/*
 * 江总 AI 获客｜咨询公司式视觉系统
 * 目标：结论先行、信息分层、强网格、克制配色、统一阅读体验。
 */
:root {
  --bg: #f4f6f8 !important;
  --card: #ffffff !important;
  --ink: #071b33 !important;
  --sub: #51606f !important;
  --brand: #0b4db3 !important;
  --brand2: #087e8b !important;
  --line: #d8dee6 !important;
  --soft: #edf2f7 !important;
  --navy: #071b33;
  --blue: #0b4db3;
  --cyan: #00a6a6;
  --paper: #ffffff;
  --mist: #f4f6f8;
  --muted: #5b6875;
  --hairline: #d8dee6;
  --shadow: 0 18px 48px rgba(7, 27, 51, 0.08);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--navy) !important;
  background: var(--mist) !important;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif !important;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: .005em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 100;
  background: linear-gradient(90deg, var(--blue) 0 72%, var(--cyan) 72% 100%);
}

a { color: var(--blue) !important; text-underline-offset: 3px; }
a:hover { color: #063a88 !important; }

.wrap { max-width: 1160px !important; padding-inline: 28px !important; }

header {
  position: sticky !important;
  top: 0;
  z-index: 50 !important;
  border-bottom: 1px solid rgba(7, 27, 51, .12) !important;
  background: rgba(255, 255, 255, .96) !important;
  backdrop-filter: blur(14px);
}

header .nav,
header nav.wrap,
header > .wrap {
  min-height: 72px !important;
}

.nav,
header nav.wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo,
header strong {
  color: var(--navy) !important;
  font-size: 17px !important;
  font-weight: 800 !important;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.logo::after,
header nav.wrap > strong::after {
  content: "  /  增长策略与 AI 落地";
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
}

.logo span { color: var(--blue) !important; }

.nav nav,
header .nav nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a,
header nav.wrap > a,
header .nav nav a {
  margin: 0 !important;
  color: #344659 !important;
  font-size: 13px !important;
  font-weight: 650;
  text-decoration: none !important;
}

.nav a:hover,
header nav.wrap > a:hover,
header .nav nav a:hover { color: var(--blue) !important; }

/* 首页：结论先行的首屏 */
main > .hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 86px !important;
  color: #fff !important;
  background: var(--navy) !important;
}

main > .hero::after {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -230px;
  top: -230px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  box-shadow: 0 0 0 84px rgba(255,255,255,.035), 0 0 0 168px rgba(255,255,255,.025);
}

main > .hero .wrap { position: relative; z-index: 1; }

main > .hero .eyebrow {
  margin: 0 0 22px;
  color: #75d7dc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

main > .hero h1 {
  max-width: 880px;
  margin: 0 0 24px !important;
  color: #fff !important;
  font-size: clamp(40px, 6vw, 74px) !important;
  font-weight: 760 !important;
  line-height: 1.08 !important;
  letter-spacing: -.045em;
}

main > .hero > .wrap > p:not(.eyebrow) {
  max-width: 760px !important;
  margin: 0;
  color: #d6e0ea !important;
  font-size: clamp(17px, 2vw, 21px) !important;
  line-height: 1.7;
}

.cta { gap: 12px !important; margin-top: 36px !important; }

.btn,
.cta a {
  border-radius: 0 !important;
  padding: 14px 22px !important;
  font-size: 14px !important;
  font-weight: 750 !important;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}

.btn:hover,
.cta a:hover { transform: translateY(-2px); }
.btn.w { background: #fff !important; color: var(--navy) !important; }
.btn.o { border: 1px solid rgba(255,255,255,.5) !important; color: #fff !important; }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 860px;
  margin-top: 54px;
  border-top: 1px solid rgba(255,255,255,.24);
}

.hero-metric { padding: 22px 24px 0 0; }
.hero-metric strong { display: block; color: #fff; font-size: 27px; line-height: 1.1; }
.hero-metric span { display: block; margin-top: 8px; color: #afbdca; font-size: 12px; letter-spacing: .08em; }

/* 首页：章节系统 */
main > section {
  padding: 84px 0 !important;
  border-bottom: 1px solid var(--hairline) !important;
  background: var(--paper);
}

main > section:nth-of-type(even) { background: var(--mist); }

main > section h2 {
  max-width: 850px;
  margin: 0 0 12px !important;
  color: var(--navy) !important;
  font-size: clamp(28px, 3.2vw, 44px) !important;
  font-weight: 730 !important;
  line-height: 1.18;
  letter-spacing: -.035em;
}

main > section h2::before {
  display: block;
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

#about h2::before { content: "Executive perspective"; }
#salon h2::before { content: "01 / Diagnose"; }
#course h2::before { content: "02 / Build capability"; }
#partner h2::before { content: "03 / Scale"; }
#ganhuo h2::before { content: "Insights"; }
#wechat h2::before { content: "Conversion system"; }
#trust h2::before { content: "Governance"; }
#faq h2::before { content: "Key questions"; }

main > section h2 .t { color: var(--blue) !important; }
.lead {
  max-width: 760px;
  margin-bottom: 34px !important;
  color: var(--muted) !important;
  font-size: 17px !important;
  line-height: 1.7;
}

.cards {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 1px !important;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--hairline);
}

.card,
.wechat-card {
  position: relative;
  min-width: 0;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  padding: 30px !important;
  background: var(--paper) !important;
  box-shadow: none !important;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 38px;
  height: 3px;
  background: var(--blue);
}

.card h3,
.wechat-card h3 {
  margin: 0 0 12px !important;
  color: var(--navy) !important;
  font-size: 19px !important;
  line-height: 1.35;
  letter-spacing: -.015em;
}

.card p,
.wechat-card p { color: var(--muted) !important; font-size: 14px !important; }
.card .price { color: var(--blue) !important; font-size: 19px !important; }
.tag { border-radius: 0 !important; background: var(--soft) !important; color: var(--blue) !important; }

.about {
  position: relative;
  max-width: 960px;
  border: 0 !important;
  border-left: 5px solid var(--cyan) !important;
  border-radius: 0 !important;
  padding: 30px 34px !important;
  background: #e9f1f7 !important;
  color: #23384c !important;
  font-size: 17px !important;
}

.about b,
.about strong { color: var(--navy) !important; }

#ganhuo .wrap > h3 {
  margin: 42px 0 12px !important;
  color: var(--navy) !important;
  font-size: 13px !important;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.wechat-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 1px !important;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--hairline);
}

.qr-image { max-width: 220px !important; border-radius: 0 !important; }
.qr-figure figcaption { color: var(--muted) !important; }

.faq {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(0, 1.5fr);
  gap: 28px;
  margin: 0 !important;
  border: 0 !important;
  border-top: 1px solid var(--hairline) !important;
  border-radius: 0 !important;
  padding: 24px 0 !important;
  background: transparent !important;
}

.faq:last-child { border-bottom: 1px solid var(--hairline) !important; }
.faq q { padding: 0 !important; color: var(--navy); font-weight: 750 !important; }
.faq p { padding: 0 !important; color: var(--muted) !important; }

/* 内容页：咨询报告式阅读模板 */
body > .hero {
  padding: 70px 0 64px !important;
  color: #fff !important;
  background: var(--navy) !important;
}

body > .hero h1 {
  max-width: 920px;
  margin: 0 0 12px !important;
  color: #fff !important;
  font-size: clamp(38px, 5vw, 58px) !important;
  line-height: 1.12;
  letter-spacing: -.04em;
}

body > .hero p { color: #c9d6e3 !important; font-size: 18px; }

.post,
main.wrap:has(.content) {
  max-width: 900px !important;
  padding-top: 62px !important;
  padding-bottom: 54px !important;
}

.post .kicker {
  margin-bottom: 16px;
  color: var(--blue) !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  letter-spacing: .16em !important;
  text-transform: uppercase;
}

.post > h1,
main.wrap .hero h1 {
  margin: 0 0 18px !important;
  color: var(--navy) !important;
  font-size: clamp(36px, 5.4vw, 58px) !important;
  font-weight: 750 !important;
  line-height: 1.15 !important;
  letter-spacing: -.04em;
}

.article-meta {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hairline);
  color: var(--muted) !important;
  font-size: 12px !important;
}

.post > p:not(.article-meta),
.content > p,
main.wrap > .card p {
  color: #2c3e50 !important;
  font-size: 17px !important;
  line-height: 1.9 !important;
}

.post h2,
.content h2,
main.wrap > .card h2 {
  margin: 52px 0 16px !important;
  color: var(--navy) !important;
  font-size: clamp(24px, 3vw, 31px) !important;
  font-weight: 750 !important;
  line-height: 1.3;
  letter-spacing: -.025em;
}

.post h2 .n,
.number { color: var(--blue) !important; }

.post ul,
.post ol,
.content ul,
.content ol { margin: 14px 0 24px 1.25em !important; }

.post li,
.content li { margin: 10px 0 !important; color: #2c3e50 !important; }
.post strong,
.content strong { color: var(--navy) !important; }

.box,
.notice,
.note {
  border: 0 !important;
  border-left: 5px solid var(--cyan) !important;
  border-radius: 0 !important;
  padding: 22px 24px !important;
  background: #e9f1f7 !important;
}

.steps li {
  border: 0 !important;
  border-bottom: 1px solid var(--hairline) !important;
  border-radius: 0 !important;
  padding: 16px 16px 16px 52px !important;
  background: #fff !important;
}

.steps li::before { border-radius: 0 !important; background: var(--blue) !important; }

.post .cta {
  margin: 44px 0 !important;
  border-radius: 0 !important;
  padding: 34px !important;
  background: var(--navy) !important;
  text-align: left !important;
}

.post .cta h3 { color: #fff !important; font-size: 24px !important; }
.post .cta p { color: #d4dfeb !important; }
.post .cta a { color: var(--navy) !important; background: #fff !important; }

.related {
  margin: 36px 0 !important;
  border: 1px solid var(--hairline);
  border-radius: 0 !important;
  padding: 24px !important;
  background: #fff !important;
}

.related div { gap: 0 !important; }
.related a {
  margin: 8px 8px 0 0;
  border: 0 !important;
  border-bottom: 1px solid var(--hairline) !important;
  border-radius: 0 !important;
  background: transparent !important;
}

main.wrap > .card {
  margin-bottom: 1px !important;
  border: 1px solid var(--hairline) !important;
  padding: 34px !important;
}

main.wrap > .card h2 { margin-top: 0 !important; }

footer {
  margin-top: 0 !important;
  border-top: 0 !important;
  padding: 50px 0 64px !important;
  color: #b9c6d3 !important;
  background: var(--navy) !important;
  text-align: left !important;
}

footer a { color: #fff !important; }
footer .em { color: #75d7dc !important; }

@media (max-width: 820px) {
  .wrap { padding-inline: 20px !important; }
  header .nav, header nav.wrap, header > .wrap { min-height: 64px !important; }
  .logo::after, header nav.wrap > strong::after { display: none; }
  .nav nav, header .nav nav { gap: 14px; overflow-x: auto; }
  .nav a, header .nav nav a { white-space: nowrap; }
  main > .hero { padding: 72px 0 64px !important; }
  main > section { padding: 64px 0 !important; }
  .cards { grid-template-columns: 1fr !important; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metric { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
  .wechat-grid { grid-template-columns: 1fr !important; }
  .faq { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 560px) {
  header .nav { align-items: flex-start; flex-direction: column; gap: 0; padding-block: 12px; }
  header .nav nav { width: 100%; padding-top: 8px; }
  header nav.wrap { min-height: 58px !important; }
  main > .hero h1, .post > h1, body > .hero h1 { font-size: 36px !important; }
  main > section h2 { font-size: 30px !important; }
  .card, .wechat-card { padding: 24px !important; }
  .about { padding: 24px !important; }
  .post { padding-top: 42px !important; }
  .post .cta { padding: 26px !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}