/* =====================================================================
   0worker.com — 工业人工智能 FDE 服务
   设计语言：工业编辑风 —— 深蓝钢色 + 熔融橙 / 铁锈红 + 暖纸底；数字用窄体工业数字字。
   移动优先；断点 640 / 900 / 1200。
   ===================================================================== */

:root {
  --navy: #0f1822;
  --navy-2: #162231;
  --navy-3: #1f2f40;
  --ink: #1b2430;
  --ink-2: #3b4653;
  --muted: #6b7683;
  --paper: #f4efe7;
  --paper-2: #e9e1d4;
  --light: #faf8f4;
  --white: #ffffff;
  --orange: #e67e22;
  --orange-2: #f39a3f;
  --orange-soft: rgba(230, 126, 34, .14);
  --red: #c0392b;
  --line: rgba(27, 36, 48, .12);
  --line-dark: rgba(255, 255, 255, .12);
  --on-dark: rgba(255, 255, 255, .88);
  --on-dark-muted: rgba(255, 255, 255, .62);
  --shadow: 0 10px 30px rgba(15, 24, 34, .12);
  --shadow-lg: 0 24px 60px rgba(15, 24, 34, .28);
  /* 圆角收小：企业级页面用接近直角的规格书语言，不用大圆角的"卡片软件"感 */
  --radius: 6px;
  --radius-lg: 8px;
  --line-strong: rgba(27, 36, 48, .2);
  /* 统一的版面规则：列表 = 白底无框 + 行间一条浅发丝线（--hair）；块 = 独立色块靠留白分隔，不画分隔线、不加橙色刻度 */
  --hair: rgba(27, 36, 48, .08);
  --hair-dark: rgba(255, 255, 255, .08);
  --nav-h: 60px;
  --wrap: 1200px;
  --gutter: 20px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: Bahnschrift, "DIN Alternate", "Avenir Next Condensed", "Roboto Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
}
@media (min-width: 640px) { :root { --gutter: 28px; } }
@media (min-width: 900px) { :root { --gutter: 40px; --nav-h: 68px; } }

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
/* 锚点跳转留出吸顶导航的高度；行业页还有一条吸顶子导航（桌面约 57~61px），再多留一截 */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 20px); }
html:has(.subnav) { scroll-padding-top: calc(var(--nav-h) + 76px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* 用 clip 而不是 hidden：hidden 会让 body 在打开手机菜单（html overflow:hidden）时变成独立滚动容器，
   吸顶导航随之改为相对 body 定位，被整页滚动量推出屏幕外 */
@supports (overflow: clip) { body { overflow-x: clip; } }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
b, strong { font-weight: 700; }
table { border-collapse: collapse; width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
small { font-weight: 400; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }
::selection { background: var(--orange); color: #fff; }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 200; padding: 8px 14px; background: var(--orange); color: #fff; border-radius: 6px; font-weight: 700; }
.skip:focus { top: 8px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.br-desktop { display: none; }
@media (min-width: 900px) { .br-desktop { display: inline; } }
.br-mobile { display: inline; }
@media (min-width: 640px) { .br-mobile { display: none; } }
/* 标题：优先在标点 / 空格处换行（keep-all），整段放不下再任意断；各行长度均衡，避免末行只剩两个字 */
h1, h2, h3 { word-break: keep-all; overflow-wrap: anywhere; text-wrap: balance; }

/* ---------- 工业数字 ---------- */
.num, .hero-facts b, .kpi b, .cap-num, .fde-num, .scene-id, .chart-val, .chart-summary b, .gantt-months span,
.phase-when, .cover-meta, .card-meta, .dl-meta, .gantt-phase small, .gantt-bar, .compare td, .dl-tag {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 文本节奏 ---------- */
/* 眉标：前置一枚小方块而不是横线，与首屏交付原则的菱形标记同一套语言 */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 14px;
  font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--orange);
}
.eyebrow-keep { text-transform: none; }   /* 品牌名 0worker 固定小写，不能被大写化 */
.eyebrow::before { content: ""; flex: none; width: 7px; height: 7px; background: var(--orange); transform: rotate(45deg); }
@media (min-width: 640px) { .eyebrow { letter-spacing: .14em; } }
.section { padding: 56px 0; }
@media (min-width: 900px) { .section { padding: 88px 0; } }
.section-paper { background: var(--paper); color: var(--ink); }
.section-light { background: var(--light); color: var(--ink); }
.section-dark { background: var(--navy); color: var(--on-dark); }
.section-dark .eyebrow { color: var(--orange-2); }
/* 全站统一：节标题左对齐，与内容同一条左边线 */
.section-head { max-width: 760px; margin: 0 0 36px; text-align: left; }
.section-head-left { margin-left: 0; text-align: left; }
.section-head-left .eyebrow { justify-content: flex-start; }
.section-head h2, .section-head-left h2 { font-size: clamp(26px, 4.4vw, 38px); font-weight: 800; letter-spacing: -.01em; }
.section-sub { margin-top: 14px; font-size: 16px; color: var(--ink-2); }
.section-dark .section-sub { color: var(--on-dark-muted); }
@media (min-width: 900px) { .section-head { margin-bottom: 52px; } .section-sub { font-size: 17px; } }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 20px;
  border-radius: 8px; border: 1.5px solid transparent;
  font-weight: 700; font-size: 15px; line-height: 1.2; white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
  -webkit-tap-highlight-color: transparent;
}
/* 窄屏（≤360px）上长按钮（如带邮箱地址的）允许折行，不顶破版心 */
.btn { max-width: 100%; }
@media (max-width: 639.98px) { .btn { white-space: normal; text-align: center; } }
.btn small { display: inline-block; margin-left: 4px; padding-left: 10px; border-left: 1px solid rgba(255,255,255,.35); font-size: 12.5px; font-weight: 500; opacity: .9; }
.btn:active { transform: translateY(1px); }
.btn-orange { background: var(--orange); color: #fff; box-shadow: 0 8px 22px rgba(230,126,34,.32); }
.btn-orange:hover { background: var(--orange-2); }
.btn-ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.35); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--paper); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-outline { color: var(--navy); border-color: rgba(27,36,48,.3); background: transparent; }
.btn-outline:hover { border-color: var(--navy); background: rgba(27,36,48,.04); }
.btn-outline small { border-left-color: rgba(27,36,48,.25); }
.btn-text { color: var(--orange); padding-left: 6px; padding-right: 6px; }
.btn-text:hover { text-decoration: underline; }
.btn-sm { min-height: 36px; padding: 6px 14px; font-size: 13.5px; border-radius: 6px; }
.btn-lg { min-height: 50px; padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; line-height: 1.5; vertical-align: middle; }
.badge-wip { background: rgba(230,126,34,.18); color: var(--orange-2); border: 1px solid rgba(230,126,34,.5); }
.section-paper .badge-wip, .section-light .badge-wip { color: #b35f12; }

/* ---------- 渐显 ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- 颗粒 ---------- */
.hero-grain { position: absolute; inset: 0; pointer-events: none; opacity: .18; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 .6 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>"); }

/* =====================================================================
   导航
   ===================================================================== */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(15,24,34,.92); color: #fff; backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--line-dark); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.brand-mark { flex: none; }
.brand-word { font-family: var(--font-num); font-size: 24px; letter-spacing: .01em; font-weight: 600; line-height: 1; }
.brand-word b { color: var(--orange); font-weight: 700; }
.brand-word i { font-style: normal; font-weight: 500; color: rgba(255,255,255,.62); }
/* 标志短语：手机上与域名同一行、字号收小；始终显示 */
.brand-tag { display: inline-block; padding-left: 10px; border-left: 1px solid rgba(255,255,255,.22); font-size: 12px; line-height: 1.2; letter-spacing: .1em; font-weight: 600; color: var(--on-dark); white-space: nowrap; }
@media (max-width: 359.98px) { .brand-tag { display: none; } }
@media (min-width: 640px) { .brand { gap: 12px; } .brand-tag { padding-left: 12px; font-size: 13px; } }
@media (max-width: 399.98px) { .nav .brand-word { font-size: 21px; } .nav .brand { gap: 8px; } .nav .brand-tag { padding-left: 8px; font-size: 11px; letter-spacing: .06em; } }
.nav-links { display: none; align-items: center; gap: 32px; font-size: 15px; font-weight: 500; }
/* 菜单项统一为四字短名，间距一致；“联系我们”按钮保留 .btn-sm 自身的内边距，不被文字链接规则压扁 */
.nav-links a:not(.btn) { color: var(--on-dark); padding: 6px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.nav-links a:not(.btn):hover { color: #fff; border-bottom-color: var(--orange); }
.nav-links a[aria-current="page"] { color: #fff; border-bottom-color: var(--orange); }
.nav-links a { white-space: nowrap; }
/* 1200~1439 略收间距；900~1199 去掉标志短语再收一档 */
@media (min-width: 1200px) and (max-width: 1439.98px) { .nav-links { gap: 26px; } }
@media (min-width: 900px) and (max-width: 1199.98px) { .nav .brand-tag { display: none; } .nav-links { gap: 20px; font-size: 14.5px; } }
html.menu-open { overflow: hidden; }
.nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; margin-right: -8px; padding: 10px; border-radius: 8px; }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 900px) { .nav-links { display: flex; } .nav-toggle { display: none; } }

.menu { position: absolute; left: 0; right: 0; top: var(--nav-h); max-height: calc(100vh - var(--nav-h)); max-height: calc(100dvh - var(--nav-h)); overscroll-behavior: contain; overflow-y: auto; padding: 10px var(--gutter) 24px; background: var(--navy-2); border-bottom: 1px solid var(--line-dark); box-shadow: var(--shadow-lg); }
.menu[hidden] { display: none; }
.menu > a { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line-dark); font-size: 17px; font-weight: 600; color: #fff; }
.menu-industries { padding: 10px 0 16px; }
.menu-label { margin: 0 0 8px; font-size: 12px; letter-spacing: .12em; color: var(--on-dark-muted); text-transform: uppercase; }
.menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.menu-grid a { display: block; padding: 9px 8px; border-radius: 6px; background: rgba(255,255,255,.06); color: var(--on-dark); font-size: 14px; text-align: center; }
.menu-grid a:hover { background: var(--orange); color: #fff; }
.menu-grid-page { grid-template-columns: repeat(2, 1fr); }
.menu-grid-page a { background: #fff; color: var(--ink); padding: 14px; font-weight: 600; }
@media (min-width: 640px) { .menu-grid-page { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .menu-grid-page { grid-template-columns: repeat(6, 1fr); } }

/* =====================================================================
   页脚
   ===================================================================== */
.footer { background: var(--navy); color: var(--on-dark-muted); padding: 56px 0 28px; border-top: 1px solid var(--hair-dark); font-size: 14px; }
.footer-grid { display: grid; gap: 32px; }
.footer-brand .brand-tag { display: inline-block; }
.footer-brand p { margin-top: 12px; color: var(--on-dark); }
.footer-brand .footer-muted { margin-top: 6px; }
.footer-muted { color: var(--on-dark-muted); font-size: 13px; }
.footer-label { margin: 0 0 10px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.footer-links a { color: var(--on-dark); }
.footer-links a:hover { color: var(--orange-2); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--hair-dark); font-size: 12.5px; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.2fr 1.5fr 1.1fr .8fr; gap: 40px; } .footer-brand { grid-column: auto; } }

/* =====================================================================
   首页：Hero
   ===================================================================== */
/* 首屏只说"我们做什么"。视觉取工程图纸的克制：细网格、左侧基准线、编号标签、底部仪表条；
   背景是几张现场图慢速渐变，压得很暗，只提供现场感，不抢字 */
.hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 56px 0 28px; isolation: isolate; display: flex; flex-direction: column; justify-content: center; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transform: scale(1.03); filter: saturate(.7) contrast(1.05); transition: opacity 1.4s ease; }
.hero-bg.on { opacity: .42; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background:
  linear-gradient(90deg, rgba(15,24,34,.92) 0%, rgba(15,24,34,.72) 42%, rgba(15,24,34,.35) 100%),
  linear-gradient(180deg, rgba(15,24,34,.2) 0%, rgba(15,24,34,.1) 50%, var(--navy) 100%); }
/* 工程网格：64px 一格，只在右侧可见，向左淡出 */
.hero-grid { position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px; background-position: -1px -1px;
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000 75%); mask-image: linear-gradient(90deg, transparent 20%, #000 75%); }
.hero-inner { position: relative; z-index: 1; }

/* 眉标：一行中文定位 */
.hero-kicker { margin-bottom: 20px; font-size: 12px; letter-spacing: .14em; color: var(--on-dark-muted); }

.hero h1 { font-size: clamp(36px, 10vw, 56px); line-height: 1.1; letter-spacing: -.015em; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--orange-2); white-space: nowrap; }
.lede { margin-top: 18px; max-width: 580px; font-size: 16px; line-height: 1.8; color: var(--on-dark); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-cta .btn-lg { flex: 1 1 auto; }
.hero .btn-orange { box-shadow: none; }
.hero .btn-ghost { backdrop-filter: none; background: transparent; border-color: rgba(255,255,255,.4); }

/* 底部仪表条：四个指标 + 交付原则 */
.hero-base { position: relative; z-index: 1; margin-top: 40px; }
.hero-facts { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.hero-facts li { position: relative; padding: 16px 12px 14px 0; }
.hero-facts b { display: block; margin-top: 6px; font-family: var(--font-num); font-size: 32px; line-height: 1; color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }
.hero-facts b i { margin-left: 4px; font-style: normal; font-size: .42em; font-weight: 500; color: var(--on-dark-muted); font-family: var(--font); }
.hero-facts span { display: block; margin-top: 8px; font-size: 12.5px; color: var(--on-dark-muted); }

@media (min-width: 640px) {
  .hero { padding: 72px 0 36px; }
  .hero h1 { font-size: clamp(48px, 7.4vw, 64px); }
  .hero-cta { gap: 12px; }
  .hero-cta .btn-lg { flex: none; }
  .hero-facts { grid-template-columns: repeat(4, 1fr); }
  .hero-facts li + li { padding-left: 20px; }
  .hero-facts b { font-size: 36px; }
}
@media (min-width: 900px) {
  /* 首屏高度随视口走，但封顶：竖屏 / 超高窗口里 100vh 会把一屏拉到两千像素，内容悬在中间 */
  .hero { padding: 64px 0 36px; min-height: clamp(540px, calc(84vh - var(--nav-h)), 660px); }
  /* 左侧基准线：从眉标延伸到按钮，给文字块一个“对齐边” */
  .hero-inner { padding-left: 28px; border-left: 2px solid var(--orange); }
  .hero-inner > * { max-width: 780px; }
  .hero h1 { font-size: clamp(56px, 5.4vw, 80px); }
  .lede { margin-top: 22px; font-size: 18px; max-width: 640px; }
  .hero-cta { margin-top: 30px; }
  .hero-base { margin-top: 48px; }
  .hero-facts { max-width: 960px; }
  .hero-facts li { padding-top: 18px; }
  .hero-facts b { font-size: 42px; }
  .hero-facts span { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { .hero-bg { transition: none; } }
/* ---------- 交付方法：四步 ---------- */
/* 四个独立的步骤块，靠留白分隔；编号是唯一的强调，不画框、不画分隔线 */
.fde-grid { display: grid; gap: 16px; }
.fde-card { padding: 26px 24px 28px; background: #fff; border-radius: var(--radius-lg); }
.fde-num { display: block; margin-bottom: 18px; font-family: var(--font-num); font-size: 30px; line-height: 1; font-weight: 600; color: var(--orange); }
.fde-card h3 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.fde-card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.75; }
@media (min-width: 640px) { .fde-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1200px) { .fde-grid { grid-template-columns: repeat(4, 1fr); } .fde-card { padding: 30px 28px 32px; } }
/* ---------- 行业卡片 ---------- */
/* 卡片是完整的色块：无描边、无内部分隔线；悬停只提亮底色与箭头，不上浮 —— 企业级页面要稳 */
.section-head-split { max-width: none; text-align: left; }
.section-head-split .eyebrow { justify-content: flex-start; }
@media (min-width: 900px) {
  .section-head-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; align-items: end; }
  .section-head-split .section-sub { margin-top: 0; }
}
/* 分栏标题右侧：说明 + 一条"全部 PDF"的文字链接 */
.section-aside .section-sub { margin-top: 12px; }
.section-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; padding-bottom: 3px; border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 700; color: var(--orange-2); }
.section-link svg { transition: transform .2s ease; }
.section-link:hover svg { transform: translateX(3px); }
.section-paper .section-link, .section-light .section-link { color: var(--orange); }
@media (min-width: 900px) { .section-aside .section-sub { margin-top: 0; } }

.group { margin-top: 56px; }
.group:first-of-type { margin-top: 0; }
/* 分组标题：名称 + 说明 + 计数，一行排开；不画分隔线，靠与卡片的留白成组 */
.group-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; margin-bottom: 20px; }
.group-head h3, .group-head h2 { font-size: 20px; letter-spacing: .02em; }
/* 手机：标题与份数一行，说明另起一行占满；平板以上三者同一行 */
.group-head p { order: 3; flex: 1 0 100%; font-size: 14px; color: var(--on-dark-muted); }
.group-count { margin-left: auto; font-family: var(--font-num); font-size: 12.5px; letter-spacing: .08em; color: var(--on-dark-muted); }
@media (min-width: 640px) {
  .group-head p { order: 0; flex: 1 1 0; min-width: 12em; }
  .group-count { margin-left: 0; }
}
.section-paper .group-head p, .section-paper .group-count { color: var(--muted); }

.cards { display: grid; gap: 20px; }
/* 卡片：一块完整的深色面，无描边；悬停只让图片与标题提亮 */
.card { position: relative; display: flex; flex-direction: column; background: var(--navy-2); border-radius: var(--radius-lg); overflow: hidden; transition: background .2s ease; }
.card:hover, .card:focus-within { background: #1b2a3b; }
/* 标题链接铺满整张卡片：点卡片任意处进方案页；PDF 按钮叠在其上，是独立动作 */
.card-link { color: inherit; outline: none; }
.card-link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card-link:focus-visible::after { box-shadow: inset 0 0 0 2px var(--orange); border-radius: var(--radius-lg); }

.card-media { position: relative; display: block; aspect-ratio: 16 / 9; background: var(--navy-3); overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: filter .4s ease; }
.card:hover .card-media img { filter: saturate(1); }
.card-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,24,34,0) 50%, rgba(15,24,34,.8) 100%); pointer-events: none; }
.card-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; background: radial-gradient(80% 90% at 30% 20%, var(--navy-3), var(--navy)); color: var(--on-dark-muted); }
.card-placeholder b { font-size: 64px; line-height: 1; color: rgba(255,255,255,.14); font-weight: 900; }
.card-placeholder i { font-style: normal; font-size: 13px; letter-spacing: .1em; }
.card-tag { position: absolute; left: 20px; right: 20px; bottom: 12px; z-index: 1; display: flex; align-items: center; gap: 8px; font-family: var(--font-num); font-size: 12.5px; letter-spacing: .04em; font-weight: 600; color: rgba(255,255,255,.88); }
.card-tag i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .6; }

.card-body { display: flex; flex-direction: column; flex: 1; padding: 20px 20px 4px; color: var(--on-dark); }
.card-title { display: block; font-size: 20px; font-weight: 700; color: #fff; line-height: 1.3; letter-spacing: .01em; }
.card-blurb { display: block; margin-top: 8px; margin-bottom: 0; font-size: 14px; line-height: 1.7; color: var(--on-dark-muted); flex: 1; }
/* 核心指标：一行读数，不加分隔线 */
.card-kpi { display: flex; align-items: baseline; gap: 10px; margin-top: 18px; }
.card-kpi b { font-family: var(--font-num); font-size: 22px; color: var(--orange-2); font-weight: 600; white-space: nowrap; line-height: 1.1; }
.card-kpi span { font-size: 12.5px; color: var(--on-dark-muted); line-height: 1.4; }
/* 底栏两个动作：左"查看方案"（跟随整卡链接），右"PDF"（独立链接，叠在铺满层上） */
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px 18px; font-size: 13px; }
.card-go { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-weight: 600; }
.card-pdf { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 5px 12px; border-radius: 4px; background: rgba(230,126,34,.14); color: var(--orange-2); font-weight: 700; transition: background .15s, color .15s; }
.card-pdf small { margin-left: 2px; font-family: var(--font-num); font-size: 11.5px; font-weight: 500; color: var(--on-dark-muted); }
.card-pdf:hover, .card-pdf:focus-visible { background: var(--orange); color: #fff; outline: none; }
.card-pdf:hover small, .card-pdf:focus-visible small { color: rgba(255,255,255,.85); }
.card-pdf-off { z-index: auto; background: none; padding-right: 0; color: var(--on-dark-muted); font-weight: 500; font-size: 12.5px; }
.card-go svg { transition: transform .2s ease; }
.card:hover .card-go { color: var(--orange-2); }
.card:hover .card-go svg { transform: translateX(3px); }
.card-wip .card-media img { filter: saturate(.5); }

@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
@media (prefers-reduced-motion: reduce) { .card-go svg, .card-media img { transition: none; } }
/* ---------- 五类能力 ---------- */
/* 规格表：白底无外框，一行一类能力，行间一条发丝线；桌面三列 = 编号 | 能力名 + 定位 | 典型应用 */
.caps { display: grid; padding: 4px 22px; background: #fff; border-radius: var(--radius-lg); }
.cap { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 4px 14px; padding: 20px 0; }
.cap + .cap { border-top: 1px solid var(--hair); }
.cap-num { grid-row: span 2; font-family: var(--font-num); font-size: 24px; line-height: 1; color: var(--orange); font-weight: 600; padding-top: 2px; }
.cap h3 { font-size: 17px; line-height: 1.4; }
.cap h3 small { display: block; margin-top: 2px; font-size: 13.5px; color: var(--red); font-weight: 600; }
.cap-tag { margin-top: 2px; color: var(--ink-2); font-weight: 600; font-size: 14px; }
.cap-ex { grid-column: 2; margin-top: 8px; font-size: 13.5px; line-height: 1.75; color: var(--ink-2); }
.cap-ex-k { display: block; margin-bottom: 2px; font-size: 11.5px; letter-spacing: .12em; color: var(--muted); font-weight: 600; }
.caps-compact { gap: 10px; }
.caps-compact .cap { padding: 14px 0; grid-template-columns: 40px 1fr; }
.caps-compact .cap-num { font-size: 22px; }
.caps-compact .cap h3 { font-size: 16.5px; }
@media (min-width: 900px) {
  .caps { padding: 8px 36px; }
  .cap { grid-template-columns: 64px minmax(0, .9fr) minmax(0, 1.6fr); align-items: start; gap: 0 40px; padding: 26px 0; }
  .cap-num { grid-row: auto; font-size: 30px; }
  .cap > div { display: contents; }
  .cap h3 { grid-column: 2; font-size: 18px; }
  .cap-tag { grid-column: 2; grid-row: 2; }
  .cap-ex { grid-column: 3; grid-row: 1 / span 2; margin-top: 0; }
}
/* ---------- 实施路径 ---------- */
/* 三个阶段：一条贯穿的时间基线（每段顶部 2px），阶段之间只靠留白分隔 */
.phases { display: grid; gap: 28px; counter-reset: ph; }
.phase { position: relative; padding-top: 20px; border-top: 2px solid var(--ink); counter-increment: ph; }
.phase:first-child { border-top-color: var(--orange); }
.phase-when { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; font-family: var(--font-num); font-size: 13px; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.phase-when::before { content: "PHASE " counter(ph, decimal-leading-zero); font-size: 11.5px; letter-spacing: .16em; color: var(--orange); font-weight: 700; }
.phase h3 { font-size: 18px; line-height: 1.4; }
.phase p { margin-top: 8px; color: var(--ink-2); font-size: 14.5px; line-height: 1.75; }
@media (min-width: 900px) {
  .phases { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .phase { padding-top: 24px; }
}

/* 分工：三个独立色块（首页与行业页共用），不共用外框、不画分隔线 */
.division { display: grid; gap: 16px; margin-top: 40px; }
.div-card { padding: 22px 22px 24px; background: #fff; border-radius: var(--radius-lg); }
.div-card h4 { margin-bottom: 10px; font-size: 15px; color: var(--ink); font-weight: 700; }
.div-card p { font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.div-card-dark { background: var(--navy); color: var(--on-dark); }
.div-card-dark h4 { color: var(--orange-2); }
.div-card-dark p { color: var(--on-dark); }
@media (min-width: 900px) { .division { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } .div-card { padding: 28px 28px 30px; } }
/* ---------- 商务咨询 ---------- */
/* 联系方式：一张行间发丝线分隔的信息表，背景不加装饰 */
.contact { position: relative; overflow: hidden; }
.contact-grid { position: relative; display: grid; gap: 32px; }
.contact-grid > * { min-width: 0; }
.contact h2 { font-size: clamp(26px, 4.6vw, 38px); font-weight: 800; }
.contact-lines { margin-top: 28px; display: grid; }
.contact-line { display: grid; grid-template-columns: 5.5em minmax(0, 1fr) auto; gap: 14px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--hair-dark); font-size: 15.5px; color: #fff; }
.contact-line > span:last-child { overflow-wrap: anywhere; }
.contact-k { font-size: 12px; letter-spacing: .12em; color: var(--on-dark-muted); font-weight: 600; }
a.contact-line::after { content: "→"; color: var(--on-dark-muted); transition: transform .2s, color .2s; }
a.contact-line:hover span:nth-child(2), a.contact-line:hover::after { color: var(--orange-2); }
a.contact-line:hover::after { transform: translateX(3px); }
.contact-cta { margin-top: 24px; }

.qr-card { justify-self: start; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px; padding: 16px; background: #fff; color: var(--ink); border-radius: var(--radius-lg); max-width: 420px; }
.qr-card img { width: 128px; height: 128px; border-radius: 4px; }
.qr-card p { font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.qr-card b { color: var(--ink); font-size: 15px; }
@media (min-width: 640px) { .qr-card img { width: 160px; height: 160px; } }
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1.4fr 1fr; align-items: center; gap: 64px; }
  .qr-card { justify-self: end; grid-template-columns: 1fr; text-align: center; padding: 22px; }
  .qr-card img { width: 200px; height: 200px; margin: 0 auto; }
}
/* =====================================================================
   首页与清单总览：七大能力条、系统清单卡片、投入参考、常见问题
   与全站同一套版面规则：列表白底无框、行间浅发丝线；块为独立色块、靠留白分隔；悬停不上浮
   ===================================================================== */

/* ---------- 七大能力条（首页 / 清单总览） ---------- */
.capstrip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.capstrip li { display: grid; gap: 2px; align-content: start; padding: 16px 16px 18px; background: #fff; border-radius: var(--radius); }
.capstrip-no { font-family: var(--font-num); font-size: 12px; letter-spacing: .12em; font-weight: 600; color: var(--orange); }
.capstrip b { margin-top: 2px; font-size: 14.5px; line-height: 1.35; color: var(--ink); }
.capstrip small { margin-top: 6px; font-family: var(--font-num); font-size: 12.5px; color: var(--muted); }
.capstrip li:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (min-width: 640px) { .capstrip { grid-template-columns: repeat(4, 1fr); } .capstrip li:last-child:nth-child(odd) { grid-column: auto; } }
@media (min-width: 1024px) { .capstrip { grid-template-columns: repeat(7, 1fr); gap: 12px; } .capstrip li { padding: 18px 16px 20px; } }

/* ---------- 系统清单卡片 ---------- */
.lcards { display: grid; gap: 20px; }
.capstrip + .lcards { margin-top: 24px; }
.lcard { position: relative; display: flex; flex-direction: column; background: var(--navy); color: var(--on-dark); border-radius: var(--radius-lg); overflow: hidden; transition: background .2s; }
.lcard:hover, .lcard:focus-visible { background: var(--navy-2); }
.lcard-media { position: relative; display: block; aspect-ratio: 16 / 9; background: var(--navy-3); overflow: hidden; }
.lcard-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: filter .4s ease; }
.lcard:hover .lcard-media img { filter: saturate(1); }
.lcard-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,24,34,.85)); }
.lcard-count { position: absolute; left: 16px; bottom: 12px; z-index: 1; display: flex; align-items: baseline; gap: 6px; font-size: 12.5px; color: rgba(255,255,255,.8); }
.lcard-count b { font-family: var(--font-num); font-size: 28px; color: #fff; font-weight: 600; line-height: 1; }
.lcard-body { display: flex; flex-direction: column; flex: 1; gap: 8px; padding: 20px 20px 0; }
.lcard-title { font-size: 17px; color: #fff; }
.lcard-quote { flex: 1; font-size: 13.5px; color: var(--on-dark-muted); line-height: 1.65; }
.lcard-go { display: flex; margin: 6px 0 0; padding: 0 0 20px; font-size: 13px; font-weight: 600; color: #fff; }
.lcard:hover .lcard-go { color: var(--orange-2); }
@media (min-width: 640px) { .lcards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .lcards { grid-template-columns: repeat(3, 1fr); gap: 24px; } .lcards-1 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); } }
.more-row { margin-top: 24px; text-align: center; }

/* ---------- 投入参考 ---------- */
.tiers-block { margin-top: 56px; }
.tiers-title { font-size: clamp(20px, 3.2vw, 24px); font-weight: 800; }
.tiers-sub { margin: 8px 0 16px; font-size: 14.5px; color: var(--ink-2); }
.tiers-scroll { border-radius: var(--radius-lg); background: #fff; overflow: hidden; }
.tiers td small { display: block; margin-top: 2px; font-size: 12.5px; color: var(--muted); }
.tier-no { display: inline-block; margin-right: 10px; font-family: var(--font-num); font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.tiers td.hl { font-family: var(--font-num); color: var(--ink); font-weight: 600; }
@media (min-width: 900px) {
  .tiers tbody th { min-width: 160px; }
  .tiers td:nth-child(2) { white-space: nowrap; font-family: var(--font-num); }
  .tiers td.hl { white-space: nowrap; }
}

/* ---------- 常见问题 ---------- */
/* 白底列表，无外框；行间一条浅发丝线，展开项的问题转为橙色 */
.faq { display: grid; padding: 0 18px; background: #fff; border-radius: var(--radius-lg); counter-reset: faq; }
.faq-item { counter-increment: faq; }
.faq-item + .faq-item { border-top: 1px solid var(--hair); }
.faq-item[open] summary { color: var(--orange); }
.faq-item summary { display: grid; grid-template-columns: 2.2em minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 18px 0; cursor: pointer; list-style: none; font-size: 15.5px; font-weight: 700; color: var(--ink); -webkit-tap-highlight-color: transparent; }
.faq-item summary::before { content: counter(faq, decimal-leading-zero); font-family: var(--font-num); font-size: 12px; letter-spacing: .1em; color: var(--muted); font-weight: 600; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { content: ""; }
.faq-item summary:hover { color: var(--orange); }
.faq-item summary .chev { flex: none; color: var(--muted); }
.faq-item[open] summary .chev { transform: translateY(2px) rotate(-135deg); }
.faq-item p { padding: 0 0 20px calc(2.2em + 10px); font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.text-link { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 900px) {
  .faq-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr); gap: 56px; align-items: start; }
  .faq-wrap .section-head { position: sticky; top: calc(var(--nav-h) + 32px); margin-bottom: 0; }
  .faq { padding: 0 28px; }
  .faq-item summary { padding: 20px 0; font-size: 16.5px; }
  .faq-item p { padding: 0 0 22px calc(2.2em + 10px); }
}

/* 导航菜单里的计数 */
.menu-note { margin-left: 6px; font-size: 13px; color: var(--on-dark-muted); font-weight: 500; }
/* =====================================================================
   行业页
   ===================================================================== */
.cover { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 40px 0 44px; isolation: isolate; }
.cover-bg { position: absolute; inset: 0; background-size: cover; background-position: center 30%; opacity: .5; transform: scale(1.02); filter: saturate(.9); }
.cover-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,24,34,.35) 0%, rgba(15,24,34,.75) 60%, var(--navy) 100%), linear-gradient(90deg, rgba(15,24,34,.6), transparent 70%); }
.cover-noimg { background: radial-gradient(80% 100% at 80% 0%, var(--navy-3), var(--navy) 70%); }
.cover-short { padding-bottom: 40px; }
/* 版心与导航、正文同宽对齐（不再 margin-left:0 顶到左边）；文字块自身限宽，保持可读行长 */
.cover-inner { position: relative; z-index: 1; }
.cover-inner > h1, .cover-inner > .cover-sub, .cover-inner > .cover-meta { max-width: 900px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; font-size: 13px; color: var(--on-dark-muted); }
.crumbs a:hover { color: #fff; }
.crumbs b { color: var(--on-dark); font-weight: 600; }
.cover-tag { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 12.5px; letter-spacing: .12em; font-weight: 700; text-transform: uppercase; color: var(--orange-2); }
.cover-bar { display: block; width: 64px; height: 4px; margin: 16px 0 18px; background: linear-gradient(90deg, var(--orange), var(--red)); border-radius: 2px; }
.cover h1 { font-size: clamp(28px, 6.2vw, 52px); line-height: 1.18; letter-spacing: -.02em; }
.cover-sub { margin-top: 16px; font-size: 16px; color: var(--on-dark); max-width: 720px; }
.cover-meta { margin-top: 14px; font-size: 13px; color: var(--on-dark-muted); line-height: 1.7; }
.cover-meta .sep { margin: 0 8px; opacity: .5; }
.cover-meta .meta-aud { display: block; }
.cover-meta .meta-aud { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--on-dark); }
.cover-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.cover-cta .btn-lg { flex: 1 1 auto; }
/* 封面第三个下载（PPTX 原件）做成文字链接，不再加一颗按钮 */
.cover-alt { flex: 0 0 100%; font-size: 13.5px; font-weight: 600; color: var(--on-dark); text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 4px; }
.cover-alt:hover { color: var(--orange-2); text-decoration-color: currentColor; }
@media (min-width: 640px) { .cover-alt { flex: none; margin-left: 6px; } }
@media (min-width: 640px) { .cover-cta { gap: 12px; } .cover-cta .btn-lg { flex: none; } .cover-meta .meta-aud { -webkit-line-clamp: 3; } }
@media (min-width: 900px) { .cover { padding: 64px 0 72px; } .cover-sub { font-size: 17.5px; } .cover-meta { font-size: 14px; } }

/* 行业页 / 清单页封面：与首页首屏同一套语言 —— 工程网格、左侧基准线、细线读数条 */
.cover-x { padding: 32px 0 36px; }
.cover-x .cover-bg { opacity: .5; filter: saturate(.7) contrast(1.05); }
.cover-x .cover-bg::after { background: linear-gradient(90deg, rgba(15,24,34,.94) 0%, rgba(15,24,34,.74) 45%, rgba(15,24,34,.4) 100%), linear-gradient(180deg, rgba(15,24,34,.15) 0%, rgba(15,24,34,.1) 55%, var(--navy) 100%); }
.cover-x::after { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: linear-gradient(90deg, transparent 25%, #000 80%); mask-image: linear-gradient(90deg, transparent 25%, #000 80%); }
.cover-x .cover-inner > h1, .cover-x .cover-inner > .cover-meta { max-width: 1000px; }
.cover-x h1 { font-size: clamp(28px, 7vw, 58px); font-weight: 800; letter-spacing: -.015em; text-wrap: balance; }
.cover-x h1 em { font-style: normal; color: var(--orange-2); }
.cover-x .cover-tag { letter-spacing: .14em; font-weight: 600; }
.badge-year { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); border-radius: 3px; letter-spacing: .08em; font-weight: 600; }
/* 效益读数：细线分隔、数字白色、说明灰色；手机一行一个，平板起三列 */
.cover-kpis { display: grid; margin-top: 28px; max-width: 760px; border-top: 1px solid rgba(255,255,255,.14); }
.cover-kpis li { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: baseline; gap: 12px; padding: 11px 0; }
.cover-kpis b { display: block; font-family: var(--font-num); font-size: 22px; line-height: 1.1; color: #fff; font-weight: 600; white-space: nowrap; }
.cover-kpis span { display: block; font-size: 12.5px; line-height: 1.45; color: var(--on-dark-muted); }
.arrow-down { font-style: normal; display: inline-block; transition: transform .2s; }
.btn:hover .arrow-down { transform: translateY(3px); }
.cover-x .cover-meta { margin-top: 18px; }
@media (min-width: 640px) {
  .cover-kpis { grid-template-columns: repeat(3, 1fr); }
  .cover-kpis li { display: block; padding: 16px 16px 4px 0; }
  .cover-kpis li + li { padding-left: 24px; }
  .cover-kpis b { font-size: clamp(22px, 3.4vw, 30px); white-space: normal; word-break: keep-all; overflow-wrap: anywhere; }
  .cover-kpis span { margin-top: 6px; }
}
@media (min-width: 900px) {
  .cover-x { padding: 44px 0 48px; min-height: clamp(500px, calc(76vh - var(--nav-h)), 640px); display: flex; flex-direction: column; justify-content: center; }
  .cover-x .cover-bg { background-position: center 40%; }
  /* 左侧基准线：面包屑以下的内容块 */
  .cover-x .cover-body { padding-left: 28px; border-left: 2px solid var(--orange); }
  .cover-x .cover-body > h1, .cover-x .cover-body > .cover-meta { max-width: 1000px; }
  .cover-x .cover-body > .cover-sub { max-width: 820px; }
  .cover-kpis { margin-top: 26px; max-width: 860px; }
  .cover-kpis b { font-size: 30px; white-space: nowrap; }
}

/* 关键指标：现状 → 目标值。八个独立的读数块，靠留白成组；不画外框、分隔线与网格 */
.impact { position: relative; background: var(--navy-2); color: var(--on-dark); padding: 48px 0 44px; }
.impact-head { margin-bottom: 24px; }
.impact-head .eyebrow { color: var(--orange-2); }
.impact-head h2 { font-size: clamp(22px, 4.6vw, 34px); color: #fff; }
.impact-sub { margin-top: 10px; font-size: 14.5px; color: var(--on-dark-muted); max-width: 820px; }
.impact-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.impact-card { display: grid; gap: 4px; align-content: start; padding: 16px 14px 18px; background: rgba(255,255,255,.04); border-radius: var(--radius); }
.impact-metric { font-size: 13px; font-weight: 700; color: #fff; }
.impact-before { font-size: 12px; color: var(--on-dark-muted); }
.impact-before::before { content: "现状"; display: inline-block; margin-right: 6px; font-size: 10.5px; letter-spacing: .1em; color: rgba(255,255,255,.42); }
.impact-after { margin-top: 10px; font-family: var(--font-num); font-size: clamp(18px, 5vw, 26px); line-height: 1.1; color: var(--orange-2); font-weight: 600; word-break: keep-all; overflow-wrap: anywhere; }
.impact-after::before { content: "目标"; display: block; margin-bottom: 4px; font-family: var(--font); font-size: 10.5px; letter-spacing: .1em; font-weight: 400; color: rgba(255,255,255,.42); }
@media (min-width: 640px) { .impact-row { gap: 14px; } .impact-card { padding: 20px 20px 22px; gap: 6px; } .impact-before { font-size: 13px; } }
@media (min-width: 900px) {
  .impact { padding: 72px 0 68px; }
  .impact-head { margin-bottom: 32px; }
  .impact-row { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .impact-card { padding: 24px 24px 26px; }
  .impact-metric { font-size: 14.5px; }
  .impact-after { font-size: 30px; }
}
/* 场景总览：五类能力 × 25 个场景。手机为五条折叠栏（details），桌面五列全展开 */
.chev { display: inline-block; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .2s; }
/* 五列独立的白色栏，栏间靠留白；列表项之间不画线，只用行距与编号对齐 */
.map { display: grid; gap: 10px; }
.map-col { position: relative; background: #fff; border-radius: var(--radius-lg); overflow: hidden; }
.map-sum { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 12px; padding: 16px 16px; cursor: pointer; list-style: none; -webkit-tap-highlight-color: transparent; }
.map-sum::-webkit-details-marker { display: none; }
.map-sum::marker { content: ""; }
.map-num { font-family: var(--font-num); font-size: 11.5px; letter-spacing: .14em; color: var(--orange); font-weight: 700; white-space: nowrap; }
.map-sum-text b { display: block; font-size: 15px; color: var(--ink); line-height: 1.3; }
.map-sum-text small { display: block; margin-top: 3px; font-size: 12px; color: var(--muted); font-weight: 500; }
.map-count { font-family: var(--font-num); font-size: 12px; color: var(--muted); white-space: nowrap; }
.map-col[open] .map-sum .chev { transform: translateY(2px) rotate(-135deg); }
.map-media { display: none; position: relative; aspect-ratio: 16 / 9; background: var(--navy); overflow: hidden; }
.map-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: filter .4s; }
.map-media:hover img { filter: saturate(1); }
.map-list { display: grid; padding: 0 0 12px; }
.map-list a { display: grid; grid-template-columns: 30px 1fr; gap: 6px; padding: 8px 16px; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); transition: color .15s, background .15s; }
.map-list a:hover { color: var(--orange); background: var(--light); }
.map-list b { font-family: var(--font-num); color: var(--orange); font-size: 13.5px; font-weight: 600; }
@media (min-width: 900px) {
  .map { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
  .map-sum { grid-template-columns: 1fr; gap: 8px; padding: 20px 18px 16px; cursor: default; pointer-events: none; }
  .map-sum-text b { font-size: 16px; }
  .map-sum-text small { min-height: 2.7em; }   /* 副标题占两行的位置，五列的图片对齐 */
  .map-count, .map-sum .chev { display: none; }
  .map-media { display: block; }
  .map-list { padding: 10px 0 16px; }
  .map-list a { font-size: 12.5px; grid-template-columns: 26px 1fr; padding: 7px 18px; }
}

/* 子导航：手机为吸顶的"本页目录"下拉（点开是平铺换行的章节按钮），桌面为一行标签 */
.subnav { position: sticky; top: var(--nav-h); z-index: 90; background: rgba(244,239,231,.96); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.subnav-toggle { display: flex; width: 100%; align-items: center; gap: 10px; padding: 12px var(--gutter); font-size: 14px; font-weight: 700; color: var(--ink); text-align: left; -webkit-tap-highlight-color: transparent; }
.subnav-toggle-k { flex: none; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--orange); }
.subnav-toggle-cur { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.subnav-toggle .chev { flex: none; color: var(--muted); }
.subnav.open .subnav-toggle .chev { transform: translateY(2px) rotate(-135deg); }
.subnav-inner { display: none; flex-wrap: wrap; gap: 6px; padding: 0 var(--gutter) 12px; }
.subnav.open .subnav-inner { display: flex; }
.subnav-inner a { padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; font-weight: 600; color: var(--ink-2); transition: color .15s, background .15s, border-color .15s; }
.subnav-inner a.active { background: var(--orange); border-color: var(--orange); color: #fff; }
@media (min-width: 900px) {
  .subnav-toggle { display: none; }
  .subnav-inner { display: flex; gap: 10px; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
  .subnav-inner a { padding: 15px 12px; border: 0; border-radius: 0; background: none; font-size: 14px; border-bottom: 3px solid transparent; white-space: nowrap; }
  .subnav-inner a:hover { color: var(--ink); }
  .subnav-inner a.active { background: none; color: var(--orange); border-bottom-color: var(--orange); }
}

/* 铺垫：五种能力 + 对比 */
.why-grid { display: grid; gap: 22px; }
.compare { align-self: start; padding: 18px 16px; background: var(--navy); color: var(--on-dark); border-radius: var(--radius-lg); }
.compare-title { font-weight: 700; font-size: 16px; margin-bottom: 8px; }
.compare-title small { display: block; margin-top: 2px; font-size: 12.5px; color: var(--on-dark-muted); font-weight: 400; }
.compare table { font-size: 13.5px; }
.compare th, .compare td { padding: 9px 6px; border-top: 1px solid var(--hair-dark); text-align: left; vertical-align: top; }
.compare th { font-weight: 600; color: #fff; width: 38%; }
.compare td.before { color: var(--on-dark-muted); }
.compare td.after { color: var(--orange-2); font-weight: 600; white-space: nowrap; }
.compare td.after::before { content: "→ "; opacity: .55; font-weight: 400; }
.note { margin-top: 24px; padding: 16px 20px; background: var(--paper-2); font-size: 13.5px; color: var(--ink-2); border-radius: var(--radius); }
@media (min-width: 900px) { .why-grid { grid-template-columns: 1.25fr 1fr; gap: 32px; } .compare { padding: 24px 22px; position: sticky; top: calc(var(--nav-h) + 60px); } .compare table { font-size: 14px; } }

/* 案例：白色色块，无描边与分隔线。企业名 + 地区为表头，主题一行，要点用行距分开，来源为底部小字 */
.cases { display: grid; gap: 20px; }
.case { display: flex; flex-direction: column; background: #fff; border-radius: var(--radius-lg); overflow: hidden; }
.case header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 12px; padding: 24px 24px 0; }
.case header b { font-size: 17px; color: var(--navy); }
.case header span { font-size: 11.5px; letter-spacing: .06em; color: var(--muted); }
.case-theme { margin: 10px 24px 0; color: #b35f12; font-weight: 600; font-size: 14px; line-height: 1.55; }
.case ul { margin-top: 14px; padding: 0 24px; display: grid; gap: 8px; flex: 1; align-content: start; }
.case li { position: relative; padding-left: 14px; font-size: 14px; color: var(--ink-2); }
.case li::before { content: ""; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.case li strong { color: var(--ink); font-family: var(--font-num); font-weight: 600; }
.case-src { margin-top: 16px; padding: 0 24px 22px; font-size: 12px; color: var(--muted); }
.band { margin-top: 24px; padding: 20px 24px; background: var(--navy); color: var(--on-dark); border-radius: var(--radius-lg); font-size: 15px; }
@media (min-width: 640px) { .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .cases { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; } }
/* 章节 */
.chapter { background: var(--paper); }
.chapter-hero { position: relative; background: var(--navy) center / cover no-repeat; color: #fff; isolation: isolate; }
.chapter-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,24,34,.78), rgba(15,24,34,.9)), linear-gradient(90deg, rgba(15,24,34,.5), transparent); z-index: -1; }
.chapter-hero-inner { display: grid; gap: 26px; padding-top: 48px; padding-bottom: 48px; }
.chapter-copy h2 { font-size: clamp(24px, 5vw, 38px); }
.chapter-intro { margin-top: 14px; color: var(--on-dark); font-size: 15.5px; }
/* 章节目录：编号 + 标题的索引，行距分隔，不画线 */
.chapter-fig { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 9; background: var(--navy-3); }
.chapter-fig img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 900px) { .chapter-hero-inner { grid-template-columns: 1.1fr 1fr; align-items: center; gap: 48px; padding-top: 72px; padding-bottom: 72px; } }

.scenes { padding-top: 34px; padding-bottom: 34px; display: grid; gap: 26px; }
.scene { position: relative; background: #fff; border-radius: var(--radius-lg); overflow: hidden; }
/* 手机上编号放标题上方，让长标题用满整行宽度；平板起编号与标题并排 */
.scene-head { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 20px 18px 0; }
.scene-id { flex: none; font-family: var(--font-num); font-size: 26px; line-height: 1; color: var(--orange); font-weight: 600; padding-top: 2px; }
.scene-head h3 { flex: 1 1 0; min-width: 0; font-size: 18px; line-height: 1.4; }
@media (min-width: 640px) { .scene-head { flex-direction: row; gap: 14px; } .scene-id { font-size: 30px; } }
.scene-headline { padding: 12px 18px 0; font-size: 15.5px; color: var(--ink-2); }
.scene-headline strong { color: var(--red); }
.scene-grid { display: grid; gap: 18px; padding: 16px 0 20px; }
/* 场景配图：手机只放一张现场图（第二张示意图不显示，页面不横滑也不过长）；平板两张并排；桌面竖排在左栏 */
.scene-media { display: grid; gap: 12px; padding: 0 18px; }
.scene-media figure { border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9; background: var(--paper-2); }
.scene-media figure + figure { display: none; }
.scene-media img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 640px) { .scene-media { grid-template-columns: 1fr 1fr; } .scene-media figure + figure { display: block; } }
.scene-body { padding: 0 18px; }
/* 现状 / 方案：两块并排的底色块（现状浅灰、方案浅橙），不画框与分隔线 */
.scene-cols { display: grid; gap: 12px; }
.pain, .how { padding: 16px 18px 18px; border-radius: var(--radius); }
.pain { background: var(--light); }
.how { background: #fdf4ea; }
.pain h4, .how h4 { font-size: 13px; letter-spacing: .08em; margin-bottom: 10px; }
.pain h4 { color: var(--muted); }
.how h4 { color: #b35f12; }
.pain ul, .how ul { display: grid; gap: 8px; }
.pain li, .how li { position: relative; padding-left: 16px; font-size: 14.5px; color: var(--ink-2); }
.pain li::before, .how li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; }
.pain li::before { background: var(--muted); }
.how li::before { background: var(--orange); }
.pain li strong { color: var(--ink); }
.how li strong { color: var(--ink); }
/* 场景指标：一块深色读数面板，三项靠间距分开，不画分隔线；手机上一行一项（数字左、说明右），平板起三列 */
.kpis { display: grid; gap: 4px 0; margin-top: 12px; padding: 8px 4px; background: var(--navy); border-radius: var(--radius); }
.kpi { display: grid; grid-template-columns: minmax(78px, auto) minmax(0, 1fr); align-items: baseline; gap: 12px; padding: 6px 14px; color: #fff; text-align: left; }
.kpi b { display: block; font-family: var(--font-num); font-size: 20px; line-height: 1.05; color: var(--orange-2); font-weight: 600; white-space: nowrap; }
.kpi span { display: block; font-size: 12.5px; line-height: 1.4; color: var(--on-dark-muted); }
@media (min-width: 640px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kpi { display: block; padding: 10px 16px 8px; }
  .kpi b { white-space: normal; word-break: keep-all; overflow-wrap: anywhere; }
  .kpi span { margin-top: 6px; }
}
.landing { display: flex; align-items: baseline; gap: 10px; margin-top: 14px; font-size: 14px; color: var(--ink-2); }
.landing b { flex: none; font-size: 12px; letter-spacing: .1em; color: var(--orange); font-weight: 700; }
@media (min-width: 640px) { .kpi b { font-size: 26px; } .kpi span { font-size: 12.5px; } .scene-cols { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) {
  .scenes { padding-top: 48px; padding-bottom: 56px; gap: 32px; }
  .scene-head { padding: 26px 28px 0; }
  .scene-head h3 { font-size: 22px; }
  .scene-headline { padding: 14px 28px 0; font-size: 18px; }
  .kpi b { font-size: 28px; }
  .scene-grid { grid-template-columns: minmax(320px, 40%) 1fr; gap: 28px; padding: 22px 28px 28px; }
  .scene-grid-noimg { grid-template-columns: 1fr; }
  .scene-media { grid-template-columns: 1fr; padding: 0; gap: 14px; }
  .scene-body { padding: 0; }
}

/* 架构：五层堆叠为独立的层块，层间 6px 留白；层级用层名前的色点表示，不画框线 */
.arch-grid { display: grid; gap: 22px; }
.arch-layers { display: grid; align-content: start; }
.arch-stack { display: grid; gap: 6px; }
.layer { position: relative; display: grid; gap: 10px; padding: 16px 18px 16px 34px; background: #fff; border-radius: var(--radius); }
.layer::before { content: ""; position: absolute; left: 18px; top: 23px; width: 8px; height: 8px; border-radius: 2px; }
.layer-1::before { background: var(--orange); }
.layer-2::before { background: var(--red); }
.layer-3::before { background: var(--navy); }
.layer-4::before { background: #56697d; }
.layer-5::before { background: #9aa8b6; }
.layer-name { display: flex; align-items: baseline; gap: 10px; font-weight: 700; font-size: 15px; color: var(--navy); }
.layer-name small { font-family: var(--font-num); font-size: 11px; letter-spacing: .12em; font-weight: 600; color: var(--muted); }
.layer-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.layer-chips span { padding: 4px 10px; border-radius: 3px; background: var(--paper); font-size: 12.5px; color: var(--ink-2); }
.arch-foot { margin-top: 14px; font-size: 13.5px; color: var(--ink-2); }
/* 右侧两块：独立色块上下排列，深色为安全，白色为运行方式；条目用行距分开，不画虚线 */
.arch-panels { display: grid; align-content: start; gap: 16px; }
.panel { position: relative; padding: 24px 24px 22px; background: #fff; border-radius: var(--radius-lg); }
.panel h3 { font-size: 16px; margin-bottom: 12px; }
.panel ul { display: grid; gap: 4px; }
.panel li { position: relative; padding: 5px 0 5px 22px; font-size: 14px; color: var(--ink-2); }
.panel li::before { content: ""; position: absolute; left: 2px; top: calc(5px + .5em); width: 9px; height: 5px; border-left: 2px solid var(--orange); border-bottom: 2px solid var(--orange); transform: rotate(-45deg); }
.panel-dark { background: var(--navy); color: var(--on-dark); }
.panel-dark h3 { color: #fff; }
.panel-dark li { color: var(--on-dark); }
.panel-dark li::before { border-color: var(--orange-2); }
@media (min-width: 900px) {
  .arch-grid { grid-template-columns: 1.55fr 1fr; gap: 28px; align-items: start; }
  .layer { grid-template-columns: 140px 1fr; align-items: center; padding: 16px 22px 16px 40px; }
  .layer::before { left: 22px; top: 50%; margin-top: -4px; }
  .layer-name { flex-direction: column; gap: 2px; }
  .layer-chips span { font-size: 13px; }
}
/* 甘特图 */
.gantt { position: relative; --name-w: 0px; padding: 20px 16px; background: #fff; border-radius: var(--radius-lg); overflow: hidden; }
.gantt-phases, .gantt-months, .gantt-row, .gantt-ms { display: grid; grid-template-columns: 1fr; gap: 4px 14px; align-items: center; }
.gantt-name { font-size: 13.5px; color: var(--ink-2); font-weight: 600; line-height: 1.4; }
.gantt-track { position: relative; height: 26px; border-radius: 4px; background: repeating-linear-gradient(90deg, transparent 0, transparent calc(100% / var(--months) - 1px), var(--hair) calc(100% / var(--months) - 1px), var(--hair) calc(100% / var(--months))); }
/* 阶段：图例 + 按月定位的细色带 */
.gantt-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 12px; font-size: 13px; font-weight: 700; color: var(--ink); }
.gantt-legend span { display: inline-flex; align-items: center; gap: 8px; }
.gantt-legend i { width: 12px; height: 12px; border-radius: 2px; }
.gantt-legend small { font-size: 12px; font-weight: 500; color: var(--muted); }
.gantt-legend .gp-1 i { background: var(--orange); }
.gantt-legend .gp-2 i { background: var(--red); }
.gantt-legend .gp-3 i { background: var(--navy); }
.gantt-phases .gantt-track { height: 10px; background: none; }
.gantt-phase { position: absolute; top: 0; bottom: 0; left: calc((var(--s) - 1) * 100% / var(--months)); width: calc((var(--e) - var(--s) + 1) * 100% / var(--months) - 3px); border-radius: 1px; }
.gantt-phase.gp-1 { background: var(--orange); }
.gantt-phase.gp-2 { background: var(--red); }
.gantt-phase.gp-3 { background: var(--navy); }
.gantt-months .gantt-track { display: grid; grid-template-columns: repeat(var(--months), 1fr); background: none; height: 18px; margin: 6px 0 2px; }
.gantt-months span { font-size: 10px; color: var(--muted); text-align: center; line-height: 18px; overflow: hidden; }
.gantt-months span:nth-child(2n) { visibility: hidden; }
.gantt-row { padding: 5px 0; }
.gantt-bar { position: absolute; top: 3px; bottom: 3px; left: calc((var(--s) - 1) * 100% / var(--months)); width: calc((var(--e) - var(--s) + 1) * 100% / var(--months) - 2px); border-radius: 3px; font-family: var(--font-num); font-size: 11px; letter-spacing: .02em; color: #fff; padding: 0 8px; line-height: 20px; white-space: nowrap; overflow: hidden; }
.gantt-bar.p1 { background: var(--orange); }
.gantt-bar.p2 { background: var(--red); }
.gantt-bar.p3 { background: var(--navy); }
/* 里程碑：窄屏为竖排列表，宽屏为按月定位的圆点 */
.gantt-ms { padding-top: 14px; margin-top: 8px; border-top: 1px solid var(--hair); align-items: start; }
.gantt-ms .gantt-track { height: auto; background: none; display: grid; gap: 8px; }
.gantt-dot { display: flex; align-items: center; gap: 10px; }
.gantt-dot i { flex: none; width: 10px; height: 10px; background: var(--orange); border: 2px solid #fff; box-shadow: 0 0 0 1.5px var(--orange); transform: rotate(45deg); }
.gantt-dot em { font-style: normal; font-size: 13px; color: var(--ink-2); line-height: 1.3; }
@media (min-width: 640px) { .gantt-months span:nth-child(2n) { visibility: visible; } .gantt-months span { font-size: 11px; } }
@media (min-width: 900px) {
  .gantt { padding: 28px 32px; }
  .gantt-phases, .gantt-months, .gantt-row, .gantt-ms { grid-template-columns: 300px 1fr; }
  .gantt-row { padding: 8px 0; }
  .gantt-track { height: 30px; }
  .gantt-bar { line-height: 24px; font-size: 12px; }
  .gantt-phases .gantt-track { height: 12px; }
  .gantt-ms .gantt-track { position: relative; display: block; height: 78px; }
  .gantt-dot { position: absolute; top: 4px; left: calc(var(--m) * 100% / var(--months)); transform: translateX(-50%); flex-direction: column; gap: 6px; width: 0; }
  .gantt-dot em { white-space: nowrap; font-size: 12px; }
  .gantt-dot:nth-child(2n) em { margin-top: 20px; }
  .gantt-dot:last-child { align-items: flex-end; }
  .gantt-dot:last-child i { margin-right: -6px; }
}

/* 效果表 */
.effect-table { margin-top: 40px; }
.effect-table:first-of-type { margin-top: 0; }
.effect-table h3 { font-size: 17px; margin-bottom: 14px; }
.table-scroll { border-radius: var(--radius-lg); background: #fff; overflow: hidden; }
/* 窄屏：每行一张竖排卡片，td 前面用 data-label 标出列名；不横滑 */
.tbl { font-size: 13.5px; }
.tbl thead { display: none; }
.tbl, .tbl tbody, .tbl tr, .tbl th, .tbl td { display: block; }
.tbl tbody tr { padding: 16px 18px 14px; border-bottom: 1px solid var(--hair); }
.tbl tbody tr:last-child { border-bottom: 0; }
.tbl tbody th { padding: 0 0 8px; font-size: 15px; font-weight: 700; color: var(--navy); text-align: left; }
.tbl td { display: grid; grid-template-columns: 5.5em 1fr; gap: 10px; padding: 4px 0; text-align: left; color: var(--ink-2); }
.tbl td::before { content: attr(data-label); font-size: 12px; color: var(--muted); padding-top: 2px; }
.tbl td.hl { color: var(--red); font-weight: 600; }
.tbl td small { grid-column: 2; }
@media (min-width: 900px) {
  .table-scroll { overflow: visible; }
  .tbl { display: table; font-size: 14px; }
  .tbl thead { display: table-header-group; }
  .tbl tbody { display: table-row-group; }
  .tbl tr { display: table-row; }
  .tbl th, .tbl td { display: table-cell; padding: 14px 16px; vertical-align: top; border-bottom: 1px solid var(--hair); }
  .tbl th:first-child, .tbl td:first-child { padding-left: 24px; }
  .tbl th:last-child, .tbl td:last-child { padding-right: 24px; }
  .tbl thead th { padding-top: 16px; padding-bottom: 12px; border-bottom-color: var(--line); background: none; color: var(--muted); font-weight: 600; font-size: 12.5px; letter-spacing: .06em; text-align: left; white-space: nowrap; }
  .tbl tbody tr { padding: 0; }
  .tbl tbody th { padding: 14px 16px; font-size: 14px; font-weight: 600; color: var(--navy); min-width: 190px; }
  .tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: 0; }
  .tbl td::before { content: none; }
}

.chart-block { position: relative; margin-bottom: 8px; padding: 24px 20px; background: #fff; border-radius: var(--radius-lg); }
.chart-block h3 { font-size: 18px; }
.chart-sub { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.chart-grid { display: grid; gap: 22px; margin-top: 18px; }
.chart { display: grid; gap: 10px; }
/* 手机：名称 + 数值一行，条形在下；桌面：名称 | 条形 | 数值 三列 */
.chart-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "name val" "track track"; align-items: baseline; gap: 4px 10px; }
.chart-name { grid-area: name; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.chart-track { grid-area: track; position: relative; height: 22px; border-radius: 4px; background: var(--paper); }
.chart-bar { position: absolute; top: 0; bottom: 0; left: calc(var(--lo) * 1%); width: calc((var(--hi) - var(--lo)) * 1%); border-radius: 4px; background: linear-gradient(90deg, var(--orange), var(--red)); }
.chart-bar::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: #fff; opacity: .6; }
.chart-val { grid-area: val; font-size: 13px; color: var(--ink); white-space: nowrap; font-weight: 600; text-align: right; }
.chart-legend { margin-top: 6px; font-size: 12px; color: var(--muted); display: flex; gap: 14px; align-items: center; }
.chart-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -2px; }
.chart-legend i.lo { background: var(--orange); }
.chart-legend i.hi { background: var(--red); }
/* 汇总：一块深色读数面板，三项靠间距分开；建议文字在面板下方 */
.chart-summary { display: grid; align-content: start; padding: 8px 0; background: var(--navy); border-radius: var(--radius); overflow: hidden; }
.chart-summary > div { padding: 12px 20px; color: var(--on-dark); }
.chart-summary span { display: block; font-size: 12px; letter-spacing: .04em; color: var(--on-dark-muted); }
.chart-summary b { display: block; margin-top: 6px; font-family: var(--font-num); font-size: 22px; color: var(--orange-2); font-weight: 600; line-height: 1.1; }
.chart-summary p { margin: 8px 20px 12px; padding-top: 14px; border-top: 1px solid var(--hair-dark); font-size: 13px; color: var(--on-dark-muted); }
@media (min-width: 900px) { .chart-block { padding: 32px 36px; } .chart-grid { grid-template-columns: 1.7fr 1fr; gap: 36px; } .chart-row { grid-template-columns: minmax(120px, 200px) minmax(0, 1fr) 8.5em; grid-template-areas: "name track val"; align-items: center; gap: 14px; } .chart-name { font-size: 14px; text-align: right; line-height: 1.35; } .chart-track { height: 24px; } .chart-summary b { font-size: 26px; } }

/* =====================================================================
   行业页：页尾商务咨询与上一个 / 下一个行业
   ===================================================================== */
/* 结尾 CTA */

.end { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 56px 0; isolation: isolate; }

.end .cover-bg { opacity: .4; }

.end-inner { position: relative; z-index: 1; display: grid; gap: 32px; }

.end-inner > *, .contact-grid > * { min-width: 0; }   /* 网格项默认 min-width:auto，会被不折行的按钮撑宽 */

.end h2 { font-size: clamp(24px, 5vw, 38px); }

.end .section-sub { color: var(--on-dark-muted); }

@media (min-width: 900px) { .end { padding: 88px 0; } .end-inner { grid-template-columns: 1.4fr 1fr; align-items: center; gap: 56px; } .end .qr-card { justify-self: end; grid-template-columns: 1fr; text-align: center; padding: 24px; } .end .qr-card img { width: 200px; height: 200px; margin: 0 auto; } }



/* 上一个 / 下一个 */

.pager { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; padding-top: 22px; padding-bottom: 22px; background: var(--paper); }

.pager a { display: flex; flex-direction: column; color: var(--ink); }

.pager small { font-size: 12px; color: var(--muted); }

.pager b { font-size: 16px; }

.pager-prev { align-items: flex-start; }

.pager-next { align-items: flex-end; text-align: right; }

.pager-all { align-items: center; padding: 8px 16px; border-radius: 4px; background: var(--paper-2); font-size: 13.5px; font-weight: 600; }

.pager a:hover b, .pager-all:hover { color: var(--orange); }

@media (min-width: 900px) { .pager b { font-size: 18px; } }
/* =====================================================================
   AI 系统清单页
   ===================================================================== */
.cover h1 em.hl, .page-list .cover h1 em { font-style: normal; color: var(--orange-2); }
/* 行业现场的一句原话：引号做成装饰字，不压在正文上 */
.cover-quote { position: relative; margin: 16px 0 0; padding-left: 30px; font-size: 16px; line-height: 1.6; color: #fff; font-weight: 600; max-width: 720px; }
.cover-quote::before { content: "“"; position: absolute; left: 0; top: -.18em; font-family: Georgia, "Times New Roman", serif; font-size: 2.4em; line-height: 1; color: var(--orange); }
.cover-quote + .cover-sub { margin-top: 12px; }
.cover-boundary { margin-top: 16px; padding: 12px 16px; border-radius: var(--radius); background: rgba(192,57,43,.24); font-size: 13.5px; color: #fff; max-width: 720px; }
/* 六个成效数字：手机两列，平板起三列 */
.cover-kpis-6 { grid-template-columns: repeat(2, 1fr); }
.cover-kpis-6 li { display: block; padding: 10px 12px 10px 0; }
.cover-kpis-6 li:nth-child(even) { padding-left: 14px; }
.cover-kpis-6 b { font-size: 18px; white-space: normal; word-break: keep-all; overflow-wrap: anywhere; }
.cover-kpis-6 span { margin-top: 4px; }
@media (min-width: 640px) {
  .cover-kpis-6 { grid-template-columns: repeat(3, 1fr); }
  .cover-kpis-6 li, .cover-kpis-6 li + li, .cover-kpis-6 li:nth-child(even) { padding: 14px 14px 4px; }
  .cover-kpis-6 li:nth-child(3n+1) { padding-left: 0; }
}
@media (min-width: 900px) {
  .cover-kpis-6 { max-width: 860px; }
  .cover-kpis-6 b { font-size: 24px; }
}

/* 清单检索（只在有 JS 时出现） */
.sys-search-sec { display: none; padding: 32px 0; }
.js .sys-search-sec { display: block; }
.sys-search { max-width: 860px; }
.sys-search-label { display: block; margin-bottom: 10px; font-size: 18px; font-weight: 700; color: var(--ink); }
.sys-search-box { display: flex; align-items: center; gap: 10px; padding: 0 16px; background: #fff; border: 1.5px solid transparent; border-radius: var(--radius-lg); color: var(--muted); }
.sys-search-box:focus-within { border-color: var(--orange); box-shadow: 0 0 0 3px var(--orange-soft); }
.sys-search-box input { flex: 1; min-width: 0; height: 50px; border: 0; outline: 0; background: none; font: inherit; font-size: 16px; color: var(--ink); }
.sys-search-status { margin-top: 10px; font-size: 13.5px; color: var(--muted); min-height: 1.4em; }
.sys-search-results { display: grid; gap: 6px; margin-top: 6px; }
.sys-search-results a { display: grid; gap: 2px; padding: 12px 16px; background: #fff; border: 1px solid transparent; border-radius: var(--radius); }
.sys-search-results a:hover, .sys-search-results a:focus-visible { border-color: var(--orange); }
.sys-search-results b { font-size: 15px; color: var(--ink); line-height: 1.45; }
.sys-search-results small { font-size: 12.5px; color: var(--ink-2); }
.ssr-meta { font-size: 12px; color: var(--orange); font-weight: 700; letter-spacing: .04em; }
@media (min-width: 900px) { .sys-search-sec { padding: 44px 0; } .sys-search-results { grid-template-columns: 1fr 1fr; } }
/* 从检索结果跳到 #sys-xx 时给目标卡片一个提示 */
.sys-card:target { border-color: var(--orange); box-shadow: 0 0 0 3px var(--orange-soft); }

.sys-chapter { padding: 48px 0 12px; background: var(--light); }
.sys-chapter:nth-of-type(even) { background: var(--paper); }
.sys-chapter:last-of-type { padding-bottom: 56px; }
.sys-chapter-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; align-items: start; margin-bottom: 24px; max-width: 900px; }
.sys-chapter-no { font-family: var(--font-num); font-size: 44px; line-height: 1; font-weight: 600; color: var(--orange); opacity: .9; }
.sys-chapter-head h2 { font-size: clamp(21px, 3.6vw, 30px); }
.sys-chapter-head .section-sub { margin-top: 10px; font-size: 15px; }

.sys-grid { display: grid; gap: 20px; padding-bottom: 36px; }
.sys-card { display: flex; flex-direction: column; background: #fff; border: 1px solid transparent; border-radius: var(--radius-lg); overflow: hidden; }
.sys-media { aspect-ratio: 16 / 9; background: var(--paper-2); overflow: hidden; }
.sys-media img { width: 100%; height: 100%; object-fit: cover; }
.sys-body { display: flex; flex-direction: column; gap: 12px; padding: 20px 20px 22px; }
.sys-head { display: flex; align-items: baseline; gap: 10px; }
.sys-no { flex: none; font-family: var(--font-num); font-size: 15px; font-weight: 700; line-height: 1.4; color: var(--orange); }
.sys-head h3 { font-size: 17px; line-height: 1.4; }
.sys-depts { display: flex; flex-wrap: wrap; gap: 4px; }
.sys-depts span { padding: 1px 8px; border-radius: 3px; background: var(--paper); font-size: 12px; color: var(--ink-2); }
.sys-pain { font-size: 14px; color: var(--muted); }
.sys-pain b, .sys-note b { display: inline-block; margin-right: 8px; padding: 0 6px; border-radius: 4px; font-size: 11.5px; letter-spacing: .06em; vertical-align: 1px; }
.sys-pain b { background: var(--paper-2); color: var(--ink-2); }
.sys-gains, .sys-points { display: grid; gap: 7px; }
.sys-gains li { position: relative; padding-left: 16px; font-size: 14.5px; color: var(--ink); }
.sys-gains li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.sys-points li { display: grid; gap: 2px; padding: 12px 14px; border-radius: var(--radius); background: var(--light); }
.sys-points b { font-size: 14.5px; color: var(--ink); line-height: 1.45; overflow-wrap: anywhere; }
.sys-points span { font-size: 13.5px; color: var(--ink-2); }
.sys-points small { font-size: 12.5px; color: var(--muted); }
.sys-points small i { font-style: normal; margin-right: 6px; color: var(--red); font-weight: 700; }
.sys-note { margin-top: auto; padding: 10px 12px; border-radius: var(--radius); background: rgba(192,57,43,.07); font-size: 13px; color: var(--ink-2); }
.sys-note b { background: var(--red); color: #fff; }
@media (min-width: 640px) { .sys-grid-media { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .sys-chapter { padding-top: 72px; }
  .sys-chapter-no { font-size: 64px; }
  .sys-grid { gap: 24px; padding-bottom: 48px; }
  .sys-grid-text { grid-template-columns: repeat(2, 1fr); }
  .sys-body { padding: 24px 24px 26px; }
  .sys-head h3 { font-size: 18px; }
}
@media (min-width: 1200px) { .sys-grid-media { grid-template-columns: repeat(3, 1fr); } }
/* =====================================================================
   方案下载页：文档目录。每个分组一张白底表（无外框），桌面有列头，
   各列固定宽度，所有分组的列上下对齐；行间只有一条浅发丝线
   ===================================================================== */
.cover-dl .cover-body { max-width: 900px; }
.cover-dl h1 { margin-top: 14px; }
@media (min-width: 900px) { .cover-dl .cover-body { padding-left: 28px; border-left: 2px solid var(--orange); } }

.dl-group { margin-top: 56px; }
.dl-group:first-child { margin-top: 0; }
.dl-table { background: #fff; border-radius: var(--radius-lg); padding: 0 16px; }
.dl-cols { display: none; }
.dl-item { display: grid; grid-template-columns: 88px minmax(0, 1fr); grid-template-areas: "thumb body" "spec spec" "act act"; gap: 14px 14px; padding: 18px 0; }
.dl-item + .dl-item { border-top: 1px solid var(--hair); }
.dl-thumb { grid-area: thumb; position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 4px; overflow: hidden; background: var(--navy-3); align-self: start; }
.dl-thumb img { width: 100%; height: 100%; object-fit: cover; }
.dl-thumb .card-placeholder b { font-size: 28px; }
.dl-body { grid-area: body; min-width: 0; }
.dl-body h3 { margin-top: 4px; font-size: 15.5px; line-height: 1.45; word-break: normal; }
.dl-body h3 .nw { white-space: nowrap; }
.dl-body h3 a:hover { color: var(--orange); }
.dl-meta { margin-top: 4px; font-family: var(--font); font-size: 12.5px; line-height: 1.6; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 规格读数：窄屏为一行紧凑读数（标签 + 数值同行），桌面拆成三列、标签交给列头 */
.dl-spec { grid-area: spec; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.dl-spec > div { display: flex; align-items: baseline; gap: 6px; }
.dl-spec dt { font-size: 12px; letter-spacing: .04em; color: var(--muted); }
.dl-spec dd { font-family: var(--font-num); font-size: 14px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.dl-spec .dl-state { font-family: var(--font); font-size: 13px; font-weight: 600; color: #b35f12; }
.dl-actions { grid-area: act; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
.dl-actions .btn { min-height: 40px; padding: 8px 18px; font-size: 14px; border-radius: 4px; box-shadow: none; }
.dl-alts { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.dl-alt { font-weight: 600; color: var(--ink-2); }
.dl-alt + .dl-alt::before { content: ""; display: inline-block; width: 3px; height: 3px; margin: 0 10px 0 0; border-radius: 50%; background: var(--muted); vertical-align: middle; opacity: .6; }
.dl-alt:hover { color: var(--orange); }
.dl-wip .dl-thumb img { filter: saturate(.4); opacity: .8; }

/* 页尾说明：两段文字，浅色底块，不画线 */
.dl-note { display: grid; gap: 16px; margin-top: 56px; font-size: 14px; }
.dl-note > div { padding: 22px 24px; background: var(--paper-2); border-radius: var(--radius-lg); color: var(--ink-2); }
.dl-note h3 { font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.dl-note p + p { margin-top: 10px; }
.dl-note a { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }

@media (min-width: 640px) {
  .dl-table { padding: 0 24px; }
  .dl-item { grid-template-columns: 136px minmax(0, 1fr); grid-template-areas: "thumb body" "thumb spec" "thumb act"; column-gap: 20px; padding: 20px 0; }
  .dl-thumb { aspect-ratio: 16 / 10; }
}
@media (min-width: 900px) {
  /* 一套列宽，列头与每一行共用：缩略图 | 文档 | 场景 | 页数 | 大小 | 获取 */
  .dl-table { --dl-grid: 120px minmax(0, 1fr) 64px 64px 80px 150px; padding: 0 32px; }
  .dl-cols { display: grid; grid-template-columns: var(--dl-grid); column-gap: 24px; padding: 18px 0 12px; border-bottom: 1px solid var(--hair); font-size: 12px; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
  .dl-cols span:first-child { grid-column: 1 / 3; }
  .dl-cols span:last-child { text-align: center; }
  .dl-item { grid-template-columns: var(--dl-grid); grid-template-areas: none; column-gap: 24px; align-items: center; padding: 20px 0; }
  .dl-item + .dl-item { border-top: 1px solid var(--hair); }
  .dl-thumb { grid-area: auto; grid-column: 1; grid-row: 1; }
  .dl-body { grid-area: auto; grid-column: 2; grid-row: 1; }
  .dl-body h3 { font-size: 16.5px; }
  .dl-spec { display: contents; }
  .dl-spec > div { grid-row: 1; grid-column: 3; }
  .dl-spec > div:nth-child(2) { grid-column: 4; }
  .dl-spec > div:nth-child(3) { grid-column: 5; }
  .dl-spec dt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .dl-spec dd { margin-top: 0; font-size: 17px; }
  .dl-spec > .dl-span { grid-column: 4 / 6; }
  .dl-actions { grid-area: auto; grid-column: 6; grid-row: 1; flex-direction: column; align-items: stretch; gap: 8px; }
  .dl-actions .btn { width: 100%; }
  /* 在线阅读 / PPTX / 详版：列宽只有 150px，改成一行一个，不折行 */
  .dl-alts { flex-direction: column; align-items: center; gap: 4px; }
  .dl-alt { white-space: nowrap; }
  .dl-alt + .dl-alt::before { content: none; }
  .dl-note { grid-template-columns: 1.6fr 1fr; gap: 20px; }
  .dl-note > div { padding: 26px 30px; }
}
/* =====================================================================
   AI 培训页：与全站同一套规则 —— 块靠留白分隔、列表只有行间发丝线、编号是唯一的强调
   ===================================================================== */

/* 培训定位：三个白色块 */
.tr-why { display: grid; gap: 16px; }
.tr-why-item { padding: 26px 24px 28px; background: #fff; border-radius: var(--radius-lg); }
.tr-why-no { display: block; margin-bottom: 16px; font-family: var(--font-num); font-size: 30px; line-height: 1; font-weight: 600; color: var(--orange); }
.tr-why-item h3 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.tr-why-item p { font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
@media (min-width: 900px) { .tr-why { grid-template-columns: repeat(3, 1fr); gap: 20px; } .tr-why-item { padding: 30px 28px 32px; } }

/* 培训对象：图 + 正文 + 底部两项读数 */
.tr-aud { display: grid; gap: 20px; }
.tr-aud-card { display: flex; flex-direction: column; background: #fff; border-radius: var(--radius-lg); overflow: hidden; }
.tr-aud-fig { aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy-3); }
.tr-aud-fig img { width: 100%; height: 100%; object-fit: cover; }
.tr-aud-body { flex: 1; padding: 22px 22px 6px; }
.tr-aud-body h3 { font-size: 19px; }
.tr-aud-who { margin-top: 4px; font-size: 13px; color: var(--muted); }
.tr-aud-goal { margin-top: 12px; font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.tr-aud-points { margin-top: 14px; display: grid; gap: 6px; }
.tr-aud-points li { position: relative; padding-left: 14px; font-size: 14px; color: var(--ink); }
.tr-aud-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.tr-aud-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 22px 0; padding: 14px 0 20px; border-top: 1px solid var(--hair); }
.tr-aud-meta dt { font-size: 12px; letter-spacing: .06em; color: var(--muted); }
.tr-aud-meta dd { margin-top: 2px; font-size: 14px; font-weight: 600; color: var(--ink); }
@media (min-width: 640px) { .tr-aud { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .tr-aud { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; } }

/* 行业专题：每个专题一个白色块 —— 左侧图 + 说明，右侧模块清单（行间发丝线）+ 产出与边界 */
.tr-sectors { display: grid; gap: 20px; }
.tr-sector { display: grid; background: #fff; border-radius: var(--radius-lg); overflow: hidden; scroll-margin-top: calc(var(--nav-h) + 72px); }
.tr-sector-head { padding: 0 22px 20px; }
.tr-sector-fig { margin: 0 -22px 20px; aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy-3); }
.tr-sector-fig img { width: 100%; height: 100%; object-fit: cover; }
.tr-sector-no { font-family: var(--font-num); font-size: 13px; letter-spacing: .14em; font-weight: 700; color: var(--orange); }
.tr-sector-head h3 { margin-top: 4px; font-size: 20px; line-height: 1.4; }
.tr-sector-who { margin-top: 6px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.tr-sector-goal { margin-top: 12px; font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.tr-sector-meta { display: grid; gap: 10px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--hair); }
.tr-sector-meta dt { font-size: 12px; letter-spacing: .06em; color: var(--muted); }
.tr-sector-meta dd { margin-top: 2px; font-size: 14px; font-weight: 600; color: var(--ink); }
.tr-sector-body { padding: 0 22px 22px; }
.tr-mods li { display: grid; grid-template-columns: 2.2em minmax(0, 1fr) auto; grid-template-areas: "no name h" "no aud aud"; gap: 2px 10px; padding: 12px 0; }
.tr-mods li + li { border-top: 1px solid var(--hair); }
.tr-mod-no { grid-area: no; font-family: var(--font-num); font-size: 12px; letter-spacing: .1em; font-weight: 600; color: var(--muted); padding-top: 2px; }
.tr-mod-name { grid-area: name; font-size: 14.5px; line-height: 1.55; font-weight: 600; color: var(--ink); }
.tr-mod-aud { grid-area: aud; font-size: 13px; color: var(--muted); }
.tr-mod-h { grid-area: h; font-family: var(--font-num); font-size: 13.5px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.tr-sector-foot { display: grid; gap: 12px; margin-top: 14px; }
.tr-sector-foot > div { padding: 16px 18px; background: var(--light); border-radius: var(--radius); }
.tr-sector-k { font-size: 12px; letter-spacing: .06em; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.tr-sector-foot p:not(.tr-sector-k) { font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.tr-sector-links { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin-top: 16px; font-size: 13.5px; }
.tr-sector-links span { font-size: 12px; letter-spacing: .06em; color: var(--muted); }
.tr-sector-links a { font-weight: 600; color: var(--ink-2); text-decoration: underline; text-decoration-color: var(--hair); text-underline-offset: 4px; }
.tr-sector-links a:hover { color: var(--orange); text-decoration-color: currentColor; }
@media (min-width: 900px) {
  .tr-sector { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
  .tr-sector-head { padding: 0 0 28px 28px; }
  .tr-sector-fig { margin: 0 0 20px -28px; }
  .tr-sector-meta { grid-template-columns: auto 1fr; gap: 24px; }
  .tr-sector-body { padding: 18px 32px 28px 36px; }
  .tr-mods li { grid-template-columns: 2.2em minmax(0, 1fr) 11em 4.5em; grid-template-areas: "no name aud h"; align-items: baseline; gap: 12px; }
  .tr-mod-h { text-align: right; }
  .tr-sector-foot { grid-template-columns: 1fr 1fr; }
}

/* 课程体系：每个层级一段 —— 左侧层级说明，右侧白底课程表 */
.tr-levels { display: grid; gap: 40px; }
.tr-level-head { margin-bottom: 14px; }
.tr-level-no { font-family: var(--font-num); font-size: 13px; letter-spacing: .14em; font-weight: 700; color: var(--orange); }
.tr-level-head h3 { margin-top: 4px; font-size: 20px; }
.tr-level-head p { margin-top: 4px; font-size: 14px; color: var(--ink-2); }
.tr-level-count { display: block; margin-top: 8px; font-family: var(--font-num); font-size: 12.5px; letter-spacing: .06em; color: var(--muted); }
.tr-courses td.tr-hours { font-family: var(--font-num); font-weight: 600; color: var(--ink); }
@media (min-width: 900px) {
  .tr-level { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
  .tr-level-head { position: sticky; top: calc(var(--nav-h) + 76px); margin: 0; padding-top: 14px; }
  /* 固定列宽：四个层级的课程表列上下对齐 */
  .tr-courses { table-layout: fixed; }
  .tr-courses thead th:nth-child(1) { width: 32%; }
  .tr-courses thead th:nth-child(3) { width: 17%; }
  .tr-courses thead th:nth-child(4) { width: 72px; }
  .tr-courses tbody th { min-width: 0; }
  .tr-courses td.tr-hours, .tr-courses thead th:last-child { text-align: right; white-space: nowrap; }
  .tr-courses td:nth-child(3) { color: var(--muted); }
}

/* 方案与价格：四个标准方案 + 一条深色年度计划 */
.tr-packs { display: grid; gap: 16px; }
.tr-pack { display: flex; flex-direction: column; padding: 24px 22px 24px; background: #fff; border-radius: var(--radius-lg); }
.tr-pack h3 { font-size: 17px; }
.tr-price { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 6px; }
.tr-price b { font-family: var(--font-num); font-size: 26px; line-height: 1.15; font-weight: 600; color: var(--orange); white-space: nowrap; }
.tr-price span { font-size: 13px; color: var(--muted); }
.tr-pack-spec { margin-top: 16px; display: grid; gap: 6px; padding-bottom: 16px; border-bottom: 1px solid var(--hair); }
.tr-pack-spec div { display: grid; grid-template-columns: 3em minmax(0, 1fr); gap: 8px; font-size: 13.5px; }
.tr-pack-spec dt { color: var(--muted); }
.tr-pack-spec dd { color: var(--ink); }
.tr-pack-items { margin-top: 14px; display: grid; gap: 7px; }
.tr-pack-items li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.tr-pack-items li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 9px; height: 5px; border-left: 2px solid var(--orange); border-bottom: 2px solid var(--orange); transform: rotate(-45deg); }
.tr-pack-wide { display: grid; gap: 18px; margin-top: 16px; padding: 26px 24px; background: var(--navy); color: var(--on-dark); border-radius: var(--radius-lg); }
.tr-pack-wide h3 { font-size: 19px; color: #fff; }
.tr-pack-wide .tr-price b { color: var(--orange-2); font-size: 30px; }
.tr-pack-wide .tr-price span { color: var(--on-dark-muted); }
.tr-pack-wide-fit { margin-top: 8px; font-size: 13.5px; color: var(--on-dark-muted); }
.tr-pack-wide .tr-pack-items { margin-top: 0; }
.tr-pack-wide .tr-pack-items li { color: var(--on-dark); }
.tr-pack-wide .btn { justify-self: start; }
.tr-notes { margin-top: 24px; display: grid; gap: 6px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.tr-notes li { position: relative; padding-left: 14px; }
.tr-notes li::before { content: "·"; position: absolute; left: 2px; }
@media (min-width: 640px) { .tr-packs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) {
  .tr-packs { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
  .tr-price b { font-size: 24px; }
  .tr-pack-wide { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) auto; align-items: center; gap: 40px; padding: 32px 36px; margin-top: 20px; }
  .tr-pack-wide .tr-pack-items { grid-template-columns: 1fr 1fr; gap: 8px 24px; }
}

/* 实施流程：五步，顶部细基线，与首页“实施路径”同一语言 */
.tr-steps { display: grid; gap: 24px; }
.tr-step { padding-top: 18px; border-top: 2px solid var(--ink); }
.tr-step:first-child { border-top-color: var(--orange); }
.tr-step-no { font-family: var(--font-num); font-size: 12px; letter-spacing: .16em; font-weight: 700; color: var(--orange); }
.tr-step h3 { margin-top: 6px; font-size: 17px; }
.tr-step p { margin-top: 6px; font-size: 14px; line-height: 1.75; color: var(--ink-2); }
@media (min-width: 640px) { .tr-steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .tr-steps { grid-template-columns: repeat(5, 1fr); gap: 24px; } }
/* =====================================================================
   AI 咨询页：复用培训页的块、卡片与价格组件，这里只补咨询特有的部分
   ===================================================================== */
.page-consulting .tr-aud-meta { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }

/* 工作方法：每步末尾的产出 */
.cs-step-out { display: flex; gap: 8px; margin-top: 10px !important; font-size: 13px !important; color: var(--ink) !important; font-weight: 600; }
.cs-step-out span { flex: none; font-weight: 500; color: #b35f12; }

/* 收费模式：四个白色块，顶部编号 + 名称，下方三行规格 */
.cs-fees { display: grid; gap: 16px; }
.cs-fee { padding: 24px 22px 22px; background: #fff; border-radius: var(--radius-lg); }
.cs-fee-head { padding-bottom: 14px; border-bottom: 1px solid var(--hair); }
.cs-fee-no { display: block; font-family: var(--font-num); font-size: 26px; line-height: 1; font-weight: 600; color: var(--orange); }
.cs-fee-head h3 { margin-top: 12px; font-size: 18px; }
.cs-fee-spec { display: grid; gap: 10px; margin-top: 14px; }
.cs-fee-spec div { display: grid; grid-template-columns: 3em minmax(0, 1fr); gap: 8px; font-size: 14px; line-height: 1.7; }
.cs-fee-spec dt { color: var(--muted); font-size: 13px; }
.cs-fee-spec dd { color: var(--ink-2); }
@media (min-width: 640px) { .cs-fees { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
@media (min-width: 1100px) { .cs-fees { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* 人天费率 */
.cs-rates { margin-top: 48px; }
.cs-sub-title { font-size: clamp(20px, 3.2vw, 24px); font-weight: 800; }
.cs-sub-desc { margin: 8px 0 16px; font-size: 14.5px; color: var(--ink-2); }
.cs-rate-tbl td.cs-rate { font-family: var(--font-num); font-weight: 600; color: var(--orange); white-space: nowrap; }
@media (min-width: 900px) {
  .cs-rate-tbl { table-layout: fixed; }
  .cs-rate-tbl thead th:nth-child(1) { width: 24%; }
  .cs-rate-tbl thead th:nth-child(3) { width: 22%; }
  .cs-rate-tbl tbody th { min-width: 0; }
  .cs-rate-tbl td.cs-rate, .cs-rate-tbl thead th:nth-child(3) { text-align: right; }
}

/* 解决的问题：每类一个白色块 —— 标题、现象（圆点列表）、我们怎么做（浅底） */
.cs-probs { display: grid; gap: 16px; }
.cs-prob { display: flex; flex-direction: column; padding: 22px 22px 20px; background: #fff; border-radius: var(--radius-lg); }
.cs-prob h3 { font-size: 18px; }
.cs-prob-signs { margin-top: 12px; display: grid; gap: 6px; }
.cs-prob-signs li { position: relative; padding-left: 14px; font-size: 14px; line-height: 1.6; color: var(--ink-2); }
.cs-prob-signs li::before { content: ""; position: absolute; left: 0; top: .66em; width: 5px; height: 5px; border-radius: 50%; background: var(--muted); opacity: .7; }
.cs-prob-ans { margin-top: auto; padding-top: 14px; font-size: 14px; line-height: 1.7; color: var(--ink); }
.cs-prob-ans { border-top: 1px solid var(--hair); }
.cs-prob-signs { flex: 1; padding-bottom: 16px; }
.cs-prob-ans span { display: block; margin-bottom: 4px; font-size: 12px; letter-spacing: .06em; font-weight: 600; color: #b35f12; }
@media (min-width: 640px) { .cs-probs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
@media (min-width: 1100px) { .cs-probs { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* 服务内容：按类分组，组头沿用首页行业分组的样式 */
.cs-group + .cs-group { margin-top: 48px; }
.cs-group .group-head p, .cs-group .group-count { color: var(--muted); }
.cs-group .tr-aud-body h4 { font-size: 19px; }

/* 服务对象表 */
.cs-clients tbody th small { display: block; margin-top: 3px; font-size: 12.5px; font-weight: 400; color: var(--muted); }
.cs-clients td.cs-start { color: #b35f12; font-weight: 600; }
@media (min-width: 900px) {
  .cs-clients { table-layout: fixed; }
  .cs-clients thead th:nth-child(1) { width: 30%; }
  .cs-clients thead th:nth-child(3) { width: 24%; }
  .cs-clients tbody th { min-width: 0; }
}

/* 带来的改变：咨询前（灰）→ 咨询后（深色字）+ 衡量指标 */
.cs-results { display: grid; gap: 16px; }
.cs-result { display: flex; flex-direction: column; padding: 22px 22px 20px; background: #fff; border-radius: var(--radius-lg); }
.cs-result h3 { font-size: 18px; }
.cs-result dl { display: grid; gap: 12px; margin-top: 12px; }
.cs-result dt { font-size: 12px; letter-spacing: .06em; font-weight: 600; color: var(--muted); }
.cs-result dd { margin-top: 3px; font-size: 14px; line-height: 1.7; }
.cs-before dd { color: var(--muted); }
.cs-after dt { color: #b35f12; }
.cs-after dd { color: var(--ink); font-weight: 600; }
.cs-measure { margin-top: auto; padding-top: 14px; font-size: 13px; color: var(--ink-2); }
.cs-result dl + .cs-measure { margin-top: 16px; border-top: 1px solid var(--hair); }
.cs-measure span { margin-right: 8px; font-size: 12px; color: var(--muted); }
@media (min-width: 640px) { .cs-results { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
@media (min-width: 1100px) { .cs-results { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* 工作流程下的三条特点 */
.cs-why { margin-top: 48px; }

/* 标准产品六张：桌面三列 */
@media (min-width: 1100px) { .cs-packs { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
/* =====================================================================
   大屏（≥1500px）：加宽版心、放大正文，避免内容显得单薄
   ===================================================================== */
@media (min-width: 1500px) {
  :root { --wrap: 1360px; --gutter: 48px; }
  body { font-size: 17px; }
  .section-sub, .lede { font-size: 18.5px; }
  .section-head, .section-head-left { max-width: 860px; }
  .cover-x .cover-inner > h1 { max-width: 1100px; }
  .cover-x h1 { font-size: 72px; }
  .cover-sub { font-size: 19px; max-width: 820px; }
  .cover-kpis { max-width: 820px; }
  .cover-kpis b { font-size: 36px; }
  .cover-kpis span { font-size: 14px; }
  .subnav-inner a { font-size: 15px; padding: 16px 14px; }
  .impact-head h2 { font-size: 36px; }
  .impact-after { font-size: 34px; }
  .map-list a { font-size: 13.5px; }
  .scene-head h3 { font-size: 24px; }
  .scene-headline { font-size: 19px; }
  .pain li, .how li, .case li, .panel li { font-size: 15.5px; }
  .kpi b { font-size: 34px; }
  .kpi span { font-size: 13px; }
  .chapter-copy h2 { font-size: 42px; }
  .tbl { font-size: 15px; }
  .hero h1 { font-size: 104px; }
  .lede { font-size: 19.5px; max-width: 680px; }
  .hero-facts b { font-size: 52px; }
  .card-title { font-size: 23px; }
  .card-blurb { font-size: 15px; }
}

/* =====================================================================
   打印：去导航与吸底条
   ===================================================================== */
@media print {
  .nav, .subnav, .sticky-dl, .pager, .footer, .hero-grain { display: none !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  body { background: #fff; }
}