:root {
  --bg-dark: #12121c;
  --bg-light: #f5f2ec;
  --primary: #ff4d6d;
  --secondary: #2b2d42;
  --text-dark: #2b2d42;
  --text-light: #fff;
  --accent: #ffb703;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; object-fit: cover; }
a { text-decoration: none; }
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 50px;
  background: var(--primary); color: #fff; font-weight: bold; text-align: center;
  border: none; cursor: pointer; transition: transform .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); background: #e03e5c; }
.btn-outline { background: transparent; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); }

/* Header & Hero */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: var(--text-light); padding: 30px 20px; text-align: center;
  position: relative; overflow: hidden;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.brand { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 20px; }
.brand img { height: 36px; border-radius: 8px; }
.brand h1 { font-size: 24px; letter-spacing: 2px; }
.hero-carousel {
  display: flex; justify-content: center; gap: 15px; margin: 20px 0 30px;
  overflow-x: auto; padding-bottom: 10px; scrollbar-width: none;
}
.hero-carousel::-webkit-scrollbar { display: none; }
.hero-carousel img {
  width: 140px; height: 200px; border-radius: var(--radius); flex-shrink: 0;
  transition: transform .3s; box-shadow: 0 8px 16px rgba(0,0,0,0.4);
}
.hero-carousel img:hover { transform: scale(1.05) translateY(-5px); }
.download-group { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 20px; }
.download-group .btn { font-size: 14px; padding: 10px 20px; }

/* Marquee */
.marquee {
  background: linear-gradient(90deg, #ff4d6d, #ffb703); color: #fff;
  padding: 10px 0; white-space: nowrap; overflow: hidden;
  position: relative; z-index: 2; font-weight: bold;
}
.marquee-content { display: inline-block; animation: marquee 20s linear infinite; }
.marquee-content span { margin: 0 20px; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Sections */
.section { padding: 40px 20px; max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 22px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.section-title::before { content: ''; display: block; width: 6px; height: 22px; background: var(--primary); border-radius: 3px; }

/* Today New */
.bg-today { background: #fff0f3; }
.grid-new { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 15px; }
.card-new { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: transform .3s; }
.card-new:hover { transform: translateY(-5px); }
.card-new img { width: 100%; height: 180px; }
.card-info { padding: 10px; }
.card-info h3 { font-size: 14px; margin-bottom: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-info p { font-size: 12px; color: #666; display: flex; justify-content: space-between; }
.card-info .tags { display: flex; gap: 5px; margin-top: 5px; flex-wrap: wrap; }
.card-info .tags span { background: #fff0f3; color: var(--primary); font-size: 10px; padding: 2px 6px; border-radius: 4px; }

/* Interactive & Vertical */
.bg-interactive { background: #e0f7fa; }
.layout-left-right { display: flex; gap: 20px; align-items: stretch; }
.left-img { flex: 1; border-radius: var(--radius); overflow: hidden; }
.left-img img { width: 100%; height: 100%; object-fit: cover; }
.right-text { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.text-list li { list-style: none; background: #fff; padding: 10px 15px; border-radius: 8px; font-size: 14px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.text-list li strong { color: var(--primary); }

/* Timeline */
.bg-timeline { background: #f3e5f5; }
.timeline { position: relative; max-width: 600px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: #ce93d8; }
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-item::before { content: ''; position: absolute; left: -24px; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: #ce93d8; border: 2px solid #fff; }
.timeline-time { font-weight: bold; color: #8e24aa; margin-bottom: 4px; }
.timeline-content { background: #fff; padding: 12px 15px; border-radius: 8px; font-size: 14px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }

/* Fan Club */
.bg-fan { background: #fff8e1; }
.fan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 15px; }
.fan-card { background: #fff; padding: 15px; border-radius: var(--radius); border-left: 4px solid #ffb703; }
.fan-card h3 { font-size: 16px; margin-bottom: 5px; color: #e65100; }
.fan-card p { font-size: 13px; color: #666; }

/* Creator */
.bg-creator { background: #e8f5e9; }
.creator-box { display: flex; gap: 20px; background: #fff; padding: 20px; border-radius: var(--radius); align-items: center; flex-wrap: wrap; }
.creator-box img { flex: 1; max-width: 200px; border-radius: 8px; }
.creator-box .content { flex: 2; }
.creator-box .content h3 { font-size: 18px; margin-bottom: 10px; color: #2e7d32; }
.creator-box .content p { font-size: 14px; color: #555; line-height: 1.6; }

/* Reviews */
.bg-reviews { background: #ede7f6; }
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 15px; }
.review-card { background: #fff; padding: 15px; border-radius: var(--radius); display: flex; gap: 10px; }
.review-card img { width: 40px; height: 40px; border-radius: 50%; object-fit: contain; background: #f0f0f0; }
.review-content h4 { font-size: 14px; margin-bottom: 4px; color: #4527a0; }
.review-content p { font-size: 13px; color: #666; }

/* Privacy & FAQ */
.bg-privacy { background: #fff; }
.privacy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 15px; }
.privacy-card { padding: 15px; background: #f8f9fa; border-radius: var(--radius); border: 1px solid #e9ecef; }
.privacy-card h3 { font-size: 15px; margin-bottom: 5px; color: #1976d2; }
.privacy-card p { font-size: 13px; color: #555; }

.bg-faq { background: #fafafa; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; margin-bottom: 10px; border-radius: 8px; padding: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); cursor: pointer; }
.faq-item summary { font-weight: bold; font-size: 15px; color: var(--secondary); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--primary); }
.faq-item[open] summary::after { content: '-'; }
.faq-item p { font-size: 14px; color: #555; margin-top: 10px; line-height: 1.6; }

/* Footer */
footer { background: #1a1a2e; color: #a0a0b0; padding: 30px 20px 20px; text-align: center; font-size: 12px; }
.footer-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-bottom: 15px; }
.footer-links a { color: #a0a0b0; }
.footer-links a:hover { color: #fff; }

/* Floating Button */
.floating-download {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; padding: 12px 30px; border-radius: 50px;
  box-shadow: 0 4px 15px rgba(255, 77, 109, 0.4); font-weight: bold;
  z-index: 100; display: flex; align-items: center; gap: 8px; border: none; cursor: pointer;
  white-space: nowrap;
}
.floating-download img { height: 24px; border-radius: 4px; }

/* Modal */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6);
  display: none; justify-content: center; align-items: center; z-index: 200; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box { background: #fff; padding: 20px; border-radius: var(--radius); max-width: 400px; width: 100%; text-align: center; }
.modal-box p { font-size: 14px; margin-bottom: 15px; color: #333; }
.modal-box input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 8px; margin-bottom: 15px; font-size: 13px; }
.modal-box .btn { width: 100%; }

/* Mobile Accordion Navigation */
.mobile-nav { display: none; background: #fff; border-bottom: 1px solid #eee; padding: 10px 20px; }
.mobile-nav-btn { width: 100%; text-align: left; font-size: 16px; font-weight: bold; background: none; border: none; color: var(--text-dark); display: flex; justify-content: space-between; }
.mobile-nav-content { display: none; flex-direction: column; gap: 10px; margin-top: 10px; padding-left: 10px; }
.mobile-nav-content a { color: var(--text-dark); font-size: 14px; }

/* Responsive */
@media (max-width: 768px) {
  .layout-left-right { flex-direction: column; }
  .left-img { height: 200px; }
  .creator-box { flex-direction: column; text-align: center; }
  .creator-box img { max-width: 100%; }
  .hero-carousel img { width: 110px; height: 160px; }
  .mobile-nav { display: block; }
  .desktop-nav { display: none; }
  .floating-download { bottom: 15px; padding: 10px 20px; font-size: 14px; }
  .section { padding: 30px 15px; }
}
@media (max-width: 480px) {
  .brand h1 { font-size: 20px; }
  .hero { padding: 20px 15px; }
  .grid-new { grid-template-columns: repeat(2, 1fr); }
  .card-new img { height: 140px; }
}