/* ============================================
   仙桃市紫藤咨询有限公司 — Wisteria Partners
   视觉调性：刚健 · 精准 · 权威（麦肯锡/贝恩级商务风）
   品牌主色：#150C1D（深蓝紫底）+ 白字 + #C49A3C（古金点缀）
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

:root {
  /* Base — #150C1D deep blue-purple derived palette */
  --bg-primary: #150C1D;
  --bg-surface: #1A0F28;
  --bg-alt: #22182F;
  --bg-elevated: #2A1C38;

  /* Brand — 紫藤 (deep amethyst, not pastel) */
  --brand: #5C3D99;
  --brand-dark: #3D2570;
  --brand-light: #7B4FC4;
  --brand-glow: rgba(91,61,153,0.15);

  /* Gold accent — metallic precision */
  --gold: #C49A3C;
  --gold-dark: #8B6B2A;
  --gold-light: #D4AA5C;
  --gold-soft: rgba(196,154,60,0.08);
  --gold-bg-light: rgba(196,154,60,0.05);
  --gold-border-light: rgba(196,154,60,0.18);
  --gold-border-subtle: rgba(196,154,60,0.12);
  --gold-border: rgba(196,154,60,0.20);

  /* Text */
  --text: #FFFFFF;
  --text-secondary: rgba(255,255,255,0.65);
  --text-muted: rgba(255,255,255,0.32);
  --text-inverse: #150C1D;

  /* Borders — hairline precision */
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --border-brand: rgba(91,61,153,0.25);
  --border-gold: var(--gold-border);
  --gold-bg-subtle: rgba(196,154,60,0.03);

  /* Radius — sharp & professional */
  --radius-sm: 2px;
  --radius: 4px;
  --radius-card: 4px;

  /* Typography */
  --font-sans: "Noto Sans SC", "PingFang SC", -apple-system, sans-serif;
  --font-display: "Noto Sans SC", "PingFang SC", -apple-system, sans-serif;

  /* Elevation — flat, no fluff */
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.4);

  /* Spacing */
  --space-section: 100px;
  --space-section-sm: 60px;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
 background: #150C1D;
 background-color: #150C1D;
 color: var(--text);
 font-family: var(--font-sans);
 font-size: 16px;
 line-height: 1.6;
 -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ========== CONTAINER ========== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #150C1D;
  border-bottom: 1px solid var(--border);
}
.nav-container {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.logo-icon img { width: 100%; height: 100%; object-fit: contain; }
.logo-icon-fallback { display: none; }

.logo-text {
  font-family: var(--font-sans);
  font-size: 1.05rem; font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}
.logo-accent { color: var(--gold); }

.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: color 0.2s;
  padding: 12px 0;
  border-bottom: 2px solid transparent;
}
.nav-menu a:hover, .nav-menu .active {
  color: var(--text);
  border-bottom-color: var(--gold);
}
.nav-cta {
  background: var(--gold);
  color: var(--text-inverse);
  padding: 8px 22px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  transition: background 0.2s;
}
.nav-cta:hover {
  background: var(--gold-light);
  color: var(--text-inverse);
}

/* Hamburger menu — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== HERO ========== */
.hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
 content: none;
}
.hero-content { position: relative; max-width: 880px; }

.hero-tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-border);
  padding: 5px 14px;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight {
 color: var(--gold-light);
}
.hero p {
  font-size: 1.05rem; line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 36px;
}

/* Trust bar */
.hero-metrics {
  display: flex; gap: 36px;
  margin-bottom: 40px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hero-metrics .metric { text-align: left; }
.hero-metrics .metric-num {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.hero-metrics .metric-label {
  font-size: 0.72rem; font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.5px; text-transform: uppercase;
  margin-top: 2px;
}

.hero-actions { display: flex; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--brand);
  color: var(--text);
}
.btn-primary:hover {
  background: var(--brand-light);
}
.btn-outline {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}
.btn-gold {
  background: var(--gold);
  color: var(--text-inverse);
}
.btn-gold:hover {
  background: var(--gold-light);
}

/* ========== SECTION HEADERS ========== */
.section {
  padding: var(--space-section) 0;
}
.section + .section {
  border-top: 1px solid var(--border);
}
.section-header {
  margin-bottom: 52px;
}
.section-label {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 560px;
  line-height: 1.6;
}

/* ========== SERVICE CARDS ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all 0.25s;
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.service-card:hover {
  border-color: var(--border-brand);
  background: var(--bg-alt);
}
.service-card.num-1::before { background: var(--brand); }
.service-card.num-2::before { background: var(--gold); }
.service-card.num-3::before { background: var(--brand-light); }
.service-card.num-4::before { background: var(--gold); }

.service-card .card-num {
  font-family: var(--font-display);
  font-size: 2.6rem; font-weight: 800;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -2px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}
.service-card p {
  font-size: 0.9rem; line-height: 1.65;
  color: var(--text-secondary);
}

/* ========== CASE STUDIES ========== */
.feature-case { max-width: 880px; }
.cases-list { display: flex; flex-direction: column; gap: 10px; max-width: 880px; }
.case-item {
  display: flex; align-items: center;
  gap: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 0;
  transition: all 0.2s;
}
.case-item:hover {
  border-color: var(--border-gold);
  background: var(--bg-alt);
}
.case-region {
  flex-shrink: 0;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-border);
  padding: 4px 10px;
  width: 110px;
  text-align: left;
}
.case-desc {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.case-desc strong { color: var(--text); font-weight: 600; }
.case-result {
  flex-shrink: 0;
  font-size: 0.78rem; font-weight: 700;
  color: var(--gold-light);
  text-align: right;
  white-space: nowrap;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

/* ========== INSIGHTS / CTA SECTION ========== */
.cta-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
 content: none;
}
.cta-section h2 {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 700;
  margin-bottom: 12px;
}
.cta-section p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 500px;
  margin: 0 auto 28px;
}

/* ========== ABOUT PAGE ========== */
.story-block { max-width: 720px; }
.story-block p {
  font-size: 1rem; line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.story-block strong { color: var(--text); font-weight: 600; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.about-stat {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}
.about-stat .num {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 800;
  color: var(--brand-light);
}
.about-stat .label {
  font-size: 0.72rem; font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px; text-transform: uppercase;
  margin-top: 4px;
}

/* ========== CONTACT PAGE ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.contact-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.contact-row:last-child { border-bottom: none; }
.contact-row .icon {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-glow);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact-row .icon img, .contact-row .icon svg {
  width: 14px; height: 14px;
  filter: brightness(0) invert(1);
}
.contact-row strong { color: var(--text); }
.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--gold);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-submit {
  width: 100%;
  padding: 12px;
  background: var(--gold);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
.form-submit:hover { background: var(--gold-light); }
.form-submit:active { transform: scale(0.98); }

/* ========== INSIGHTS PAGE ========== */
.insights-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 880px;
}
.insight-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  background: var(--bg-surface);
  border: 1px solid var(--gold-border-light);
  border-radius: var(--radius-card);
  transition: all 0.2s;
}
.insight-item:hover {
  border-color: var(--border-gold);
  background: var(--bg-alt);
}
.insight-tag {
  flex-shrink: 0;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-border);
  padding: 4px 10px;
  width: 110px;
  text-align: left;
}
.insight-content {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.insight-content h4 {
  font-family: var(--font-display);
  font-size: 0.92rem; font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}
.insight-content p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.insight-date {
  flex-shrink: 0;
  font-size: 0.68rem; font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  white-space: nowrap;
  text-align: right;
}

/* ========== FOOTER ========== */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: var(--space-section);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand .logo-text { font-size: 1rem; }
.footer-brand p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: 12px;
  max-width: 320px;
}
footer h4 {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
footer a {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  transition: color 0.2s;
}
footer a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex; justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.compliance-note,
.form-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--gold-border-subtle);
  color: var(--text-muted);
  font-size: 0.76rem;
  line-height: 1.7;
}
.form-note {
  margin-bottom: 0;
  padding-top: 12px;
}

/* ========== ARTICLE READABILITY ========== */
.article-body {
  max-width: 760px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.article-body p {
  margin-bottom: 18px;
}
.article-body h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--text);
}
.article-body h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text);
}
.article-body ul,
.article-body ol {
  margin-bottom: 18px;
  padding-left: 22px;
}
.article-body li + li {
  margin-top: 8px;
}
.highlight-block {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
}
.cta-block {
  margin: 28px 0;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-secondary);
}
.cta-block a {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
  transition: opacity 0.2s;
}
.cta-block a:hover {
  opacity: 0.8;
}

/* ========== UTILITY ========== */
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }

/* ========== HAMBURGER MENU JS (inlined in each page) ========== */
/* CSS-only part handled in nav-toggle above; JS toggle in each HTML */

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .case-item { flex-wrap: wrap; }
  .case-result { border-left: none; padding-left: 0; text-align: left; width: 100%; }
  .hero h1 { font-size: 2.6rem; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero-metrics { flex-wrap: wrap; gap: 20px; }
  .hero-actions { flex-direction: column; }
  .services-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 36px 24px; }
  .section-title { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  /* Hamburger visible */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #150C1D;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a {
    padding: 14px 24px;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.8px;
  }
  .nav-menu a:last-child { border-bottom: none; }
  .nav-menu .nav-cta {
    margin: 8px 24px;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; letter-spacing: 0; }
  .hero { padding: 130px 0 60px; }
  .hero-metrics { flex-direction: column; gap: 12px; }
  .hero p { font-size: 0.92rem; }
  .section-title { font-size: 1.2rem; }
  .container { padding: 0 16px; }
}
/* ========== VISUAL POLISH OVERRIDES ========== */
:root {
  --bg-primary: #150C1D;
  --bg-surface: #1B1028;
  --bg-alt: #231834;
  --bg-elevated: #2B1E3F;
  --brand: #6A44B5;
  --brand-dark: #40256F;
  --brand-light: #8C67E0;
  --brand-glow: rgba(106,68,181,0.14);
  --gold: #D4A84B;
  --gold-dark: #9E7423;
  --gold-light: #E7C36B;
  --gold-soft: rgba(212,168,75,0.08);
  --gold-bg-light: rgba(212,168,75,0.06);
  --gold-border-light: rgba(212,168,75,0.18);
  --gold-border-subtle: rgba(212,168,75,0.12);
  --gold-border: rgba(212,168,75,0.26);
  --text-secondary: rgba(255,255,255,0.72);
  --text-muted: rgba(255,255,255,0.38);
}

body {
  background: #150C1D;
  letter-spacing: 0.01em;
}

body > * {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1200px;
  padding: 0 28px;
}

.navbar {
  background: #150C1D;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-container {
  height: 68px;
}

.logo-text {
  letter-spacing: 0.3px;
}

.hero {
  padding: 146px 0 72px;
}

.hero::before {
  content: none;
}

.hero-content {
  max-width: 920px;
}

.hero-tag {
  border-color: rgba(255,255,255,0.10);
  background: var(--bg-surface);
}

.hero h1 {
  letter-spacing: -0.8px;
}

.hero p {
  max-width: 700px;
  line-height: 1.82;
}

.btn {
  border-radius: 10px;
}

.btn-primary,
.btn-gold {
  box-shadow: none;
}

.btn-outline {
  border-color: rgba(255,255,255,0.14);
  background: var(--bg-surface);
}

.btn-outline:hover {
  background: var(--bg-alt);
  border-color: rgba(212,168,75,0.55);
}

.section {
  padding: 86px 0;
}

.section + .section {
  border-top-color: rgba(255,255,255,0.06);
}

.section-header {
  margin-bottom: 44px;
}

.section-title {
  letter-spacing: -0.5px;
}

.section-desc,
.story-block p,
.case-desc,
.service-card p,
.cta-section p,
.feature-side span,
.contact-form,
.contact-info-card p {
  line-height: 1.78;
}

.service-card,
.case-item,
.cta-section,
.contact-form,
.contact-info-card,
.about-stat,
.story-block,
.insight-item {
  border-color: rgba(212,168,75,0.12);
  box-shadow: none;
}

.service-card {
  background: var(--bg-surface);
}

.service-card:hover,
.case-item:hover,
.insight-item:hover {
  transform: translateY(-2px);
  border-color: rgba(212,168,75,0.26);
  box-shadow: none;
}

.service-card::before {
  width: 4px;
}

.case-item {
  background: var(--bg-surface);
  align-items: flex-start;
  padding: 18px 20px;
}

.case-region {
  border-color: rgba(212,168,75,0.18);
  background: var(--bg-surface);
}

.case-result {
  color: var(--gold);
}

.cta-section {
  background: var(--bg-surface);
  overflow: hidden;
}

.cta-section::before {
  height: 4px;
}

.footer-grid {
  padding-top: 8px;
}

.footer-bottom {
  border-top-color: rgba(255,255,255,0.08);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-surface);
  border-color: rgba(212,168,75,0.14);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(212,168,75,0.55);
  box-shadow: none;
}

.form-submit {
  box-shadow: none;
}

@media (max-width: 992px) {
  .container {
    padding: 0 22px;
  }
  .hero {
    padding: 132px 0 64px;
  }
  .section {
    padding: 74px 0;
  }
}

@media (max-width: 768px) {
.navbar {
  background: #150C1D;
}
  .nav-container {
    height: 62px;
  }
  .container {
    padding: 0 18px;
  }
  .hero {
    padding: 116px 0 58px;
  }
.hero::before {
  content: none;
}
  .section {
    padding: 64px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .cta-section {
    padding: 36px 24px;
  }
}

/* ========== BRAND SCALE ========== */
/* Keep the mark and name visually balanced with the navigation labels. */
.nav-container {
  height: 96px;
}

.nav-logo {
  gap: 18px;
}

.logo-icon {
  width: 72px;
  height: 72px;
}

.logo-text {
  font-size: 2rem;
  letter-spacing: 0.6px;
}

.footer-brand .logo-text {
  font-size: 1.6rem;
}

@media (max-width: 768px) {
  .nav-container {
    height: 82px;
  }

  .nav-logo {
    gap: 14px;
  }

  .logo-icon {
    width: 63px;
    height: 63px;
  }

  .logo-text {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .logo-icon {
    width: 57px;
    height: 57px;
  }

  .logo-text {
    font-size: 1.6rem;
  }
}

/* ========== TYPOGRAPHY DISCIPLINE OVERRIDES ========== */
:root {
  --font-sans: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Heiti SC", sans-serif;
  --font-display: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Heiti SC", sans-serif;
}

html,
body {
  font-family: var(--font-sans);
  letter-spacing: 0 !important;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body,
button,
input,
textarea,
select {
  font-family: var(--font-sans);
}

h1,
h2,
h3,
h4,
.section-title,
.hero h1,
.hero-title,
.service-card h3,
.case-title,
.logo-text {
  font-family: var(--font-display) !important;
  letter-spacing: 0 !important;
}

.hero h1 .highlight,
.hero-title .highlight {
  color: var(--gold) !important;
  background: none !important;
  -webkit-text-fill-color: currentColor !important;
}

.nav-menu a,
.nav-cta,
.btn,
.form-submit,
.section-label,
.hero-tag,
.hero-kicker,
.hero-credos-label,
.hero-goal-label,
.insight-tag,
.case-region,
.metric-label,
.hero-metrics .metric-label {
  font-family: var(--font-sans) !important;
  letter-spacing: 0.04em !important;
  text-transform: none !important;
}

.section-label,
.hero-tag,
.hero-kicker,
.hero-credos-label,
.hero-goal-label {
  color: var(--gold) !important;
  font-size: 0.76rem !important;
  font-weight: 700 !important;
  line-height: 1.4;
}

.hero-subtitle,
.hero-body,
.section-desc,
.story-block p,
.service-card p,
.case-desc,
.contact-info-card p,
.footer-brand p {
  letter-spacing: 0 !important;
}

.hero-title {
  max-width: 860px;
}

.hero-credos,
.hero-goal {
  max-width: 700px;
}

.hero-credos-lines strong,
.hero-goal-copy {
  font-family: var(--font-display) !important;
  letter-spacing: 0 !important;
  font-weight: 700;
}

.hero-metrics {
  max-width: 720px;
}

.hero-metrics .metric-num,
.about-stat .num {
  font-family: var(--font-display) !important;
  letter-spacing: 0 !important;
  color: var(--gold);
}

.btn,
.nav-cta,
.form-submit {
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  body > * {
    max-width: 100vw;
  }

  .container,
  .nav-container {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .hero-shell,
  .hero-content,
  .hero-subtitle,
  .hero-body,
  .hero-credos,
  .hero-goal,
  .hero-metrics {
    width: 100% !important;
    max-width: 100% !important;
  }

  .hero-title,
  .hero h1 {
    font-size: 1.82rem !important;
    line-height: 1.18 !important;
    max-width: 100% !important;
    overflow-wrap: anywhere;
  }

  .hero-title .highlight,
  .hero h1 .highlight {
    display: block;
    margin-top: 4px;
  }

  .hero-subtitle {
    line-height: 1.65;
  }

  .hero-subtitle,
  .hero-body,
  .hero-goal-copy,
  .hero-credos-lines strong {
    white-space: normal !important;
    word-break: break-all !important;
    overflow-wrap: break-word;
  }

  .hero-body {
    font-size: 0.96rem !important;
  }

  .hero-goal-copy,
  .hero-credos-lines strong {
    font-size: 1.02rem !important;
    line-height: 1.55 !important;
  }

  .hero-actions .btn,
  .btn-gold {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .container,
  .nav-container {
    width: 100% !important;
    max-width: 390px !important;
    min-width: 0 !important;
    overflow: hidden;
  }

  .navbar .container,
  .nav-container {
    max-width: 100% !important;
    overflow: visible;
  }

  .nav-toggle {
    position: fixed;
    top: 17px;
    right: auto;
    left: calc(min(100vw, 390px) - 46px);
    z-index: 1100;
  }

  .hero-content,
  .section-header,
  .section-desc,
  .service-strong-card,
  .service-principle,
  .case-feature,
  .case-list-tight .case-item,
  .contact-form,
  .founder-contact-card,
  .cta-section {
    width: 100% !important;
    max-width: 320px !important;
    min-width: 0 !important;
  }

  .hero-content *,
  .service-strong-card *,
  .service-principle,
  .case-feature *,
  .case-list-tight .case-item *,
  .contact-form *,
  .founder-contact-card * {
    white-space: normal !important;
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
  }
}