/* 首页样式 */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 35, 27, 0.15) 0%,
    rgba(20, 35, 27, 0.35) 55%,
    rgba(20, 35, 27, 0.78) 100%
  );
}
.hero-content {
  position: relative;
  color: #fff;
  padding-bottom: 56px;
  padding-top: 120px;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  line-height: 1.25;
  font-weight: 800;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.hero-sub {
  margin-top: 14px;
  max-width: 520px;
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}
.btn-hero-primary {
  background: var(--orange-500);
  color: #fff;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(236, 143, 47, 0.4);
}
.btn-hero-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.biz-grid {
  display: grid;
  gap: 18px;
}
.biz-card {
  display: block;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  color: var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.biz-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.biz-card.biz-hiking {
  background: var(--green-100);
}
.biz-card.biz-marathon {
  background: var(--orange-100);
}
.biz-icon {
  font-size: 1.9rem;
  margin-bottom: 10px;
}
.biz-card h3 {
  font-size: 1.2rem;
  color: var(--green-900);
  margin-bottom: 8px;
}
.biz-card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 14px;
}
.biz-link {
  font-weight: 700;
  color: var(--green-700);
  font-size: 0.95rem;
}

.home-cta {
  background: var(--green-900);
  border-radius: calc(var(--radius) + 6px);
  color: #fff;
  text-align: center;
  padding: 44px 24px;
}
.home-cta h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.home-cta p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 460px;
  margin: 0 auto 24px;
}

@media (min-width: 768px) {
  .biz-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-cta {
    padding: 56px 40px;
  }
}