/* ============================================================
   home.css - 首页样式
   ============================================================ */

/* Hero */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 60px) 24px 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #22C55E, transparent);
  top: -200px; left: -200px;
  animation: orbFloat 12s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #F59E0B, transparent);
  bottom: -100px; right: -100px;
  animation: orbFloat 15s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #8B5CF6, transparent);
  top: 40%; left: 50%;
  animation: orbFloat 10s ease-in-out infinite 3s;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,197,94,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,197,94,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -20px); }
  66% { transform: translate(-20px, 30px); }
}

.hero-container { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 20px;
  font-size: 13px; color: var(--color-primary);
  margin-bottom: 32px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--color-primary); border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 84px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.title-line { display: block; }
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }

.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-weight: 700; font-size: 16px;
  text-decoration: none; border-radius: var(--radius-md);
  box-shadow: 0 0 40px var(--color-primary-glow);
  transition: all 0.3s;
}
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 50px var(--color-primary-glow); }
.btn-hero-primary svg { width: 18px; height: 18px; }

.btn-hero-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  background: transparent;
  color: var(--color-text); font-weight: 600; font-size: 16px;
  text-decoration: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); transition: all 0.3s;
}
.btn-hero-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-hero-secondary svg { width: 18px; height: 18px; }

.hero-stats {
  display: flex; align-items: center; gap: 20px;
  justify-content: center; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display); font-size: 28px; font-weight: 800;
  color: var(--color-primary); display: block;
}
.stat-label { font-size: 13px; color: var(--color-text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--color-border); }

/* Features section */
.features-section { padding: 100px 24px; }
.section-container { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; padding: 6px 16px;
  background: var(--color-primary-glow); border: 1px solid var(--color-primary);
  border-radius: 20px; font-size: 12px; font-weight: 600;
  color: var(--color-primary); letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc { font-size: 17px; color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1100px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: all 0.3s;
}
.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), var(--shadow-glow);
}
.feature-icon-wrap { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }
.feature-points { list-style: none; margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.feature-points li { font-size: 13px; color: var(--color-text-muted); }
.feature-cta { display: inline-block; color: var(--color-primary); font-size: 14px; font-weight: 600; text-decoration: none; }
.feature-cta:hover { text-decoration: underline; }

/* Platforms */
.platforms-section { padding: 60px 24px; background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.platforms-row { display: flex; align-items: center; gap: 24px; justify-content: center; flex-wrap: wrap; }
.platform-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.platform-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: white;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.platform-item span { font-size: 12px; color: var(--color-text-muted); }

/* Pricing preview */
.pricing-preview-section { padding: 100px 24px; }
.pricing-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1000px) { .pricing-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pricing-cards { grid-template-columns: 1fr; } }

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  position: relative;
  transition: all 0.3s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-surface), rgba(34,197,94,0.05));
  box-shadow: var(--shadow-glow);
}
.pricing-popular-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-size: 11px; font-weight: 700;
  padding: 4px 14px; border-radius: 12px;
  white-space: nowrap;
}
.pricing-plan-name {
  font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 12px;
}
.pricing-price { margin-bottom: 20px; }
.price-currency { font-size: 18px; font-weight: 600; color: var(--color-text-muted); }
.price-num { font-family: var(--font-display); font-size: 40px; font-weight: 800; color: var(--color-primary); }
.price-period { font-size: 14px; color: var(--color-text-muted); }
.price-free { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--color-text); }
.pricing-features-list { list-style: none; margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.pricing-features-list li { font-size: 13px; color: var(--color-text-muted); }
.pricing-cta {
  display: block; text-align: center; padding: 12px;
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
  text-decoration: none; transition: all 0.2s;
}
.pricing-cta-primary { background: var(--color-primary); color: #000; }
.pricing-cta-primary:hover { background: var(--color-primary-dark); }
.pricing-cta-outline { border: 1px solid var(--color-border); color: var(--color-text-muted); }
.pricing-cta-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pricing-compare-link { text-align: center; margin-top: 24px; }
.pricing-compare-link a { color: var(--color-primary); text-decoration: none; font-size: 15px; }

/* CTA section */
.cta-section {
  padding: 100px 24px;
  background: radial-gradient(ellipse at center, rgba(34,197,94,0.1) 0%, transparent 70%);
}
.cta-container { text-align: center; max-width: 600px; margin: 0 auto; }
.cta-container h2 { font-family: var(--font-display); font-size: 44px; font-weight: 800; margin-bottom: 16px; }
.cta-container p { font-size: 17px; color: var(--color-text-muted); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-cta-primary {
  display: inline-flex; align-items: center; padding: 16px 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-weight: 700; font-size: 16px;
  text-decoration: none; border-radius: var(--radius-md);
  box-shadow: 0 0 40px var(--color-primary-glow);
  transition: all 0.3s;
}
.btn-cta-primary:hover { transform: translateY(-2px); }
.btn-cta-secondary {
  display: inline-flex; align-items: center; padding: 16px 36px;
  border: 1px solid var(--color-border); color: var(--color-text);
  font-weight: 600; font-size: 16px;
  text-decoration: none; border-radius: var(--radius-md);
  transition: all 0.3s;
}
.btn-cta-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }