/* =========================================================
   小梦科技 · 中小型工厂数字化解决方案
   纯 HTML5 + CSS 样式表（Flexbox / Grid + 响应式）
   ========================================================= */

/* ---------- 设计令牌（颜色、字号、间距、阴影） ---------- */
:root {
  /* 主色：设计稿强调蓝 #196df4 */
  --color-primary: #196df4;
  /* 正文深色 */
  --color-text: #111111;
  /* 次级说明灰 */
  --color-muted: #6e6d6d;
  /* 页脚深蓝底 */
  --color-footer: #0b1c3d;
  /* 浅背景：从设计稿 bg-page.png 取样主色，避免加载大图 */
  --color-bg: #f9fbfe;
  --color-bg-soft: #f9fbfe;
  /* 卡片白与阴影 */
  --color-card: #ffffff;
  --shadow-card: 0 10px 30px rgba(25, 109, 244, 0.10);
  --shadow-soft: 0 8px 24px rgba(15, 40, 80, 0.08);
  /* 布局宽度：对齐设计稿约 1600px 内容区 */
  --container: 1440px;
  --header-h: 100px;
  /* 字体：中文优先的现代无衬线组合 */
  --font-sans: "SimHei", "Heiti SC", "STHeiti", "Microsoft YaHei", sans-serif;
  /* 圆角 */
  --radius-btn: 8px;
  --radius-card: 16px;
}

/* ---------- 全局重置与基础排版 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #f9fbfe;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 图片默认自适应，避免溢出 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 链接默认样式 */
a {
  color: inherit;
  text-decoration: none;
}

/* 列表去默认样式 */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

/* 屏幕阅读器专用文本（视觉隐藏，保留可访问性） */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 通用容器：居中限宽 ---------- */
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

/* ---------- 按钮组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

/* 顶栏主按钮：实心蓝底白字 */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(25, 109, 244, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 10px 22px rgba(25, 109, 244, 0.42);
}

/* CTA 白色实心按钮 */
.btn-cta-primary {
  background: #fff;
  color: var(--color-primary);
  min-width: 150px;
  min-height: 46px;
  box-shadow: 0 4px 14px rgba(20, 60, 140, 0.18);
}

/* CTA 描边按钮 */
.btn-cta-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
  min-width: 118px;
  min-height: 46px;
}

/* ---------- 区块通用标题 ---------- */
.section {
  padding: 88px 0 72px;
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(1.5rem, 2.257vw, 4.51375rem); /* 72.22，对齐小推车 */
  font-weight: 700;
  line-height: 1.45;
  color: #000;
}

/* 标题下划线图片：设计宽 102 / 舞台约 3.1875vw */
.section-line {
  display: block;
  width: clamp(2rem, 3.1875vw, 6.375rem);
  height: auto;
  margin: 0.4% auto 0.8%;
}

.section-subtitle,
.section-sub {
  color: var(--color-muted);
  font-size: clamp(0.875rem, 1.215vw, 2.4305rem); /* 38.888，对齐小推车 */
  line-height: 1.45;
}

/* =========================================================
   顶部导航栏：Flex 三栏（对齐关于我们 top-nav 视觉）
   ========================================================= */
.site-header {
  position: relative;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: linear-gradient(180deg, #f7fbff 0%, #f1f6fd 100%);
  border-bottom: 1px solid rgba(25, 109, 244, 0.06);
  box-shadow: none;
  overflow: visible;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 品牌区：Logo + 文字竖排信息 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 71px;
  height: 71px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-en {
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.brand-cn {
  width: 93px;
  height: auto;
}

/* 主导航横向 Flex */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-list a {
  position: relative;
  font-size: 23px;
  line-height: 1.4;
  padding: 8px 2px 12px;
  color: var(--color-text);
  transition: color 0.2s ease;
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--color-primary);
}

/* 当前页下划线指示 */
.nav-list a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}

.nav-dropdown {
  position: relative;
  z-index: 20;
}

.nav-dropdown__menu {
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  width: 140px;
  padding: 8px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 14px 36px rgba(25, 109, 244, 0.14), 0 2px 8px rgba(15, 40, 90, 0.06);
  border: 1px solid rgba(25, 109, 244, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  z-index: 20;
}

.nav-dropdown__menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}

.nav-dropdown__menu::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -6px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-left: 1px solid rgba(25, 109, 244, 0.12);
  border-top: 1px solid rgba(25, 109, 244, 0.12);
  transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu,
.nav-dropdown.is-open .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-list .nav-dropdown__link {
  display: block;
  padding: 10px 8px;
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  color: #3a4454;
  border-radius: 8px;
}

.nav-dropdown__link:hover {
  color: var(--color-primary);
  background: rgba(25, 109, 244, 0.08);
}

.nav-dropdown__link.is-active::after {
  display: none;
}

/* 右侧电话 + 预约按钮 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  line-height: 1.4;
}

.header-phone img {
  width: 31px;
  height: 30px;
  object-fit: contain;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 141px;
  height: 52px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 20px;
  line-height: 1.4;
  transition: background-color 0.2s ease;
}

.header-cta:hover {
  background: #0f5ad8;
}

/* =========================================================
   Hero 首屏：背景插画 + 文案 + 数据条
   ========================================================= */
.hero {
  position: relative;
  /* 不设 z-index，避免形成层叠上下文把优势条压在痛点区下面 */
  padding: 0;
  /* 底色对齐图层 5 交界取样 #e6edfb，避免与痛点区透出页底形成断层 */
  background: #e6edfb;
}

/*
 * 主标题 / 副文案：相对 Canvas 3200（图层5 顶 = 0）
 * 标题 banner(552,934) → Canvas(311,501) 1050×309
 * 副文案 banner(562,1293) → Canvas(321,860) 889×140
 * 标题底 810 → 副文案顶 860，间距 50
 */
.hero-content {
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  width: 35.81%;              /* 1050 / 3200 */
  max-width: none;
  margin: 0;
  margin-left: 9.72%;         /* 311.04 / 3200 */
  padding: 15.66% 0 0;        /* 501.03 / 3200，padding% 相对页面宽 */
}

/*
 * 优势条：相对定位（文档流），按设计稿「优势」2753×355
 * Canvas 绝对 x=224 y=1287；width 86.03%、margin-top 8.97%
 */
.hero-stats {
  position: relative;
  z-index: 5; /* 高于痛点区，重叠的下半段不被裁切 */
  box-sizing: border-box;
  width: 86.03%;             /* 2753 / 3200 */
  aspect-ratio: 2753 / 355;  /* 锁定设计稿比例 */
  margin-top: 8.97%;         /* (1287 - 1000) / 3200 */
  margin-left: 7%;           /* 224 / 3200 */
  margin-right: auto;
  margin-bottom: 0;
  padding: 0;
}

.hero-stats .stats-bar {
  width: 100%;
  height: 100%;
  margin: 0;
  box-sizing: border-box;
}

/*
 * Banner 背景舞台：对齐设计稿可见区 3200×2545（图层 5）
 * 子图层坐标先换算到 Canvas 绝对位置，再 /3200、/2545 得百分比
 */
.hero-bg {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 0;
  width: 100%;
  aspect-ratio: 3200 / 2545;
  pointer-events: none;
  overflow: visible;
}

.hero-bg img {
  position: absolute;
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  max-width: none;
  object-fit: fill;
}

/* 图层 5：绝对 (0,0) 3199×2545 */
.hero-bg-base {
  left: 0;
  top: 0;
  width: 99.97%;   /* 3199 / 3200 */
  height: 100%;    /* 2545 / 2545 */
  z-index: 0;
}

/*
 * ChatGPT Image 09_32_25：banner 内 (0,0) 3586×2370
 * → Canvas 绝对 (-241, -433)
 */
.hero-bg-glow {
  left: -7.53%;    /* -241 / 3200 */
  top: -17.01%;    /* -433 / 2545 */
  width: 112.06%;  /* 3586 / 3200 */
  height: 93.12%;  /* 2370 / 2545 */
  z-index: 1;
}

/*
 * ChatGPT Image 09_26_21：banner 内 (582,587) 2859×1240
 * → Canvas 绝对 (341, 154)
 */
.hero-bg-factory {
  left: 10.66%;    /* 341 / 3200 */
  top: 6.05%;      /* 154 / 2545 */
  width: 89.34%;   /* 2859 / 3200 */
  height: 48.72%;  /* 1240 / 2545 */
  z-index: 2;
  animation:
    hero-float-in 1s ease both,
    hero-idle 4.8s ease-in-out 1.1s infinite;
}

@keyframes hero-float-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes hero-idle {
  0%,
  100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-title {
  margin: 0;
  width: 100%;
  /* 稿面 116.66、行高 154.45、SemiBold；按用户要求加粗 */
  font-size: calc(100vw * 116.66 / 3200);
  font-weight: 700;
  line-height: 1.324;
  letter-spacing: 0;
  animation: text-rise 0.7s ease both;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

/* 「数字化」强调色 */
.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-desc {
  /* 标题底→副文案顶 50 → 相对文案区宽 50/1050 ≈ 4.76% */
  margin: 4.76% 0 0;
  width: 84.67%; /* 889 / 1050 */
  font-size: calc(100vw * 44.44 / 3200);
  font-weight: 700;
  color: #222;
  line-height: 1.44; /* 64 / 44.44 */
  animation: text-rise 0.7s ease 0.12s both;
}

@keyframes text-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/*
 * 数据优势条：稿面「优势」2753×355
 * 图标 / 文案按图层坐标绝对定位，字号 38.89 / 62.04 / 27.78
 */
.stats-bar {
  position: relative;
  z-index: 2;
  display: block;
  margin: 0;
  padding: 0;
  background-color: transparent;
  background-image: url("../images/矩形 4.png?v=20260930");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100% 100%;
  border-radius: 0;
  box-shadow: none;
}

.stat-item {
  position: absolute;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;
  min-width: 0;
  padding: 0;
  box-sizing: border-box;
}

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

.stat-icon {
  flex: 0 0 auto;
  width: auto;
  height: auto;
  object-fit: contain;
}

.stat-body {
  flex: 0 0 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0;
}

.stat-name {
  margin: 0;
  font-size: calc(100vw * 38.89 / 3200);
  font-weight: 500;
  line-height: 1.44;
  white-space: nowrap;
}

.stat-value {
  margin: calc(100vw * 19 / 3200) 0;
  font-size: calc(100vw * 62.04 / 3200);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 0.937;
}

.stat-note {
  margin: 0;
  font-size: calc(100vw * 27.78 / 3200);
  font-weight: 400;
  color: var(--color-muted);
  line-height: 1.44;
  white-space: nowrap;
}

/* 五项：图标坐标 + 图文间距 + 文案宽 234/273 */
.stat-item--1 {
  left: calc(96 / 2753 * 100%);
  top: calc(79.14 / 355 * 100%);
  gap: calc(100vw * 40.26 / 3200);
}

.stat-item--1 .stat-icon {
  width: calc(100vw * 117 / 3200);
  margin-top: calc(100vw * 36.86 / 3200);
}

.stat-item--1 .stat-body {
  width: calc(100vw * 234 / 3200);
}

.stat-item--2 {
  left: calc(612 / 2753 * 100%);
  top: calc(79.14 / 355 * 100%);
  gap: calc(100vw * 50.26 / 3200);
}

.stat-item--2 .stat-icon {
  width: calc(100vw * 114 / 3200);
  margin-top: calc(100vw * 32.86 / 3200);
}

.stat-item--2 .stat-body {
  width: calc(100vw * 234 / 3200);
}

.stat-item--3 {
  left: calc(1132 / 2753 * 100%);
  top: calc(79.14 / 355 * 100%);
  gap: calc(100vw * 51.26 / 3200);
}

.stat-item--3 .stat-icon {
  width: calc(100vw * 112 / 3200);
  margin-top: calc(100vw * 30.86 / 3200);
}

.stat-item--3 .stat-body {
  width: calc(100vw * 273 / 3200);
}

.stat-item--4 {
  left: calc(1675 / 2753 * 100%);
  top: calc(79.14 / 355 * 100%);
  gap: calc(100vw * 48.26 / 3200);
}

.stat-item--4 .stat-icon {
  width: calc(100vw * 111 / 3200);
  margin-top: calc(100vw * 33.86 / 3200);
}

.stat-item--4 .stat-body {
  width: calc(100vw * 273 / 3200);
}

.stat-item--5 {
  left: calc(2235 / 2753 * 100%);
  top: calc(79.14 / 355 * 100%);
  gap: calc(100vw * 43.26 / 3200);
}

.stat-item--5 .stat-icon {
  width: calc(100vw * 113 / 3200);
  margin-top: calc(100vw * 30.86 / 3200);
}

.stat-item--5 .stat-body {
  width: calc(100vw * 234 / 3200);
}

/* 四条竖线：矩形 8 / 拷贝 / 拷贝2×2，y=32 h=269，x=546 / 1071 / 1621 / 2167 */
.stat-divider {
  position: absolute;
  top: calc(32 / 355 * 100%);
  height: calc(269 / 355 * 100%);
  width: calc(2 / 2753 * 100%);
  margin: 0;
  padding: 0;
  background: none;
  pointer-events: none;
}

.stat-divider img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

.stat-divider--1 { left: calc(546 / 2753 * 100%); }
.stat-divider--2 { left: calc(1071 / 2753 * 100%); width: calc(3 / 2753 * 100%); }
.stat-divider--3 { left: calc(1621 / 2753 * 100%); }
.stat-divider--4 { left: calc(2167 / 2753 * 100%); }

/* Banner 优势五项：入场后依次弹出 */
.stat-item {
  opacity: 0;
  animation: item-pop 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.stat-item--1 { animation-delay: 0.28s; }
.stat-item--2 { animation-delay: 0.4s; }
.stat-item--3 { animation-delay: 0.52s; }
.stat-item--4 { animation-delay: 0.64s; }
.stat-item--5 { animation-delay: 0.76s; }

.stat-divider {
  opacity: 0;
  animation: fade-in 0.5s ease 0.42s both;
}

@keyframes item-pop {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* =========================================================
   企业痛点
   ------------------------------------------------------------
   设计稿 Canvas 3200×9170（Figma lD5EKx4APqGFgXUIZWy1dy / 0:2）
   - 「企业痛点」x=292 y=1485 w=3308 h=1746
   - Banner「优势」绝对底边 y = -433+1720+355 = 1642
   - 痛点上移重叠：(1642−1485)/3200 ≈ 4.91%
   - 标题 / 背景图 / 组1~4 相对本区块定位
   ========================================================= */
.pain {
  position: relative;
  z-index: 3;
  overflow-x: clip; /* 裁切区块右侧超出画布的部分（设计稿宽 103.375%） */
  padding: 0;
  /* 相对页面宽度上移，贴近 Banner 优势条（设计稿重叠 157px） */
  margin: -4.91% 0 0; /* (1642 - 1485) / 3200 */
  /*
   * 痛点主图顶部透明，原先透出页底 #f9fbfe，与 Banner 图层 5（#e6edfb）形成断层。
   * 上半段对齐图层 5；图层 5 底边相对痛点画板约 (2545-1485)/1746 ≈ 61%，
   * 再过渡到页底色，衔接下方方案全景。
   */
  background: linear-gradient(
    180deg,
    #e6edfb 0%,
    #ffffff 61%,
    #f9fbfe 85%,
    #f9fbfe 100%
  );
}

.pain-wrap {
  position: relative;
  width: 100%; /* 对应 Canvas 宽度基准 */
  max-width: none;
  margin: 0;
  padding: 0;
}

/*
 * 企业痛点区块：相对 Canvas（页面）绝对坐标 → 百分比
 * left  292/3200 = 9.125%
 * width 3308/3200 = 103.375%
 * 高度用画板比例撑开，保证内部 top% 相对 1746 准确
 */
.pain-layout {
  position: relative;
  left: 9.125%;              /* 292 / 3200，相对页面左侧绝对间距 */
  width: 103.375%;           /* 3308 / 3200，相对页面宽度绝对比例 */
  aspect-ratio: 3308 / 1746; /* 锁定画板比例，内部百分比坐标系 */
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/*
 * 痛点标题：画板比页面更宽且偏右，不能按画板 50% 居中。
 * 与下方「方案全景」舞台同宽同中（页 left 6%、宽 89.875%）。
 * top 12.3% 避开 Banner 优势条重叠区。
 */
.pain-header {
  position: absolute;
  z-index: 3;
  top: 12.3%; /* 214.73 / 1746 */
  left: -3.023%; /* (192 - 292) / 3308 */
  width: 86.94%; /* 2876 / 3308 */
  transform: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 0;
}

/*
 * 背景图：设计稿 x=329 → 略向左移，避免视觉偏右
 * left 6.5%（原 9.95%），width 仍按设计稿 2979/3308
 */
.pain-visual {
  position: absolute;
  z-index: 1;
  left: 6.5%;    /* 相对原 329/3308≈9.95% 向左偏移 */
  top: 0;
  width: 90.05%; /* 2979 / 3308 */
  height: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.pain-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  object-fit: cover;
  object-position: left center; /* 主视觉靠左，减少右侧留白感 */
}

/*
 * 痛点卡片：设计稿 765×278；背景用图层图（四周约 21px 透明留白）
 * 去掉纯白底/阴影/描边，避免色块比设计稿更大
 * 左侧内边距按图标 x≈76 → 略收紧，去掉过大左边距
 */
.pain-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  width: 23.13%;   /* 765 / 3308 */
  height: 15.92%;  /* 278 / 1746 */
  min-height: 0;
  gap: 3%;         /* 图标→文案约 33/765 */
  margin: 0;
  padding: 0 2% 0 2%; /* 原左 6% 收紧；对齐图标区约 76/765 */
  box-sizing: border-box;
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100% 100%;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

/*
 * 组1~组4：定位 + 背景图（设计稿「矩形 4 / 拷贝」，含透明留白）
 * 组1 (70, 373)  组2 (0, 832)  组3 (1923, 567)  组4 (1818, 1071)
 */
.pain-card-01 {
  left: 2.12%;   /* 70 / 3308 */
  top: 21.36%;   /* 373 / 1746 */
  background-image: url("../images/pain-card-01.png?v=20260930");
}

.pain-card-02 {
  left: 0;
  top: 47.65%;   /* 832 / 1746 */
  background-image: url("../images/pain-card-02.png?v=20260930");
}

.pain-card-03 {
  left: auto;
  right: 18.74%; /* (3308 - 1923 - 765) / 3308 */
  top: 32.47%;   /* 567 / 1746 */
  /* pain-card-03.png 非卡片底图，复用同规格资源 */
  background-image: url("../images/pain-card-01.png?v=20260930");
}

.pain-card-04 {
  left: auto;
  right: 21.92%; /* (3308 - 1818 - 765) / 3308 */
  top: 61.34%;   /* 1071 / 1746 */
  background-image: url("../images/pain-card-04.png?v=20260930");
}

/* 图标：设计稿约 129×116，相对卡片宽 129/765 ≈ 16.9% */
.pain-icon {
  flex: 0 0 16.9%;
  width: 16.9%;
  height: auto;
  aspect-ratio: 129 / 116;
  object-fit: contain;
}

.pain-card-text {
  flex: 1;
  min-width: 0;
}

.pain-card-text h3 {
  font-size: clamp(15px, 1.35vw, 19px);
  color: var(--color-primary);
  margin-bottom: 6px;
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
}

.pain-card-text h3 span {
  margin-right: 0.35em;
}

.pain-card-text p {
  font-size: clamp(12px, 0.95vw, 13px);
  color: var(--color-muted);
  line-height: 1.55;
}

/* =========================================================
   方案全景
   ------------------------------------------------------------
   设计稿「方案全景」x=192 y=2872 w=2876 h=1704（Canvas 3200）
   痛点底边 y=1485+1746=3231 → 上移重叠 (3231−2872)/3200 ≈ 11.22%
   内部百分比均相对本舞台 2876×1704
   ========================================================= */
.panorama {
  position: relative;
  z-index: 4; /* 叠在痛点底部之上，保证标题与全景图可见 */
  padding: 0;
  margin: -11.22% 0 0; /* (3231−2872)/3200，贴近企业痛点 */
  background: transparent;
  overflow-x: clip;
}

.panorama-wrap {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.panorama-layout {
  position: relative;
  left: 6%;                 /* 192 / 3200 */
  width: 89.875%;           /* 2876 / 3200 */
  aspect-ratio: 2876 / 1704;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* 背景图：舞台内 (0,0) 2876×1704 铺满 */
.panorama-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.panorama-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: fill;
  border: 0;
}

/*
 * 标题区（相对舞台）
 * 标题 (1266.1, 22.69)  短条 (1357, 140)  副标题 (901.6, 183.5)
 */
.panorama-header {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 1.33%; /* 22.69 / 1704 */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 0;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.panorama-title {
  margin: 0;
}

.panorama-subtitle {
  margin: 0;
  max-width: 90%;
  white-space: nowrap;
}

.panorama-labels {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none; /* 空白不拦截；文案节点单独恢复可选 */
}

.pano-label {
  position: absolute;
  width: 7.75%; /* 223 / 2876 */
  margin: 0;
  text-align: left;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.pano-label h3 {
  margin: 0 0 0.35em;
  color: var(--color-primary);
  font-size: clamp(12px, 1.1vw, 28px); /* 略小于设计稿字号，避免偏大 */
  font-weight: 700;
  line-height: 1.35;
}

.pano-label p {
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(10px, 0.65vw, 15px);
  line-height: 1.35;
}

/*
 * 六大模块坐标（相对 2876×1704）
 * 设备互联 (359,393)  工单 (174,761)  移动 (330,1121)
 * 仓储 (2328,393)     质量 (2512,761)  SOP (2336,1121)
 */
.pano-tl {
  left: 12.49%; /* 359.33 / 2876 */
  top: 23.07%;  /* 393.11 / 1704 */
}

.pano-ml {
  left: 6.06%;  /* 174.33 / 2876 */
  top: 44.67%;  /* 761.11 / 1704 */
}

.pano-bl {
  left: 11.49%; /* 330.33 / 2876 */
  top: 65.79%;  /* 1121.11 / 1704 */
}

.pano-tr {
  left: 80.96%; /* 2328.33 / 2876 */
  top: 23.07%;
  text-align: left;
}

.pano-mr {
  left: 87.35%; /* 2512.33 / 2876 */
  top: 44.67%;
  text-align: left;
}

.pano-br {
  left: 81.23%; /* 2336.33 / 2876 */
  top: 65.79%;
  text-align: left;
}

/* 中心：数字工厂 (1342,851) / 一体化运营平台 (1337,913) */
.pano-center {
  position: absolute;
  left: 46.66%; /* 1342 / 2876 */
  top: 49.92%;  /* 850.71 / 1704 */
  transform: none;
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 10px rgba(20, 60, 140, 0.45);
}

.pano-center strong {
  display: block;
  font-size: clamp(14px, 1.3vw, 32px);
  letter-spacing: 0.06em;
  font-weight: 700;
  line-height: 1.3;
}

.pano-center span {
  display: block;
  margin-top: 0.35em;
  font-size: clamp(11px, 0.85vw, 22px);
  opacity: 0.95;
  line-height: 1.3;
}

/* 小屏全景模块列表：桌面隐藏 */
.panorama-list {
  display: none;
  width: min(100% - 28px, var(--container));
  margin: 24px auto 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 0 32px;
  list-style: none;
}

.panorama-list li {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(25, 109, 244, 0.06);
}

.panorama-list h3 {
  color: var(--color-primary);
  font-size: 16px;
  margin-bottom: 6px;
}

.panorama-list p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* =========================================================
   业务闭环流程
   ------------------------------------------------------------
   设计稿「业务闭环流程」x=203 y=4241 w=2908 h=1939（Canvas 3200）
   方案全景底边 y=2872+1704=4576 → 上移 (4576−4241)/3200 ≈ 10.47%
   内部百分比均相对本舞台 2908×1939
   ========================================================= */
.process {
  position: relative;
  z-index: 4;
  padding: 0;
  margin: -10.47% 0 0; /* 贴近方案全景 */
  background: transparent;
  overflow-x: clip;
}

.process-wrap {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.process-layout {
  position: relative;
  left: 6.34%;              /* 203 / 3200 */
  width: 90.875%;           /* 2908 / 3200 */
  aspect-ratio: 2908 / 1939;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* 背景图：舞台内 (0,0) 2908×1939 铺满 */
.process-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.process-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: fill;
  border: 0;
}

/*
 * 标题区
 * 标题 (1183.1, 69.54)  短条 (1346, 187)  副标题 (890.6, 230.3)
 */
.process-header {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 3.59%; /* 69.54 / 1939 */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 0;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.process-title {
  margin: 0;
}

.process-subtitle {
  margin: 0;
  max-width: 90%;
  white-space: nowrap;
}

.process-labels {
  position: absolute;
  inset: 0;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none; /* 空白不拦截；条目单独恢复可选 */
}

.process-labels li {
  position: absolute;
  display: flex;
  align-items: flex-start;
  gap: 4.8%; /* 序号与标题水平间距再拉大 */
  width: 15%;
  margin: 0;
  text-align: left;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.process-labels .step-num {
  flex: 0 0 auto;
  color: var(--color-primary);
  font-size: clamp(18px, 1.7vw, 40px);
  font-weight: 700;
  line-height: 1.05;
}

.process-labels .proc-text {
  flex: 1 1 auto;
  min-width: 0;
  padding-top: 0.45em; /* 标题顶部相对序号下移 */
}

.process-labels h3 {
  margin: 0 0 0.55em; /* 与下方说明拉开 */
  font-size: clamp(13px, 1vw, 24px);
  font-weight: 700;
  color: #111;
  line-height: 1.45;
}

.process-labels p {
  margin: 0;
  font-size: clamp(11px, 0.78vw, 18px);
  color: var(--color-muted);
  line-height: 1.55;
}

/*
 * 七步坐标：以设计稿序号左上角为锚点（相对 2908×1939）
 * 01 (169,444)  02 (862,761)  03 (1438,761)  04 (2034,761)
 * 05 (1813,1294)  06 (964,1294)  07 (188,1281)
 */
.proc-01 {
  left: 5.82%;
  top: 22.88%;
  flex-direction: column; /* 01：序号在上、文案在下 */
  gap: 0.85em; /* 序号与标题纵向间距拉大 */
  width: 9%;
}

.proc-01 .proc-text {
  padding-top: 0;
}

.proc-01 .step-num {
  margin-bottom: 0;
}

.proc-02 { left: 29.65%; top: 39.23%; }
.proc-03 { left: 49.46%; top: 39.23%; }
.proc-04 { left: 69.96%; top: 39.23%; }
.proc-05 { left: 62.36%; top: 66.72%; }
.proc-06 { left: 33.16%; top: 66.72%; }
.proc-07 { left: 6.48%;  top: 66.05%; }

/* 小屏步骤列表默认隐藏 */
.process-list {
  display: none;
  width: min(100% - 28px, var(--container));
  margin: 24px auto 0;
  padding: 0 0 32px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
}

.process-list li {
  background: #fff;
  border-radius: 14px;
  padding: 18px 16px;
  box-shadow: var(--shadow-soft);
}

.process-list .step-num {
  display: block;
  color: var(--color-primary);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.process-list h3 {
  margin-top: 4px;
  font-size: 17px;
}

.process-list p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* =========================================================
   客户价值
   ------------------------------------------------------------
   设计稿底图 x=190 y=5805 w=2824 h=1294（Canvas 3200）
   业务闭环底边 y=4241+1939=6180 → 上移 (6180−5805)/3200 ≈ 11.72%
   内部百分比相对本舞台 2824×1294（坐标 = 绝对 − 190/5805）
   ========================================================= */
.value {
  position: relative;
  z-index: 4;
  padding: 0;
  margin: -11.72% 0 0; /* 贴近业务闭环流程 */
  background: transparent;
  overflow-x: clip;
}

.value-wrap {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.value-layout {
  position: relative;
  left: 5.94%;              /* 190 / 3200 */
  width: 88.25%;            /* 2824 / 3200 */
  aspect-ratio: 2824 / 1294;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.value-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.value-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: fill;
  border: 0;
}

/*
 * 标题区（相对舞台）
 * 标题 (1268, 38)  短条 (1359, 155)  副标题 (982, 199)
 */
.value-header {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 2.93%; /* 37.93 / 1294 */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 0;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.value-title {
  margin: 0;
}

.value-subtitle {
  margin: 0;
  max-width: 90%;
  white-space: nowrap;
}

.value-panels {
  position: absolute;
  inset: 0;
  z-index: 1;
  margin: 0;
  padding: 0;
  pointer-events: none; /* 空白不拦截；面板文案单独恢复可选 */
}

.value-panel,
.value-vs {
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

/*
 * 传统工厂标题 (861, 407) / 数字工厂 (1704, 407)
 * 四条文案垂直对齐底图左侧图标中心（识别 value-scene.png）：
 *   左图标中心 y≈579 / 737 / 886 / 1037 → 44.74% / 56.96% / 68.47% / 80.14%
 *   左图标中心 x≈759（26.88%），右缘≈799；文案略右移避开图标
 */
.value-panel {
  position: absolute;
  top: 0;
  height: 100%;
  width: 14.8%; /* ≈418/2824，容纳标题与正文 */
  margin: 0;
}

.value-panel-left {
  left: 30.8%; /* 相对图标右缘再右移，传统工厂 + 四条文案 */
}

.value-panel-right {
  left: 59.67%; /* 1685 / 2824，对齐右侧蓝图标右侧文案 */
}

.value-panel h3 {
  position: absolute;
  top: 31.41%; /* 406.51 / 1294 */
  left: 0;
  margin: 0;
  font-size: clamp(16px, 1.35vw, 34px); /* ≈68 高 */
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
}

.value-panel-left h3 {
  color: #222;
  margin-left: 1.8%; /* 微调到设计稿 861 */
}

.value-panel-right h3 {
  color: var(--color-primary);
}

.value-panel ul {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 每条文案顶对齐对应图标垂直中心 */
.value-panel li {
  position: absolute;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.35em; /* 标题与说明间距 */
  transform: translateY(-50%);
}

.value-panel li:nth-child(1) { top: 44.74%; } /* 579 / 1294 */
.value-panel li:nth-child(2) { top: 56.96%; } /* 737 / 1294 */
.value-panel li:nth-child(3) { top: 68.47%; } /* 886 / 1294 */
.value-panel li:nth-child(4) { top: 80.14%; } /* 1037 / 1294 */

.value-panel strong {
  font-size: clamp(12px, 0.95vw, 24px); /* ≈48 高 */
  font-weight: 700;
  line-height: 1.35;
}

.value-panel-left strong {
  color: #222;
}

.value-panel-right strong {
  color: var(--color-primary);
}

.value-panel span {
  font-size: clamp(11px, 0.78vw, 18px);
  color: var(--color-muted);
  line-height: 1.45;
}

/* VS (1339, 682) */
.value-vs {
  position: absolute;
  left: 47.8%; /* 1339.23 / 2824 */
  top: 54.91%;  /* 682.11 / 1294 */
  margin: 0;
  padding: 0;
  font-size: clamp(36px, 3.4vw, 78px); /* ≈156 高 */
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1;
  transform: none;
}

/* =========================================================
   项目实施路径
   ------------------------------------------------------------
   设计稿底图 2856×1021（Canvas 宽 3200）
   left 172 → 5.375%，width 89.25%
   与客户价值间距：相对画布宽百分比（margin% 相对含块宽度）
   原上移 9.34% 过大、标题叠入上段底部 → 收为约 2%（仅顶阴影轻微衔接）
   内部百分比相对本舞台 2856×1021
   六步序号圆心 x：221 / 717 / 1214 / 1684 / 2141 / 2586
   卡片底约 y=696 → 文案 top ≈ 71.5%
   ========================================================= */
.path {
  position: relative;
  z-index: 3;
  padding: 0;
  margin: -2% 0 0; /* (约 64/3200)，相对客户价值下移，避免标题重叠 */
  background: transparent;
  overflow-x: clip;
}

.path-wrap {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.path-layout {
  position: relative;
  left: 5.375%;             /* 172 / 3200 */
  width: 89.25%;            /* 2856 / 3200 */
  aspect-ratio: 2856 / 1021;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.path-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.path-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: fill;
  border: 0;
}

/*
 * 标题区：叠在卡片上方留白（底图顶阴影下、序号线之上）
 */
.path-header {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 5.5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 0;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.path-title {
  margin: 0;
}

.path-subtitle {
  margin: 0;
  max-width: 38%; /* ≈1085 / 2856 */
}

/* 六步文案：相对舞台绝对定位，水平对齐序号圆心 */
.path-captions {
  position: absolute;
  inset: 0;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none; /* 空白不拦截；条目单独恢复可选 */
}

.path-captions li {
  position: absolute;
  top: 71.5%; /* 卡片底 ≈696/1021，略留间距 */
  width: 12.5%;
  margin: 0;
  padding: 0;
  text-align: center;
  transform: translateX(-50%);
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.path-captions h3 {
  margin: 0 0 0.35em;
  color: var(--color-primary);
  font-size: clamp(13px, 1.15vw, 36px); /* ≈36–40 @2856 */
  font-weight: 700;
  line-height: 1.3;
}

.path-captions p {
  margin: 0;
  font-size: clamp(11px, 0.8vw, 22px); /* ≈22 @2856 */
  color: var(--color-muted);
  line-height: 1.5;
}

/* 序号圆心：221 / 717 / 1214 / 1684 / 2141 / 2586 → /2856 */
.path-01 { left: 8.8%; }
.path-02 { left: 25.11%; }
.path-03 { left: 41.3%; }
.path-04 { left: 57.96%; }
.path-05 { left: 73.96%; }
.path-06 { left: 90.2%; }

.path-list {
  display: none;
  width: min(100% - 28px, var(--container));
  margin: 24px auto 0;
  padding: 0 0 32px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
}

.path-list li {
  text-align: center;
  background: #fff;
  border-radius: 14px;
  padding: 20px 12px;
  box-shadow: var(--shadow-soft);
}

.path-list h3 {
  color: var(--color-primary);
  font-size: 18px;
  margin-bottom: 8px;
}

.path-list p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* =========================================================
   CTA 外框：内部视觉见 shared/site-cta.css（与关于我们一致）
   ========================================================= */
.cta {
  position: relative;
  z-index: 3;
  padding: 0;
  margin: 2.5% 0 3.5%;
  background: transparent;
}

/* =========================================================
   响应式断点
   ========================================================= */

/* 平板宽度：收紧间距，导航字号略减 */
@media (max-width: 1100px) {
  :root {
    --header-h: 88px;
  }

  .brand-logo {
    width: 56px;
    height: 56px;
  }

  .brand-en {
    font-size: 18px;
  }

  .brand-cn {
    width: 78px;
  }

  .nav-list {
    gap: 32px;
  }

  .nav-list a {
    font-size: 18px;
  }

  .nav-list .nav-dropdown__link {
    font-size: 18px;
  }

  .header-phone {
    font-size: 17px;
  }

  .header-phone img {
    width: 24px;
    height: 24px;
  }

  .header-cta {
    width: 120px;
    height: 44px;
    font-size: 16px;
  }

  /* 平板：卡片略收窄，仍贴左右 */
  .pain-card {
    width: min(280px, 30%);
    height: auto;
    min-height: 100px;
    padding: 14px 12px 14px 10px;
    gap: 10px;
    background-size: 100% 100%;
  }

  .pain-icon {
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
  }

  .pain-card-text h3 {
    font-size: 14px;
    white-space: normal;
  }

  .pain-card-text p {
    font-size: 11px;
  }

}

/* 中等屏：顶栏改为两行；统计条可换行 */
@media (max-width: 900px) {
  .site-header {
    height: auto;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 10px 0;
    gap: 10px 16px;
  }

  .main-nav {
    order: 3;
    flex: 1 1 100%;
    justify-content: center;
  }

  .nav-list {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-list a {
    font-size: 14px;
  }

  .nav-list .nav-dropdown__link {
    font-size: 14px;
  }

  .hero {
    padding-top: 24px;
  }

  /* 小屏：保留底图+工厂主视觉，收紧工厂图避免裁切过猛 */
  .hero-bg {
    aspect-ratio: 3200 / 1800;
  }

  .hero-bg-glow {
    display: none;
  }

  .hero-bg-factory {
    left: 8%;
    top: 18%;
    width: 92%;
    height: auto;
    max-height: 55%;
    object-fit: contain;
    object-position: right center;
  }

  .hero-content {
    width: min(100% - 28px, var(--container));
    margin-left: auto;
    margin-right: auto;
    padding: 8px 0 24px;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(28px, 8vw, 40px);
  }

  .hero-desc {
    width: 100%;
    margin-top: 12px;
    font-size: clamp(14px, 3.6vw, 18px);
  }

  .hero-stats {
    width: min(100% - 28px, var(--container));
    aspect-ratio: auto;
    height: auto;
    margin-top: 24px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-desc br {
    display: none;
  }

  .stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    height: auto;
    min-height: 120px;
    padding: 16px 12px;
    background-size: 100% 100%;
  }

  .stat-divider {
    display: none;
  }

  .stat-item {
    position: relative;
    left: auto;
    top: auto;
    flex: 1 1 calc(50% - 12px);
    min-width: 140px;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
  }

  .stat-icon {
    flex: 0 0 56px;
    width: 56px;
    margin-top: 0;
  }

  .stat-body {
    width: auto;
  }

  .stat-name {
    font-size: 15px;
  }

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

  .stat-note {
    font-size: 13px;
  }

  .stat-name,
  .stat-note {
    white-space: normal;
  }

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

  /* 复杂流程图改列表展示，避免小屏挤压错位 */
  .process-list,
  .path-list {
    display: grid;
  }

  /* 小屏：项目实施路径取消重叠，改文档流 + 列表 */
  .path {
    margin-top: 0;
    padding: 40px 0 8px;
    overflow: visible;
  }

  .path-layout {
    left: 0;
    width: 100%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: visible;
  }

  .path-visual {
    position: relative;
    order: 1;
  }

  .path-visual img {
    height: auto;
    object-fit: contain;
  }

  .path-header {
    position: static;
    order: 0;
    padding: 0 14px;
  }

  .path-header .section-line {
    width: clamp(2rem, 3.1875vw, 6.375rem);
    margin: 0.4% auto 0.8%;
  }

  .path-subtitle {
    max-width: none;
    margin-top: 12px;
  }

  .path-captions {
    display: none;
  }

  /* 小屏：业务闭环取消重叠，叠层改列表 */
  .process {
    margin-top: 0;
    padding: 40px 0 8px;
    overflow: visible;
  }

  .process-layout {
    left: 0;
    width: 100%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: visible;
  }

  .process-visual {
    position: relative;
    order: 1;
  }

  .process-visual img {
    height: auto;
    object-fit: contain;
  }

  .process-header {
    position: static;
    order: 0;
    pointer-events: auto;
  }

  .process-header .section-line {
    width: clamp(2rem, 3.1875vw, 6.375rem);
    margin: 0.4% auto 0.8%;
  }

  .process-subtitle {
    max-width: 92%;
    margin-top: 12px;
    white-space: normal;
  }

  .process-labels {
    display: none;
  }

  /* 小屏：取消与痛点重叠；舞台改文档流；叠层改列表 */
  .panorama {
    margin-top: 0;
    padding: 40px 0 8px;
    overflow: visible;
  }

  .panorama-layout {
    left: 0;
    width: 100%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: visible;
  }

  .panorama-visual {
    position: relative;
    order: 1;
  }

  .panorama-visual img {
    height: auto;
    object-fit: contain;
  }

  .panorama-header {
    position: static;
    order: 0;
    pointer-events: auto;
  }

  .panorama-header .section-line {
    width: clamp(2rem, 3.1875vw, 6.375rem);
    margin: 0.4% auto 0.8%;
  }

  .panorama-subtitle {
    max-width: 92%;
    margin-top: 12px;
    white-space: normal;
  }

  .panorama-labels {
    display: none;
  }

  .panorama-list {
    display: grid;
  }

  /* 小屏：客户价值取消重叠，改文档流堆叠 */
  .value {
    margin-top: 0;
    padding: 40px 0 24px;
    overflow: visible;
  }

  .value-layout {
    left: 0;
    width: 100%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: visible;
  }

  .value-visual {
    position: relative;
    order: 1;
  }

  .value-visual img {
    height: auto;
    object-fit: contain;
  }

  .value-header {
    position: static;
    order: 0;
    pointer-events: auto;
  }

  .value-header .section-line {
    width: clamp(2rem, 3.1875vw, 6.375rem);
    margin: 0.4% auto 0.8%;
  }

  .value-subtitle {
    max-width: 92%;
    margin-top: 12px;
    white-space: normal;
  }

  .value-panels {
    position: static;
    order: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    width: min(100% - 28px, var(--container));
    margin: 0 auto;
    pointer-events: auto;
  }

  .value-panel {
    position: static;
    width: 100%;
    height: auto;
    top: auto;
    left: auto;
  }

  .value-panel h3 {
    position: static;
    margin: 0 0 1.2em;
  }

  .value-panel ul {
    position: static;
  }

  .value-panel li {
    position: static;
    transform: none;
    width: auto;
  }

  .value-panel li + li {
    margin-top: 1.4em;
  }

  .value-vs {
    position: static;
    justify-self: center;
    font-size: 40px;
    padding: 0;
  }
}

/* 手机宽度：进一步压缩 */
@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 56px 0 48px;
  }

  .header-actions .header-cta {
    width: 96px;
    height: 36px;
    font-size: 14px;
    border-radius: 8px;
  }

  .brand-en {
    display: none;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-cn {
    width: 72px;
  }

  .header-phone span {
    display: none;
  }

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

  .stat-item {
    flex: 1 1 auto;
    width: 100%;
    flex-direction: row;
    align-items: center;
  }

  /* 手机：取消与 Banner 的重叠上移；标题正常间距；卡片在上、背景图在下 */
  .pain {
    margin-top: 0;
    padding: 40px 0 32px;
  }

  .pain-layout {
    left: 0;
    width: 100%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  /* 小屏：标题恢复文档流，排在图片上方 */
  .pain-header {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    order: 0;
    width: 100%;
    margin-bottom: 8px;
  }

  .pain-visual {
    position: relative;
    left: auto;
    top: auto;
    order: 2;
    width: 100%;
    height: auto;
  }

  .pain-visual img {
    height: auto;
  }

  .pain-card {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    width: 100%;
    height: auto;
    min-height: 96px;
    padding: 18px 16px 18px 14px;
    gap: 12px;
    order: 1;
    background-size: 100% 100%;
  }

  .pain-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
  }

  .pain-card-text h3 {
    font-size: 16px;
    white-space: nowrap;
  }

  .pain-card-text p {
    font-size: 13px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .path-list {
    grid-template-columns: 1fr 1fr;
  }

  /* 小屏 CTA 堆叠样式见 shared/site-cta.css */
  .cta {
    margin-top: 24px;
    padding: 0 0 40px;
    overflow: visible;
  }

}

/* =========================================================
   滚动入场：放大滑入、错峰出现（无虚化）
   ========================================================= */
.item-reveal {
  opacity: 0;
  transform: translateY(20px) scale(0.94);
  transition:
    opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.item-reveal.is-in {
  opacity: 1;
  transform: none;
}

.item-reveal--left {
  transform: translateX(-32px) scale(0.96);
}

.item-reveal--right {
  transform: translateX(32px) scale(0.96);
}

.item-reveal--fade {
  transform: none;
}

.item-reveal--fade.is-in {
  transform: none;
}

/* 路径六步：依次向下滑入，始终保留 translateX(-50%) 居中 */
.path-captions li.item-reveal,
.path-captions li.item-reveal--fade {
  opacity: 0;
  transform: translateX(-50%) translateY(-22px);
  transition:
    opacity 0.4s ease,
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0s;
}

.path-captions li.item-reveal.is-in,
.path-captions li.item-reveal--fade.is-in {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.pain-header.item-reveal { transition-delay: 0.04s; }
.pain-visual.item-reveal { transition-delay: 0.1s; }
.pain-card-01.item-reveal { transition-delay: 0.12s; }
.pain-card-02.item-reveal { transition-delay: 0.26s; }
.pain-card-03.item-reveal { transition-delay: 0.2s; }
.pain-card-04.item-reveal { transition-delay: 0.34s; }

.panorama-header.item-reveal { transition-delay: 0.04s; }
.panorama-visual.item-reveal { transition-delay: 0.1s; }
.pano-tl.item-reveal { transition-delay: 0.16s; }
.pano-ml.item-reveal { transition-delay: 0.26s; }
.pano-bl.item-reveal { transition-delay: 0.36s; }
.pano-tr.item-reveal { transition-delay: 0.2s; }
.pano-mr.item-reveal { transition-delay: 0.3s; }
.pano-br.item-reveal { transition-delay: 0.4s; }
.pano-center.item-reveal { transition-delay: 0.22s; }

.process-header.item-reveal { transition-delay: 0.04s; }
.process-visual.item-reveal { transition-delay: 0.1s; }
.proc-01.item-reveal { transition-delay: 0.12s; }
.proc-02.item-reveal { transition-delay: 0.2s; }
.proc-03.item-reveal { transition-delay: 0.28s; }
.proc-04.item-reveal { transition-delay: 0.36s; }
.proc-05.item-reveal { transition-delay: 0.44s; }
.proc-06.item-reveal { transition-delay: 0.52s; }
.proc-07.item-reveal { transition-delay: 0.6s; }

.value-header.item-reveal { transition-delay: 0.04s; }
.value-visual.item-reveal { transition-delay: 0.1s; }
.value-panel-left.item-reveal { transition-delay: 0.16s; }
.value-panel-right.item-reveal { transition-delay: 0.28s; }
.value-vs.item-reveal { transition-delay: 0.22s; }
.value-panel li.item-reveal:nth-child(1) { transition-delay: 0.18s; }
.value-panel li.item-reveal:nth-child(2) { transition-delay: 0.28s; }
.value-panel li.item-reveal:nth-child(3) { transition-delay: 0.38s; }
.value-panel li.item-reveal:nth-child(4) { transition-delay: 0.48s; }

.path-header.item-reveal { transition-delay: 0.04s; }
.path-visual.item-reveal { transition-delay: 0.1s; }

.panorama-list li.item-reveal:nth-child(1),
.process-list li.item-reveal:nth-child(1),
.path-list li.item-reveal:nth-child(1) { transition-delay: 0.06s; }
.panorama-list li.item-reveal:nth-child(2),
.process-list li.item-reveal:nth-child(2),
.path-list li.item-reveal:nth-child(2) { transition-delay: 0.14s; }
.panorama-list li.item-reveal:nth-child(3),
.process-list li.item-reveal:nth-child(3),
.path-list li.item-reveal:nth-child(3) { transition-delay: 0.22s; }
.panorama-list li.item-reveal:nth-child(4),
.process-list li.item-reveal:nth-child(4),
.path-list li.item-reveal:nth-child(4) { transition-delay: 0.3s; }
.panorama-list li.item-reveal:nth-child(5),
.process-list li.item-reveal:nth-child(5),
.path-list li.item-reveal:nth-child(5) { transition-delay: 0.38s; }
.panorama-list li.item-reveal:nth-child(6),
.process-list li.item-reveal:nth-child(6),
.path-list li.item-reveal:nth-child(6) { transition-delay: 0.46s; }
.process-list li.item-reveal:nth-child(7) { transition-delay: 0.54s; }

/* 减少动态效果（尊重系统偏好） */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .item-reveal,
  .stat-item,
  .stat-divider {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 窄屏改用与关于我们一致的吸顶导航，隐藏设计稿顶栏 */
@media (max-width: 991px) {
  .site-header {
    display: none;
  }
}

/* =========================================================
   预约演示弹层：与首页 / 小推车 / 设备联网同一套表单
   ========================================================= */
#demoModal:not(.is-open) {
  display: none !important;
}

#demoModal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-size: 16px;
  line-height: 1.5;
}

#demoModal.is-open {
  display: flex;
}

#demoModal .modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 20, 45, 0.55);
}

#demoModal .modal__dialog {
  position: relative;
  z-index: 1;
  width: min(92vw, 28rem);
  background: #fff;
  border-radius: 12px;
  padding: 32px 28px 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

#demoModal .modal__close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 28px;
  line-height: 1;
  color: #999;
  border: none;
  background: none;
  cursor: pointer;
}

#demoModal .modal__title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #122;
}

#demoModal .modal__field {
  display: block;
  margin-bottom: 14px;
}

#demoModal .modal__field span {
  display: block;
  font-size: 13px;
  color: #666;
  margin-bottom: 6px;
}

#demoModal .modal__field input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
}

#demoModal .modal__field input:focus {
  border-color: var(--color-primary);
  outline: none;
}

#demoModal .modal__submit {
  width: 100%;
  height: 44px;
  margin-top: 8px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}