/* ===== 锟乾科技官网 ===== */
:root {
  --bg: #030B1A;
  --primary: #1A3A6B;
  --primary-text: #A8CBFF;
  --accent: #0EA5E9;
  --gold: #D4A748;
  --green: #10B981;
  --text: #E6EDF7;
  --text-secondary: #8FA3BF;
  --border: rgba(14,165,233,0.16);
  --card-bg: rgba(255,255,255,0.04);
  --section-alt: #061224;
  --font-en: 'Inter', -apple-system, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  --font-cn: -apple-system, 'PingFang SC', 'HarmonyOS Sans SC', 'MiSans', 'Microsoft YaHei', '微软雅黑', sans-serif;

  /* Dark theme colors */
  --dark-bg: #020B18;
  --dark-section: #060F1E;
  --dark-section-alt: #0A1628;
  --dark-text: #E2E8F0;
  --dark-text-secondary: #94A3B8;
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(14,165,233,0.2);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

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

.section { padding: 80px 0; }
.section--alt { background: var(--section-alt); }
.section--dark {
  background: var(--dark-section);
  color: var(--dark-text);
  position: relative;
}
.section--dark-alt {
  background: var(--dark-section-alt);
  color: var(--dark-text);
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.navbar--scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 16px rgba(26,58,107,0.07);
}
.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
  color: #FFFFFF;
}
.navbar__logo-mark {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 6px;
  display: inline-block;
  flex-shrink: 0;
}
.navbar__brand-name {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.05em;
}
.logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar__link {
  font-size: 15px;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.navbar__link:hover {
  color: var(--primary-text);
}
.navbar__link:hover::after {
  width: 100%;
}
.navbar__cta {
  padding: 8px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
}
.navbar__cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
}
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.navbar__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  gap: 4px;
}
.mobile-menu a {
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child {
  border-bottom: none;
  color: var(--accent);
  font-weight: 600;
}
.mobile-menu.active { display: flex; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(14,165,233,0.5);
}
.btn--primary:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(14,165,233,0.7);
}
.btn--full { width: 100%; }

/* ===== Hero ===== */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark-bg);
  padding-top: 64px;
  padding-bottom: 0;
}

/* grain texture */
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero__grain::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.03;
}

/* Canvas particle layer */
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__grid-deco {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  z-index: 2;
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 680px;
  padding: 60px 24px 40px;
  margin-left: max(24px, calc((100vw - 1200px) / 2));
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.4);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
}

.hero__title {
  font-size: 60px;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff, #0EA5E9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero__eyebrow {
  color: var(--gold);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.hero__title strong {
  color: var(--gold);
  font-weight: 800;
}

.hero__subtitle {
  font-size: 26px;
  color: var(--dark-text);
  line-height: 1.6;
  margin-bottom: 40px;
  font-weight: 400;
}

/* pulse ring animation */
@keyframes pulse-ring {
  0% { r: 12; opacity: 0.25; }
  50% { r: 28; opacity: 0; }
  100% { r: 12; opacity: 0.25; }
}
.pulse-ring { animation: pulse-ring 3s ease-in-out infinite; }
.pulse-ring--delay { animation-delay: 1.5s; }

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary-text);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.section-title--light { color: #fff; }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 520px;
  margin: 0 auto;
}
.section--dark .section-subtitle {
  color: var(--dark-text-secondary);
}

/* ===== Services ===== */
.services {
  background-color: var(--section-alt);
  background-image: radial-gradient(circle, rgba(14,165,233,0.12) 1px, transparent 1px);
  background-size: 26px 26px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.services__grid--3 {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 32px;
}
.services__grid .service-card:nth-child(4) { grid-column: 1; }
.services__grid .service-card:nth-child(5) { grid-column: 2 / span 2; }

.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(14,165,233,0.18);
  border-radius: 12px;
  padding: 32px;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.3s ease;
  cursor: default;
  box-shadow: 0 2px 12px rgba(14,165,233,0.06);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14,165,233,0.45);
  box-shadow: 0 4px 24px rgba(14,165,233,0.12);
}
.service-card--featured {
  background: linear-gradient(135deg, rgba(14,165,233,0.10), rgba(212,167,72,0.05));
  border-color: rgba(14,165,233,0.25);
}

/* 3px gradient top bar for smaller service cards only */
.services__grid--3 .service-card::before {
  content: '';
  display: block;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, rgba(14,165,233,0.85), rgba(212,167,72,0.75), transparent 85%);
  margin: -32px -32px 20px -32px;
  opacity: 0.8;
}

/* Service card icon + title gradient text */
.service-card__icon {
  width: 48px; height: 48px;
  color: var(--accent);
  margin-bottom: 12px;
}
.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  background: linear-gradient(135deg, #0EA5E9, #10B981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

/* GEO 业务卡（任务187：由通栏双栏收小为与其他业务卡同级的单栏卡） */
.service-card--geo {
  margin-bottom: 0;
}
.service-card--geo:hover {
  transform: none;
}

.geo-card__left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.geo-card__right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.geo-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}
.geo-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.geo-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-en);
  flex-shrink: 0;
}
.geo-step__body b {
  display: block;
  font-size: 15px;
  color: var(--primary-text);
  margin-bottom: 4px;
  font-weight: 600;
}
.geo-step__body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.geo-anchors {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: rgba(2,10,24,0.5);
  border-radius: 10px;
  border: 1px solid rgba(14,165,233,0.18);
}
.geo-anchor {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.geo-anchor__num {
  font-size: 36px;
  font-weight: 800;
  font-family: var(--font-en);
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.geo-anchor__label {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.geo-service-list {
  padding: 20px;
  background: rgba(2,10,24,0.5);
  border-radius: 10px;
  border: 1px solid rgba(14,165,233,0.18);
}


.service-card__tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  font-family: var(--font-cn);
}

.service-card__icon {
  width: 40px; height: 40px;
  color: var(--accent);
  margin-bottom: 14px;
}
.service-card__icon svg { width: 40px; height: 40px; }

.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-text);
  margin-bottom: 8px;
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-card__tags span {
  padding: 3px 10px;
  background: rgba(14,165,233,0.10);
  color: #7DD3FC;
  font-size: 11px;
  border-radius: 100px;
  font-weight: 500;
}
.service-card--featured .service-card__tags span {
  background: rgba(14,165,233,0.12);
  color: #0369a1;
}

/* ===== Cases ===== */
.cases__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.case-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: box-shadow 0.22s;
}
.case-card:hover { box-shadow: 0 8px 32px rgba(26,58,107,0.1); }

.case-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.case-card__logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-text);
  padding: 6px 14px;
  background: rgba(14,165,233,0.10);
  border-radius: 8px;
}
.case-card__service-tag {
  padding: 4px 12px;
  background: rgba(16,185,129,0.1);
  color: #059669;
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
}
.case-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-text);
  margin-bottom: 12px;
}
.case-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.case-card__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.case-card__tags span {
  padding: 3px 10px;
  background: rgba(14,165,233,0.10);
  color: #7DD3FC;
  font-size: 12px;
  border-radius: 100px;
}
.case-card__metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.case-card__metric-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-en);
  line-height: 1;
}
.case-card__metric-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.case-card--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  background: rgba(255,255,255,0.02);
}
.case-card__coming {
  text-align: center;
  color: #C4CAD4;
}
.case-card__coming p { margin-top: 12px; font-size: 15px; }

/* ===== Why ===== */
.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.22s, box-shadow 0.22s;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(26,58,107,0.09);
}
.why-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.why-card__icon svg { width: 28px; height: 28px; }
.why-card__icon--blue {
  background: rgba(26,58,107,0.08);
  color: var(--primary-text);
}
.why-card__icon--accent {
  background: rgba(14,165,233,0.1);
  color: var(--accent);
}
.why-card__icon--green {
  background: rgba(16,185,129,0.1);
  color: var(--green);
}
.why-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-text);
  margin-bottom: 8px;
}
.why-card__desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== Trust Stats ===== */
.trust__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.stat {
  flex: 1;
  text-align: center;
  padding: 16px;
}
.stat__num {
  display: block;
  font-size: 56px;
  font-weight: 800;
  font-family: var(--font-en);
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.stat__label {
  display: block;
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  margin-top: 6px;
}
.stat__divider {
  width: 1px;
  height: 64px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* ===== Contact ===== */
.contact {
  background: linear-gradient(135deg, #0F172A 0%, #0C1A2E 60%, #0E2340 100%);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact__info .section-title {
  text-align: left;
  margin-bottom: 16px;
  color: #FFFFFF;
}
.contact__lead {
  font-size: 18px;
  color: #E2E8F0;
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact__promises {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact__promises li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: #E2E8F0;
}
.contact__promises svg {
  width: 16px; height: 16px;
  color: var(--green);
  flex-shrink: 0;
}

.contact__form-wrap {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  position: relative;
  z-index: 1;
}

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.contact .form-label {
  color: #E2E8F0;
}
.form-required { color: var(--accent); }
.form-optional { color: var(--text-secondary); font-weight: 400; font-size: 13px; }
.contact .form-optional { color: rgba(226,232,240,0.6); }
.form-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font-cn);
  color: var(--text);
  background: rgba(255,255,255,0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}
.contact .form-input {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: #E2E8F0;
}
.contact .form-input:focus {
  border-color: #0EA5E9;
  box-shadow: 0 0 0 3px rgba(14,165,233,0.2);
  outline: none;
}
.contact .form-input::placeholder {
  color: rgba(226,232,240,0.4);
}
.contact .btn--primary {
  background: linear-gradient(135deg, #0EA5E9, #10B981);
  color: #FFFFFF;
  border: none;
  font-weight: 600;
  transition: opacity 0.2s, box-shadow 0.2s;
}
.contact .btn--primary:hover {
  opacity: 0.9;
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
  transform: none;
}

.form-input.error { border-color: #EF4444; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error {
  display: none;
  font-size: 12px;
  color: #EF4444;
  margin-top: 4px;
}
.form-success {
  text-align: center;
  padding: 24px 0;
}
.form-success p {
  font-size: 16px;
  color: var(--green);
  margin-top: 12px;
  font-weight: 500;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark-bg);
  color: var(--dark-text-secondary);
  padding: 40px 0;
}
.footer__inner { text-align: center; }
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer__legal {
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--dark-text);
}
.footer__copy {
  font-size: 12px;
  margin-top: 16px;
  opacity: 0.55;
}

/* ===== AI 培训与城市合伙人 ===== */
.service-card--training {
  --fxc: #D4A748;
  --fxc2: #0EA5E9;
}
.training-mini-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 22px 0 18px;
}
.training-mini-flow > div {
  min-height: 86px;
  padding: 10px 8px;
  border: 1px solid rgba(212,167,72,.28);
  background: rgba(212,167,72,.06);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.training-mini-flow span {
  color: var(--gold);
  font: 600 11px var(--font-en);
  letter-spacing: .08em;
}
.training-mini-flow b {
  color: var(--text);
  font-size: 13px;
}
.training-mini-flow small {
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.45;
}
.ai-problems-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 18px 0 16px;
}
.ai-problems-grid > div {
  min-height: 58px;
  padding: 9px 10px;
  border: 1px solid rgba(14,165,233,.22);
  background: rgba(14,165,233,.055);
}
.ai-problems-grid b,
.ai-problems-grid small {
  display: block;
}
.ai-problems-grid b {
  color: var(--text);
  font-size: 12px;
  margin-bottom: 2px;
}
.ai-problems-grid small {
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1.35;
}
.partner {
  position: relative;
  overflow: hidden;
}
.partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: stretch;
}
.partner__lead,
.partner__steps {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
  padding: 30px;
}
.partner__lead {
  background: linear-gradient(135deg, rgba(14,165,233,.12), rgba(212,167,72,.08));
}
.partner__eyebrow {
  color: var(--gold);
  font: 600 11px var(--font-en);
  letter-spacing: .16em;
  margin-bottom: 18px;
}
.partner__lead h3 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.25;
}
.partner__lead p {
  max-width: 480px;
  margin: 0 0 26px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}
.partner__steps {
  display: grid;
  align-content: center;
  gap: 12px;
}
.partner__step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 70px;
  padding: 12px 14px;
  border-left: 2px solid rgba(14,165,233,.55);
  background: rgba(3,11,26,.34);
}
.partner__step b {
  color: var(--gold);
  font: 700 17px var(--font-en);
}
.partner__step span {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.partner__step strong {
  color: var(--text);
  font-size: 15px;
}
.partner__step small {
  color: var(--text-secondary);
  font-size: 12px;
}
.partner__note {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .training-mini-flow { gap: 6px; }
  .training-mini-flow > div { padding: 9px 6px; }
  .training-mini-flow b { font-size: 12px; }
  .training-mini-flow small { font-size: 10px; }
  .ai-problems-grid { gap: 6px; }
  .ai-problems-grid > div { min-height: 55px; padding: 8px; }
  .ai-problems-grid b { font-size: 11px; }
  .ai-problems-grid small { font-size: 9px; }
  .partner__grid { grid-template-columns: 1fr; }
  .partner__lead, .partner__steps { padding: 22px; }
}

/* ===== Animations ===== */
.animate-in {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(16px);
  transition: opacity 0.6s ease, filter 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}
.animate-in[data-index="1"] { transition-delay: 0.08s; }
.animate-in[data-index="2"] { transition-delay: 0.16s; }
.animate-in[data-index="3"] { transition-delay: 0.24s; }
.animate-in[data-index="4"] { transition-delay: 0.32s; }

/* hero immediate visible */
.hero .animate-in:nth-child(1) { transition-delay: 0.1s; }
.hero .animate-in:nth-child(2) { transition-delay: 0.25s; }
.hero .animate-in:nth-child(3) { transition-delay: 0.4s; }
.hero .animate-in:nth-child(4) { transition-delay: 0.55s; }

/* ===== Hero Stats Bar (A) ===== */
.hero__stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-bottom: 36px;
  font-size: 14px;
  color: var(--dark-text);
}
.hero__stats b {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-en);
}
.hero__stats-dot {
  margin: 0 10px;
  opacity: 0.4;
}

/* AI 能力被星空点亮的轻量提示层 */
.hero::after {
  content: 'IMAGINE  ·  CREATE  ·  BECOME';
  position: absolute;
  right: 7vw;
  bottom: 17vh;
  color: rgba(168,203,255,.55);
  font: 600 10px/1 var(--font-en);
  letter-spacing: .28em;
  pointer-events: none;
  animation: hero-signal 4s ease-in-out infinite;
}
@keyframes hero-signal {
  0%, 100% { opacity: .35; transform: translateY(3px); }
  50% { opacity: .9; transform: translateY(0); }
}

/* ===== Services 4-col grid (B) ===== */
.services__grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
.services__grid--4 .service-card:nth-child(n) { grid-column: auto; }

.service-card__subtitle {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
}
.service-card__list {
  list-style: none;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card__list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.service-card__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
}
.service-card__value {
  font-size: 13px;
  color: var(--primary-text);
  font-weight: 500;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  line-height: 1.5;
}
.service-card--featured .service-card__value {
  border-color: rgba(14,165,233,0.2);
}

/* ===== Achievements (C) ===== */
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.ach-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.ach-item:last-child { border-right: none; }
.ach-item__num {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-en);
  background: linear-gradient(135deg, #0EA5E9, #10B981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.ach-item__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.ach-item__desc {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ===== Cases Tabs (D) ===== */
.cases {
  background: linear-gradient(180deg, #061224 0%, #030B1A 100%);
}

.cases-tabs__nav {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}
.cases-tab-btn {
  padding: 10px 22px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 15px;
  font-family: var(--font-cn);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  height: 40px;
  display: flex;
  align-items: center;
}
.cases-tab-btn:hover { color: var(--primary-text); }
.cases-tab-btn.active {
  background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(16,185,129,0.08));
  border-bottom: 2px solid #0EA5E9;
  color: #0EA5E9;
  font-weight: 600;
  border-radius: 6px 6px 0 0;
  height: 40px;
}
.cases-tab-panel { display: none; }
.cases-tab-panel.active { display: block; }

.case-detail {
  border-left: 3px solid;
  border-image: linear-gradient(180deg, #0EA5E9, #10B981) 1;
  padding-left: 20px;
  background: rgba(255,255,255,0.04);
  box-shadow: 0 1px 12px rgba(0,0,0,0.3);
  border-radius: 0 10px 10px 0;
  padding: 36px 40px;
  max-width: 760px;
  margin: 0 auto;
}
.case-detail__label {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(14,165,233,0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 14px;
}
.case-detail__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-text);
  margin-bottom: 20px;
}
.case-detail__row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.65;
}
.case-detail__row--result {
  background: rgba(16,185,129,0.06);
  border-left: 3px solid var(--green);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 20px;
}
.case-detail__field {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 36px;
}
.case-detail__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.case-detail__tags span {
  padding: 4px 12px;
  background: rgba(14,165,233,0.10);
  color: #7DD3FC;
  font-size: 12px;
  border-radius: 100px;
  font-weight: 500;
}

/* ===== Process Timeline (E) ===== */
.process__track {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.process__node {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-en);
  margin-bottom: 16px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.process__connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin-top: 23px;
  max-width: 60px;
  opacity: 0.35;
}
.process__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-text);
  margin-bottom: 4px;
}
.process__time {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-en);
}
.process__desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 130px;
}

/* ===== FAQ Accordion (F) ===== */
.faq__body { max-width: 760px; margin: 0 auto; }
.faq__group { margin-bottom: 36px; }
.faq__group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.faq__item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-cn);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question::after {
  content: '+';
  font-size: 20px;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.faq-question[aria-expanded="true"]::after {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 0 18px;
}
.faq-answer.open { display: block; }
.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}
@media (max-width: 900px) {
  .services__grid,
  .services__grid--4,
  .services__grid--3 { grid-template-columns: 1fr 1fr; }
  .services__grid--4 .service-card:nth-child(n) { grid-column: auto; }
  .service-card--geo { grid-template-columns: 1fr; gap: 24px; }
  .why__grid { grid-template-columns: 1fr 1fr; }
  .contact__layout { grid-template-columns: 1fr; gap: 40px; }
  .hero__grid-deco { width: 340px; height: 340px; opacity: 0.4; }
  .achievements__grid { grid-template-columns: 1fr 1fr; }
  .ach-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .process__track { flex-wrap: wrap; gap: 24px; justify-content: center; }
  .process__connector { display: none; }
  .process__step { flex: 0 0 calc(33% - 16px); }
}

@media (max-width: 640px) {
  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }
  .section { padding: 48px 0; }
  .hero__title { font-size: 38px; }
  .hero__subtitle { font-size: 18px; }
  .hero__content { padding: 72px 24px 60px; margin-left: 0; }
  .hero__grid-deco { display: none; }
  .hero__stats { font-size: 13px; }
  .services__grid,
  .services__grid--4,
  .services__grid--3 { grid-template-columns: 1fr; }
  .geo-anchor__num { font-size: 28px; }
  .cases__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .trust__stats { flex-direction: column; gap: 0; }
  .stat__divider { width: 64px; height: 1px; margin: 0 auto; }
  .stat__num { font-size: 44px; }
  .contact__form-wrap { padding: 24px 20px; }
  .section-title { font-size: 28px; }
  .achievements__grid { grid-template-columns: 1fr 1fr; }
  .ach-item__num { font-size: 44px; }
  .cases-tabs__nav { gap: 4px; flex-wrap: wrap; }
  .cases-tab-btn { padding: 8px 12px; font-size: 13px; }
  .case-detail { padding: 24px 20px; }
  .process__step { flex: 0 0 calc(50% - 16px); }
}

/* ===== Dark section overrides ===== */
.section--dark .section-title,
.section--dark-alt .section-title { color: #fff; }
.section--dark-alt { background: var(--dark-section-alt); color: var(--dark-text); }
.section--dark .process__title { color: var(--dark-text); }
.section--dark .process__desc { color: var(--dark-text-secondary); }
.section--dark .process__node { background: var(--accent); box-shadow: 0 0 12px rgba(14,165,233,0.4); }
.section--dark .process__time { color: #38bdf8; }
.section--dark .process__connector { background: linear-gradient(90deg, var(--accent), var(--green)); opacity: 0.5; }
.section--dark-alt .faq__group-title { border-bottom-color: rgba(255,255,255,0.12); }
.section--dark-alt .faq__item { border-bottom-color: rgba(255,255,255,0.08); }
.section--dark-alt .faq-question { color: var(--dark-text); }
.section--dark-alt .faq-answer p { color: var(--dark-text-secondary); }
.section--dark-alt .faq-question:hover { color: var(--accent); }
.section--dark-alt .section-subtitle { color: var(--dark-text-secondary); }

/* ===== GEO版块1：行业趋势数据 ===== */
.section-stats {
  background: #060F1E;
  padding: 16px 0 24px;
}
.stats-header {
  text-align: center;
  margin-bottom: 24px;
}
.stats-title {
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
}
.stats-subtitle {
  font-size: 1rem;
  color: #94A3B8;
  margin-top: 8px;
}
.stats-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
}
.stat-item {
  flex: 1 1 160px;
  max-width: 200px;
  text-align: center;
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-en);
  background: linear-gradient(135deg, #0EA5E9, #10B981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label {
  font-size: 1rem;
  color: #E2E8F0;
  font-weight: 600;
  margin: 8px 0 4px;
  line-height: 1.4;
}
.stat-desc {
  font-size: 0.8rem;
  color: #64748B;
  line-height: 1.5;
}

/* ===== GEO版块2：AI平台覆盖矩阵 ===== */
.section-platforms {
  background: transparent;
  padding: 28px 0;
}
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.platform-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: 12px;
  padding: 24px 20px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.platform-card:hover {
  border-color: rgba(14,165,233,0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(14,165,233,0.1);
}
.platform-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary-text);
  margin-bottom: 6px;
}
.platform-mau {
  font-size: 0.9rem;
  font-weight: 600;
  color: #0EA5E9;
  margin-bottom: 8px;
}
.platform-desc {
  font-size: 0.85rem;
  color: #6B7280;
  line-height: 1.55;
}

/* ===== GEO版块3：GEO vs SEO对比表 ===== */
.section-geo-compare {
  background: transparent;
  padding: 28px 0;
}
.geo-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(14,165,233,0.08);
}
.geo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.geo-th {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: left;
}
.geo-th--dim {
  background: #0F172A;
  color: #94A3B8;
  width: 14%;
}
.geo-th--seo {
  background: #0F172A;
  color: #FFFFFF;
  width: 38%;
}
.geo-th--geo {
  background: #0F172A;
  color: #38BDF8;
  width: 48%;
}
.geo-td {
  padding: 14px 20px;
  font-size: 0.92rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
}
.geo-td--dim {
  background: rgba(14,165,233,0.06);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
}
.geo-td--geo {
  background: rgba(14,165,233,0.06);
  color: #0369A1;
  font-weight: 500;
}
.geo-tr--alt td {
  background-color: rgba(255,255,255,0.02);
}
.geo-tr--alt .geo-td--dim {
  background-color: rgba(14,165,233,0.09);
}
.geo-tr--alt .geo-td--geo {
  background-color: rgba(14,165,233,0.1);
}

/* ===== GEO三版块响应式 ===== */
@media (max-width: 900px) {
  .platforms-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .stats-grid { gap: 20px; }
  .stat-item { flex: 1 1 140px; max-width: 160px; }
  .stat-number { font-size: 2rem; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .geo-table { font-size: 0.82rem; }
  .geo-th, .geo-td { padding: 10px 12px; }
}

/* ===== Hero下方中间板块隐藏 — 直接衔接四大核心能力 ===== */
.section-stats,
.section-platforms,
.section-geo-compare {
  display: none;
}

/* ════════════════════════════════════════════════
   V3 · 深空科技主题覆盖层 + 新组件
   ════════════════════════════════════════════════ */

/* ---------- 全局深色修正 ---------- */
body {
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(14,165,233,0.08), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, rgba(26,58,107,0.35), transparent 60%),
    var(--bg);
}
.section--alt { background: var(--section-alt); }

/* 导航栏：深色玻璃 */
.navbar { background: rgba(3,11,26,0.55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(14,165,233,0.10); }
.navbar--scrolled { background: rgba(3,11,26,0.85); box-shadow: 0 2px 24px rgba(14,165,233,0.10); border-bottom-color: rgba(14,165,233,0.22); }
.navbar__link { color: var(--text-secondary); }
.navbar__link:hover { color: #fff; }
.navbar__cta { background: linear-gradient(135deg, var(--accent), #2563EB); color: #fff; border: none; box-shadow: 0 0 18px rgba(14,165,233,0.35); }
.navbar__cta:hover { box-shadow: 0 0 28px rgba(14,165,233,0.6); }
.navbar__hamburger span { background: var(--text); }
.mobile-menu { background: rgba(3,11,26,0.97); }
.mobile-menu a { color: var(--text); border-bottom: 1px solid rgba(14,165,233,0.08); }

/* 品牌区：K标 + 发光文字 */
.navbar__brand { display: flex; align-items: center; gap: 10px; }
.navbar__brand .logo-img { height: 34px; width: auto; filter: drop-shadow(0 0 8px rgba(14,165,233,0.45)); }
.navbar__brand-name { font-weight: 700; font-size: 19px; letter-spacing: 1px; color: #fff; }
.navbar__brand-name b { background: linear-gradient(90deg,#7DD3FC,var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 浅色卡片 → 玻璃拟态 ---------- */
.service-card, .case-detail, .why-card, .platform-card, .faq__item,
.contact__form-wrap, .geo-card__left, .geo-card__right {
  background: linear-gradient(160deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
  border: 1px solid rgba(14,165,233,0.14);
  box-shadow: 0 4px 28px rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.service-card:hover, .case-detail:hover, .why-card:hover, .platform-card:hover {
  border-color: rgba(14,165,233,0.45);
  box-shadow: 0 8px 40px rgba(14,165,233,0.16), 0 0 0 1px rgba(14,165,233,0.18) inset;
}
.service-card--featured {
  background: linear-gradient(160deg, rgba(14,165,233,0.12), rgba(212,167,72,0.05));
  border-color: rgba(212,167,72,0.35);
}
.service-card__title, .case-detail__title, .why-card__title, .platform-name { color: #fff; }
.service-card__subtitle, .case-detail__field, .why-card__desc, .platform-desc { color: var(--text-secondary); }
.service-card__tag, .case-detail__tags span {
  background: rgba(14,165,233,0.10);
  color: #7DD3FC;
  border: 1px solid rgba(14,165,233,0.22);
}
.service-badge { background: linear-gradient(135deg, var(--primary), #0F2547); color: #BFDBFE; border: 1px solid rgba(14,165,233,0.3); }
.service-card__icon, .why-card__icon { background: rgba(14,165,233,0.10); border: 1px solid rgba(14,165,233,0.25); box-shadow: 0 0 18px rgba(14,165,233,0.15); }

/* 章节标题统一发光渐变 */
.section-title { color: #fff; }
.section-title::after {
  content: ''; display: block; width: 56px; height: 3px; margin: 14px auto 0;
  background: linear-gradient(90deg, transparent, var(--accent), var(--gold), transparent);
  border-radius: 2px;
}
.section-subtitle { color: var(--text-secondary); }

/* FAQ */
.faq-question { color: #fff; }
.faq-answer { color: var(--text-secondary); }
.faq__item { border-radius: 12px; margin-bottom: 12px; }

/* 表单 */
.form-input, .form-textarea, .contact-card input, .contact-card textarea {
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid rgba(14,165,233,0.2);
  color: var(--text);
}
.form-input::placeholder, .form-textarea::placeholder { color: #5B7191; }
.form-input:focus, .form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,165,233,0.18), 0 0 20px rgba(14,165,233,0.12); }
.form-label { color: var(--text); }

/* 表格/矩阵类 */
.compare-table th { background: rgba(14,165,233,0.08); color: #fff; }
.compare-table td { border-color: rgba(14,165,233,0.12); color: var(--text-secondary); }
.compare-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* ---------- 开场加载页 ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background:
    radial-gradient(800px 500px at 50% 42%, rgba(14,165,233,0.10), transparent 65%),
    #02060F;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.7s ease, visibility 0.7s;
}
#preloader.done { opacity: 0; visibility: hidden; pointer-events: none; }
#preloader canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.preloader__mark { position: relative; width: 200px; height: 140px; z-index: 2; }
.preloader__mark svg { width: 100%; height: 100%; overflow: visible; }
.preloader__mark .stroke {
  fill: none; stroke: url(#kq-grad); stroke-width: 7; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
  animation: kq-draw 1.6s cubic-bezier(0.6, 0, 0.3, 1) forwards;
  filter: drop-shadow(0 0 10px rgba(14,165,233,0.7));
}
.preloader__mark .stroke:nth-child(3) { animation-delay: 0.25s; }
.preloader__mark .stroke:nth-child(4) { animation-delay: 0.5s; }
.preloader__core {
  position: absolute; left: 50%; top: 50%; width: 34px; height: 34px;
  transform: translate(-50%, -50%) scale(0);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFE9B8, var(--gold) 55%, #8A6420);
  box-shadow: 0 0 24px rgba(212,167,72,0.9), 0 0 70px rgba(212,167,72,0.4);
  animation: kq-core 0.6s 1.35s cubic-bezier(0.2, 1.6, 0.4, 1) forwards;
}
.preloader__core::after {
  content: 'AI'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-weight: 800; font-size: 12px; color: #1A1206; letter-spacing: 0.5px;
}
@keyframes kq-draw { to { stroke-dashoffset: 0; } }
@keyframes kq-core { to { transform: translate(-50%, -50%) scale(1); } }

.preloader__name {
  z-index: 2; margin-top: 34px; display: flex; align-items: baseline; gap: 12px;
  opacity: 0; animation: kq-fadeup 0.6s 1.7s ease forwards;
}
.preloader__name .cn { font-size: 26px; font-weight: 700; letter-spacing: 6px; color: #fff; }
.preloader__name .en { font-family: var(--font-en); font-size: 11px; letter-spacing: 3px; color: var(--text-secondary); text-transform: uppercase; }
@keyframes kq-fadeup { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.preloader__bar { z-index: 2; margin-top: 40px; width: 240px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; }
.preloader__bar i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), #7DD3FC, var(--gold));
  box-shadow: 0 0 12px rgba(14,165,233,0.8);
  transition: width 0.25s ease;
}
.preloader__pct { z-index: 2; margin-top: 14px; font-family: var(--font-en); font-size: 13px; letter-spacing: 2px; color: var(--text-secondary); }
.preloader__pct b { color: #7DD3FC; font-weight: 600; }

/* 完成时的光波爆发 */
.preloader__burst {
  position: absolute; left: 50%; top: 45%; width: 10px; height: 10px; border-radius: 50%;
  transform: translate(-50%, -50%); pointer-events: none; opacity: 0;
  box-shadow: 0 0 0 0 rgba(14,165,233,0.55);
}
#preloader.bursting .preloader__burst { animation: kq-burst 0.75s ease-out forwards; }
@keyframes kq-burst {
  0% { opacity: 1; box-shadow: 0 0 0 0 rgba(14,165,233,0.55); }
  100% { opacity: 0; box-shadow: 0 0 0 120vmax rgba(14,165,233,0); }
}

/* ---------- Hero 强化 ---------- */
.hero { background: transparent; }
.hero__title {
  background: linear-gradient(100deg, #FFFFFF 30%, #7DD3FC 55%, #FFFFFF 75%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: kq-sheen 5.5s linear infinite;
}
@keyframes kq-sheen { 0% { background-position: 120% 0; } 100% { background-position: -120% 0; } }
.btn--primary {
  position: relative;
  background: linear-gradient(135deg, var(--accent), #2563EB);
  box-shadow: 0 0 24px rgba(14,165,233,0.45);
  animation: kq-breathe 2.8s ease-in-out infinite;
}
@keyframes kq-breathe {
  0%, 100% { box-shadow: 0 0 18px rgba(14,165,233,0.35); }
  50% { box-shadow: 0 0 34px rgba(14,165,233,0.65); }
}
.hero__badge { border: 1px solid rgba(14,165,233,0.35); background: rgba(14,165,233,0.08); color: #7DD3FC; }
.hero__stats { color: var(--text-secondary); }
.hero__stats b { color: var(--gold); }

/* 滚动提示 */
.hero__scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 24px; height: 40px; border: 1.5px solid rgba(141,163,191,0.5); border-radius: 12px; z-index: 3;
}
.hero__scroll-hint::before {
  content: ''; position: absolute; left: 50%; top: 7px; width: 3px; height: 8px; margin-left: -1.5px;
  border-radius: 2px; background: var(--accent);
  animation: kq-scrollhint 1.8s ease-in-out infinite;
}
@keyframes kq-scrollhint { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- 3D 倾斜卡片 ---------- */
.tilt { transform-style: preserve-3d; will-change: transform; transition: transform 0.18s ease-out; }
.tilt .tilt-glare {
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(320px circle at var(--gx, 50%) var(--gy, 50%), rgba(125,211,252,0.14), transparent 60%);
  opacity: 0; transition: opacity 0.25s;
}
.tilt:hover .tilt-glare { opacity: 1; }
.service-card, .case-detail, .why-card, .platform-card { position: relative; overflow: hidden; }

/* ---------- 流程时间线能量流 ---------- */
.process__step { position: relative; }
.process__step::before {
  content: ''; position: absolute; top: -1px; left: 10%; right: 10%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.process__step.lit::before { opacity: 1; }
.process__step.lit .process__node {
  color: var(--gold);
  text-shadow: 0 0 16px rgba(212,167,72,0.6);
}

/* ---------- 数据发光 ---------- */
.stat-number, [data-count] { text-shadow: 0 0 24px rgba(14,165,233,0.35); }
.section-stats { position: relative; overflow: hidden; }
.section-stats::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 50% 0%, rgba(14,165,233,0.08), transparent 70%);
}

/* ---------- Footer ---------- */
.footer { background: #020814; border-top: 1px solid rgba(14,165,233,0.1); }
.footer__brand { display: flex; align-items: center; justify-content: center; gap: 10px; }
.footer__brand img { height: 30px; filter: drop-shadow(0 0 8px rgba(14,165,233,0.4)); }

/* ---------- 降级与无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  #preloader { display: none !important; }
  .hero__title { animation: none; background-position: 0 0; }
  .btn--primary { animation: none; }
  .tilt { transition: none !important; transform: none !important; }
}
@media (max-width: 768px) {
  .preloader__mark { width: 150px; height: 105px; }
  .preloader__name .cn { font-size: 20px; letter-spacing: 4px; }
  .tilt { transform: none !important; }
}

/* ---------- AI 问答模拟窗口（GEO卡右侧） ---------- */
.ai-demo {
  position: relative; margin-top: 22px; border-radius: 12px; overflow: hidden;
  background: rgba(2,10,24,0.75);
  border: 1px solid rgba(14,165,233,0.25);
  box-shadow: 0 0 30px rgba(14,165,233,0.10) inset, 0 8px 28px rgba(0,0,0,0.4);
}
.ai-demo__bar {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 14px; background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(14,165,233,0.15);
}
.ai-demo__dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(125,211,252,0.35); }
.ai-demo__dot:first-child { background: rgba(239,68,68,0.6); }
.ai-demo__dot:nth-child(2) { background: rgba(212,167,72,0.65); }
.ai-demo__dot:nth-child(3) { background: rgba(16,185,129,0.6); }
.ai-demo__title { margin-left: 8px; font-size: 11px; letter-spacing: 1px; color: var(--text-secondary); }
.ai-demo__body { padding: 14px 16px 16px; font-size: 13px; line-height: 1.7; }
.ai-demo__q {
  display: inline-block; padding: 6px 12px; margin-bottom: 12px;
  background: rgba(14,165,233,0.14); border: 1px solid rgba(14,165,233,0.25);
  border-radius: 14px 14px 14px 3px; color: #BFE7FC;
}
.ai-demo__a { color: var(--text-secondary); }
.ai-demo__brand {
  display: flex; align-items: center; gap: 10px; margin: 8px 0 4px;
}
.ai-demo__brand b { color: #fff; font-size: 14px; }
.ai-demo__badge {
  font-style: normal; font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
  padding: 2px 8px; border-radius: 10px; color: #1A1206;
  background: linear-gradient(135deg, #FFE9B8, var(--gold));
  box-shadow: 0 0 12px rgba(212,167,72,0.5);
  animation: kq-badge 2.4s ease-in-out infinite;
}
@keyframes kq-badge {
  0%, 100% { box-shadow: 0 0 8px rgba(212,167,72,0.35); }
  50% { box-shadow: 0 0 18px rgba(212,167,72,0.75); }
}
.ai-demo__dim { opacity: 0.65; font-size: 12px; }
.ai-demo__note {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(14,165,233,0.12);
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.75;
}
/* 扫描光线自上而下 */
.ai-demo__scan {
  position: absolute; left: 0; right: 0; top: -40%; height: 34%;
  background: linear-gradient(180deg, transparent, rgba(14,165,233,0.07), transparent);
  animation: kq-scan 3.6s linear infinite; pointer-events: none;
}
@keyframes kq-scan { to { top: 110%; } }
@media (prefers-reduced-motion: reduce) {
  .ai-demo__scan, .ai-demo__badge { animation: none; }
}

/* ---------- 统一边框 · 圆角 · 分割线体系 ---------- */
/* 主卡片统一 14px 圆角、统一描边色 */
.service-card, .case-detail, .why-card, .platform-card,
.contact__form-wrap, .geo-card__left, .geo-card__right, .faq__item {
  border-radius: 14px;
  border-color: rgba(14,165,233,0.16);
}
/* 内嵌面板统一 10px */
.geo-anchors, .geo-service-list, .ai-demo { border-radius: 10px; }
/* 标签统一胶囊 */
.service-card__tag {
  background: rgba(14,165,233,0.14);
  color: #7DD3FC;
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: 20px;
  padding: 4px 12px;
}
/* 卡片内部分割线统一 */
.service-card__value { border-top: 1px solid rgba(14,165,233,0.12); }
.geo-anchor + .geo-anchor { border-top: 1px solid rgba(14,165,233,0.10); padding-top: 14px; }

/* ---------- V3.1 · 核心能力板块结构重构：拆掉大盒子，统一网格语言 ---------- */
/* 任务187：GEO 已收小为与其他业务卡同级的普通卡，原「隐形网格容器」透明化规则失效，
   保留会使其失去边框与背景，故移除；GEO 卡改为继承标准 .service-card 样式。 */
/* 左右两栏升级为与其他服务卡同规格的独立卡片 */
.geo-card__left, .geo-card__right {
  padding: 32px;
  border-radius: 14px;
}
/* 与下方小卡同款的顶部扫光条，建立视觉血缘 */
.geo-card__left::before, .geo-card__right::before {
  content: '';
  display: block;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, rgba(14,165,233,0.85), rgba(212,167,72,0.75), transparent 85%);
  margin: -32px -32px 20px -32px;
  opacity: 0.8;
}
/* 标签恢复为与其他卡一致的胶囊，不再是通栏条 */
.geo-card__left .service-card__tag {
  display: inline-block;
  width: auto;
  align-self: flex-start;
}
/* 步骤序号：实心亮蓝 → 玻璃描边，融入深色语系 */
.geo-step__num {
  background: rgba(14,165,233,0.12);
  border: 1px solid rgba(14,165,233,0.45);
  color: #7DD3FC;
  box-shadow: 0 0 10px rgba(14,165,233,0.15);
}
/* 内嵌面板与卡片留出呼吸感 */
.geo-anchors, .geo-service-list { padding: 18px 20px; }
.geo-card__right { gap: 18px; }
.ai-demo { margin-top: 4px; }
/* 移动端：两栏叠放后保持同样间距 */
@media (max-width: 900px) {
  .service-card--geo { grid-template-columns: 1fr; gap: 20px; }
  .geo-card__left, .geo-card__right { padding: 24px; }
  .geo-card__left::before, .geo-card__right::before { margin: -24px -24px 16px -24px; }
}

/* ---------- V3.2 · Hero 品牌主场 ---------- */
.hero__brand {
  display: flex; align-items: center; gap: 16px; margin-bottom: 26px;
}
.hero__brand-logo {
  height: 64px; width: auto;
  filter: drop-shadow(0 0 16px rgba(14,165,233,0.55)) drop-shadow(0 0 34px rgba(14,165,233,0.25));
  animation: kq-logo-breathe 3.4s ease-in-out infinite;
}
@keyframes kq-logo-breathe {
  0%,100% { filter: drop-shadow(0 0 12px rgba(14,165,233,0.45)) drop-shadow(0 0 28px rgba(14,165,233,0.2)); }
  50%     { filter: drop-shadow(0 0 20px rgba(14,165,233,0.75)) drop-shadow(0 0 44px rgba(14,165,233,0.35)); }
}
.hero__brand-text { display: flex; flex-direction: column; gap: 4px; }
.hero__brand-cn {
  font-size: 30px; font-weight: 800; letter-spacing: 8px; line-height: 1; color: #fff;
  text-shadow: 0 0 22px rgba(125,211,252,0.35);
}
.hero__brand-en {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  letter-spacing: 4.2px; color: #6E92C0;
}
/* 导航品牌字体也加重一档 */
.navbar__brand-name { font-size: 20px; letter-spacing: 2px; font-weight: 800; }
/* 加载页核心位置对准新K的交点 */
.preloader__core { top: 52%; }
@media (max-width: 768px) {
  .hero__brand { gap: 12px; margin-bottom: 20px; }
  .hero__brand-logo { height: 48px; }
  .hero__brand-cn { font-size: 23px; letter-spacing: 5px; }
  .hero__brand-en { font-size: 9px; letter-spacing: 3px; }
}
@media (prefers-reduced-motion: reduce) { .hero__brand-logo { animation: none; } }

/* ---------- V3.3 · 流程节点重设计：实心刺眼 → 玻璃描边 ---------- */
.section--dark .process__node,
.process__node {
  background: rgba(14,165,233,0.10);
  border: 1.5px solid rgba(14,165,233,0.45);
  color: #7DD3FC;
  box-shadow: 0 0 14px rgba(14,165,233,0.15), 0 0 0 4px rgba(14,165,233,0.05);
  font-size: 15px;
  letter-spacing: 0.5px;
}
/* 点亮态：金色描边 + 金色数字，不再填充实色 */
.process__step.lit .process__node {
  background: rgba(212,167,72,0.10);
  border-color: rgba(212,167,72,0.75);
  color: #EFC15A;
  text-shadow: 0 0 12px rgba(212,167,72,0.5);
  box-shadow: 0 0 18px rgba(212,167,72,0.28), 0 0 0 4px rgba(212,167,72,0.06);
  transition: border-color 0.5s, color 0.5s, box-shadow 0.5s, background 0.5s;
}
/* 连接线：蓝绿渐变 → 统一青色流光 */
.section--dark .process__connector,
.process__connector {
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.55), transparent);
  opacity: 1;
}
.process__step.lit ~ .process__step .process__connector { opacity: 0.4; }
/* 时长文字统一亮青 */
.section--dark .process__time, .process__time { color: #7DD3FC; }

/* ════════════════════════════════════════════════
   V5 · 板块动态背景（移植品牌PPT data-fx 场景）
   ════════════════════════════════════════════════ */

/* 动效宿主：绝对定位铺满板块，永不拦截点击，永不撑出滚动条 */
.fx-host {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

/* 承载动效的板块统一建立定位与裁剪上下文，内容层压在动效之上 */
.has-fx { position: relative; overflow: hidden; }
.has-fx > .container { position: relative; z-index: 1; }
/* 卡片级动效：除画布外的直接子元素统一抬到画布之上，避免正文被画布盖住 */
.service-card.has-fx > *:not(.fx-host) { position: relative; z-index: 1; }

/* 板块语义配色：--fxc 主色 / --fxc2 辅色，由 fx.js 读取 */
/* 任务187第4项：四大核心能力整区背景承接原公司介绍区的数据流；
 * --fx-gain 压到 0.4 退为远景，与卡内 data-stream 形成景深不打架。 */
.fx--services  { --fxc: #10B981; --fxc2: #0EA5E9; --fx-gain: 0.4; }  /* 数据流 · 四大核心能力整区背景 */
.fx--aihero    { --fxc: #10B981; --fxc2: #0EA5E9; }  /* 数据流 · AI定制 */
.fx--chain     { --fxc: #0EA5E9; --fxc2: #D4A748; }  /* 轨道环 · 服务全链路 */
.fx--system    { --fxc: #10B981; --fxc2: #0EA5E9; }  /* 数据流 · 系统搭建 */
.fx--scenarios { --fxc: #0EA5E9; --fxc2: #D4A748; }  /* 星座连线 · 客户起点 */
.fx--process   { --fxc: #0EA5E9; --fxc2: #D4A748; }  /* 轨道环 · 交付流程 */
.fx--contact   { --fxc: #0EA5E9; --fxc2: #D4A748; }  /* 星系漩涡 · 转化 */
.fx--cases     { --fxc: #4FC7FF; --fxc2: #0EA5E9; }  /* 星链 · 案例 */

/* 动效之上压一层柔化罩，保证正文对比度不被粒子干扰 */
.has-fx::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(120% 90% at 50% 50%, rgba(3,11,26,0.55), rgba(3,11,26,0.86));
}
.section--alt.has-fx::after {
  background: radial-gradient(120% 90% at 50% 50%, rgba(6,18,36,0.55), rgba(6,18,36,0.88));
}
/* 卡片内动效面积小、正文密度高，罩层再压暗一档保证可读性 */
.service-card.has-fx::after {
  background: linear-gradient(180deg, rgba(3,11,26,0.72), rgba(3,11,26,0.88));
}
/* 系统搭建卡是数据中台全景图的主展示位：罩层放松，让 hex 数据流可见，
   正文靠自身 z-index 与文字阴影保证对比度 */
.service-card.fx--system.has-fx::after {
  background: linear-gradient(180deg, rgba(3,11,26,0.42), rgba(3,11,26,0.64));
}
.service-card.fx--system .service-card__title,
.service-card.fx--system .service-card__subtitle,
.service-card.fx--system .service-card__list li,
.service-card.fx--system .service-card__value {
  text-shadow: 0 1px 10px rgba(3,11,26,0.9), 0 0 24px rgba(3,11,26,0.7);
}

/* ---------- 服务全链路（PPT 第03页移植） ---------- */
.chain__track {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
  margin-top: 40px;
}
.chain__step {
  flex: 1 1 0;
  min-width: 0;
  padding: 22px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  text-align: left;
}
.chain__num {
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 10px;
}
.chain__act {
  display: block;
  font-size: 1.22rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}
.chain__svc {
  display: block;
  font-size: 0.92rem;
  color: var(--primary-text);
  margin-bottom: 8px;
}
.chain__desc {
  display: block;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.chain__arrow {
  align-self: center;
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 20px;
  opacity: 0.6;
}
.chain__foot {
  margin-top: 26px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ---------- 四类客户起点（PPT 第12页移植） ---------- */
.scenarios__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.scenario-card {
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255,255,255,0.035);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14,165,233,0.4);
}
.scenario-card__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 14px;
}
.scenario-card__mark--a { background: rgba(14,165,233,0.14); color: #4FC7FF; }
.scenario-card__mark--b { background: rgba(212,167,72,0.14); color: var(--gold); }
.scenario-card__mark--c { background: rgba(16,185,129,0.14); color: var(--green); }
.scenario-card__mark--d { background: rgba(157,140,255,0.14); color: #BCAFFF; }
.scenario-card__title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}
.scenario-card__q {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 12px;
}
.scenario-card__start {
  font-size: 0.86rem;
  color: var(--primary-text);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .chain__track { flex-wrap: wrap; gap: 14px; }
  .chain__step { flex: 1 1 44%; }
  .chain__arrow { display: none; }
  .scenarios__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .chain__step { flex: 1 1 100%; }
  .scenarios__grid { grid-template-columns: 1fr; gap: 14px; }
}

/* ---------- 减少动态效果：动效宿主整体不渲染 ---------- */
@media (prefers-reduced-motion: reduce) {
  .fx-host { display: none !important; }
  .scenario-card { transition: none !important; }
  .scenario-card:hover { transform: none !important; }
}

/* ================================================================
   任务184新增：公司介绍 / 企业文化 / 数字建站双屏演示台
   配色一律沿用既有深空科技风变量，不引入任何白底
   ================================================================ */

/* ---------- 公司介绍：区首眉标「公司介绍」 ---------- */
/* 任务188：此前无专属定义，靠 <span> 缺省 16px 显示；现放大到 1.125rem(18px)
   并与下方三个眉标统一等宽字体风格，仍低于 .sec-title 的 h2 缺省 24px */
#about .sec-eyebrow {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary-text);
  margin-bottom: 12px;
}

/* ---------- 公司介绍：小标题通用 ---------- */
/* 任务188：字号 0.72rem→1.1rem 放大醒目，字间距同步收窄避免大字号下过散；
   仍稳在 .sec-title(24px) 之下保持层级 */
.about__who-label,
.about__era-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary-text);
  margin-bottom: 16px;
}
.about__who-label--center { text-align: center; }

/* ---------- 时代背景：大字引言 ---------- */
.about__era {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 44px auto 0;
  padding: 34px 38px;
  border-radius: 14px;
  background: linear-gradient(150deg, rgba(14,165,233,0.07), rgba(3,11,26,0) 62%);
  border: 1px solid var(--border);
  border-left: 2px solid rgba(14,165,233,0.5);
}
.about__era-text {
  font-size: 1.04rem;
  line-height: 1.95;
  color: var(--text-secondary);
}
.about__era-punch {
  margin-top: 22px;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 800;
  line-height: 1.4;
  background: linear-gradient(100deg, #EAF6FB 10%, var(--primary-text) 50%, #E8C887 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--text);
}
.about__era-tail {
  margin-top: 12px;
  font-size: 0.94rem;
  color: var(--text-secondary);
}

/* ---------- 锟乾是谁 + 寓意 ---------- */
.about__who {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 22px;
  align-items: start;
  margin-top: 24px;
}
.about__who-main {
  padding: 30px 32px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.about__who-main p {
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.about__who-main b { color: var(--text); font-weight: 700; }

/* 寓意卡：金色点缀，深色底 */
.about__meaning {
  padding: 30px 26px;
  border-radius: 12px;
  text-align: center;
  background: linear-gradient(165deg, rgba(212,167,72,0.10), rgba(3,11,26,0) 70%);
  border: 1px solid rgba(212,167,72,0.24);
}
.about__meaning-cn {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text);
  line-height: 1;
}
.about__meaning-cn b { color: var(--gold); font-weight: 800; }
.about__meaning-poem {
  margin-top: 14px;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.about__meaning-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(212,167,72,0.2);
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ---------- 解决什么问题：痛点清单 + 三次跨越 ---------- */
.about__problem { position: relative; z-index: 2; margin-top: 48px; }
.about__problem-head p {
  max-width: 760px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.pain-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.pain-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
/* 痛点标记：纯CSS叉号，不依赖字体图标 */
.pain-list li i {
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border-radius: 50%;
  border: 1px solid rgba(232,120,120,0.55);
}
.pain-list li i::before,
.pain-list li i::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 6.5px;
  width: 8px;
  height: 1px;
  background: rgba(240,150,150,0.9);
}
.pain-list li i::before { transform: rotate(45deg); }
.pain-list li i::after { transform: rotate(-45deg); }

.leap-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 22px;
}
.leap-card {
  padding: 22px 20px;
  border-radius: 12px;
  background: linear-gradient(155deg, rgba(14,165,233,0.09), rgba(3,11,26,0) 68%);
  border: 1px solid var(--border);
  border-top: 2px solid rgba(14,165,233,0.5);
}
.leap-idx {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--primary-text);
}
.leap-card b {
  display: block;
  margin-top: 10px;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text);
}
.leap-card b i {
  font-style: normal;
  margin: 0 6px;
  color: var(--accent);
}

/* ---------- 凭什么做 ---------- */
.about__why { position: relative; z-index: 2; margin-top: 48px; }
.why3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.why3__item {
  padding: 26px 24px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: border-color 0.25s, transform 0.3s ease;
}
.why3__item:hover {
  transform: translateY(-3px);
  border-color: rgba(14,165,233,0.42);
}
.why3__item h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
  color: var(--text);
}
.why3__item p {
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--text-secondary);
}

/* ---------- 公司信息（营业执照口径） ---------- */
.about__facts {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.fact {
  padding: 16px 18px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.fact--wide { grid-column: span 1; }
.fact span {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}
.fact b {
  display: block;
  margin-top: 6px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
}

/* ================= 企业文化 ================= */
/* ---------- 品牌主张：全幅大字 ---------- */
.claim {
  position: relative;
  z-index: 2;
  max-width: 940px;
  margin: 44px auto 0;
  padding: 42px 48px;
  border-radius: 16px;
  text-align: center;
  background: linear-gradient(150deg, rgba(14,165,233,0.10), rgba(212,167,72,0.05) 78%, rgba(3,11,26,0));
  border: 1px solid var(--border);
  font-size: clamp(1.3rem, 2.9vw, 2.05rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
}
.claim__mark {
  display: block;
  font-size: 3rem;
  line-height: 0.6;
  color: rgba(212,167,72,0.5);
  margin-bottom: 10px;
}
.claim cite {
  display: block;
  margin-top: 20px;
  font-style: normal;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--primary-text);
}

/* ---------- 使命 / 愿景 ---------- */
.mv-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.mv-card {
  padding: 30px 30px 28px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: 2px solid rgba(212,167,72,0.45);
}
.mv-card__label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.mv-card h3 {
  margin: 14px 0 12px;
  font-size: 1.16rem;
  line-height: 1.65;
  color: var(--text);
}
.mv-card p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- 价值观四条：理念 + 承诺 ---------- */
.values { position: relative; z-index: 2; margin-top: 52px; }
.values__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.value-card {
  position: relative;
  padding: 30px 28px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: border-color 0.25s, transform 0.3s ease;
}
.value-card:hover {
  transform: translateY(-3px);
  border-color: rgba(14,165,233,0.42);
}
.value-card__no {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(168,203,255,0.28);
}
.value-card__title {
  margin: 12px 0 10px;
  font-size: 1.1rem;
  color: var(--text);
}
.value-card__lead {
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-secondary);
}
/* 理念/承诺定义列表：左侧标签 + 右侧正文 */
.value-card dl {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
}
.value-card dt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary-text);
  white-space: nowrap;
  padding-top: 2px;
}
.value-card dd {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--text-secondary);
}

/* ---------- 服务哲学 ---------- */
.philosophy {
  position: relative;
  z-index: 2;
  margin-top: 44px;
  padding: 28px 32px;
  border-radius: 12px;
  border: 1px solid rgba(212,167,72,0.22);
  background: rgba(212,167,72,0.05);
  text-align: center;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ---------- 合作方式引言 ---------- */
.coop-lede {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto 42px;
  padding: 28px 32px;
  border-radius: 12px;
  text-align: center;
  background: linear-gradient(150deg, rgba(14,165,233,0.08), rgba(3,11,26,0) 70%);
  border: 1px solid var(--border);
}
.coop-lede__punch {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
}
.coop-lede__text {
  margin-top: 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
}
.coop-lede__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.coop-lede__flow span {
  font-size: 0.87rem;
  font-weight: 700;
  color: var(--primary-text);
}
.coop-lede__flow i {
  font-style: normal;
  color: var(--accent);
  opacity: 0.7;
}
@media (max-width: 640px) {
  .coop-lede { padding: 22px 18px; margin-bottom: 32px; }
}

/* ---------- 数字建站：双屏演示台（移植PPT，按卡片宽度缩放） ---------- */
.device-stage {
  position: relative;
  height: 210px;
  margin: 22px 0 18px;
}
.device-stage .device {
  position: absolute;
  border: 5px solid #1c2b34;
  background: #07131f;
  box-shadow: 0 14px 40px rgba(3,8,16,0.5);
}
.device-stage .device-screen {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 66% 38%, rgba(45,212,238,0.24), transparent 24%),
    linear-gradient(135deg, #081722, #0c1b26 65%, #102e3c);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
  color: #e8edf2;
}
.device-stage .device-screen span { font-size: 0.92rem; font-weight: 800; }
.device-stage .device-screen small {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.58rem;
  color: rgba(232,237,242,0.56);
  margin-top: 4px;
}
.device-stage .device-desktop {
  width: 232px;
  height: 145px;
  border-radius: 8px;
  right: 0;
  top: 12px;
}
.device-stage .device-phone {
  width: 76px;
  height: 152px;
  border-radius: 14px;
  border-width: 4px;
  left: 4px;
  bottom: 4px;
}
/* 手机屏内边距与字号收窄，避免「小程序」被逐字折行 */
.device-stage .device-phone .device-screen { padding: 10px 6px; }
.device-stage .device-phone .device-screen span {
  font-size: 0.76rem;
  letter-spacing: 0;
  white-space: nowrap;
}
.device-stage .device-phone .device-screen small { font-size: 0.5rem; }
.device-stage .phone-mark {
  font: 700 2rem/1 Arial, sans-serif;
  font-style: normal;
  color: var(--primary-text);
  margin-bottom: auto;
  opacity: 0.84;
}
.device-stage .screen-orbit {
  position: absolute;
  width: 150px;
  height: 76px;
  border: 1px solid rgba(45,212,238,0.7);
  border-radius: 50%;
  right: -26px;
  top: 18px;
  animation: device-orbit-spin 16s linear infinite;
}
@keyframes device-orbit-spin {
  from { transform: rotate(-22deg); }
  to { transform: rotate(338deg); }
}

/* ---------- 新板块响应式 ---------- */
@media (max-width: 900px) {
  .about__who { grid-template-columns: 1fr; }
  .about__facts { grid-template-columns: repeat(2, 1fr); }
  .values__grid { grid-template-columns: 1fr; }
  .mv-row { grid-template-columns: 1fr; }
  .why3 { grid-template-columns: 1fr; }
  .leap-row { grid-template-columns: 1fr; }
  .pain-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .about__era { padding: 26px 22px; margin-top: 32px; }
  .about__who-main, .about__meaning { padding: 24px 20px; }
  .value-card { padding: 24px 20px; }
  .claim { padding: 30px 22px; }
  .about__facts { grid-template-columns: 1fr; }
  .philosophy { padding: 20px; font-size: 0.94rem; }
  /* 移动端降级：双屏演示台缩放到窄屏可容纳 */
  .device-stage { height: 170px; }
  .device-stage .device-desktop { width: 180px; height: 112px; }
  .device-stage .device-phone { width: 62px; height: 122px; }
  .device-stage .screen-orbit { width: 110px; height: 56px; right: -18px; }
}

/* ---------- 新板块：减少动态效果兜底 ---------- */
@media (prefers-reduced-motion: reduce) {
  .device-stage .screen-orbit { animation: none !important; }
  .value-card, .why3__item { transition: none !important; }
  .value-card:hover, .why3__item:hover { transform: none !important; }
}

/* ════════════════════════════════════════════════
   任务185 · 四大业务动效（移植品牌PPT：系统搭建 system-map / AI定制 ai-console）
   配色统一深空科技风，尺寸按卡片宽度自适应
   ════════════════════════════════════════════════ */

/* --- 系统搭建：四端数据汇聚中台 --- */
.system-map {
  position: relative;
  width: 100%;
  height: 250px;
  margin: 20px 0 16px;
}
.system-map svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.system-map path {
  fill: none;
  stroke: rgba(16,185,129,0.44);
  stroke-width: 2;
  stroke-dasharray: 5 10;
  animation: kq-map-dash 7s linear infinite;
}
@keyframes kq-map-dash { to { stroke-dashoffset: -160; } }
.map-node {
  position: absolute;
  z-index: 2;
  width: 74px;
  height: 46px;
  border: 1px solid rgba(16,185,129,0.4);
  background: rgba(4,25,27,0.9);
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #B7F9E2;
}
.node-orders    { left: 0; top: 12%; }
.node-inventory { left: 0; bottom: 12%; }
.node-customer  { right: 0; top: 12%; }
.node-dashboard { right: 0; bottom: 12%; }
.node-center {
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 96px; height: 62px;
  border-color: var(--green);
  box-shadow: 0 0 40px rgba(16,185,129,0.2);
  font-size: 14px;
}

/* --- AI定制：自动化控制台 --- */
.ai-console {
  margin: 20px 0 16px;
  padding: 18px;
  background: #0A1220;
  border: 1px solid rgba(14,165,233,0.34);
  border-radius: 12px;
}
.console-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(14,165,233,0.16);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #A8CBFF;
}
.console-top em { margin-left: auto; font-style: normal; color: var(--accent); }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px var(--green);
  flex-shrink: 0;
  animation: kq-dot-pulse 2s ease-in-out infinite;
}
@keyframes kq-dot-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.console-row {
  display: grid;
  grid-template-columns: 68px 1fr 44px;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(14,165,233,0.12);
  font-size: 13px;
  color: var(--dark-text);
}
.console-row .bar {
  height: 6px;
  background: #202638;
  border-radius: 4px;
  overflow: hidden;
}
.console-row .bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #0EA5E9, #2DD4EE);
  border-radius: 4px;
  animation: kq-bar-breathe 3.2s ease-in-out infinite;
}
/* 任务187：进度条宽度移出行内style，改由CSS控制（纯视觉示意，不代表任何业务数值） */
.console-row:nth-of-type(1) .bar i { width: 88%; }
.console-row:nth-of-type(2) .bar i { width: 72%; }
.console-row:nth-of-type(3) .bar i { width: 64%; }
@keyframes kq-bar-breathe { 0%,100% { opacity: 0.72; } 50% { opacity: 1; } }
.console-row small {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 10px;
  color: var(--text-secondary);
  text-align: right;
}
.console-footer {
  padding-top: 14px;
  font-size: 11px;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .system-map { height: 220px; }
  .map-node { width: 64px; height: 42px; font-size: 11px; }
  .node-center { width: 84px; height: 56px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .system-map path, .status-dot, .console-row .bar i { animation: none !important; }
}

/* ===================================================================
   任务187 · AI定制通栏突出卡（占据原GEO最突出位置）
   =================================================================== */
.service-card--aihero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  padding: 44px 40px;
  margin-bottom: 32px;
  background: linear-gradient(150deg, rgba(14,165,233,0.13), rgba(212,167,72,0.06) 55%, rgba(255,255,255,0.02));
  border-color: rgba(14,165,233,0.34);
  box-shadow: 0 6px 34px rgba(14,165,233,0.14);
  position: relative;
  overflow: hidden;
}
.service-card--aihero:hover { transform: none; }
.service-card--aihero::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold) 55%, transparent 90%);
  opacity: 0.9;
}
.service-card--aihero .fx-host { z-index: 0; }
.aihero__left, .aihero__right {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.service-card--aihero .service-card__title {
  font-size: 30px;
  line-height: 1.3;
  background: linear-gradient(120deg, #FFFFFF, var(--primary-text));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.aihero__def {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-secondary);
  padding: 14px 16px;
  background: rgba(2,11,24,0.42);
  border-left: 2px solid rgba(14,165,233,0.5);
  border-radius: 0 8px 8px 0;
}
.aihero__steps { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.aihero__step { display: flex; gap: 12px; align-items: flex-start; }
.aihero__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), rgba(212,167,72,0.85));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-en);
  flex-shrink: 0;
}
.aihero__step-body b { display: block; font-size: 14px; color: var(--dark-text); font-weight: 600; }
.aihero__step-body p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.6; }
.aihero__block {
  padding: 16px 18px;
  background: rgba(2,11,24,0.38);
  border: 1px solid rgba(14,165,233,0.16);
  border-radius: 10px;
}
.aihero__block-title {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 10px;
}
.aihero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.aihero__tags span {
  padding: 5px 12px;
  font-size: 12.5px;
  color: var(--primary-text);
  background: rgba(14,165,233,0.12);
  border: 1px solid rgba(14,165,233,0.28);
  border-radius: 100px;
}
.aihero__modes { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.aihero__modes li { font-size: 13px; line-height: 1.7; color: var(--text-secondary); }
.aihero__modes b { color: var(--dark-text); margin-right: 6px; }
.aihero__list { margin-top: 2px; }
.aihero__quote {
  margin-top: auto;
  padding-top: 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(120deg, var(--gold), #F2D48A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* GEO收小：步骤条紧凑化，与其它业务卡同级 */
.geo-steps--compact { gap: 8px; margin-top: 10px; }
.geo-steps--compact .geo-step__num { width: 26px; height: 26px; font-size: 12px; }
.geo-steps--compact .geo-step__body b { font-size: 13.5px; }

@media (max-width: 900px) {
  .service-card--aihero { grid-template-columns: 1fr; gap: 26px; padding: 32px 24px; }
  .service-card--aihero .service-card__title { font-size: 24px; }
  .aihero__quote { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .service-card--aihero .fx-host { display: none; }
}