/* ============================================
   consulting_main.css
   林较瘦 /consulting 页面
   基于 huasheng.ai 设计基因提取
   ============================================ */

/* ── Override html/body for Light Theme ── */
html, body {
  background: #FAFAF8 !important;
  color: #0A0A0A !important;
  font-weight: 300;
  line-height: 1.7;
}

/* ── Ensure main content area is light ── */
main {
  background: #FFFFFF;
  color: #0A0A0A;
}

/* ── Override Nav for Light Theme ── */
.nav-light,
.nav-light.scrolled {
  background: rgba(250,250,248,0.85) !important;
  backdrop-filter: blur(24px);
  border-bottom-color: #F0EEE9 !important;
}
.nav-light .nav-brand,
.nav-light .nav-links a {
  color: #1A1A1A !important;
}
.nav-light .nav-links a:hover {
  color: #8B7140 !important;
}

/* ── Design Tokens ── */
:root {
  /* Colors — Light Mode (consulting page) */
  --c-bg: #FAFAF8;
  --c-bg-alt: #F8F8F6;
  --c-bg-warm: #F5F4F0;
  --c-card: #FFFFFF;
  --c-text: #0A0A0A;
  --c-text-secondary: rgba(10,10,10,0.55);
  --c-text-muted: rgba(10,10,10,0.65);
  --c-text-dim: rgba(10,10,10,0.4);
  --c-accent: #DC2F1A;
  --c-border: rgba(10,10,10,0.15);
  --c-border-light: #F0EEE9;
  --c-dark: #0A0A0A;
  --c-dark-text: #FFFFFF;
  --c-dark-text-muted: rgba(255,255,255,0.45);
  --c-dark-border: rgba(255,255,255,0.15);

  /* Typography — matching huasheng.ai exactly */
  --c-font-display: 'Playfair Display', Georgia, serif;
  --c-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --c-font-mono: 'Geist Mono', 'SF Mono', 'Cascadia Code', ui-monospace, monospace;
}

/* ── Container Override ── */
.consulting-hero .container,
.consulting-brochure .container,
.consulting-topics .container,
.consulting-pricing .container {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (min-width: 640px) {
  .consulting-hero .container,
  .consulting-brochure .container,
  .consulting-topics .container,
  .consulting-pricing .container { padding-left: 40px; padding-right: 40px; }
}
@media (min-width: 1024px) {
  .consulting-hero .container,
  .consulting-brochure .container,
  .consulting-topics .container,
  .consulting-pricing .container { padding-left: 80px; padding-right: 80px; }
}

/* ── Reset ── */
.consulting-hero *,
.consulting-brochure *,
.consulting-topics *,
.consulting-pricing * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.consulting-hero {
  padding: 128px 0 80px;
  background: #FFFFFF;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-text);
}

/* Breadcrumb */
.consulting-breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
  margin-bottom: 48px;
}
.consulting-breadcrumb a { color: inherit; }
.consulting-breadcrumb .current { color: var(--c-text); }
.consulting-breadcrumb .ml-auto {
  margin-left: auto;
  color: var(--c-text-dim);
}

/* Hero Grid */
.consulting-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

/* Hero Copy */
.consulting-hero-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.consulting-hero-tag span:last-child {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(10,10,10,0.7);
}

/* Dot */
.consulting-dot {
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  flex-shrink: 0;
}

/* Title */
.consulting-hero-title {
  font-family: var(--c-font-display);
  font-weight: 400;
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--c-text);
}
.consulting-hero-title .accent { color: var(--c-accent); }

/* Description */
.consulting-hero-desc {
  font-family: var(--c-font-display);
  font-style: italic;
  font-size: 20px;
  line-height: 1.55;
  color: rgba(10,10,10,0.85);
  max-width: 560px;
  margin-top: 40px;
}

/* Stats Grid */
.consulting-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}

/* Stat Cell */
.consulting-stat {
  background: var(--c-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.stat-num {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--c-font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(10,10,10,0.6);
  margin-bottom: 16px;
}
.stat-num::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  flex-shrink: 0;
}
.stat-dot {
  display: none;
}
.stat-value {
  font-family: var(--c-font-display);
  font-weight: 500;
  font-size: 32px;
  line-height: 1;
  margin-bottom: 0;
}
.stat-value .accent { color: var(--c-accent); }
.stat-value .stat-super {
  font-size: 0.55em;
  vertical-align: top;
  margin-left: 2px;
  font-style: italic;
  color: var(--c-accent);
}
.stat-label {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(10,10,10,0.6);
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  margin-top: auto;
}
.stat-sub {
  font-family: var(--c-font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-top: 8px;
}

/* Hero Actions */
.consulting-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}
.consulting-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--c-text);
  color: var(--c-dark-text);
  font-family: var(--c-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.3s;
}
.consulting-btn-primary:hover { background: var(--c-accent); }

.consulting-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border: 1px solid var(--c-text);
  background: #FFFFFF;
  color: var(--c-text);
  font-family: var(--c-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s;
}
.consulting-btn-outline:hover {
  background: var(--c-text);
  color: var(--c-dark-text);
}

.consulting-shortcut-hint {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
  margin-left: auto;
}

/* ============================================
   BROCHURE SECTION
   ============================================ */
.consulting-brochure {
  background: var(--c-bg-alt);
  padding: 64px 0;
  border-bottom: 1px solid var(--c-border);
}

.brochure-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.brochure-page-info {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brochure-page-num {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
}
.brochure-page-sep { color: rgba(10,10,10,0.3); }
.brochure-page-label {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text);
}
.brochure-fullscreen-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
}
.brochure-fullscreen-btn:hover { color: var(--c-text); }

/* Viewer */
.brochure-viewer {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 经典方案 */
  background: var(--c-card);
  border: 1px solid var(--c-border);
  box-shadow: 0 2px 30px rgba(0,0,0,0.08);
  overflow: hidden;
}
.brochure-nav {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 25%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  color: rgba(10,10,10,0.3);
  z-index: 2;
}
.brochure-nav:hover:not(:disabled) { color: var(--c-accent); }
.brochure-nav:disabled { cursor: not-allowed; opacity: 0.3; }
.brochure-prev { left: 0; justify-content: flex-start; padding-left: 16px; }
.brochure-next { right: 0; justify-content: flex-end; padding-right: 16px; }

.brochure-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.brochure-page-content {
  width: 1920px;
  height: 1080px;
  border: none;
  background: #FAFAF8;
  transform-origin: 0 0;
  position: absolute;
  top: 0; left: 0;
}
.brochure-scale-wrap {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Dots */
.brochure-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.brochure-dot {
  width: 24px;
  height: 4px;
  background: rgba(10,10,10,0.2);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.3s, width 0.3s;
}
.brochure-dot:hover { background: rgba(10,10,10,0.5); }
.brochure-dot.active { background: var(--c-accent); width: 40px; }

/* ============================================
   TOPICS SECTION
   ============================================ */
.consulting-topics {
  background: #FFFFFF;
  padding: 112px 0;
}

.consulting-topics-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.consulting-topics-tag span:last-child {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(10,10,10,0.7);
}

.consulting-topics-title {
  font-family: var(--c-font-display);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  color: var(--c-text);
}
.consulting-topics-title .accent { color: var(--c-accent); }

.consulting-topics-desc {
  font-family: var(--c-font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--c-text-muted);
  max-width: 640px;
  margin-bottom: 64px;
}

/* Topics Grid */
.topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}

.topic-card {
  background: var(--c-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 200px;
}
.topic-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topic-num {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
}
.topic-dot {
  width: 6px;
  height: 6px;
  background: var(--c-accent);
}
.topic-title {
  font-family: var(--c-font-display);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-text);
}
.topic-desc {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-muted);
  margin-top: auto;
}

/* ============================================
   CLIENTS SECTION
   ============================================ */
.consulting-clients {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border);
}
.clients-label {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: 32px;
}
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px 64px;
}
.client-item {
  display: flex;
  flex-direction: column;
}
.client-name {
  font-family: var(--c-font-display);
  font-size: 24px;
  line-height: 1.2;
  color: var(--c-text);
}
.client-name .accent { color: var(--c-accent); }
.client-en {
  font-family: var(--c-font-mono);
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-top: 4px;
}
.client-desc {
  font-size: 12px;
  color: var(--c-text-secondary);
  margin-top: 4px;
}

/* ============================================
   PRICING SECTION (Dark)
   ============================================ */
.consulting-pricing {
  background: var(--c-dark);
  color: var(--c-dark-text);
  padding: 128px 0;
}

.consulting-pricing-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

/* Pricing Left */
.pricing-label {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-dark-text-muted);
  margin-bottom: 24px;
}
.pricing-amount { margin-bottom: 4px; }
.pricing-big {
  font-family: var(--c-font-display);
  font-size: 80px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-dark-text);
}
.pricing-unit {
  font-family: var(--c-font-mono);
  font-size: 24px;
  margin-left: 16px;
  vertical-align: middle;
  color: rgba(255,255,255,0.7);
}
.pricing-type {
  font-family: var(--c-font-display);
  font-style: italic;
  font-size: 20px;
  color: rgba(255,255,255,0.65);
  max-width: 420px;
  margin-bottom: 48px;
}

/* Pricing Contact */
.pricing-contact {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.pricing-contact-row {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--c-dark-border);
}
.pricing-contact-label {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-dark-text-muted);
  width: 80px;
  flex-shrink: 0;
}
.pricing-contact-value {
  font-family: var(--c-font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--c-dark-text);
  text-decoration: none;
}
a.pricing-contact-value:hover { color: var(--c-accent); }

/* Download Card */
.download-label {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-dark-text-muted);
  margin-bottom: 24px;
}
.download-card {
  display: block;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 32px;
  text-decoration: none;
  color: var(--c-dark-text);
  transition: border-color 0.3s, background-color 0.3s;
}
.download-card:hover {
  border-color: var(--c-accent);
  background: var(--c-accent);
}
.download-card-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}
.download-format {
  font-family: var(--c-font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.download-title {
  font-family: var(--c-font-display);
  font-size: 28px;
  line-height: 1.3;
  margin-top: 12px;
}
.download-title .accent { color: var(--c-accent); }
.download-card:hover .download-title .accent { color: #FFFFFF; }
.download-footer {
  font-family: var(--c-font-mono);
  font-size: 14px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: right;
  transition: border-color 0.3s;
}
.download-card:hover .download-footer { border-top-color: rgba(255,255,255,0.4); }

.download-footnote {
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-top: 16px;
  text-align: center;
}

/* Consulting Footer */
.consulting-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 0;
  margin-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-family: var(--c-font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.consulting-footer a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.3s;
}
.consulting-footer a:hover { color: #FFFFFF; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
  .consulting-stat { padding: 32px; }
  .stat-value { font-size: 42px; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-card { padding: 40px; }
  .consulting-footer { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1024px) {
  .consulting-hero { padding: 160px 0 96px; }
  .consulting-hero-grid { grid-template-columns: 1.4fr 1fr; gap: 80px; }
  .consulting-hero-title { font-size: 112px; }
  .consulting-hero-desc { font-size: 26px; }

  .consulting-brochure { padding: 96px 0; }

  .consulting-topics { padding: 112px 0; }
  .consulting-topics-desc { font-size: 20px; }
  .consulting-topics-title { font-size: 64px; }
  .topics-grid { grid-template-columns: repeat(3, 1fr); }
  .topic-card { padding: 40px; }
  .topic-title { font-size: 26px; }
  .topic-desc { font-size: 14px; }

  .consulting-pricing-inner { grid-template-columns: 1fr 1fr; gap: 96px; }
  .pricing-big { font-size: 120px; }
  .pricing-unit { font-size: 32px; }
}

/* ── Share Toast ── */
.share-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: #0A0A0A;
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: var(--c-font-sans);
  font-size: 14px;
  line-height: 1.5;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.share-toast.show {
  opacity: 1;
}