:root {
  --bg-dark: #0d0f14;
  --bg-card: #161922;
  --bg-card-hover: #1f232e;
  --text-main: #f0f2f5;
  --text-muted: #a0a8b8;
  --accent-red: #e63946;
  --accent-gold: #fca311;
  --border-color: #2a2f3a;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --max-width: 1200px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  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; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  background: rgba(13, 15, 20, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}
.brand img { height: 32px; width: auto; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--text-muted); font-size: 15px; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent-gold); }
.header-cta {
  background: var(--accent-red);
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: bold;
  transition: opacity 0.3s;
}
.header-cta:hover { opacity: 0.9; }

/* Hero Section */
.hero {
  padding: 120px 20px 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content h1 {
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #fff, #fca311);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-tag {
  display: inline-block;
  background: rgba(230, 57, 70, 0.15);
  color: var(--accent-red);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 14px;
  margin-bottom: 16px;
  border: 1px solid rgba(230, 57, 70, 0.3);
}
.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 30px;
}
.hero-features {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}
.hero-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
}
.hero-features li::before {
  content: "✓";
  color: var(--accent-gold);
  font-weight: bold;
}
.download-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: bold;
  transition: transform 0.2s, opacity 0.2s;
}
.btn:hover { transform: translateY(-2px); opacity: 0.9; }
.btn-android { background: linear-gradient(135deg, #34a853, #2b8042); color: #fff; }
.btn-ios { background: linear-gradient(135deg, #007aff, #005bb5); color: #fff; }
.btn-outline { border: 1px solid var(--border-color); color: var(--text-main); background: var(--bg-card); }

.hero-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.hero-visual img {
  width: 100%;
  height: 240px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  transition: transform 0.3s;
}
.hero-visual img:hover { transform: scale(1.05); z-index: 2; position: relative; }
.hero-visual img:nth-child(2) { transform: translateY(20px); }
.hero-visual img:nth-child(2):hover { transform: translateY(20px) scale(1.05); }
.hero-visual img:nth-child(3) { transform: translateY(40px); }
.hero-visual img:nth-child(3):hover { transform: translateY(40px) scale(1.05); }

/* Section Base */
.section { padding: 80px 20px; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 32px; margin-bottom: 12px; }
.section-title p { color: var(--text-muted); font-size: 16px; }

/* AI Short Drama */
.ai-drama {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--border-color);
}
.ai-drama-text h3 { font-size: 24px; margin-bottom: 16px; color: var(--accent-gold); }
.ai-drama-text p { color: var(--text-muted); margin-bottom: 20px; font-size: 15px; }
.ai-drama-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ai-drama-grid img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-sm);
  transition: filter 0.3s;
}
.ai-drama-grid img:hover { filter: brightness(1.2); }

/* Hot Drama */
.hot-drama-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}
.drama-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: transform 0.3s, box-shadow 0.3s;
}
.drama-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.4);
  border-color: rgba(252, 163, 17, 0.3);
}
.drama-card img { width: 100%; aspect-ratio: 3/4; }
.drama-info { padding: 16px; }
.drama-info h3 { font-size: 16px; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drama-info p { font-size: 13px; color: var(--text-muted); display: flex; justify-content: space-between; }
.drama-info .score { color: var(--accent-gold); font-weight: bold; }

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}
.steps-grid::before {
  content: ""; position: absolute; top: 40px; left: 10%; right: 10%;
  height: 2px; background: var(--border-color); z-index: 1; display: none;
}
.step-card {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-md);
  text-align: center;
  position: relative;
  z-index: 2;
  border: 1px solid var(--border-color);
}
.step-num {
  width: 48px; height: 48px;
  background: var(--accent-red);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: bold;
  margin: 0 auto 20px;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
}
.step-card h3 { font-size: 18px; margin-bottom: 12px; }
.step-card p { color: var(--text-muted); font-size: 14px; }

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.review-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
  display: flex; align-items: center; justify-content: center;
  font-weight: bold; color: #fff;
}
.review-stars { color: var(--accent-gold); font-size: 12px; }
.review-card p { font-size: 14px; color: var(--text-muted); font-style: italic; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-q {
  padding: 20px;
  font-size: 16px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}
.faq-q::after { content: "+"; color: var(--accent-gold); font-size: 20px; transition: transform 0.3s; }
.faq-item.active .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 20px 20px;
  color: var(--text-muted);
  font-size: 14px;
  display: block;
}

/* Privacy */
.privacy-box {
  background: linear-gradient(135deg, rgba(22, 25, 34, 0.9), rgba(13, 15, 20, 0.9));
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
  display: flex;
  gap: 40px;
  align-items: center;
}
.privacy-text h2 { font-size: 28px; margin-bottom: 16px; }
.privacy-text p { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }
.privacy-list { display: flex; flex-direction: column; gap: 12px; }
.privacy-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.privacy-list li::before { content: "🛡"; font-size: 16px; }
.privacy-img { flex-shrink: 0; }
.privacy-img img { width: 240px; border-radius: var(--radius-md); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom { display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center; }
.site-footer a { color: var(--text-muted); transition: color 0.3s; }
.site-footer a:hover { color: var(--text-main); }
.time-display { opacity: 0.7; }

/* Responsive */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 100px; }
  .hero-content h1 { font-size: 36px; }
  .hero-features { justify-content: center; }
  .download-group { justify-content: center; }
  .hero-visual img { height: 200px; }
  .ai-drama { grid-template-columns: 1fr; padding: 30px; }
  .privacy-box { flex-direction: column; text-align: center; }
  .privacy-list { align-items: center; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .reviews-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-content h1 { font-size: 28px; }
  .hero-features { flex-direction: column; align-items: center; gap: 10px; }
  .hero-visual { display: flex; overflow-x: auto; padding-bottom: 20px; scroll-snap-type: x mandatory; gap: 16px; }
  .hero-visual img { width: 160px; height: 220px; flex-shrink: 0; scroll-snap-align: start; transform: none !important; }
  .hot-drama-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ai-drama-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 50px 16px; }
  .section-title h2 { font-size: 24px; }
  .privacy-img img { width: 100%; max-width: 200px; }
}