/* 食刻饭选 — 产品页（深色主题扩展） */
body.product-page {
  --product-accent: #fbbf24;
  --product-accent-soft: rgba(251, 191, 36, 0.12);
  --product-warm: #fb923c;
}

.product-hero {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
  padding-bottom: 4rem;
}

.product-hero .breadcrumb {
  padding: 1rem 0 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-hero .breadcrumb a:hover {
  color: var(--product-accent);
}

.product-hero .breadcrumb span {
  margin: 0 0.4rem;
}

.product-hero .breadcrumb [aria-current="page"] {
  color: var(--text-secondary);
}

.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: min(75vh, 720px);
}

.product-hero .eyebrow {
  color: var(--product-accent);
}

.product-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0.75rem 0 1rem;
}

.product-hero-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 28rem;
  margin-bottom: 1.75rem;
}

.product-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn-product {
  background: linear-gradient(135deg, var(--product-accent) 0%, var(--product-warm) 100%);
  color: var(--bg-deep);
  box-shadow: 0 4px 28px rgba(251, 191, 36, 0.3);
}

.btn-product:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(251, 191, 36, 0.4);
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product-meta span {
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.product-hero-visual {
  display: flex;
  justify-content: center;
}

.app-showcase {
  position: relative;
  width: min(300px, 100%);
}

.app-showcase .phone-mock {
  width: 100%;
}

.app-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.15) 0%, transparent 65%);
  pointer-events: none;
  z-index: -1;
}

/* Features */
.product-section {
  position: relative;
  z-index: 1;
  padding-block: var(--space-section);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.feature-card:hover {
  border-color: rgba(251, 191, 36, 0.35);
  transform: translateY(-3px);
}

.feature-card.wide {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, var(--product-accent-soft) 0%, var(--bg-card) 50%);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ai-feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.ai-feature-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
}

.ai-feature-list li::before {
  content: "✦ ";
  color: var(--product-accent);
}

/* Flow */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: flow;
}

.flow-step {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.flow-step::before {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--product-accent);
  margin-bottom: 0.75rem;
}

.flow-step h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.flow-step p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Waitlist */
.product-cta {
  padding-bottom: calc(var(--space-section) * 0.7);
}

.product-cta-box {
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(251, 191, 36, 0.25);
  background: linear-gradient(180deg, var(--product-accent-soft) 0%, var(--bg-card) 100%);
}

.product-cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin-bottom: 0.5rem;
}

.product-cta-box > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.product-waitlist-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 420px;
  margin-inline: auto;
}

.product-waitlist-form input {
  flex: 1 1 200px;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
}

.product-waitlist-form input:focus {
  border-color: rgba(251, 191, 36, 0.5);
}

@media (max-width: 900px) {
  .product-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-hero-visual {
    order: -1;
  }

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

  .feature-card.wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .ai-feature-list {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .flow-steps {
    grid-template-columns: 1fr;
  }
}