/* ============================================================
   智慧巡检页面样式
   基于蓝湖导出代码优化，以1920px为基准使用vw响应式单位
   修复说明：
   1. font-weight: NaN → 替换为合法值 400 / 500 / 700
   2. line-height: 5px → 修正为合理行高
   3. text-align: justifyLeft → 修正为 justify
   4. 添加响应式断点：桌面(1920px) / 平板(≤1024px) / 手机(≤768px)
   5. 删除冗余固定宽度，改为弹性布局
   ============================================================ */

/* ============================================================
   智慧巡检当前页导航项样式
   使用 nav_item_cur 替代 nav_item，避免 heder.js 按 index 误触下拉菜单
   外观与 .navto .nav_item 保持完全一致
   ============================================================ */
.navto .nav_item_cur {
  padding: 8px 20px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.1s;
  margin-right: 14px;
}

/* 智慧巡检当前页激活态——与 .activate 保持一致 */
.navto .nav_item_cur {
  background: #0049B9;
  border-radius: 4px;
}

.navto .nav_item_cur .a {
  color: #fff !important;
}

/* ============================================================
     全局重置与基础工具类
     ============================================================ */
.xj-page * {
  box-sizing: border-box;
  flex-shrink: 0;
}

.xj-page {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #212931;
  background-color: #fff;
  width: 100%;
  max-width: 1920px;
  /* 蓝湖设计稿宽度上限，超宽屏居中不拉伸 */
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  /* 修复：header_box 为 fixed 定位，高度 80px。
       与 smart-city 保持一致，用 padding-top 而非 margin-top，
       避免 body{height:100%} 时 margin 折叠失效问题 */
  padding-top: 80px;
}

/* Flex 工具类 */
.xj-flex-col {
  display: flex;
  flex-direction: column;
}

.xj-flex-row {
  display: flex;
  flex-direction: row;
}

.xj-justify-between {
  justify-content: space-between;
}

.xj-justify-center {
  justify-content: center;
}

.xj-align-center {
  align-items: center;
}

/* ============================================================
     § 1  英雄 Banner 区块 - AIOT·智慧巡检
     修复说明：原设计用 background-size:100% 100% + position:100%（右对齐）
     确保整张背景图完整铺满容器，机器人不被裁切
     ============================================================ */
.xj-hero {
  /* 背景图：蓝湖 20dc38d275fd03d950be1cacba941ff2.png */
  background-image: url(../images/xunjian/hero-bg.png);
  background-repeat: no-repeat;
  background-position: right center;
  /* 与原设计 100% 对齐一致，保证右侧机器人完整 */
  background-size: 100% 100%;
  /* 拉伸填充整个容器，像素级还原设计稿 */
  width: 100%;
  height: 39.58vw;
  /* 760px ÷ 1920px = 39.58vw */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
}

/* 主标题：AIOT · 智慧巡检 */
.xj-hero {
  background: none;
  overflow: hidden;
  isolation: isolate;
}

.xj-hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.xj-hero__slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 42, 112, 0.72) 0%, rgba(16, 71, 164, 0.42) 40%, rgba(10, 26, 60, 0.18) 100%);
  z-index: 1;
}

.xj-hero__slide {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: right center;
  background-size: 100% 100%;
  opacity: 0;
  transition: opacity 0.9s ease;
  will-change: opacity;
}

.xj-hero__slide--active {
  opacity: 1;
}

.xj-hero__title,
.xj-hero__subtitle-bar,
.xj-hero__desc,
.xj-hero .xj-btn-consult {
  position: relative;
  z-index: 2;
}

.xj-hero__title {
  color: #fff;
  font-size: 4.17vw;
  /* 80px */
  font-family: "Source Han Sans CN", "Microsoft YaHei", sans-serif;
  font-weight: 900;
  text-align: left;
  /* 修复：原设计为左对齐，非居中 */
  line-height: 1.2;
  margin: 10.52vw 0 0 15.68vw;
  /* 202px 0 0 301px */
  white-space: nowrap;
}

/* 副标题栏：蓝色竖线 + 文字 */
.xj-hero__subtitle-bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 2.86vw 0 0 15.68vw;
  /* 55px 0 0 301px */
}

/* 左侧强调色竖线 */
.xj-hero__accent-line {
  background-color: #57EEFA;
  width: 0.21vw;
  /* 4px */
  height: 1.46vw;
  /* 28px */
  flex-shrink: 0;
}

/* 副标题文字 */
.xj-hero__subtitle {
  color: #fff;
  font-size: 1.56vw;
  /* 30px */
  font-weight: 700;
  line-height: 1.3;
  margin-left: 0.52vw;
  white-space: nowrap;
}

/* 描述文字：获取方案、免费报价 */
.xj-hero__desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25vw;
  /* 24px */
  font-weight: 400;
  line-height: 1.3;
  margin: 2.76vw 0 0 15.83vw;
  /* 53px 0 0 304px */
}

/* 立即咨询按钮 */
.xj-btn-consult {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  background-color: #0049B9;
  border-radius: 25px;
  width: 9.38vw;
  /* 180px */
  height: 2.60vw;
  /* 50px */
  margin: 2.76vw 0 0 15.78vw;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  transition: background-color 0.2s ease;
}

a.xj-btn-consult:link,
a.xj-btn-consult:visited {
  background-color: #0049B9;
}

.xj-btn-consult:hover,
a.xj-btn-consult:hover {
  background-color: #003d9e;
}

/* 按钮文字 */
.xj-btn-consult__text {
  color: #fff;
  font-size: 0.94vw;
  /* 18px */
  font-weight: 700;
  white-space: nowrap;
  margin-left: 2.13vw;
}

/* 按钮右侧圆形箭头图标 */
.xj-btn-consult__icon {
  background-color: #fff;
  border-radius: 50%;
  width: 2.29vw;
  /* 44px */
  height: 2.29vw;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1.09vw;
  flex-shrink: 0;
}

.xj-btn-consult__icon img {
  width: 0.84vw;
  height: 0.89vw;
}

/* ============================================================
     § 2  通用区块标题样式（各模块共用）
     ============================================================ */
.xj-section-title {
  text-align: center;
  font-family: "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.875vw;
  /* 36px ÷ 1920px */
  font-weight: 700;
  color: #212931;
  line-height: 2.396vw;
  /* 46px ÷ 1920px，精确还原设计稿行高 */
  white-space: nowrap;
}

.xj-section-subtitle {
  text-align: center;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 1.042vw;
  /* 20px ÷ 1920px */
  font-weight: 400;
  color: #40464C;
  line-height: 1;
  /* 设计稿 height:20px = font-size:20px，行高与字号相等 */
  margin-top: 1.04vw;
  /* 20px */
  white-space: nowrap;
}

/* 白色标题（用于深色背景区块） */
.xj-section-title--white {
  color: #fff;
}

.xj-section-subtitle--white {
  color: rgba(255, 255, 255, 0.85);
}

/* ============================================================
     § 3  全场景解决方案（功能Tab + 内容区）
     ============================================================ */
.xj-solution {
  width: 100%;
  padding: 0 0 5.21vw;
}

/* 区块标题 */
.xj-solution__heading {
  margin: 4.64vw 0 0;
  /* 89px 0 0 */
  text-align: center;
}

.xj-solution__desc {
  text-align: center;
  font-size: 1.04vw;
  font-weight: 400;
  color: #40464C;
  margin: 1.04vw 0 0;
}

/* 整体内容包裹：侧边栏改为 fixed 后，body 只需居中主内容 */
.xj-solution__body {
  width: 68.75vw;
  /* 1320px ÷ 1920px，与原 main 宽度一致 */
  margin: 0.73vw auto 0;
  padding: 0;
}

/* 主内容区 */
.xj-solution__main {
  width: 100%;
  display: flex;
  flex-direction: column;
  margin-top: 1.93vw;
}

/* Tab 导航栏 */
.xj-tabs {
  background-color: #F7F9FC;
  border-radius: 30px;
  width: 100%;
  box-sizing: border-box;
  height: 3.13vw;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  /* 两端对齐 */
  overflow: hidden;
  padding: 0.26vw;
}

.xj-tabs__item {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.84vw;
  font-weight: 700;
  color: #32373C;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
  border-radius: 30px;
  flex: 1;
  /* 均分宽度 */
  text-align: center;
}

.xj-tabs__item--active {
  background-color: #0049B9;
  color: #fff !important;
  /* 覆盖 hover 颜色 */
}

.xj-tabs__item:not(.xj-tabs__item--active):hover {
  color: #0049B9;
}

/* Tab 内容：图片 + 描述 */
.xj-solution__content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  /* 右侧文字与左侧截图垂直居中对齐 */
  width: 68.49vw;
  /* 1315px */
  margin-top: 2.60vw;
}

/* 截图区 */
.xj-solution__screenshot {
  background-color: #40464C;
  border-radius: 20px;
  border: 4px solid #F7F9FC;
  width: 36.46vw;
  /* 700px */
  height: 20.52vw;
  /* 394px */
  overflow: hidden;
  flex-shrink: 0;
}

.xj-solution__screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 右侧文字说明 */
.xj-solution__info {
  width: 29.95vw;
  display: flex;
  flex-direction: column;
}

.xj-solution__info-lead {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.833vw;
  /* 16px ÷ 1920px */
  font-weight: 700;
  color: #202835;
  line-height: 1.875;
  /* 30px ÷ 16px */
}

/* 列表条目 */
.xj-solution__info-list {
  display: flex;
  flex-direction: row;
  margin-top: 2.29vw;
}

/* 时间轴容器：橙色顶点 + 橙色竖线 + 蓝色底点 */
.xj-solution__info-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 1.04vw;
  /* 约20px */
  flex-shrink: 0;
}

/* 公共圆点：14×14px 白底带彩色描边 */
.xj-divider-dot {
  width: 14px;
  height: 14px;
  background: #FFFFFF;
  border-radius: 50%;
  flex-shrink: 0;
  display: block;
}

/* 顶部橙色圆点 */
.xj-divider-dot--orange {
  border: 4px solid #FF5F28;
}

/* 底部蓝色圆点 */
.xj-divider-dot--blue {
  border: 4px solid #0049B9;
}

/* 中间竖线：虚线，颜色 #445066，自动撑满两圆点之间的高度 */
.xj-divider-line {
  flex: 1;
  width: 0;
  border-left: 1px dashed #445066;
  display: block;
  /* 不设 min-height，由 flex:1 自动撑满两圆点之间的实际高度，
       确保虚线与右侧文字等高，文字多线长、文字少线短 */
}

.xj-solution__info-items {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 0.729vw;
  /* 14px ÷ 1920px */
  font-weight: 400;
  color: #445066;
  line-height: 2.143;
  /* 30px ÷ 14px（tab1 默认行高） */
}

/* tab3 设备全生命周期管理：设计稿行高 34px（34÷14=2.429），单独覆盖 */
#tab3 .xj-solution__info-items {
  line-height: 2.429;
  /* 34px ÷ 14px */
}

/* tab6 系统基础管理：左右保留细边，上下撑满容器，高度稍微拉伸填满 */
#tab6 .xj-solution__screenshot {
  background-color: #eef0f4;
  padding: 0 0.31vw;
  /* 仅保留左右约6px，上下不留边 */
  display: flex;
  align-items: center;
  justify-content: center;
}

#tab6 .xj-solution__screenshot img {
  width: 100%;
  height: 100%;
  /* 上下撑满容器 */
  object-fit: fill;
  /* 左右不变，上下稍微拉伸填满 */
  border-radius: 6px;
}

/* ============================================================
     § 4  右侧固定悬浮操作栏（免费技术咨询 / 获取解决方案 / 在线留言）
     position: fixed 脱离文档流，随页面滚动始终可见
     ============================================================ */

/* 基础容器 */
.xj-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 主体胶囊卡片 */
.xj-sidebar__card {
  background: #fff;
  border-radius: 100px;
  /* 侧边栏保持圆润胶囊状 */
  width: 64px;
  padding: 16px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 每一项的通用样式 */
.xj-sidebar__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  cursor: pointer;
  transition: all 0.3s;
}

/* 图标背景圆圈 */
.xj-sidebar__icon-wrap {
  background-color: #F7F9FC;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.xj-sidebar__icon-wrap img {
  width: 20px;
  height: 1.6vw;
  transition: all 0.3s;
}

/* 文字标签 */
.xj-sidebar__label {
  font-size: 12px;
  color: #202835;
  text-align: center;
  line-height: 1.4;
  margin-top: 6px;
}

/* 分隔线 */
.xj-sidebar__divider {
  width: 40px;
  height: 1px;
  background-color: #E8ECF2;
  margin: 12px 0;
}

/* =========================================
   弹出层通用逻辑 (电话和二维码)
   ========================================= */
.xj-sidebar__pop-box {
  position: absolute;
  right: 120%;
  /* 距离侧边栏主体留出一定呼吸空间 */
  top: 50%;
  /* 垂直居中，并初始向右位移 20px 用于动画 */
  transform: translateY(-50%) translateX(20px);
  background: #ffffff;
  /* 阴影调淡一点，更高级 */
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  /* 缓动动画让弹出更顺滑 */
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  pointer-events: none;
  z-index: 100;
}

/* 悬停触发显示 */
.xj-sidebar__item--pop:hover .xj-sidebar__pop-box {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* 悬停变色逻辑 */
.xj-sidebar__item:hover .xj-sidebar__icon-wrap {
  background-color: #0049B9 !important;
}

.xj-sidebar__item:hover .xj-sidebar__icon-wrap img {
  filter: brightness(0) invert(1);
}

.xj-sidebar__item:hover .xj-sidebar__label {
  color: #0049B9;
}

/* --- 二维码特有样式 */
.xj-sidebar__qr-pop {

  padding: 16px 8px 10px;

  width: 130px;


  border-radius: 4px;

  border: 1px solid #ebeef5;
  text-align: center;
}

.xj-sidebar__qr-pop img {
  width: 110px;
  height: auto;
  display: block;
  margin-bottom: 0 auto 8px;
}

.xj-sidebar__qr-pop p {

  font-size: 12px;
  color: #333;
  margin: 0;
  white-space: nowrap;
  text-align: center;
}

/* --- 电话卡片特有样式 --- */
.xj-sidebar__phone-pop {
  padding: 1.2vw 1.8vw;
  border-radius: 8px;
  white-space: nowrap;
}

.xj-sidebar__phone-num {
  font-size: 14px;
  font-weight: bold;
  color: #0049B9;
  margin-left: 0.5vw;
}

/* 返回顶部按钮 */
.xj-sidebar__top-btn {
  width: 40px;
  height: 40px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  cursor: pointer;
  transition: all 0.3s;
}

.xj-sidebar__top-btn img {
  width: 14px;
}

.xj-sidebar__top-btn:hover {
  background: #0049B9;
}

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

/* ============================================================
     § 5  六大核心优势区块（深色背景 + 6张卡片）
     ============================================================ */
.xj-advantages {
  /* 背景图：ec2927e830f4e4105f256c278041e267.png */
  background: url(../images/xunjian/advantages-bg.png) center/cover no-repeat;
  width: 100%;
  height: 49.12vw;
  /* 943px */
  margin-top: 6.72vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 卡片网格容器 */
.xj-advantages__grid {
  width: 68.75vw;
  margin-top: 3.33vw;
}

.xj-advantages__row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 1.09vw;
}

.xj-advantages__row+.xj-advantages__row {
  margin-top: 1.04vw;
}

/* 单张优势卡片 */
.xj-adv-card {
  background-color: #fff;
  border-radius: 20px;
  width: 22.19vw;
  /* 426px */
  min-height: 13.91vw;
  /* 267px */
  display: flex;
  flex-direction: column;
  padding: 1.77vw 2.03vw 2.50vw;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.xj-adv-card:hover {
  box-shadow: 0 8px 24px rgba(0, 73, 185, 0.15);
  transform: translateY(-2px);
}

/* 卡片顶部：序号 + 图标 */
.xj-adv-card__header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 0.94vw;
}

.xj-adv-card__number {
  font-size: 1.25vw;
  /* 24px */
  font-weight: 700;
  color: #202835;
  line-height: 1.2;
  font-family: "Source Han Sans CN", sans-serif;
}

.xj-adv-card__icon {
  width: 3.13vw;
  /* 60px */
  height: 3.13vw;
  object-fit: contain;
}

/* 卡片标题 */
.xj-adv-card__title {
  font-size: 1.25vw;
  /* 24px */
  font-weight: 700;
  color: #0049B9;
  line-height: 1.3;
  font-family: "Source Han Sans CN", sans-serif;
  margin-bottom: 0.99vw;
}

/* 卡片正文 */
.xj-adv-card__body {
  font-size: 0.84vw;
  /* 16px */
  font-weight: 400;
  color: #202835;
  line-height: 1.5;
  /* 24px */
  font-family: "Source Han Sans CN", sans-serif;
}

/* ============================================================
     § 6  工业巡检全场景覆盖
     ============================================================ */
.xj-scenarios {
  width: 100%;
  padding: 0 0 6.25vw;
}

.xj-scenarios__heading {
  margin: 5.16vw 0 0;
  text-align: center;
}

.xj-scenarios__desc {
  text-align: center;
  font-size: 1.15vw;
  font-weight: 400;
  color: #32373C;
  margin: 1.04vw 0 0;
}

/* 主内容行：左侧大图 + 中间详情 + 右侧列表 */
.xj-scenarios__body {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 68.70vw;
  /* 1319px */
  margin: 2.76vw auto 0;
  gap: 1.35vw;
}

/* 可切换内容区（左图+中间信息），占满右侧列表之外的剩余空间 */
.xj-scenarios__content {
  flex: 1;
  min-width: 0;
}

/* 单个场景面板：左图+右侧信息横排；整行高度不超过左图 500px（避免某场景文案换行多把整块撑高） */
.xj-scenario-panel {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  /* 改为 stretch */
  gap: 1.35vw;
  width: 100%;
}

/* 左侧场景大图 */
.xj-scenarios__main-img {
  width: min(32.50vw, 624px);
  height: min(26.04vw, 500px);
  /* 确保图片有足够高度 */
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  align-self: stretch;
  /* 改为 stretch，撑满面板高度 */
}

/* 中间信息列：限高与左图一致，超出内部滚动 */
.xj-scenarios__info {
  width: 21.98vw;
  max-width: 422px;
  max-height: min(26.041667vw, 500px);
  box-sizing: border-box;
  padding-top: 2.29vw;
  margin-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.xj-scenarios__info-group {
  margin-bottom: 1.5vw;
  /* 原来是 4.32vw，改小 */
}

.xj-scenarios__info-group:last-of-type {
  margin-bottom: 0;
}

.xj-scenarios__info-label {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 1.042vw;
  /* 20px ÷ 1920px */
  font-weight: 700;
  color: #202835;
  line-height: 1;
  /* 设计稿 height:20px = font-size:20px */
  margin-bottom: 0.73vw;
  /* 14px ÷ 1920px，标签与描述间距 */
}

.xj-scenarios__info-text {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 0.833vw;
  /* 16px ÷ 1920px */
  font-weight: 400;
  color: #202835;
  line-height: 1;
  /* 设计稿 height:17px ≈ font-size:16px */
}

/* 立即咨询按钮（场景区内） */
.xj-scenarios__btn {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  background-color: #0049B9;
  border-radius: 25px;
  width: 9.38vw;
  height: 2.60vw;
  margin-top: 2.5vw;
  /* 原来是 4.12vw，改小 */
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  transition: background-color 0.2s ease;
  flex-shrink: 0;
}

/* 修复：common.css a:link { background:none } 优先级(0-1-1) 覆盖按钮背景
     加上 a.xj-scenarios__btn:link/visited 提升至(0-2-1) */
a.xj-scenarios__btn:link,
a.xj-scenarios__btn:visited {
  background-color: #0049B9;
}

.xj-scenarios__btn:hover,
a.xj-scenarios__btn:hover {
  background-color: #003d9e;
}

.xj-scenarios__btn-text {
  color: #fff;
  font-size: 0.84vw;
  font-weight: 400;
  white-space: nowrap;
  margin-left: 2.29vw;
}

.xj-scenarios__btn-icon {
  background-color: #fff;
  border-radius: 50%;
  width: 2.29vw;
  height: 2.29vw;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1.30vw;
  flex-shrink: 0;
}

/* 右侧场景列表卡片：固定 188×500，Grid 六行等高，避免激活项变高撑开整列 */
.xj-scenarios__list {
  box-sizing: border-box;
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  /* 大屏下 vw 会超过设计稿 188×500，用 min 封顶 */
  width: min(9.791667vw, 220px);
  height: min(26.041667vw, 500px);
  display: grid;
  /* 六行均分剩余高度，底行固定给「···」（约 48px） */
  grid-template-rows: repeat(6, minmax(0, 1fr)) clamp(40px, 2.5vw, 48px);
  margin-left: 3.07vw;
  flex-shrink: 0;
  align-self: start;
}

/* 场景条目（默认/未激活） */
.xj-scenarios__list-item {
  box-sizing: border-box;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 0.833vw;
  /* 16px ÷ 1920px */
  font-weight: 400;
  color: #202835;
  text-align: center;
  line-height: 1.2;
  width: 100%;
  min-height: 0;
  min-width: 0;
  padding: 0 0.42vw;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #E8ECF2;
  position: relative;
}

/* 标签文字单行；极窄时省略号 */
.xj-scenarios__list-text {
  display: block;
  min-width: 0;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 激活态：放大字体，单行，加大内边距 */
.xj-scenarios__list-item--active {
  background-color: #0049B9;
  color: #fff !important;
  font-size: 0.938vw;
  /* 放大但不过大 */
  font-weight: 600;
  padding: 0 0.83vw;
  /* 左右加大内边距 */
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.31vw;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  white-space: nowrap;
  /* 强制单行 */
  overflow: hidden;
  text-overflow: ellipsis;
}

.xj-scenarios__list-item--active .xj-scenarios__list-text {
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: inherit;
}

/* 激活项内的箭头图标 */
.xj-scenarios__list-arrow {
  width: clamp(12px, 0.833vw, 16px);
  height: auto;
  flex-shrink: 0;
}

/* 底部「···」 */
.xj-scenarios__more {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: min(36px, 1.875vw);
  font-weight: 400;
  color: #202835;
  text-align: center;
  line-height: 1;
  letter-spacing: 0.02em;
  padding: 0;
  margin: 0;
}

/* ============================================================
     § 7  AIoT 全栈技术架构区块（浅灰底色）
     ============================================================ */
.xj-architecture {
  background-color: #F7F9FC;
  border-radius: 40px 0 0 40px;
  width: 100%;
  padding: 5.21vw 0 2.50vw;
}

.xj-architecture__title {
  font-size: 1.88vw;
  font-weight: 700;
  color: #212931;
  text-align: center;
  line-height: 1.3;
  white-space: nowrap;
}

.xj-architecture__subtitle {
  font-size: 1.15vw;
  font-weight: 400;
  color: #32373C;
  text-align: center;
  line-height: 1.3;
  margin-top: 1.04vw;
  white-space: nowrap;
}

/* 架构图图片 */
.xj-architecture__img {
  display: block;
  width: 57.03vw;
  /* 1095px */
  margin: 3.18vw auto 2.50vw;
}

/* ============================================================
     § 8  众多客户的共同选择（案例区块）
     ============================================================ */
.xj-cases {
  /* 背景图：3b2602ac25026fb4c5fc84c5ce33c000.png */
  background: url(../images/xunjian/cases-bg.png) center/cover no-repeat;
  width: 100%;
  padding: 5.21vw 0 6.77vw;
}

/* 案例卡片区 */
.xj-cases__card-row {
  display: flex;
  flex-direction: row;
  width: 68.70vw;
  margin: 3.33vw auto 0;
  gap: 2.5vw;
  align-items: center;
}

/* 案例截图 */
.xj-cases__screenshot {
  width: 32.40vw;
  height: 21.30vw;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}

/* 案例信息 */
.xj-cases__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  /* 占满剩余宽度 */
}

.xj-cases__badge-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.78vw;
}

.xj-cases__badge-icon {
  width: 1.56vw;
  height: 1.41vw;
}

.xj-cases__badge-line {
  flex: 1;
  height: 1px;
  background-color: #C8CDCF;
  min-width: 0;
}

.xj-cases__name {
  font-size: 1.25vw;
  font-weight: 700;
  color: #202835;
  line-height: 1.3;
  margin: 1.92vw 0 0;
}

/* 行业标签 */
.xj-cases__tag {
  display: inline-block;
  background-color: rgba(106, 139, 248, 0.1);
  border-radius: 4px;
  padding: 0.41vw 0.63vw;
  font-size: 0.84vw;
  color: #0049B9;
  font-weight: 400;
  margin: 1.19vw 0 0;
}

.xj-cases__desc {
  font-size: 0.84vw;
  font-weight: 400;
  color: #202835;
  line-height: 1.875;
  margin: 1.77vw 0 0;
  max-width: 100%;
  /* 改为 100%，跟随父容器宽度 */
}

/* 指示点导航 */
.xj-cases__pagination {
  display: flex;
  flex-direction: row;
  width: 68.70vw;
  margin: 3.64vw auto 0;
  gap: 0.47vw;
}

.xj-cases__dot {
  border-radius: 10px;
  width: 8.18vw;
  height: 5.06vw;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.xj-cases__dot:hover {
  opacity: 0.8;
}


/* 缩略图行 */
.xj-cases__thumbs {
  display: flex;
  flex-direction: row;
  width: 68.70vw;
  margin: 2.08vw auto 0;
  gap: 0.78vw;
}

.xj-cases__thumb {
  flex: 1;
  height: 6.25vw;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s ease;
  opacity: 0.6;
}

.xj-cases__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.xj-cases__thumb--active {
  border-color: #0049B9;
  opacity: 1;
}

.xj-cases__thumb:hover {
  opacity: 0.9;
}

/* 箭头按钮 */
.xj-cases__arrow-btn {
  background: #E0E0E0;
  border-radius: 50%;
  width: 3.13vw;
  height: 3.13vw;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.xj-cases__arrow-btn--active {
  background: #0049B9;
}

.xj-cases__arrow-btn:hover {
  background: #0049B9;
}

.xj-cases__arrow-btn:hover img {
  filter: brightness(10);
}

/* ============================================================
     § 9  按需定制解决方案（深色区块）
     ============================================================ */
.xj-custom {
  background-color: #182441;
  border-radius: 0 40px 40px 0;
  width: 100%;
  padding: 5.21vw 0 5.21vw;
  ;
}

/* 500+ 与卡片右边对齐，顶部对齐 */
.xj-custom__header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  width: 68.64vw;
  margin: 0 auto;
}

.xj-custom__title {
  font-size: 1.88vw;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  white-space: nowrap;
}

/* 数字（500+） */
.xj-custom__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.xj-custom__stat-num {
  font-size: 2.08vw;
  /* 40px */
  font-weight: 700;
  color: #60A5FA;
  line-height: 1.2;
}

.xj-custom__stat-label {
  font-size: 0.94vw;
  /* 18px */
  font-weight: 500;
  color: #ABB5C2;
  line-height: 1.3;
  text-align: right;
}

/* 说明文字 + 三列卡片 */
/* .xj-custom__body {
    display: flex;
    flex-direction: row;
    width: 68.64vw;
    margin: 2.66vw auto 0;
    gap: 1.57vw;
    align-items: flex-start;
  } */

.xj-custom__body {
  display: flex;
  flex-direction: row;
  width: 68.64vw;
  margin: 2.66vw auto 0;
  gap: 3.13vw;
  /* 60px，设计稿左右间距 */
  align-items: flex-start;
}

/* 左侧说明文字 */
.xj-custom__intro {
  width: 19.74vw;
  flex-shrink: 0;
}

.xj-custom__intro-bar {
  background-color: #92B1DE;
  border-radius: 2px;
  width: 5.73vw;
  height: 0.26vw;
}

/* .xj-custom__intro-text {
    font-size: 1.04vw;
    font-weight: 700;
    color: #fff;
    line-height: 2.40; /* 46px 对应 20px */
/* margin-top: 3.80vw; */
/* } */

.xj-custom__intro-text {
  font-size: 0.94vw;
  /* 18px，设计稿字号 */
  font-weight: 400;
  /* 设计稿正文为 regular */
  color: rgba(255, 255, 255, 0.85);
  line-height: 2.0;
  margin-top: 1.56vw;
}

/* 4张卡片 2×2 等高网格 */
.xj-custom-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.04vw;
  flex: 1;
  min-width: 0;
}

/* 卡片统一样式，高度自动撑开保持一致 */
.xj-custom-card {
  background-color: rgba(33, 48, 85, 0.8);
  border-radius: 14px;
  border: 1px solid #394D7A;
  padding: 1.40vw 1.15vw 1.61vw;
  display: flex;
  flex-direction: column;
  min-height: 0;
  /* 去掉固定 min-height，让grid自动等高 */
}

.xj-custom-card__icon {
  width: 2.60vw;
  height: 2.60vw;
  object-fit: contain;
}

.xj-custom-card__title {
  font-size: 1.25vw;
  /* 24px */
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-top: 1.19vw;
}

.xj-custom-card__body {
  font-size: 0.84vw;
  font-weight: 400;
  color: #92B1DE;
  line-height: 1.5;
  margin-top: 1.09vw;
}

/* ============================================================
     § 10  定制服务底部功能区块（4个功能卡 + 流程）
     ============================================================ */
.xj-custom-features {
  /* 背景图：dadf2c15d6998a29160b743c31de8ffa.png */
  background: url(../images/xunjian/custom-features-bg.png) center/cover no-repeat;
  width: 100%;
  height: 35.89vw;
  margin-top: 0.16vw;
  display: flex;
  flex-direction: column;
}

/* 四列功能卡 + 咨询按钮 */
.xj-feature-row {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 68.38vw;
  margin: 1.35vw auto 0;
  gap: 1.57vw;
}

/* 咨询按钮（竖排，同hero按钮） */
.xj-feature-row .xj-btn-consult {
  margin: 7.66vw 0 0;
  flex-shrink: 0;
}

/* 功能特性卡 */
/* .xj-feature-card {
    background-color: rgba(33, 48, 85, 0.8);
    border-radius: 14px;
    border: 1px solid #394D7A;
    width: 20.47vw;
    min-height: 12.45vw;
    padding: 1.35vw 1.15vw 1.71vw;
    display: flex;
    flex-direction: column;
  }
  .xj-feature-card__icon {
    width: 2.60vw;
    height: 2.60vw;
    object-fit: contain;
  }
  .xj-feature-card__title {
    font-size: 1.25vw;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-top: 1.14vw;
  }
  .xj-feature-card__body {
    font-size: 0.84vw;
    font-weight: 400;
    color: #92B1DE;
    line-height: 1.5;
    margin-top: 1.09vw;
  } */
.xj-feature-card {
  background-color: rgba(33, 48, 85, 0.8);
  border-radius: 14px;
  border: 1px solid #394D7A;
  padding: 1.40vw 1.15vw 1.61vw;
  display: flex;
  flex-direction: column;
}

.xj-feature-card__icon {
  width: 2.60vw;
  height: 2.60vw;
  object-fit: contain;
}

.xj-feature-card__title {
  font-size: 1.25vw;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-top: 1.19vw;
}

.xj-feature-card__body {
  font-size: 0.84vw;
  font-weight: 400;
  color: #92B1DE;
  line-height: 1.5;
  margin-top: 1.09vw;
}

.xj-custom-divider {
  width: 68.85vw;
  /* 1322px ÷ 1920px */
  height: 1px;
  background: #E7EBF0;
  border: 1px solid #DCE3E9;
  opacity: 0.1;
  margin: 4.11vw auto 0;
}

/* 流程步骤：overflow:visible 防止气泡被裁切 */
.xj-process {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 67.92vw;
  margin: 4.16vw auto 5.21vw;
  overflow: visible;
  justify-content: space-between;
  /* 改为两端对齐 */
  width: 68.64vw;
  /* 与上方卡片区宽度一致 */
}

/* 流程步骤卡片 */
.xj-process__step {
  position: relative;
  background-color: #fff;
  border-radius: 14px;
  border: 1px solid #F1F5F9;
  box-shadow: 0 5px 10px 0 rgba(0, 73, 185, 0.06);
  width: 13.02vw;
  height: 8.02vw;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: visible;
  /* 关键：让气泡数字可以溢出显示 */
}

.xj-process__step-label {
  font-size: 1.25vw;
  font-weight: 700;
  color: #202835;
  line-height: 1.3;
  font-family: "Source Han Sans CN", sans-serif;
}

.xj-process__step-icon {
  width: 2.09vw;
  height: 2.09vw;
  margin-left: 1.25vw;
  object-fit: contain;
}

/* 步骤编号气泡 */
.xj-process__num {
  position: absolute;
  /* 背景图由各step单独指定 */
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.46vw;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
}

/* 步骤01：左上角气泡 */
.xj-process__step:first-child .xj-process__num {
  background-image: url(../images/xunjian/step-badge-01.png);
  width: 4.01vw;
  height: 5.63vw;
  left: -1.35vw;
  top: 1.04vw;
}

/* 步骤02 */
.xj-process__num--02 {
  background-image: url(../images/xunjian/step-badge-02.png);
  width: 3.02vw;
  height: 4.63vw;
  right: -1.20vw;
  top: 1.25vw;
}

.xj-process__num--03 {
  background-image: url(../images/xunjian/step-badge-03.png);
  width: 3.02vw;
  height: 4.63vw;
  right: -1.20vw;
  top: 1.25vw;
}

.xj-process__num--04 {
  background-image: url(../images/xunjian/step-badge-04.png);
  width: 3.02vw;
  height: 4.63vw;
  right: -1.20vw;
  top: 1.25vw;
}

/* 步骤之间的箭头 */
.xj-process__arrow {
  width: 1.98vw;
  height: 1.04vw;
  margin: 0 0.98vw;
  flex-shrink: 0;
}

/* ============================================================
     § 11  公司简介区块
     ============================================================ */
.xj-about {
  width: 100%;
  padding: 5.10vw 0;
}

.xj-about__inner {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 68.80vw;
  margin: 0 auto;
  gap: 3.46vw;
}

.xj-about__content {
  width: 31.93vw;
  display: flex;
  flex-direction: column;
}

/* 公司简介标题 */
.xj-about__title {
  font-size: 1.88vw;
  font-weight: 700;
  color: #212931;
  line-height: 1.2;
}

/* 蓝色下划线强调条 */
.xj-about__accent {
  background-color: #0049B9;
  width: 2.60vw;
  height: 0.31vw;
  margin: 0.99vw 0 0;
}

.xj-about__text {
  font-size: 0.88vw;
  /* 17px */
  font-weight: 500;
  color: #333;
  line-height: 1.765;
  /* 30px */
  margin-top: 1.88vw;
  text-align: justify;
}

/* 公司图片 */
.xj-about__img {
  width: 34.64vw;
  /* 665px */
  height: 28.23vw;
  /* 542px */
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}

/* ============================================================
     § 12  荣誉资质区块（浅灰底色）
     ============================================================ */
.xj-honors {
  background-color: #F7F9FC;
  border-radius: 40px 0 0 40px;
  width: 100%;
  padding: 5.31vw 0 8.48vw;
}

.xj-honors__title {
  font-size: 1.88vw;
  font-weight: 900;
  color: #32373C;
  text-align: center;
  line-height: 1.3;
}

.xj-honors__subtitle {
  font-size: 1.04vw;
  font-weight: 400;
  color: #333;
  text-align: center;
  margin-top: 1.04vw;
}

/* 一级荣誉（4个大图） */
.xj-honors__row1 {
  display: flex;
  flex-direction: row;
  width: 68.64vw;
  margin: 2.14vw auto 0;
  gap: 0.57vw;
}

.xj-honors__cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 16.72vw;
}

.xj-honors__cert-img-wrap {
  background-color: #fff;
  border-radius: 10px;
  border: 1px solid #A4BABE;
  width: 16.72vw;
  height: 12.24vw;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.xj-honors__cert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.xj-honors__cert-label {
  font-size: 0.94vw;
  font-weight: 400;
  color: #333;
  text-align: center;
  margin-top: 0.42vw;
  line-height: 1.3;
}

/* 二级荣誉（4个图，同宽） */
.xj-honors__row2 {
  display: flex;
  flex-direction: row;
  width: 68.64vw;
  margin: 0.99vw auto 0;
  gap: 0.57vw;
}

/* 资质标签行 */
.xj-honors__labels {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 57.76vw;
  margin: 0.52vw auto 0;
}

.xj-honors__labels span {
  font-size: 0.94vw;
  font-weight: 400;
  color: #333;
  text-align: center;
}

/* 认证证书行（较窄图片） */
.xj-honors__row3 {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 66.77vw;
  margin: 1.82vw auto 0;
  gap: 1.41vw;
}

.xj-honors__cert3-label-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 65.67vw;
  margin: 1.09vw auto 0;
}

.xj-honors__cert3-label-row span {
  font-size: 0.94vw;
  font-weight: 400;
  color: #333;
  text-align: center;
}

/* 软著区块 */
.xj-honors__patents {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  width: 68.64vw;
  margin: 2.39vw auto 0;
}

.xj-honors__patent-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.xj-honors__patent-left img {
  width: 15.89vw;
}

.xj-honors__patent-left span {
  font-size: 1.56vw;
  font-weight: 700;
  color: #333;
  margin-top: 1.14vw;
}

.xj-honors__patent-right {
  display: flex;
  flex-direction: column;
  gap: 1.56vw;
}

.xj-honors__patent-right img {
  width: 51.09vw;
}

/* ============================================================
     § 13  联系我们 / 表单区块
     ============================================================ */
.xj-contact {
  position: relative;
  width: 100%;
  height: auto;
  /* 改为 auto，不写死高度 */
  min-height: 0;
  padding-bottom: 0;
}

/* 背景大图 */
.xj-contact__bg-img {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 29.43vw;
  object-fit: cover;
}

/* 内容层 */
.xj-contact__inner {
  position: relative;
  /* 改为 relative，不用 absolute */
  top: auto;
  left: auto;
  width: 100%;
  height: auto;
  padding-bottom: 4vw;
  background: url(../images/xunjian/contact-form-bg.png) center/cover no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.xj-contact__body {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 68.80vw;
  margin: 4.58vw auto 0;
}

/* 左侧：电话 + 二维码 */
.xj-contact__left {
  width: 38vw;
  flex-shrink: 0;
}

.xj-contact__slogan {
  font-size: 1.56vw;
  font-weight: 700;
  color: #fff;
  line-height: 1.8;
}

.xj-contact__phone-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.78vw;
  margin: 2.24vw 0 0 7.50vw;
}

.xj-contact__phone-icon {
  width: 2.09vw;
  height: 2.09vw;
}

.xj-contact__phone-num {
  font-size: 2.08vw;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
}

.xj-contact__qr {
  width: 6.98vw;
  height: 6.98vw;
  margin: 1.51vw 0 0 12.60vw;
  /* 二维码左缩进 */
  display: block;
}

/* 右侧：输入表单 */
.xj-contact__form {
  width: 28.02vw;
  display: flex;
  flex-direction: column;
  margin-top: 0.63vw;
}

.xj-contact__input {
  background-color: #fff;
  border-radius: 6px;
  height: 3.13vw;
  width: 100%;
  border: none;
  outline: none;
  padding: 0 0.94vw;
  font-size: 0.84vw;
  font-weight: 400;
  color: #9EA2A7;
  margin-bottom: 0.52vw;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.xj-contact__input::placeholder {
  color: #9EA2A7;
}

/* 提交按钮 */
.xj-contact__submit {
  background-color: #145ED1;
  border-radius: 30px;
  height: 3.13vw;
  width: 100%;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 0.84vw;
  font-weight: 700;
  color: #fff;
  margin-top: 1.04vw;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  transition: background-color 0.2s ease;
}

.xj-contact__submit:hover {
  background-color: #0049B9;
}

/* "合作从这里开始"移回二维码下方 */
.xj-contact__hint {
  font-size: 0.84vw;
  font-weight: 400;
  color: #fff;
  text-align: center;
  margin-top: 0.52vw;
  margin-left: 0;
  /* 去掉左缩进 */
  width: 6.98vw;
  /* 与二维码同宽，自然居中对齐 */
  margin-left: 12.60vw;
  /* 与二维码的 margin-left 保持一致 */
  opacity: 0.8;
}

  /* 在线留言弹窗 */
  .xj-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 99999;
    align-items: center;
    justify-content: center;
  }
  .xj-modal-overlay.active {
    display: flex;
  }
  .xj-modal {
    background: #fff;
    border-radius: 16px;
    padding: 36px 32px 28px;
    width: 360px;
    position: relative;
    box-shadow: 0 8px 40px rgba(0,0,0,0.15);
  }
  .xj-modal__close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 16px;
    color: #999;
    cursor: pointer;
  }
  .xj-modal__close:hover { color: #333; }
  .xj-modal__title {
    font-size: 18px;
    font-weight: 700;
    color: #202835;
    margin-bottom: 20px;
    text-align: center;
  }
  .xj-modal__input {
    display: block;
    width: 100%;
    height: 48px;
    background: #F5F6F8;
    border: none;
    border-radius: 8px;
    padding: 0 16px;
    font-size: 14px;
    color: #333;
    margin-bottom: 12px;
    outline: none;
  }
  .xj-modal__input::placeholder { color: #aaa; }
  .xj-modal__submit {
    display: block;
    width: 100%;
    height: 48px;
    background: #0049B9;
    border: none;
    border-radius: 24px;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
  }
  .xj-modal__submit:hover { background: #003d9e; }
  

/* ============================================================
     § 14  响应式断点 - 平板端 (≤1024px)
     ============================================================ */
@media screen and (max-width: 1024px) {

  /* 平板端：保持比例，cover 防止拉伸 */
  .xj-hero {
    height: auto;
    min-height: 350px;
    padding-bottom: 40px;
    background-size: cover;
    background-position: right center;
  }

  .xj-hero__title {
    font-size: clamp(28px, 5vw, 48px);
    margin: 80px 0 0 5%;
  }

  .xj-hero__subtitle-bar {
    margin: 24px 0 0 5%;
  }

  .xj-hero__subtitle {
    font-size: clamp(14px, 2vw, 22px);
  }

  .xj-hero__desc {
    font-size: clamp(12px, 1.5vw, 18px);
    margin: 20px 0 0 5%;
  }

  .xj-btn-consult {
    width: 140px;
    height: 44px;
    margin: 24px 0 0 5%;
  }

  .xj-btn-consult__text {
    font-size: 14px;
    margin-left: 16px;
  }

  .xj-btn-consult__icon {
    width: 36px;
    height: 36px;
  }

  /* 通用标题 */
  .xj-section-title {
    font-size: clamp(20px, 2.5vw, 32px);
  }

  .xj-section-subtitle {
    font-size: clamp(12px, 1.5vw, 18px);
  }

  /* 解决方案 */
  .xj-solution__body {
    width: 92%;
    margin: 0 auto;
  }

  .xj-solution__main {
    width: 100%;
  }

  .xj-solution__content {
    flex-direction: column;
    width: 100%;
  }

  .xj-solution__screenshot {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  .xj-solution__info {
    width: 100%;
    margin-top: 20px;
  }

  /* 平板及以下隐藏固定悬浮侧边栏 */
  .xj-sidebar {
    display: none;
  }

  /* 优势卡片 */
  .xj-advantages {
    height: auto;
    padding: 60px 0;
  }

  .xj-advantages__grid {
    width: 92%;
  }

  .xj-advantages__row {
    flex-wrap: wrap;
    gap: 16px;
  }

  .xj-adv-card {
    width: calc(50% - 8px);
    min-height: auto;
    padding: 20px;
  }

  .xj-adv-card__number {
    font-size: clamp(16px, 2vw, 22px);
  }

  .xj-adv-card__title {
    font-size: clamp(14px, 1.8vw, 20px);
  }

  /* 场景覆盖 */
  .xj-scenarios__body {
    width: 92%;
    flex-direction: column;
  }

  .xj-scenarios__main-img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  .xj-scenarios__info {
    width: 100%;
  }

  .xj-scenarios__list {
    display: none;
  }

  /* 架构 */
  .xj-architecture__img {
    width: 92%;
  }

  /* 案例 */
  .xj-cases__card-row {
    width: 92%;
    flex-direction: column;
  }

  .xj-cases__screenshot {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  /* 定制 */
  .xj-custom__header {
    width: 92%;
  }

  .xj-custom__body {
    width: 92%;
    flex-direction: column;
  }

  .xj-custom__intro {
    width: 100%;
  }

  .xj-custom-cards {
    flex-wrap: wrap;
  }

  .xj-custom-card {
    width: calc(50% - 12px);
  }

  .xj-feature-row {
    width: 92%;
    flex-wrap: wrap;
  }

  .xj-feature-card {
    width: calc(50% - 12px);
  }

  .xj-process {
    width: 92%;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .xj-process__step {
    width: 200px;
    height: auto;
    min-height: 100px;
  }

  .xj-process__arrow {
    display: none;
  }

  /* 公司简介 */
  .xj-about__inner {
    width: 92%;
    flex-direction: column;
  }

  .xj-about__content {
    width: 100%;
  }

  .xj-about__img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  /* 荣誉 */
  .xj-honors__row1,
  .xj-honors__row2 {
    width: 92%;
    flex-wrap: wrap;
  }

  .xj-honors__cert-item {
    width: calc(50% - 8px);
  }

  .xj-honors__cert-img-wrap {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
  }

  .xj-honors__row3 {
    width: 92%;
    flex-wrap: wrap;
  }

  .xj-honors__patents {
    width: 92%;
    flex-direction: column;
    gap: 20px;
  }

  .xj-honors__patent-left img {
    width: 200px;
  }

  .xj-honors__patent-right img {
    width: 100%;
  }


  .xj-contact__inner {
    position: relative;
    height: auto;
    padding-bottom: 40px;
  }

  .xj-contact__bg-img {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 16/5;
  }

  .xj-contact__body {
    width: 92%;
    flex-direction: column;
    gap: 32px;
  }

  .xj-contact__left {
    width: 100%;
  }

  .xj-contact__form {
    width: 100%;
  }
}

/* ============================================================
     § 15  响应式断点 - 手机端 (≤767px)
     与 heder.css @media max-width:767px 保持一致，导航高度变为 55px
     ============================================================ */
@media screen and (max-width: 767px) {

  /* 导航高度变为 55px，padding-top 同步缩减 */
  .xj-page {
    padding-top: 55px;
  }

  /* 英雄区：手机端 cover + 右对齐保留机器人 */
  .xj-hero {
    min-height: 260px;
    padding-bottom: 32px;
    background-size: cover;
    background-position: right center;
  }

  .xj-hero__title {
    font-size: 22px;
    margin: 60px 0 0 5%;
    white-space: normal;
    width: 90%;
  }

  .xj-hero__subtitle-bar {
    margin: 16px 0 0 5%;
  }

  .xj-hero__subtitle {
    font-size: 13px;
  }

  .xj-hero__desc {
    font-size: 12px;
    margin: 12px 0 0 5%;
  }

  .xj-btn-consult {
    width: 120px;
    height: 38px;
    margin: 16px 0 0 5%;
  }

  .xj-btn-consult__text {
    font-size: 13px;
    margin-left: 10px;
  }

  .xj-btn-consult__icon {
    width: 28px;
    height: 28px;
  }

  .xj-btn-consult__icon img {
    width: 10px;
    height: 11px;
  }

  /* 标题 */
  .xj-section-title {
    font-size: 18px;
  }

  .xj-section-subtitle {
    font-size: 12px;
  }

  /* 优势卡片 - 单列 */
  .xj-adv-card {
    width: 100%;
  }

  /* 定制卡片 - 单列 */
  .xj-custom-card {
    width: 100%;
  }

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

  /* 荣誉资质 - 单列 */
  .xj-honors__cert-item {
    width: 100%;
  }

  /* 公司简介字号 */
  .xj-about__title {
    font-size: 20px;
  }

  .xj-about__text {
    font-size: 13px;
  }

  /* 联系表单 */
  .xj-contact__input {
    height: 44px;
    font-size: 13px;
  }

  .xj-contact__submit {
    height: 44px;
    font-size: 14px;
  }

  .xj-contact__slogan {
    font-size: 18px;
  }

  .xj-contact__phone-num {
    font-size: 20px;
  }

}

@media screen and (max-width: 1024px) {
  .xj-hero__slide {
    background-size: cover;
    background-position: right center;
  }
}