/* 贤紫开店课程 - 独立营销落地页（无背景图，纯渐变/几何对称） */
.aerial-landing-page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: #fff;
  /* 背景：对称的高能渐变 + 细密网格 */
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 44px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.045) 0px, rgba(255,255,255,0.045) 1px, transparent 1px, transparent 44px),
    radial-gradient(900px circle at 18% 18%, rgba(37,99,235,0.35), transparent 58%),
    radial-gradient(700px circle at 86% 22%, rgba(99,102,241,0.30), transparent 52%),
    radial-gradient(600px circle at 50% 0%, rgba(236,72,153,0.18), transparent 55%),
    linear-gradient(180deg, #0b1020 0%, #091b3b 52%, #07142e 100%);
}

.aerial-landing-page::before,
.aerial-landing-page::after {
  content: "";
  position: absolute;
  top: -260px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  filter: blur(24px);
  opacity: 0.9;
  background: radial-gradient(circle at 30% 30%, rgba(37,99,235,0.65) 0%, rgba(37,99,235,0.0) 62%);
  animation: aerialOrb 9s ease-in-out infinite;
  pointer-events: none;
}

.aerial-landing-page::before {
  left: -320px;
}

.aerial-landing-page::after {
  right: -320px;
  transform: scaleX(-1);
  background: radial-gradient(circle at 30% 30%, rgba(99,102,241,0.62) 0%, rgba(99,102,241,0.0) 62%);
}

@keyframes aerialOrb {
  0% { transform: translateY(0) scale(1); }
  50% { transform: translateY(18px) scale(1.04); }
  100% { transform: translateY(0) scale(1); }
}

.aerial-landing-inner {
  position: relative;
  max-width: 1220px;
  margin: 0 auto;
  padding: 44px 20px 60px;
}

.aerial-hero {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 980px) {
  .aerial-hero {
    grid-template-columns: 1fr;
  }
}

.aerial-hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 20px;
  padding: 26px 24px;
  box-shadow: 0 30px 90px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.aerial-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
  font-weight: 800;
}

.aerial-title {
  font-size: 40px;
  font-weight: 950;
  letter-spacing: 0.3px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.aerial-sub {
  color: rgba(255,255,255,0.78);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 20px;
  max-width: 560px;
}

.aerial-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.aerial-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: linear-gradient(90deg, rgba(37,99,235,0.95) 0%, rgba(99,102,241,0.95) 100%);
  color: #fff;
  font-weight: 950;
  text-decoration: none;
  box-shadow: 0 16px 40px rgba(37,99,235,0.30);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.aerial-cta-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.aerial-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
  font-weight: 900;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.aerial-cta-secondary:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.20);
}

.aerial-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.aerial-steps {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 18px 18px 16px;
}

.aerial-steps-title {
  font-size: 14px;
  font-weight: 950;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.96);
}

.aerial-step {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 0;
  border-top: 1px dashed rgba(255,255,255,0.18);
}
.aerial-step:first-child {
  border-top: none;
  padding-top: 0;
}

.aerial-step-num {
  width: 26px;
  height: 26px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
}

.aerial-step-text {
  font-size: 13px;
  color: rgba(255,255,255,0.86);
  font-weight: 800;
  line-height: 1.6;
}

.aerial-feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

@media (max-width: 980px) {
  .aerial-feature-row { grid-template-columns: 1fr; }
}

.aerial-feature {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 16px 16px 14px;
}

.aerial-feature h4 {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 950;
}

.aerial-feature p {
  margin: 0;
  color: rgba(255,255,255,0.78);
  font-size: 13px;
  line-height: 1.8;
}

.aerial-preview {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 14px 16px;
}

.aerial-preview-title {
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  font-weight: 950;
  margin-bottom: 10px;
}

.aerial-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.aerial-pill {
  padding: 10px 10px;
  border-radius: 14px;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.92);
  font-weight: 900;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 底部营销区块 */
.aerial-sections {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.aerial-section {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 22px;
  padding: 22px 20px;
  box-shadow: 0 40px 120px rgba(0,0,0,0.30);
}

.aerial-section-title {
  font-size: 18px;
  font-weight: 950;
  margin-bottom: 14px;
  color: rgba(255,255,255,0.96);
  letter-spacing: 0.2px;
}

.aerial-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.aerial-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 980px) {
  .aerial-grid-3 { grid-template-columns: 1fr; }
  .aerial-grid-2 { grid-template-columns: 1fr; }
}

.aerial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 16px 16px 14px;
  min-height: 92px;
}

.aerial-card-title {
  font-size: 14px;
  font-weight: 950;
  color: rgba(255,255,255,0.96);
  margin-bottom: 8px;
}

.aerial-card-sub {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
}

.aerial-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.aerial-faq-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 12px 14px;
}

.aerial-faq-item > summary {
  cursor: pointer;
  font-weight: 950;
  color: rgba(255,255,255,0.96);
}

.aerial-faq-content {
  margin-top: 10px;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  font-size: 13px;
}

.aerial-final-cta {
  background: linear-gradient(180deg, rgba(37,99,235,0.18) 0%, rgba(99,102,241,0.08) 100%);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 22px;
  padding: 24px 20px;
}

.aerial-final-title {
  font-size: 20px;
  font-weight: 950;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.98);
}

.aerial-final-sub {
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  font-size: 13px;
  margin-bottom: 16px;
}

.aerial-final-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}