:root {
  --bg-main: #0a0b10;
  --bg-gradient: linear-gradient(135deg, #0a0b10 0%, #1a1225 50%, #0a0b10 100%);
  --accent: #ff3366;
  --accent-hover: #ff5c8a;
  --accent-blue: #3b82f6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(12px);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --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: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(10, 11, 16, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 1000;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  padding: 0 5%;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}
.brand-logo img {
  height: 32px;
  width: auto;
  border-radius: 6px;
}
.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}
.nav-links a { transition: var(--transition); color: var(--text-muted); }
.nav-links a:hover { color: var(--accent); }
.header-download {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.header-download:hover { background: var(--accent-hover); transform: scale(1.05); }

/* Main Container */
.main-content {
  padding-top: 64px;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 100px 5% 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg-glow {
  position: absolute;
  top: 20%; left: 50%;
  transform: translateX(-50%);
  width: 80vw; height: 80vw;
  max-width: 800px; max-height: 800px;
  background: radial-gradient(circle, rgba(255,51,102,0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}
.hero-title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(to right, #fff, #ffb3c6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(255,51,102,0.3);
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}
.hero-tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-tags span {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent);
}
.download-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 50px;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}
.btn-android {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-ios {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-other {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}
.btn-download:hover {
  transform: translateY(-3px);
  filter: brightness(1.1);
}

/* Section Common */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 5%;
}
.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-header h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 15px;
}

/* Grid Layouts */
.poster-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.poster-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.poster-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(255,51,102,0.15);
}
.poster-img-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.poster-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.poster-card:hover .poster-img-wrap img {
  transform: scale(1.05);
}
.poster-info {
  padding: 16px;
}
.poster-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.poster-info .meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.poster-info .tag {
  background: rgba(255,51,102,0.1);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
}
.poster-info .desc {
  font-size: 13px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Ranking Section */
.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.rank-item {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  transition: var(--transition);
}
.rank-item:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(10px);
}
.rank-num {
  font-size: 24px;
  font-weight: 900;
  color: var(--accent);
  width: 50px;
  font-style: italic;
}
.rank-item img {
  width: 60px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-right: 20px;
}
.rank-info { flex: 1; }
.rank-info h3 { font-size: 18px; margin-bottom: 4px; }
.rank-info .meta { font-size: 13px; color: var(--text-muted); }
.rank-score {
  font-size: 20px;
  font-weight: 800;
  color: #f59e0b;
}

/* Feature/Safety Section */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 30px;
  border-radius: var(--radius-lg);
  display: flex;
  gap: 20px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,51,102,0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  flex-shrink: 0;
}
.feature-text h3 { margin-bottom: 8px; font-size: 18px; }
.feature-text p { color: var(--text-muted); font-size: 14px; }

/* FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--card-border);
}
.faq-item h3 { font-size: 16px; margin-bottom: 10px; color: #fff; }
.faq-item p { font-size: 14px; color: var(--text-muted); }

/* Download Guide Section */
.guide-section {
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  border: 1px solid var(--card-border);
}
.guide-steps {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.step-item {
  flex: 1;
  min-width: 200px;
}
.step-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 10px;
}
.step-item h3 { margin-bottom: 8px; }
.step-item p { color: var(--text-muted); font-size: 14px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 40px 5%;
  text-align: center;
  font-size: 13px;
  color: #6b7280;
}
.site-footer a { color: #6b7280; transition: var(--transition); }
.site-footer a:hover { color: var(--text-main); }
.footer-content { max-width: 1200px; margin: 0 auto; }

/* Responsive */
@media (max-width: 1024px) {
  .poster-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-title { font-size: 36px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .poster-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 16px; }
  .btn-download { width: 100%; justify-content: center; }
  .download-group { flex-direction: column; width: 100%; max-width: 300px; }
  .rank-item { padding: 12px; }
  .rank-num { font-size: 20px; width: 30px; }
  .rank-item img { width: 45px; height: 60px; margin-right: 12px; }
  .rank-info h3 { font-size: 15px; }
  .rank-score { font-size: 16px; }
  .guide-steps { flex-direction: column; gap: 30px; }
}