/* ============================================
   众力聚鑫咨询 - 全站样式
   ============================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-dark: #0f172a;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --rule: #e2e8f0;
  --rule-light: #f1f5f9;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #3b82f6;
  --accent-bg: #eff6ff;
  --accent2: #7c3aed;
  --accent2-light: #8b5cf6;
  --accent2-bg: #f5f3ff;
  --gold: #d97706;
  --gold-light: #f59e0b;
  --gold-bg: #fffbeb;
  --green: #059669;
  --green-light: #10b981;
  --green-bg: #ecfdf5;
  --red: #dc2626;
  --red-light: #ef4444;
  --red-bg: #fef2f2;
  --cyan: #0891b2;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-dark); }

img { max-width: 100%; height: auto; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Navigation ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.nav-logo span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}
.nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--ink);
}

/* ========== Hero ========== */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 50%, #fffbeb 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -50px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-bg);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 50px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--ink);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 540px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-bg);
}
.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}
.hero-stat .label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}
.hero-visual {
  position: relative;
}
.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 28px;
  position: relative;
}
.hero-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-light);
}
.hero-card-row:last-child { border-bottom: none; }
.hero-card-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}
.hero-card-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.hero-card-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.hero-card-value.up { color: var(--green); }

/* ========== Sections ========== */
.section {
  padding: 80px 0;
}
.section.alt {
  background: var(--bg-soft);
}
.section-dark {
  background: var(--bg-dark);
  color: #fff;
  padding: 80px 0;
}
.section-dark h2 { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,0.6); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-dark .section-tag {
  background: rgba(59,130,246,0.15);
  color: #93c5fd;
}
.section h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section h2 em {
  font-style: normal;
  color: var(--accent);
}
.section-dark h2 em { color: var(--accent-light); }
.section-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ========== Service Cards ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity 0.25s;
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  background: var(--accent-bg);
}
.service-card:nth-child(2) .service-icon { background: var(--accent2-bg); }
.service-card:nth-child(3) .service-icon { background: var(--gold-bg); }
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}
.service-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-features {
  list-style: none;
  margin-bottom: 20px;
}
.service-features li {
  padding: 5px 0;
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 12px;
}
.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.service-link:hover { gap: 8px; }

/* ========== Audience / Target Customers ========== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.audience-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 24px;
  border-top: 3px solid var(--accent);
  transition: all 0.2s;
}
.audience-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.audience-card:nth-child(2) { border-top-color: var(--accent2); }
.audience-card:nth-child(3) { border-top-color: var(--gold); }
.audience-card:nth-child(4) { border-top-color: var(--green); }
.audience-icon { font-size: 28px; margin-bottom: 12px; }
.audience-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.audience-card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
  line-height: 1.6;
}
.audience-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.audience-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 500;
}
.audience-card:nth-child(2) .audience-tag { background: var(--accent2-bg); color: var(--accent2); }
.audience-card:nth-child(3) .audience-tag { background: var(--gold-bg); color: var(--gold); }
.audience-card:nth-child(4) .audience-tag { background: var(--green-bg); color: var(--green); }

/* ========== Cases ========== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.case-image {
  height: 180px;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
}
.case-card:nth-child(2) .case-image { background: linear-gradient(135deg, var(--gold-bg), var(--accent-bg)); }
.case-card:nth-child(3) .case-image { background: linear-gradient(135deg, var(--green-bg), var(--accent-bg)); }
.case-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.9);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
}
.case-content { padding: 24px; }
.case-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}
.case-content p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
}
.case-metric { text-align: center; }
.case-metric .val {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}
.case-metric .lbl {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* ========== Pricing ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s;
}
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}
.pricing-card:hover {
  box-shadow: var(--shadow-xl);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 20px;
  letter-spacing: 1px;
}
.pricing-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.pricing-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}
.pricing-price {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule-light);
}
.pricing-price .amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink);
}
.pricing-price .unit {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}
.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 24px;
}
.pricing-features li {
  padding: 7px 0;
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-btn {
  width: 100%;
  padding: 10px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--rule);
  color: var(--ink);
  transition: all 0.2s;
}
.pricing-btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pricing-btn:hover {
  background: var(--accent-dark);
  color: #fff;
  border-color: var(--accent-dark);
}

/* ========== Process ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step-card {
  text-align: center;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  position: relative;
}
.step-num {
  width: 40px; height: 40px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.step-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ========== Testimonials ========== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
}
.testimonial-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}
.testimonial-text::before {
  content: '"';
  position: absolute;
  left: 0; top: -5px;
  font-size: 32px;
  color: var(--accent);
  font-weight: 700;
  line-height: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--muted); }

/* ========== CTA Section ========== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  max-width: 540px;
  margin: 0 auto 32px;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-buttons .btn-primary {
  background: var(--accent-light);
}
.cta-buttons .btn-primary:hover {
  background: var(--accent);
}
.cta-buttons .btn-secondary {
  background: transparent;
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.cta-buttons .btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ========== Footer ========== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ========== Page Header (inner pages) ========== */
.page-header {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.page-header h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 12px;
}
.page-header p {
  font-size: 16px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* ========== Forms ========== */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ========== Contact Info ========== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.contact-info-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  text-align: center;
}
.contact-info-icon {
  width: 48px; height: 48px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: var(--accent-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.contact-info-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.contact-info-card p {
  font-size: 13px;
  color: var(--muted);
}

/* ========== About / Team ========== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.team-card {
  text-align: center;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}
.team-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.team-avatar {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.team-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.team-role {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.team-card p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  transition: background 0.2s;
}
.faq-q:hover { background: var(--surface-hover); }
.faq-q::after {
  content: '+';
  font-size: 20px;
  color: var(--muted);
  font-weight: 400;
}
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}
.faq-item.active .faq-a {
  padding: 0 24px 20px;
  max-height: 300px;
}
.faq-item.active .faq-q::after { content: '−'; }

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .service-grid, .case-grid, .pricing-grid { grid-template-columns: 1fr; }
  .audience-grid, .process-steps { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 72px; }
  .pricing-card.featured { transform: none; }
}

@media (max-width: 600px) {
  .audience-grid, .process-steps { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .container { padding: 0 16px; }
}

/* ========== Floating Consult Bar (UI转化升级) ========== */
.floating-consult {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
  position: relative;
}
.floating-btn:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}
.floating-btn .icon { font-size: 22px; }
.floating-btn .label {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-dark);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.floating-btn:hover .label { opacity: 1; }
.floating-btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
}
.floating-btn.primary:hover {
  box-shadow: 0 8px 25px rgba(37,99,235,0.4);
}
.floating-btn.primary .label { background: var(--accent); }

@media (max-width: 900px) {
  .floating-consult {
    right: 12px;
    gap: 6px;
  }
  .floating-btn { width: 48px; height: 48px; }
  .floating-btn .icon { font-size: 18px; }
  .floating-btn .label { display: none; }
}

/* ========== Trust Badge / Logo Wall ========== */
.logo-wall {
  padding: 40px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.logo-wall-title {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.logo-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.6;
}
.logo-item {
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 1px;
}

/* ========== Expert Section ========== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.expert-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.25s;
}
.expert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.expert-avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.expert-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}
.expert-role {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-soft);
  color: var(--muted);
  border-radius: 4px;
  margin: 2px;
}

@media (max-width: 900px) {
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .expert-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== Resource Download ========== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.resource-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
}
.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.resource-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.resource-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}
.resource-card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  flex: 1;
  line-height: 1.6;
}
.resource-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--rule-light);
}
.resource-type {
  font-size: 11px;
  color: var(--muted);
}
.resource-download {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}
.resource-download:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .resource-grid { grid-template-columns: 1fr; }
}

/* ========== Related Content (内链优化) ========== */
.related-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}
.related-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s;
}
.related-card:hover {
  background: var(--accent-bg);
  transform: translateX(4px);
}
.related-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.related-card-content h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.4;
}
.related-card-content p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

@media (max-width: 900px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ========== Stats Counter (信任背书) ========== */
.stats-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--bg-dark), #1e293b);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(139,92,246,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.stats-banner .container { position: relative; z-index: 1; }
.stats-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats-banner-item .num {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stats-banner-item .label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

@media (max-width: 900px) {
  .stats-banner-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

/* ========== Mobile Bottom Nav (移动端优化) ========== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--rule);
  z-index: 999;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 12px rgba(0,0,0,0.05);
}
.mobile-bottom-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}
.mbn-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--muted);
  font-size: 10px;
  padding: 4px;
}
.mbn-item.active { color: var(--accent); }
.mbn-item .icon { font-size: 20px; }
.mbn-item.cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border-radius: 8px;
  margin: 0 4px;
  font-weight: 600;
}
.mbn-item.cta .icon { font-size: 18px; }

@media (max-width: 600px) {
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 60px; }
}

/* ========== Skip to Content (SEO无障碍) ========== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 1000;
  transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* ========== Breadcrumb ========== */
.breadcrumb {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--rule);
  padding: 12px 0;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .current { color: var(--ink); font-weight: 500; }

/* ========== Page Hero (支柱页) ========== */
.page-hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 50%, #fffbeb 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--ink);
  line-height: 1.2;
}
.page-hero-desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.page-hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.phs-item { text-align: center; }
.phs-item strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}
.phs-item span {
  font-size: 13px;
  color: var(--muted);
}

/* ========== Service Price (支柱页服务卡) ========== */
.service-price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  margin-bottom: 16px;
  border-top: 1px solid var(--rule-light);
}
.service-price .price {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
}
.service-price .duration {
  font-size: 12px;
  color: var(--muted);
}

/* ========== Methodology Grid ========== */
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.method-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.25s;
}
.method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.method-icon {
  font-size: 28px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}
.method-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}
.method-card p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s;
}
.faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.faq-item summary {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ========== Article Hero (长尾页) ========== */
.article-hero {
  padding: 60px 0 40px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--rule);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.article-category {
  padding: 4px 12px;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: 4px;
  font-weight: 600;
}
.article-category a { color: var(--accent); }
.article-hero h1 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--ink);
  line-height: 1.3;
  max-width: 800px;
}
.article-subtitle {
  font-size: 16px;
  color: var(--muted);
  max-width: 700px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.article-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.aa-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 18px;
}
.aa-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.aa-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ========== Article Content (长尾页正文) ========== */
.article-section {
  padding: 50px 0;
}
.article-container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}
.article-body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.article-body > section {
  margin-bottom: 40px;
}
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-bg);
}
.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--ink);
}
.article-body p {
  margin-bottom: 16px;
}
.article-points {
  list-style: none;
  margin: 20px 0;
  padding: 0;
}
.article-points li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: 14px;
  color: var(--ink-soft);
}
.article-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 8px;
  width: 20px; height: 20px;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.article-resource-box {
  background: var(--accent-bg);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 40px 0;
}
.article-resource-box h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}
.article-resource-box p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}

/* ========== Sidebar ========== */
.article-sidebar {
  position: sticky;
  top: 100px;
}
.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-widget h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule-light);
}
.toc-list {
  list-style: none;
  font-size: 13px;
}
.toc-list li {
  margin-bottom: 8px;
}
.toc-list a {
  color: var(--muted);
  transition: color 0.2s;
  display: block;
  padding: 4px 0;
}
.toc-list a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.cta-widget {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  color: #fff;
}
.cta-widget h4 {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.2);
}
.cta-widget p {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  line-height: 1.6;
}
.btn-block {
  width: 100%;
  background: #fff;
  color: var(--accent);
}
.btn-block:hover {
  background: var(--bg-soft);
  color: var(--accent-dark);
}

/* ========== Related Content ========== */
.related-section {
  padding: 60px 0;
}
.related-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 28px;
  text-align: center;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.25s;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.related-card-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.related-card-content h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.4;
}
.related-card-content p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ========== Logo Wall ========== */
.logo-wall {
  padding: 40px 0;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--rule);
}
.logo-wall-title {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.logo-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.logo-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-light);
  transition: color 0.2s;
}
.logo-item:hover { color: var(--ink-soft); }

/* ========== Resource Grid ========== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.resource-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.25s;
}
.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}
.resource-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--accent-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.resource-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}
.resource-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.resource-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--rule-light);
}
.resource-type {
  font-size: 12px;
  color: var(--muted);
}
.resource-download {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* ========== Stats Banner ========== */
.stats-banner {
  padding: 50px 0;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.stats-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats-banner-item .num {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 6px;
}
.stats-banner-item .label {
  font-size: 13px;
  opacity: 0.85;
}

/* ========== Expert Grid ========== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.expert-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all 0.25s;
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.expert-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}
.expert-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.expert-role {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}
.expert-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin: 2px;
}

/* ========== CTA Section ========== */
.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--bg-dark), #1e293b);
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}
.cta-section p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-section .btn-secondary {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.cta-section .btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* ========== Responsive - 新增样式 ========== */
@media (max-width: 900px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .article-container { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { position: static; }
  .related-grid { grid-template-columns: 1fr; }
  .resource-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-banner-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .page-hero-stats { gap: 32px; }
  .phs-item strong { font-size: 24px; }
}
@media (max-width: 600px) {
  .method-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .stats-banner-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-banner-item .num { font-size: 28px; }
  .page-hero-stats { gap: 24px; }
  .phs-item strong { font-size: 22px; }
  .phs-item span { font-size: 12px; }
  .article-hero { padding: 40px 0 30px; }
  .article-section { padding: 30px 0; }
  .faq-item summary { padding: 14px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 16px; font-size: 13px; }
}

/* ============================================
   转化优化新增样式
   ============================================ */

/* 顶部公告条 */
.top-notice {
  background: linear-gradient(90deg, #1e40af 0%, #7c3aed 50%, #1e40af 100%);
  color: #fff;
  padding: 10px 0;
  font-size: 14px;
  position: relative;
  overflow: hidden;
}
.top-notice::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shine 3s infinite;
}
@keyframes shine {
  to { left: 100%; }
}
.top-notice-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.top-notice-badge {
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(10px);
}
.top-notice .highlight {
  color: #fbbf24;
  font-weight: 700;
  font-size: 16px;
}
.top-notice-countdown {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(239,68,68,0.3);
  padding: 4px 12px;
  border-radius: 20px;
}
.countdown-label { font-size: 12px; opacity: 0.9; }
.countdown-num {
  font-size: 18px;
  font-weight: 800;
  color: #fca5a5;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}
.top-notice-cta {
  background: #fff;
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.top-notice-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 导航栏滚动效果 */
.nav {
  transition: all 0.3s ease;
}
.nav-scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--rule-light);
}

/* Hero区深度优化 */
.hero-pro {
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
}
.hero-bg-decoration {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}
.glow-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.3) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation: floatGlow 8s ease-in-out infinite;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.3) 0%, transparent 70%);
  bottom: -150px; left: -50px;
  animation: floatGlow 10s ease-in-out infinite reverse;
}
@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}
.hero-grid-pattern {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(148,163,184,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-pro .hero-inner {
  position: relative;
  z-index: 1;
}
.hero-badge-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.badge-gold {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
  border: 1px solid #fcd34d;
}
.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-red {
  color: var(--red);
}
.hero-desc strong {
  color: var(--ink);
  font-weight: 600;
}

/* 痛点清单 */
.hero-pain-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 24px 0;
}
.pain-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}
.pain-icon {
  width: 20px; height: 20px;
  background: var(--green-bg);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 按钮增强 */
.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-md);
}
.btn-xl {
  padding: 20px 40px;
  font-size: 18px;
  border-radius: var(--radius-lg);
  font-weight: 700;
}
.btn-icon {
  margin-right: 8px;
}
.btn-arrow {
  margin-left: 8px;
  transition: transform 0.3s;
}
.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

/* 信任行 */
.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 20px 0;
}
.trust-avatars {
  display: flex;
}
.trust-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid #fff;
  margin-left: -10px;
}
.trust-avatar:first-child { margin-left: 0; }
.trust-avatar-more {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  border: 2px solid #fff;
  margin-left: -10px;
}
.trust-stars {
  font-size: 14px;
  letter-spacing: 2px;
}
.trust-desc {
  font-size: 13px;
  color: var(--muted);
}
.trust-desc strong {
  color: var(--ink);
}

/* Hero数据指标增强 */
.hero-stats-pro {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--rule-light);
}

/* Hero视觉区增强 */
.hero-visual-pro {
  position: relative;
}
.hero-card-pro {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.05);
  padding: 28px;
  position: relative;
  z-index: 2;
}
.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-light);
}
.hero-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.hero-card-badge {
  background: var(--green-bg);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.hero-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--rule-light);
  border-radius: 3px;
  overflow: hidden;
  margin-top: -4px;
  margin-bottom: 8px;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1.5s ease-out;
}
.hero-card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* 浮动卡片 */
.float-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatCard 4s ease-in-out infinite;
}
.float-card-1 {
  top: 20px;
  left: -30px;
  animation-delay: 0s;
}
.float-card-2 {
  bottom: 40px;
  right: -20px;
  animation-delay: 2s;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.float-card-icon {
  font-size: 24px;
}
.float-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.float-card-desc {
  font-size: 12px;
  color: var(--muted);
}

/* Logo墙升级 */
.logo-wall-pro {
  padding: 40px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
}
.logo-wall-title {
  text-align: center;
  margin-bottom: 28px;
}
.logo-wall-title-main {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.logo-wall-title-sub {
  font-size: 13px;
  color: var(--muted-light);
}
.logo-grid-pro {
  gap: 16px;
}
.logo-grid-pro .logo-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--rule-light);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.logo-grid-pro .logo-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-bg);
}
.logo-icon {
  font-size: 24px;
}

/* 痛点共鸣区 */
.pain-section { background: var(--bg); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--rule-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--red-light), var(--red));
  opacity: 0;
  transition: opacity 0.3s;
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--red-bg);
}
.pain-card:hover::before { opacity: 1; }
.pain-card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.pain-card h3 {
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 12px;
}
.pain-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.pain-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
}
.pain-stat {
  font-size: 13px;
  color: var(--muted);
}
.pain-stat strong {
  color: var(--red);
  font-size: 16px;
}
.pain-tag {
  background: var(--red-bg);
  color: var(--red);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.pain-cta {
  text-align: center;
  margin-top: 48px;
  padding: 40px;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent2-bg));
  border-radius: var(--radius-xl);
}
.pain-cta-text {
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.pain-cta-text strong {
  color: var(--ink);
  font-size: 22px;
}

/* 服务卡片增强 */
.service-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.service-price {
  background: var(--accent-bg);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}
.service-card-featured {
  position: relative;
  transform: scale(1.05);
  border: 2px solid var(--accent);
  box-shadow: 0 20px 40px -15px rgba(37,99,235,0.3);
}
.service-card-featured:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 30px 60px -20px rgba(37,99,235,0.4);
}
.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--red-light), var(--red));
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(239,68,68,0.3);
}
.service-features li::before {
  display: none;
}
.service-link-primary {
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 600;
}
.service-link-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

/* 受众卡片链接 */
.audience-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.audience-link:hover {
  transform: translateX(4px);
}

/* 数据横幅升级 */
.stats-banner-pro {
  background: linear-gradient(135deg, #1e3a8a 0%, #6d28d9 50%, #1e3a8a 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.stats-banner-pro::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}
.stats-banner-pro .stats-banner-item {
  position: relative;
  z-index: 1;
  text-align: center;
}
.stats-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.stats-banner-pro .num {
  background: linear-gradient(135deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stats-banner-pro .label {
  color: rgba(255,255,255,0.8);
}

/* 服务流程升级 */
.process-steps-pro {
  display: flex;
  align-items: stretch;
  gap: 0;
}
.process-steps-pro .step-card {
  flex: 1;
}
.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--muted-light);
  padding: 0 8px;
  flex-shrink: 0;
}
.step-deliver {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
  font-size: 13px;
}
.deliver-label {
  color: var(--muted);
}
.deliver-value {
  color: var(--accent);
  font-weight: 600;
}

/* 风险逆转保障 */
.guarantee-section { background: var(--bg); }
.guarantee-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fef9c3 50%, #dcfce7 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.guarantee-box::before {
  content: '🛡️';
  position: absolute;
  top: -30px; right: -20px;
  font-size: 200px;
  opacity: 0.08;
}
.guarantee-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(217,119,6,0.3);
}
.guarantee-box h2 {
  font-size: 36px;
  margin-bottom: 16px;
}
.guarantee-box h2 em {
  color: var(--red);
  font-style: normal;
}
.guarantee-desc {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 36px;
  max-width: 600px;
}
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.guarantee-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.8);
}
.guarantee-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.guarantee-item h4 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 6px;
}
.guarantee-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.guarantee-cta {
  text-align: center;
}

/* 专家卡片增强 */
.expert-avatar-lg {
  width: 80px;
  height: 80px;
  font-size: 32px;
}
.expert-stars {
  font-size: 13px;
  color: var(--gold);
  margin: 8px 0;
}
.expert-stars span {
  color: var(--muted);
  font-weight: 600;
  margin-left: 4px;
}
.expert-bio {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--rule-light);
}

/* 资源下载增强 */
.resource-icon-wrap {
  position: relative;
  margin-bottom: 20px;
}
.resource-badge {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--red);
  color: #fff;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.resource-download-count {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
  font-size: 13px;
  color: var(--muted);
}
.resource-download-count strong {
  color: var(--accent);
}

/* 案例增强 */
.case-grid-pro .case-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.case-grid-pro .case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.case-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.case-link:hover {
  transform: translateX(4px);
}

/* 客户评价升级 */
.testimonial-grid-pro .testimonial-card {
  position: relative;
  transition: all 0.3s;
}
.testimonial-grid-pro .testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.testimonial-stars {
  font-size: 16px;
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.testimonial-company {
  font-size: 12px;
  color: var(--muted-light);
  margin-top: 2px;
}
.testimonial-result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-light);
  font-size: 13px;
}
.result-label {
  color: var(--muted);
}
.result-value {
  color: var(--green);
  font-weight: 700;
}

/* FAQ */
.faq-section { background: var(--bg-soft); }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  border: 1px solid var(--rule-light);
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.faq-item h4 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 10px;
  font-weight: 600;
}
.faq-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* 底部CTA升级 */
.cta-section-pro {
  background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 50%, #1e3a8a 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section-pro::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(139,92,246,0.3) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(59,130,246,0.3) 0%, transparent 40%);
}
.cta-section-pro .cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-badge {
  display: inline-block;
  background: rgba(251,191,36,0.2);
  color: #fbbf24;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(251,191,36,0.3);
}
.cta-section-pro h2 {
  font-size: 42px;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.3;
}
.cta-section-pro .cta-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.8;
}
.cta-section-pro .cta-desc strong {
  color: #fbbf24;
}
.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-bottom: 36px;
}
.cta-feature {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
}
.cta-section-pro .cta-buttons {
  justify-content: center;
  margin-bottom: 24px;
}
.cta-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(239,68,68,0.2);
  color: #fca5a5;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  border: 1px solid rgba(239,68,68,0.3);
}
.cta-note strong {
  color: #fecaca;
  font-size: 18px;
  font-weight: 800;
}
.cta-note-icon {
  animation: pulse 1.5s ease-in-out infinite;
}

/* 响应式 - 新增样式 */
@media (max-width: 968px) {
  .top-notice-inner {
    font-size: 13px;
    gap: 8px;
  }
  .top-notice-countdown { padding: 3px 10px; }
  .countdown-num { font-size: 15px; }
  
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  
  .cta-section-pro h2 { font-size: 32px; }
  .cta-section-pro .cta-desc { font-size: 16px; }
  
  .process-steps-pro {
    flex-direction: column;
    gap: 16px;
  }
  .step-arrow {
    transform: rotate(90deg);
    padding: 0;
  }
  
  .float-card-1 { left: 0; }
  .float-card-2 { right: 0; }
}

@media (max-width: 640px) {
  .top-notice { padding: 8px 0; }
  .top-notice-inner { font-size: 12px; }
  .top-notice-badge { display: none; }
  .top-notice-cta { padding: 5px 12px; font-size: 12px; }
  
  .hero-pro { padding: 50px 0 70px; }
  .hero-badge-row { gap: 8px; }
  .hero-badge { font-size: 11px; padding: 4px 10px; }
  
  .hero-pain-points { grid-template-columns: 1fr; gap: 8px; }
  .pain-item { font-size: 13px; }
  
  .hero-trust-row { flex-wrap: wrap; }
  
  .pain-grid { grid-template-columns: 1fr; gap: 16px; }
  .pain-card { padding: 20px; }
  .pain-cta { padding: 28px 20px; }
  .pain-cta-text { font-size: 16px; }
  .pain-cta-text strong { font-size: 18px; }
  
  .guarantee-box { padding: 36px 24px; }
  .guarantee-box h2 { font-size: 26px; }
  .guarantee-desc { font-size: 14px; }
  
  .service-card-featured { transform: none; }
  .service-card-featured:hover { transform: translateY(-4px); }
  
  .cta-section-pro { padding: 60px 0; }
  .cta-section-pro h2 { font-size: 26px; }
  .cta-section-pro .cta-desc { font-size: 15px; }
  .cta-features { gap: 10px 20px; }
  .cta-feature { font-size: 13px; }
  .btn-xl { padding: 16px 28px; font-size: 16px; }
  
  .float-card { display: none; }
}

/* ========== Print Styles ========== */
@media print {
  .nav, .floating-consult, .mobile-bottom-nav, .cta-section, .article-sidebar, .breadcrumb, .top-notice { display: none; }
  body { color: #000; }
  a { color: #000; text-decoration: underline; }
  .article-container { grid-template-columns: 1fr; }
}

/* ========================================
   面包屑导航
   ======================================== */
.breadcrumb-nav {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  font-size: 14px;
}
.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.breadcrumb-list li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}
.breadcrumb-list li a:hover {
  color: var(--primary);
}
.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 16px;
}
.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* ========================================
   相关内容推荐
   ======================================== */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.related-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: var(--primary);
}
.related-icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.related-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.related-more {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
}

/* ========================================
   Footer SEO链接区
   ======================================== */
.footer-seo-links {
  background: #0a1628;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 48px 0 32px;
}
.seo-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.seo-links-group h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.seo-links-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.seo-links-group li {
  margin-bottom: 8px;
}
.seo-links-group a {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.3s;
}
.seo-links-group a:hover {
  color: var(--primary-light);
}

@media (max-width: 992px) {
  .seo-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 576px) {
  .seo-links-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}