/* 培训中心页 banner */
.training-page {
  --training-gutter: max(24px, calc((100% - 1180px) / 2));
  padding-bottom: 80px;
  background: var(--paper);
  max-width: 100%;
  overflow-x: clip;
}

.training-banner {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: 88px var(--training-gutter) 28px;
  color: var(--ink);
  background: #e8f5fc;
}

.training-banner__media,
.training-banner__shade,
.training-banner__decor {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.training-banner--pilot .training-banner__media {
  background:
    url("../assets/training-pilot-banner.png") 58% center / cover no-repeat,
    linear-gradient(135deg, #d7ebf8 0%, #9ec8e6 100%);
}

.training-banner--repair .training-banner__media {
  background:
    url("../assets/training-repair-banner.png") 72% center / cover no-repeat,
    linear-gradient(135deg, #edf8fd 0%, #cfeefb 100%);
}

.training-banner--pilot .training-banner__shade {
  background:
    linear-gradient(90deg,
      rgba(232, 246, 252, 0.94) 0%,
      rgba(214, 237, 248, 0.72) 30%,
      rgba(188, 224, 242, 0.28) 48%,
      transparent 62%),
    linear-gradient(0deg, rgba(236, 247, 252, 0.4), transparent 42%);
}

.training-banner--repair .training-banner__shade {
  background:
    linear-gradient(90deg,
      rgba(236, 247, 252, 0.96) 0%,
      rgba(224, 241, 250, 0.78) 30%,
      rgba(210, 234, 246, 0.28) 48%,
      transparent 62%),
    linear-gradient(0deg, rgba(243, 249, 252, 0.42), transparent 40%);
}

.training-banner__decor {
  overflow: hidden;
}

.training-banner--pilot .training-banner__decor:before,
.training-banner--pilot .training-banner__decor:after {
  content: "";
  position: absolute;
  border: 1px solid rgba(69, 169, 230, 0.28);
  border-radius: 50%;
}

.training-banner--pilot .training-banner__decor:before {
  top: 12%;
  right: 8%;
  width: min(42vw, 360px);
  aspect-ratio: 1;
  animation: training-orbit 22s linear infinite;
}

.training-banner--pilot .training-banner__decor:after {
  top: 22%;
  right: 14%;
  width: min(28vw, 240px);
  aspect-ratio: 1;
  border-style: dashed;
  border-color: rgba(69, 169, 230, 0.2);
  animation: training-orbit 16s linear infinite reverse;
}

.training-banner--repair .training-banner__decor:before {
  content: "";
  position: absolute;
  right: 8%;
  bottom: 12%;
  width: min(30vw, 220px);
  height: min(30vw, 220px);
  border-radius: 24px;
  background:
    radial-gradient(circle at 30% 30%, rgba(69, 169, 230, 0.12), transparent 55%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.35), transparent 60%);
  border: 1px solid rgba(185, 222, 239, 0.45);
  transform: rotate(10deg);
}

.training-banner__shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.training-banner__copy {
  max-width: 560px;
}

.training-banner__copy .badge {
  margin-bottom: 10px;
  color: #2d76b1;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #b9deef;
}

.training-banner__copy .page-title {
  margin: 0 0 8px;
  font-size: clamp(28px, 3.4vw, 40px);
  color: #17344d;
  line-height: 1.12;
}

.training-banner__copy .page-lead {
  max-width: 520px;
  margin: 0;
  color: #536f81;
  font-size: 15px;
  line-height: 1.65;
}

.training-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.training-banner__tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(185, 222, 239, 0.95);
  color: #276fa8;
  font-size: 12px;
  font-weight: 800;
}

.training-body {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 48px));
  max-width: 100%;
  margin: -24px auto 0;
  display: grid;
  gap: 18px;
  box-sizing: border-box;
}

.training-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 36px rgba(23, 52, 77, 0.06);
}

.training-panel article {
  padding: 14px 12px;
  border-radius: 14px;
  background: var(--brand-pale);
  border: 1px solid rgba(216, 232, 241, 0.95);
  text-align: center;
}

.training-panel strong {
  display: block;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--navy);
  line-height: 1.2;
}

.training-panel span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.training-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.training-card {
  padding: 24px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(23, 52, 77, 0.05);
}

.training-card .kicker {
  display: inline-flex;
  margin-bottom: 10px;
  color: #2d76b1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.training-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 18px;
}

.training-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

@keyframes training-orbit {
  to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
  .training-banner {
    min-height: 250px;
    padding-top: 82px;
    padding-bottom: 20px;
  }

  .training-banner__shell,
  .training-body {
    width: calc(100% - 32px);
  }

  .training-banner--pilot .training-banner__media {
    background-position: 78% center;
  }

  .training-banner--repair .training-banner__media {
    background-position: 80% center;
  }

  .training-panel,
  .training-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .training-banner {
    min-height: 230px;
    padding-top: 78px;
    padding-bottom: 16px;
  }

  .training-banner__shell,
  .training-body {
    width: calc(100% - 24px);
  }

  .training-banner__copy .page-lead {
    font-size: 14px;
  }

  .training-banner__tags {
    margin-top: 10px;
    gap: 6px;
  }

  .training-banner__tags span {
    min-height: 28px;
    font-size: 11px;
  }

  .training-panel {
    padding: 14px;
    border-radius: 16px;
  }

  .training-banner--pilot .training-banner__decor:before,
  .training-banner--pilot .training-banner__decor:after,
  .training-banner--repair .training-banner__decor:before {
    opacity: 0.45;
  }
}

@media (prefers-reduced-motion: reduce) {
  .training-banner--pilot .training-banner__decor:before,
  .training-banner--pilot .training-banner__decor:after {
    animation: none;
  }
}