/* ============================================================
   坤元数通 / Kunyst — SaaS Marketing Website Stylesheet
   DESIGN TOKENS (keep EXACTLY as-is)
   ============================================================ */
:root {
  --ink: rgb(7, 21, 40);
  --ink-60: rgba(7, 21, 40, 0.60);
  --ink-40: rgba(7, 21, 40, 0.40);
  --brand: rgb(22, 119, 255);
  --brand-deep: rgb(14, 92, 180);
  --brand-light: rgba(22, 119, 255, 0.10);
  --navy: #0a1a33;
  --navy-2: #0d2340;
  --white-80: rgba(255, 255, 255, 0.80);
  --white-60: rgba(255, 255, 255, 0.60);
  --white-40: rgba(255, 255, 255, 0.40);
  --border: rgba(7, 21, 40, 0.08);
  --border-strong: rgba(7, 21, 40, 0.14);
  --bg-page: #ffffff;
  --bg-section: #f7f9fc;
  --grad-panel: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  --grad-hero: linear-gradient(135deg, #0a1a33 0%, #0d2340 45%, #123a6b 75%, #1677ff 120%);
  --grad-brand: linear-gradient(135deg, #1677ff 0%, #2f8bff 100%);
  --sh-1: 0 1px 3px rgba(7, 21, 40, 0.06), 0 1px 2px rgba(7, 21, 40, 0.04);
  --sh-2: 0 8px 30px rgba(22, 119, 255, 0.12), 0 2px 8px rgba(7, 21, 40, 0.06);
  --sh-3: 0 24px 60px rgba(7, 21, 40, 0.18), 0 8px 24px rgba(22, 119, 255, 0.10);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --fs-display: clamp(2.4rem, 5vw, 3.6rem);
  --fs-h1: clamp(2rem, 4vw, 2.75rem);
  --fs-h2: clamp(1.55rem, 3.2vw, 2rem);
  --fs-h3: 1.25rem;
  --fs-lead: clamp(1.05rem, 1.8vw, 1.2rem);
  --sans: -apple-system, system-ui, "SF Pro Text", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, sans-serif;
  --w: min(1200px, calc(100vw - 48px));
  --header-h: 64px;
  --space-section: clamp(80px, 11vw, 140px);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  background: radial-gradient(circle at 12% 0%, rgba(22, 119, 255, 0.06), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 48%, #ffffff 100%);
}
::selection { background: rgba(22, 119, 255, 0.18); }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

/* ============================================================
   LAYOUT CONTAINERS
   ============================================================ */
.container, .wrap {
  width: var(--w);
  margin-inline: auto;
}

.header-inner {
  width: var(--w); height: 100%; margin-inline: auto;
  display: flex; align-items: center; gap: 32px;
}

/* ============================================================
   HEADER — fixed transparent -> white on scroll
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .25s, box-shadow .25s, border-color .25s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  box-shadow: var(--sh-1);
}

.logo, .wordmark {
  font-weight: 900; font-size: 1.45rem; letter-spacing: -0.03em;
  color: var(--ink); text-decoration: none; flex-shrink: 0; transition: color .2s;
}
.logo i, .wordmark i { font-style: normal; color: var(--brand-deep); }
.site-header:not(.scrolled) .logo,
.site-header:not(.scrolled) .wordmark { color: #fff; }
.site-header:not(.scrolled) .logo i,
.site-header:not(.scrolled) .wordmark i { color: rgba(255,255,255,.82); }
.site-header.scrolled .logo,
.site-header.scrolled .wordmark { color: var(--ink); }

/* Nav container */
.main-nav, .site-nav {
  display: flex; gap: 28px; margin-left: auto; align-items: center;
}
.main-nav ul, .site-nav > ul {
  display: flex; gap: 20px; list-style: none; align-items: center;
}
.nav-item { position: relative; }

/* Nav links — base style + color states per header state */
.main-nav a, .site-nav > a, .nav-item > a {
  position: relative; font-size: .9rem;
  text-decoration: none; transition: color .15s;
}
.nav-item > a { display: inline-flex; align-items: center; gap: 4px; }

/* Un-scrolled header: white nav links */
.site-header:not(.scrolled) .main-nav a,
.site-header:not(.scrolled) .site-nav > a,
.site-header:not(.scrolled) .nav-item > a { color: var(--white-80); }
.site-header:not(.scrolled) .main-nav a:hover,
.site-header:not(.scrolled) .site-nav > a:hover,
.site-header:not(.scrolled) .nav-item:hover > a { color: #fff; font-weight: 600; }

/* Scrolled header: dark nav links */
.site-header.scrolled .main-nav a,
.site-header.scrolled .site-nav > a,
.site-header.scrolled .nav-item > a { color: var(--ink-60); }
.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .site-nav > a:hover,
.site-header.scrolled .nav-item > a:hover { color: var(--ink); }

/* Underline on hover */
.main-nav > ul > li > a::after,
.site-nav > a::after,
.nav-item > a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 2px; background: var(--brand); transition: width .2s;
}
.main-nav > ul > li > a:hover::after,
.site-nav > a:hover::after,
.nav-item:hover > a::after { width: 100%; }

.active { color: var(--brand) !important; font-weight: 700; }

.caret { font-size: .65rem; opacity: .5; transition: transform .2s; }
.nav-item:hover > a .caret { transform: rotate(180deg); }

/* Dropdown menu */
.nav-dropdown {
  position: absolute; top: calc(100% + 12px); left: -20px; min-width: 280px;
  background: rgba(10, 26, 51, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,.35), 0 4px 12px rgba(0,0,0,.2);
  padding: 8px; gap: 4px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s cubic-bezier(.16, 1, .3, 1);
  z-index: 100;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.nav-dropdown::before {
  content: ""; position: absolute; top: -6px; left: 44px;
  width: 14px; height: 14px;
  background: rgba(10, 26, 51, 0.92);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transform: rotate(45deg); border-radius: 2px; z-index: 1;
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.nav-dropdown a {
  display: flex; flex-direction: column; gap: 3px;
  padding: 14px 18px; border-radius: 12px;
  font-size: .92rem; color: #fff !important; text-decoration: none;
  transition: all .18s ease; font-weight: 600; background: transparent;
  position: relative; overflow: hidden;
}
.nav-dropdown a:last-child { margin-bottom: 0; }
.nav-dropdown a::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--brand); border-radius: 0 2px 2px 0;
  transform: scaleY(0); transition: transform .2s ease; transform-origin: top;
}
.nav-dropdown a:hover {
  background: rgba(22, 119, 255, 0.15); transform: translateX(2px);
}
.nav-dropdown a:hover::before { transform: scaleY(1); }
.nav-dropdown a span {
  font-size: .79rem; color: rgba(255,255,255,.55) !important;
  font-weight: 400; letter-spacing: .01em; line-height: 1.45;
}
.nav-dropdown a:hover span { color: rgba(255,255,255,.7) !important; }

/* Nav CTA button */
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 34px; padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: .84rem; font-weight: 700; cursor: pointer;
  border: none; text-decoration: none;
  transition: transform .18s, box-shadow .18s, background .18s;
}
.site-header:not(.scrolled) .nav-cta {
  background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 52%), var(--grad-brand);
  color: #fff !important; box-shadow: 0 8px 18px rgba(22,119,255,.18);
}
.site-header:not(.scrolled) .nav-cta:hover {
  transform: translateY(-1px); box-shadow: 0 14px 38px rgba(22,119,255,.22);
}
.site-header.scrolled .nav-cta {
  background: var(--grad-brand); color: #fff !important; box-shadow: var(--sh-2);
}
.site-header.scrolled .nav-cta:hover {
  transform: translateY(-1px); box-shadow: 0 14px 38px rgba(22,119,255,.22);
}

/* Mobile toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary, .btn--primary, .btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 10px 20px; border-radius: var(--radius-pill);
  font-size: .9rem; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s, background .18s;
  border: none;
}
.btn-primary, .btn--primary {
  background: var(--grad-brand); color: #fff; box-shadow: var(--sh-2);
}
.btn-primary:hover, .btn--primary:hover {
  transform: translateY(-1px); box-shadow: 0 14px 38px rgba(22,119,255,.22);
}
/* Primary btn inside header gets glass treatment when not scrolled */
.header-inner > .btn-primary {
  min-height: 36px; padding: 8px 16px; font-size: .84rem;
  background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 52%), var(--grad-brand);
  box-shadow: 0 8px 18px rgba(22,119,255,.18);
}
.site-header.scrolled .header-inner > .btn-primary { background: var(--grad-brand); }

.btn-lg, .btn--lg { min-height: 48px; padding-inline: 30px; font-size: .96rem; }
.btn--lg { min-height: 46px; padding: 12px 28px; }
.btn--block { width: 100%; }

.btn-secondary {
  background: rgba(255, 255, 255, 0.92); color: var(--ink);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { border-color: var(--brand); color: var(--brand-deep); transform: translateY(-1px); }
.btn-secondary.btn-ghost-light {
  color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06);
}
.btn-secondary.btn-ghost-light:hover { background: rgba(255,255,255,.12); color: #fff; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .9rem; font-weight: 700; color: var(--brand); text-decoration: none;
}
.link-arrow::after { content: "\2192"; transition: transform .15s; }
.link-arrow:hover::after { transform: translateX(3px); }

/* ============================================================
   SECTION SYSTEM
   ============================================================ */
.section { padding-block: var(--space-section); }
.section--alt { background: var(--bg-section); }
.section-head {
  margin-bottom: clamp(44px, 6vw, 68px);
  max-width: 960px; margin-inline: auto; text-align: center;
}
.section-head h2, .section-head--center h2 {
  font-size: var(--fs-h2); font-weight: 650; letter-spacing: .01em;
  line-height: 1.4; margin-bottom: 20px; color: var(--ink);
}
.section-head p, .section-head__desc {
  color: var(--ink-60); font-size: var(--fs-lead);
  line-height: 1.75; max-width: 780px; margin-inline: auto;
}

.section-num {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: .92rem; font-weight: 700; color: var(--brand);
  margin-bottom: 24px; padding: 4px 14px;
  background: linear-gradient(135deg, rgba(22,119,255,.08), rgba(10,26,51,.04));
  border-radius: 8px; border: 1px solid rgba(22,119,255,.12);
  letter-spacing: .02em;
}
.section-num span {
  display: inline-flex; width: 28px; height: 28px;
  align-items: center; justify-content: center;
  border-radius: 7px; background: var(--brand); color: #fff;
  font-size: .78rem; font-weight: 800;
}

/* Eyebrow badges */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 800; letter-spacing: .1em;
  color: var(--brand-deep); border: 1px solid rgba(22,119,255,.25);
  border-radius: var(--radius-pill); padding: 5px 14px; margin-bottom: 18px;
  background: rgba(22,119,255,.04);
}
.eyebrow--light {
  color: rgba(255,255,255,.9); border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
}

/* ============================================================
   HERO SECTIONS
   ============================================================ */

/* Full hero on index.html */
.page-hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(64px, 9vw, 104px));
  padding-bottom: clamp(56px, 7vw, 84px);
  background:
    radial-gradient(circle at 83% 15%, rgba(22,119,255,.45), transparent 30rem),
    radial-gradient(circle at 20% 90%, rgba(80,177,255,.22), transparent 34rem),
    radial-gradient(circle at 50% 120%, rgba(22,119,255,.12), transparent 20rem),
    var(--grad-hero);
  color: #fff;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  pointer-events: none;
}
.page-hero .wrap {
  position: relative;
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(36px, 5vw, 64px); align-items: center;
}
.page-hero h1 {
  max-width: 22em; font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 18px;
}

.hero-copy { /* hero text container */ }

.hero-lead, .page-hero .lead, .lead {
  color: var(--white-80); font-size: var(--fs-lead);
  max-width: 32em; margin-bottom: 26px; line-height: 1.62;
}
.hero-lead strong, .page-hero .lead strong { color: #fff; font-weight: 750; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { position: relative; }

/* Hero Stages — structured 3-stage display */
.hero-stages {
  display: flex; flex-direction: column;
  gap: 12px; margin-bottom: 26px; max-width: 34em;
}
.hero-stage {
  display: flex; align-items: center;
  gap: 12px; padding: 10px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  backdrop-filter: blur(4px);
  transition: background .2s, border-color .2s;
}
.hero-stage:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(22, 119, 255, 0.35);
}
.hero-stage__tag {
  flex-shrink: 0; display: inline-flex;
  align-items: center; justify-content: center;
  min-width: 72px; padding: 4px 12px;
  font-size: .82rem; font-weight: 800; letter-spacing: .04em;
  color: #fff; background: var(--grad-brand); border-radius: 6px;
}
.hero-stage__text {
  font-size: var(--fs-lead);
  color: var(--white-80); line-height: 1.5;
}

/* Shorter hero on inner pages with breadcrumb */
.subpage-hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(48px, 7vw, 72px));
  padding-bottom: clamp(40px, 5vw, 60px);
  background: var(--grad-hero); color: #fff;
}
.subpage-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
  pointer-events: none;
}
.subpage-hero h1 {
  max-width: 18em; font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 850; line-height: 1.12; letter-spacing: -.05em; margin-bottom: 16px;
}
.subpage-hero .lead {
  color: var(--white-80); font-size: var(--fs-lead);
  max-width: 40em; margin-bottom: 24px; line-height: 1.62;
}

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: rgba(255,255,255,.5); margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.65); text-decoration: none; transition: color .15s; }
.breadcrumb a:hover { color: #fff; }

/* ============================================================
   WORKSPACE MOCKUP (index.html hero visual)
   ============================================================ */
.workspace-mock {
  position: relative; border: 1px solid rgba(255,255,255,.22);
  border-radius: 20px; background: rgba(255,255,255,.98); color: var(--ink);
  box-shadow: 0 32px 80px rgba(7,21,40,.28), 0 12px 32px rgba(22,119,255,.18);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
  transition: transform .4s ease, box-shadow .4s ease;
}
.workspace-mock:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-4px);
  box-shadow: 0 40px 96px rgba(7,21,40,.32), 0 16px 40px rgba(22,119,255,.22);
}
.workspace-topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 11px 16px;
  border-bottom: 1px solid var(--border); background: #f4f8fd;
}
.window-dots { display: flex; gap: 6px; }
.window-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(7,21,40,.18); }
.workspace-title { font-size: .82rem; font-weight: 800; color: var(--ink); }
.workspace-date { font-size: .76rem; color: var(--ink-40); }
.workspace-body { display: grid; grid-template-columns: 142px 1fr; min-height: 320px; }
.workspace-side { padding: 16px 12px; border-right: 1px solid var(--border); background: #f7faff; }
.workspace-side p { font-size: .7rem; font-weight: 800; letter-spacing: .08em; color: var(--ink-40); margin-bottom: 12px; }
.workspace-side a {
  display: block; padding: 7px 9px; border-radius: 8px; color: var(--ink-60);
  text-decoration: none; font-size: .78rem; font-weight: 650; margin-bottom: 5px;
}
.workspace-side a.active { color: var(--brand-deep); background: rgba(22,119,255,.1); }
.workspace-main { padding: 14px; background: #fff; }
.workspace-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.mock-kpi { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: linear-gradient(180deg, #fff, #f9fbff); }
.mock-kpi span { display: block; color: var(--ink-40); font-size: .7rem; font-weight: 700; }
.mock-kpi strong { display: block; margin-top: 5px; font-size: 1.18rem; line-height: 1.1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.mock-kpi i { font-style: normal; color: #16a34a; font-size: .72rem; font-weight: 800; }
.workspace-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 12px; }
.mock-panel { border: 1px solid var(--border); border-radius: 14px; padding: 12px; background: #fff; }
.mock-panel h3 { font-size: .82rem; font-weight: 800; margin-bottom: 10px; }
.trend-chart {
  display: grid; grid-template-columns: repeat(7, 1fr); align-items: end;
  gap: 7px; height: 116px;
  border-bottom: 1px solid var(--border); padding-bottom: 8px;
}
.trend-chart span { display: block; min-height: 16px; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, #1677ff, rgba(22,119,255,.22)); }
.trend-chart span:nth-child(1) { height: 38%; opacity: .45; }
.trend-chart span:nth-child(2) { height: 56%; opacity: .55; }
.trend-chart span:nth-child(3) { height: 48%; opacity: .5; }
.trend-chart span:nth-child(4) { height: 74%; opacity: .78; }
.trend-chart span:nth-child(5) { height: 66%; opacity: .72; }
.trend-chart span:nth-child(6) { height: 92%; }
.trend-chart span:nth-child(7) { height: 82%; }
.rank-table { display: grid; gap: 7px; }
.rank-row {
  display: grid; grid-template-columns: 26px 1fr auto; align-items: center;
  gap: 8px; padding: 8px 9px; border-radius: 9px;
  background: var(--bg-section); color: var(--ink-60); font-size: .76rem;
}
.rank-row strong { color: var(--ink); }
.rank-row.you { color: var(--brand-deep); background: rgba(22,119,255,.1); border: 1px solid rgba(22,119,255,.18); font-weight: 800; }

/* ============================================================
   EVIDENCE STRIP
   ============================================================ */
.evidence-strip { position: relative; margin-top: -32px; z-index: 2; }
.evidence-strip__inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  overflow: hidden; border: 1px solid var(--border); border-radius: 18px;
  background: var(--border); box-shadow: var(--sh-2);
}
.evidence-item { background: rgba(255,255,255,.98); padding: 24px; }
.evidence-item strong {
  display: block; font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; color: var(--ink);
}
.evidence-item span { display: block; margin-top: 10px; color: var(--ink-60); font-size: .86rem; line-height: 1.55; }

/* ============================================================
   TWO COLUMN LAYOUT
   ============================================================ */
.two-col { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(48px, 8vw, 100px); align-items: start; }
.split-copy h2 { font-size: 1.35rem; font-weight: 700; letter-spacing: -.02em; line-height: 1.4; margin-bottom: 16px; }
.split-copy p { color: var(--ink-60); font-size: var(--fs-lead); line-height: 1.65; margin-bottom: 16px; }

/* ============================================================
   LISTS
   ============================================================ */
.problem-list, .check-list, .deliverable-list { display: grid; gap: 12px; list-style: none; }
.problem-list li, .deliverable-list li {
  list-style: none; position: relative; padding: 16px 18px 16px 42px;
  border: 1px solid var(--border); border-radius: 14px; background: #fff;
  color: var(--ink-60); box-shadow: var(--sh-1);
}
.problem-list li::before, .deliverable-list li::before {
  content: ""; position: absolute; left: 18px; top: 23px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
}
.problem-list strong, .check-list strong, .deliverable-list strong { display: block; color: var(--ink); margin-bottom: 4px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px !important; border: 1px solid var(--border); border-radius: 14px; background: #fff;
  color: var(--ink-60); box-shadow: var(--sh-1); list-style: none;
}
.check-list li svg { flex-shrink: 0; margin-top: 1px; }

.insight-list { display: grid; gap: 10px; list-style: none; padding: 0; margin: 0; }
.insight-list li {
  list-style: none; position: relative; padding-left: 20px;
  color: var(--ink-60); font-size: .92rem; line-height: 1.65;
}
.insight-list li::before { content: "\203A"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }

/* ============================================================
   CARD GRIDS & CARDS
   ============================================================ */
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.capability-grid--services {
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.capability-card {
  position: relative; overflow: hidden; padding: 28px 30px; min-height: 280px;
  border: 1px solid var(--border); border-radius: var(--radius-card);
  background: rgba(255,255,255,.96); box-shadow: var(--sh-1);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.capability-grid--services .capability-card {
  padding: 32px 34px; min-height: 340px;
}
.capability-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: var(--grad-brand); opacity: 0;
}
.capability-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--sh-2); border-color: rgba(22,119,255,.22); }
.capability-card:hover::before { opacity: 1; }

/* Number badge */
.num, .capability-card__number {
  display: inline-flex; width: 28px; height: 28px;
  align-items: center; justify-content: center;
  border-radius: 8px; color: var(--brand-deep); background: var(--brand-light);
  font-size: .78rem; font-weight: 850; margin-bottom: 18px;
}

/* Title — support both .h3 and BEM __title */
.capability-card h3, .capability-card__title {
  font-size: 1.15rem; line-height: 1.35; letter-spacing: -.02em; margin-bottom: 12px;
  color: var(--ink);
}
.capability-grid--services .capability-card h3 {
  font-size: 1.28rem; font-weight: 750;
}

/* Description — support both .p and BEM __desc */
.capability-card p, .capability-card__desc { color: var(--ink-60); font-size: .9rem; line-height: 1.65; }
.capability-grid--services .capability-card > p { font-size: .93rem; }
.card-link { margin-top: 16px; }

/* Service result metrics */
.service-results {
  display: flex; gap: 16px;
  margin-top: 20px; padding-top: 18px;
  border-top: 1px solid var(--border);
}
.service-result__item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  flex: 1; padding: 10px 8px;
  background: var(--bg-section); border-radius: 10px;
}
.service-result__value {
  font-size: 1.3rem; font-weight: 850; color: var(--brand-deep);
  line-height: 1.15; letter-spacing: -.03em;
}
.service-result__label {
  font-size: .76rem; color: var(--ink-40); white-space: nowrap; font-weight: 500;
}

/* ============================================================
   CHALLENGE GRID (2x2 pain-point cards)
   ============================================================ */
.challenge-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.challenge-card {
  position: relative; padding: 28px 30px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-card); box-shadow: var(--sh-1);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.challenge-card:hover {
  transform: translateY(-3px); box-shadow: var(--sh-2);
  border-color: rgba(22,119,255,.18);
}
/* Number badge on challenge card */
.num, .challenge-card .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  color: var(--brand-deep); background: var(--brand-light);
  font-size: .8rem; font-weight: 850; margin-bottom: 16px;
}
.challenge-card h3, .challenge-card__title {
  font-size: 1.05rem; font-weight: 750; line-height: 1.4;
  letter-spacing: -.01em; margin-bottom: 12px; color: var(--ink);
}
.challenge-card p, .challenge-card__desc {
  font-size: .89rem; color: var(--ink-60); line-height: 1.72;
}

/* Split layout: challenge left, verdict right */
.challenge-grid--split { grid-template-columns: 1fr; gap: 16px; }
.challenge-card--split {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 0;
  padding: 0; overflow: hidden;
}
.challenge-card__challenge { padding: 26px 28px; }
.challenge-card--split .challenge-card__num { margin-bottom: 0; margin-right: 12px; vertical-align: middle; }
.challenge-card__challenge-label {
  display: inline-flex; align-items: center;
  font-size: .72rem; font-weight: 800;
  color: #fff; background: #f59e0b;
  padding: 4px 12px; border-radius: var(--radius-pill);
  letter-spacing: .02em; vertical-align: middle;
}
.challenge-card--split .challenge-card__title { margin-top: 14px; }
.challenge-card--split .challenge-card__verdict {
  margin: 0; border-radius: 0;
  border-left: 2px solid var(--brand);
  padding: 26px 28px;
  align-items: flex-start;
  display: flex; flex-direction: column; justify-content: center;
}
.challenge-card--paired { display: flex; flex-direction: column; }
.challenge-card__verdict {
  margin-top: auto; padding: 16px 18px;
  border-left: 4px solid var(--brand);
  border-radius: 0 10px 10px 0;
  background: linear-gradient(135deg, #e8f2ff 0%, #f5f9ff 100%);
  display: flex; align-items: flex-start; gap: 12px;
  margin: 22px -10px -10px;
  box-shadow: inset 0 1px 0 rgba(22,119,255,.08);
}
.challenge-card__verdict-icon { font-size: 1.2rem; flex: 0 0 auto; line-height: 1.5; }
.challenge-card__verdict-body { flex: 1; min-width: 0; }
.challenge-card__verdict-text {
  font-size: .95rem; line-height: 1.6; color: var(--ink); font-weight: 500;
}
.challenge-card__verdict-text strong { color: var(--brand-deep); font-weight: 800; }
.challenge-card__verdict-label {
  display: inline-block; font-size: .72rem; font-weight: 800;
  color: #fff; background: var(--brand);
  padding: 2px 10px; border-radius: var(--radius-pill);
  margin-bottom: 8px; letter-spacing: .02em;
}

/* ============================================================
   FLOW BOARD / STEPS (process timeline)
   ============================================================ */
.flow-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flow-board--3 { grid-template-columns: repeat(3, 1fr); }
.flow-board--5 { grid-template-columns: repeat(5, 1fr); }
.flow-board--8 { grid-template-columns: repeat(4, 1fr); }

/* MQL overview section: better balanced layout */
.mql-overview .two-col { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 56px; }

.mql-overview .split-copy .section-eyebrow,
.delivery-flow__head .section-eyebrow {
  display: inline-flex; align-items: center;
  font-size: .82rem; font-weight: 750; letter-spacing: .02em;
  color: var(--brand-deep);
  background: var(--brand-light);
  padding: 6px 14px; border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.mql-overview .split-copy h2 {
  font-size: 2.35rem; line-height: 1.18; letter-spacing: -.03em;
  margin-bottom: 22px; color: var(--ink);
}
.mql-overview .split-copy h2 br { display: block; }
.mql-overview .split-copy .lead {
  font-size: 1.12rem; line-height: 1.7; color: var(--ink-70);
  margin-bottom: 28px;
}
.mql-overview .split-copy .lead strong {
  color: var(--brand-deep); font-weight: 750;
}

.value-points,
.flow-steps {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 28px;
}
.value-point,
.flow-step--horizontal {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 16px 18px; border-radius: 14px;
  background: #fff; border: 1px solid var(--border);
  box-shadow: var(--sh-1);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.value-point:hover,
.flow-step--horizontal:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(22,119,255,.10), 0 3px 8px rgba(7,21,40,.05);
  border-color: rgba(22,119,255,.18);
}
.value-point__icon,
.flow-step__number {
  flex: 0 0 34px; width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), #4096ff);
  color: #fff; font-size: .85rem; font-weight: 850;
  margin-top: 2px;
}
.value-point__body,
.flow-step__body { display: flex; flex-direction: column; gap: 4px; }
.value-point__body strong,
.flow-step__body strong {
  font-size: 1rem; font-weight: 750; color: var(--ink);
}
.value-point__body span,
.flow-step__body span {
  font-size: .92rem; color: var(--ink-60); line-height: 1.55;
}

.mql-overview .insight-highlight {
  position: relative;
  padding: 20px 22px 20px 24px; border-radius: 16px;
  background: linear-gradient(135deg, #fff7e6 0%, #fff 60%);
  border-left: 4px solid #f59e0b;
  color: var(--ink); font-size: 1.05rem; line-height: 1.7;
  box-shadow: var(--sh-1);
}
.mql-overview .insight-highlight::before {
  content: "💡"; position: absolute; right: 18px; top: 16px;
  font-size: 1.4rem; opacity: .25;
}
.mql-overview .insight-highlight strong { color: #b45309; font-weight: 750; }

.delivery-flow { display: flex; flex-direction: column; }
.delivery-flow__head {
  margin-bottom: 8px;
}
.delivery-flow__head h3 {
  font-size: 1.65rem; font-weight: 750; color: var(--ink);
  letter-spacing: -.02em; line-height: 1.25;
}
.delivery-flow .lead {
  font-size: 1.05rem; line-height: 1.65; color: var(--ink-70);
  margin-bottom: 24px;
}
.delivery-flow .lead strong { color: var(--brand-deep); font-weight: 750; }

.delivery-highlight {
  position: relative;
  padding: 20px 22px 20px 24px; border-radius: 16px;
  background: linear-gradient(135deg, #f0f7ff 0%, #fff 60%);
  border-left: 4px solid var(--brand);
  color: var(--ink); font-size: 1.05rem; line-height: 1.7;
  box-shadow: var(--sh-1);
}
.delivery-highlight::before {
  content: "🎯"; position: absolute; right: 18px; top: 16px;
  font-size: 1.4rem; opacity: .25;
}
.delivery-highlight strong { color: var(--brand-deep); font-weight: 750; }
.flow-step--compact { text-align: center; padding: 20px 14px; }

.flow-step__icon {
  width: 48px; height: 48px; margin: 0 auto 12px;
  border-radius: 14px; background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
}
.flow-step__text { font-size: .82rem; font-weight: 600; color: var(--ink); line-height: 1.4; }
.flow-step__number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--brand-light); color: var(--brand-deep);
  font-size: .8rem; font-weight: 850; margin-bottom: 12px;
}
.flow-step__title { font-size: .95rem; font-weight: 700; margin-bottom: 4px; }
.flow-step__desc { font-size: .82rem; color: var(--ink-60); line-height: 1.5; }
.flow-step__tag {
  display: inline-block; font-size: .72rem; font-weight: 700;
  padding: 2px 10px; border-radius: var(--radius-pill);
  background: #fef3c7; color: #b45309; margin-top: 8px;
}

/* Featured card (最推荐) */
.flow-step--featured {
  border-color: var(--brand);
  background: linear-gradient(135deg, #f0f7ff 0%, #fff 60%);
  box-shadow: 0 4px 16px rgba(22,119,255,.12), var(--sh-1);
}
.flow-step__badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .72rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), #4096ff);
  padding: 3px 12px; border-radius: var(--radius-pill);
  margin-bottom: 10px;
}

/* ============================================================
   COOPERATION FLOW (process.html — 合作流程 4 步骤)
   ============================================================ */
.cooperation-flow { margin-top: 52px; }
.cooperation-flow__title {
  font-size: 1.28rem; font-weight: 750; margin-bottom: 24px;
  color: var(--ink); display: flex; align-items: center; gap: 10px;
}
.cooperation-flow__title::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}
.cooperation-flow__steps {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}

.coop-step {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px 24px; border: 1px solid var(--border);
  border-radius: 14px; background: #fff; box-shadow: var(--sh-1);
  transition: transform .25s ease, box-shadow .25s ease;
}
.coop-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}
.coop-step__num {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; background: var(--brand-light);
  color: var(--brand-deep); font-size: .95rem; font-weight: 850;
}
.coop-step__body { flex: 1; min-width: 0; }
.coop-step__body strong {
  display: block; font-size: .98rem; font-weight: 700;
  color: var(--ink); margin-bottom: 5px;
}
.coop-step__body p {
  font-size: .84rem; color: var(--ink-60); line-height: 1.55;
  margin: 0;
}

/* Non-BEM fallback internals for flow-step */
.flow-step > span {
  display: inline-flex; margin-bottom: 18px; width: 32px; height: 32px;
  align-items: center; justify-content: center; border-radius: 9px;
  background: var(--brand-light); color: var(--brand-deep); font-weight: 850; font-size: .82rem;
}
.flow-step h3 { font-size: 1rem; margin-bottom: 8px; }
.flow-step p { color: var(--ink-60); font-size: .88rem; line-height: 1.62; }
.flow-step ul { list-style: none; display: grid; gap: 6px; margin-top: 10px; }
.flow-step ul li { color: var(--ink-60); font-size: .84rem; padding-left: 14px; position: relative; }
.flow-step ul li::before { content: "\25CB"; position: absolute; left: 0; color: var(--brand); font-size: .7rem; }

.flow-arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 300; color: var(--ink-40);
  padding-top: 36px;
}

/* Panorama chain (horizontal pipeline flow) */
.panorama-chain {
  display: flex; align-items: stretch; gap: 6px;
  flex-wrap: wrap; margin-top: 20px;
}
.panorama-node {
  flex: 1; min-width: 140px; text-align: center; padding: 20px 12px;
  border: 1px solid var(--border); background: #fff; position: relative;
}
.panorama-node:first-child { border-radius: 14px; }
.panorama-node:last-child { border-radius: 14px; }
.panorama-node strong { display: block; font-size: .95rem; color: var(--ink); margin-bottom: 6px; }
.panorama-node span { display: block; font-size: .78rem; color: var(--ink-60); }

/* ============================================================
   VALUE PILLARS (about.html — 曝光/信任/决策)
   ============================================================ */
.value-pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  margin-bottom: 48px; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border);
}
.value-pillar {
  padding: 36px 28px 32px; position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 1px 3px rgba(7,21,40,.06);
}
.value-pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(7,21,40,.12), 0 6px 16px rgba(22,119,255,.08);
}
/* Pillar 1 — light blue gradient */
.value-pillar:nth-child(1) { background: linear-gradient(180deg, #f0f6ff 0%, #fff 100%); }
/* Pillar 2 — medium gradient with side borders */
.value-pillar:nth-child(2) {
  background: linear-gradient(180deg, #e8f1ff 0%, #fff 100%);
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
}
/* Pillar 3 — DARK navy gradient + WHITE text forced below */
.value-pillar:nth-child(3) { background: linear-gradient(180deg, #0a1a33 0%, #142d5c 100%); }
.value-pillar:nth-child(3) .value-pillar__icon { color: #fff; }
.value-pillar:nth-child(3) .value-pillar__title { color: #fff; }
.value-pillar:nth-child(3) .value-pillar__desc { color: rgba(255,255,255,.75); }

.value-pillar__icon {
  width: 56px; height: 56px; margin: 0 auto 18px;
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; line-height: 1; background: var(--brand-light);
  border: 1px solid rgba(22,119,255,.12);
}
.value-pillar__title { font-size: 1.15rem; font-weight: 750; margin-bottom: 8px; color: var(--ink); }
.value-pillar__desc { font-size: .88rem; color: var(--ink-60); line-height: 1.55; }

/* Arrow between pillars */
.value-pillar:not(:last-child)::after {
  content: "\2192"; position: absolute; right: -14px; top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  background: var(--brand); color: #fff; border-radius: 50%;
  font-size: .85rem; z-index: 2;
  box-shadow: 0 2px 12px rgba(22,119,255,.4);
}
.value-pillar:nth-child(2)::after { background: #0a1a33; }

/* ============================================================
   POSITIONING BANNER (about.html)
   DARK navy gradient + WHITE text
   ============================================================ */
.positioning-banner {
  display: flex; align-items: center; gap: 20px;
  padding: 28px 32px;
  background: linear-gradient(135deg, #0a1a33 0%, #142d5c 100%);
  border-radius: 18px; margin-bottom: 48px; color: #fff;
  position: relative; overflow: hidden;
}
.positioning-banner::before {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(22,119,255,.15) 0%, transparent 70%);
}
.positioning-banner__icon {
  flex-shrink: 0; width: 56px; height: 56px; border-radius: 16px;
  background: rgba(22,119,255,.2); border: 1px solid rgba(22,119,255,.3);
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.positioning-banner__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; color: #fff; }
.positioning-banner__text { flex: 1; position: relative; z-index: 1; }
.positioning-banner__text p { font-size: .88rem; color: rgba(255,255,255,.7); line-height: 1.6; }
.positioning-banner__tags {
  display: flex; gap: 8px; flex-shrink: 0; position: relative; z-index: 1;
}
.positioning-tag {
  padding: 6px 14px; font-size: .78rem; font-weight: 600;
  border-radius: 20px; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.8);
}

/* ============================================================
   TABLES
   ============================================================ */

/* Format table (CSS grid rows) */
.format-table {
  overflow: hidden; border: 1px solid var(--border); border-radius: 18px;
  background: #fff; box-shadow: var(--sh-1);
}
.format-row {
  display: grid; grid-template-columns: 1fr 1.2fr 1fr;
  border-bottom: 1px solid var(--border);
}
.format-row:last-child { border-bottom: none; }
.format-row > div { padding: 18px 24px; border-right: 1px solid var(--border); color: var(--ink-60); font-size: .9rem; }
.format-row > div:last-child { border-right: none; }
.format-row--head > div { background: #f7faff; color: var(--ink); font-weight: 800; }
.format-row strong { color: var(--ink); }

/* Compare table (CSS grid rows) */
.compare-table {
  overflow: hidden; border: 1px solid var(--border); border-radius: 18px;
  background: #fff; box-shadow: var(--sh-1);
}
.compare-row {
  display: grid; grid-template-columns: .8fr 1.1fr 1.1fr;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div { padding: 16px 20px; border-right: 1px solid var(--border); color: var(--ink-60); font-size: .88rem; }
.compare-row > div:last-child { border-right: none; }
.compare-row--head > div { background: #f7faff; color: var(--ink); font-weight: 800; }
.compare-row .highlight { color: var(--brand-deep); background: rgba(22,119,255,.06); font-weight: 700; }
.compare-row--head .highlight { background: rgba(22,119,255,.12); }

/* SaaS Compare Table — real <table>, MUST be 100% width */
.b2b-compare-table {
  width: 100%;
  table-layout: fixed;
  overflow: hidden; border: 1px solid var(--border); border-radius: 18px;
  background: #fff; box-shadow: var(--sh-2);
  border-collapse: collapse;
}
.b2b-compare-table th,
.b2b-compare-table td {
  padding: 16px 24px; font-size: .9rem; line-height: 1.65; vertical-align: middle;
  border: none;
}
.b2b-compare-table th:first-child,
.b2b-compare-table td:first-child {
  background: #f0f6ff; color: var(--ink); font-weight: 700;
  font-size: .85rem; width: 18%; min-width: 140px;
}
.b2b-compare-table th:nth-child(2),
.b2b-compare-table td:nth-child(2) {
  color: var(--ink-60); width: 41%;
}
.b2b-compare-table th:nth-child(3),
.b2b-compare-table td:nth-child(3) {
  background: var(--grad-brand); color: #fff !important; font-weight: 800; width: 41%;
}
/* Data rows: 3rd column dark navy override */
.b2b-compare-table tbody tr td:nth-child(3) {
  background: linear-gradient(135deg, #0a1a33 0%, #142d5c 100%) !important;
  color: #fff !important; font-weight: 600;
}

.highlight-col { background: var(--navy) !important; color: #fff !important; font-weight: 700; }
.highlight-row {
  background: linear-gradient(135deg, #0a1a33 0%, #142d5c 100%) !important;
  color: #fff !important; font-weight: 600;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 28px; max-width: 960px; margin-inline: auto;
}
.pricing-card {
  border: 1px solid var(--border); border-radius: var(--radius-card);
  background: rgba(255,255,255,.96); box-shadow: var(--sh-1);
  padding: 28px 24px; position: relative; overflow: hidden;
}
.pricing-card--featured {
  background: var(--grad-panel); border-color: rgba(22,119,255,.28);
}
.pricing-card--featured::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: var(--grad-brand);
}

.pricing-card__label {
  display: inline-block; font-size: .78rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; color: var(--brand-deep);
  padding: 3px 12px; border-radius: var(--radius-pill);
  background: var(--brand-light); margin-bottom: 16px;
}
.pricing-card h3 { font-size: 1.35rem; font-weight: 750; margin-bottom: 8px; }
.pricing-card__desc { color: var(--ink-60); font-size: .9rem; line-height: 1.6; margin-bottom: 20px; }
.pricing-card p { color: var(--ink-60); font-size: .92rem; line-height: 1.65; margin-bottom: 20px; }

/* Pricing dims — two naming conventions unified */
.pricing-dims, .pricing-card__dims { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pricing-dims li { list-style: none; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-section); font-size: .88rem; display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.pricing-card__dims li { padding: 8px 0; font-size: .9rem; color: var(--ink-60); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.pricing-card__dims li:last-child { border-bottom: none; }
.pricing-dims strong { color: var(--ink); }
.pricing-dims em, .pricing-card__dims li em { font-style: normal; color: #16a34a; font-weight: 600; font-size: .84rem; }

/* Pricing Contrast section wrapper (no grid — inner .contrast-grid handles layout) */
.pricing-contrast {
  /* Section-level spacing only; grid moved to .contrast-grid */
  margin-bottom: 8px;
}
.pricing-contrast-card {
  border-radius: 18px; padding: 28px; position: relative;
  transition: transform .3s ease;
}
.pricing-contrast-card--bad { background: #fff; border: 1px solid var(--border); }
.pricing-contrast-card--good {
  background: linear-gradient(180deg, #f0f6ff 0%, #fff 100%);
  border: 1.5px solid var(--brand); box-shadow: 0 8px 32px rgba(22,119,255,.12);
}
.pricing-contrast-card:hover { transform: translateY(-3px); }
.pricing-contrast-header { margin-bottom: 20px; }
.pricing-contrast-tag {
  display: inline-block; padding: 4px 12px; font-size: .74rem; font-weight: 700;
  border-radius: 20px; background: #f0f0f0; color: var(--ink-60); margin-bottom: 10px;
}
.pricing-contrast-tag--active { background: var(--brand); color: #fff; }
.pricing-contrast-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--ink); }
.pricing-contrast-items { display: grid; gap: 6px; margin-bottom: 18px; }
.contrast-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 14px; border-radius: 8px; font-size: .84rem;
  background: #fafafa; border: 1px solid var(--border);
}
.contrast-item span { color: var(--ink-60); }
.contrast-price { font-weight: 600; color: var(--ink-60); font-size: .82rem; }
.contrast-item--missing { background: #fff5f5; border-color: rgba(220,38,38,.12); }
.contrast-item--missing span { color: rgba(220,38,38,.6); }
.contrast-item--missing .contrast-price { color: rgba(220,38,38,.5); }
.contrast-item--more { background: transparent; border: 1px dashed var(--border); text-align: center; }
.contrast-item--more span { color: var(--ink-40); font-style: italic; }
.contrast-item--included { background: rgba(22,119,255,.04); border-color: rgba(22,119,255,.1); }
.contrast-item--included span { color: var(--ink); font-weight: 500; }
.contrast-check { font-size: .78rem; font-weight: 700; color: var(--brand); padding: 2px 10px; border-radius: 12px; background: var(--brand-light); }

.pricing-contrast-total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-radius: 10px; background: #f5f5f5; margin-bottom: 12px;
}
.pricing-contrast-total span { font-size: .84rem; color: var(--ink-60); }
.pricing-contrast-total strong { font-size: 1.15rem; color: var(--ink); }
.pricing-contrast-total--good { background: var(--brand); }
.pricing-contrast-total--good span { color: rgba(255,255,255,.8); }
.pricing-contrast-total--good strong { color: #fff; font-size: 1rem; }
.pricing-contrast-note { font-size: .8rem; color: rgba(220,38,38,.7); text-align: center; line-height: 1.5; }
.pricing-contrast-note--good { color: var(--brand-deep); font-weight: 600; }
.pricing-contrast-vs {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: var(--ink-40); letter-spacing: .05em;
}

/* Contrast Grid BEM variants */
.contrast-grid {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 24px; max-width: 960px; margin-inline: auto; align-items: stretch;
}
.contrast-card {
  border: 1px solid var(--border); border-radius: 18px;
  padding: 24px; box-shadow: var(--sh-1); background: #fff;
}
.contrast-card--bad { background: #fefefe; border-color: rgba(220,38,38,.15); }
.contrast-card--good { background: linear-gradient(135deg, #f0faff, #eef6ff); border-color: rgba(22,119,255,.25); }
.contrast-card__tag {
  display: inline-block; font-size: .78rem; font-weight: 700;
  padding: 4px 12px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.contrast-card--bad .contrast-card__tag { background: #fef2f2; color: #dc2626; }
.contrast-card--good .contrast-card__tag { background: var(--brand-light); color: var(--brand-deep); }
.contrast-card__list { list-style: none; padding: 0; margin: 0 0 16px; }
.contrast-card__list li { padding: 7px 0; font-size: .88rem; display: flex; gap: 8px; align-items: center; }
.bad-item { color: var(--ink-60); }
.bad-item::before { content: "\2715"; color: #dc2626; font-weight: 700; flex-shrink: 0; }
.good-item { color: var(--ink-60); }
.good-item::before { content: "\2713"; color: #16a34a; font-weight: 700; flex-shrink: 0; }
.contrast-card__total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border-radius: 10px; margin-bottom: 8px; background: #f5f5f5;
}
.contrast-card--good .contrast-card__total { background: var(--brand); }
.total-label { font-size: .84rem; color: var(--ink-60); }
.total-value { font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.bad-value { color: #dc2626; }
.contrast-card--good .total-value,
.contrast-card--good .total-label { color: rgba(255,255,255,.85); }
.contrast-card__note { font-size: .78rem; text-align: center; line-height: 1.5; }
.contrast-card--bad .contrast-card__note { color: rgba(220,38,38,.65); }
.contrast-card--good .contrast-card__note { color: var(--brand-deep); font-weight: 600; }
.contrast-divider {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; font-weight: 800; color: var(--ink-40); letter-spacing: .05em;
}

/* ============================================================
   COMMITMENT STRIP
   ============================================================ */
.commitment-strip {
  margin-top: 36px;
}
.commitment-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  overflow: hidden; border: 1px solid var(--border); border-radius: 18px;
  background: var(--border); box-shadow: var(--sh-1);
}
.commitment-item { background: #fff; padding: 28px 20px; text-align: center; }
.commitment-item strong { display: block; font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--brand-deep); line-height: 1; letter-spacing: -.04em; }
.commitment-item span { display: block; margin-top: 10px; color: var(--ink-60); font-size: .86rem; }
.commitment-item__value {
  display: block; font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 850; color: var(--brand-deep); line-height: 1; letter-spacing: -.03em;
}
.commitment-item__label { display: block; margin-top: 8px; font-size: .84rem; color: var(--ink-60); line-height: 1.45; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative; overflow: hidden;
  background: radial-gradient(circle at 20% 80%, rgba(22,119,255,.28), transparent 38rem), var(--grad-hero);
  color: #fff; padding-block: clamp(72px, 10vw, 104px);
}
.cta-section--hero { /* full-width hero CTA variant */ }
.cta-section--inline { padding-block: clamp(48px, 7vw, 72px); }
.cta-section::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}
.cta-section h1 {
  font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 850;
  letter-spacing: -.05em; line-height: 1.12; margin-bottom: 16px; color: #fff;
}
.cta-section__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-pill); padding: 5px 14px; margin-bottom: 16px;
  background: rgba(255,255,255,.08);
}
.cta-section__lead {
  color: var(--white-80); font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  max-width: 36em; line-height: 1.65; margin-bottom: 28px;
}

.cta-box { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 64px); align-items: start; }
.cta-box--compact { max-width: 720px; margin-inline: auto; }
.cta-box h2 { font-size: var(--fs-h2); font-weight: 650; letter-spacing: .01em; line-height: 1.4; margin-bottom: 16px; color: #fff; }
.cta-box__title { font-size: 1.35rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.cta-box__desc { color: var(--white-80); font-size: var(--fs-lead); line-height: 1.6; }
.cta-points { display: grid; gap: 8px; margin-top: 22px; color: var(--white-60); font-size: .9rem; }
.cta-points span { padding-left: 16px; position: relative; }
.cta-points span::before { content: "\2713"; position: absolute; left: 0; color: var(--brand); }

/* CTA Form Panel */
.cta-form-panel {
  background: rgba(255,255,255,.98); border-radius: 18px; padding: 28px;
  box-shadow: var(--sh-3); color: var(--ink);
}
.cta-form { display: flex; flex-direction: column; gap: 12px; }
.cta-form-row { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-form input, .cta-form select, .cta-form textarea {
  flex: 1; min-width: 140px; font: inherit; font-size: .9rem;
  padding: 12px 14px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-btn); background: var(--bg-page); color: var(--ink); outline: none;
}
.cta-form textarea { min-height: 92px; resize: vertical; }
.cta-form select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23071528' fill-opacity='0.4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; cursor: pointer;
}
.cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22,119,255,.12);
}
.cta-form button {
  align-self: flex-start; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 10px 20px; border-radius: var(--radius-pill);
  font-size: .9rem; font-weight: 700; cursor: pointer; border: none;
  background: var(--grad-brand); color: #fff; box-shadow: var(--sh-2);
  transition: transform .18s, box-shadow .18s;
}
.cta-form button:hover { transform: translateY(-1px); box-shadow: 0 14px 38px rgba(22,119,255,.22); }
.cta-note { font-size: .78rem; color: var(--ink-40); margin-top: 2px; }

/* ============================================================
   FORMS (contact page)
   ============================================================ */
.contact-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: clamp(40px, 6vw, 64px); align-items: start;
}

.contact-info { /* left-side info block */ }
.contact-info__title { font-size: 1.4rem; font-weight: 750; letter-spacing: -.02em; color: var(--ink); margin-bottom: 12px; }
.contact-info__desc { color: var(--ink-60); font-size: var(--fs-lead); line-height: 1.7; margin-bottom: 24px; }
.contact-info__subtitle { font-size: 1.05rem; font-weight: 650; color: var(--ink); margin-bottom: 16px; }

.form-row { margin-bottom: 0; }
.form-row--2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: .84rem; font-weight: 650; color: var(--ink); margin-bottom: 6px; }

.form-input, .form-select, .form-textarea {
  width: 100%; font-family: inherit; font-size: .9rem;
  padding: 12px 14px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-btn); background: var(--bg-page);
  color: var(--ink); outline: none; resize: vertical;
  box-sizing: border-box; transition: border-color .15s, box-shadow .15s;
}
.form-textarea { min-height: 92px; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22,119,255,.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--ink-40); }
.form-select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23071528' fill-opacity='0.4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 34px; cursor: pointer;
}
.form-note { font-size: .78rem; color: var(--ink-40); margin-top: 6px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: 14px;
  background: #fff; box-shadow: var(--sh-1); overflow: hidden;
}

/* Simple version (.faq-q / .faq-a) */
.faq-q {
  padding: 18px 22px; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; font-weight: 700; font-size: .95rem; transition: color .15s;
  background: transparent; border: none; width: 100%; text-align: left; color: var(--ink);
}
.faq-q:hover { color: var(--brand-deep); }
.faq-q::after { content: "+"; font-size: 1.2rem; color: var(--brand); transition: transform .25s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 22px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }
.faq-a p { color: var(--ink-60); font-size: .9rem; line-height: 1.7; }

/* BEM version (.faq-item__question / .faq-item__answer) — used in contact.html */
.faq-item__question {
  width: 100%; padding: 18px 22px;
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; font-weight: 700; font-size: .95rem;
  background: transparent; border: none; text-align: left;
  color: var(--ink); transition: color .15s;
}
.faq-item__question:hover { color: var(--brand-deep); }
.faq-icon { flex-shrink: 0; transition: transform .25s; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 22px; }
.faq-item.open .faq-item__answer { max-height: 300px; padding: 0 22px 18px; }
.faq-item__answer p { color: var(--ink-60); font-size: .9rem; line-height: 1.7; margin: 0; }

/* ============================================================
   INLINE CTA BANNER
   ============================================================ */
.inline-cta {
  display: flex; align-items: center; gap: 28px;
  padding: 32px 36px;
  background: linear-gradient(135deg, #f0f6ff 0%, #e8f1ff 100%);
  border: 1px solid rgba(22,119,255,.22); border-radius: 16px;
  margin-top: 56px;
}
.inline-cta-icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px;
  background: var(--brand-light); border: 1px solid rgba(22,119,255,.15);
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
}
.inline-cta-text h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.inline-cta-text p { font-size: .88rem; color: var(--ink-60); line-height: 1.6; }

/* ============================================================
   INSIGHT CALLOUT
   ============================================================ */
.insight-callout {
  border: 1px solid rgba(22,119,255,.22); border-radius: 18px;
  padding: 28px; background: var(--grad-panel); margin-top: 36px;
}
.insight-callout h3 { font-size: 1.05rem; margin-bottom: 16px; color: var(--ink); }
.insight-callout h3::before { content: "\1F4A1 "; }

/* ============================================================
   ALTERNATIVE CONTACT (contact.html)
   ============================================================ */
.alternative-contact { text-align: center; }
.alternative-contact__title { font-size: 1.4rem; font-weight: 700; color: var(--ink); margin-bottom: 32px; }
.contact-methods { display: flex; justify-content: center; align-items: center; gap: 48px; }
.contact-method { text-align: center; }
.contact-method__icon {
  width: 64px; height: 64px; margin: 0 auto 14px;
  background: var(--brand-light); border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
}
.contact-method__title { font-size: .95rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.contact-method__value { display: block; font-size: 1.05rem; font-weight: 650; color: var(--brand-deep); text-decoration: none; margin-bottom: 4px; }
.contact-method__value:hover { text-decoration: underline; }
.contact-method__note { font-size: .82rem; color: var(--ink-40); }
.contact-divider { width: 1px; height: 80px; background: var(--border); }

/* ============================================================
   PROCESS PAGE EXTRAS
   ============================================================ */
.timeline-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.timeline-card {
  border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; background: #fff; box-shadow: var(--sh-1);
}
.timeline-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.timeline-card__badge {
  display: inline-block; font-size: .78rem; font-weight: 700;
  padding: 3px 12px; border-radius: var(--radius-pill);
  background: var(--brand-light); color: var(--brand-deep); margin-bottom: 14px;
}
.timeline-card__list { list-style: none; padding: 0; margin: 0; }
.timeline-card__list li {
  padding: 5px 0 5px 20px; font-size: .88rem; color: var(--ink-60); position: relative;
}
.timeline-card__list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}

/* ============================================================
   VALUE BADGES
   ============================================================ */
.value-badges {
  display: flex; align-items: center; justify-content: center;
  gap: 2px; flex-wrap: nowrap; overflow-x: auto;
}
.value-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px; font-size: .88rem;
  font-weight: 700; white-space: nowrap;
  box-shadow: var(--sh-2); transition: transform .2s, box-shadow .2s;
}
.value-badge:nth-child(1) { background: linear-gradient(135deg, #1677ff 0%, #2f8bff 100%); }
.value-badge:nth-child(3) { background: linear-gradient(135deg, #0a1a33 0%, #1677ff 100%); }
.value-badge:nth-child(5) { background: linear-gradient(135deg, #0a1a33 0%, #142d5c 100%); }
.value-badge:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(22,119,255,.25); }
.value-badge strong {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(255,255,255,.2); font-size: .68rem; font-weight: 800; color: #fff;
}
.value-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand-light); color: var(--brand);
  font-size: .9rem; font-weight: 800; margin: 0 6px; flex-shrink: 0;
}

/* ============================================================
   INSIGHTS / CONTENT HUB (行业洞察)
   ============================================================ */
.insights-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

/* Category filter bar */
.insight-filter {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 36px;
}
.insight-filter__btn {
  padding: 8px 22px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: #fff;
  font-size: .88rem; font-weight: 600; color: var(--ink-60);
  cursor: pointer; transition: all .2s;
}
.insight-filter__btn:hover {
  border-color: rgba(22,119,255,.35); color: var(--brand);
}
.insight-filter__btn.is-active {
  background: var(--brand); color: #fff; border-color: var(--brand);
  box-shadow: 0 4px 12px rgba(22,119,255,.25);
}

.insight-card {
  position: relative;
  border: 1px solid var(--border); border-radius: var(--radius-card);
  background: #fff; box-shadow: var(--sh-1); overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column;
}
.insight-card:hover {
  transform: translateY(-3px); box-shadow: var(--sh-2);
  border-color: rgba(22,119,255,.22);
}
.insight-card-link {
  position: absolute; inset: 0; z-index: 1;
}
.insight-card-body {
  position: relative; z-index: 0;
  padding: 22px; flex: 1; display: flex; flex-direction: column;
}
.insight-tag {
  display: inline-flex; align-items: center; font-size: .72rem; font-weight: 700;
  color: var(--brand-deep); background: var(--brand-light);
  border-radius: var(--radius-pill);
  padding: 3px 10px; margin-bottom: 12px; align-self: flex-start;
}
.insight-card h3 {
  font-size: .98rem; font-weight: 800; line-height: 1.4;
  letter-spacing: -.02em; margin-bottom: 10px; color: var(--ink);
}
.insight-card p {
  color: var(--ink-60); font-size: .86rem; line-height: 1.62; flex: 1;
}
.insight-card-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border);
}
.insight-date { font-size: .78rem; color: var(--ink-40); }
.insight-link {
  font-size: .82rem; font-weight: 700; color: var(--brand);
  display: inline-flex; align-items: center; gap: 4px;
}
.insight-card:hover .insight-link { color: #0958d9; }
.insights-cta { text-align: center; margin-top: 40px; }

/* ============================================================
   FOOTER — supports BOTH naming conventions
   ============================================================ */
.site-footer {
  position: relative; background: var(--navy); color: rgba(255,255,255,.65);
  padding-block: 64px 32px;
}
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 1px; background: linear-gradient(90deg, transparent, rgba(22,119,255,.5), transparent);
}

.footer-inner { width: var(--w); margin-inline: auto; }

/* Original naming convention */
.footer-grid {
  display: grid; grid-template-columns: 1.4fr repeat(5, 1fr);
  gap: 32px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .wordmark, .footer-brand .logo { color: #fff; font-size: 1.15rem; margin-bottom: 16px; display: inline-block; }
.footer-brand .wordmark i, .footer-brand .logo i { color: rgba(255,255,255,.75); }
.footer-brand p { font-size: .875rem; line-height: 1.7; max-width: 25em; color: rgba(255,255,255,.55); }
.footer-col h4 { font-size: .72rem; font-weight: 800; letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: 16px; text-transform: uppercase; }
.footer-col a { display: block; font-size: .875rem; color: rgba(255,255,255,.62); text-decoration: none; margin-bottom: 12px; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding-top: 28px; font-size: .8rem; color: rgba(255,255,255,.35); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* BEM naming convention (generated pages) */
.site-footer__grid {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-footer__logo { color: #fff; font-size: 1.15rem; font-weight: 900; letter-spacing: -.03em; margin-bottom: 12px; }
.site-footer__desc { font-size: .875rem; line-height: 1.7; color: rgba(255,255,255,.55); max-width: 22em; }
.site-footer__links h4 { font-size: .72rem; font-weight: 800; letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: 16px; text-transform: uppercase; }
.site-footer__links ul { list-style: none; padding: 0; margin: 0; }
.site-footer__links li { margin-bottom: 10px; }
.site-footer__links a { display: block; font-size: .875rem; color: rgba(255,255,255,.62); text-decoration: none; transition: color .15s; }
.site-footer__links a:hover { color: #fff; }
.site-footer__bottom { padding-top: 28px; font-size: .8rem; color: rgba(255,255,255,.35); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1080px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-board, .flow-board--8 { grid-template-columns: repeat(2, 1fr); }
  .flow-board--3 { grid-template-columns: repeat(2, 1fr); }
  .cooperation-flow__steps { grid-template-columns: repeat(2, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .workspace-body { grid-template-columns: 132px 1fr; }
  .workspace-grid { grid-template-columns: 1fr; }
  .value-pillars { grid-template-columns: 1fr; }
  .value-pillar:not(:last-child)::after { display: none; }
  .value-pillar:nth-child(2) { border-left: none; border-right: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .positioning-banner { flex-direction: column; text-align: center; gap: 14px; }
  .positioning-banner__tags { justify-content: center; }
}

@media (max-width: 900px) {
  .page-hero .wrap, .two-col, .cta-box, .pricing-grid { grid-template-columns: 1fr; }
  .evidence-strip__inner, .commitment-strip, .commitment-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid, .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .panorama-chain { flex-direction: column; }
  .panorama-node { border-radius: 14px !important; }
  .timeline-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row--2col { grid-template-columns: 1fr; }
  .inline-cta { flex-direction: column; text-align: center; }
  .main-nav { display: none; }
  .flow-board--3 { grid-template-columns: repeat(2, 1fr); }
  .cooperation-flow__steps { grid-template-columns: repeat(2, 1fr); }
  .challenge-grid { grid-template-columns: 1fr; gap: 16px; }
  .challenge-card--split { grid-template-columns: 1fr; }
  .challenge-card--split .challenge-card__verdict { border-left: none; border-top: 2px solid var(--brand); }
  .contact-methods { flex-direction: column; gap: 32px; }
  .contact-divider { width: 80px; height: 1px; }
  .hero-stages { gap: 10px; max-width: 28em; }
  .hero-stage__text { font-size: .95rem; }
  .capability-grid--services { gap: 20px; }
  .capability-grid--services .capability-card { min-height: 300px; padding: 26px 28px; }
  .mql-overview .two-col { gap: 36px; }
  .mql-overview .split-copy h2 { font-size: 2rem; }
  .mql-overview .split-copy .lead { font-size: 1.05rem; }
  .delivery-flow__head h3 { font-size: 1.35rem; }
  .delivery-flow .lead { font-size: .98rem; }
}

@media (max-width: 640px) {
  :root {
    --w: min(calc(100% - 24px), 1200px);
    --space-section: clamp(64px, 10vw, 100px);
  }
  /* Mobile nav */
  .site-nav, .main-nav {
    display: none; position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(255,255,255,.98);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border); box-shadow: var(--sh-2);
    padding: 8px 16px 16px; max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .site-nav.open, .main-nav.open { display: flex; }
  .site-nav > a, .nav-item > a, .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--border); width: 100%; }
  .nav-item > a { justify-content: space-between; }
  .nav-dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 1px solid var(--border); padding: 8px 12px; min-width: auto;
    background: rgba(10, 26, 51, 0.04); border-radius: 12px; margin: 4px 0; backdrop-filter: none;
  }
  .nav-dropdown::before { display: none; }
  .nav-dropdown a { padding: 10px 14px; color: var(--ink) !important; font-size: .86rem; border-bottom: none; background: #fff; }
  .nav-dropdown a:hover { background: var(--brand-light); color: var(--brand-deep); transform: none; }
  .nav-dropdown a span { color: var(--ink-40) !important; }
  .nav-dropdown a:hover span { color: var(--ink-60) !important; }

  .nav-toggle { display: block; margin-left: auto; color: var(--ink); }
  .site-header.scrolled .nav-toggle { color: var(--ink); }
  .site-header:not(.scrolled) .nav-toggle { color: #fff; }
  .header-inner > .btn-primary, .nav-cta { display: none; }
  .page-hero { padding-top: calc(var(--header-h) + 76px); }
  .workspace-body { grid-template-columns: 1fr; }
  .workspace-side { display: none; }
  .capability-grid { grid-template-columns: 1fr; }
  .evidence-strip__inner, .commitment-strip, .commitment-grid, .insights-grid { grid-template-columns: 1fr; }
  .compare-row, .format-row { grid-template-columns: 1fr; }
  .compare-row > div, .format-row > div { border-right: none; border-bottom: 1px solid var(--border); }
  .compare-row > div:last-child, .format-row > div:last-child { border-bottom: none; }
  .b2b-compare-table { font-size: .82rem; }
  .b2b-compare-table th, .b2b-compare-table td { padding: 10px 12px; }
  .b2b-compare-table th:first-child, .b2b-compare-table td:first-child { width: 22%; }
  .value-badges { flex-direction: column; gap: 8px; }
  .value-arrow { transform: rotate(90deg); margin: 0; }
  .cta-form-row { flex-direction: column; }
  .footer-grid, .footer-inner, .site-footer__grid { grid-template-columns: 1fr; }
  .flow-board, .flow-board--3, .flow-board--5, .flow-board--8 { grid-template-columns: 1fr; }
  .cooperation-flow__steps { grid-template-columns: 1fr; }
  .service-results { flex-wrap: wrap; gap: 10px; }
  .service-result__item { min-width: calc(33% - 8px); padding: 8px 4px; }
  .service-result__value { font-size: 1.1rem; }
  .hero-stages { gap: 8px; }
  .hero-stage { padding: 8px 12px; gap: 8px; }
  .hero-stage__tag { min-width: 60px; font-size: .76rem; padding: 3px 8px; }
  .hero-stage__text { font-size: .9rem; }
}

/* ============================================================
   ARTICLE LANDING PAGE (insights/*.html)
   ============================================================ */
.article-layout {
  display: grid; grid-template-columns: 1fr 320px; gap: 48px;
  max-width: var(--w); margin-inline: auto; padding: 48px 24px 80px;
  align-items: start;
}
.article-main {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card);
  box-shadow: var(--sh-1); padding: 40px 44px;
}
.article-main__breadcrumb {
  font-size: .84rem; color: var(--ink-50); margin-bottom: 20px;
}
.article-main__breadcrumb a { color: var(--brand); text-decoration: none; }
.article-main__tag {
  display: inline-block; font-size: .75rem; font-weight: 700;
  color: var(--brand-deep); background: var(--brand-light);
  padding: 4px 12px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.article-main__title {
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; line-height: 1.3;
  letter-spacing: -.02em; color: var(--ink); margin-bottom: 12px;
}
.article-main__meta {
  font-size: .85rem; color: var(--ink-50); margin-bottom: 32px;
  padding-bottom: 24px; border-bottom: 1px solid var(--border);
}
.article-body { font-size: 1rem; line-height: 1.85; color: var(--ink-80); }
.article-body h2 {
  font-size: 1.35rem; font-weight: 750; color: var(--ink);
  margin: 36px 0 16px; letter-spacing: -.01em;
}
.article-body h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--ink);
  margin: 28px 0 12px;
}
.article-body p { margin-bottom: 18px; }
.article-body strong { color: var(--brand-deep); font-weight: 700; }
.article-body ul, .article-body ol { margin: 0 0 18px 1.5em; }
.article-body ul li, .article-body ol li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--brand); background: var(--brand-light);
  padding: 16px 20px; border-radius: 0 10px 10px 0;
  margin: 24px 0; font-style: normal; color: var(--ink-80);
}
.article-body blockquote p { margin-bottom: 0; }
.article-source {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border);
  font-size: .85rem; color: var(--ink-50);
}
.article-source a { color: var(--brand); text-decoration: none; }

/* Right sidebar: contact */
.article-sidebar {
  position: sticky; top: calc(var(--header-h, 64px) + 24px);
}
.contact-card {
  background: linear-gradient(135deg, #09142b 0%, #112a52 100%);
  border-radius: var(--radius-card); padding: 32px 28px; color: #fff;
  box-shadow: 0 12px 40px rgba(7,21,40,.18);
}
.contact-card__title {
  font-size: 1.15rem; font-weight: 800; margin-bottom: 8px;
}
.contact-card__desc {
  font-size: .88rem; line-height: 1.65; color: rgba(255,255,255,.72);
  margin-bottom: 24px;
}
.contact-card__btn {
  display: block; text-align: center; text-decoration: none;
  background: var(--brand); color: #fff; font-weight: 700;
  padding: 13px 24px; border-radius: 10px; font-size: .95rem;
  margin-bottom: 24px; transition: background .2s;
}
.contact-card__btn:hover { background: #0958d9; }
.contact-card__list { list-style: none; padding: 0; margin: 0; }
.contact-card__list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .85rem; color: rgba(255,255,255,.8);
  padding: 10px 0; border-top: 1px solid rgba(255,255,255,.1);
}
.contact-card__list li:first-child { border-top: none; }
.contact-card__list a { color: rgba(255,255,255,.85); text-decoration: none; }
.contact-card__list a:hover { color: #fff; }
.contact-card__list-icon { font-size: 1.1rem; flex: 0 0 auto; }

@media (max-width: 980px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { position: static; }
  .article-main { padding: 28px 24px; }
}
@media (max-width: 640px) {
  .article-main { padding: 24px 18px; }
  .article-body { font-size: .95rem; line-height: 1.8; }
}

/* ============================================================
   LOGO IMAGE + LOCKED NAVBAR
   锁定导航栏外观：所有页面、滚动前后，颜色字体保持一致
   ============================================================ */
.wordmark-img {
  height: 42px; width: auto; display: block;
}

/* 锁定导航栏：所有页面统一外观 */
.site-header,
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(7, 21, 40, 0.06);
}
.site-header .logo,
.site-header .wordmark,
.site-header.scrolled .logo,
.site-header.scrolled .wordmark {
  color: var(--ink);
}
.site-header .main-nav a,
.site-header .site-nav > a,
.site-header .nav-item > a,
.site-header.scrolled .main-nav a,
.site-header.scrolled .site-nav > a,
.site-header.scrolled .nav-item > a {
  color: var(--ink-60);
}
.site-header .main-nav a:hover,
.site-header .nav-item:hover > a,
.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .nav-item:hover > a {
  color: var(--ink);
}
.site-header .nav-cta,
.site-header.scrolled .nav-cta {
  background: var(--grad-brand);
  color: #fff !important;
  box-shadow: var(--sh-2);
}
.site-header .nav-toggle,
.site-header.scrolled .nav-toggle {
  color: var(--ink);
}

/* 在有深色 hero 的页面（首页等）保持 navbar 文字色仍为深色 */
.site-header .wordmark img,
.site-header.scrolled .wordmark img { display: block; }

/* 强制覆盖 :not(.scrolled) 规则，确保所有页面导航文字都是深色 */
.site-header:not(.scrolled) .logo,
.site-header:not(.scrolled) .wordmark,
.site-header:not(.scrolled) .main-nav a,
.site-header:not(.scrolled) .site-nav > a,
.site-header:not(.scrolled) .nav-item > a {
  color: var(--ink-60) !important;
}
.site-header:not(.scrolled) .main-nav a:hover,
.site-header:not(.scrolled) .nav-item:hover > a {
  color: var(--ink) !important;
}