/* ==========================================================================
   极易智联装修经营系统 · 产品介绍页 样式
   ========================================================================== */

:root {
  --jy-blue: #2563FF;
  --jy-cyan: #00C8FF;
  --jy-dark: #0A0F1A;
  --jy-darker: #050914;
  --jy-gray: #9CA3AF;
  --jy-light: #F5F7FA;
  --jy-border: #E5E7EB;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1F2937;
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 兜底：手机端微信浏览器有时会让 width:auto 的容器塌缩 */
  width: 100%;
  min-width: 100vw;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

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

/* 导航样式统一由 css/nav.css 提供 */

/* ==========================================================================
   Hero 区
   ========================================================================== */
.hero {
  width: 100%;
  min-width: 100vw;
  padding: 120px 0 80px;
  background: linear-gradient(180deg, #F8FAFF 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,200,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  box-sizing: border-box;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37,99,255,0.08);
  color: var(--jy-blue);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--jy-dark);
  margin-bottom: 20px;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  color: #4B5563;
  margin-bottom: 12px;
  line-height: 1.6;
}
.hero-value {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,255,0.35);
}
.btn-outline {
  background: #fff;
  color: var(--jy-blue);
  border: 1.5px solid var(--jy-blue);
}
.btn-outline:hover {
  background: var(--jy-blue);
  color: #fff;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--jy-border);
}
.metric-item .num {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.metric-item .label {
  font-size: 13px;
  color: #6B7280;
  margin-top: 4px;
}

/* ==========================================================================
   移动端终极兜底（断点 1280px，覆盖微信浏览器 viewport 报告 980-1024 的场景）
   关键设计：
   1. .hero / .hero-inner / .container 全部强制 100vw
   2. 所有 layout 容器用 box-sizing: border-box 防止 padding 撑爆
   3. 所有子内容用 min-width: 0 防止 grid item 按内容撑大
   4. dashboard 截图用 width: 100% + max-width: 100% + height: auto 防止 1672px 原图撑爆
   5. .hero-metrics 用 minmax(0, 1fr) + 字号缩小防止 5分钟 竖排
   6. 全部用 !important 防止任何更高优先级规则覆盖
   ========================================================================== */
@media (max-width: 1280px) {

  /* --- 1. 全局兜底：body 强制 100vw + 防横向滚动 --- */
  body {
    width: 100vw !important;
    min-width: 100vw !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }
  html { overflow-x: hidden !important; }

  /* --- 2. hero 容器全宽，内部 padding 控制对齐 --- */
  .hero {
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    padding: 80px 0 60px !important;
    box-sizing: border-box !important;
  }
  .hero-inner {
    width: 100% !important;
    max-width: 1280px !important;
    padding: 0 20px !important;
    margin: 0 auto !important;
    grid-template-columns: 1fr !important;
    gap: 32px !important;
    box-sizing: border-box !important;
  }
  .hero-text,
  .hero-visual,
  .hero-cta,
  .hero-metrics {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  /* --- 4. 三列数字指标：minmax(0, 1fr) + 字号缩小防止 5分钟 竖排 --- */
  .hero-metrics {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }
  .metric-item {
    min-width: 0 !important;
    overflow: hidden !important;
    text-align: center !important;
  }
  .metric-item .num {
    font-size: 24px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .metric-item .label {
    font-size: 11px !important;
    line-height: 1.3 !important;
    word-break: break-all !important;
  }

  /* --- 5. dashboard 截图：强制 100% 宽 + height: auto --- */
  .screen-frame {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }
  .screen-frame img {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
  }

  /* --- 6. container 与 navbar 对齐 --- */
  .container {
    width: 100% !important;
    max-width: 1280px !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
  }

  /* --- 7. 字号缩小，匹配 mobile 视口 --- */
  .hero h1 { font-size: 32px !important; line-height: 1.2 !important; }
  .hero-tag { font-size: 12px !important; padding: 6px 14px !important; }
  .btn { padding: 12px 22px !important; font-size: 14px !important; }
}

/* ==========================================================================
   截图展示框架（含公司名遮罩）
   关键：CSS 遮罩裁切掉"长沙极易智联科技有限公司"，只显示 LOGO
   ========================================================================== */
.screen-frame {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #F5F7FA;
  box-shadow: 0 20px 60px rgba(10,15,26,0.12), 0 4px 12px rgba(10,15,26,0.06);
  border: 1px solid rgba(0,0,0,0.04);
}
.screen-frame img {
  width: 100%;
  display: block;
}
/* 公司名遮罩层 —— 覆盖"长沙极易智联科技有限公司"区域 */
.screen-frame .company-mask {
  position: absolute;
  /* 基于原图 1672x941：公司名约 x:18.2%-30%, y:2%-4% */
  left: 18.2%;
  top: 0;
  width: 12%;
  height: 6%;
  background: #FFFFFF;
  z-index: 2;
}
/* 部分截图右侧头像区域遮罩（保持简洁） */
.screen-frame .avatar-mask {
  position: absolute;
  right: 0;
  top: 0;
  width: 14%;
  height: 6%;
  background: #FFFFFF;
  z-index: 2;
}

.screen-frame.lg .company-mask { height: 6%; }
.screen-frame.md .company-mask { height: 6.5%; }
.screen-frame.sm .company-mask { height: 7%; }

.screen-caption {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.screen-caption .dot {
  width: 8px; height: 8px;
  background: var(--jy-blue);
  border-radius: 50%;
}
.screen-caption .text {
  font-size: 13px;
  color: #6B7280;
  font-weight: 500;
}

/* ==========================================================================
   通用 section
   ========================================================================== */
section { padding: 80px 24px; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; box-sizing: border-box; }

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--jy-blue);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--jy-dark);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title .gradient {
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: 17px;
  color: #4B5563;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}
.section-head { text-align: center; margin-bottom: 56px; }

/* ==========================================================================
   价值卡片
   ========================================================================== */
.values-section { background: #F8FAFF; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.value-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  border: 1px solid var(--jy-border);
  transition: all 0.3s;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(37,99,255,0.1);
  border-color: var(--jy-blue);
}
.value-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #fff;
}
.value-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--jy-dark);
  margin-bottom: 10px;
}
.value-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}
@media (max-width: 1024px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .values-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   全链路流程
   ========================================================================== */
.flow-section { background: var(--jy-dark); color: #fff; position: relative; overflow: hidden; }
.flow-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(37,99,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}
.flow-section .section-tag { color: var(--jy-cyan); }
.flow-section .section-title { color: #fff; }
.flow-section .section-sub { color: #94A3B8; }
.flow-inner { position: relative; z-index: 1; }

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.flow-step {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(37,99,255,0.2);
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  position: relative;
  transition: all 0.3s;
}
.flow-step:hover {
  background: rgba(37,99,255,0.1);
  border-color: var(--jy-cyan);
  transform: translateY(-2px);
}
.flow-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--jy-cyan);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.flow-icon {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.flow-step h5 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}
.flow-step p {
  font-size: 12px;
  color: #94A3B8;
  line-height: 1.5;
}
@media (max-width: 1024px) {
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   模块详细介绍
   ========================================================================== */
.module-section { padding: 100px 24px; }
.module-block {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 100px;
}
.module-block:last-child { margin-bottom: 0; }
.module-block.reverse {
  grid-template-columns: 1.1fr 1fr;
}
.module-block.reverse .module-text { order: 2; }
.module-block.reverse .module-visual { order: 1; }

.module-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 16px;
}
.module-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--jy-blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.module-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--jy-dark);
  line-height: 1.25;
  margin-bottom: 16px;
}
.module-desc {
  font-size: 16px;
  color: #4B5563;
  line-height: 1.7;
  margin-bottom: 24px;
}
.module-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.module-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: #374151;
  line-height: 1.6;
}
.module-features li .check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: rgba(37,99,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--jy-blue);
  margin-top: 2px;
}
.module-features li strong {
  color: var(--jy-dark);
  font-weight: 700;
}

.module-visual {
  position: relative;
}

@media (max-width: 1024px) {
  .module-block, .module-block.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .module-block.reverse .module-text { order: 1; }
  .module-block.reverse .module-visual { order: 2; }
  .module-title { font-size: 26px; }
}

/* ==========================================================================
   双截图展示（左右两张）
   ========================================================================== */
.dual-screens {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
.dual-screens .screen-frame { box-shadow: 0 8px 24px rgba(10,15,26,0.08); }
@media (max-width: 768px) {
  .dual-screens { grid-template-columns: 1fr; }
}

/* ==========================================================================
   优势区
   ========================================================================== */
.advantages-section { background: linear-gradient(180deg, #F8FAFF 0%, #fff 100%); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.adv-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  border: 1px solid var(--jy-border);
  text-align: center;
  transition: all 0.3s;
}
.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(37,99,255,0.1);
}
.adv-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #fff;
}
.adv-card h4 {
  font-size: 19px;
  font-weight: 700;
  color: var(--jy-dark);
  margin-bottom: 10px;
}
.adv-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: 1fr; max-width: 500px; margin: 48px auto 0; }
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-section {
  background: linear-gradient(135deg, var(--jy-blue) 0%, var(--jy-cyan) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 120%; height: 200%;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}
.cta-inner { position: relative; z-index: 1; }
.cta-section h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 18px;
  opacity: 0.95;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-phone {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: #fff;
}
.cta-phone a {
  display: inline-block;
  margin-left: 2px;
  color: #0A0F1A;
  background: #fff;
  padding: 4px 16px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.cta-phone a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}
.btn-white {
  background: #fff;
  color: var(--jy-blue);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--jy-darker);
  color: #94A3B8;
  padding: 48px 24px 32px;
  text-align: center;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo img { height: 32px; }
footer p { font-size: 14px; margin-bottom: 8px; }
footer .divider { height: 1px; background: rgba(255,255,255,0.1); margin: 24px auto; max-width: 200px; }

/* ==========================================================================
   Reveal 动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   工具类
   ========================================================================== */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }

/* ==========================================================================
   模块导航（侧边目录）
   ========================================================================== */
.module-toc {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 16px 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border: 1px solid var(--jy-border);
  display: none;
}
.module-toc.visible { display: block; }
.module-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  font-size: 12px;
  color: #6B7280;
  border-radius: 6px;
  transition: all 0.2s;
  white-space: nowrap;
}
.module-toc a:hover, .module-toc a.active {
  background: rgba(37,99,255,0.08);
  color: var(--jy-blue);
}
.module-toc .toc-num {
  width: 18px; height: 18px;
  background: var(--jy-light);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--jy-blue);
}
@media (max-width: 1280px) { .module-toc { display: none !important; } }

/* ==========================================================================
   标签/徽章
   ========================================================================== */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: rgba(37,99,255,0.06);
  color: var(--jy-blue);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

/* ==========================================================================
   数据条
   ========================================================================== */
.data-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--jy-border);
  border-radius: 10px;
  margin-top: 16px;
}
.data-bar .label {
  font-size: 13px;
  color: #6B7280;
  min-width: 80px;
}
.data-bar .track {
  flex: 1;
  height: 6px;
  background: #F3F4F6;
  border-radius: 100px;
  overflow: hidden;
}
.data-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--jy-blue), var(--jy-cyan));
  border-radius: 100px;
}
.data-bar .value {
  font-size: 14px;
  font-weight: 700;
  color: var(--jy-dark);
  min-width: 60px;
  text-align: right;
}

/* ==========================================================================
   全链路 · 经营操作系统九节点图
   ========================================================================== */
.os-block { margin-top: 88px; text-align: center; }
.os-title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.os-sub {
  font-size: 16px;
  color: #94A3B8;
  max-width: 740px;
  margin: 0 auto;
  line-height: 1.75;
}
.os-diagram {
  position: relative;
  width: 480px; height: 480px;
  max-width: 100%;
  margin: 44px auto 0;
}
.os-links {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
}
.os-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 132px; height: 132px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: #fff; text-align: center;
  z-index: 5;
  box-shadow: 0 0 0 10px rgba(255,255,255,0.04), 0 16px 50px rgba(37,99,255,0.45);
}
.os-core-main { font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.os-core-sub { font-size: 12px; font-weight: 400; opacity: 0.92; margin-top: 6px; line-height: 1.5; }
.os-node {
  position: absolute;
  top: 50%; left: 50%;
  width: 96px; height: 96px;
  margin: -48px 0 0 -48px;
  transform: rotate(var(--angle)) translateY(-198px) rotate(calc(-1 * var(--angle)));
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(37,99,255,0.35);
  border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  color: #fff;
  z-index: 4;
  transition: all 0.3s;
}
.os-node:hover {
  background: rgba(37,99,255,0.18);
  border-color: var(--jy-cyan);
  transform: rotate(var(--angle)) translateY(-198px) rotate(calc(-1 * var(--angle))) scale(1.07);
}
.os-node .os-ic { color: var(--jy-cyan); display: flex; }
.os-node span { font-size: 13px; font-weight: 600; }

/* ==========================================================================
   全链路 · 四大能力支柱
   ========================================================================== */
.pillars-block, .cases-block { margin-top: 88px; text-align: center; }
.block-title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.block-sub {
  font-size: 16px;
  color: #94A3B8;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.pillar-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(37,99,255,0.2);
  border-radius: 14px;
  padding: 30px 22px;
  text-align: center;
  transition: all 0.3s;
}
.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--jy-cyan);
  background: rgba(37,99,255,0.1);
}
.pillar-ic {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.pillar-card h4 { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.pillar-card p { font-size: 13px; color: #94A3B8; line-height: 1.6; }

/* ==========================================================================
   全链路 · 五大管理场景
   ========================================================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.case-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(37,99,255,0.18);
  border-radius: 14px;
  padding: 24px 16px;
  text-align: left;
  transition: all 0.3s;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--jy-cyan);
  background: rgba(37,99,255,0.08);
}
.case-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.case-num {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  color: #fff;
  font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.case-card h4 { font-size: 15px; font-weight: 700; color: #fff; }
.case-card > p { font-size: 12px; color: #94A3B8; margin-bottom: 14px; line-height: 1.6; }
.case-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.case-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: #CBD5E1; line-height: 1.5; }
.case-list li .ck { color: var(--jy-cyan); flex-shrink: 0; margin-top: 2px; }

/* 全链路响应式 */
@media (max-width: 1024px) {
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .pillars-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .cases-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .os-diagram { width: auto; height: auto; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
  .os-links, .os-core { display: none; }
  .os-node { position: static; transform: none !important; margin: 0; width: 84px; height: 84px; }
}


/* ============================================
   经营操作系统 · 流动的九个经营节点
   ============================================ */
.opsys-block {
  position: relative;
  padding: 96px 0 110px;
  background: radial-gradient(ellipse at 30% 20%, rgba(37,99,255,0.10) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(0,200,255,0.08) 0%, transparent 60%),
              #050914;
  overflow: hidden;
}
.opsys-block::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}
.opsys-grid {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 80px;
  align-items: center;
}
.opsys-content { position: relative; }
.opsys-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #00C8FF;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.opsys-title {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.2;
  margin-bottom: 14px;
}
.opsys-divider {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, #2563FF, #00C8FF);
  border-radius: 2px;
  margin-bottom: 22px;
}
.opsys-lead {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.opsys-sub {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,0.62);
  margin-bottom: 32px;
  max-width: 460px;
}
.opsys-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.opsys-card {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 12px;
  transition: all 0.3s;
}
.opsys-card:hover {
  background: rgba(0,200,255,0.06);
  border-color: rgba(0,200,255,0.35);
  transform: translateY(-2px);
}
.opsys-card-ic {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2563FF, #00C8FF);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,255,0.4);
}
.opsys-card h5 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.opsys-card p {
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
}

/* 右侧环形图 */
.opsys-orbit {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin: 0 auto;
}
.opsys-links {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}

/* 节点之间弧线（流程流转） */
.arc {
  fill: none;
  stroke: rgba(0,200,255,0.15);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 0 1000;
  transition: stroke-dasharray 0.3s;
}

/* 中心→节点放射线（流动光点） */
.ray {
  stroke: url(#flowGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  fill: none;
  stroke-dasharray: 18 200;
  animation: rayFlow 3.4s linear infinite;
  filter: drop-shadow(0 0 4px rgba(0,200,255,0.7));
}
.ray.r2 { animation-delay: -0.38s; }
.ray.r3 { animation-delay: -0.76s; }
.ray.r4 { animation-delay: -1.14s; }
.ray.r5 { animation-delay: -1.52s; }
.ray.r6 { animation-delay: -1.90s; }
.ray.r7 { animation-delay: -2.28s; }
.ray.r8 { animation-delay: -2.66s; }
.ray.r9 { animation-delay: -3.04s; }

@keyframes rayFlow {
  0%   { stroke-dashoffset: 218; opacity: 0;   }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { stroke-dashoffset: 0;   opacity: 0;   }
}

/* 弧线流动（节点之间数据流转） */
.arc {
  stroke-dasharray: 12 280;
  stroke: url(#flowGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  fill: none;
  animation: arcFlow 4.2s linear infinite;
  filter: drop-shadow(0 0 4px rgba(37,99,255,0.6));
}
.arc.a1 { animation-delay: 0s;     }
.arc.a2 { animation-delay: -0.5s;  }
.arc.a3 { animation-delay: -1.0s;  }
.arc.a4 { animation-delay: -1.5s;  }
.arc.a5 { animation-delay: -2.0s;  }
.arc.a6 { animation-delay: -2.5s;  }
.arc.a7 { animation-delay: -3.0s;  }
.arc.a8 { animation-delay: -3.5s;  }

@keyframes arcFlow {
  0%   { stroke-dashoffset: 292; opacity: 0;   }
  10%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { stroke-dashoffset: 0;   opacity: 0;   }
}

/* 中心圆 */
.opsys-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 34%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #4A8AFF 0%, #2563FF 35%, #0E3BB8 75%, #0A2A8A 100%);
  box-shadow:
    0 0 60px rgba(37,99,255,0.55),
    0 0 120px rgba(37,99,255,0.25),
    inset 0 0 30px rgba(0,200,255,0.35);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  color: #fff;
  z-index: 2;
  animation: corePulse 4.5s ease-in-out infinite;
}
@keyframes corePulse {
  0%,100% { box-shadow: 0 0 60px rgba(37,99,255,0.55), 0 0 120px rgba(37,99,255,0.25), inset 0 0 30px rgba(0,200,255,0.35); }
  50%     { box-shadow: 0 0 80px rgba(37,99,255,0.75), 0 0 160px rgba(37,99,255,0.35), inset 0 0 40px rgba(0,200,255,0.5); }
}
.opsys-core-main {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.opsys-core-sub {
  font-size: clamp(11px, 1.1vw, 13px);
  letter-spacing: 1px;
  opacity: 0.88;
  line-height: 1.5;
}

/* 9 个节点 */
.opsys-node {
  position: absolute;
  left: var(--tx);
  top: var(--ty);
  transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  background: rgba(10,15,26,0.85);
  border: 1px solid rgba(0,200,255,0.35);
  border-radius: 22px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.45), 0 0 18px rgba(0,200,255,0.18);
  z-index: 3;
  white-space: nowrap;
  transition: all 0.3s;
}
.opsys-node:hover {
  border-color: rgba(0,200,255,0.7);
  box-shadow: 0 8px 24px rgba(0,0,0,0.55), 0 0 28px rgba(0,200,255,0.45);
  transform: translate(-50%, -50%) scale(1.06);
}
.opsys-ic {
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #00C8FF;
  flex-shrink: 0;
}
.opsys-nl { line-height: 1; }

/* reveal 动画扩展（占位，避免冲突） */
.opsys-block.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.opsys-block.reveal.visible { opacity: 1; transform: none; }

/* 响应式 */
@media (max-width: 960px) {
  .opsys-block { padding: 64px 0 80px; }
  .opsys-grid { grid-template-columns: 1fr; gap: 48px; }
  .opsys-title { font-size: 32px; }
  .opsys-orbit { max-width: 420px; }
  .opsys-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .opsys-cards { grid-template-columns: 1fr; }
  .opsys-orbit { max-width: 320px; }
  .opsys-node { font-size: 11px; padding: 6px 10px; }
  .opsys-ic { width: 18px; height: 18px; }
  .opsys-ic svg { width: 14px; height: 14px; }
}

/* ==========================================================================
   全屋定制页 · 管理方法论（智慧工厂作战图）
   ========================================================================== */

/* 6 卡片（行业挑战） */
.values-grid.six-up { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1024px) { .values-grid.six-up { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .values-grid.six-up { grid-template-columns: 1fr; } }

/* 4 智能（赋能营销/生产/物流/控制） */
.adv-grid.four-up { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .adv-grid.four-up { grid-template-columns: repeat(2, 1fr); } }
.adv-grid.four-up .adv-card { text-align: left; }
.adv-grid.four-up .adv-card p { text-align: left; }
.adv-card h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--jy-blue);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
  text-align: left;
}
.adv-bullets {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  text-align: left;
}
.adv-bullets li {
  font-size: 13px;
  color: #4B5563;
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
  line-height: 1.55;
}
.adv-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
}

/* 八大平台模块 */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
@media (max-width: 1024px) { .platform-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .platform-grid { grid-template-columns: 1fr; } }
.platform-cell {
  background: #fff;
  border: 1px solid var(--jy-border);
  border-radius: 14px;
  padding: 24px 22px;
  position: relative;
  transition: all 0.3s;
}
.platform-cell:hover {
  transform: translateY(-3px);
  border-color: var(--jy-blue);
  box-shadow: 0 12px 30px rgba(37,99,255,0.08);
}
.platform-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--jy-cyan);
  margin-bottom: 10px;
}
.platform-cell h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--jy-dark);
  margin-bottom: 8px;
}
.platform-cell p {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.65;
}

/* Hero 智慧工厂 SVG 容器 */
.smart-factory-svg {
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(37,99,255,0.10);
  border: 1px solid var(--jy-border);
  max-width: 540px;
  margin: 0 auto;
}
.smart-factory-svg svg { display: block; }

/* ===== 核心优势卡片（全屋定制管理系统） ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 12px;
}
.advantage-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--jy-border);
  border-radius: 18px;
  padding: 26px 26px 22px;
  box-shadow: 0 8px 28px rgba(13,32,71,0.05);
  transition: transform .25s ease, box-shadow .25s ease;
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(37,99,255,0.12);
}
.ac-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.ac-no {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.advantage-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--jy-dark);
  line-height: 1.35;
}
.ac-value {
  font-size: 14px;
  font-weight: 600;
  color: #1E293B;
  line-height: 1.6;
  margin-bottom: 10px;
}
.ac-mech {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.72;
}
.ac-mech b { color: var(--jy-blue); font-weight: 700; }
.ac-core {
  margin-top: 14px;
  font-size: 12.5px;
  color: #64748B;
  background: #F1F5FB;
  border-radius: 10px;
  padding: 10px 12px;
  line-height: 1.6;
}
.ac-core b { color: var(--jy-dark); font-weight: 700; }
@media (max-width: 768px) {
  .advantages-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   全屋定制管理系统页 · 设计升级
   （背景节奏 / 品牌光斑 / 卡片质感 / 视觉锚点 —— 纯 CSS，不改结构）
   ============================================================ */

/* —— 区块背景节奏：深浅交替，制造呼吸感 —— */
#challenge.values-section,
#landing.values-section { background:#FFFFFF; }
#advantages.advantages-section {
  position:relative;
  background:linear-gradient(180deg, #F5F8FF 0%, #FBFDFF 100%);
}
#smart-factory.advantages-section { background:#FFFFFF; }
#platform.module-section {
  background:linear-gradient(180deg, #FBFDFF 0%, #F5F8FF 100%);
}

/* —— 核心优势区柔和光斑，提升层次 —— */
#advantages.advantages-section::before {
  content:""; position:absolute; z-index:0;
  top:-60px; left:50%; transform:translateX(-50%);
  width:760px; height:420px;
  background:radial-gradient(circle at 50% 30%, rgba(37,99,255,.07), rgba(0,200,255,0) 70%);
  pointer-events:none;
}
#advantages.advantages-section .container { position:relative; z-index:1; }

/* —— Hero 品牌光斑 —— */
.hero::before {
  content:""; position:absolute; z-index:0;
  top:-180px; right:-120px; width:560px; height:560px; border-radius:50%;
  background:radial-gradient(circle at 50% 50%, rgba(37,99,255,.16), rgba(0,200,255,0) 68%);
  filter:blur(8px); pointer-events:none;
}
.hero::after {
  content:""; position:absolute; z-index:0;
  bottom:-220px; left:-140px; width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle at 50% 50%, rgba(0,200,255,.12), rgba(0,200,255,0) 68%);
  filter:blur(8px); pointer-events:none;
}
.hero-inner { position:relative; z-index:1; }
.hero h1 { letter-spacing:-.5px; }

/* —— Eyebrow 标签胶囊化 —— */
.section-tag {
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:700; letter-spacing:.14em;
  color:var(--jy-blue);
  background:linear-gradient(135deg, rgba(37,99,255,.10), rgba(0,200,255,.10));
  border:1px solid rgba(37,99,255,.20);
  padding:7px 14px; border-radius:999px; margin-bottom:18px;
}
.section-tag::before {
  content:""; width:6px; height:6px; border-radius:50%;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
}

/* —— 统一卡片质感：渐变顶边 + 悬浮上浮 + 蓝色描边 —— */
.value-card, .advantage-card, .adv-card, .platform-cell {
  position:relative;
  border:1px solid #E9EFF8;
  background:#FFFFFF;
  border-radius:18px;
  box-shadow:0 6px 22px rgba(15,23,42,.04);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  overflow:hidden;
}
.value-card::before, .advantage-card::before, .adv-card::before, .platform-cell::before {
  content:""; position:absolute; left:0; right:0; top:0; height:3px;
  background:linear-gradient(90deg, var(--jy-blue), var(--jy-cyan));
  opacity:0; transition:opacity .3s ease;
}
.value-card:hover, .advantage-card:hover, .adv-card:hover, .platform-cell:hover {
  transform:translateY(-6px);
  box-shadow:0 20px 46px rgba(37,99,255,.14);
  border-color:rgba(37,99,255,.28);
}
.value-card:hover::before, .advantage-card:hover::before, .adv-card:hover::before, .platform-cell:hover::before {
  opacity:1;
}

/* —— 图标容器立体感 —— */
.value-icon { box-shadow:0 8px 18px rgba(37,99,255,.22); }
.adv-icon { box-shadow:0 10px 22px rgba(37,99,255,.22); }

/* —— 平台大号渐变编号，作为视觉锚点 —— */
.platform-num {
  font-size:32px; font-weight:800; line-height:1; margin-bottom:12px;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* —— Hero 数据胶囊 —— */
.hero-metrics { gap:18px; }
.metric-item {
  background:rgba(255,255,255,.72);
  border:1px solid rgba(37,99,255,.12);
  border-radius:14px;
  padding:16px 14px;
  text-align:center;
  backdrop-filter:blur(6px);
}

/* —— 移动端保持卡片圆角与间距 —— */
@media (max-width: 600px) {
  .value-card, .advantage-card, .adv-card, .platform-cell { border-radius:16px; }
  .metric-item { padding:14px 10px; }
}

/* ============================================================
   全屋定制管理系统页 · 重新设计配套样式
   ============================================================ */

/* —— 区块副标题 —— */
.section-sub {
  font-size:16px; color:#64748B; margin-top:14px; max-width:640px; line-height:1.7;
}

/* —— 核心优势：四大支柱（仅作用于 .pillars-section 容器，避免污染装饰页的深色卡） —— */
.pillars-section .section-head { margin-bottom:44px; }
.pillars-section .pillars-grid {
  display:grid; grid-template-columns:repeat(4, 1fr); gap:24px;
}
.pillars-section .pillar-card {
  position:relative; overflow:hidden;
  background:#fff; border:1px solid #E9EFF8; border-radius:18px;
  padding:30px 26px 28px;
  box-shadow:0 6px 22px rgba(15,23,42,.04);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.pillars-section .pillar-card::before {
  content:""; position:absolute; left:0; right:0; top:0; height:4px;
  background:linear-gradient(90deg, var(--jy-blue), var(--jy-cyan));
}
.pillars-section .pillar-card:hover {
  transform:translateY(-6px);
  box-shadow:0 22px 48px rgba(37,99,255,.16);
  border-color:rgba(37,99,255,.28);
}
.pillars-section .pillar-top { display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:18px; }
.pillars-section .pillar-icon {
  width:52px; height:52px; border-radius:14px;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 22px rgba(37,99,255,.25);
}
.pillars-section .pillar-no {
  font-size:30px; font-weight:800; line-height:1;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  opacity:.85;
}
.pillars-section .pillar-card h3 { font-size:20px; font-weight:700; color:var(--jy-dark); margin-bottom:10px; }
.pillars-section .pillar-lead { font-size:14px; font-weight:600; color:#1E293B; line-height:1.6; margin-bottom:16px; }
.pillars-section .pillar-points { list-style:none; padding:0; margin:0; }
.pillars-section .pillar-points li {
  position:relative; padding-left:18px; margin-bottom:9px;
  font-size:13.5px; color:#475569; line-height:1.5;
}
.pillars-section .pillar-points li::before {
  content:""; position:absolute; left:0; top:7px;
  width:7px; height:7px; border-radius:50%;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
}

/* —— 全链路流程大图 —— */
.flow-showcase { margin-top:56px; }
.flow-caption {
  font-size:15px; font-weight:700; color:var(--jy-dark);
  margin-bottom:18px; text-align:center;
}
.flow-caption::before {
  content:""; display:inline-block; width:8px; height:8px; border-radius:50%;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  margin-right:8px; vertical-align:middle;
}
.flow-svg-wrap {
  background:#fff; border:1px solid #E9EFF8; border-radius:18px;
  box-shadow:0 10px 34px rgba(37,99,255,.08);
  padding:24px 20px; overflow-x:auto;
}
.flow-svg { width:100%; min-width:760px; height:auto; display:block; }

/* —— 帮扶陪跑：时间线 —— */
.timeline { display:grid; grid-template-columns:repeat(4, 1fr); gap:28px 24px; }
.timeline-item { position:relative; padding-top:8px; }
.timeline-item::before {
  content:""; position:absolute; top:0; left:0; width:38px; height:4px;
  border-radius:4px; background:linear-gradient(90deg, var(--jy-blue), var(--jy-cyan));
}
.tl-step { font-size:12px; font-weight:700; letter-spacing:.08em; color:var(--jy-blue); }
.tl-dot {
  width:16px; height:16px; border-radius:50%;
  background:linear-gradient(135deg, var(--jy-blue), var(--jy-cyan));
  margin:14px 0 16px; box-shadow:0 6px 14px rgba(37,99,255,.3);
}
.timeline-item h4 { font-size:17px; font-weight:700; color:var(--jy-dark); margin-bottom:8px; }
.timeline-item p { font-size:13.5px; color:#475569; line-height:1.7; }

/* —— 重新设计响应式 —— */
@media (max-width: 1024px) {
  .pillars-section .pillars-grid { grid-template-columns:repeat(2, 1fr); }
  .timeline { grid-template-columns:repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .pillars-section .pillars-grid { grid-template-columns:1fr; }
  .timeline { grid-template-columns:1fr; }
}

/* ========== 13 环节流程条 + 八大平台升级 ========== */
.platform-section { position:relative; padding-top:96px; padding-bottom:96px; }
.platform-section .section-lead {
  max-width: 760px; margin: 14px auto 0;
  font-size: 15px; line-height: 1.8; color: var(--jy-gray, #6B7280);
}
.platform-section .section-head { margin-bottom: 36px; }

/* 流程条容器 */
.flow-strip {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF 0%, #F4F8FF 100%);
  border: 1px solid #E4ECFF;
  border-radius: 20px;
  padding: 22px 24px 18px;
  margin-bottom: 40px;
  box-shadow: 0 8px 28px -16px rgba(37,99,255,0.18);
  overflow: hidden;
}
.flow-strip::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(circle at 8% 0%, rgba(37,99,255,0.06), transparent 40%),
    radial-gradient(circle at 92% 100%, rgba(0,200,255,0.06), transparent 40%);
  pointer-events:none;
}
.flow-strip-axis {
  display:flex; flex-wrap:wrap; gap:8px; justify-content:center;
  position:relative; z-index:1;
}
.flow-strip-axis .step {
  position:relative;
  display:inline-flex; align-items:center; gap:6px;
  padding: 8px 12px 8px 28px;
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background:#FFFFFF;
  border: 1px solid #E4ECFF;
  color:#1F2937;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  cursor: default;
  white-space: nowrap;
}
.flow-strip-axis .step::before {
  content: attr(data-n);
  position:absolute; left:6px; top:50%; transform:translateY(-50%);
  width:18px; height:18px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; color:#FFFFFF;
  background: linear-gradient(135deg, #2563FF, #00C8FF);
}
.flow-strip-axis .step:hover { transform:translateY(-2px); border-color:#2563FF; box-shadow:0 6px 18px -10px rgba(37,99,255,.35); }
/* 三色分块 */
.flow-strip-axis .step.s-marketing { background: linear-gradient(135deg, #EAF1FF, #F4F8FF); border-color:#DCE7FF; color:#1E3A8A; }
.flow-strip-axis .step.s-production { background: linear-gradient(135deg, #0A0F1A, #1A2440); border-color:#0A0F1A; color:#FFFFFF; }
.flow-strip-axis .step.s-production::before { background: linear-gradient(135deg, #00C8FF, #2563FF); }
.flow-strip-axis .step.s-after { background: linear-gradient(135deg, #E6FAFF, #F0FBFF); border-color:#CFF1FF; color:#075985; }
.flow-strip-axis .step.s-after::before { background: linear-gradient(135deg, #087CFA, #00C8FF); }

/* 图例 */
.flow-strip-legend {
  display:flex; flex-wrap:wrap; gap:18px; justify-content:center;
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed #E4ECFF;
  position:relative; z-index:1;
}
.flow-strip-legend .lg {
  display:inline-flex; align-items:center; gap:8px;
  font-size: 12px; color:#6B7280; font-weight:600; letter-spacing:.5px;
}
.flow-strip-legend .lg i {
  width:18px; height:8px; border-radius:4px; display:inline-block;
}
.flow-strip-legend .lg-marketing i { background: linear-gradient(90deg, #2563FF, #00C8FF); }
.flow-strip-legend .lg-production i { background: linear-gradient(90deg, #0A0F1A, #1A2440); }
.flow-strip-legend .lg-after i { background: linear-gradient(90deg, #087CFA, #00C8FF); }

/* 4×2 平台卡（升级版） */
.platform-grid {
  display:grid; grid-template-columns:repeat(4, 1fr); gap: 18px;
}
.platform-cell {
  position:relative;
  background:#FFFFFF;
  border:1px solid #E4ECFF;
  border-radius: 18px;
  padding: 22px 20px 20px;
  display:flex; gap:16px; align-items:flex-start;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  overflow:hidden;
}
.platform-cell::before {
  content:""; position:absolute; left:0; right:0; top:0; height:3px;
  background: linear-gradient(90deg, #2563FF, #00C8FF);
  opacity:0; transition: opacity .25s ease;
}
.platform-cell:hover { transform: translateY(-4px); border-color:#B8D1FF; box-shadow: 0 18px 36px -22px rgba(37,99,255,.45); }
.platform-cell:hover::before { opacity:1; }
.platform-cell .platform-num {
  flex: 0 0 auto;
  width: 46px; height: 46px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  font-size: 18px; font-weight: 800; color:#FFFFFF;
  background: linear-gradient(135deg, #2563FF 0%, #00C8FF 100%);
  box-shadow: 0 8px 20px -8px rgba(37,99,255,.5);
  letter-spacing:.5px;
}
.platform-cell .platform-body { flex:1 1 auto; min-width:0; }
.platform-cell h4 {
  margin: 0 0 8px 0; font-size: 17px; font-weight: 700; color:#0A0F1A; line-height:1.3;
}
.platform-cell .platform-tag {
  display:inline-block; font-size: 11px; font-weight: 600;
  padding: 3px 9px; border-radius: 999px;
  margin-bottom: 8px; letter-spacing: .3px;
  border: 1px solid transparent;
}
.platform-cell .tag-marketing { background:#EAF1FF; color:#1E3A8A; border-color:#DCE7FF; }
.platform-cell .tag-production { background:#0A0F1A; color:#FFFFFF; border-color:#0A0F1A; }
.platform-cell .tag-after { background:#E6FAFF; color:#075985; border-color:#CFF1FF; }
.platform-cell .platform-how {
  margin: 0 0 8px 0; font-size: 13px; line-height: 1.7; color:#4B5563;
}
.platform-cell .platform-why {
  margin: 0; font-size: 12.5px; line-height: 1.65; color:#2563FF;
  padding: 8px 10px; background:#F4F8FF; border-radius: 8px;
}
.platform-cell .platform-why b { color:#0A0F1A; font-weight:700; }

/* 响应式 */
@media (max-width: 1024px) {
  .platform-grid { grid-template-columns:repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .platform-grid { grid-template-columns:1fr; gap:14px; }
  .platform-cell { padding: 18px 16px; }
  .platform-cell .platform-num { width:40px; height:40px; font-size:16px; border-radius:10px; }
  .flow-strip { padding: 16px 14px 14px; border-radius: 16px; }
  .flow-strip-axis .step { font-size: 12px; padding: 7px 10px 7px 24px; }
  .flow-strip-axis .step::before { width:16px; height:16px; font-size:10px; }
}

/* ============ 相关洞察（产品页底部） ============ */
#related-insights{padding:80px 0;}
.rel-eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#2563FF;font-weight:700;margin-bottom:10px;}
.rel-title{font-size:26px;font-weight:700;margin:0 0 10px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px;}
.rel-card{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:14px;text-decoration:none;color:inherit;
  background:rgba(127,127,127,.06);border:1px solid rgba(127,127,127,.16);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(37,99,255,.5);box-shadow:0 12px 26px rgba(37,99,255,.18);}
.rel-tag{font-size:12px;color:#2563FF;font-weight:600;}
.rel-card h3{font-size:16px;line-height:1.4;margin:0;}
.rel-card p{font-size:13px;line-height:1.6;opacity:.72;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-more{font-size:13px;color:#2563FF;font-weight:600;margin-top:4px;}
@media(max-width:860px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.rel-grid{grid-template-columns:1fr;}}