.train-page {
  color: #111827;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.5;
}

.train-page *,
.train-page *::before,
.train-page *::after {
  box-sizing: border-box;
}

.grid-bg {
  width: 100vw;
  min-height: 100vh;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  overflow: hidden;
  background:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #ede9fe 100%);
  background-size: 50px 50px, 50px 50px, auto;
}

.min-h-screen {
  min-height: 100vh;
}

.page-shell {
  min-height: 100vh;
  max-width: none;
  margin: 0 auto;
  padding: 0;
}

.hero-section {
  position: relative;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 920px);
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin-bottom: 24px;
  color: #1d4ed8;
  font-size: 14px;
  font-weight: 650;
  background: #dbeafe;
  border-radius: 9999px;
}

.icon-svg--xs {
  width: 16px;
  height: 16px;
}

.icon-svg--sm {
  width: 24px;
  height: 24px;
}

.icon-svg {
  width: 32px;
  height: 32px;
  color: #fff;
}

.hero-title {
  margin: 0 0 24px;
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title__sub {
  display: inline-block;
  margin-top: 12px;
  color: #374151;
  font-size: clamp(30px, 3.6vw, 50px);
  background: none;
  -webkit-text-fill-color: currentColor;
}

.hero-description {
  max-width: 760px;
  margin: 0 auto 36px;
  color: #4b5563;
  font-size: 18px;
  line-height: 1.85;
}

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

.btn-primary,
.btn-secondary,
.use-btn {
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.btn-primary {
  color: #fff;
  min-height: 46px;
  padding: 12px 32px;
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  min-height: 46px;
  padding: 12px 32px;
  color: #2563eb;
  font-size: 18px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid #bfdbfe;
  border-radius: 12px;
}

.btn-secondary:hover {
  background: #eff6ff;
}

.hero-blur {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(64px);
  opacity: 0.5;
  pointer-events: none;
}

.hero-blur--blue {
  top: 80px;
  left: 40px;
  width: 80px;
  height: 80px;
  background: #bfdbfe;
}

.hero-blur--indigo {
  right: 80px;
  bottom: 40px;
  width: 128px;
  height: 128px;
  background: #c7d2fe;
}

.hero-blur--indigo-delay {
  animation-delay: 1s;
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

.animate-fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-100 {
  animation-delay: 0.1s;
}

.animate-delay-200 {
  animation-delay: 0.2s;
}

.animate-delay-300 {
  animation-delay: 0.3s;
}

.page-section {
  position: relative;
  z-index: 1;
  padding: 64px 24px;
}

.page-section--soft {
  padding: 64px 24px;
  background: transparent;
}

.section-inner {
  width: min(100%, 1280px);
  margin: 0 auto;
}

.section-inner--wide {
  width: min(100%, 1400px);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 14px;
  color: #111827;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 0;
  color: #6b7280;
  font-size: 16px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.feature-card {
  position: relative;
  display: flex;
  overflow: hidden;
  padding: 32px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}

.feature-card__decor {
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  pointer-events: none;
  border-radius: 999px;
  opacity: 0.6;
  transform: translate(25%, -50%);
}

.feature-card__body {
  position: relative;
  z-index: 10;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.feature-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  color: #fff;
  border-radius: 16px;
}

.feature-card__body h3 {
  margin: 0 0 12px;
  color: #111827;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.feature-card__body p {
  margin: 0 0 24px;
  color: #4b5563;
  font-size: 16px;
  line-height: 1.625;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  color: #1d4ed8;
  font-size: 14px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 9999px;
}

.workflow-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 768px;
  margin: 0 auto;
}

.workflow-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-line {
  position: relative;
}

.step-line::after {
  position: absolute;
  top: 48px;
  left: 24px;
  width: 2px;
  height: calc(100% - 48px);
  background: linear-gradient(#3b82f6, #93c5fd);
  content: '';
}

.step-num {
  z-index: 1;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.workflow-step__card {
  flex: 1;
  padding: 24px;
  background: #fff;
  border: 1px solid #f3f4f6;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.workflow-step__card--final {
  border-color: #dcfce7;
}

.workflow-step__title {
  margin: 0 0 8px;
  color: #111827;
  font-size: 18px;
  font-weight: 700;
}

.workflow-step__desc {
  margin: 0 0 16px;
  color: #6b7280;
  font-size: 14px;
}

.workflow-step__meta,
.workflow-step__status {
  font-size: 14px;
}

.workflow-step__meta {
  display: flex;
  gap: 16px;
  align-items: center;
}

.workflow-step__status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #16a34a;
  font-weight: 600;
}

.workflow-step__meta-label {
  color: #9ca3af;
}

.workflow-step__meta-value {
  color: #374151;
  font-weight: 500;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  text-align: center;
}

.stat-card {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid #f3f4f6;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.stat-card__value {
  margin-bottom: 8px;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 850;
  line-height: 1;
}

.stat-card__label {
  color: #6b7280;
  font-size: 15px;
}

.cta-panel {
  padding: 40px 32px;
  text-align: center;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.cta-panel__title {
  margin: 0 0 16px;
  color: #111827;
  font-size: 24px;
  font-weight: 700;
}

.cta-panel__desc {
  margin: 0 0 24px;
  color: #4b5563;
  font-size: 16px;
  line-height: 1.6;
}

.cta-panel__title--lg {
  margin-bottom: 24px;
  font-size: clamp(30px, 3vw, 36px);
}

.cta-panel__desc--lg {
  max-width: 672px;
  margin: 0 auto 40px;
  font-size: 18px;
}

.decor-gradient-blue,
.decor-gradient-blue {
  background: linear-gradient(to bottom right, #dbeafe, #eff6ff);
}

.icon-gradient-blue {
  background: linear-gradient(to bottom right, #3b82f6, #2563eb);
}

.decor-gradient-indigo,
.decor-gradient-indigo {
  background: linear-gradient(to bottom right, #e0e7ff, #eef2ff);
}

.icon-gradient-indigo {
  background: linear-gradient(to bottom right, #6366f1, #4f46e5);
}

.decor-gradient-purple,
.decor-gradient-purple {
  background: linear-gradient(to bottom right, #f3e8ff, #faf5ff);
}

.icon-gradient-purple {
  background: linear-gradient(to bottom right, #a855f7, #9333ea);
}

.decor-gradient-cyan,
.decor-gradient-cyan {
  background: linear-gradient(to bottom right, #cffafe, #ecfeff);
}

.icon-gradient-cyan {
  background: linear-gradient(to bottom right, #06b6d4, #0891b2);
}

.decor-gradient-green,
.decor-gradient-green {
  background: linear-gradient(to bottom right, #dcfce7, #f0fdf4);
}

.icon-gradient-green {
  background: linear-gradient(to bottom right, #22c55e, #16a34a);
}

.step-num--done {
  background: #22c55e;
  box-shadow: 0 10px 15px -3px rgba(34, 197, 94, 0.3);
}

.decor-gradient-amber,
.decor-gradient-amber {
  background: linear-gradient(to bottom right, #fef3c7, #fffbeb);
}

.icon-gradient-amber {
  background: linear-gradient(to bottom right, #f59e0b, #d97706);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floating {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1100px) {
  .feature-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .hero-section {
    padding: 48px 18px;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-title__sub {
    font-size: 27px;
  }

  .hero-description {
    font-size: 15px;
    line-height: 1.75;
  }

  .page-section,
  .page-section--soft {
    padding: 52px 18px;
  }

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

  .feature-card {
    min-height: auto;
    padding: 24px;
    border-radius: 24px;
  }

  .cta-panel {
    padding: 34px 22px;
  }
}