/* ===== Design Tokens ===== */
:root {
  --bg-primary: #050508;
  --bg-secondary: #0a0a0f;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 180, 255, 0.3);
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --blue-start: #00b4ff;
  --blue-end: #0066ff;
  --orange: #ff8c00;
  --gradient-blue: linear-gradient(135deg, var(--blue-start), var(--blue-end));
  --gradient-text: linear-gradient(135deg, #00d4ff, #0066ff);
  --shadow-glow: 0 0 60px rgba(0, 102, 255, 0.15);
  --nav-height: 72px;
  --container: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

html.page-snap {
  scroll-snap-type: y mandatory;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.page-snap { scroll-snap-type: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

body > header,
body > main,
body > footer {
  position: relative;
  z-index: 1;
}

/* ===== Site-wide sci-fi background ===== */
.site-bg-fx {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.site-bg-photons span {
  position: absolute;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.2), #00d4ff, #fff, rgba(0, 180, 255, 0.2), transparent);
  border-radius: 2px;
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.75), 0 0 28px rgba(0, 102, 255, 0.35);
  opacity: 0;
  animation: siteBgPhotonFly 5s linear infinite;
}

.site-bg-photons span:nth-child(1) { top: 12%; left: 2%; animation-delay: 0s; --photon-angle: -22deg; }
.site-bg-photons span:nth-child(2) { top: 38%; left: 8%; animation-delay: 1.2s; --photon-angle: -18deg; width: 96px; }
.site-bg-photons span:nth-child(3) { top: 62%; left: 22%; animation-delay: 2.6s; --photon-angle: -28deg; }
.site-bg-photons span:nth-child(4) { top: 78%; left: 48%; animation-delay: 0.8s; --photon-angle: -15deg; width: 64px; }
.site-bg-photons span:nth-child(5) { top: 28%; left: 62%; animation-delay: 3.8s; --photon-angle: -25deg; }

.site-bg-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
}

.site-bg-photon-line {
  fill: none;
  stroke: url(#siteBgGrad);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 40 520;
  opacity: 0.65;
  filter: url(#siteBgGlow);
  animation: siteBgPhotonLine 6s linear infinite;
}

.site-bg-photon-line--alt {
  animation-duration: 8s;
  animation-direction: reverse;
  animation-delay: 1.5s;
}

.site-bg-photon-line--slow {
  stroke-width: 1.5;
  stroke-dasharray: 24 480;
  animation-duration: 10s;
  animation-delay: 3s;
  opacity: 0.45;
}

.site-bg-particles span {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
}

.site-bg-particles span:nth-child(odd) {
  width: 3px;
  height: 3px;
  background: #00b4ff;
  box-shadow: 0 0 8px rgba(0, 180, 255, 0.8);
  animation: siteBgParticleRise 9s linear infinite;
}

.site-bg-particles span:nth-child(even) {
  width: 2px;
  height: 2px;
  background: #fff;
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.9), 0 0 14px rgba(0, 102, 255, 0.4);
  animation: siteBgParticleTwinkle 4s ease-in-out infinite;
}

.site-bg-particles span:nth-child(1) { left: 8%; top: 15%; animation-delay: 0s; }
.site-bg-particles span:nth-child(2) { left: 18%; top: 42%; animation-delay: 0.6s; }
.site-bg-particles span:nth-child(3) { left: 30%; top: 8%; animation-delay: 1.2s; }
.site-bg-particles span:nth-child(4) { left: 42%; top: 58%; animation-delay: 0.3s; }
.site-bg-particles span:nth-child(5) { left: 52%; top: 22%; animation-delay: 2.1s; }
.site-bg-particles span:nth-child(6) { left: 62%; top: 72%; animation-delay: 1.5s; }
.site-bg-particles span:nth-child(7) { left: 72%; top: 12%; animation-delay: 3.2s; }
.site-bg-particles span:nth-child(8) { left: 82%; top: 38%; animation-delay: 0.9s; }
.site-bg-particles span:nth-child(9) { left: 6%; top: 68%; animation-delay: 2.8s; }
.site-bg-particles span:nth-child(10) { left: 38%; top: 82%; animation-delay: 1.8s; }
.site-bg-particles span:nth-child(11) { left: 58%; top: 48%; animation-delay: 3.6s; }
.site-bg-particles span:nth-child(12) { left: 92%; top: 62%; animation-delay: 2.4s; }

.site-bg-orbs span {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 0%, rgba(0, 212, 255, 0.55) 35%, rgba(0, 102, 255, 0.15) 60%, transparent 75%);
  box-shadow: 0 0 20px rgba(0, 180, 255, 0.45), 0 0 40px rgba(0, 102, 255, 0.2);
  animation: siteBgOrbFloat 8s ease-in-out infinite;
}

.site-bg-orbs span:nth-child(1) { width: 8px; height: 8px; left: 14%; top: 25%; animation-delay: 0s; }
.site-bg-orbs span:nth-child(2) { width: 6px; height: 6px; left: 48%; top: 18%; animation-delay: 2s; }
.site-bg-orbs span:nth-child(3) { width: 10px; height: 10px; left: 76%; top: 55%; animation-delay: 4s; }
.site-bg-orbs span:nth-child(4) { width: 5px; height: 5px; left: 32%; top: 78%; animation-delay: 1s; }

@keyframes siteBgPhotonFly {
  0% { opacity: 0; transform: rotate(var(--photon-angle, -20deg)) translateX(0); }
  8% { opacity: 1; }
  92% { opacity: 0.5; }
  100% { opacity: 0; transform: rotate(var(--photon-angle, -20deg)) translateX(95vw) translateY(-28vh); }
}

@keyframes siteBgPhotonLine {
  to { stroke-dashoffset: -560; }
}

@keyframes siteBgParticleRise {
  0% { opacity: 0; transform: translate(0, 0) scale(0.5); }
  12% { opacity: 0.95; }
  88% { opacity: 0.35; }
  100% { opacity: 0; transform: translate(36px, -80px) scale(1.3); }
}

@keyframes siteBgParticleTwinkle {
  0%, 100% { opacity: 0.15; transform: scale(0.8); }
  50% { opacity: 0.95; transform: scale(1.4); }
}

@keyframes siteBgOrbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.55; }
  33% { transform: translate(18px, -24px) scale(1.15); opacity: 0.9; }
  66% { transform: translate(-12px, -10px) scale(0.92); opacity: 0.7; }
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-start);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 640px;
}

section {
  padding: 100px 0;
  position: relative;
}

#hero + section {
  padding-top: 72px;
}

section:nth-child(even) {
  background: rgba(10, 10, 15, 0.55);
}

/* ===== Full-screen snap sections (index) ===== */
html.page-snap main > section {
  min-height: 100dvh;
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-height) + 32px) 0 32px;
  box-sizing: border-box;
}

html.page-snap main > section#business,
html.page-snap main > section#geo-media,
html.page-snap main > section#ip-platforms,
html.page-snap main > section#clients,
html.page-snap main > section#contact {
  padding: var(--nav-height) 0;
  justify-content: center;
}

/*
 * 全屏 flex 居中在固定顶栏下视觉偏下；略增底部 padding 使内容整体上移。
 * 向下/向上滚动需一致：enter 动画也统一为从略偏上进入（见 sectionEnterFromBelow）。
 */
@media (min-width: 768px) {
  html.page-snap main > section#business,
  html.page-snap main > section#geo-media {
    padding: var(--nav-height) 0 calc(var(--nav-height) + 6vh);
  }

  html.page-snap main > section#ip-platforms,
  html.page-snap main > section#clients {
    padding: var(--nav-height) 0 calc(var(--nav-height) + 10vh);
  }

  html.page-snap main > section#ai-platforms {
    padding: var(--nav-height) 0 calc(var(--nav-height) + 11vh);
  }

  html.page-snap #ai-platforms .ai-logo-grid {
    margin-top: 36px;
  }
}

html.page-snap main > section .container {
  width: 100%;
}

@media (min-width: 768px) {
  html.page-snap main {
    padding-right: 52px;
  }
}

html.page-snap .hero {
  min-height: 100dvh;
  min-height: 100vh;
  padding: var(--nav-height) 0 0;
}

html.page-snap .hero > .hero-carousel {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

html.page-snap section:nth-child(even) {
  background: rgba(10, 10, 15, 0.55);
}

/* ===== Section enter transitions (snap pages) ===== */
html.page-snap main > section {
  overflow: hidden;
  isolation: isolate;
}

html.page-snap main > section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(0, 180, 255, 0.12) 0%, transparent 42%);
  opacity: 0;
  pointer-events: none;
  z-index: 2;
}

html.page-snap main > section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.85), rgba(255, 255, 255, 0.6), rgba(0, 102, 255, 0.85), transparent);
  box-shadow: 0 0 24px rgba(0, 180, 255, 0.55), 0 0 48px rgba(0, 102, 255, 0.25);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}

html.page-snap main > section.section-active::before {
  animation: sectionEdgeGlow 1.1s ease-out forwards;
}

html.page-snap main > section.section-active::after {
  animation: sectionScanLine 0.95s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

html.page-snap main > section > .container {
  position: relative;
  z-index: 1;
  will-change: transform, opacity, filter;
}

html.page-snap main > section:not(.section-active):not(.section-leaving) > .container {
  opacity: 0;
  transform: translateY(-32px) scale(0.965);
  filter: blur(12px);
}

html.page-snap main > section.section-active.enter-down > .container {
  animation: sectionEnterFromBelow 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

html.page-snap main > section.section-active.enter-up > .container {
  animation: sectionEnterFromAbove 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

html.page-snap main > section.section-active .fade-in {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.45s ease;
}

html.page-snap main > section.section-active .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

html.page-snap main > section.section-leaving > .container {
  animation: sectionLeave 0.45s cubic-bezier(0.4, 0, 1, 1) forwards;
}

html.page-snap main > section.section-active .business-card.visible,
html.page-snap main > section.section-active .product-card.visible {
  animation: cardTechPop 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
}

html.page-snap #clients:not(.section-active) .industry-item {
  opacity: 0;
  animation: none;
}

html.page-snap #clients.section-active .industry-item {
  opacity: 0;
  animation: cardTechPop 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

html.page-snap #clients.section-active .industry-item:nth-child(1) { animation-delay: 0.22s; }
html.page-snap #clients.section-active .industry-item:nth-child(2) { animation-delay: 0.3s; }
html.page-snap #clients.section-active .industry-item:nth-child(3) { animation-delay: 0.38s; }
html.page-snap #clients.section-active .industry-item:nth-child(4) { animation-delay: 0.46s; }
html.page-snap #clients.section-active .industry-item:nth-child(5) { animation-delay: 0.54s; }

@keyframes sectionEnterFromBelow {
  0% {
    opacity: 0;
    transform: translateY(-48px) scale(0.97);
    filter: blur(14px);
  }
  55% {
    filter: blur(3px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes sectionEnterFromAbove {
  0% {
    opacity: 0;
    transform: translateY(-48px) scale(0.97);
    filter: blur(14px);
  }
  55% {
    filter: blur(3px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes sectionLeave {
  to {
    opacity: 0.25;
    transform: scale(0.985);
    filter: blur(6px);
  }
}

@keyframes sectionScanLine {
  0% {
    top: 0;
    opacity: 0;
    transform: translateY(-120%);
  }
  12% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
    transform: translateY(0);
  }
}

@keyframes sectionEdgeGlow {
  0% {
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes cardTechPop {
  0% {
    opacity: 0;
    transform: translateY(24px) scale(0.94);
    box-shadow: 0 0 0 rgba(0, 180, 255, 0);
  }
  70% {
    box-shadow: 0 0 32px rgba(0, 180, 255, 0.12);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.page-snap main > section:not(.section-active):not(.section-leaving) > .container,
  html.page-snap main > section.section-active > .container,
  html.page-snap main > section.section-leaving > .container {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none;
  }

  html.page-snap main > section::before,
  html.page-snap main > section::after {
    display: none;
  }

  html.page-snap main > section.section-active .fade-in,
  html.page-snap main > section.section-active .fade-in.visible {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ===== Section timeline (right side) ===== */
.section-timeline {
  --timeline-dot: 10px;
  --timeline-gap: 28px;
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
}

.section-timeline::before {
  content: "";
  position: absolute;
  left: calc(var(--timeline-dot) / 2 - 1px);
  top: calc(var(--timeline-dot) / 2);
  bottom: calc(var(--timeline-dot) / 2);
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 1px;
}

.section-timeline__progress {
  position: absolute;
  left: calc(var(--timeline-dot) / 2 - 1px);
  top: calc(var(--timeline-dot) / 2);
  width: 2px;
  height: 0;
  background: var(--gradient-blue);
  border-radius: 1px;
  box-shadow: 0 0 12px rgba(0, 180, 255, 0.6);
  transition: height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.section-timeline__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--timeline-gap);
  margin: 0;
  padding: 0;
}

.section-timeline__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  transition: color var(--transition);
  text-decoration: none;
}

.section-timeline__list a:hover,
.section-timeline__list a.active {
  color: var(--text-primary);
}

.section-timeline__dot {
  position: absolute;
  left: 0;
  top: 50%;
  width: var(--timeline-dot);
  height: var(--timeline-dot);
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: var(--bg-primary);
  flex-shrink: 0;
  transform: translateY(-50%);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.section-timeline__list li {
  position: relative;
  padding-left: calc(var(--timeline-dot) + 14px);
}

.section-timeline__list a:hover .section-timeline__dot {
  border-color: rgba(0, 180, 255, 0.5);
  transform: translateY(-50%) scale(1.15);
}

.section-timeline__list a.active .section-timeline__dot {
  border-color: var(--blue-start);
  background: var(--blue-start);
  box-shadow: 0 0 14px rgba(0, 180, 255, 0.75), 0 0 28px rgba(0, 102, 255, 0.35);
  transform: translateY(-50%) scale(1.2);
}

.section-timeline__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity var(--transition), transform var(--transition);
}

.section-timeline:hover .section-timeline__label,
.section-timeline__list a.active .section-timeline__label {
  opacity: 1;
  transform: translateX(0);
}

.section-timeline__list a.active .section-timeline__label {
  color: var(--blue-start);
  font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0, 102, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.btn-orange {
  background: var(--orange);
  color: #fff;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(14, 16, 24, 0.42);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(14, 16, 24, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  font-size: 15px;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--text-primary);
}

.nav a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-blue);
  border-radius: 1px;
}

.header-cta { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  font-size: 20px;
  color: var(--text-primary);
}

.menu-toggle .menu-icon-close { display: none; }

.menu-toggle.open .menu-icon-open { display: none; }

.menu-toggle.open .menu-icon-close { display: block; }

.nav-mobile-cta { display: none; }

@media (min-width: 768px) {
  .nav-mobile-cta {
    display: inline-flex;
    width: auto;
    margin: 0 0 0 4px;
    padding: 10px 20px;
    font-size: 14px;
    flex-shrink: 0;
    border-top: none;
  }
}

/* ===== Hero ===== */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 64px) 0 64px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0, 102, 255, 0.1), transparent),
              radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0, 180, 255, 0.05), transparent),
              transparent;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  isolation: isolate;
}

/* Hero carousel */
.hero-carousel {
  position: relative;
  isolation: isolate;
}

.hero-carousel__track-wrap {
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}

html.page-snap .hero-carousel__track-wrap {
  flex: none;
  min-height: 0;
}

.hero-carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
  align-items: stretch;
}

.hero-carousel__slide {
  flex: 0 0 100%;
  min-width: 100%;
  display: flex;
  align-items: center;
}

.hero-carousel__slide > .hero-grid,
.hero-carousel__slide > .hero-grow {
  width: 100%;
}

.hero-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 8, 0.85);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 3;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.hero-carousel__arrow:hover,
.hero-carousel__arrow:focus-visible {
  border-color: var(--blue-start);
  color: var(--blue-start);
  outline: none;
}

.hero-carousel__arrow--prev { left: -12px; }
.hero-carousel__arrow--next { right: -12px; }

.hero-carousel__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding: 10px 26px;
  flex-shrink: 0;
  position: relative;
  z-index: 3;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  background: rgba(5, 5, 8, 0.88);
  border: 1px solid rgba(0, 180, 255, 0.45);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  box-shadow:
    0 4px 28px rgba(0, 0, 0, 0.45),
    0 0 24px rgba(0, 180, 255, 0.18);
}

.hero-carousel__dot {
  width: 14px;
  height: 14px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    width var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.hero-carousel__dot:hover,
.hero-carousel__dot:focus-visible {
  background: rgba(0, 180, 255, 0.55);
  border-color: #00d4ff;
  transform: scale(1.08);
  outline: none;
}

.hero-carousel__dot.active {
  width: 44px;
  background: var(--gradient-blue);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    0 0 18px rgba(0, 180, 255, 0.85),
    0 0 36px rgba(0, 102, 255, 0.35);
  transform: none;
}

/* Hero carousel slide 2 — 拓源掘金 */
.hero-grow {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.hero-grow__head .hero-tag {
  margin-left: auto;
  margin-right: auto;
}

.hero-grow__head h1 {
  margin-bottom: 20px;
}

.hero-grow__head .hero-intro,
.hero-grow__head .hero-sub {
  margin-left: auto;
  margin-right: auto;
}

.hero-grow__acts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
}

.hero-grow__act {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 16px 20px;
  background: linear-gradient(160deg, rgba(0, 102, 255, 0.12), rgba(0, 212, 255, 0.04));
  border: 1px solid rgba(0, 180, 255, 0.22);
  border-radius: var(--radius-lg);
  min-width: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.hero-grow__act:hover {
  border-color: rgba(0, 180, 255, 0.45);
  box-shadow: var(--shadow-glow);
}

.hero-grow__act-num {
  position: absolute;
  top: 12px;
  left: 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--blue-start);
}

.hero-grow__act-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  background: rgba(0, 180, 255, 0.12);
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: 12px;
  color: var(--blue-start);
  font-size: 18px;
}

.hero-grow__act-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.hero-grow__act-shift {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.hero-grow__act-shift span:first-child {
  color: var(--text-muted);
}

.hero-grow__act-shift span:last-child {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-grow__act-shift i {
  font-size: 11px;
  color: var(--blue-start);
  opacity: 0.85;
}

.hero-grow__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.hero-sub--growth {
  max-width: 640px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .hero-carousel__track {
    transition: none;
  }
}

/* Hero sci-fi FX layer */
.hero-fx {
  position: absolute;
  inset: -48px -24px;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.hero-fx-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 95% 85% at 55% 45%, #000 15%, transparent 72%);
  animation: heroGridDrift 24s linear infinite;
}

.hero-fx-ripples span {
  position: absolute;
  top: 42%;
  left: 68%;
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  border: 1px solid rgba(0, 180, 255, 0.45);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(0, 102, 255, 0.12);
  animation: heroRipple 5s ease-out infinite;
}

.hero-fx-ripples span:nth-child(2) {
  animation-delay: 1.6s;
}

.hero-fx-ripples span:nth-child(3) {
  animation-delay: 3.2s;
}

.hero-fx-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.75;
}

.hero-fx-path {
  fill: none;
  stroke: rgba(0, 180, 255, 0.28);
  stroke-width: 1;
  stroke-dasharray: 6 14;
  filter: url(#heroFxGlow);
  animation: heroDash 14s linear infinite;
}

.hero-fx-path--rev {
  animation-direction: reverse;
  animation-duration: 18s;
}

.hero-fx-path--slow {
  stroke-dasharray: 4 18;
  animation-duration: 22s;
}

.hero-fx-beam {
  fill: none;
  stroke: url(#heroFxGrad);
  stroke-width: 1.5;
  stroke-dasharray: 100 500;
  opacity: 0.7;
  animation: heroBeam 9s linear infinite;
}

.hero-fx-beam--alt {
  animation-duration: 13s;
  animation-direction: reverse;
  opacity: 0.45;
}

.hero-fx-node {
  fill: #00d4ff;
  opacity: 0.55;
  filter: url(#heroFxGlow);
  animation: heroNodeBlink 3s ease-in-out infinite;
}

.hero-fx-node--pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: heroNodePulse 2.4s ease-in-out infinite;
}

.hero-fx-corner {
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: rgba(0, 180, 255, 0.55);
  border-style: solid;
  opacity: 0.7;
  animation: heroHudPulse 4s ease-in-out infinite;
}

.hero-fx-corner--tl { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.hero-fx-corner--tr { top: 8px; right: 8px; border-width: 2px 2px 0 0; animation-delay: 1s; }
.hero-fx-corner--bl { bottom: 8px; left: 8px; border-width: 0 0 2px 2px; animation-delay: 2s; }
.hero-fx-corner--br { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; animation-delay: 3s; }

@keyframes heroGridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(56px, 56px); }
}

@keyframes heroRipple {
  0% { transform: scale(0.4); opacity: 0.8; }
  100% { transform: scale(4.5); opacity: 0; }
}

@keyframes heroDash {
  to { stroke-dashoffset: -240; }
}

@keyframes heroBeam {
  to { stroke-dashoffset: -600; }
}

@keyframes heroNodeBlink {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.95; }
}

@keyframes heroNodePulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.6); }
}

@keyframes heroHudPulse {
  0%, 100% { opacity: 0.45; box-shadow: none; }
  50% { opacity: 0.95; box-shadow: 0 0 12px rgba(0, 180, 255, 0.35); }
}

.hero-content { position: relative; z-index: 2; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--blue-start);
  margin-bottom: 24px;
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--blue-start);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  max-width: 520px;
}

.hero-intro {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
  max-width: 520px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0 0 36px;
  gap: 0;
}

.hero-features li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.hero-features li:first-child {
  padding-left: 0;
}

.hero-features li:not(:last-child) {
  border-right: 1px solid var(--border);
}

.hero-features i {
  font-size: 15px;
  color: var(--blue-start);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-logo-wrap {
  position: relative;
  width: 546px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-banner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  z-index: 1;
}

.hero-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  animation: bannerImgBreath 4s ease-in-out infinite;
}

.hero-banner-fx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.banner-wave {
  fill: url(#bannerCoreGrad);
  opacity: 0.25;
  animation: bannerWaveShimmer 5s ease-in-out infinite;
}

.banner-core-glow {
  fill: url(#bannerCoreGrad);
  transform-box: fill-box;
  transform-origin: center;
  animation: bannerCorePulse 2.5s ease-in-out infinite;
}

.banner-core-ring {
  fill: none;
  stroke: rgba(0, 212, 255, 0.35);
  stroke-width: 1;
  transform-box: fill-box;
  transform-origin: center;
}

.banner-core-ring--outer {
  animation: bannerRingExpand 3.5s ease-out infinite;
}

.banner-core-ring--inner {
  animation: bannerRingExpand 3.5s ease-out infinite 1.2s;
}

.banner-flow {
  fill: none;
  stroke: rgba(0, 212, 255, 0.45);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 10 22;
  filter: url(#bannerGlow);
  animation: bannerFlowDash 1.6s linear infinite;
}

.banner-flow--beam {
  stroke: url(#bannerBeamGrad);
  stroke-width: 3.5;
  stroke-dasharray: 60 140;
  opacity: 0.9;
  animation-duration: 1.2s;
}

.banner-flow--beam-rev {
  animation-direction: reverse;
}

.banner-flow--thin {
  stroke-width: 1;
  stroke: rgba(0, 180, 255, 0.35);
  stroke-dasharray: 6 18;
  animation-duration: 2.4s;
  opacity: 0.7;
}

.banner-flow--delay { animation-delay: 0.4s; }
.banner-flow--delay2 { animation-delay: 0.8s; }
.banner-flow--delay3 { animation-delay: 1.2s; }

.banner-node {
  fill: #00d4ff;
  filter: url(#bannerGlow);
  animation: bannerNodeBlink 2.8s ease-in-out infinite;
}

.banner-node--globe {
  transform-box: fill-box;
  transform-origin: center;
  animation: bannerGlobePulse 3s ease-in-out infinite;
}

.banner-node--core {
  fill: #fff;
  animation: bannerCoreNode 2s ease-in-out infinite;
}

.banner-packet {
  opacity: 0.95;
}

.banner-packet--sm {
  filter: url(#bannerGlow);
}

@keyframes bannerImgBreath {
  0%, 100% { filter: brightness(1) saturate(1); }
  50% { filter: brightness(1.08) saturate(1.12); }
}

@keyframes bannerFlowDash {
  to { stroke-dashoffset: -64; }
}

@keyframes bannerCorePulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.15); }
}

@keyframes bannerRingExpand {
  0% { opacity: 0.6; transform: scale(0.85); }
  100% { opacity: 0; transform: scale(1.35); }
}

@keyframes bannerWaveShimmer {
  0%, 100% { opacity: 0.15; transform: translateY(0); }
  50% { opacity: 0.35; transform: translateY(-6px); }
}

@keyframes bannerNodeBlink {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes bannerGlobePulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes bannerCoreNode {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 16px;
  background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.2), transparent 70%);
  animation: glow 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* ===== Stats ===== */
.stats {
  padding: 60px 0;
  background: rgba(10, 10, 15, 0.55);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .stat-num {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-item .stat-num span {
  font-size: 0.6em;
  color: var(--orange);
  -webkit-text-fill-color: var(--orange);
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ===== Business Cards ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.business-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.business-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: opacity var(--transition);
}

.business-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.business-card:hover::before { opacity: 1; }

.business-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 180, 255, 0.1);
  border-radius: 4px;
  font-size: 12px;
  color: var(--blue-start);
  margin-bottom: 16px;
}

.business-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.business-quote {
  font-size: 15px;
  color: var(--blue-start);
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

.business-service {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.business-points li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  border-top: 1px solid var(--border);
}

.business-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

.business-points li strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

/* ===== Product ===== */
.product-card {
  max-width: 720px;
  margin: 48px auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.product-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 140, 0, 0.15);
  color: var(--orange);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.product-card h2,
.product-card h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.product-price {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 8px;
}

.product-price small {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.product-price-note {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.product-features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.product-feature {
  padding: 16px 8px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.product-feature .icon {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--blue-start);
}

.product-feature span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== Product Catalog ===== */
/* ===== Product Carousel ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.product-carousel-section {
  padding: calc(var(--nav-height) + 32px) 0 40px;
}

.product-carousel {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.product-carousel__track-wrap {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.product-carousel__track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-carousel__slide {
  flex: 0 0 100%;
  min-width: 100%;
}

.product-carousel__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.product-carousel__slide--ai .product-carousel__card {
  border-color: rgba(0, 180, 255, 0.3);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), var(--bg-card) 55%);
}

.product-carousel__slide--geo .product-carousel__card {
  border-color: rgba(255, 140, 0, 0.3);
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.08), var(--bg-card) 55%);
}

.product-carousel__slide--ip .product-carousel__card {
  border-color: rgba(168, 85, 247, 0.3);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), var(--bg-card) 55%);
}

.product-carousel__tag {
  margin-bottom: 16px;
}

.product-tag--ai {
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
}

.product-tag--ip {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.product-carousel__name {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
  max-width: 720px;
}

.product-carousel__price {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 6px;
}

.product-carousel__price small {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.product-carousel__note {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-carousel__audience {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 640px;
}

.product-carousel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 8, 0.85);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 2;
  transition: border-color var(--transition), color var(--transition);
}

.product-carousel__arrow:hover {
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.product-carousel__arrow--prev { left: -20px; }
.product-carousel__arrow--next { right: -20px; }

.product-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.product-carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.product-carousel__dot.active {
  background: var(--blue-start);
  transform: scale(1.15);
}

.product-grid-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
}

/* ===== Product Catalog (compact + modal) ===== */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.product-tab {
  padding: 10px 22px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

.product-tab:hover,
.product-tab.active {
  background: rgba(0, 102, 255, 0.12);
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.product-catalog {
  max-width: 960px;
  margin: 0 auto;
}

.product-catalog__head {
  text-align: center;
  margin-bottom: 28px;
}

.product-catalog__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.product-grid-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 48px;
}

.product-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 180, 255, 0.35) transparent;
}

.product-grid::-webkit-scrollbar {
  height: 6px;
}

.product-grid::-webkit-scrollbar-thumb {
  background: rgba(0, 180, 255, 0.35);
  border-radius: 100px;
}

.product-grid--nested {
  margin-bottom: 0;
}

.product-grid--wrap {
  flex-wrap: wrap;
  overflow-x: visible;
  scroll-snap-type: none;
  margin-bottom: 0;
}

.product-all-layout {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.product-category-group {
  margin-bottom: 0;
}

.product-category-group__header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.product-category-group__title {
  font-size: 18px;
  font-weight: 700;
}

.product-geo-group {
  margin-bottom: 36px;
}

.product-geo-group:last-child {
  margin-bottom: 0;
}

.product-geo-layout {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.product-geo-group__header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.product-geo-group__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.product-geo-group__desc {
  font-size: 14px;
  color: var(--text-muted);
}

.product-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}

.product-tag--diagnosis {
  background: rgba(255, 140, 0, 0.15);
  color: var(--orange);
}

.product-tag--index {
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
}

.product-tag--full {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.product-tag--sub {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.product-card-compact__tags,
.product-modal__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.product-card-compact__top {
  margin-bottom: 10px;
}

.product-card-compact {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 0 0 280px;
  width: 280px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
  overflow: hidden;
}

.product-card-compact__hot {
  position: absolute;
  top: 14px;
  right: -32px;
  z-index: 1;
  width: 110px;
  padding: 4px 0;
  background: linear-gradient(135deg, #ff6b35, #ff3d00);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  transform: rotate(45deg);
  box-shadow: 0 2px 8px rgba(255, 61, 0, 0.35);
  pointer-events: none;
}

.product-card-compact--hot {
  border-color: rgba(255, 107, 53, 0.35);
}

.product-card-compact:hover {
  border-color: rgba(0, 180, 255, 0.35);
  transform: translateY(-2px);
}

.product-card-compact--featured {
  border-color: rgba(0, 180, 255, 0.4);
  background: rgba(0, 102, 255, 0.04);
}

.product-card-compact__name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 12px;
}

.product-card-compact__price {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-card-compact__price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
}

.product-billing-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 4px;
}

.product-billing-chip {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.product-billing-chip:hover {
  border-color: rgba(0, 102, 255, 0.4);
  color: var(--text-primary);
}

.product-billing-chip.is-selected {
  background: rgba(0, 102, 255, 0.12);
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.product-addon-group {
  margin: 8px 0 4px;
}

.product-addon-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.product-addon-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-detail-emphasis {
  color: var(--blue-start);
  font-weight: 700;
  font-size: 1.1em;
}

.product-card-compact__note {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-card-compact__audience {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-compact__actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.product-card-compact__actions .btn {
  flex: 1;
  justify-content: center;
  text-align: center;
}

/* Product modal */
body.modal-open {
  overflow: hidden;
}

.product-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.product-modal.open {
  opacity: 1;
  visibility: visible;
}

.product-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.product-modal__panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: min(85vh, 720px);
  background: #000000;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(12px);
  transition: transform 0.25s ease;
}

.product-modal.open .product-modal__panel {
  transform: translateY(0);
}

.product-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  z-index: 1;
  transition: color var(--transition), border-color var(--transition);
}

.product-modal__close:hover {
  color: var(--text-primary);
  border-color: rgba(0, 180, 255, 0.4);
}

.product-modal__header {
  padding: 28px 56px 16px 28px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.product-modal__header h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0;
}

.product-modal__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  padding-right: 8px;
}

.product-modal__tag {
  flex-shrink: 0;
}

.product-modal__price {
  font-size: 32px;
  font-weight: 800;
}

.product-modal__price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
}

.product-modal__note {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}

.product-modal__body {
  padding: 20px 28px;
  overflow-y: auto;
  flex: 1;
}

.product-modal__body .product-detail-block {
  margin-bottom: 16px;
}

.product-modal__body .product-detail-block:last-child {
  margin-bottom: 0;
}

.product-modal__footer {
  padding: 16px 28px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.product-modal__footer .btn {
  width: 100%;
  justify-content: center;
}

/* ===== GEO Combo Calculator ===== */
.geo-calc-modal__panel {
  max-width: 720px;
}

.geo-calc-modal__desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

.geo-calc-modal__body {
  padding: 20px 28px;
}

.geo-calc-modal__footer {
  display: flex;
  gap: 12px;
}

.geo-calc-modal__footer .btn {
  flex: 1;
  width: auto;
}

/* ===== Contact Modal ===== */
.contact-trigger-btn {
  border: none;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.contact-trigger-link {
  cursor: pointer;
}

.contact-modal__panel {
  max-width: 720px;
}

.contact-modal__body {
  padding: 20px 28px;
  overflow-y: auto;
}

.contact-modal__wecom {
  padding: 24px 28px;
  margin-bottom: 16px;
}

.contact-modal__chips {
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.contact-modal__chips .about-contact-chip {
  padding: 16px;
}

.contact-modal__chips .about-contact-chip h3 {
  font-size: 13px;
}

.contact-modal__chips .about-contact-chip a {
  font-size: 13px;
  word-break: normal;
  overflow-wrap: normal;
  white-space: nowrap;
}

.contact-modal__footer {
  padding: 16px 28px 24px;
}

.contact-modal__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 767px) {
  .contact-modal__wecom {
    flex-direction: column;
    text-align: center;
    padding: 20px;
    gap: 20px;
  }

  .contact-modal__chips {
    grid-template-columns: 1fr;
  }

  .contact-modal__chips .about-contact-chip a {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .contact-modal__body {
    padding: 16px 20px;
  }

  .contact-modal__footer {
    padding: 14px 20px 20px;
  }
}

.geo-calc-step {
  margin-bottom: 28px;
}

.geo-calc-step:last-child {
  margin-bottom: 0;
}

.geo-calc-step__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.geo-calc-step__title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

.geo-calc-step__head .geo-calc-step__title {
  margin-bottom: 0;
}

.geo-calc-step__title small {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

.geo-calc-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 102, 255, 0.15);
  color: var(--blue-start);
  font-size: 13px;
  font-weight: 700;
}

.geo-calc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.geo-calc-chip {
  display: inline-flex;
  cursor: pointer;
}

.geo-calc-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.geo-calc-chip span {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.geo-calc-chip.is-selected span,
.geo-calc-chip input:checked + span {
  background: rgba(0, 102, 255, 0.12);
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.geo-calc-lines {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.geo-calc-lines__empty {
  font-size: 14px;
  color: var(--text-muted);
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.geo-calc-line {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.geo-calc-line__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.geo-calc-line__label {
  font-size: 14px;
  font-weight: 600;
}

.geo-calc-line__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.geo-calc-line__remove:hover {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.4);
}

.geo-calc-field {
  margin-bottom: 14px;
}

.geo-calc-field--inline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.geo-calc-field__label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  flex-shrink: 0;
}

.geo-calc-field--inline .geo-calc-field__label {
  margin-bottom: 0;
  min-width: 72px;
}

.geo-calc-input {
  width: 100%;
  max-width: 160px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
}

.geo-calc-input:focus {
  outline: none;
  border-color: var(--blue-start);
}

.geo-calc-line__amount {
  font-size: 14px;
  color: var(--text-secondary);
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.geo-calc-summary__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.geo-calc-summary__item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
}

.geo-calc-summary__item strong {
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}

.geo-calc-summary__item--muted {
  color: var(--text-muted);
}

.geo-calc-summary__total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: rgba(0, 102, 255, 0.08);
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-weight: 600;
}

.geo-calc-summary__total strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-start);
}

.contact-quote-hint {
  margin-bottom: 32px;
  padding: 16px 20px;
  background: rgba(0, 102, 255, 0.08);
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: var(--radius-lg);
  position: relative;
}

.contact-quote-hint__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-quote-hint__total {
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-start);
  margin-bottom: 8px;
}

.contact-quote-hint__detail {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-line;
}

.contact-quote-hint__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
}

.contact-quote-hint__close:hover {
  color: var(--text-primary);
}

.contact-modal__body .contact-quote-hint {
  margin-bottom: 16px;
}

.contact-quote-hint__copy {
  margin-top: 12px;
}

.product-nav-section {
  padding: 0 0 24px;
}

.product-series-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.product-series-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.product-series-nav__link:hover {
  color: var(--text-primary);
  border-color: rgba(0, 180, 255, 0.4);
}

.product-series-nav__link--ai:hover { border-color: rgba(0, 180, 255, 0.5); color: var(--blue-start); }
.product-series-nav__link--geo:hover { border-color: rgba(255, 140, 0, 0.5); color: var(--orange); }
.product-series-nav__link--ip:hover { border-color: rgba(168, 85, 247, 0.5); color: #c084fc; }

.product-catalog-section {
  padding: calc(var(--nav-height) + 32px) 0 80px;
}

#product-standard,
#product-custom {
  scroll-margin-top: calc(var(--nav-height) + 24px);
}

.product-custom-section {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.product-custom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-custom-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}

.product-custom-card:hover {
  transform: translateY(-2px);
}

.product-custom-card--ai {
  border-color: rgba(0, 180, 255, 0.3);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), var(--bg-card) 55%);
}

.product-custom-card--geo {
  border-color: rgba(255, 140, 0, 0.3);
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.08), var(--bg-card) 55%);
}

.product-custom-card--ip {
  border-color: rgba(168, 85, 247, 0.3);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), var(--bg-card) 55%);
}

.product-custom-card__tag {
  margin-bottom: 0;
}

.product-custom-card .product-card-compact__tags {
  margin-bottom: 14px;
}

.product-custom-card__name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 12px;
}

.product-custom-card__price {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-custom-card__price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
}

.product-custom-card__note {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-custom-card__audience {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.product-custom-card__actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.product-custom-card__actions .btn {
  flex: 1;
  justify-content: center;
  text-align: center;
}

.product-series {
  scroll-margin-top: calc(var(--nav-height) + 24px);
  margin-bottom: 64px;
}

.product-series-title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.product-series-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 800;
  flex-shrink: 0;
}

.product-series-title--ai .product-series-num {
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
}

.product-series-title--geo .product-series-num {
  background: rgba(255, 140, 0, 0.12);
  color: var(--orange);
}

.product-series-title--ip .product-series-num {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
}

.product-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 24px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.product-item__header {
  margin-bottom: 24px;
}

.product-item__header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-item__desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 8px;
}

.product-price--inline {
  font-size: 36px;
  text-align: left;
  margin-bottom: 4px;
}

.product-price--custom {
  font-size: 28px;
  font-weight: 700;
  color: var(--blue-start);
  text-align: left;
  margin-bottom: 4px;
}

.product-price--tier {
  font-size: 32px;
  margin-bottom: 16px;
}

.product-item .product-price-note {
  text-align: left;
  margin-bottom: 0;
}

.product-detail-block {
  margin-bottom: 20px;
}

.product-detail-block h4,
.product-detail-block h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.product-detail-block p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.product-detail-block ul,
.product-detail-block ol {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}

.product-detail-block--highlight {
  padding: 16px 20px;
  background: rgba(0, 102, 255, 0.06);
  border-radius: var(--radius);
  border-left: 3px solid var(--blue-start);
}

.product-detail-block--highlight h4 {
  color: var(--blue-start);
}

.product-meta-tags {
  font-size: 15px;
  color: var(--text-primary);
}

.product-meta-hint {
  color: var(--text-muted);
  font-size: 14px;
}

.product-sub-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}

.product-sub-card:last-of-type {
  margin-bottom: 24px;
}

.product-sub-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-pricing-rules {
  padding-left: 20px;
}

.product-pricing-rules li {
  margin-bottom: 6px;
}

.product-tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.product-tier-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.product-tier-card--featured {
  border-color: rgba(0, 180, 255, 0.35);
  background: rgba(0, 102, 255, 0.04);
}

.product-tier-card--premium {
  border-color: rgba(255, 140, 0, 0.35);
  background: rgba(255, 140, 0, 0.04);
}

.product-tier-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.product-tier-meta {
  margin: 0;
}

.product-tier-meta dt {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 4px;
}

.product-tier-meta dt:first-child {
  margin-top: 0;
}

.product-tier-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-catalog-cta {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.product-catalog-cta p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

@media (min-width: 1100px) {
  .product-tier-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== AI Logo Grid ===== */
.ai-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 28px 20px;
  max-width: 880px;
  margin: 48px auto 0;
  justify-items: center;
}

.ai-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 112px;
}

.ai-logo-item__img {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.ai-logo-item:hover .ai-logo-item__img {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.ai-logo-item__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ai-logo-item__name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
}

/* ===== IP Platform Logo Grid ===== */
.ip-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 28px 24px;
  max-width: 640px;
  margin: 48px auto 0;
  justify-items: center;
}

.ip-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 128px;
}

.ip-logo-item__img {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.ip-logo-item:hover .ip-logo-item__img {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.ip-logo-item__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ip-logo-item__name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
}

/* ===== GEO Media Logo Grid ===== */
.geo-logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 20px;
  max-width: 1160px;
  margin: 48px auto 0;
}

.geo-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 0 0 200px;
  max-width: 200px;
  padding: 14px 12px 12px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.geo-logo-item__img {
  width: 168px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.geo-logo-item:hover .geo-logo-item__img {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.geo-logo-item__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.geo-logo-item__name {
  font-size: 13px;
  font-weight: 500;
  color: #4b5563;
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 767px) {
  .geo-logo-item {
    flex: 0 0 calc(33.333% - 14px);
    max-width: 168px;
    padding: 12px 10px 10px;
  }

  .geo-logo-item__img {
    width: 100%;
    max-width: 140px;
    height: 70px;
    padding: 8px 12px;
  }
}

@media (max-width: 479px) {
  .geo-logo-item {
    flex: 0 0 calc(50% - 10px);
  }
}

/* ===== Industries ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.industry-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.industry-item__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(0, 180, 255, 0.12), rgba(0, 102, 255, 0.08));
  border: 1px solid rgba(0, 180, 255, 0.2);
  border-radius: 14px;
  font-size: 22px;
  color: var(--blue-start);
}

.industry-item__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.industry-item__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.industry-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.industry-item__tags span {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-start);
  background: rgba(0, 180, 255, 0.08);
  border: 1px solid rgba(0, 180, 255, 0.15);
  border-radius: 999px;
}

.industry-matrix {
  max-width: 560px;
  margin: 48px auto 0;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.industry-matrix__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.industry-matrix__table {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.industry-matrix__head,
.industry-matrix__row {
  display: grid;
  grid-template-columns: 72px repeat(3, 1fr);
  align-items: center;
  gap: 8px;
}

.industry-matrix__head {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

.industry-matrix__corner {
  text-align: left;
}

.industry-matrix__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.industry-matrix__cell {
  display: flex;
  justify-content: center;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.15);
}

.industry-matrix__cell--on {
  color: var(--blue-start);
}

@media (max-width: 479px) {
  .industries-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .industry-item {
    padding: 20px 14px 18px;
  }

  .industry-item__icon {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .industry-item__name {
    font-size: 16px;
  }

  .industry-matrix {
    padding: 20px 16px;
  }

  .industry-matrix__head,
  .industry-matrix__row {
    grid-template-columns: 56px repeat(3, 1fr);
    gap: 4px;
  }

  .industry-matrix__head {
    font-size: 11px;
  }
}

/* ===== Contact ===== */
.home-contact-body {
  margin-top: 40px;
}

.home-contact-wecom-full {
  margin-bottom: 24px;
}

html.page-snap main > section#contact .home-contact-body {
  margin-top: 32px;
}

html.page-snap main > section#contact .home-contact-wecom-full {
  margin-bottom: 20px;
}

html.page-snap main > section#contact .about-contact-chips {
  margin-bottom: 0;
}

html.page-snap main > section#contact .contact-footer {
  margin-top: 24px;
  padding-top: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
  align-items: start;
}

.contact-footer {
  margin-top: 32px;
  padding-top: 20px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact-footer p,
.footer-legal p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-beian {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 12px;
}

.footer-beian a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-beian a:hover {
  color: var(--blue-start);
}

.footer-beian-sep {
  color: var(--border);
  user-select: none;
}

.contact-info h3 {
  font-size: 22px;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 180, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  color: var(--blue-start);
}

.contact-item h4 {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  font-size: 18px;
  font-weight: 600;
}

.contact-item a:hover { color: var(--blue-start); }

.qr-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.qr-card img {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 2px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

.qr-card p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ===== Footer ===== */
.footer {
  background: rgba(3, 3, 5, 0.82);
  border-top: 1px solid var(--border);
  padding: 36px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr) minmax(0, 1fr);
  gap: 24px 28px;
  margin-bottom: 24px;
  align-items: start;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 10px;
  max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}

.footer-contact {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-contact__info {
  flex: 1;
  min-width: 0;
}

.footer-contact__wecom {
  flex-shrink: 0;
  text-align: center;
}

.footer-wecom-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 0;
  margin-bottom: 6px;
}

.footer-wecom-qr {
  display: block;
  width: 104px;
  height: 104px;
  border-radius: 8px;
}

.footer-email-links {
  margin-top: 8px;
}

.footer-links ul li {
  margin-bottom: 6px;
}

.footer-email-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.footer-email-item:last-child {
  margin-bottom: 0;
}

.footer-email-label {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.footer-links a,
.footer-email-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-email-links a {
  font-size: 13px;
  line-height: 1.4;
}

.footer-links a:hover,
.footer-email-links a:hover { color: var(--blue-start); }

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom[data-footer-legal] {
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 0;
}

.footer-bottom[data-footer-legal] p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Subpage Hero (FAQ / Product / Process) ===== */
.faq-hero,
.product-hero,
.process-hero,
.contact-hero,
.about-hero {
  padding: calc(var(--nav-height) + 80px) 0 60px;
  text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 102, 255, 0.1), transparent),
              transparent;
}

/* ===== About page ===== */
.about-section {
  padding: 72px 0;
}

.about-section:first-of-type {
  padding-top: 0;
}

.about-content {
  max-width: 960px;
}

.about-content .section-title {
  margin-bottom: 28px;
}

.about-prose {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-prose p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.85;
  margin: 0;
  text-indent: 2em;
}

.about-lead,
.about-closing,
.about-brand-desc {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.85;
  margin: 0 0 32px;
}

.about-hero .section-desc,
.about-lead,
.about-team-card p,
.about-contact-intro,
.about-contact-chip p,
.about-contact-wecom__info p {
  text-indent: 2em;
}

.about-closing {
  margin: 40px 0 0;
  text-align: center;
}

.about-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-team-card:hover {
  border-color: rgba(0, 180, 255, 0.35);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.08);
}

.about-team-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
  font-size: 20px;
  margin-bottom: 16px;
}

.about-team-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-team-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

.about-slogan {
  margin: 0 0 24px;
  padding: 32px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.12), rgba(0, 212, 255, 0.06));
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: 16px;
}

.about-slogan__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-start);
  margin: 0 0 8px;
}

.about-slogan__text {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, var(--blue-start), #00d4ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-brand-desc {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

/* About page — contact section */
.about-contact-section {
  padding-bottom: 100px;
}

.about-contact-intro {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.75;
  margin: 0 0 32px;
  text-align: center;
}

.about-contact-hero-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 212, 255, 0.08));
  border: 1px solid rgba(0, 180, 255, 0.35);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.about-contact-hero-bar:hover {
  border-color: rgba(0, 212, 255, 0.55);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.15);
  transform: translateY(-2px);
}

.about-contact-hero-bar__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 180, 255, 0.2);
  color: var(--blue-start);
  font-size: 22px;
}

.about-contact-hero-bar__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.about-contact-hero-bar__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.about-contact-hero-bar__value {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  color: var(--text-primary);
}

.about-contact-hero-bar__action {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-start);
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-contact-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.about-contact-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 20px;
  transition: border-color var(--transition);
}

.about-contact-chip:hover {
  border-color: rgba(0, 180, 255, 0.3);
}

.about-contact-chip__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0, 180, 255, 0.1);
  color: var(--blue-start);
  font-size: 16px;
  margin-bottom: 12px;
}

.about-contact-chip h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.about-contact-chip a {
  font-size: 15px;
  font-weight: 500;
  color: var(--blue-start);
  word-break: break-all;
}

.about-contact-chip a:hover {
  color: #00d4ff;
}

.about-contact-chip p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.about-contact-wecom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 0 60px rgba(0, 102, 255, 0.06);
}

.about-contact-wecom__info {
  flex: 1;
  min-width: 0;
}

.about-contact-wecom__info h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}

.about-contact-wecom__info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.about-contact-wecom__qr {
  flex-shrink: 0;
  padding: 12px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 0 32px rgba(0, 180, 255, 0.25);
}

.about-contact-wecom__qr img {
  display: block;
  width: 160px;
  height: 160px;
  border-radius: 8px;
  object-fit: contain;
}

.about-contact-wecom__phone {
  display: none;
  margin: 12px 0 0;
}

.about-contact-wecom__phone a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--blue-start);
}

@media (max-width: 991px) {
  .about-team-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .about-contact-chips {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .about-section {
    padding: 56px 0;
  }

  .about-slogan {
    padding: 24px 20px;
  }

  .about-contact-hero-bar {
    flex-wrap: wrap;
    padding: 20px;
    gap: 14px;
  }

  .about-contact-hero-bar__action {
    width: 100%;
    justify-content: flex-end;
  }

  .about-contact-wecom {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
  }
}

/* ===== Growth / 拓源掘金 page ===== */
.growth-hero {
  padding: calc(var(--nav-height) + 80px) 0 60px;
  text-align: center;
  background: radial-gradient(ellipse 70% 55% at 50% 0%, rgba(0, 102, 255, 0.14), transparent),
              transparent;
}

.growth-hero__en {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--blue-start);
  margin: 0 0 12px;
}

.growth-hero__mode {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px;
}

.growth-hero__mode-en {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin: 0 0 40px;
  text-transform: uppercase;
}

.growth-manifesto {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 36px;
  text-align: left;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.04));
  border: 1px solid rgba(0, 180, 255, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

.growth-manifesto__line {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 2;
  margin: 0;
}

.growth-manifesto__line--accent {
  margin-top: 12px;
  color: var(--text-primary);
}

.growth-manifesto__line strong {
  color: var(--text-primary);
  font-weight: 700;
}

.growth-section {
  padding: 72px 0;
}

.growth-section:first-of-type {
  padding-top: 0;
}

.growth-section--engine {
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 102, 255, 0.06), transparent);
}

.growth-content {
  max-width: 1080px;
}

.growth-content .section-title {
  margin-bottom: 16px;
}

.growth-lead {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.85;
  margin: 0 0 40px;
  max-width: 720px;
}

.growth-lead strong {
  color: var(--text-primary);
}

/* Dual wings */
.growth-genes {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  position: relative;
}

.growth-wing {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.growth-wing--left {
  border-color: rgba(0, 180, 255, 0.15);
}

.growth-wing--right {
  border-color: rgba(0, 102, 255, 0.15);
}

.growth-wing.is-active,
.growth-wing:hover {
  border-color: rgba(0, 180, 255, 0.4);
  box-shadow: 0 8px 40px rgba(0, 102, 255, 0.1);
}

.growth-wing__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0, 180, 255, 0.15);
  color: var(--blue-start);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
}

.growth-wing__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.growth-wing__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.growth-wing__list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.growth-wing__list strong {
  font-size: 15px;
  color: var(--text-primary);
}

.growth-wing__list span {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.growth-fusion {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  position: relative;
}

.growth-fusion::before,
.growth-fusion::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-start));
  opacity: 0.5;
  transition: opacity var(--transition), width var(--transition);
}

.growth-fusion::before {
  right: 100%;
  margin-right: 8px;
}

.growth-fusion::after {
  left: 100%;
  margin-left: 8px;
  background: linear-gradient(90deg, var(--blue-start), transparent);
}

.growth-fusion.is-active::before,
.growth-fusion.is-active::after {
  opacity: 1;
  width: 32px;
}

.growth-fusion__core {
  text-align: center;
  padding: 28px 20px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 212, 255, 0.08));
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 50%;
  width: 200px;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 48px rgba(0, 180, 255, 0.2);
  transition: box-shadow var(--transition), transform var(--transition);
}

.growth-fusion.is-active .growth-fusion__core,
.growth-fusion:hover .growth-fusion__core {
  box-shadow: 0 0 64px rgba(0, 212, 255, 0.35);
  transform: scale(1.04);
}

.growth-fusion__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue-start);
  margin-bottom: 8px;
}

.growth-fusion__formula {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin: 0 0 4px;
}

.growth-fusion__desc {
  font-size: 12px;
  font-weight: 600;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 8px;
}

.growth-fusion__note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 160px;
}

/* Three acts */
.growth-acts {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.growth-act {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.growth-act[data-act="1"] { border-left: 3px solid rgba(0, 180, 255, 0.4); }
.growth-act[data-act="2"] { border-left: 3px solid rgba(0, 180, 255, 0.6); }
.growth-act[data-act="3"] { border-left: 3px solid rgba(0, 212, 255, 0.8); }

.growth-act.is-active,
.growth-act:hover {
  border-color: rgba(0, 180, 255, 0.35);
  box-shadow: 0 12px 48px rgba(0, 102, 255, 0.1);
}

.growth-act__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.growth-act__num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-start);
  padding: 4px 12px;
  background: rgba(0, 180, 255, 0.12);
  border-radius: 6px;
}

.growth-act__title {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 700;
  margin: 0;
}

.growth-act__title em {
  font-style: normal;
  font-size: 0.75em;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 8px;
}

.growth-act__body p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 14px;
}

.growth-act__body p:last-child {
  margin-bottom: 0;
}

.growth-act__punch {
  margin-top: 20px !important;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.growth-act__punch strong {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* Engine flow */
.growth-engine {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.growth-engine__step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
}

.growth-engine__node {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  color: var(--text-muted);
  font-size: 18px;
  transition: border-color 0.5s ease, color 0.5s ease, box-shadow 0.5s ease, background 0.5s ease;
  z-index: 1;
}

.growth-engine__step.is-active .growth-engine__node {
  border-color: var(--blue-start);
  color: var(--blue-start);
  background: rgba(0, 180, 255, 0.12);
  box-shadow: 0 0 24px rgba(0, 180, 255, 0.3);
}

.growth-engine__card {
  flex: 1;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.growth-engine__step.is-active .growth-engine__card {
  border-color: rgba(0, 180, 255, 0.35);
  box-shadow: 0 4px 24px rgba(0, 102, 255, 0.08);
}

.growth-engine__card h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}

.growth-engine__card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

.growth-engine__connector {
  width: 2px;
  height: 32px;
  margin-left: 25px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.growth-engine__connector::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--blue-start), transparent);
  animation: none;
}

.growth-engine__connector.is-active::after {
  animation: growthFlowPulse 1.2s ease forwards;
}

@keyframes growthFlowPulse {
  0% { top: -100%; }
  100% { top: 100%; }
}

.growth-engine__connector--loop {
  height: auto;
  background: none;
  margin: 16px 0 0 25px;
  padding: 12px 0;
}

.growth-engine__connector--loop::after {
  display: none;
}

.growth-engine__loop-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-start);
  padding: 8px 16px;
  background: rgba(0, 180, 255, 0.1);
  border: 1px dashed rgba(0, 180, 255, 0.35);
  border-radius: 20px;
}

.growth-engine__loop-label::before {
  content: '\f2f1';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 12px;
}

/* Qualify & gains */
.growth-qualify {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.growth-qualify__card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.growth-qualify__card:hover {
  border-color: rgba(0, 180, 255, 0.35);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.08);
}

.growth-qualify__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
  font-size: 18px;
}

.growth-qualify__card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

.growth-gains {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.growth-gains__card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.growth-gains__card:hover {
  border-color: rgba(0, 180, 255, 0.35);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.08);
  transform: translateY(-2px);
}

.growth-gains__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 180, 255, 0.12);
  color: var(--blue-start);
  font-size: 20px;
  margin-bottom: 16px;
}

.growth-gains__card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
}

.growth-gains__card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* Closing */
.growth-closing {
  padding-bottom: 100px;
}

.growth-closing__quote {
  margin: 0 0 40px;
  padding: 48px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.14), rgba(0, 212, 255, 0.06));
  border: 1px solid rgba(0, 180, 255, 0.28);
  border-radius: var(--radius-lg);
}

.growth-closing__quote p {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 600;
  line-height: 1.9;
  color: var(--text-primary);
  margin: 0;
}

.growth-closing__finale {
  margin-top: 20px !important;
  font-size: clamp(22px, 4vw, 28px) !important;
  font-weight: 800 !important;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.growth-closing__cta {
  text-align: center;
}

.growth-closing__cta p {
  color: var(--text-secondary);
  font-size: 17px;
  margin: 0 0 24px;
}

@media (max-width: 991px) {
  .growth-genes {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .growth-fusion {
    order: 3;
    min-width: auto;
    padding: 16px 0;
  }

  .growth-fusion::before,
  .growth-fusion::after {
    display: none;
  }

  .growth-fusion__core {
    width: 180px;
    height: 180px;
  }

  .growth-qualify,
  .growth-gains {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .growth-section {
    padding: 56px 0;
  }

  .growth-manifesto {
    padding: 28px 20px;
  }

  .growth-manifesto__line {
    font-size: 15px;
    line-height: 1.85;
  }

  .growth-act {
    padding: 24px 20px;
  }

  .growth-act__head {
    flex-direction: column;
    gap: 10px;
  }

  .growth-act__title em {
    display: block;
    margin: 6px 0 0;
  }

  .growth-closing__quote {
    padding: 32px 20px;
  }
}

.faq-search-wrap {
  max-width: 560px;
  margin: 32px auto 0;
  position: relative;
}

.faq-search {
  width: 100%;
  padding: 16px 20px 16px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
  transition: border-color var(--transition);
}

.faq-search:focus {
  border-color: var(--blue-start);
}

.faq-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 16px;
}

.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.faq-tab {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.faq-tab:hover,
.faq-tab.active {
  border-color: var(--blue-start);
  color: var(--blue-start);
  background: rgba(0, 180, 255, 0.08);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-card);
  transition: border-color var(--transition);
}

.faq-item.open {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-question:hover { color: var(--blue-start); }

.faq-chevron {
  flex-shrink: 0;
  font-size: 14px;
  transition: transform var(--transition);
  color: var(--text-muted);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--blue-start);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.faq-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.faq-count {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* ===== Floating UI ===== */
.back-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 900;
  color: var(--text-primary);
  font-size: 18px;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  border-color: var(--blue-start);
  color: var(--blue-start);
}

.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(5, 5, 8, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  z-index: 950;
  gap: 12px;
}

.mobile-cta-bar .btn {
  flex: 1;
  padding: 12px;
  font-size: 14px;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  html.page-snap main > section#business,
  html.page-snap main > section#geo-media,
  html.page-snap main > section#ip-platforms,
  html.page-snap main > section#clients,
  html.page-snap main > section#contact {
    padding: var(--nav-height) 0;
  }

  @media (min-width: 768px) {
    html.page-snap main > section#business,
    html.page-snap main > section#geo-media {
      padding: var(--nav-height) 0 calc(var(--nav-height) + 5vh);
    }

    html.page-snap main > section#ip-platforms,
    html.page-snap main > section#clients {
      padding: var(--nav-height) 0 calc(var(--nav-height) + 8vh);
    }

    html.page-snap main > section#ai-platforms {
      padding: var(--nav-height) 0 calc(var(--nav-height) + 8vh);
    }
  }

  html.page-snap main > section {
    padding: calc(var(--nav-height) + 24px) 0 24px;
  }

  html.page-snap .hero {
    padding: var(--nav-height) 0 0;
  }

  .section-timeline {
    right: 16px;
    --timeline-gap: 22px;
  }

  .section-timeline__label {
    display: none;
  }

  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-carousel__arrow--prev { left: 4px; }
  .hero-carousel__arrow--next { right: 4px; }
  .hero-grow__acts {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
  .hero-sub,
  .hero-intro { margin-left: auto; margin-right: auto; }
  .hero-features { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-fx { inset: -32px -12px; }
  .hero-fx-ripples span { left: 50%; top: 38%; }
  .hero-fx-corner { width: 20px; height: 20px; }
  .hero-logo-wrap { width: min(100%, 546px); height: auto; aspect-ratio: 546 / 320; }
  .hero-banner { width: 100%; height: 100%; min-height: 200px; }
  .hero-banner-img { width: 100%; height: 100%; }
  .business-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .product-features { grid-template-columns: repeat(3, 1fr); }
  .product-tier-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  html.page-snap {
    scroll-snap-type: y mandatory;
    scroll-padding-top: var(--nav-height);
  }

  html.page-snap main > section {
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    justify-content: center;
    padding: calc(var(--nav-height) + 16px) 0 16px;
    box-sizing: border-box;
    overflow: hidden;
  }

  html.page-snap main > section > .container {
    max-height: calc(100dvh - var(--nav-height) - 32px);
    max-height: calc(100svh - var(--nav-height) - 32px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  html.page-snap main > section:not(.section-active):not(.section-leaving) > .container {
    opacity: 1;
    transform: none;
    filter: none;
  }

  html.page-snap .hero {
    padding: var(--nav-height) 0 0;
    min-height: 100dvh;
    min-height: 100svh;
  }

  html.page-snap .hero > .hero-carousel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
  }

  html.page-snap .hero-carousel__track-wrap {
    min-height: 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  html.page-snap .hero-carousel__slide {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  html.page-snap .hero-carousel__slide .hero-grid {
    justify-items: center;
    width: 100%;
  }

  html.page-snap .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  html.page-snap .hero-visual {
    display: flex;
    justify-content: center;
    width: 100%;
  }

  html.page-snap .hero-grow {
    gap: 20px;
    width: 100%;
  }

  html.page-snap .hero h1 {
    font-size: clamp(28px, 8vw, 36px);
    margin-bottom: 12px;
  }

  html.page-snap .hero-sub,
  html.page-snap .hero-intro {
    font-size: 15px;
    margin-bottom: 8px;
  }

  html.page-snap .hero-tag {
    margin-bottom: 12px;
    font-size: 12px;
    padding: 4px 12px;
  }

  html.page-snap .hero-features {
    margin-bottom: 12px;
    gap: 8px;
    font-size: 13px;
  }

  html.page-snap .hero-logo-wrap {
    max-height: 160px;
    width: min(100%, 320px);
    aspect-ratio: 546 / 320;
  }

  html.page-snap .hero-banner {
    min-height: 120px;
  }

  html.page-snap .hero-grow__head h1 {
    font-size: clamp(28px, 8vw, 36px);
    margin-bottom: 8px;
  }

  html.page-snap .hero-grow__head .hero-intro,
  html.page-snap .hero-grow__head .hero-sub {
    font-size: 14px;
    margin-bottom: 6px;
  }

  html.page-snap .hero-grow__acts {
    gap: 8px;
    grid-template-columns: 1fr;
    width: 100%;
  }

  html.page-snap .hero-grow__act {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    text-align: left;
  }

  html.page-snap .hero-grow__act-num {
    display: none;
  }

  html.page-snap .hero-grow__act-icon {
    flex: 0 0 36px;
    margin-top: 0;
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  html.page-snap .hero-grow__act-title {
    flex: 0 0 auto;
    font-size: 15px;
    font-weight: 700;
    margin: 0;
    padding-top: 0;
    text-align: left;
    white-space: nowrap;
  }

  html.page-snap .hero-grow__act-shift {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0 0 0 auto;
    font-size: 11px;
    gap: 4px;
    justify-content: flex-end;
    flex-wrap: nowrap;
  }

  html.page-snap .hero-grow__act-shift span {
    white-space: nowrap;
  }

  html.page-snap .hero-grow__act-shift i {
    font-size: 9px;
    flex-shrink: 0;
  }

  html.page-snap .hero-grow__actions {
    gap: 10px;
  }

  html.page-snap .section-title {
    font-size: clamp(22px, 5vw, 28px);
    margin-bottom: 8px;
  }

  html.page-snap .section-desc {
    font-size: 14px;
    line-height: 1.5;
  }

  html.page-snap .section-label {
    margin-bottom: 8px;
    font-size: 12px;
  }

  html.page-snap #business .business-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 16px;
    overflow: visible;
  }

  html.page-snap #business .business-card {
    flex: none;
    padding: 16px;
  }

  html.page-snap #business .business-card h3 {
    font-size: 16px;
  }

  html.page-snap #business .business-quote,
  html.page-snap #business .business-service {
    font-size: 13px;
    line-height: 1.5;
  }

  html.page-snap #ai-platforms .ai-logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 16px;
    margin-top: 20px;
    max-width: none;
  }

  html.page-snap #ai-platforms .ai-logo-item {
    max-width: none;
  }

  html.page-snap #ai-platforms .ai-logo-item__img {
    width: 112px;
    height: 112px;
    padding: 16px;
  }

  html.page-snap #ai-platforms .ai-logo-item__name {
    font-size: 13px;
  }

  html.page-snap #geo-media .geo-logo-grid {
    gap: 10px 8px;
    margin-top: 20px;
  }

  html.page-snap #geo-media .geo-logo-item {
    flex: 0 0 calc(33.333% - 8px);
    max-width: none;
    padding: 8px 6px;
  }

  html.page-snap #geo-media .geo-logo-item__img {
    width: 100%;
    max-width: 100px;
    height: 50px;
    padding: 4px 8px;
  }

  html.page-snap #geo-media .geo-logo-item__name {
    font-size: 11px;
  }

  html.page-snap #ip-platforms .ip-logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
    margin-top: 20px;
    max-width: none;
  }

  html.page-snap #ip-platforms .ip-logo-item {
    max-width: none;
  }

  html.page-snap #ip-platforms .ip-logo-item__img {
    width: 64px;
    height: 64px;
    padding: 8px;
  }

  html.page-snap #ip-platforms .ip-logo-item__name {
    font-size: 12px;
  }

  html.page-snap #clients .industries-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
  }

  html.page-snap #clients .industry-item {
    padding: 16px 12px;
  }

  html.page-snap #clients .industry-item__icon {
    width: 44px;
    height: 44px;
    font-size: 18px;
    margin-bottom: 10px;
  }

  html.page-snap #clients .industry-item__name {
    font-size: 15px;
  }

  html.page-snap #contact .home-contact-body {
    margin-top: 16px;
  }

  html.page-snap #contact .home-contact-wecom-full {
    margin-bottom: 12px;
  }

  html.page-snap #contact .about-contact-wecom__qr {
    width: auto;
    height: auto;
    padding: 8px;
  }

  html.page-snap #contact .about-contact-wecom__qr img {
    width: 100px;
    height: 100px;
    object-fit: contain;
  }

  html.page-snap #contact .about-contact-chips {
    gap: 12px;
    grid-template-columns: 1fr;
  }

  html.page-snap #contact .about-contact-chip {
    padding: 12px;
  }

  html.page-snap #contact .contact-footer {
    margin-top: 12px;
    padding-top: 12px;
  }

  .hero-carousel__track-wrap {
    min-height: auto;
    display: block;
  }

  .hero-carousel__slide {
    display: block;
  }

  .hero-carousel__dots {
    margin-top: 10px;
    padding: 6px 16px;
    gap: 12px;
  }

  .hero-carousel__dot.active { width: 36px; }

  .section-timeline {
    display: none;
  }

  section { padding: 72px 0; }
  html.page-snap main > section {
    padding: calc(var(--nav-height) + 16px) 0 16px;
  }

  #hero + section { padding-top: 48px; }
  html.page-snap #hero + section {
    padding-top: calc(var(--nav-height) + 16px);
  }

  .hero { padding: calc(var(--nav-height) + 48px) 0 40px; }
  html.page-snap .hero {
    padding: var(--nav-height) 0 0;
  }

  .nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(5, 5, 8, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    border-bottom: 1px solid var(--border);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav a {
    padding: 16px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .nav-mobile-cta {
    display: block;
    width: 100%;
    margin-top: 16px;
    margin-bottom: 0;
    padding: 14px;
    flex-shrink: 0;
    border-top: 1px solid var(--border);
  }
  .menu-toggle { display: flex; }
  .header-cta .btn-outline { display: none; }
  .header-cta .contact-trigger-btn { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .product-features { grid-template-columns: repeat(2, 1fr); }
  .product-card { padding: 32px 24px; }
  .product-item { padding: 24px 20px; }
  .product-tier-grid { grid-template-columns: 1fr; }
  .product-series-title { font-size: 20px; }
  .product-series-nav { flex-direction: column; align-items: stretch; }
  .product-series-nav__link { justify-content: center; }
  .product-price--inline { font-size: 28px; }
  .product-grid,
  .product-grid--wrap,
  .product-grid--nested {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    overflow-x: visible;
    scroll-snap-type: none;
    gap: 20px;
    padding-bottom: 0;
    margin-bottom: 0;
    width: 100%;
  }

  .product-grid-panel {
    width: 100%;
    margin-bottom: 48px;
  }

  .product-card-compact {
    flex: none;
    width: 100%;
    max-width: 100%;
    padding: 28px 24px;
    scroll-snap-align: none;
    box-sizing: border-box;
  }

  .product-card-compact__actions { flex-direction: column; }
  .product-card-compact__actions .btn { width: 100%; }
  .product-custom-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    width: 100%;
  }

  .product-custom-card {
    width: 100%;
    box-sizing: border-box;
  }

  .product-custom-card__actions { flex-direction: column; }
  .product-custom-card__actions .btn { width: 100%; }
  .geo-calc-modal__footer { flex-direction: column; }
  .geo-calc-field--inline { flex-direction: column; align-items: flex-start; }
  .geo-calc-input { max-width: 100%; }
  .product-modal__header { padding: 24px 48px 14px 20px; }
  .product-modal__body { padding: 16px 20px; }
  .product-modal__footer { padding: 14px 20px 20px; }
  .footer { padding: 24px 0 12px; }
  .footer-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 12px 16px;
    margin-bottom: 14px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-brand p {
    font-size: 13px;
    margin-top: 6px;
    max-width: none;
  }
  .footer-links h4,
  .footer-contact h4 {
    font-size: 13px;
    margin-bottom: 6px;
  }
  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 8px;
  }
  .footer-links ul li {
    margin-bottom: 2px;
  }
  .footer-links a {
    font-size: 13px;
  }
  .footer-contact {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
  }
  .footer-contact__info {
    width: auto;
    flex: 1;
    min-width: 0;
  }
  .footer-contact__wecom {
    flex-shrink: 0;
    text-align: center;
  }
  .footer-wecom-label {
    font-size: 11px;
    margin-bottom: 4px;
  }
  .footer-wecom-qr {
    width: 72px;
    height: 72px;
  }
  .footer-email-links {
    margin-top: 4px;
  }
  .footer-email-item {
    margin-bottom: 4px;
  }
  .footer-email-label {
    font-size: 11px;
  }
  .footer-email-links a {
    font-size: 11px;
    word-break: break-all;
  }
  .footer-bottom {
    padding-top: 14px;
    flex-direction: column;
    text-align: center;
  }
  .mobile-cta-bar { display: none; }
  body { padding-bottom: 0; }
  .back-top { bottom: 24px; }
}

/* ===== Service Process Page ===== */
.process-section {
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.process-section + .process-section {
  border-top: 1px solid var(--border);
}

.process-section__inner {
  position: relative;
  z-index: 1;
}

.process-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.process-deco--ai {
  background:
    radial-gradient(ellipse 50% 40% at 8% 15%, rgba(0, 180, 255, 0.14), transparent 70%),
    linear-gradient(135deg, rgba(0, 102, 255, 0.06) 0%, transparent 45%);
}

.process-deco--ai::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 85%);
}

.process-deco--geo {
  background:
    linear-gradient(145deg, transparent 55%, rgba(0, 212, 170, 0.1) 55%, rgba(0, 212, 170, 0.04) 100%);
}

.process-deco--geo::after {
  content: '';
  position: absolute;
  top: 12%;
  right: 6%;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(0, 212, 170, 0.08);
}

.process-deco--ip {
  background:
    radial-gradient(ellipse 45% 50% at 92% 40%, rgba(255, 140, 0, 0.12), transparent 70%),
    linear-gradient(225deg, rgba(255, 140, 0, 0.05) 0%, transparent 50%);
}

.process-deco--ip::before {
  content: '';
  position: absolute;
  bottom: 10%;
  right: 8%;
  width: 120px;
  height: 120px;
  background: rgba(255, 140, 0, 0.08);
  border-radius: 24px;
  transform: rotate(12deg);
}

.process-section__head {
  text-align: center;
  margin-bottom: 48px;
}

.process-section__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 16px;
}

.process-section__title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text-primary);
}

.process-section__title i {
  margin-right: 8px;
}

.process-section__summary {
  max-width: 640px;
  margin: 0 auto 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.process-section__meta {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.process-flow {
  list-style: none;
  padding: 0;
  margin: 0 auto;
}

.process-step {
  list-style: none;
}

.process-step__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.process-step__card:hover {
  border-color: var(--border-hover);
}

.process-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.process-step__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.process-step__name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.process-step__desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  opacity: 0.55;
  list-style: none;
}

.process-arrow__icon--v {
  display: none;
}

/* AI — pipeline */
.process-section--ai .process-section__tag {
  background: rgba(0, 180, 255, 0.1);
  color: var(--blue-start);
}

.process-section--ai .process-section__title i {
  color: var(--blue-start);
}

.process-section--ai .process-step__num {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(0, 180, 255, 0.12);
  border: 1px solid rgba(0, 180, 255, 0.35);
  color: var(--blue-start);
}

.process-section--ai .process-step__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 18px;
  min-width: 148px;
  max-width: 168px;
}

.process-section--ai .process-step__card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 3px;
  background: var(--gradient-blue);
}

.process-flow--pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  max-width: 1120px;
}

.process-flow--pipeline .process-arrow {
  width: 24px;
  align-self: center;
  padding: 8px 0;
}

.process-flow--pipeline .process-step__card:hover {
  box-shadow: 0 0 24px rgba(0, 180, 255, 0.12);
}

/* GEO — grid */
.process-section--geo .process-section__tag {
  background: rgba(0, 212, 170, 0.1);
  color: #00d4aa;
}

.process-section--geo .process-section__title i {
  color: #00d4aa;
}

.process-section--geo .process-step__num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.35);
  color: #00d4aa;
}

.process-section--geo .process-step__card {
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 18px;
}

.process-section--geo .process-step__card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 36px 36px 0;
  border-color: transparent rgba(0, 212, 170, 0.18) transparent transparent;
}

.process-section--geo .process-step__card:hover {
  border-color: rgba(0, 212, 170, 0.35);
  box-shadow: 0 8px 32px rgba(0, 212, 170, 0.08);
}

.process-flow--grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 960px;
}

/* IP — timeline */
.process-section--ip .process-section__tag {
  background: rgba(255, 140, 0, 0.12);
  color: var(--orange);
}

.process-section--ip .process-section__title i {
  color: var(--orange);
}

.process-section--ip .process-step__card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 20px 20px 24px;
  border-left: 3px solid rgba(255, 140, 0, 0.5);
}

.process-section--ip .process-step__num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 140, 0, 0.15);
  border: 2px solid rgba(255, 140, 0, 0.45);
  color: var(--orange);
}

.process-section--ip .process-step__name {
  font-size: 16px;
}

.process-section--ip .process-step__desc {
  font-size: 13px;
}

.process-section--ip .process-step__card:hover {
  border-color: rgba(255, 140, 0, 0.35);
  box-shadow: 0 8px 28px rgba(255, 140, 0, 0.1);
}

.process-flow--timeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 640px;
  position: relative;
}

.process-flow--timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 24px;
  bottom: 24px;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, rgba(255, 140, 0, 0.35), rgba(255, 140, 0, 0.08));
  z-index: 0;
}

.process-flow--timeline .process-step {
  width: 100%;
  position: relative;
  z-index: 1;
}

.process-flow--timeline .process-arrow {
  padding: 6px 0;
}

.process-cta {
  padding: 80px 0 100px;
  text-align: center;
}

.process-cta__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 12px;
}

.process-cta__desc {
  color: var(--text-secondary);
  margin: 0 auto 28px;
  max-width: 520px;
}

@media (max-width: 991px) {
  .process-flow--grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .process-section {
    padding: 48px 0;
  }

  .process-deco--geo::after {
    width: 120px;
    height: 120px;
    right: -20px;
    opacity: 0.6;
  }

  .process-flow--grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .process-flow--pipeline {
    flex-direction: column;
    align-items: stretch;
    max-width: 360px;
  }

  .process-flow--pipeline .process-step__card {
    min-width: 0;
    max-width: none;
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 16px 16px 20px;
  }

  .process-flow--pipeline .process-step__card::before {
    top: 10px;
    bottom: 10px;
  }

  .process-flow--pipeline .process-step__num {
    margin-top: 2px;
  }

  .process-flow--pipeline .process-arrow {
    width: auto;
    padding: 4px 0 4px 28px;
    justify-content: flex-start;
  }

  .process-flow--pipeline .process-arrow__icon--h {
    display: none;
  }

  .process-flow--pipeline .process-arrow__icon--v {
    display: inline;
  }

  .process-flow--timeline::before {
    left: 31px;
    transform: none;
  }

  .process-flow--timeline .process-step__card {
    margin: 0;
    max-width: none;
  }

  .process-section--ip .process-step__name {
    font-size: 15px;
  }
}