/* 洛洛短视频官网 - 与 r_client AppTheme 保持一致 */
/* 对应 lib/theme/app_theme.dart: primary=orange, accent=amber, background=grey.shade100 */
:root {
  --bg: #F5F5F5;           /* grey.shade100 */
  --bg-card: #FFFFFF;
  --text: rgba(0,0,0,0.87);   /* black87 */
  --text-muted: #757575;      /* grey.shade600 */
  --primary: #FF9800;         /* Colors.orange */
  --accent: #FFC107;          /* Colors.amber */
  --accent-soft: rgba(255, 193, 7, 0.15);
  --gradient: linear-gradient(135deg, #FFCA28 0%, #FB8C00 100%);  /* amber.shade400 → orange.shade600 */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  padding: 20px 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(255, 152, 0, 0.25);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero-slogan {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 8px;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Features */
.features {
  padding: 60px 0;
}

.features h2,
.download h2 {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Download */
.download {
  padding: 60px 0 80px;
}

.download-desc {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.store-btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--gradient);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 500;
  transition: opacity 0.2s;
  box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.store-btn:hover {
  opacity: 0.9;
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(0,0,0,0.08);
  text-align: center;
}

.footer-links {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.sep {
  color: var(--text-muted);
  margin: 0 12px;
  font-size: 0.85rem;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* 响应式 */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero-slogan {
    font-size: 1.1rem;
  }
}