  outline: none;
}

.search-input::placeholder {
  color: #999;
  font-size: 18px;
}

/* 搜索图标 */
/* .search-container button */
.search-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  /* font-size: 24px; */
  width: 40px;
  height: 40px;
  color: #fff;
  cursor: pointer;
  background: transparent;
  border: none;
}
.search-btn img {
  width: 100%;
  height: 100%;
  display: block;
}

/* 头部容器 */
header {
  width: 100%;
  background-color: #000;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 999;
}

/* 顶部导航（新闻中心、查找门店等） */
.top-nav-wrap {
  border-bottom: 1px solid #333;
}
.top-nav {
  display: flex;
  /* justify-content: flex-end; */
  align-items: center;
  /* padding: 10px 20px; */
  padding: 24px 0px;
  font-size: 12px;
  gap: 30px;
}

.top-nav a {
  color: #fff;
  transition: color 0.3s;
}

.top-nav a:hover {
  color: #ccc;
}

/* 语言切换按钮（顶部导航） */
.top-nav li.lg-switch a {
  display: inline-block;
  padding: 1px 10px;
  border: 1px solid #888;
  border-radius: 3px;
  font-size: 12px;
  line-height: 1.7;
}

.top-nav li.lg-switch a:hover {
  color: #fff;
  border-color: #fff;
}

/* 主导航容器 */
.main-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* padding: 15px 20px; */
  padding: 15px 0px;
  position: static;
}

/* logo */
.logo {
  font-size: 24px;
  font-weight: bold;
  /* line-height: 65px; */
  color: #fff;
  display: flex;
  align-items: center;
  gap: 15px;
}
.logo img {
  height: 40px;
  width: auto;
}
/* 移动端导航 */
.m-menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.m-menu .logo {
  display: none;
}

/* 移动端顶部搜索按钮 */
.mobile-search-btn {
  display: none;
  /* font-size: 24px; */
  width: 32px;
  height: 32px;
  cursor: pointer;
  /* margin-right: 15px; */
}

/* 汉堡菜单（移动端） */
.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* 主导航列表（PC端） */
.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav > li {
  /* position: relative; */
  /* margin: 0 15px; */
  font-size: 15px;
}
.main-nav > li.snav {
  display: none;
}
.main-nav > li a,
.main-nav > li .nav-link-wrapper a {
  color: #fff;
  display: block;
  transition: all 0.3s;
}
.main-nav > li a:hover,
.main-nav > li .nav-link-wrapper a:hover {
  color: #ccc;
}
.main-nav > li .nav-link-wrapper > a {
  padding: 10px 0;
}
.main-nav > li .nav-link-wrapper > a:hover {
  transform: translateY(-5px);
}

/* 移动端导航项容器：拆分文字和图标 */
.nav-link-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* 移动端导航项图标样式 */
.toggle-icon {
  margin-left: 8px;
  font-size: 15px;
  transition: transform 0.3s ease;
}

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

.main-nav > li > a:hover {
  color: #fff;
}

/* PC端搜索图标（导航内） */
.search-icon {
  margin-left: 15px;
  cursor: pointer;
}
.search-icon img {
  width: 40px;
  height: 40px;
}

/* 下拉菜单容器 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100vw;
  /* 初始高度0，overflow隐藏 */
  height: 0;
  background-color: #000;
  /* padding: 0 50px; */
  /* 初始padding为0，避免高度0时内容显示 */
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  /* 过渡包含height、padding、opacity、visibility */
  transition: all 0.4s ease;
  z-index: 998;
}

/* 悬浮显示下拉菜单 - 高度变为剩余页面高度 */
.main-nav > li:hover .dropdown {
  height: calc(100vh - 100px);
  /* 占满剩余页面高度 */
  padding: 30px 50px;
  /* 展开后添加padding */
  opacity: 1;
  visibility: visible;
}

/* 下拉菜单内容布局 */
.dropdown-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.dropdown-column h3 {
  font-size: 16px;
  margin-bottom: 20px;
  color: #999;
}

.dropdown-column ul li {
  margin-bottom: 15px;
}

.dropdown-column ul li a {
  color: #fff;
  font-size: 15px;
  transition: color 0.3s;
}

.dropdown-column ul li a:hover {
  color: #ccc;
}

/* ----------------------------------- 顶部导航--end -------------------------------------- */

/* ----------------------------------- 板块--start -------------------------------------- */
.page-section {
  width: 100%;
  height: 42vw;
}

.page-section .container {
  height: 100%;
}

.text-side {
  max-width: 600px;
  /* overflow: hidden; */
}

.section-name {
  font-size: 1.4vw;
  line-height: 1.4vw;
  font-weight: 500;
  margin-bottom: 25px;
  color: #000;
}

.name-image {
  margin-bottom: 30px;
}

.section-title {
  font-size: 1.8vw;
  font-weight: normal;
  margin-bottom: 30px;
  line-height: 51px;
  color: #000;
  letter-spacing: 2px;
}

/* 板块左上文字块随视口等比缩放（1920 设计稿基准），
   避免小屏笔记本上文字比例过大遮挡背景图中的产品。
   用 :where() 降低优先级，移动端媒体查询仍可正常覆盖。 */
@media (min-width: 769px) {
  :where(.page-section) .top-box {
    top: 1.67vw;
  }
  :where(.page-section) .name-image {
    width: 6.87vw;
    height: auto;
    margin-bottom: 1.56vw;
  }
  :where(.page-section) .section-name {
    margin-bottom: 1.3vw;
  }
  :where(.page-section) .section-title {
    line-height: 2.66vw;
  }
}

.section-desc {
  font-size: 18px;
  color: #333;
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 500px;
}
.section-desc.mb0 {
  margin-bottom: 0;
}

.video-wrap {
  position: absolute;
  z-index: 99;
  left: 50%;
  transform: translateX(-50%);
  bottom: 3rem;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}
.video-wrap.single {
    display: flex;
}
.video-wrap.single .video-box {
    width: 30%;
}
.video-wrap.col {
  grid-template-rows: 20rem;
}
.video-box {
  width: fit-content;
  height: auto;
}
/*.video-wrap.col .video-box {*/
/*  background: #000;*/
/*}*/
.video-box video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 首页视频文字按钮 */
.video-wrap {
  justify-content: left;
}
.video-wrap .video-btn {
  align-self: center;
  padding: 12px 38px;
  border: 1px solid rgba(0, 0, 0, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  color: #000;
  font-family: inherit;
  font-size: 16px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.video-wrap .video-btn:hover {
  background: rgba(0, 0, 0, 0.85);
  border-color: rgba(0, 0, 0, 0.85);
  color: #fff;
}

/* 平板/小笔记本适配（769-1279px，≥1280px 容器自身居中留白）。
   注意：必须位于基础 .video-wrap/.video-btn 规则之后才能覆盖。 */
@media (min-width: 769px) and (max-width: 1279px) {
  /* 两侧留白 24px */
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
  /* 绝对定位元素不随容器 padding 缩进，需单独处理 */
  :where(.page-section) .top-box {
    left: 24px;
  }
  /* 按钮区与文字块左对齐：用 left/right 定位，去掉 translateX 居中偏移 */
  .video-wrap {
    left: 24px;
    right: 24px;
    width: auto;
    transform: none;
  }
  /* 导航压缩为一行 */
  .main-nav {
    gap: 1.37vw;
  }
  .main-nav > li {
    font-size: clamp(11px, 1.27vw, 15px);
    white-space: nowrap;
  }
  .logo {
    font-size: clamp(16px, 1.25vw, 24px);
    gap: 10px;
  }
  .logo img {
    height: clamp(28px, 2.1vw, 40px);
  }
  .search-icon {
    margin-left: 10px;
  }
}

/* ≤1024px：视频按钮与间距等比缩小 */
@media (max-width: 1024px) {
  .video-wrap {
    gap: clamp(28px, 3.9vw, 64px);
  }
  .video-wrap .video-btn {
    padding: clamp(9px, 1.17vw, 12px) clamp(24px, 2.93vw, 38px);
    font-size: clamp(12px, 1.37vw, 16px);
    letter-spacing: clamp(1px, 0.15vw, 2px);
  }
}

/* 视频弹窗 */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
}
.video-modal.active {
  display: block;
}
.video-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}
.video-modal-body {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-modal-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 36px;
  height: 36px;
  cursor: pointer;
  z-index: 2;
  transition: opacity 0.3s;
}
.video-modal-close:hover {
  opacity: 0.7;
}
.video-modal-player video {
  display: block;
  max-width: 88vw;
  max-height: 84vh;
  background: #000;
  border-radius: 6px;
}
/* 横屏视频：以宽度为准 */
.video-modal-player.orient-h video {
  width: min(88vw, 1280px);
  height: auto;
}
/* 竖屏视频：以高度为准 */
.video-modal-player.orient-v video {
  height: min(84vh, 900px);
  width: auto;
}

/* 产品大图 */
.cpdt1 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/1.jpg") no-repeat center center / cover;
}
.cpdt2 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/2.jpg") no-repeat center center / cover;
}
.cpdt3 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/3.jpg") no-repeat center center / cover;
}
.cpdt4 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/4.jpg") no-repeat center center / cover;
}
.cpdt5 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/5.jpg") no-repeat center center / cover;
}
.cpdt6 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/6.jpg") no-repeat center center / cover;
}
.cpdt7 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/7.jpg") no-repeat center center / cover;
}
.cpdt8 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/8.jpg") no-repeat center center / cover;
}
.cpdt9 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/9.jpg") no-repeat center center / cover;
}
.cpdt10 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/10.jpg") no-repeat center center / cover;
}
.cpdt11 {
  /* height: 1078px; */
  background: url("/static/images/产品大图/11.jpg") no-repeat center center / cover;
}

/* 公司介绍板块 */
#company {
  background: url("/static/images/a1.jpg") no-repeat center center / cover;
}
#company .text-side {
  top: 50%;
  transform: translateY(-50%);
}
/* 公司简介 */
.company-info1 {
  background: url("/static/images/a1.jpg") no-repeat center center / cover;
}
.company-info1 .text-side,
.company-info2 .text-side {
  max-width: 780px;
}
.company-info4 .text-side,
.company-info5 .text-side,
.company-info6 .text-side {
  max-width: none;
  width: 100%;
}
.company-info1 .section-desc {
  font-size: 17px;
  max-width: 620px;
}
.company-info2 .section-desc,
.company-info4 .section-desc,
.company-info5 .section-desc {
  max-width: none;
}
/* —— 公司介绍页布局优化：板块改为自适应高度，文字转为常规流式排版，杜绝溢出遮挡/错位 —— */
.company-info0,
.company-info1,
.company-info2,
.company-info3,
.company-info4,
.company-info5,
.company-info6 {
  height: auto;
  min-height: 42vw;
}
.company-info1 .text-side,
.company-info2 .text-side,
.company-info3 .text-side,
.company-info4 .text-side,
.company-info5 .text-side,
.company-info6 .text-side {
  position: static;
  padding: 40px 0 48px;
}
.company-info1 .section-title,
.company-info2 .section-title,
.company-info3 .section-title,
.company-info4 .section-title,
.company-info5 .section-title,
.company-info6 .section-title {
  font-size: clamp(20px, 1.8vw, 34.56px);
  line-height: 1.4;
}
.company-info3 .section-desc {
  font-size: 17px;
}
.company-info2 .section-desc span {
  font-size: 20px;
  font-weight: 600;
}
.company-info4 .dasai-images img {
  object-fit: cover;
}
/* 品牌 */
.company-info0 {
  background: url("/static/images/about0.jpg") no-repeat center center / cover;
}
.company-info0 .pinpai-left {
  display: none;
}
/* 6D接发理念及优点 */
.company-info2 {
  background: url("/static/images/about2.jpg") no-repeat center center / cover;
}
/* 亚洲地区行业杰出贡献奖 */
.company-info3 {
  background: url("/static/images/about3.jpg") no-repeat center center / cover;
}
/* 6D科技高端接发大赛风采 */
.company-info4,
.company-info6 {
  background: url("/static/images/about4.jpg") no-repeat center center / cover;
}
.company-info4 .dasai-images {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 15px;
}
.company-info4 .dasai-images img {
  width: 100%;
  height: 100%;
  display: block;
  /* 外层轻微阴影 + 内层柔和阴影 */
  box-shadow:
    0 0 12px 5px rgba(0, 0, 0, 0.08),
    inset 0 0 30px rgba(0, 0, 0, 0.05);
}
.company-info4 .dasai-images .item4 {
  grid-column: 1 / 4;
  grid-row: 1 / 3;
}
.company-info4 .dasai-images .item1 {
  grid-column: 1 / 2;
  grid-row: 3 / 4;
}
.company-info4 .dasai-images .item2 {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}
.company-info4 .dasai-images .item3 {
  grid-column: 3 / 4;
  grid-row: 3 / 4;
}
.company-info4 .dasai-images .item5 {
  grid-column: 4 / 5;
  grid-row: 1 / 2;
}
.company-info4 .dasai-images .item6 {
  grid-column: 4 / 5;
  grid-row: 2 / 3;
}
.company-info4 .dasai-images .item7 {
  grid-column: 4 / 5;
  grid-row: 3 / 4;
}
/* 6D接发片 */
.company-info5 {
  /* background: url("/static/images/about5.jpg") no-repeat center center / cover; */
  background: #f4f5f7;
}
/* 轮播容器 */
.company-info5 .carousel-container {
  position: relative;
  width: 100%;
}
/* 产品网格布局 */
.company-info5 .fapian-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(1, 1fr);
  gap: 30px; /* 卡片间距 */
}
/* 产品卡片样式 */
.company-info5 .fapian-card {
  background: #fff;
  /* border-radius: 8px; */
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease; /* 悬浮动效 */
  cursor: pointer;
  flex-shrink: 0;
  width: 100%;
}
/* 卡片悬浮效果 */
.company-info5 .fapian-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}
/* 产品图片容器：固定比例，避免图片变形 */
.company-info5 .fapian-img-wrap {
  width: 100%;
  padding-top: 100%; /* 1:1 正方形比例，可根据产品图调整（如120%为竖版） */
  position: relative;
  overflow: hidden;
  background: #f9f9f9;
}
.company-info5 .fapian-img-wrap img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; /* 图片留白，避免贴边 */
  height: auto;
  object-fit: contain; /* 完整显示图片，不变形 */
}
/* 产品信息区 */
.company-info5 .fapian-info {
  padding: 20px;
}
.company-info5 .fapian-name {
  font-size: 18px;
  font-weight: 600;
  color: #222;
  margin-bottom: 6px;
  line-height: 1.4;
}
.company-info5 .fapian-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.5;
}
/* ========== 箭头按钮：放在产品区域 外 侧 ========== */
.company-info5 .carousel-btn {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #eee;
  color: #333;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  display: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 上箭头：放在产品区 最外部 上方 */
.company-info5 .prev-btn {
  top: 126px;
  background-image: url(/static/images/up.png);
}
/* 下箭头：放在产品区 最外部 下方 */
.company-info5 .next-btn {
  bottom: -60px;
  background-image: url(/static/images/down.png);
}
/* ========== 6D接发片-移动端适配 ========== */
@media screen and (max-width: 576px) {
  .company-info5 .carousel-container {
    overflow: hidden;
    margin-top: 58px;
  }
  .company-info5 .fapian-grid {
    width: 100%;
    /* height: 408px; */
    grid-template-columns: unset;
    gap: 0;
    display: flex;
    flex-direction: column;
  }
  .company-info5 .fapian-card {
    width: 100%;
    /* height: 408px; */
  }
  .company-info5 .fapian-info {
    padding: 15px;
  }
  /* 手机端显示箭头 */
  .company-info5 .carousel-btn {
    display: flex;
  }
}
/* 6D科技高端接发全球展会风采 */
.company-info6 .global-exhibition {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
/* 轮播容器 */
.company-info6 .exh-swiper {
  width: 100%;
  height: fit-content;
  overflow: hidden;
  position: relative;
  padding: 12px 100px;
  box-sizing: border-box;
}
/* 图片轨道 */
.company-info6 .exh-track {
  height: 100%;
  display: flex;
  transition: transform 0.4s ease;
  gap: 108px; /* 两页间隔 */
}
/* 单页 —— 电脑端：4列3行 */
.company-info6 .exh-page {
  flex: 0 0 calc(100% - 0px);
  height: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 12px;
}
/* 小图卡片 */
.company-info6 .exh-item {
  background: #fff;
  /* border-radius: 6px; */
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  align-items: center;
  justify-content: center;
}
.company-info6 .exh-item.pc {
  display: flex;
}
.company-info6 .exh-item.mobile {
  display: none;
}
.company-info6 .exh-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 左右箭头 */
.company-info6 .exh-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.company-info6 .exh-prev {
  left: 2px;
  background-image: url(/static/images/left.png);
}
.company-info6 .exh-next {
  right: 2px;
  background-image: url(/static/images/right.png);
}
/* 分页指示器 */
.company-info6 .exh-dots {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}
.company-info6 .exh-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}
.company-info6 .exh-dot.active {
  background: #333;
}
/* ====================== 6D科技高端接发全球展会风采-移动端适配：2行5列 ====================== */
@media (max-width: 768px) {
  .company-info6 .exh-swiper {
    padding: 12px;
  }
  .company-info6 .exh-track {
    gap: 20px; /* 两页间隔 */
  }
  .company-info6 .exh-page {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(5, 1fr);
  }
  /* .company-info6 .exh-swiper {
    height: 45%;
  } */
  .company-info6 .exh-item.pc {
    display: none;
  }
  .company-info6 .exh-item.mobile {
    display: flex;
  }
}

/* 公司专利板块 */
.patent-section {
  min-height: 70vh;
  padding: 60px 0 80px 0;
  background-color: #f4f5f7;
  /* background: url("/static/images/a2.jpg") no-repeat center center / cover; */
  position: relative;
  overflow: hidden;
}
.patent-section.sort-head {
  background: #f4f5f7;
  min-height: unset;
  padding-bottom: 0;
}
.patent-section.content-section {
  background-color: #f4f5f7;
  /* background: url("/static/images/a2.jpg") no-repeat center center / cover; */
  padding-top: 0;
}

/* 专利分类切换按钮 */
.patent-tabs {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 60px;
  position: relative;
}

.patent-tab {
  font-size: 22px;
  font-weight: 500;
  color: #666;
  background: transparent;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  opacity: 0.8;
}

.patent-tab::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background-color: #000;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform: translateX(-50%);
}

.patent-tab.active {
  color: #000;
  opacity: 1;
}

.patent-tab.active::after {
  width: 80%;
}

.patent-tab:hover {
  color: #000;
  opacity: 1;
}
/* 专利内容容器（实现切换动画） */
.patent-content-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.patent-content {
  display: flex;
  width: 200%; /* 两个分类各占100% */
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.patent-content.patent-domestic {
  transform: translateX(0);
}

.patent-content.patent-overseas {
  transform: translateX(-50%);
}

/* 专利列表（国内/国外） */
.patent-list {
  width: 50%; /* 每个分类占50% */
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  padding: 20px;
}

/* 专利卡片（竖向图片，无文字） */
.patent-item {
  background: #fff;
  /* border-radius: 8px; */
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  height: 450px; /* 竖向卡片高度 */
  position: relative;
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
}

.patent-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 80%,
    rgba(0, 0, 0, 0.1)
  );
  z-index: 1;
  transition: all 0.5s ease;
}

.patent-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.patent-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.patent-item:hover img {
  transform: scale(1.05);
}

.patent-item:hover::before {
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.05) 70%,
    rgba(0, 0, 0, 0.2)
  );
}

/* ========== 专利图片全屏预览弹窗 ========== */
.patent-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 99999; /* 最高层级，覆盖所有内容 */
  display: none; /* 默认隐藏 */
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 弹窗显示状态 */
.patent-modal.active {
  display: flex;
  opacity: 1;
}

/* 弹窗内容容器 */
.modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90vh;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform: scale(0.95);
}

.patent-modal.active .modal-content {
  transform: scale(1);
}

/* 预览大图样式 */
.modal-img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
}

/* 关闭按钮 */
.modal-close {
  position: absolute;
  top: -10px;
  right: -50px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 48px;
  cursor: pointer;
  opacity: 0.8;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* ========== 专利板块响应式 ========== */
@media (max-width: 1200px) {
  .patent-list {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
  }

  .patent-item {
    height: 400px;
  }
}

@media (max-width: 992px) {
  .patent-item {
    height: 350px;
  }

  .patent-tabs {
    gap: 20px;
    margin-bottom: 40px;
  }

  .patent-tab {
    font-size: 20px;
    padding: 8px 16px;
  }
}

@media (max-width: 768px) {
  .patent-section {
    padding: 60px 0 80px 0;
  }

  .patent-list {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }

  .patent-item {
    height: 300px;
  }

  .patent-tab {
    font-size: 18px;
  }

  .patent-section .section-title {
    font-size: 36px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .patent-list {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }

  .patent-item {
    height: 255px;
  }

  .patent-tabs {
    /* flex-direction: column; */
    align-items: center;
    gap: 10px;
  }

  .patent-tab {
    font-size: 16px;
  }

  .modal-close {
    top: -50px;
    right: 0;
  }
}

/* 板块内 h3 样式 */
.product-card h3 {
  font-size: 24px;
  font-weight: normal;
  margin-bottom: 15px;
  color: #000;
}

.patent-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #666;
}

/* 视频板块 */
.video-section {
  min-height: 90vh;
  padding: 60px 40px 80px;
  background-color: #000;
  color: #fff;
  position: relative;
}

.video-section .section-title {
  color: #fff;
  margin-left: 0; /* 修复：移除多余左边距 */
  margin-bottom: 30px;
}

.video-wrapper {
  width: 100%;
  height: 70vh;
  margin-top: 0;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  min-height: 400px;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-wrapper.type1, .video-wrapper.type2 {
  height: fit-content;
  display: flex;
  justify-content: space-between;
}

.video-wrapper.type1 > div, .video-wrapper.type2 > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 30%;
}

.video-wrapper.type1 span, .video-wrapper.type2 span{
  color: #ffffff;
  font-size: 1vw;
  margin-bottom: 1vw;
}

.video-wrapper.type1 video{
  width: 100%;
  height: auto;
  aspect-ratio: 127 / 72;
}

.video-wrapper.type2 video{
  width: 100%;
  height: auto;
  aspect-ratio: 45 / 80;
}

/* 使用说明 */
#guide2 {
  background: url("/static/images/a3.jpg") no-repeat center center / cover;
}

/* 产品卡片+购买按钮 */
.product-card {
  position: absolute;
  top: -30px;
  right: 0px;
  background: rgba(255, 255, 255, 0.95);
  padding: 20px 30px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  z-index: 99;
  box-sizing: border-box;
  width: fit-content;
  overflow: hidden;
}

.product-card h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #000;
  font-weight: normal;
}

.product-card p {
  font-size: 18px;
  margin-bottom: 20px;
  color: #333;
}

.buy-btn {
  background-color: #000;
  color: #fff;
  border: none;
  padding: 14px 35px;
  font-size: 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.3s;
  font-weight: 500;
  letter-spacing: 0.5px;
  width: 100%;
  max-width: 200px;
}

.buy-btn:hover {
  background-color: #333;
}

/* 产品介绍板块 */
.product-guide .product-card {
  top: 10px;
  right: 0;
}

.guide-text h3 {
  font-size: 24px;
  font-weight: normal;
  margin-bottom: 15px;
  color: #000;
}

.guide-text p {
  font-size: 16px;
  color: #444;
  margin-bottom: 25px;
  line-height: 1.8;
}

/* 售后服务板块 */
#service {
  padding: 60px 0 80px 0;
  background-color: #f4f5f7;
}

.service-content {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
  width: 100%;
}

.service-item {
  padding: 40px 25px;
  text-align: center;
  background-color: #f0f0f0;
  border-radius: 4px;
  height: 100%;
}

.service-item img {
  width: 80px;
  height: 80px;
  margin-bottom: 25px;
  object-fit: contain;
  margin-left: auto;
  margin-right: auto;
}

.service-item h3 {
  font-size: 20px;
  font-weight: normal;
  margin-bottom: 15px;
  color: #000;
}

.service-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #666;
}

/* ----------------------------------- 板块--end -------------------------------------- */

/* ----------------------------------- 底部--start -------------------------------------- */
/* 页脚 */
.footer {
  background-color: #000;
  color: #fff;
  font-size: 13px;
  border-top: 1px solid #222;
}

.contact-footer {
  background-color: #222;
  border-bottom: 1px solid #333;
}
.contact-footer .container {
  color: #fff;
  padding: 60px 40px;
  gap: 80px;
  flex-wrap: wrap;
}

.contact-title {
  font-size: 20px;
  font-weight: 400;
  color: #fff;
  white-space: nowrap;
}

.contact-items {
  display: flex;
  gap: 60px;
  align-items: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-icon {
  width: 48px;
  height: 48px;
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.contact-label {
  font-size: 16px;
  color: #ccc;
  margin-bottom: 5px;
}

.contact-value {
  font-size: 16px;
  color: #fff;
}

/* 版权信息区域 */
.copyright {
  padding: 50px 40px;
  text-align: center;
}

/* 备案号链接样式 */
.copyright a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

.copyright a:hover {
  color: #fff;
  text-decoration: none;
}
/* ----------------------------------- 底部--end -------------------------------------- */

/* ----------------------------------- 分页条--start -------------------------------------- */
/* 分页容器整体样式 */
.pagination-wrapper {
  width: 100%;
  padding: 80px 20px 0 20px;
  /* background-color: #fff; */
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 60px 0 0 0;
  border-top: 1px solid #e8e8e8;
}

/* 分页核心样式 */
.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

/* 分页按钮通用样式 */
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  color: #333;
  background-color: #fafafa;
  border: 1px solid #f0f0f0;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: all 0.25s ease-in-out;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* 禁用状态（上一页/下一页不可点击） */
.pagination .disabled {
  color: #bbb;
  background-color: #fefefe;
  border-color: #f5f5f5;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* 当前页样式 */
.pagination .current {
  background-color: #000;
  color: #fff;
  border-color: #000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  font-weight: 500;
}

/* hover交互效果 */
.pagination a:hover:not(.disabled) {
  background-color: #fff;
  color: #000;
  border-color: #ddd;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  transform: translateY(-1px);
}

/* 点击按压效果 */
.pagination a:active:not(.disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
/* ----------------------------------- 分页条--end -------------------------------------- */

/* -------------------------------- 新闻中心--start ------------------------------------- */
/* 新闻中心板块主体 */
#news {
  background: #f4f5f7;
  padding: 80px 20px;
  min-height: 800px;
}
#news .section-title {
  margin-bottom: 60px;
}
/* 新闻网格布局 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px 40px;
}
/* 新闻卡片 */
.news-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.news-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  margin-bottom: 24px;
  transition: transform 0.4s ease;
}
.news-card:hover img {
  transform: scale(1.03);
}
/* 栏目TAG */
.news-tag {
  font-size: 13px;
  color: #fff;
  background: #333;
  display: inline-block;
  padding: 4px 10px;
  /* border-radius: 4px; */
  margin-bottom: 10px;
  letter-spacing: 0.5px;
  width: fit-content;
}
/* 文字排版 */
.news-date {
  font-size: 13px;
  color: #777;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.news-title {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.45;
  color: #333;
  margin-bottom: 16px;
}
.news-title a {
  color: inherit;
  text-decoration: none;
}
.news-title a:hover {
  opacity: 0.6;
}
/* 阅读更多 */
.read-more {
  font-size: 14px;
  color: #333;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid #ccc;
  transition: all 0.3s ease;
  width: fit-content;
}
.read-more:hover {
  border-color: #333;
  opacity: 1;
}

/* 响应式 */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  #news .container {
    /* padding: 0 24px; */
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .news-card img {
    height: 220px;
  }
}
/* --------------------------------- 新闻中心--end ------------------------------------- */

/* --------------------------------- 新闻详情--start ------------------------------------- */

/* --------------------------------- 新闻详情--end -------------------------------------- */
/* 新闻详情主体板块 */
.detail-section {
  min-height: 800px;
  background: #f4f5f7;
}
/*  新闻详情内容区  */
.news-article {
  padding: 60px 0;
}
/* 头部信息：TAG + 日期 + 标题 */
.article-header {
  margin-bottom: 40px;
  text-align: center;
}
.article-sub-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.article-tag {
  font-size: 13px;
  background: #333;
  color: #fff;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.article-date {
  font-size: 14px;
  color: #777;
  margin-bottom: 20px;
}
.article-title {
  font-size: 36px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #333;
}
/* 文章大图 */
.article-thumb {
  width: 100%;
  height: auto;
  margin-bottom: 50px;
  border-radius: 2px;
}
/* 文章正文 */
.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: #222;
}
.article-content p {
  margin-bottom: 26px;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 500;
  margin: 40px 0 20px;
  line-height: 1.4;
}
/* 返回列表按钮 */
.back-btn {
  margin-top: 80px;
  text-align: center;
}
.back-btn a {
  font-size: 14px;
  color: #333;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid #ccc;
  transition: all 0.3s ease;
}
.back-btn a:hover {
  border-color: #333;
}

/* 响应式 */
@media (max-width: 768px) {
  .article-title {
    font-size: 26px;
  }
  .article-thumb {
    margin-bottom: 30px;
  }
}
/* --------------------------------- 联系我们--start -------------------------------------- */
/* 联系我们主体板块 */
#contact {
  background: #f4f5f7;
  padding: 80px 20px;
  min-height: 800px;
}
/* 容器布局 */
.contact-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 60px;
  justify-content: center;
}
/* 左侧信息区 */
.contact-info {
  flex: 1 1 400px;
  min-width: 350px;
}
.contact-info h2 {
  font-size: 36px;
  color: #1a1a1a;
  margin: 0 0 15px 0;
  font-weight: 600;
  letter-spacing: 2px;
}
.contact-info > p {
  font-size: 16px;
  color: #666;
  margin: 0 0 40px 0;
  line-height: 1.8;
}
/* 信息列表布局 */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
/* 单条信息项 */
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}
/* 【图标预留位置】 */
.info-icon {
  width: 40px;
  height: 40px;
  background: #1a1a1a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.info-icon img {
  width: 100%;
  height: 100%;
  display: block;
}
.info-item h3 {
  font-size: 18px;
  color: #1a1a1a;
  margin: 0 0 8px 0;
  font-weight: 600;
}
.info-item p {
  font-size: 16px;
  color: #333;
  margin: 0;
  line-height: 1.6;
}
.info-item a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}
/* 右侧二维码区 */
.contact-qrcode {
  flex: 1 1 300px;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
/* 双二维码并排容器 */
.qrcode-wrapper {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
/* 方形二维码 */
.qrcode-square {
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
/* 圆形二维码 */
.qrcode-round {
  background: #fff;
  padding: 15px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}
.qrcode-square img,
.qrcode-round img {
  display: block;
  width: 200px;
  height: 200px;
  object-fit: cover;
}
.contact-qrcode > p {
  font-size: 14px;
  color: #666;
  text-align: center;
}
/* 品牌logo */
.brand-logo {
  margin-top: 10px;
  opacity: 0.8;
}
.brand-logo img {
  width: 80px;
  height: auto;
}
/* 产品概念图区域 */
.product-concept {
  max-width: 1200px;
  margin: 80px auto 0;
  text-align: center;
}
.product-concept img {
  width: 100%;
  max-width: 1000px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
}
/* ———————————— 交互动效 ———————————— */
.info-item a:hover {
  color: #000;
  text-decoration: underline;
}
.info-item:hover .info-icon {
  transform: scale(1.1);
  background: #333;
}
/* ———————————— 移动端适配 ———————————— */
@media (max-width: 768px) {
  .contact-section {
    padding: 50px 15px;
  }

  .contact-info h2 {
    font-size: 28px;
    text-align: center;
  }

  .contact-info > p {
    text-align: center;
  }

  .contact-container {
    gap: 40px;
  }

  .qrcode-wrapper {
    gap: 20px;
  }

  .qrcode-square img,
  .qrcode-round img {
    width: 160px;
    height: 160px;
  }

  .product-concept {
    margin-top: 50px;
  }
}

@media (max-width: 480px) {
  .qrcode-square img,
  .qrcode-round img {
    width: 140px;
    height: 140px;
  }
}
/* --------------------------------- 联系我们--end -------------------------------------- */

/* ------------------------ 响应式：移动端适配（768px以下）--start -------------------------- */
@media (max-width: 768px) {
  /* 隐藏PC端顶部导航 */
  .top-nav-wrap {
    display: none;
  }

  /* 显示移动端搜索按钮 */
  .mobile-search-btn {
    display: block;
  }

  /* 隐藏导航内的搜索项 */
  .search-icon {
    display: none !important;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    height: 100vh;
    overflow: scroll;
    background-color: #000;
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
    padding: 20px 20px 20px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .m-menu {
    width: 100%;
  }
  .m-menu .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
  }
  .m-menu .logo img {
    height: 40px;
    width: auto;
  }
  /* 显示汉堡菜单 */
  .hamburger {
    display: block;
  }

  /* 导航展开状态 */
  .main-nav.active {
    transform: translateX(0);
  }

  /* 移动端主导航样式 */
  .main-nav > li {
    width: 100%;
    margin: 10px 0;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
  }
  .main-nav > li.snav {
    width: 40%;
    display: block;
    position: absolute;
    left: 20px;
    bottom: 50px;
    border-bottom: none;
    font-size: 14px;
    margin: 0;
  }
  .main-nav > li.snav:last-of-type {
    left: auto;
    right: 20px;
  }
  /* 语言切换按钮（第三个 snav，自动成为 last-of-type 靠右） */
  .main-nav > li.lg-switch-item {
    width: auto;
  }
  /* 加了切换按钮后，联系我们不再自动靠右，显式定位（自适应宽度避免与新闻中心重叠） */
  .main-nav > li.snav.snav-contact {
    left: auto;
    right: 60px;
    width: auto;
  }
  /* 移动端下拉菜单 - 重置PC端动画 */
  .dropdown {
    position: static;
    width: 100%;
    height: auto;
    padding: 10px 0 0 20px;
    opacity: 1;
    visibility: visible;
    display: none;
    transition: none;
  }

  .main-nav > li:hover .dropdown {
    padding: 10px 0 0 20px;
  }

  .dropdown-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 移动端子导航展开 */
  .main-nav > li.active .dropdown {
    display: block;
    height: fit-content;
  }

  /* 移动端搜索盒子适配 */
  .search-container {
    width: 85%;
  }

  .search-input {
    height: 50px;
    font-size: 18px;
  }

  .search-close {
    right: 7.5%;
  }

  /* 移动端板块 */
  .pc {
    display: none;
  }
  .moblie {
    display: block;
  }

  .text-side {
    padding: 0px 32px;
    margin-bottom: 0;
    min-height: auto;
    max-width: 340px;
    transform: none;
    top: 30px;
  }
  #company .text-side {
    transform: none;
    top: 75px;
    max-width: 350px;
  }
  .section-title {
    font-size: 22px;
    line-height: 30px;
    margin-bottom: 20px;
  }
  .section-desc {
    font-size: 14px;
    margin-bottom: 16px;
  }
  .name-image {
      height: 40px;
      width: auto;
      margin-bottom: 20px;
  }
  .section-name {
    font-size: 24px;
    line-height: normal;
    margin-bottom: 20px;
  }
  /* 首页板块左上文案整体适当缩小，减少对背景图产品的遮挡 */
  :where(.page-section) .name-image {
    height: 32px;
    margin-bottom: 14px;
  }
  :where(.page-section) .section-name {
    font-size: 18px;
    margin-bottom: 12px;
  }
  :where(.page-section) .section-title {
    font-size: 17px;
    line-height: 23px;
    margin-bottom: 12px;
  }
  .video-wrap {
    padding: 0 32px;
    gap: 20px;
  }
  /* 首页板块：视频按钮移到右上角竖排显示（与左上文案相对），沿用电脑端按钮样式缩小 */
  .page-section .video-wrap {
    display: flex !important;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 8px;
    left: auto;
    right: 10px;
    top: 30px;
    bottom: auto;
    width: auto;
    padding: 0;
    transform: none;
  }
  .page-section .video-btn {
    padding: 5px 12px;
    font-size: 12px;
    letter-spacing: 1px;
  }
  /* 产品大图 */
  .cpdt1 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/1_m.jpg") no-repeat center center / cover;
  }
  .cpdt2 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/2_m.jpg") no-repeat center center / cover;
  }
  .cpdt3 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/3_m.jpg") no-repeat center center / cover;
  }
  .cpdt4 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/4_m.jpg") no-repeat center center / cover;
  }
  .cpdt5 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/5_m.jpg") no-repeat center center / cover;
  }
  .cpdt6 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/6_m.jpg") no-repeat center center / cover;
  }
  .cpdt7 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/7_m.jpg") no-repeat center center / cover;
  }
  .cpdt8 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/8_m.jpg") no-repeat center center / cover;
  }
  .cpdt9 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/9_m.jpg") no-repeat center center / cover;
  }
  .cpdt10 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/10_m.jpg") no-repeat center center / contain;
  }
  .cpdt11 {
    aspect-ratio: 43 / 80;
    height: auto;
    background: url("/static/images/产品大图/11_m.jpg") no-repeat center center / cover;
  }

  /* 公司介绍 */
  #company {
    background: url("/static/images/a1_m.jpg") no-repeat center center / cover;
  }

  .company-info1 {
    height: 800px;
    background: url("/static/images/a1_m.jpg") no-repeat center center / cover;
  }
  .company-info1 .text-side,
  .company-info2 .text-side,
  .company-info3 .text-side {
    max-width: none;
    position: static;
    padding: 50px 20px 0;
  }
  .company-info1 .section-desc {
    font-size: 14px;
    max-width: none;
  }
  .company-info2 .section-desc,
  .company-info3 .section-desc {
    font-size: 15px;
  }
  .company-info2 .section-desc span {
    font-size: 18px;
    font-weight: 600;
  }
  .company-info0 {
    height: 800px;
    background: url("/static/images/about0_m.jpg") no-repeat center center /
      cover;
  }
  .company-info0 .pinpai-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: absolute;
    left: 28px;
    bottom: 32px;
    color: #333;
  }
  .company-info0 .pinpai-left .left-group {
    display: grid;
    grid-template-columns: 12px 1fr;
    grid-template-rows: auto;
  }
  .company-info0 .pinpai-left .group-dot {
    font-size: 20px;
    font-weight: bold;
  }
  .company-info0 .pinpai-left .group-title {
    font-size: 14px;
  }
  .company-info0 .pinpai-left .group-desc {
    font-size: 10px;
  }
  .company-info0 .pinpai-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 90px;
    color: #333;
    width: 100%;
  }
  .company-info0 .pinpai-right .right-group {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .company-info0 .pinpai-right .group-title {
    font-size: 20px;
    font-weight: bold;
  }
  .company-info0 .pinpai-right .group-desc {
    font-size: 14px;
    font-weight: bold;
  }
  .company-info0 .pinpai-right .group-title.s {
    font-size: 12px;
    font-weight: normal;
  }
  .company-info0 .pinpai-right .group-desc.s {
    font-size: 8px;
    font-weight: normal;
  }
  .company-info2 {
    height: 800px;
    background: url("/static/images/about2_m.jpg") no-repeat center center /
      cover;
  }
  .company-info3 {
    height: 800px;
    background: url("/static/images/about3_m.jpg") no-repeat center center /
      cover;
  }
  .company-info5 {
    height: 800px;
  }
  .company-info4,
  .company-info6 {
    height: auto;
    background: url("/static/images/about4_m.jpg") no-repeat center center /
      cover;
  }
  .company-info4 .dasai-images {
    margin-top: 20px;
    padding-bottom: 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(9, 1fr);
    gap: 10px;
  }
  .company-info4 .dasai-images .item4 {
    grid-column: 1 / 3;
    grid-row: 1 / 4;
  }
  .company-info4 .dasai-images .item1 {
    grid-column: 1 / 2;
    grid-row: 4 / 6;
  }
  .company-info4 .dasai-images .item2 {
    grid-column: 1 / 2;
    grid-row: 6 / 8;
  }
  .company-info4 .dasai-images .item3 {
    grid-column: 1 / 2;
    grid-row: 8 / 10;
  }
  .company-info4 .dasai-images .item5 {
    grid-column: 2 / 3;
    grid-row: 4 / 6;
  }
  .company-info4 .dasai-images .item6 {
    grid-column: 2 / 3;
    grid-row: 6 / 8;
  }
  .company-info4 .dasai-images .item7 {
    grid-column: 2 / 3;
    grid-row: 8 / 10;
  }

  /* 公司专利 和 售后服务 */
  #service .container {
    padding: 0 32px;
  }

  .service-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-item img {
    /* width: 180px;
    height: 180px; */
  }

  .service-item h3 {
    font-size: 20px;
  }

  .service-item p {
    font-size: 14px;
  }

  /* 视频容器占满移动端屏幕 */
  .video-section {
    padding: 40px 0 60px;
    min-height: auto;
  }

  .video-section .container {
    padding: 0 20px;
    height: fit-content;
  }

  .video-wrapper {
    height: 40vh;
    min-height: 350px;
    margin-bottom: 50px;
  }
  #video2 .video-wrapper,
  #video5 .video-wrapper,
  .video-wrapper.special {
    height: 80vh;
    min-height: 350px;
    margin-bottom: 50px;
  }
  .video-section .section-title {
    margin-bottom: 40px !important;
  }

  .video-wrapper.type1, .video-wrapper.type2 {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .video-wrapper.type1 > div,.video-wrapper.type2 > div {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
  }

  .video-wrapper.type1 span, .video-wrapper.type2 span {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 24px;
  }

  .video-wrapper.type1 video {
    width: 100%;
    height: auto;
    aspect-ratio: 127 / 72;
  }

  .video-wrapper.type2 video {
    width: 100%;
    height: auto;
    aspect-ratio: 45 / 80;
  }

  /* 产品卡片+购买按钮 */
  .product-card {
    position: static;
    width: 100%;
    max-width: 100%;
    padding: 20px;
  }

  .buy-btn {
    width: 100%;
    max-width: 100%;
  }

  /* 产品介绍板块 */
  .guide-text h3 {
    font-size: 20px;
  }
  .guide-text p {
    font-size: 14px;
  }

  /* 移动端底部 */
  .contact-footer {
    flex-direction: column;
    gap: 30px;
    padding: 0;
    align-items: flex-start;
  }
  .contact-footer .container {
    gap: 32px;
    padding: 32px 40px;
  }

  .contact-items {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
    width: 100%;
  }

  .contact-icon {
    width: 36px;
    height: 36px;
  }

  .contact-title {
    font-size: 18px;
  }

  .copyright {
    padding: 40px 20px;
  }

  /* 移动端分页条 */
  .pagination-wrapper {
    padding: 80px 15px 0 15px;
    margin: 40px 0 0 0;
    /* border-top: 1px solid #fafafa; */
  }

  .pagination {
    gap: 8px;
    font-size: 13px;
  }

  .pagination a,
  .pagination span {
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border-radius: 3px; /* 移动端圆角更小 */
  }

  /* 移动端隐藏过多页码，仅保留核心按钮 */
  .pagination .page-num {
    display: none;
  }

  .pagination .page-num:first-child,
  .pagination .page-num:last-child {
    display: inline-flex;
  }

  /* 移动端页码信息简化 */
  .pagination-wrapper .pagination span:last-child {
    font-size: 12px;
    margin-left: 12px;
    color: #888;
  }
}

/* ------------------------ 响应式：移动端适配（768px以下）--end -------------------------- */