:root {
  --bg-dark: #0f1115;
  --bg-card: #1a1d24;
  --bg-card-hover: #222730;
  --primary: #ff3b5c;
  --primary-hover: #ff5273;
  --text-main: #f0f2f5;
  --text-muted: #9aa3af;
  --border: #2d333d;
  --radius: 16px;
  --transition: all 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-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 30px; font-size: 16px; font-weight: 600;
  cursor: pointer; transition: var(--transition); border: none; text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 15px rgba(255, 59, 92, 0.3); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 59, 92, 0.5); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-main); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* Header */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15, 17, 21, 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo-area { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.logo-area img { height: 32px; width: auto; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; font-size: 15px; color: var(--text-muted); }
.nav-links a:hover { color: var(--text-main); }
.nav-download { display: none; }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-main); font-size: 24px; cursor: pointer; }

/* Hero */
.hero {
  padding: 80px 0 60px; position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(255,59,92,0.15) 0%, transparent 60%);
}
.hero-content { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; }
.hero h1 { font-size: 42px; line-height: 1.2; font-weight: 800; letter-spacing: -0.5px; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 700px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 10px; }
.hero-buttons .btn { padding: 14px 32px; font-size: 16px; }
.hero-buttons svg { width: 20px; height: 20px; fill: currentColor; }
.hero-image-wall {
  margin-top: 50px; display: flex; gap: 16px; justify-content: center;
  overflow-x: auto; padding-bottom: 20px; scrollbar-width: none;
}
.hero-image-wall::-webkit-scrollbar { display: none; }
.hero-image-wall img {
  height: 280px; width: auto; border-radius: 12px; object-fit: cover;
  border: 1px solid var(--border); transition: var(--transition);
}
.hero-image-wall img:hover { transform: scale(1.05) translateY(-5px); border-color: var(--primary); }

/* Section Common */
section { padding: 80px 0; border-bottom: 1px solid var(--border); }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.section-header p { color: var(--text-muted); font-size: 16px; max-width: 600px; margin: 0 auto; }

/* AI Short Drama */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ai-card {
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition);
}
.ai-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.ai-card-img { height: 220px; overflow: hidden; position: relative; }
.ai-card-img img { width: 100%; height: 100%; object-fit: cover; }
.ai-tag {
  position: absolute; top: 12px; left: 12px; background: var(--primary);
  color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 20px; font-weight: 600;
}
.ai-card-body { padding: 20px; }
.ai-card-body h3 { font-size: 18px; margin-bottom: 8px; }
.ai-card-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ai-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* Hot Short Drama */
.hot-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.hot-item { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 3/4; background: var(--bg-card); }
.hot-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.hot-item:hover img { transform: scale(1.08); }
.hot-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
  padding: 20px 12px 12px; display: flex; flex-direction: column; gap: 4px;
}
.hot-title { font-size: 14px; font-weight: 600; }
.hot-tags { font-size: 12px; color: var(--primary); }

/* Install Steps */
.steps-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  background: var(--bg-card); padding: 32px 24px; border-radius: var(--radius);
  border: 1px solid var(--border); position: relative; overflow: hidden;
  transition: var(--transition);
}
.step-card:hover { border-color: var(--primary); }
.step-num {
  font-size: 64px; font-weight: 800; color: rgba(255, 59, 92, 0.1);
  position: absolute; top: 10px; right: 20px; line-height: 1;
}
.step-card h3 { font-size: 20px; margin-bottom: 12px; position: relative; z-index: 1; }
.step-card p { color: var(--text-muted); font-size: 15px; position: relative; z-index: 1; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border); overflow: hidden; }
.faq-question {
  padding: 20px 24px; display: flex; justify-content: space-between; align-items: center;
  font-size: 16px; font-weight: 600; cursor: pointer; background: none; border: none;
  width: 100%; text-align: left; color: var(--text-main);
}
.faq-question::after { content: '+'; font-size: 20px; color: var(--primary); transition: transform 0.3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; color: var(--text-muted); font-size: 15px; }
.faq-item.active .faq-answer { padding: 0 24px 20px; max-height: 200px; }

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.review-card { background: var(--bg-card); padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.review-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--border); display: flex; align-items: center; justify-content: center; font-weight: bold; color: var(--primary); }
.review-name { font-weight: 600; font-size: 15px; }
.review-stars { color: #ffb800; font-size: 14px; letter-spacing: 2px; }
.review-text { font-size: 15px; color: var(--text-muted); font-style: italic; }

/* Privacy */
.privacy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.privacy-item { display: flex; gap: 16px; background: var(--bg-card); padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); }
.privacy-icon { width: 48px; height: 48px; background: rgba(255,59,92,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 24px; flex-shrink: 0; }
.privacy-content h3 { font-size: 18px; margin-bottom: 8px; }
.privacy-content p { font-size: 14px; color: var(--text-muted); }

/* Creator */
.creator-box {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a1520 100%);
  border-radius: var(--radius); border: 1px solid var(--border); padding: 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.creator-text { flex: 1; }
.creator-text h2 { font-size: 28px; margin-bottom: 16px; }
.creator-text p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }
.creator-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 32px; }
.creator-features li { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.creator-features li::before { content: '✓'; color: var(--primary); font-weight: bold; }
.creator-img { width: 300px; flex-shrink: 0; border-radius: 12px; overflow: hidden; }
.creator-img img { width: 100%; height: auto; }

/* Community */
.community-links { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.community-btn { display: flex; align-items: center; gap: 10px; padding: 16px 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; font-size: 16px; font-weight: 600; transition: var(--transition); }
.community-btn:hover { border-color: var(--primary); transform: translateY(-3px); }

/* Bottom Download */
.download-area { text-align: center; padding: 80px 0; background: radial-gradient(circle at 50% 100%, rgba(255,59,92,0.1) 0%, transparent 70%); }
.download-area h2 { font-size: 32px; margin-bottom: 16px; }
.download-area p { color: var(--text-muted); margin-bottom: 32px; font-size: 16px; }
.download-area .hero-buttons { justify-content: center; }
.download-tips { margin-top: 40px; display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
.download-tips span { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); }

/* Footer */
footer { padding: 40px 0 30px; background: var(--bg-dark); border-top: 1px solid var(--border); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-links { display: flex; gap: 24px; font-size: 14px; color: var(--text-muted); }
.footer-links a:hover { color: var(--text-main); }
.footer-copy { font-size: 14px; color: var(--text-muted); width: 100%; text-align: center; margin-top: 20px; border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.time-info { font-size: 12px; color: #555; }

@media (max-width: 1024px) {
  .hero h1 { font-size: 36px; }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .creator-box { flex-direction: column; text-align: center; padding: 32px; }
  .creator-img { width: 100%; max-width: 400px; }
  .creator-features { justify-items: center; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .nav-download { display: block; }
  .nav-download .btn { padding: 8px 16px; font-size: 14px; }
  .hero { padding: 60px 0 40px; }
  .hero h1 { font-size: 28px; }
  .hero-buttons { flex-direction: column; width: 100%; max-width: 300px; }
  .hero-buttons .btn { width: 100%; }
  .hero-image-wall img { height: 200px; }
  .ai-grid { grid-template-columns: 1fr; }
  .steps-container { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .creator-features { grid-template-columns: 1fr; text-align: left; }
  .hot-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-copy { flex-direction: column; text-align: center; }
}