:root {
  --bg-color: #0f0f13;
  --bg-card: #1a1a24;
  --bg-card-hover: #222230;
  --text-main: #f0f0f5;
  --text-sub: #a0a0b0;
  --accent: #ff4d6d;
  --accent-hover: #ff6b85;
  --accent-gradient: linear-gradient(135deg, #ff4d6d 0%, #7b2cbf 100%);
  --border-color: #2a2a38;
  --radius: 12px;
  --transition: 0.3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; object-fit: cover; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(15, 15, 19, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.brand img { height: 32px; border-radius: 6px; }
.nav-links { display: none; gap: 20px; font-size: 15px; color: var(--text-sub); }
.nav-links a:hover { color: var(--text-main); }
.header-dl-btn {
  background: var(--accent-gradient);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  display: none;
}

/* Hero Section */
.hero {
  padding: 60px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,77,109,0.15) 0%, transparent 70%);
  z-index: -1;
}
.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.hero-content h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-content p {
  color: var(--text-sub);
  font-size: 16px;
  margin-bottom: 24px;
  max-width: 600px;
}
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-tags span {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-sub);
}
.download-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
}
.dl-btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 77, 109, 0.3);
}
.dl-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 77, 109, 0.5); }
.dl-btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.dl-btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--text-sub); }
.hero-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.hero-image img { width: 100%; height: auto; aspect-ratio: 3/4; }

/* Sections Common */
.section { padding: 60px 0; }
.section-title { margin-bottom: 40px; text-align: center; }
.section-title h2 { font-size: 28px; margin-bottom: 10px; }
.section-title p { color: var(--text-sub); font-size: 15px; }

/* AI Shorts */
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }
.poster-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.poster-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.poster-card img { width: 100%; aspect-ratio: 3/4; transition: transform 0.5s ease; }
.poster-card:hover img { transform: scale(1.05); }
.poster-info { padding: 16px; }
.poster-info h3 { font-size: 16px; margin-bottom: 8px; }
.poster-info p { font-size: 13px; color: var(--text-sub); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.poster-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #888; }
.tag { background: rgba(255,77,109,0.1); color: var(--accent); padding: 2px 8px; border-radius: 4px; }

/* Hot Dramas */
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.drama-item { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; }
.drama-item img { width: 100%; aspect-ratio: 3/4; transition: transform 0.5s; }
.drama-item:hover img { transform: scale(1.05); }
.drama-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px 10px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
}
.drama-overlay h3 { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drama-overlay span { font-size: 11px; color: #ccc; }

/* Installation Steps */
.steps-container { display: flex; flex-direction: column; gap: 20px; }
.step-card {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step-num { font-size: 24px; font-weight: 800; color: var(--accent); opacity: 0.5; }
.step-card h3 { font-size: 18px; }
.step-card p { color: var(--text-sub); font-size: 14px; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 15px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.faq-q {
  padding: 18px 20px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-q::after { content: '+'; font-size: 20px; color: var(--accent); }
.faq-item.open .faq-q::after { content: '-'; }
.faq-a {
  padding: 0 20px 18px;
  color: var(--text-sub);
  font-size: 14px;
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.review-card {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  position: relative;
}
.review-card::before {
  content: '“';
  position: absolute;
  top: 10px; right: 20px;
  font-size: 60px;
  color: var(--accent);
  opacity: 0.2;
  font-family: serif;
}
.review-text { font-size: 14px; margin-bottom: 15px; font-style: italic; }
.review-user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-sub); }
.user-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-gradient); }

/* Security */
.security-wrap { display: flex; flex-direction: column; gap: 20px; }
.sec-item { display: flex; gap: 15px; align-items: flex-start; background: var(--bg-card); padding: 20px; border-radius: var(--radius); }
.sec-icon { font-size: 24px; flex-shrink: 0; }
.sec-content h3 { font-size: 16px; margin-bottom: 5px; }
.sec-content p { font-size: 14px; color: var(--text-sub); }

/* Creator Plan */
.creator-box {
  background: linear-gradient(135deg, rgba(123,44,191,0.15) 0%, rgba(255,77,109,0.15) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
}
.creator-box h2 { font-size: 24px; margin-bottom: 15px; }
.creator-box p { color: var(--text-sub); margin-bottom: 20px; font-size: 15px; }
.creator-list { display: flex; flex-direction: column; gap: 15px; text-align: left; margin-top: 20px; }
.creator-list li { background: rgba(0,0,0,0.2); padding: 15px; border-radius: 8px; font-size: 14px; }

/* Community */
.community-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
.comm-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border-color);
}
.comm-card h3 { font-size: 16px; margin-bottom: 10px; color: var(--accent); }
.comm-card p { font-size: 14px; color: var(--text-sub); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0 20px;
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: #666;
}
.footer-links { margin-bottom: 15px; }
.footer-links a { margin: 0 10px; color: #888; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { margin-bottom: 10px; }
.footer-time { margin-bottom: 15px; }

/* Responsive */
@media (min-width: 768px) {
  .hero-content h1 { font-size: 42px; }
  .hero-inner { flex-direction: row; align-items: center; }
  .hero-content { flex: 1; }
  .hero-image { flex: 1; max-width: 400px; }
  .nav-links { display: flex; }
  .header-dl-btn { display: inline-block; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .steps-container { flex-direction: row; flex-wrap: wrap; }
  .step-card { flex: 1 1 calc(50% - 20px); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .security-wrap { flex-direction: row; flex-wrap: wrap; }
  .sec-item { flex: 1 1 calc(50% - 20px); }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .steps-container { flex-wrap: nowrap; }
  .step-card { flex: 1; }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .community-grid { grid-template-columns: repeat(3, 1fr); }
  .section-title h2 { font-size: 32px; }
}