/* =========================================================
   鼎悠科技有限公司 · 企业官网共享样式（精致企业版）
   设计基调：商务蓝 / 稳重专业 / 层次丰富 / 微交互
   替换 --brand 即可整体换肤；所有组件均响应式。
   ========================================================= */

:root {
  /* 品牌主色：商务蓝 */
  --brand: #1a6dd6;
  --brand-dark: #155bb5;
  --brand-darker: #0f3f7a;
  --brand-soft: #eaf2fd;
  --brand-soft-2: #f3f8ff;
  --brand-grad: linear-gradient(135deg, #2b8bff 0%, #155bb5 100%);
  --brand-grad-deep: linear-gradient(135deg, #1a6dd6 0%, #0f3f7a 100%);

  /* 中性色 */
  --ink: #16202e;
  --ink-2: #35415a;
  --muted: #5b6573;
  --line: #e8ecf2;
  --line-soft: #f0f3f8;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-soft-2: #eef3fa;
  --bg-deep: #0c2238;
  --bg-deep-2: #0f2b48;

  /* 形状与阴影 */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-xs: 0 2px 8px rgba(15, 42, 80, .05);
  --shadow: 0 10px 30px rgba(15, 42, 80, .08);
  --shadow-lg: 0 22px 56px rgba(15, 42, 80, .14);
  --ring: 0 0 0 4px var(--brand-soft);
  --maxw: 1200px;
  --maxw-narrow: 960px;
  --header-h: 68px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--ink); }
p { margin: 0 0 14px; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: var(--maxw-narrow); }

/* 通用文字辅助 */
.muted { color: var(--muted); }
.center { text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--brand); border-radius: 2px; }
/* 空小标题占位：预留原小标题行高，使主标题位置在有/无小标题时保持一致（仅隐藏视觉，保留占位） */
.eyebrow--empty { visibility: hidden; min-height: 23px; }
.section--deep .eyebrow, .on-dark .eyebrow { color: #8fc0ff; }
.section--deep .eyebrow::before, .on-dark .eyebrow::before { background: #8fc0ff; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 14px; letter-spacing: -.01em; }
.section-head p { color: var(--muted); font-size: 16.5px; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--brand-soft); color: var(--brand-dark);
}

/* 区块分隔装饰 */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }

/* ---------- 顶部公告条 ---------- */
.topbar {
  background: var(--bg-deep); color: #cfe0f4; font-size: 13.5px;
  text-align: center; padding: 8px 16px;
}
.topbar a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
/* 导航项增多后，顶部容器适当加宽，保证 6 个一级菜单不挤压 */
.site-header > .container { max-width: 1200px; }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand img { display: block; height: 38px; width: auto; flex: none; }
.logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; flex: none;
  box-shadow: 0 6px 16px rgba(26, 109, 214, .35);
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-item { position: relative; }
.nav-links > a,
.nav-links > .nav-item > a {
  color: var(--ink-2); font-weight: 500; font-size: 16px; position: relative;
  padding: 8px 0; transition: color .2s; text-decoration: none;
  display: inline-flex; align-items: center;
}
.nav-links > a:hover,
.nav-links > .nav-item:hover > a,
.nav-links > .nav-item > a:hover { color: var(--brand); }
.nav-links > a.active,
.nav-links > .nav-item > a.active { color: var(--brand); }
.nav-links > a.active::after,
.nav-links > .nav-item > a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--brand); border-radius: 2px;
}

/* 二级导航（影布下拉框） */
.mega-menu {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  opacity: 0; visibility: hidden; pointer-events: none;
  background: #fff; border-radius: 14px; padding: 22px 26px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .16); min-width: 220px;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 90;
}
.mega-menu::before {
  content: ""; position: absolute; top: -6px; left: 50%; transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px; background: #fff; border-radius: 2px;
}
.mega-menu::after {
  content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 10px;
}
.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-grid { display: grid; grid-template-columns: minmax(160px, 1fr); gap: 24px; }
.mega-grid--2 { grid-template-columns: repeat(2, minmax(150px, 1fr)); min-width: 340px; }
.mega-grid--3 { grid-template-columns: repeat(3, minmax(150px, 1fr)); min-width: 520px; }
.mega-col h4 {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--ink); margin: 0 0 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.mega-icon {
  display: inline-flex; align-items: center; justify-content: center;
  flex: none; width: 18px; height: 18px;
}
.mega-icon svg { display: block; width: 14px; height: 14px; }
.mega-col a {
  display: block; padding: 6px 0; font-size: 14px; color: var(--ink-2);
  text-decoration: none; transition: color .2s, padding-left .2s;
}
.mega-col a:hover { color: var(--brand); padding-left: 4px; }

.nav-cta { margin-left: 8px; display: inline-flex; align-items: center; gap: 10px; }
.cta-wrap { position: relative; display: inline-block; }
.nav-cta .btn--primary { background: #ff7a00; box-shadow: 0 10px 24px rgba(255,122,0,.3); }
.nav-cta .btn--primary:hover { background: #e66d00; box-shadow: 0 14px 30px rgba(255,122,0,.42); transform: translateY(-1px); }
.cta-wrap .cta-tooltip {
  position: absolute; top: calc(100% + 10px); left: 50%;
  display: inline-flex; align-items: center; gap: 8px;
  transform: translateX(-50%) translateY(-8px) scale(.96);
  background: #ff7a00; color: #fff; padding: 10px 16px; border-radius: 12px;
  font-size: 14px; font-weight: 600; white-space: nowrap;
  opacity: 0; visibility: hidden; transition: .2s var(--ease);
  pointer-events: none; z-index: 50;
  box-shadow: 0 10px 28px rgba(255, 122, 0, .38);
}
.cta-wrap .cta-tooltip::after {
  content: ""; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-bottom-color: #ff7a00;
}
.cta-wrap:hover .cta-tooltip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0) scale(1); }
.cta-wrap .cta-tooltip svg { flex: none; opacity: .95; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 24px; border-radius: 10px;
  font-size: 15px; font-weight: 600; cursor: pointer; position: relative; overflow: hidden;
  border: 1px solid transparent; transition: transform .15s var(--ease), box-shadow .2s, background .2s; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--brand-grad); color: #fff; box-shadow: 0 10px 24px rgba(26, 109, 214, .3); }
.btn--primary:hover { box-shadow: 0 14px 30px rgba(26, 109, 214, .42); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--brand); border-color: #cfe0f7; }
.btn--ghost:hover { background: var(--brand-soft); border-color: var(--brand); }
.btn--light { background: #fff; color: var(--brand); }
.btn--light:hover { background: rgba(255, 255, 255, .92); }
.btn--dark { background: var(--bg-deep); color: #fff; }
.btn--dark:hover { background: #0a1c30; }
.btn--lg { height: 54px; padding: 0 32px; font-size: 16px; }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Hero（标准） ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--brand-soft-2), #fff 70%); padding: 92px 0 78px; }
.hero .eyebrow { margin-bottom: 16px; }
.hero h1 { font-size: clamp(30px, 4.6vw, 50px); line-height: 1.18; margin-bottom: 20px; max-width: 16em; letter-spacing: -.02em; }
.hero .lead { font-size: 18.5px; color: var(--muted); max-width: 44em; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 装饰光斑 */
.hero .blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; pointer-events: none; z-index: 0; }
.hero .blob.b1 { width: 360px; height: 360px; background: #9cc6ff; top: -120px; right: -80px; }
.hero .blob.b2 { width: 280px; height: 280px; background: #cfe0ff; bottom: -120px; left: -60px; opacity: .4; }
.hero .container { position: relative; z-index: 1; }

/* Hero 带背景图（行业解决方案页） */
.hero--media {
  background: linear-gradient(120deg, rgba(15,46,92,.86), rgba(21,119,210,.82)), url('../img/banner-hero.png') center/cover no-repeat;
}
.hero--media .blob { display: none; }
.hero--media .eyebrow { color: rgba(255,255,255,.82); }
.hero--media .eyebrow::before { background: rgba(255,255,255,.45); }
.hero--media h1, .hero--media .lead { color: #fff; }
.ai-hero { background-image: linear-gradient(135deg, rgba(21,119,210,.90), rgba(13,71,161,.92)), url('../img/ai-hero.png'); background-size: cover; background-position: center; }

/* ---------- Hero 轮播（首页 5 张） ---------- */
.hero--carousel { padding: 36px 0 24px; }
/* 科技感细网格底纹：极淡品牌蓝，覆盖整个 hero 背景；极轻微流动，尊重 reduced-motion */
/* 流动曲线线条背景（参考用户素材的"成束平行细曲线"，资产 assets/img/hero-lines.svg）
   inset 负值留漂移余量；transform 漂移走 GPU 合成，reduced-motion 下静止 */
.hero--carousel::before {
  content: ""; position: absolute; inset: -20px; z-index: 0; pointer-events: none;
  background: url("../img/hero-lines.svg") center / cover no-repeat;
  animation: heroLinesDrift 36s ease-in-out infinite alternate;
  will-change: transform;
}
.hero--carousel .container { position: relative; z-index: 1; }
@keyframes heroLinesDrift { from { transform: translate3d(0,0,0); } to { transform: translate3d(-16px, 10px, 0); } }
@media (prefers-reduced-motion: reduce) { .hero--carousel::before { animation: none; } }
/* 固定画框高度：所有 slide 绝对铺满同一框，媒体在各 slide 中按同一 560px 居中，
   切换 slide 时右侧媒体不再随左栏文字高度上下跳动（修复视频比图片靠下的问题） */
.hero-slider { position: relative; height: 560px; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transform: translateX(24px);
  transition: opacity .55s var(--ease), transform .55s var(--ease), visibility .55s;
}
.hero-slide.active {
  opacity: 1; visibility: visible; transform: none;
}
.hero-dots {
  position: absolute; bottom: 80px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 3;
}
.hero-dot {
  width: 18px; height: 6px; border-radius: 3px;
  border: 0; padding: 0; background: var(--line); cursor: pointer;
  transition: width .25s, background .25s;
}
.hero-dot.active { width: 34px; background: var(--brand); }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: var(--shadow); z-index: 3; transition: .2s;
}
.hero-arrow:hover { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); }
.hero-prev { left: -24px; }
.hero-next { right: -24px; }
@media (max-width: 1080px) {
  .hero-prev { left: 12px; }
  .hero-next { right: 12px; }
}
@media (max-width: 860px) {
  .hero-slider { height: auto; min-height: 0; }
  .hero-slide.active { position: relative; }
  .hero-split { height: auto; }
}
@media (max-width: 680px) {
  .hero-arrow { display: none; }
  .hero-dots { bottom: -36px; left: 50%; transform: translateX(-50%); }
  .hero--carousel { padding-bottom: 76px; }
}

/* ---------- AI 页 Hero 轮播（顶部横幅，网格叠放自适应高度） ---------- */
/* 关键修复：用 grid 把全部 slide 叠在 1/1 同一格——容器高度自动等于“最高那张”
   （第 3 张含 4 个数据，最高），切换时只改 opacity，不触发重排(reflow)，
   从而消除原来“激活张变 position:relative 撑高容器”导致的闪一下 */
.hero-slider--ai-hero { display: grid; height: auto; min-height: 0; align-items: stretch; padding-bottom: 44px; }
.hero-slider--ai-hero .hero-slide {
  grid-area: 1 / 1;
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  will-change: opacity, transform; backface-visibility: hidden;
}
/* 内容区靠上，按钮区靠下 */
.hero-slider--ai-hero .hero-slide__copy { flex: 0 0 auto; margin-top: -46px; }
.hero-slider--ai-hero .hero-actions { flex: 0 0 auto; }
/* 圆点：放在内容下方预留的 44px 空间里 */
.hero-slider--ai-hero .hero-dots { bottom: 0; }
/* 箭头在蓝色背景上用白色圆底，hover 用品牌蓝 */
.hero-slider--ai-hero .hero-arrow { background: #fff; border-color: rgba(255,255,255,.6); color: var(--brand); }
.hero-slider--ai-hero .hero-arrow:hover { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); }
@media (max-width: 680px) {
  .hero-slider--ai-hero .hero-arrow { display: none; }
  .hero-slider--ai-hero .hero-dots { bottom: 4px; }
}

/* ---------- Hero 双栏（首页增强） ---------- */
.hero--split { padding: 72px 0 64px; }
.hero-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; height: 100%; }
/* 轮播图：加宽右侧图片容器（第 2 列），左文右图比例由 1.05:.95 调整为 .8:1.2 */
.hero--carousel .hero-split { grid-template-columns: 0.8fr 1.2fr; }
/* 轮播图片容器：保留 16/9 尺寸（调试检视底色/虚线已移除） */
.hero--carousel .hero-media { aspect-ratio: 16 / 9; }
/* 小标题移除后：图片/视频容器下移，顶端落在原「小标题↔主标题」间距的中点（约 = 小标题行高 23px + 间距一半 8px） */
.hero--carousel .hero-visual { margin-top: 30px; }
/* 轮播按钮与上方导语拉开间距：用 padding-top 而非 margin-top，避免与导语 margin-bottom 塌陷 */
.hero--carousel .hero-actions { padding-top: 20px; }
/* 轮播主标题小一号（最大 50px → 42px）；标题下间距 20→40px；标题整体下移 30px（padding-top 避开与上方空槽位 margin 塌陷） */
.hero--carousel .hero-copy h1 { font-size: clamp(26px, 4vw, 42px); margin-bottom: 20px; padding-top: 30px; }
/* 轮播副标题(导语)字号放大 18.5→24px；颜色在 --muted(#5b6573) 基础加深三度 → #2f3640 */
.hero--carousel .hero-copy .lead { font-size: 24px; color: #2f3640; }
/* 前四张主标题渐变染色（参考截图：蓝紫 #3346fe → 紫 #8f52fd → 品红 #fb5287，水平方向）
   用 :nth-child(-n+4) 锁定前四张 slide，其余保持深蓝；width:fit-content 让渐变跟随文字实际宽度 */
.hero--carousel .hero-slide:nth-child(-n+4) .hero-copy h1 {
  width: fit-content;
  background: linear-gradient(90deg, #3346fe 0%, #8f52fd 55%, #fb5287 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero-visual { position: relative; }
/* hero 右侧可视化：图片 / 视频（替代原数据看板时） */
.hero-media {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: fill;
  background: transparent; border: none; border-radius: 0;
  box-shadow: none; position: relative; z-index: 1;
}
.hero-media[autoplay] { object-fit: contain; } /* 视频保留比例，避免变形 */

/* 视频封面触发器（默认不播放，点击弹窗播放） */
.hero-video-trigger {
  display: block; width: 100%; aspect-ratio: 4 / 3; border: none;
  border-radius: var(--radius-lg); position: relative; z-index: 1;
  background-color: #0c2238; background-size: cover; background-position: center; cursor: pointer;
  padding: 0; overflow: hidden;
}
/* 封面四角阴影问题：去掉 box-shadow；遮罩改为均匀半透明，不要 135deg 渐变暗角 */
.hero-video-trigger::after {
  content: ""; position: absolute; inset: 0;
  background: rgba(8,18,30,.22);
}
.hero-video-trigger .play-badge {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 128px; height: 128px; border-radius: 50%;
  background: transparent; color: #fff;
  display: flex; align-items: center; justify-content: center;
  z-index: 2; transition: transform .18s ease;
}
.hero-video-trigger .play-badge svg { display: block; width: 56px; height: 56px; }
.hero-video-trigger:hover .play-badge { transform: translate(-50%, -50%) scale(1.05); }

/* 视频播放弹窗（16:9 填满、圆角、无黑边） */
.hero-video-modal { position: fixed; inset: 0; z-index: 1000; display: none; }
.hero-video-modal.open { display: block; }
.hvm-backdrop { position: absolute; inset: 0; background: rgba(8,18,30,.78); backdrop-filter: blur(2px); }
.hvm-dialog {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(920px, 92vw); aspect-ratio: 16 / 9; background: #000;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.hvm-video {
  display: block; width: 100%; height: 100%;
  object-fit: cover; background: #000;
  border-radius: var(--radius-lg);
}
.hvm-close {
  position: absolute; top: 12px; right: 14px; z-index: 3; width: 34px; height: 34px;
  border: none; border-radius: 50%; background: rgba(255,255,255,.15); color: #fff;
  font-size: 22px; line-height: 1; cursor: pointer; transition: background .15s ease;
}
.hvm-close:hover { background: rgba(255,255,255,.32); }
@media (max-width: 720px) {
  .hvm-dialog { width: 94vw; }
}

.hero-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 22px; position: relative; z-index: 1;
}
.hero-panel .panel-bar { display: flex; align-items: center; gap: 7px; margin-bottom: 16px; }
.hero-panel .dot { width: 10px; height: 10px; border-radius: 50%; background: #e2e7ef; }
.hero-panel .dot:first-child { background: #ff5f57; }
.hero-panel .dot:nth-child(2) { background: #febc2e; }
.hero-panel .dot:nth-child(3) { background: #28c840; }
.panel-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.panel-stats .ps { background: var(--bg-soft); border-radius: 12px; padding: 14px; text-align: center; }
.panel-stats .ps b { display: block; font-size: 22px; color: var(--brand); }
.panel-stats .ps span { font-size: 12px; color: var(--muted); }
.panel-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-top: 1px solid var(--line-soft); }
.panel-row .t { font-weight: 600; }
.panel-row .v { color: var(--brand); font-weight: 700; }
/* 悬浮数据卡 */
.float-card {
  position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg);
  padding: 14px 18px; display: flex; align-items: center; gap: 12px; z-index: 2;
}
.float-card .fc-ic { width: 42px; height: 42px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; flex: none; }
.float-card .fc-num { font-size: 20px; font-weight: 800; line-height: 1; }
.float-card .fc-lbl { font-size: 12.5px; color: var(--muted); }
.float-card.fc-1 { top: -22px; left: -26px; }
.float-card.fc-2 { bottom: -24px; right: -22px; }

/* 信任栏 / 客户 logo 墙 */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 8px; }
.logo-item {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  height: 64px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
  color: var(--ink-2); font-weight: 700; font-size: 15px; transition: .25s;
}
.logo-item:hover { border-color: var(--brand); color: var(--brand); box-shadow: var(--shadow-xs); transform: translateY(-2px); }
.logo-item .li-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; flex: none; }

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--deep { background: var(--brand-grad-deep); color: #fff; overflow: hidden; }
.section--deep h2, .on-dark h2 { color: #fff; }
.section--deep p { color: rgba(255, 255, 255, .78); }
.section--deep::before, .section--deep::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(80px); opacity: .35; pointer-events: none;
}
.section--deep::before { width: 460px; height: 460px; background: #2b8bff; top: -180px; right: -120px; }
.section--deep::after { width: 360px; height: 360px; background: #12c2c2; bottom: -160px; left: -100px; opacity: .18; }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 卡片（核心业务 / 优势 / 通用） ---------- */
.entry, .card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .28s var(--ease), box-shadow .28s, border-color .28s;
  height: 100%;
}
.entry:hover, .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.entry .ic, .card .ic {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  transition: .28s;
}
.entry:hover .ic, .card:hover .ic { background: var(--brand-grad); color: #fff; transform: scale(1.05); }
.entry h3, .card h3 { font-size: 19px; margin-bottom: 10px; }
.entry p, .card p { color: var(--muted); margin: 0; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--brand); font-weight: 600; font-size: 14.5px; }
.card .more:hover { gap: 10px; }

/* 卡片序号点缀 */
.entry .idx { position: absolute; }

/* ---------- 服务流程 ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; }
.step .num {
  width: 44px; height: 44px; border-radius: 12px; background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; margin-bottom: 16px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; margin: 0; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 52px; right: -12px; width: 24px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--brand) 0 4px, transparent 4px 8px); opacity: .5;
}

/* ---------- 数据统计（深色） ---------- */
.stats { display: flex; gap: 56px; flex-wrap: wrap; justify-content: center; }
.stats .num, .stats .stat b { font-size: 46px; font-weight: 800; color: #fff; line-height: 1.05; letter-spacing: -.02em; }
.stats .stat { text-align: center; min-width: 140px; }
.stats .lbl, .stats .stat span { color: rgba(255, 255, 255, .7); font-size: 15px; margin-top: 8px; display: block; }

/* ---------- 案例网格（CMS 驱动） ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s var(--ease); display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.case-cover { height: 168px; background: var(--brand-grad); position: relative; overflow: hidden; }
.case-cover::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 120% at 80% 10%, rgba(255,255,255,.25), transparent 50%); }
.case-cover .cc-tag { position: absolute; left: 16px; bottom: 14px; background: rgba(255,255,255,.92); color: var(--brand-dark); font-size: 12.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.case-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 18px; margin-bottom: 8px; }
.case-body p { color: var(--muted); font-size: 14.5px; margin: 0 0 14px; flex: 1; }
.case-body .more { color: var(--brand); font-weight: 600; font-size: 14.5px; }

/* ---------- 新闻网格（CMS 驱动） ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s var(--ease); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-cover { height: 150px; background: linear-gradient(135deg, #eaf2fd, #d4e6ff); }
.news-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-date { font-size: 13px; color: var(--brand); font-weight: 600; margin-bottom: 10px; }
.news-body h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.4; }
.news-body p { color: var(--muted); font-size: 14.5px; margin: 0; flex: 1; }

/* ---------- 分页（与后台 pager 同形，前台配色） ---------- */
.pager { margin-top: 36px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.pager a, .pager .pg { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink, #1f2329); text-decoration: none; transition: .2s var(--ease); }
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager .pg.current { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager .pg.disabled { opacity: .45; pointer-events: none; }
.pager .pager-total { margin-left: auto; color: var(--muted); font-size: 13px; }

/* ---------- 客户证言 ---------- */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; }
.quote .mark { font-size: 44px; line-height: 1; color: var(--brand-soft); font-family: Georgia, serif; }
.quote p { color: var(--ink-2); font-size: 15.5px; margin: 8px 0 22px; }
.quote .who { display: flex; align-items: center; gap: 12px; }
.quote .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; flex: none; }
.quote .who .n { font-weight: 700; }
.quote .who .r { font-size: 13px; color: var(--muted); }

/* ---------- FAQ 手风琴 ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: .2s; }
.faq details[open] { border-color: var(--brand); box-shadow: var(--shadow-xs); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { width: 26px; height: 26px; border-radius: 8px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; flex: none; transition: transform .2s; }
.faq details[open] summary .ic { transform: rotate(45deg); }
.faq .ans { padding: 0 22px 20px; color: var(--muted); }

/* ---------- 资源 / 文档 ---------- */
.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.resource { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; gap: 16px; align-items: flex-start; transition: .25s; }
.resource:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.resource .ric { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; flex: none; }
.resource h3 { font-size: 16px; margin-bottom: 6px; }
.resource p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- 最终 CTA ---------- */
.cta-band {
  background: var(--brand-grad-deep); color: #fff; border-radius: var(--radius-lg);
  padding: 60px 56px; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before { content: ""; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: #2b8bff; filter: blur(90px); opacity: .35; top: -200px; right: -100px; }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .82); font-size: 17px; margin-bottom: 28px; }
.cta-band .btn--light { color: var(--brand); }
.cta-band .hero-actions { justify-content: center; }

/* ---------- 图文特性（关于 / 产品页） ---------- */
.feature { display: grid; grid-template-columns: 96px 1fr; gap: 28px; align-items: start; margin-bottom: 56px; }
.feature:last-child { margin-bottom: 0; }
.feature .media {
  width: 96px; height: 96px; border-radius: 20px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.feature h3 { font-size: 22px; margin-bottom: 12px; }
.feature p { color: var(--muted); }
.feature ul { margin-top: 14px; display: grid; gap: 8px; }
.feature ul li { position: relative; padding-left: 22px; color: var(--ink-2); }
.feature ul li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
}

/* 产品模块（带侧栏锚点导航） */
.product-block { display: grid; grid-template-columns: 1fr; gap: 0; padding: 56px 0; border-top: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 16px); }
.product-block:first-of-type { border-top: 0; }
.product-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.product-block:nth-child(even) .product-media { order: 2; }
.product-media { background: var(--brand-grad); border-radius: var(--radius-lg); min-height: 280px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.product-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.product-media::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 120% at 80% 10%, rgba(255,255,255,.22), transparent 50%); z-index: 1; }
.product-media .pm-badge { position: absolute; left: 24px; top: 24px; background: rgba(255,255,255,.92); color: var(--brand-dark); font-weight: 700; padding: 8px 16px; border-radius: 999px; font-size: 14px; z-index: 2; }
.product-media .pm-ic { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.95); z-index: 2; }
.ai-cap { display: flex; flex-direction: column; color: inherit; text-decoration: none; transition: .25s var(--ease); }
.ai-cap:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.ai-cap .ai-cap-link { margin-top: auto; padding-top: 14px; color: var(--brand); font-weight: 700; font-size: 14px; }
.product-copy h3 { font-size: 26px; margin-bottom: 12px; }
.product-copy p { color: var(--muted); margin-bottom: 18px; }
.product-copy ul { display: grid; gap: 12px; }
.product-copy ul li { position: relative; padding-left: 30px; color: var(--ink-2); }
.product-copy ul li .ck { position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.cap-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px; }
.cap-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-2); font-size: 15px; line-height: 1.65; }
.cap-list .cap-ck { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--brand); }

/* ---------- 时间线（发展历程） ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.timeline li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; overflow: hidden; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--brand-grad); }
.timeline .yr { font-size: 22px; font-weight: 800; color: var(--brand); }
.timeline h4 { font-size: 16px; margin: 10px 0 6px; }
.timeline p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- 团队 ---------- */
.team .card { text-align: center; }
.team .avatar {
  width: 66px; height: 66px; border-radius: 50%; margin: 0 auto 14px;
  background: var(--brand-grad); color: #fff; font-size: 24px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.team .role { color: var(--brand); font-weight: 600; margin-bottom: 8px; }
.team .bio { color: var(--muted); font-size: 14px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-grid h2 { font-size: 26px; margin-bottom: 8px; }
.contact-grid .eyebrow { margin-bottom: 10px; }
.info-list { display: grid; gap: 18px; margin: 22px 0; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-list .ic { width: 42px; height: 42px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); flex: none; margin-top: 2px; display: flex; align-items: center; justify-content: center; }
.info-list .k { font-weight: 600; }
.info-list .v { color: var(--muted); }
.map {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--bg-soft);
}
.map-frame { display: block; width: 100%; height: 240px; border: 0; }
.map-tip { margin: 0; padding: 10px 14px; font-size: 12px; line-height: 1.5; color: var(--muted); text-align: left; }
.branches { margin-top: 16px; display: grid; gap: 10px; }
.branches .b { display: flex; justify-content: space-between; padding: 12px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; }
.branches .b span:last-child { color: var(--muted); }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 18px; }
.form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-weight: 600; font-size: 14px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); font-size: 15px; font-family: inherit;
  background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: var(--ring);
}
/* 键盘焦点可见化（可访问性：鼠标点击不显示，键盘 Tab 显示浅蓝焦点环） */
a:focus-visible, button:focus-visible, .btn:focus-visible,
.nav-toggle:focus-visible, .hero-arrow:focus-visible, .to-top:focus-visible,
.biz-tab:focus-visible, .res-chip:focus-visible, .fchip:focus-visible,
.sb-btn:focus-visible, .logo-item:focus-visible, .entry:focus-visible,
.card:focus-visible, .case-card:focus-visible, .news-card:focus-visible,
.ind-card:focus-visible, .job-card:focus-visible, .rel-card:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(26, 109, 214, .45);
  border-radius: inherit;
}
.field textarea { resize: vertical; min-height: 120px; }
.field .err { display: none; color: #d8341f; font-size: 13px; }
.field.invalid .err { display: block; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #d8341f; }
.form-note { color: var(--muted); font-size: 13px; margin: 0; }
.form-success {
  display: none; background: #eaf7ee; color: #1c7a3e;
  border: 1px solid #bfe6cc; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 14px;
}
.form-success.show { display: block; }
.form-success.err { background: #fdecea; color: #d8341f; border-color: #f5c2bc; }
/* 防垃圾蜜罐字段：移出视口且对辅助技术隐藏，真人永远不会与之交互 */
.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-deep); color: rgba(255, 255, 255, .7); padding: 68px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand .logo { background: var(--brand); }
.footer-brand p { font-size: 14px; max-width: 30em; }
.footer-contact { margin-top: 16px; display: grid; gap: 6px; font-size: 14px; }
.site-footer .col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.site-footer .col a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255, 255, 255, .7); transition: color .2s; }
.site-footer .col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0 24px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center; font-size: 13px; color: rgba(255, 255, 255, .55); letter-spacing: .01em;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, .68); transition: color .2s; }
.footer-bottom a:hover { color: #fff; }
/* 第一行：版权 + 法律链接（竖线分隔） */
.footer-bottom .fb-sep { margin: 0 10px; color: rgba(255, 255, 255, .25); }
/* 第二行：公安备案（徽标）+ ICP 备案 */
.footer-bottom .fb-beian { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px 18px; }
.footer-bottom .police-beian { display: inline-flex; align-items: center; gap: 5px; }
.footer-bottom .police-ic { flex: none; color: #7fa8e0; opacity: .9; }
/* 页脚：运营/关联公司次级行 */
.footer-bottom .fb-op { font-size: 12.5px; color: rgba(255, 255, 255, .42); }
.footer-bottom .fb-op::before { content: ""; display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: rgba(255, 255, 255, .3); margin-right: 8px; vertical-align: middle; }
.footer-bottom .fb-op .fb-op-label { color: rgba(255, 255, 255, .6); }
/* 关于我们 · 双主体 */
.dual-company { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 880px; margin: 0 auto; }
.dual-company .dc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.dual-company .dc h3 { font-size: 18px; margin: 14px 0 10px; }
.dual-company .dc p { color: var(--muted); font-size: 14.5px; margin: 0; }
.dc-badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--brand-soft); color: var(--brand-dark); }
.dc-badge--alt { background: #eef2f6; color: #475569; }
@media (max-width: 720px) { .dual-company { grid-template-columns: 1fr; } }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px;
  border-radius: 50%; background: var(--brand-grad); color: #fff; border: 0;
  font-size: 20px; cursor: pointer; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s; z-index: 60;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 右侧快捷咨询挂件（橙色竖向悬浮条，hover 向左展开） ---------- */
.side-bar {
  position: fixed; right: 12px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; z-index: 60;
  background: #fff; border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  font-size: 12px; line-height: 1.2;
}
.sb-item + .sb-item { border-top: 1px solid #f0f1f3; }
.sb-trigger {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 62px; height: 66px; text-decoration: none; color: #4a5563;
  background: #fff; border: 0; cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.sb-item:first-child .sb-trigger { border-radius: 14px 14px 0 0; }
.sb-item:last-child .sb-trigger { border-radius: 0 0 14px 14px; }
.sb-trigger svg { width: 22px; height: 22px; margin-bottom: 5px; }
.sb-trigger span { font-size: 12px; white-space: nowrap; }

/* 微信默认高亮 */
.sb-item--wechat .sb-trigger { background: #ff7a00; color: #fff; }
.sb-item--wechat .sb-trigger:hover { background: #e66d00; }
.sb-item--phone .sb-trigger:hover,
.sb-item--demo .sb-trigger:hover { background: #fff7ef; color: #ff7a00; }

/* 展开面板（相对整个挂件垂直居中，不高于/低于挂件边界） */
.sb-panel {
  position: absolute; right: calc(100% + 10px); top: 50%;
  transform: translateY(-50%) translateX(10px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 61;
}
.sb-item:hover .sb-panel,
.sb-item.sb-open .sb-panel {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}
.sb-card {
  background: #fff; border-radius: 12px; padding: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,.18);
  text-align: center; min-width: 150px;
}
.sb-card--wechat img { width: 130px; height: 130px; display: block; margin: 0 auto; border-radius: 8px; }
.sb-card__text { margin-top: 9px; color: #64748b; font-size: 12px; }
.sb-card__text p { margin: 0; }
.sb-card__accent { color: #ff7a00; font-weight: 600; margin-top: 3px; }

.sb-card--phone { text-align: left; padding: 14px 16px; }
.sb-phone-number {
  display: block; font-size: 18px; font-weight: 700; color: #ff7a00;
  text-decoration: none; margin-bottom: 9px; letter-spacing: .5px;
}
.sb-phone-number:hover { color: #e66d00; }
.sb-phone-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.sb-phone-meta span {
  font-size: 12px; color: #64748b; background: #f7f8fa;
  padding: 5px 10px; border-radius: 20px;
}

/* 焦点与无障碍 */
.sb-trigger:focus-visible { outline: none; box-shadow: inset 0 0 0 3px rgba(255,122,0,.45); }
.sb-phone-number:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(255,122,0,.35); border-radius: 4px; }

@media (max-width: 600px) {
  .side-bar { right: 10px; }
  .sb-trigger { width: 54px; height: 58px; }
  .sb-trigger svg { width: 18px; height: 18px; }
  .sb-trigger span { font-size: 11px; }
  .sb-card--wechat img { width: 110px; height: 110px; }
}

/* ---------- 滚动入场动画（零白屏：默认可见，仅 JS 生效时才做隐藏+入场，杜绝内容永久隐身）---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero-slide { transition: opacity .2s linear; transform: none; }
  .hero-slide.active { transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 面包屑 ---------- */
.breadcrumb { font-size: 14px; color: var(--muted); padding: 18px 0; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span { margin: 0 8px; color: var(--line); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-split { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { max-width: 520px; }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process .step:not(:last-child)::after { display: none; }
}
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .case-grid, .news-grid, .testimonials, .res-grid, .product-inner { grid-template-columns: 1fr; }
  .ind-grid, .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .product-block:nth-child(even) .product-media { order: 0; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 600px) {
  .ind-grid, .sol-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
}
@media (max-width: 1080px) {
  .nav-toggle { display: flex; }
  .nav-search { display: flex; width: 100%; margin: 12px 0 0; }
  .nav-search input { flex: 1; width: auto; }
  .nav-search input:focus { width: auto; }
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 24px 20px; transform: translateY(-120%);
    transition: transform .3s; box-shadow: var(--shadow); z-index: 49;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-item { width: 100%; }
  .nav-links > a,
  .nav-links > .nav-item > a {
    padding: 12px 0; border-bottom: 1px solid var(--line); width: 100%;
  }
  .nav-links > a.active::after,
  .nav-links > .nav-item > a.active::after { display: none; }
  .nav-links > .nav-item.has-dropdown > a {
    justify-content: space-between;
  }
  .nav-links > .nav-item.has-dropdown > a::after {
    transform: rotate(45deg); opacity: .55;
  }
  .nav-links > .nav-item.has-dropdown.open > a::after {
    transform: rotate(-135deg);
  }
  .mega-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    pointer-events: auto; display: none; box-shadow: none; background: #f8f9fb;
    padding: 10px 16px; margin: 0 0 8px; border-radius: 10px; min-width: auto;
  }
  .mega-menu::before { display: none; }
  .nav-item.open .mega-menu { display: block; }
  .mega-grid, .mega-grid--2, .mega-grid--3 { grid-template-columns: 1fr; gap: 16px; min-width: auto; }
  .mega-col h4 { border-bottom-color: #e2e6ed; margin-bottom: 8px; padding-bottom: 8px; }
  .nav-cta { margin: 12px 0 0; flex-direction: column; align-items: stretch; }
  .nav-cta .btn { width: 100%; }
  .cta-wrap { width: 100%; }
  .cta-wrap .cta-tooltip { display: none; }
}
@media (max-width: 680px) {
  .section { padding: 60px 0; }
  .hero { padding: 60px 0 48px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .timeline, .logo-wall, .process { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .feature { grid-template-columns: 1fr; gap: 16px; }
  .feature .media { width: 72px; height: 72px; }
  .form .row-2 { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .stats { gap: 32px; }
  .stats .stat { min-width: 0; }
}

/* =========================================================
   首页增强（进度条 / 导航收缩 / 行业网格 / Logo 跑马灯 /
   核心业务 Tab / 资源中心 / 订阅 / 资质墙 / 3D 卡片）
   ========================================================= */

/* ---------- 导航滚动收缩 ---------- */
.site-header.scrolled { box-shadow: var(--shadow); border-color: transparent; }
.site-header.scrolled .logo { transform: scale(.9); }
.site-header.scrolled .nav { height: 58px; }

/* ---------- 首页章节导航（ScrollSpy） ---------- */
.chapter-nav {
  position: fixed; top: 58px; left: 0; right: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transform: translateY(-100%);
  opacity: 0; visibility: hidden;
  transition: transform .25s var(--ease), opacity .25s var(--ease), visibility .25s;
}
.chapter-nav.is-visible {
  transform: translateY(0);
  opacity: 1; visibility: visible;
}
.chapter-track { display: flex; gap: 8px; align-items: center; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.chapter-track::-webkit-scrollbar { display: none; }
.chapter-track a {
  flex: 0 0 auto; padding: 6px 14px; border-radius: 999px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  white-space: nowrap; text-decoration: none; transition: .2s var(--ease);
}
.chapter-track a:hover { color: var(--brand); background: var(--brand-soft); }
.chapter-track a.active { background: var(--brand); color: #fff; }
.chapter-track a.cta { background: var(--brand); color: #fff; }
.chapter-track a.cta:hover { background: var(--brand-dark); }

/* ---------- AI 能力页章节导航（横条药丸，滚动后吸顶） ---------- */
.ai-chapter-nav {
  position: relative;
  z-index: 40;
  margin-top: 32px;
  margin-bottom: 14px;
}
.ai-chapter-nav.is-sticky {
  position: fixed;
  left: 0; right: 0;
  top: var(--header-h); /* JS 会覆盖为当前顶栏高度 */
  margin-top: 0; margin-bottom: 0;
}
.ai-chapter-nav.is-sticky .ai-chapter-bar {
  border-left: 0; border-right: 0; border-top: 0;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 4px 20px rgba(15, 42, 80, .08);
}
.ai-chapter-nav-placeholder { display: none; }
.ai-chapter-bar {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: fit-content; max-width: 100%;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 10px 18px;
}
.ai-chapter-track {
  display: flex; gap: 10px; align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.ai-chapter-track::-webkit-scrollbar { display: none; }
.ai-chapter-track a {
  flex: 0 0 auto;
  padding: 8px 16px; border-radius: 999px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  white-space: nowrap; text-decoration: none;
  transition: .2s var(--ease);
}
.ai-chapter-track a:hover { color: var(--ink); background: var(--line-soft); }
.ai-chapter-track a.active { background: var(--brand); color: #fff; }
.ai-chapter-track a.cta { background: var(--brand); color: #fff; }
.ai-chapter-track a.cta:hover { background: var(--brand-dark); }
@media (max-width: 680px) {
  .ai-chapter-bar { padding: 8px 12px; gap: 10px; }
  .ai-chapter-track { gap: 6px; }
  .ai-chapter-track a { padding: 7px 12px; font-size: 13px; }
}

/* ---------- 行业方案网格（A） ---------- */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ind-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display: flex; gap: 14px; align-items: flex-start;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s;
}
.ind-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; transform: translateY(-4px); }

/* ---------- 二级独立页（feature） ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 18px 0 0; font-size: 13px; color: var(--ink-3, #8a93a6); }
.breadcrumb a { color: var(--ink-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .cur { color: var(--ink); font-weight: 600; }
.breadcrumb span { color: var(--line); }
.feat-caps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feat-cap { display: flex; gap: 14px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.feat-cap .ck { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; font-weight: 700; }
.feat-cap h3 { margin: 0 0 4px; font-size: 16px; }
.feat-cap p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.6; }

/* 功能模块导航方块（销售自动化页「功能模块」区） */
.mod-target { scroll-margin-top: calc(var(--header-h) + 64px); }
.section--modules-lead { padding-bottom: 32px; } /* 功能模块章节底部间距收紧 */
.mod-target:first-of-type { padding-top: 48px; } /* 首个模块章节顶部间距收紧 */
.mod-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.mod-box {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.mod-box::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--brand-grad);
  opacity: .85;
}
.mod-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.mod-idx {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--brand);
}
.mod-cat {
  font-size: 12px;
  color: var(--muted);
}
.mod-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}
.mod-go {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  transition: transform .25s var(--ease);
}
.mod-box:hover .mod-go { transform: translateX(4px); }
@media (max-width: 768px) {
  .mod-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 24px; }
  .section--modules-lead { padding-bottom: 24px; }
  .mod-target:first-of-type { padding-top: 32px; }
}
.feat-metric { text-align: center; padding: 36px 20px; background: linear-gradient(135deg, var(--brand), #0e5fb8); border-radius: var(--radius); color: #fff; }
.feat-metric span { font-size: 34px; font-weight: 800; }
.feat-metric p { margin: 8px 0 0; opacity: .85; }
@media (max-width: 768px) { .feat-caps { grid-template-columns: 1fr; } }
.ind-ic {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.ind-card h3 { font-size: 16px; margin-bottom: 4px; }
.ind-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 行业解决方案页 solutions.php ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px; display: flex; flex-direction: column; gap: 14px;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s;
}
.sol-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; transform: translateY(-4px); }
.sol-top { display: flex; align-items: center; gap: 14px; }
.sol-ic {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.sol-top h3 { font-size: 17px; margin: 0 0 4px; }
.sol-metric {
  display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--brand);
  background: var(--brand-soft); padding: 2px 10px; border-radius: 999px;
}
.sol-pain { margin: 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.sol-caps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.sol-caps li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.sol-caps svg { color: var(--brand); flex: none; margin-top: 2px; }
.sol-link { font-size: 14px; font-weight: 600; color: var(--brand); }
.sol-link:hover { gap: 10px; }

/* ---------- 合作伙伴 Logo 跑马灯（A） ---------- */
.logo-marquee {
  overflow: hidden; position: relative;
  -webkit-mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.logo-track { display: flex; gap: 14px; width: max-content; animation: logoMarquee 30s linear infinite; padding: 4px 0; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes logoMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.logo-track .logo-item { flex: 0 0 auto; min-width: 172px; }

/* ---------- 核心业务 Tab（B） ---------- */
.biz-tabs { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: start; }
.biz-nav { display: flex; flex-direction: column; gap: 10px; }
.biz-tab {
  text-align: left; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--ink-2);
  display: flex; align-items: center; gap: 12px; transition: .2s var(--ease);
}
.biz-tab .bt-ic {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.biz-tab:hover { border-color: var(--brand); color: var(--brand); }
.biz-tab.active { background: var(--brand-grad); color: #fff; border-color: transparent; box-shadow: var(--shadow); }
.biz-tab.active .bt-ic { background: rgba(255, 255, 255, .2); color: #fff; }
.biz-panels { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; min-height: 248px; }
.biz-panel { display: none; }
.biz-panel.active { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 24px; align-items: start; animation: fadeUp .4s var(--ease); }
.biz-panel .bp-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.biz-panel .bp-ic {
  width: 48px; height: 48px; border-radius: 12px; flex: none;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.biz-panel h3 { font-size: 21px; }
.biz-panel p { color: var(--muted); }
.biz-panel ul { margin: 14px 0 22px; display: grid; gap: 10px; }
.biz-panel li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); }
.biz-panel li svg { color: var(--brand); flex: none; margin-top: 4px; }
.biz-panel .bp-body { min-width: 0; }
.biz-panel .bp-media { min-width: 0; aspect-ratio: 16 / 9; }
.biz-panel .bp-media img { width: 100%; height: 100%; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); display: block; cursor: zoom-in; }
.biz-panel .bp-media img:hover { border-color: var(--brand); }
.biz-panel .bp-media-ph { width: 100%; height: 100%; border: 1px solid #B5D4F4; border-radius: var(--radius); background: #F7FAFE; display: flex; align-items: center; justify-content: center; color: #1577D2; }
.biz-panel .bp-media-ph svg { width: 64px; height: 64px; opacity: .5; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- 图片全屏放大（lightbox） ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  display: none; align-items: center; justify-content: center;
  padding: 24px; background: rgba(8, 15, 25, .86);
  cursor: zoom-out; opacity: 0; transition: opacity .2s var(--ease);
}
.lightbox.open { display: flex; opacity: 1; }
.lightbox__img {
  max-width: 92vw; max-height: 92vh; width: auto; height: auto;
  object-fit: contain; border-radius: 10px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
  cursor: zoom-in; user-select: none; -webkit-user-drag: none; will-change: transform;
}
.lightbox__close {
  position: absolute; top: 18px; right: 22px;
  width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .14); color: #fff;
  font-size: 26px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s var(--ease);
}
.lightbox__close:hover { background: rgba(255, 255, 255, .3); }
.lightbox__zoom {
  position: absolute; left: 22px; bottom: 22px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .14); color: #fff;
  font-size: 13px; letter-spacing: .02em; user-select: none;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
@media (prefers-reduced-motion: no-preference) {
  .lightbox.open .lightbox__img { animation: lbIn .25s var(--ease); }
  @keyframes lbIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
}

/* ---------- 资源中心分类（D） ---------- */
.res-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 30px; }
.res-chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 8px 18px; font-size: 14px; cursor: pointer; transition: .2s var(--ease);
}
.res-chip:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- CRM 销售自动化进度条（products.php） ---------- */
.sa-progress-section { padding-top: 24px; padding-bottom: 24px; }
.sa-progress { position: relative; padding: 0 12px; }
.sa-track { position: relative; height: 6px; background: var(--line); border-radius: 999px; margin: 0 40px 30px; }
.sa-fill { position: absolute; top: 0; left: 0; height: 100%; background: linear-gradient(90deg, var(--brand), #0e5fb8); border-radius: 999px; width: 0; transition: width 1.4s var(--ease); }
.reveal.in .sa-fill { width: 75%; }
.sa-steps { display: flex; justify-content: space-between; position: relative; z-index: 2; }
.sa-step { display: flex; flex-direction: column; align-items: center; text-align: center; flex: 1; }
.sa-dot { width: 36px; height: 36px; border-radius: 50%; background: #fff; border: 2px solid var(--line); color: var(--ink-2); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; margin-bottom: 10px; transition: .3s var(--ease); }
.sa-step.done .sa-dot { background: var(--brand); border-color: var(--brand); color: #fff; }
.sa-step.active .sa-dot { background: #fff; border-color: var(--brand); color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); }
.sa-label { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.sa-desc { font-size: 12px; color: var(--ink-2); }
.sa-step.done .sa-label { color: var(--brand); }
.sa-step.active .sa-label { color: var(--brand); }
@media (max-width: 768px) {
  .sa-track { margin: 0 0 20px; }
  .sa-steps { flex-wrap: wrap; gap: 18px 0; }
  .sa-step { flex: 0 0 50%; }
}
.res-chip.active { background: var(--brand); color: #fff; border-color: transparent; }
.res-card { transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s; }

/* ---------- 邮件订阅（D） ---------- */
.subscribe {
  background: var(--brand-grad-deep); border-radius: var(--radius-lg); padding: 36px;
  color: #fff; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
  margin-top: 40px;
}
.subscribe .sub-text h3 { color: #fff; font-size: 20px; margin-bottom: 6px; }
.subscribe .sub-text p { color: rgba(255, 255, 255, .8); margin: 0; }
.subscribe form { display: block; position: relative; }
.subscribe .sub-row { display: flex; gap: 10px; flex-wrap: nowrap; align-items: center; }
.subscribe input { height: 46px; border: 0; border-radius: 10px; padding: 0 16px; min-width: 260px; width: 260px; flex: 0 0 260px; font-size: 15px; }
.subscribe .sub-row button { flex-shrink: 0; }
/* 状态提示绝对定位：不参与布局高度，保证输入行与按钮在横幅内真正垂直居中 */
.subscribe .msg {
  position: absolute; left: 0; right: 0; top: calc(100% + 4px);
  font-size: 13px; margin: 0; min-height: 0; text-align: right;
}
.subscribe .msg.ok { color: #9be7b4; }
.subscribe .msg.err { color: #ffd0d0; }

/* ---------- 资质证书墙（D） ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.cert-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 18px; text-align: center;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease);
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cert-seal {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 12px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.cert-card h4 { font-size: 15px; margin-bottom: 4px; }
.cert-card p { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- 3D 卡片悬停（C） ---------- */
[data-tilt] { will-change: transform; }
.ind-card, .case-card, .news-card, .entry, .logo-item, .cert-card { transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s; }

@media (max-width: 1080px) {
  .ind-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .biz-tabs { grid-template-columns: 1fr; }
  .biz-nav { flex-direction: row; flex-wrap: wrap; }
  .biz-tab { flex: 1 1 40%; }
  .biz-panel.active { grid-template-columns: 1fr; }
  .biz-panel .bp-media { max-width: 460px; }
}
@media (max-width: 680px) {
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .subscribe { flex-direction: column; align-items: stretch; }
  .subscribe .sub-row { flex-wrap: wrap; }
  .subscribe input { min-width: 0; width: 100%; flex: 0 0 100%; }
  .subscribe .msg { position: static; margin-top: 6px; text-align: left; }
  .biz-tab { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none !important; }
  [data-tilt] { transform: none !important; }
}

/* ============================================================
   详情页 / 列表页增强（P0：新闻、案例）
   ============================================================ */

/* 详情页头部 banner（无封面图时复用品牌渐变） */
.detail-cover {
  position: relative;
  background: var(--brand-grad);
  color: #fff;
  overflow: hidden;
}
.detail-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 120% at 85% 0%, rgba(255,255,255,.22), transparent 55%);
}
.detail-cover .dc-inner {
  position: relative;
  max-width: 1080px; margin: 0 auto;
  padding: 64px 24px 48px;
}
.detail-cover .dc-cat {
  display: inline-block;
  background: rgba(255,255,255,.92); color: var(--brand-dark);
  font-size: 12.5px; font-weight: 700;
  padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.detail-cover h1 {
  color: #fff;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.25; max-width: 820px; letter-spacing: -.01em;
}
.detail-cover .dc-meta {
  margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.82);
  display: flex; flex-wrap: wrap; gap: 18px;
}
.detail-cover .dc-meta b { color: #fff; font-weight: 600; }

/* 正文容器 */
.detail-body {
  max-width: 860px; margin: 0 auto; padding: 44px 24px 8px;
}
.article { font-size: 16.5px; line-height: 1.92; color: var(--ink-2); }
.article p { margin: 0 0 18px; }
.article h2, .article h3 { color: var(--ink); margin: 28px 0 12px; }
.article img { max-width: 100%; border-radius: var(--radius-sm); margin: 8px 0 18px; }

/* 案例客户信息条 */
.case-facts {
  display: flex; flex-wrap: wrap; gap: 14px;
  background: var(--brand-soft); border: 1px solid #d9e8fb;
  border-radius: var(--radius); padding: 18px 22px; margin: 4px 0 28px;
}
.case-facts .cf { display: flex; flex-direction: column; }
.case-facts .cf .k { font-size: 12.5px; color: var(--muted); }
.case-facts .cf .v { font-size: 16px; font-weight: 700; color: var(--ink); }

/* 行内 CTA 盒 */
.side-cta {
  margin: 36px 0 8px;
  background: var(--brand-grad-deep);
  border-radius: var(--radius-lg);
  padding: 34px 36px; color: #fff;
  display: flex; flex-wrap: wrap; gap: 18px;
  align-items: center; justify-content: space-between;
}
.side-cta h3 { color: #fff; font-size: 21px; margin-bottom: 6px; }
.side-cta p { color: rgba(255,255,255,.82); margin: 0; }
.side-cta .btn--light { background: #fff; color: var(--brand-dark); box-shadow: none; }

/* 相关阅读 */
.rel { max-width: 1080px; margin: 40px auto 0; padding: 0 24px 64px; }
.rel-head { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 22px; position: relative; padding-left: 14px; }
.rel-head::before { content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 4px; border-radius: 4px; background: var(--brand); }
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rel-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s var(--ease); }
.rel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.rel-card .rc-cover { height: 120px; background: linear-gradient(135deg, #eaf2fd, #d4e6ff); }
.rel-card .rc-body { padding: 16px 18px; }
.rel-card .rc-date { font-size: 12.5px; color: var(--brand); font-weight: 600; margin-bottom: 8px; }
.rel-card h4 { font-size: 15.5px; line-height: 1.45; color: var(--ink); }

/* 列表页空态 / 筛选条 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 6px 0 34px; }
.filter-bar a.fchip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 8px 18px; font-size: 14px; transition: .2s var(--ease);
}
.filter-bar a.fchip:hover { border-color: var(--brand); color: var(--brand); }
.filter-bar a.fchip.active { background: var(--brand); color: #fff; border-color: transparent; }

/* 新闻列表分类筛选（非粘性无卡片；滚动吸顶变为居中圆角药丸） */
.news-filter-wrap { position: relative; }
.news-filter-placeholder { display: none; }
.news-filter-nav { position: relative; z-index: 40; margin-top: 6px; margin-bottom: 34px; }
.news-filter-card { /* 非粘性：结构包裹，无视觉样式 */ }
.news-filter-card .filter-bar { margin: 0; }
.news-filter-nav.is-sticky {
  position: fixed; left: 0; right: 0; top: var(--header-h);
  margin: 0;
}
.news-filter-nav.is-sticky .news-filter-card {
  display: flex; align-items: center; justify-content: center;
  width: fit-content; max-width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(15, 42, 80, .08);
  padding: 10px 18px;
}
.news-filter-nav.is-sticky .filter-bar { margin: 0; }

@media (max-width: 980px) {
  .rel-grid { grid-template-columns: 1fr; }
}

/* ===== 站内搜索 ===== */
/* 导航内联搜索框（桌面端；移动端隐藏，改用搜索页表单） */
.nav-search { position: relative; display: inline-flex; align-items: center; margin-left: 18px; }
.nav-search input {
  width: 120px; height: 36px; padding: 0 36px 0 14px;
  border: 1px solid var(--line); border-radius: 999px;
  background: #fff; font-size: 14px; outline: none; transition: .2s var(--ease);
}
.nav-search input:focus { border-color: var(--brand); }
.nav-search button {
  position: absolute; right: 0; top: 0; height: 36px; width: 36px;
  border: none; background: none; cursor: pointer; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
}
.nav-search button:hover { color: var(--brand); }
.nav-search input::-webkit-search-cancel-button { display: none; }
/* 移动端搜索框已在 ≤1080px 抽屉内显示，此处不再隐藏 */

/* 搜索结果页 */
.search-hero { padding: 56px 0 26px; text-align: center; }
.search-form { display: flex; gap: 10px; max-width: 560px; margin: 18px auto 0; }
.search-form input {
  flex: 1; height: 48px; padding: 0 18px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 16px; outline: none;
  transition: .2s var(--ease);
}
.search-form input:focus { border-color: var(--brand); }
.search-form button { height: 48px; padding: 0 26px; }
.search-meta { text-align: center; color: var(--muted); margin-top: 12px; font-size: 14.5px; }
.result-group { margin-top: 40px; }
.result-group h2 {
  font-size: 20px; margin-bottom: 18px; display: flex; align-items: baseline; gap: 10px; color: var(--ink);
}
.result-group h2 .cnt { font-size: 13px; color: var(--muted); font-weight: 400; }

/* ===== 社交分享条（P1-9） ===== */
.share-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  margin: 28px 0 8px; padding: 16px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.share-bar .sb-label { font-size: 14px; color: var(--muted); margin-right: 2px; }
.sb-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; font-size: 14px; cursor: pointer; transition: .2s var(--ease);
}
.sb-btn:hover { border-color: var(--brand); color: var(--brand); }
.sb-count { font-size: 13px; color: var(--muted); margin-left: 4px; }

/* ===== 招聘职位 ===== */
.job-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.job-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: .28s var(--ease); text-decoration: none; color: inherit;
}
.job-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.job-card-top { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.job-title { font-size: 19px; margin: 0; color: var(--ink); }
.job-salary { flex: none; font-size: 15px; font-weight: 700; color: var(--brand); }
.job-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.job-tag {
  font-size: 13px; padding: 4px 12px; border-radius: 999px;
  background: var(--bg-soft); color: var(--ink-2); border: 1px solid var(--line);
}
.job-tag--brand { background: var(--brand-soft); color: var(--brand-dark); border-color: transparent; }
.job-card-foot { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--brand); }

/* 职位详情 */
.jd-block { margin-bottom: 30px; }
.jd-h {
  font-size: 19px; color: var(--ink); margin: 0 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.jd-h::before { content: ""; width: 4px; height: 18px; border-radius: 4px; background: var(--brand); }

@media (max-width: 768px) { .job-grid { grid-template-columns: 1fr; } }

/* ---------- 销售自动化融合页：综合成效指标 ---------- */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.metric-mini {
  text-align: center; padding: 24px 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s;
}
.metric-mini:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.metric-mini span { display: block; font-size: 22px; font-weight: 800; color: var(--brand); margin-bottom: 6px; }
.metric-mini p { margin: 0; font-size: 13.5px; color: var(--muted); }
@media (max-width: 680px) { .metric-grid { grid-template-columns: 1fr; } }

/* ---------- 资源中心：帮助搜索 / 视频 / 下载 ---------- */
.help-search {
  display: flex; gap: 12px; max-width: 620px; margin: 26px auto 0;
}
.help-search input {
  flex: 1; height: 48px; padding: 0 18px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.help-search input:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); }

/* 视频卡片 */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.video-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: .28s var(--ease); color: inherit; text-decoration: none; display: flex; flex-direction: column;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.video-thumb {
  position: relative; height: 180px;
  background: linear-gradient(135deg, #1a6dd6 0%, #0f3f7a 100%);
  display: flex; align-items: center; justify-content: center;
}
.video-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.18), transparent 45%),
                    radial-gradient(circle at 80% 70%, rgba(255,255,255,.12), transparent 40%);
}
.play-btn {
  position: relative; z-index: 1; width: 58px; height: 58px; border-radius: 50%;
  background: rgba(255,255,255,.92); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(0,0,0,.25); transition: transform .2s;
}
.video-card:hover .play-btn { transform: scale(1.08); }
.video-dur {
  position: absolute; right: 12px; bottom: 12px; z-index: 1;
  font-size: 12px; color: #fff; background: rgba(0,0,0,.45);
  padding: 3px 9px; border-radius: 999px;
}
.video-body { padding: 20px 22px; }
.video-body h3 { font-size: 16px; margin-bottom: 6px; }
.video-body p { color: var(--muted); font-size: 14px; margin: 0; }

/* 下载列表 */
.dl-list { display: grid; gap: 14px; }
.dl-row {
  display: flex; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px;
  transition: .25s var(--ease);
}
.dl-row:hover { box-shadow: var(--shadow); border-color: transparent; }
.dl-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; flex: none; }
.dl-meta { flex: 1; min-width: 0; }
.dl-meta h3 { font-size: 16px; margin-bottom: 4px; }
.dl-meta p { color: var(--muted); font-size: 13.5px; margin: 0; }
.dl-row .btn { flex: none; }

@media (max-width: 860px) {
  .video-grid { grid-template-columns: 1fr; }
  .help-search { flex-direction: column; }
  .help-search .btn { width: 100%; }
}
@media (max-width: 560px) {
  .dl-row { flex-wrap: wrap; }
  .dl-row .job-tag { order: 3; }
  .dl-row .btn { order: 4; margin-left: auto; }
}