/********************
 * HOME PAGE BASE
 ********************/
body {
  background-color: #E8ECF0;
}

/********************
 * HERO SECTION
 ********************/
.hero {
  --hero-brand-blue: #0A83BE;
  --hero-brand-blue-dark: #045A86;
  --hero-brand-blue-deep: #053C63;
  --hero-brand-sky: #17A8D8;
  --hero-brand-green: #69B95A;
  --hero-brand-green-light: #94D86F;
  position: relative;
  min-height: 100vh;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 60, 99, 0.55) 0%, rgba(5, 60, 99, 0.65) 60%, rgba(5, 60, 99, 0.82) 100%);
  z-index: 1;
}

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

.hero-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero-left {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.hero-right {
  display: none;
}

.hero-title {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  line-height: 1.18;
  margin-bottom: 28px;
  text-shadow: 0 16px 34px rgba(5, 60, 99, 0.22);
}

.hero-title .accent {
  color: var(--hero-brand-green-light);
}

.hero-subtitle {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.85;
  margin-bottom: 46px;
}

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

.hero-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-cn);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.hero-cta .btn-primary {
  background-color: var(--hero-brand-green-light);
  color: var(--hero-brand-blue-deep);
  border: 1px solid var(--hero-brand-green-light);
  box-shadow: 0 16px 42px rgba(5, 60, 99, 0.22);
}

.hero-cta .btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
}

.hero-cta .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.72);
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--hero-brand-blue-deep);
  box-shadow: 0 16px 42px rgba(5, 60, 99, 0.25);
}

.hero-cta .btn-outline:hover {
  background-color: #FFFFFF;
  border-color: #FFFFFF;
  box-shadow: 0 18px 50px rgba(5, 60, 99, 0.32);
  transform: translateY(-2px);
}

.hero-cta .btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Hero visual: capability hub */
.hero-stage {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  min-height: 480px;
  isolation: isolate;
}

.hero-stage::before {
  content: '';
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.06)),
    radial-gradient(circle at 72% 24%, rgba(148, 216, 111, 0.38), transparent 30%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 34px 90px rgba(4, 90, 134, 0.34);
  pointer-events: none;
  z-index: -2;
}

.hero-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.85), rgba(148, 216, 111, 0.65) 22%, #0A83BE 62%, #053C63 100%);
  box-shadow:
    0 0 60px rgba(148, 216, 111, 0.45),
    0 0 110px rgba(10, 131, 190, 0.35),
    inset 0 0 30px rgba(255, 255, 255, 0.25);
  animation: coreBreathe 4s ease-in-out infinite;
}

.hero-core::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 26px;
  height: 26px;
  margin: -13px 0 0 -13px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.25) 50%, transparent 72%);
  filter: blur(2px);
  animation: coreHighlight 5s linear infinite;
  pointer-events: none;
}

.hero-core::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 176px;
  height: 176px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0, transparent 70%);
  pointer-events: none;
}

@keyframes coreBreathe {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow:
      0 0 60px rgba(148, 216, 111, 0.45),
      0 0 110px rgba(10, 131, 190, 0.35),
      inset 0 0 30px rgba(255, 255, 255, 0.25);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow:
      0 0 80px rgba(148, 216, 111, 0.58),
      0 0 150px rgba(10, 131, 190, 0.48),
      inset 0 0 40px rgba(255, 255, 255, 0.35);
  }
}

@keyframes coreHighlight {
  0% { transform: rotate(0deg) translateX(22px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(22px) rotate(-360deg); }
}

.hero-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-connections line {
  stroke-linecap: round;
  stroke-dasharray: 6 14;
  animation: lineFlow 2.4s linear infinite;
}

@keyframes lineFlow {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -20; }
}

.hero-orbit {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: var(--hero-brand-blue-deep);
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-cn);
  text-align: center;
  box-shadow: 0 12px 36px rgba(5, 60, 99, 0.22);
  backdrop-filter: blur(4px);
}

.orbit-vision { top: 20%; left: 50%; transform: translate(-50%, -50%); }
.orbit-agent { top: 50%; right: 20%; transform: translate(50%, -50%); }
.orbit-meeting { bottom: 20%; left: 50%; transform: translate(-50%, 50%); }
.orbit-qa { top: 50%; left: 20%; transform: translate(-50%, -50%); }

@media (max-width: 1100px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-left {
    max-width: 760px;
  }

  .hero-right {
    justify-content: center;
  }

  .hero-stage {
    width: min(92vw, 460px);
    min-height: 400px;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 120px 0 140px;
  }

  .hero-title {
    font-size: clamp(32px, 8vw, 40px);
    white-space: normal;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }

  .hero-stage {
    width: min(92vw, 360px);
    min-height: 320px;
  }

  .hero-core {
    width: 88px;
    height: 88px;
  }

  .hero-core::after {
    width: 132px;
    height: 132px;
  }

  .hero-orbit {
    min-width: 100px;
    padding: 10px 14px;
    font-size: 14px;
  }

  .orbit-vision { top: 18%; }
  .orbit-agent { right: 18%; }
  .orbit-meeting { bottom: 18%; }
  .orbit-qa { left: 18%; }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-core,
  .hero-core::before,
  .hero-connections line {
    animation: none;
  }
}

/********************
 * COMMON SECTION STYLES
 ********************/
.section-tag {
  display: inline-block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-cyan);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-tag.dark {
  color: #0A83BE;
}

.section-title {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 16px;
}

/********************
 * PAIN POINTS
 ********************/
.pain-points {
  padding: var(--section-gap) 0;
  background:
    radial-gradient(circle at 18% 10%, rgba(0, 129, 189, 0.10), transparent 30%),
    linear-gradient(180deg, #F5FAFC 0%, #EAF3F7 100%);
}

.pain-points .section-title {
  color: #0F172A;
  text-align: center;
  margin-bottom: 56px;
}

.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pain-point-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.pain-point-card:hover {
  transform: translateY(-6px);
  border-color: #0A83BE;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.1);
}

.pain-point-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.pain-point-icon {
  width: 24px;
  height: 24px;
  color: #0A83BE;
  flex-shrink: 0;
}

.pain-point-title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  line-height: 1.35;
}

.pain-point-desc {
  font-size: var(--font-size-body);
  color: #475569;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pain-point-solution {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  color: #0A83BE;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid #0A83BE;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), gap var(--transition-fast), transform var(--transition-fast);
}

.pain-point-solution::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.pain-point-solution:hover {
  background: #0A83BE;
  color: #FFFFFF;
  gap: 12px;
  transform: translateY(-2px);
}

.pain-point-solution:hover::after {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .pain-points-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .pain-points-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pain-point-card,
  .pain-point-solution,
  .pain-point-solution::after {
    transition: none;
  }
}

/********************
 * CORE VALUES (Light Background)
 ********************/
.core-values {
  padding: var(--section-gap) 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #EEF8F8 100%);
}

.core-values .section-title {
  color: #0F172A;
  text-align: center;
  margin-bottom: 56px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: left;
  border: 1px solid #CBD5E1;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.value-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.value-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.value-card:nth-child(1) .value-icon { background-color: rgba(10, 131, 190, 0.1); }
.value-card:nth-child(2) .value-icon { background-color: rgba(10, 131, 190, 0.1); }
.value-card:nth-child(3) .value-icon { background-color: rgba(10, 131, 190, 0.1); }
.value-card:nth-child(4) .value-icon { background-color: rgba(10, 131, 190, 0.1); }

.value-icon svg {
  width: 22px;
  height: 22px;
  stroke: #0A83BE;
}

.value-title {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 0;
}

.value-desc {
  font-size: var(--font-size-body);
  color: #475569;
  line-height: 1.6;
  margin-top: 8px;
}

/********************
 * CAPABILITY MATRIX
 ********************/
.capability-matrix {
  padding: var(--section-gap) 0;
  background: linear-gradient(180deg, #EAF3F7 0%, #E8ECF0 100%);
}

.capability-matrix .section-header {
  text-align: center;
  margin-bottom: 24px;
}

.capability-matrix .section-title {
  color: #0F172A;
  text-align: center;
  font-size: 32px;
  margin-bottom: 0;
}

.capability-row {
  min-height: auto;
  display: flex;
  align-items: center;
  padding: 48px 0;
}

.capability-row:first-of-type {
  padding-top: 24px;
}

.capability-row:nth-child(even) {
  background: transparent;
}

.capability-row-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.capability-row-alt .capability-content {
  order: 2;
}

.capability-row-alt .capability-visual {
  order: 1;
}

.capability-content {
  max-width: 560px;
}

.capability-matrix .capability-title {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  line-height: 1.2;
  margin-bottom: 20px;
}

.capability-matrix .capability-desc {
  font-size: var(--font-size-body);
  line-height: 1.75;
  color: #475569;
  margin-bottom: 24px;
}

.capability-matrix .capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.capability-matrix .capability-tag-item {
  font-size: 14px;
  color: #475569;
  background: #F1F5F9;
  padding: 6px 12px;
  border-radius: 999px;
}

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

.capability-matrix .capability-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

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

.capability-matrix .capability-actions .btn-primary {
  background: var(--color-accent-cyan);
  color: #0A1628;
}

.capability-matrix .capability-actions .btn-primary:hover {
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.35);
}

.capability-matrix .capability-actions .btn-outline {
  background: transparent;
  color: var(--color-accent-cyan);
  border: 1px solid var(--color-accent-cyan);
}

.capability-matrix .capability-actions .btn-outline:hover {
  background: var(--color-accent-cyan);
  color: #0A1628;
  border-color: var(--color-accent-cyan);
}

.capability-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.capability-matrix .capability-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-cyan);
  text-decoration: none;
}

.capability-matrix .capability-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.capability-matrix .capability-link:hover::after {
  transform: translateX(4px);
}

.capability-visual {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #FFFFFF;
  aspect-ratio: 4/3;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
}

.capability-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.capability-row:hover .capability-visual img {
  transform: scale(1.02);
}

@media (max-width: 1024px) {
  .capability-row {
    min-height: auto;
    padding: 48px 0;
  }

  .capability-row-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .capability-row-alt .capability-content,
  .capability-row-alt .capability-visual {
    order: 0;
  }

  .capability-content {
    max-width: 100%;
  }

  .capability-matrix .capability-title {
    font-size: 26px;
  }

  .capability-visual {
    aspect-ratio: 16/10;
  }
}

@media (max-width: 640px) {
  .capability-matrix .capability-title {
    font-size: 24px;
  }

  .capability-matrix .capability-actions {
    flex-direction: column;
  }

  .capability-matrix .capability-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .capability-row:hover .capability-visual img {
    transform: none;
  }
}

/********************
 * SCENARIO SECTION
 ********************/
.scenario-section {
  padding: var(--section-gap) 0;
  background-color: #E8ECF0;
}

.scenario-section .section-title,
.scenario-section .section-subtitle {
  color: #0F172A;
  text-align: center;
}

.scenario-section .section-subtitle {
  max-width: 640px;
  margin: 0 auto 48px;
  color: #475569;
  white-space: pre-line;
}

.architecture-diagram {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  min-height: 420px;
}

@media (min-width: 1296px) {
  .scenario-section .container {
    max-width: 1296px;
    padding: 0;
  }

  .scenario-section .section-subtitle {
    padding: 0 24px;
  }

  .architecture-diagram {
    min-height: 504px;
    transform: scale(1.2);
    transform-origin: center top;
  }
}

.architecture-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.connection-line {
  stroke-dasharray: 6 4;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.connection-dot {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.architecture-diagram.animated .connection-line {
  opacity: 0.7;
}

.architecture-diagram.animated .connection-dot {
  opacity: 1;
}

/* 输入侧：企业既有系统 */
.system-modules {
  position: absolute;
  left: 120px;
  top: 50%;
  transform: translateY(-50%);
  width: 240px;
  background: #FFFFFF;
  border-radius: 20px;
  padding: 20px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  z-index: 2;
}

.system-modules-title {
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 14px;
  text-align: center;
}

.system-modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.system-module {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 12px 6px;
  text-align: center;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.system-module:hover {
  border-color: #0A83BE;
  background: #F0F9FF;
  transform: translateY(-2px);
}

.system-module-more {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
}

.system-module-more .system-module-value {
  font-size: 13px;
  color: #64748B;
}

.system-module-label {
  display: block;
  font-size: 12px;
  color: #64748B;
  margin-bottom: 2px;
}

.system-module-value {
  display: block;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
}

/* 中枢：AI Agent */
.agent-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #17A8D8 0%, #0A83BE 45%, #053C63 100%);
  box-shadow: 0 0 30px rgba(23, 168, 216, 0.55), inset 0 0 28px rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  z-index: 3;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.architecture-diagram.animated .agent-core {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.agent-core-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.agent-core-title {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.agent-core-subtitle {
  display: none;
}

/* 输出侧：AI 能力卡片 */
.ai-capabilities {
  position: absolute;
  right: 80px;
  top: 0;
  bottom: 0;
  width: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  z-index: 2;
}

.capability-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #FFFFFF;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.architecture-diagram.animated .capability-card {
  opacity: 1;
  transform: translateY(0);
}

.architecture-diagram.animated .capability-card:nth-child(1) { transition-delay: 0.1s; }
.architecture-diagram.animated .capability-card:nth-child(2) { transition-delay: 0.2s; }
.architecture-diagram.animated .capability-card:nth-child(3) { transition-delay: 0.3s; }

.capability-card.vision:hover { border-color: #17A8D8; box-shadow: 0 8px 28px rgba(23, 168, 216, 0.15); }
.capability-card.meeting:hover { border-color: #69B95A; box-shadow: 0 8px 28px rgba(105, 185, 90, 0.15); }
.capability-card.knowledge:hover { border-color: #94D86F; box-shadow: 0 8px 28px rgba(148, 216, 111, 0.15); }

.capability-card:hover {
  transform: translateY(-4px);
}

.capability-image {
  flex-shrink: 0;
  width: 80px;
  height: 60px;
  border-radius: 10px;
  overflow: hidden;
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.capability-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capability-card.vision .capability-image { background: rgba(23, 168, 216, 0.08); }
.capability-card.meeting .capability-image { background: rgba(105, 185, 90, 0.08); }
.capability-card.knowledge .capability-image { background: rgba(148, 216, 111, 0.08); }

.capability-body {
  flex: 1;
  min-width: 0;
}

.capability-title {
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 6px;
}

.capability-desc {
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 10px;
}

.capability-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  padding: 4px 10px;
  border-radius: 100px;
  color: #17A8D8;
  background: rgba(23, 168, 216, 0.08);
}


@media (max-width: 1024px) {
  .architecture-diagram {
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    transform: none;
  }

  .architecture-connections {
    display: none;
  }

  .system-modules {
    position: static;
    transform: none;
    width: 100%;
    max-width: 420px;
  }

  .agent-core {
    position: static;
    transform: scale(0.9);
    margin: 0 auto;
  }

  .architecture-diagram.animated .agent-core {
    transform: scale(1);
  }

  .ai-capabilities {
    position: static;
    width: 100%;
    max-width: 600px;
    flex-direction: column;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .capability-card {
    flex-direction: column;
  }

  .system-modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .connection-dot animateMotion {
    animation: none;
  }

  .connection-line,
  .connection-dot,
  .agent-core,
  .capability-card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .architecture-diagram.animated .agent-core {
    transform: translate(-50%, -50%) scale(1);
  }

  .architecture-diagram.animated .capability-card {
    transform: translateY(0);
  }
}

/********************
 * SERVICE PROCESS
 ********************/
.service-process {
  padding: var(--section-gap) 0;
  background: linear-gradient(180deg, #E8ECF0 0%, #FFFFFF 100%);
}

.service-process .section-title {
  color: #0F172A;
  text-align: center;
  margin-bottom: 64px;
}

.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-line {
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: #CBD5E1;
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.process-number {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0A83BE 0%, #17A8D8 100%);
  color: #FFFFFF;
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  border-radius: 50%;
}

.process-step-title {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 10px;
}

.process-step-desc {
  font-size: var(--font-size-body);
  color: #475569;
  line-height: 1.6;
}

.process-line.animated {
  background: linear-gradient(90deg, #0A83BE 0%, #17A8D8 100%);
  animation: processLineGrow 1.2s ease-out forwards;
  transform-origin: left;
}

@keyframes processLineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (max-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-line {
    display: none;
  }
}

@media (max-width: 640px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
}

/********************
 * BOTTOM CTA
 ********************/
.cta-section {
  padding: var(--section-gap) 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 212, 170, 0.12), transparent 34%),
    linear-gradient(180deg, #EEF8F8 0%, #EAF3F7 100%);
  text-align: center;
  overflow: hidden;
}

.cta-inner {
  max-width: 880px;
}

.cta-section .cta-title {
  font-size: clamp(34px, 4.4vw, 48px);
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin: 0 0 16px;
  line-height: 1.2;
}

.cta-note {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #0081BD;
  line-height: 1.6;
  margin: 0 0 8px;
}

.cta-section .cta-subtitle {
  font-size: 18px;
  color: #334155;
  line-height: 1.85;
  margin: 0 auto 34px;
  max-width: 840px;
  text-align: center;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 132px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #00D4AA, #0EA5E9);
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-cn);
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(14, 165, 233, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.btn-cta-primary:hover {
  opacity: 0.94;
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(14, 165, 233, 0.26);
}

@media (max-width: 640px) {
  .cta-section .cta-title {
    font-size: 28px;
  }

  .cta-section .cta-subtitle {
    white-space: normal;
    font-size: 16px;
    text-align: center;
  }
}

/********************
 * TECH ADVANTAGES
 ********************/
.tech-advantages {
  padding: var(--section-gap) 0;
  background-color: #E8ECF0;
}

.tech-advantages .section-title {
  color: #0F172A;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tech-item {
  text-align: center;
  padding: 32px;
}

.tech-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 212, 170, 0.1);
  border-radius: var(--radius-md);
}

.tech-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent-cyan);
}

.tech-title {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 12px;
}

.tech-desc {
  font-size: var(--font-size-body-sm);
  color: #475569;
  line-height: 1.6;
}

/********************
 * USE CASES (Tabs)
 ********************/
.use-cases {
  padding: var(--section-gap) 0;
  background-color: #E8ECF0;
}

.use-cases .section-title {
  color: #0F172A;
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 30px;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: #64748B;
  border: 1px solid #CBD5E1;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--touch-target-min);
}

.tab-btn:hover {
  background-color: #FFFFFF;
}

.tab-btn.active {
  background-color: #FFFFFF;
  color: #0F172A;
  border-color: var(--color-accent-cyan);
}

.tab-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.tab-content.active {
  opacity: 1;
  transform: translateY(0);
}

.tab-content h3 {
  font-size: 24px;
  margin-bottom: 16px;
  color: #0F172A;
}

.tab-content p {
  font-size: var(--font-size-body);
  color: #475569;
  line-height: 1.7;
}

/********************
 * CLIENT CASES
 ********************/
.client-cases {
  padding: var(--section-gap) 0;
  background-color: #E8ECF0;
}

.client-cases .section-title {
  color: #0F172A;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.stat-card {
  background-color: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-top: 2px solid var(--color-accent-cyan);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-cyan);
  line-height: 1;
  margin-bottom: 12px;
  font-family: var(--font-family-en);
}

.stat-label {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: 12px;
}

.stat-desc {
  font-size: var(--font-size-body-sm);
  color: #475569;
  line-height: 1.6;
}

.client-logos {
  text-align: center;
}

.client-logos-title {
  font-size: var(--font-size-caption);
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.logo-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logo-placeholder {
  width: 120px;
  height: 48px;
  background-color: #FFFFFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  font-size: var(--font-size-caption);
  transition: background-color var(--transition-fast);
}

.logo-placeholder:hover {
  background-color: #F1F5F9;
}

/********************
 * RESPONSIVE
 ********************/
@media (min-width: 640px) {
  .hero-title {
    font-size: 48px;
  }
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 60px;
  }

  .hero-subtitle {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 72px;
  }
}

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    gap: 8px;
  }

  .tab-btn {
    padding: 8px 16px;
    font-size: var(--font-size-caption);
  }

  .stat-number {
    font-size: 36px;
  }

  .logo-row {
    gap: 24px;
  }
}

/* Japanese hero title: fixed size and keep each line on one line */
@media (min-width: 769px) {
  .hero-title:lang(ja) {
    font-size: 46px;
    white-space: nowrap;
  }
}