:root {
  --primary: #165DFF;
  --primary-dark: #0E42D2;
  --primary-light: #E8F3FF;
  --accent: #FF7D00;
  --accent-dark: #E57100;
  --accent-light: rgba(255, 125, 0, 0.12);
  --text: #333333;
  --text-body: #666666;
  --text-light: #999999;
  --bg: #FFFFFF;
  --bg-gray: #F5F7FA;
  --bg-dark: #333333;
  --border: #E5E6EB;
  --shadow: 0 4px 20px rgba(22, 93, 255, 0.08);
  --shadow-lg: 0 8px 32px rgba(22, 93, 255, 0.12);
  --shadow-hover: 0 8px 24px rgba(22, 93, 255, 0.15);
  --radius: 12px;
  --radius-btn: 6px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
  --header-height-scrolled: 56px;
  --font: 'Microsoft YaHei', '微软雅黑', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--text-body);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
p,
li,
.section-subtitle,
.hero-desc,
.panel-text > p,
.feature-list li,
.pain-item-text,
.footer-qr-caption,
.flow-step p,
.role-card p,
.cta-content p,
.about-text p {
  font-family: var(--font);
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, h5 {
  font-family: var(--font);
  font-weight: 700;
  color: var(--text);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.btn,
.tab-btn,
.nav-item > a,
.logo-brand,
.header-actions .btn,
.footer-nav a,
.role-card,
.flow-step,
.about-stat,
.tech-badges span,
.panel-content {
  transition: var(--transition);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 125, 0, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: transparent;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.btn-lg {
  padding: 12px 28px;
  font-size: 16px;
  border-radius: var(--radius-btn);
}

.hero .btn-primary {
  background: #FF7D00;
  border-color: #FF7D00;
  color: #FFFFFF;
}
.hero .btn-primary:hover {
  background: #E57100;
  border-color: #E57100;
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(255, 125, 0, 0.35);
}
.hero .btn-hero-outline {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid #165DFF;
}
.hero .btn-hero-outline:hover {
  background: transparent;
  color: #FFFFFF;
  border-color: #FF7D00;
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 125, 0, 0.25);
}
.cta .btn-primary {
  background: #1a6dff;
  border-color: #1a6dff;
}
.cta .btn-primary:hover {
  background: #0052cc;
  border-color: #0052cc;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(26, 109, 255, 0.35);
}

.header {
  --header-h: var(--header-height);
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.header.scrolled {
  --header-h: var(--header-height-scrolled);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 20px;
}
.logo-brand {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  transition: var(--transition);
}
.logo-brand:hover {
  transform: scale(1.02);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
}
.logo-img {
  height: 40px;
  width: auto;
  margin-right: 6px;
  transition: height 0.3s ease;
}
.header.scrolled .logo-img { height: 32px; }
.logo-divider {
  width: 2px;
  height: 24px;
  margin: 0;
  background: #9CA3AF;
  flex-shrink: 0;
  transition: height 0.3s ease;
}
.header.scrolled .logo-divider { height: 20px; }
.logo-title {
  font-size: 16px;
  font-weight: 400;
  font-family: var(--font);
  color: #000000;
  white-space: nowrap;
  margin-left: 6px;
}
.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item > a {
  display: block;
  padding: 8px 14px;
  font-size: 16px;
  font-weight: 400;
  font-family: var(--font);
  color: #000000;
  border-radius: var(--radius-btn);
  white-space: nowrap;
}
.nav-item > a:hover {
  color: #FF7D00;
  transform: scale(1.05);
  filter: drop-shadow(0 2px 8px rgba(255, 125, 0, 0.2));
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
}
.header-actions .btn {
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font);
  border-radius: var(--radius-btn);
  border-width: 1px;
}
.header-actions .btn-primary {
  background: #FF7D00;
  border-color: #FF7D00;
  color: #fff;
}
.header-actions .btn-primary:hover {
  background: #E57100;
  border-color: #E57100;
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 125, 0, 0.35);
}
.header-actions .btn-outline {
  background: transparent;
  color: #000000;
  border-color: #165DFF;
}
.header-actions .btn-outline:hover {
  background: transparent;
  color: #000000;
  border-color: #FF7D00;
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(255, 125, 0, 0.2);
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  transition: var(--transition);
}
.mobile-menu-btn:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.12));
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #000000;
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  padding: calc(var(--header-height) + 80px) 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a6b 40%, #1a6dff 100%);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,107,0,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(26,109,255,0.2) 0%, transparent 40%);
}
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text {
  text-align: left;
}
.hero h1 {
  font-size: clamp(42px, 5vw, 48px);
  font-weight: 700;
  font-family: var(--font);
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-title-accent {
  color: #FF7D00;
}
.hero-desc {
  font-size: 16px;
  font-weight: 400;
  font-family: var(--font);
  color: #FFFFFF;
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 100%;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  overflow: visible;
  padding: 0;
  min-height: 540px;
}

.hero-showcase {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
  position: relative;
  width: 100%;
  min-height: 540px;
  margin-right: 0;
  --hero-robot-left: -115px;
  --hero-robot-width: 660px;
  --hero-bubble-primary: #1E88E5;
  --hero-bubble-accent: #FF8A00;
}
.hero-bubbles-col {
  position: absolute;
  inset: 0;
  z-index: 30;
  pointer-events: none;
}
.hero-bubble {
  position: absolute;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 50%;
  pointer-events: auto;
  cursor: default;
  background:
    radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.35) 0%, transparent 42%),
    radial-gradient(circle at 72% 78%, rgba(30, 136, 229, 0.45) 0%, rgba(30, 136, 229, 0.12) 55%, rgba(10, 22, 40, 0.15) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  box-shadow:
    0 0 24px rgba(30, 136, 229, 0.35),
    0 8px 32px rgba(0, 0, 0, 0.18),
    inset 0 0 24px rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: heroBubbleBreathe 4.5s ease-in-out infinite;
  transition: transform 0.45s ease, box-shadow 0.45s ease, border-color 0.45s ease;
}
.hero-bubble--lg {
  width: 140px;
  height: 140px;
}
.hero-bubble--md {
  width: 110px;
  height: 110px;
}
.hero-bubble--sm {
  width: 90px;
  height: 90px;
}
.hero-bubble--accent {
  background:
    radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.35) 0%, transparent 42%),
    radial-gradient(circle at 72% 78%, rgba(255, 138, 0, 0.42) 0%, rgba(30, 136, 229, 0.18) 55%, rgba(10, 22, 40, 0.15) 100%);
  box-shadow:
    0 0 24px rgba(255, 138, 0, 0.28),
    0 8px 32px rgba(0, 0, 0, 0.18),
    inset 0 0 24px rgba(255, 255, 255, 0.12);
}
.hero-bubble:nth-child(1) {
  left: calc(var(--hero-robot-left) + var(--hero-robot-width) - 90px);
  top: 36px;
  animation-delay: 0s;
}
.hero-bubble:nth-child(2) {
  left: calc(var(--hero-robot-left) + var(--hero-robot-width) - 10px);
  top: 168px;
  animation-delay: 0.6s;
}
.hero-bubble:nth-child(3) {
  left: calc(var(--hero-robot-left) + var(--hero-robot-width) - 70px);
  top: 292px;
  animation-delay: 1.2s;
}
.hero-bubble:nth-child(4) {
  left: calc(var(--hero-robot-left) + var(--hero-robot-width) - 120px);
  top: 408px;
  animation-delay: 1.8s;
}
.hero-bubble:hover {
  animation-play-state: paused;
  transform: translateY(-10px) scale(1.08);
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 0 36px rgba(255, 138, 0, 0.45),
    0 12px 40px rgba(30, 136, 229, 0.35),
    inset 0 0 28px rgba(255, 255, 255, 0.2);
}
.hero-bubble-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}
.hero-bubble--lg .hero-bubble-icon svg { width: 44px; height: 44px; }
.hero-bubble--md .hero-bubble-icon svg { width: 30px; height: 30px; }
.hero-bubble--sm .hero-bubble-icon svg { width: 26px; height: 26px; }
.hero-bubble-label {
  color: #FFFFFF;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}
.hero-bubble--lg .hero-bubble-label { font-size: 12px; }
.hero-bubble--sm .hero-bubble-label { font-size: 12px; }
@keyframes heroBubbleBreathe {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.04) translateY(-3px); }
}
.hero-robot-wrap {
  position: absolute;
  left: var(--hero-robot-left);
  right: auto;
  top: 16px;
  z-index: 5;
  flex-shrink: 0;
  line-height: 0;
  margin: 0;
  --hero-robot-x: 0;
}
.hero-robot-img {
  width: 660px;
  max-width: none;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(22, 93, 255, 0.4));
  animation: heroRobotFloat 4s ease-in-out infinite;
  transform: translateX(var(--hero-robot-x));
}
@keyframes heroRobotFloat {
  0%, 100% { transform: translateX(var(--hero-robot-x)) translateY(0); }
  50% { transform: translateX(var(--hero-robot-x)) translateY(-4px); }
}
@media (min-width: 769px) {
  .hero {
    padding-top: calc(var(--header-height) + 32px);
  }
  .hero-robot-wrap {
    left: -115px;
  }
  .hero-bubble:nth-child(1) { left: 455px; top: 36px; }
  .hero-bubble:nth-child(2) { left: 535px; top: 168px; }
  .hero-bubble:nth-child(3) { left: 475px; top: 292px; }
  .hero-bubble:nth-child(4) { left: 425px; top: 408px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-robot-img {
    animation: none;
    transform: translateX(var(--hero-robot-x));
  }
  .hero-bubble {
    animation: none;
  }
}

section { padding: 80px 0; }
.section-title {
  font-size: clamp(32px, 4vw, 36px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text);
}
.section-title.left { text-align: left; }
.section-subtitle {
  text-align: center;
  color: var(--text-body);
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.highlight { color: var(--primary); }

.trust-bar {
  width: 100%;
  height: 60px;
  padding: 10px 0;
  background: #FFFFFF;
  overflow: hidden;
  box-sizing: border-box;
}
.trust-bar-container {
  max-width: 1200px;
  height: 100%;
}
.trust-bar-viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.trust-bar-track {
  display: flex;
  width: max-content;
  height: 100%;
  align-items: center;
  animation: trust-marquee var(--trust-duration, 24s) linear infinite;
  will-change: transform;
}
.trust-bar:hover .trust-bar-track {
  animation-play-state: paused;
}
.trust-bar.is-touch-paused .trust-bar-track {
  animation-play-state: paused;
}
.trust-bar-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.trust-bar-item {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  white-space: nowrap;
  line-height: 1;
}
.trust-bar-accent {
  color: #FF7D00;
}
.trust-bar-sep {
  color: #E5E7EB;
  font-size: 14px;
  line-height: 1;
  padding: 0 15px;
  user-select: none;
}
@keyframes trust-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.pain-shift {
  margin-top: 60px;
  background: #F5F7FA;
  padding: 60px 20px;
  overflow: hidden;
}
.pain-shift-container {
  max-width: 1200px;
}
.pain-shift-title {
  margin-bottom: 40px;
}
.pain-shift-body {
  display: flex;
  align-items: center;
  gap: 32px;
}
.pain-shift-list {
  flex: 0 0 55%;
  max-width: 55%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  transition: background 0.3s ease;
}
.pain-item:hover {
  background: rgba(22, 93, 255, 0.08);
}
.pain-item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(22, 93, 255, 0.1);
  color: #165DFF;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pain-item-icon svg {
  width: 22px;
  height: 22px;
}
.pain-item-text {
  font-size: 16px;
  font-weight: 400;
  font-family: var(--font);
  color: #333333;
  line-height: 1.6;
  margin: 0;
}
.pain-kw {
  color: #FF7D00;
  font-weight: 700;
}
.pain-shift-visual {
  flex: 0 0 45%;
  max-width: 45%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.funnel-wrap {
  position: relative;
  width: 100%;
  max-width: 400px;
}
.funnel-chart {
  width: 100%;
  height: auto;
  display: block;
}
.funnel-svg-text {
  font-family: var(--font);
  fill: #333333;
}
.funnel-svg-title {
  font-size: 13px;
  font-weight: 500;
}
.funnel-svg-caption {
  font-size: 12px;
  fill: #666666;
}
.funnel-bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.funnel-bubble {
  position: absolute;
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  background: #FF7D00;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  border-radius: 16px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(255, 125, 0, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  cursor: default;
}
.funnel-bubble:hover {
  transform: scale(1.06);
  background: #E57100;
  box-shadow: 0 4px 14px rgba(255, 125, 0, 0.45);
}
.funnel-bubble-1 { top: 33%; left: 0; }
.funnel-bubble-2 { top: 47%; right: 0; }
.funnel-bubble-3 { top: 63%; left: 4%; }
.funnel-lead {
  animation: funnelLeadDrop 3s ease-in infinite;
}
.lead-b { animation-delay: 0.6s; }
.lead-c { animation-delay: 1.2s; }
.funnel-leak {
  animation: funnelLeakOut 3s ease-in-out infinite;
}
.leak-1 { animation-delay: 0.3s; }
.leak-2 { animation-delay: 1s; }
.leak-3 { animation-delay: 1.7s; }
.funnel-out {
  animation: funnelOutBottom 3s ease-in infinite;
  animation-delay: 0.5s;
}
@keyframes funnelLeadDrop {
  0% { transform: translate(0, 0); opacity: 1; }
  70% { transform: translate(0, 200px); opacity: 0.85; }
  100% { transform: translate(0, 260px); opacity: 0; }
}
@keyframes funnelLeakOut {
  0%, 15% { transform: translate(0, 0); opacity: 0; }
  30% { opacity: 1; }
  70% { transform: translate(var(--leak-x, -30px), var(--leak-y, 20px)); opacity: 0.9; }
  100% { transform: translate(var(--leak-x, -30px), var(--leak-y, 20px)); opacity: 0; }
}
.leak-1 { --leak-x: -36px; --leak-y: 16px; }
.leak-2 { --leak-x: 40px; --leak-y: 12px; }
.leak-3 { --leak-x: -28px; --leak-y: 18px; }
@keyframes funnelOutBottom {
  0%, 20% { transform: translate(0, 0); opacity: 0; }
  40% { opacity: 0.7; }
  100% { transform: translate(0, 36px); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .funnel-lead,
  .funnel-leak,
  .funnel-out {
    animation: none;
  }
}

.values { background: var(--bg-gray); }

.product { background: var(--bg); }
.product-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.tab-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: #fff;
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font);
  color: var(--text-body);
  cursor: pointer;
}
.tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.product-panel { display: none; animation: fadeIn 0.4s ease; }
.product-panel.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--bg-gray);
  border-radius: var(--radius);
  padding: 48px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.panel-content:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.panel-text h3 {
  font-size: clamp(20px, 2.5vw, 24px);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.panel-text > p {
  color: var(--text-body);
  font-size: 16px;
  margin-bottom: 24px;
  line-height: 1.7;
}
.feature-list { margin-bottom: 24px; }
.feature-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.6;
}
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.solutions { background: var(--bg-gray); }
.solutions-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 16px;
}
.flow-step {
  text-align: center;
  min-width: 120px;
  flex-shrink: 0;
}
.flow-step:hover {
  transform: translateY(-4px);
}
.step-num {
  width: 48px; height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  margin: 0 auto 12px;
  transition: var(--transition);
}
.flow-step:hover .step-num {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.flow-step h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.flow-step p {
  font-size: 14px;
  color: var(--text-body);
}
.flow-connector {
  width: 40px;
  height: 2px;
  background: var(--border);
  margin-top: 24px;
  flex-shrink: 0;
}

.architecture { background: var(--bg); }
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tech-badges-row {
  display: contents;
}
.tech-badges span {
  padding: 8px 18px;
  background: var(--bg-gray);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-body);
  border: 1px solid var(--border);
  cursor: default;
}
.tech-badges span:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.roles { background: var(--bg-gray); }
.roles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.role-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.role-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 93, 255, 0.2);
}
.role-icon { font-size: 36px; margin-bottom: 16px; }
.role-card h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.role-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
}

.cta {
  background: linear-gradient(135deg, #0a1628, #1a3a6b, #1a6dff);
  padding: 80px 0;
  text-align: center;
}
.cta-content h2 {
  font-size: clamp(32px, 4vw, 36px);
  font-weight: 700;
  font-family: var(--font);
  color: #fff;
  margin-bottom: 16px;
}
.cta-content h2 .highlight { color: var(--accent); }
.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  font-family: var(--font);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-body);
  margin-bottom: 16px;
  line-height: 1.8;
  font-size: 16px;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}
.about-stat {
  text-align: center;
  padding: 20px;
  background: var(--bg-gray);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.about-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.about-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}
.about-stat span {
  font-size: 14px;
  color: var(--text-body);
}
.about-logo {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 8px 24px rgba(22, 93, 255, 0.12));
  transition: var(--transition);
}
.about-logo:hover {
  transform: translateY(-4px);
  filter: drop-shadow(0 12px 32px rgba(22, 93, 255, 0.18));
}

.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(160px, 1.3fr) 1fr auto;
  gap: 24px 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  align-items: center;
}
.footer-brand img { margin-bottom: 12px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 4px;
}
.footer-brand p:last-child { margin-bottom: 0; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 28px;
}
.footer-nav a {
  font-size: 14px;
  white-space: nowrap;
}
.footer-nav a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1024px) {
  .roles-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero h1 { font-size: clamp(36px, 4.5vw, 44px); }
  .hero-desc { font-size: 15px; }
  .hero-visual {
    min-height: 420px;
    padding: 0;
  }
  .hero-showcase {
    min-height: 420px;
    margin-right: 0;
    --hero-robot-left: -95px;
  }
  .hero-bubble--lg { width: 120px; height: 120px; }
  .hero-bubble--md { width: 100px; height: 100px; }
  .hero-bubble--sm { width: 82px; height: 82px; }
  .hero-bubble--lg .hero-bubble-icon svg { width: 38px; height: 38px; }
  .hero-bubble--md .hero-bubble-icon svg { width: 28px; height: 28px; }
  .hero-bubble--sm .hero-bubble-icon svg { width: 24px; height: 24px; }
  .panel-content,
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .header-inner { gap: 12px; }
  .nav-item > a { padding: 8px 10px; font-size: 15px; }
  .header-actions .btn { padding: 8px 14px; font-size: 13px; }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }
  .hero { padding: calc(var(--header-height) + 32px) 0 32px; }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-text {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-desc {
    font-size: 15px;
    text-align: center;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  .hero-visual {
    width: 100%;
    min-height: auto;
    padding: 0;
    justify-content: center;
  }
  .hero-showcase {
    width: 100%;
    position: relative;
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    margin-right: 0;
    min-height: 300px;
    padding-bottom: 0;
    --hero-robot-left: -40px;
    --hero-robot-width: 300px;
    --hero-btn-inset: max(0px, calc((100% - 280px) / 2));
  }
  .hero-bubble--lg { width: 88px; height: 88px; }
  .hero-bubble--md { width: 72px; height: 72px; }
  .hero-bubble--sm { width: 62px; height: 62px; }
  .hero-bubble--lg .hero-bubble-icon svg { width: 30px; height: 30px; }
  .hero-bubble--lg .hero-bubble-label { font-size: 10px; }
  .hero-bubble--md .hero-bubble-icon svg { width: 22px; height: 22px; }
  .hero-bubble--sm .hero-bubble-icon svg { width: 20px; height: 20px; }
  .hero-bubble-label { font-size: 11px; }
  .hero-bubble--sm .hero-bubble-label { font-size: 10px; }
  .hero-robot-wrap {
    order: unset;
    position: absolute;
    right: auto;
    top: 8px;
    z-index: 5;
    margin-right: 0;
    --hero-robot-x: 0;
  }
  .hero-robot-img {
    width: 300px;
  }

  .trust-bar {
    height: 40px;
    padding: 5px 0;
  }
  .trust-bar-container {
    max-width: 100%;
    padding: 0;
  }
  .trust-bar-item {
    font-size: 12px;
  }
  .trust-bar-sep {
    font-size: 12px;
    padding: 0 8px;
  }

  .pain-shift {
    margin-top: 30px;
    padding: 30px 16px;
  }
  .pain-shift-title {
    margin-bottom: 24px;
  }
  .pain-shift-body {
    flex-direction: column;
    gap: 28px;
  }
  .pain-shift-list,
  .pain-shift-visual {
    flex: none;
    max-width: 100%;
    width: 100%;
  }
  .pain-item {
    padding: 10px 8px;
  }
  .pain-item-text {
    font-size: 15px;
  }
  .pain-item-icon {
    width: 36px;
    height: 36px;
  }
  .pain-item-icon svg {
    width: 20px;
    height: 20px;
  }
  .funnel-wrap {
    max-width: 100%;
  }
  .funnel-bubble {
    font-size: 11px;
    padding: 5px 10px;
  }
  .funnel-bubble-1 { top: 30%; left: 0; }
  .funnel-bubble-2 { top: 45%; right: 0; }
  .funnel-bubble-3 { top: 60%; left: 0; }

  .header {
    backdrop-filter: none;
  }

  body.mobile-nav-open {
    overflow: hidden;
  }

  .header-inner > .nav,
  .header-inner > .header-actions {
    display: none;
  }

  .logo-brand {
    align-items: center;
  }

  .logo-divider {
    display: block;
    align-self: center;
    height: 20px;
  }

  .header.scrolled .logo-divider {
    height: 18px;
  }

  .logo-title {
    display: block;
    align-self: center;
    font-size: 15px;
    line-height: 1.6;
    font-weight: 400;
    color: #000000;
    margin-left: 6px;
  }

  .mobile-menu-btn {
    display: flex;
    margin-left: auto;
    position: relative;
    z-index: 1002;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    flex: none;
    justify-content: flex-start;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 72px;
    width: 100%;
    margin: 0;
    padding: 16px 24px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
    z-index: 1001;
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .nav.open .nav-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }

  .nav.open .nav-item > a {
    padding: 14px 16px;
    font-size: 16px;
    color: #000000;
  }

  .nav.open .nav-item > a:hover {
    color: #FF7D00;
    background: rgba(255, 125, 0, 0.06);
    transform: scale(1.02);
  }

  .header-actions.mobile-open {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 12px 24px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(255,255,255,0.98);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    z-index: 1002;
    gap: 12px;
  }

  .header-actions.mobile-open .btn {
    flex: 1;
    justify-content: center;
    padding: 12px 16px;
    font-size: 14px;
  }

  .header.mobile-nav-open .mobile-menu-btn {
    z-index: 1003;
  }
  .roles-grid { grid-template-columns: 1fr; }
  .product-tabs { gap: 6px; }
  .tab-btn { padding: 8px 14px; font-size: 12px; }
  .panel-content { padding: 28px; }
  .solutions-flow { justify-content: flex-start; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

.about-text > .section-title.left {
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer {
    padding: 40px 0 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    justify-items: stretch;
    gap: 20px;
    padding-bottom: 28px;
  }
  .footer-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    text-align: left;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  .footer-brand img {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .footer-brand p {
    margin-bottom: 0;
  }
  .footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px 8px;
    width: 100%;
    max-width: none;
  }
  .footer-nav a {
    text-align: center;
    white-space: normal;
  }
  .footer-qr {
    margin-top: 4px;
  }
}

@media (max-width: 768px) {
  .hero .hero-showcase .hero-robot-wrap {
    left: calc(var(--hero-btn-inset, 0px) - 80px);
  }

  .hero .hero-showcase {
    overflow: hidden;
    min-height: 260px;
  }

  .hero .hero-bubbles-col .hero-bubble:nth-child(1) {
    left: 52%;
    top: 4px;
  }

  .hero .hero-bubbles-col .hero-bubble:nth-child(2) {
    left: 68%;
    top: 64px;
  }

  .hero .hero-bubbles-col .hero-bubble:nth-child(3) {
    left: 56%;
    top: 118px;
  }

  .hero .hero-bubbles-col .hero-bubble:nth-child(4) {
    left: 48%;
    top: 172px;
  }

  .hero .hero-bubble-label {
    white-space: normal;
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  .about-grid {
    gap: 32px;
  }

  .about-logo {
    max-width: 240px;
  }

  .about-stats {
    gap: 12px;
  }

  .about-stat {
    padding: 16px 12px;
  }

  .section-subtitle {
    margin-bottom: 36px;
    padding: 0 4px;
  }
}

@media (max-width: 768px) {
  .architecture .tech-badges {
    flex-direction: column;
    align-items: center;
    flex-wrap: nowrap;
    gap: 12px;
    max-width: 100%;
    padding: 0 4px;
  }

  .architecture .tech-badges-row {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 8px;
    max-width: 100%;
  }

  .architecture .tech-badges span {
    white-space: nowrap;
    flex: 0 0 auto;
  }

  .architecture .sec-arch-steps.solutions-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    grid-template-rows: auto auto;
    justify-items: center;
    align-items: start;
    gap: 28px 0;
    overflow-x: visible;
    padding-bottom: 0;
    margin-bottom: 40px;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-step {
    min-width: 0;
    width: 100%;
    max-width: 132px;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-step:nth-child(1) {
    grid-row: 1;
    grid-column: 1;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-connector:nth-child(2) {
    grid-row: 1;
    grid-column: 2;
    width: 28px;
    margin-top: 24px;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-step:nth-child(3) {
    grid-row: 1;
    grid-column: 3;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-connector:nth-child(4) {
    display: none;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-step:nth-child(5) {
    grid-row: 2;
    grid-column: 1;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-connector:nth-child(6) {
    grid-row: 2;
    grid-column: 2;
    width: 28px;
    margin-top: 24px;
  }

  .architecture .sec-arch-steps.solutions-flow .flow-step:nth-child(7) {
    grid-row: 2;
    grid-column: 3;
  }
}

.header-dropdown {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
}

.header-dropdown-trigger {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
}

.header-actions .header-dropdown .header-dropdown-trigger:hover,
.header-actions .header-dropdown .header-dropdown-trigger:focus-visible,
.header-dropdown.is-open .header-dropdown-trigger {
  background: transparent;
  color: #000000;
  border-color: #FF7D00;
  transform: none;
  box-shadow: none;
}

.header-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1005;
  pointer-events: none;
  box-sizing: border-box;
}

.header-dropdown-menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 4px;
}

.header-dropdown.is-open .header-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.header-dropdown-menu li + li {
  border-top: 1px solid var(--border);
}

.header-actions .header-dropdown-item {
  display: block;
  padding: 10px 22px;
  text-align: center;
  white-space: nowrap;
  color: #000000;
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font);
  transition: var(--transition);
}

.header-actions .header-dropdown-item:hover,
.header-actions .header-dropdown-item:focus-visible,
.header-actions .header-dropdown-item.is-flash {
  color: #FF7D00;
}

@media (max-width: 768px) {
  .header-actions.mobile-open .header-dropdown {
    flex: 1;
    min-width: 0;
  }

  .header-actions.mobile-open .header-dropdown-trigger {
    width: 100%;
    justify-content: center;
  }

  .header-actions.mobile-open .header-dropdown-menu {
    left: 0;
    right: auto;
    width: 100%;
  }

  .header-dropdown-menu {
    top: auto;
    bottom: calc(100% + 4px);
    transform: translateY(4px);
  }

  .header-dropdown-menu::before {
    bottom: auto;
    top: 100%;
  }

  .header-dropdown.is-open .header-dropdown-menu {
    transform: translateY(0);
    z-index: 1000100;
  }

  .header-actions .header-dropdown-item {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
  }
}