:root {
  --bg-dark: #0b0e14;
  --bg-panel: #151a24;
  --bg-card: #1e2433;
  --text-main: #f0f2f5;
  --text-sub: #9aa5b8;
  --accent: #ff4d6d;
  --accent-hover: #ff3355;
  --gradient-1: linear-gradient(135deg, #ff4d6d 0%, #ff7b54 100%);
  --gradient-2: linear-gradient(135deg, #4d7cff 0%, #7b54ff 100%);
  --gradient-3: linear-gradient(120deg, #1e2433 0%, #151a24 100%);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-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; }
.section-title { font-size: 28px; font-weight: 700; margin-bottom: 10px; color: #fff; }
.section-subtitle { color: var(--text-sub); font-size: 15px; margin-bottom: 30px; }
.gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11, 14, 20, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.05); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; }
.brand-logo img { height: 32px; width: auto; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; font-size: 15px; }
.nav-links a { color: var(--text-sub); transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.header-download { display: none; background: var(--gradient-1); padding: 8px 16px; border-radius: 20px; font-size: 14px; font-weight: 600; }

/* Hero */
.hero-section { padding: 60px 0 80px; position: relative; background: radial-gradient(circle at 70% 20%, rgba(255,77,109,0.15) 0%, transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.hero-content { text-align: center; }
.hero-title { font-size: 36px; font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.hero-desc { font-size: 16px; color: var(--text-sub); margin-bottom: 30px; max-width: 500px; margin-left: auto; margin-right: auto; }
.download-group { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.btn-download { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: 30px; font-weight: 700; font-size: 16px; width: 100%; max-width: 280px; transition: transform 0.2s, opacity 0.2s; }
.btn-download:active { transform: scale(0.96); }
.btn-android { background: var(--gradient-2); color: #fff; }
.btn-ios { background: var(--gradient-1); color: #fff; }
.btn-other { background: transparent; border: 1px solid var(--text-sub); color: var(--text-main); }
.btn-download svg { width: 20px; height: 20px; fill: currentColor; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-phone-mockup { width: 280px; border-radius: 32px; border: 6px solid #2a3141; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.5); position: relative; }
.hero-phone-mockup img { width: 100%; height: auto; aspect-ratio: 9/19; }
.hero-phone-mockup::before { content: ''; position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 80px; height: 20px; background: #2a3141; border-radius: 0 0 12px 12px; z-index: 2; }

/* Short Dramas (AI & Hot) */
.section-block { padding: 60px 0; }
.section-bg-alt { background: var(--bg-panel); }
.grid-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.drama-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; transition: transform 0.2s; cursor: pointer; }
.drama-card:hover { transform: translateY(-4px); }
.drama-card-img { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.drama-card-img img { width: 100%; height: 100%; transition: transform 0.3s; }
.drama-card:hover .drama-card-img img { transform: scale(1.05); }
.drama-card-tag { position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; color: #fff; }
.drama-card-tag.gold { color: #ffd700; }
.drama-card-info { padding: 12px; }
.drama-card-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drama-card-desc { font-size: 13px; color: var(--text-sub); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.drama-card-meta { display: flex; justify-content: space-between; font-size: 12px; color: #666; }

/* Install Steps */
.steps-container { display: flex; flex-direction: column; gap: 20px; }
.step-item { display: flex; gap: 16px; background: var(--bg-card); padding: 20px; border-radius: var(--radius-md); border-left: 4px solid var(--accent); }
.step-num { font-size: 24px; font-weight: 800; color: var(--accent); line-height: 1; min-width: 40px; }
.step-content h3 { font-size: 16px; margin-bottom: 6px; color: #fff; }
.step-content p { font-size: 14px; color: var(--text-sub); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; }
.faq-question { padding: 16px 20px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: rgba(255,255,255,0.02); }
.faq-question::after { content: '+'; font-size: 20px; color: var(--text-sub); transition: transform 0.2s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 20px 16px; font-size: 14px; color: var(--text-sub); display: block; }
.faq-item.active .faq-answer { display: block; }

/* Reviews */
.review-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.review-card { background: var(--bg-card); padding: 20px; border-radius: var(--radius-md); position: relative; }
.review-card::before { content: '“'; position: absolute; top: 10px; right: 16px; font-size: 48px; color: rgba(255,255,255,0.05); font-family: serif; line-height: 1; }
.review-stars { color: #ffd700; font-size: 14px; margin-bottom: 8px; }
.review-text { font-size: 14px; color: var(--text-main); margin-bottom: 12px; }
.review-user { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-sub); }
.review-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--gradient-1); display: flex; align-items: center; justify-content: center; font-weight: bold; color: #fff; font-size: 12px; }

/* Privacy */
.privacy-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.privacy-card { background: var(--bg-card); padding: 20px; border-radius: var(--radius-md); display: flex; gap: 16px; }
.privacy-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(77,124,255,0.15); display: flex; align-items: center; justify-content: center; color: #4d7cff; font-size: 20px; flex-shrink: 0; }
.privacy-content h3 { font-size: 16px; margin-bottom: 4px; }
.privacy-content p { font-size: 13px; color: var(--text-sub); }

/* Creator */
.creator-section { text-align: center; background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-panel) 100%); }
.creator-box { max-width: 600px; margin: 0 auto; background: var(--bg-card); padding: 40px 20px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.05); }
.creator-box h2 { margin-bottom: 16px; }
.creator-box p { color: var(--text-sub); margin-bottom: 24px; font-size: 15px; }
.btn-creator { display: inline-block; background: var(--gradient-1); padding: 12px 32px; border-radius: 30px; font-weight: 700; color: #fff; }

/* Community */
.community-flex { display: flex; flex-direction: column; gap: 20px; }
.community-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.community-card h3 { font-size: 18px; display: flex; align-items: center; gap: 8px; }
.community-list { list-style: disc; padding-left: 20px; color: var(--text-sub); font-size: 14px; line-height: 1.8; }
.community-link { color: var(--accent); font-weight: 600; font-size: 14px; display: inline-block; margin-top: 8px; }

/* Footer Download */
.footer-download { background: linear-gradient(135deg, #1a1025 0%, #0b0e14 100%); padding: 60px 0; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-download-inner { text-align: center; }
.footer-download .step-hint { font-size: 13px; color: var(--text-sub); margin-bottom: 24px; }
.footer-download .download-group { flex-direction: column; }
@media (min-width: 768px) {
  .footer-download .download-group { flex-direction: row; justify-content: center; flex-wrap: wrap; }
  .btn-download { width: auto; }
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-grid { grid-template-columns: repeat(2, 1fr); }
  .community-flex { flex-direction: row; }
  .community-card { flex: 1; }
  .hero-title { font-size: 48px; }
  .hero-grid { grid-template-columns: 1fr 1fr; text-align: left; gap: 60px; }
  .hero-content { text-align: left; }
  .download-group { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; }
  .hero-desc { margin-left: 0; }
  .header-download { display: block; }
  .hero-phone-mockup { width: 320px; }
  .steps-container { display: grid; grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-cards { grid-template-columns: repeat(4, 1fr); }
  .nav-links { gap: 32px; }
  .hero-title { font-size: 56px; }
  .hero-phone-mockup { width: 380px; }
  .steps-container { grid-template-columns: repeat(3, 1fr); }
  .hero-section { padding: 80px 0 100px; }
}