:root {
  --bg: #ffffff;
  --bg-gray: #f7f7f7;
  --text: #111111;
  --text-muted: #666666;
  --accent: #c99566;
  --accent-soft: #f0e1d4;
  --border: #eaeaea;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: 0.5px; }
.brand img { height: 32px; width: auto; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; font-size: 14px; font-weight: 500; color: var(--text-muted); }
.nav-links a:hover { color: var(--text); }
.header-cta {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--text); color: #fff;
  padding: 8px 18px; border-radius: 99px; font-size: 14px; font-weight: 600;
  transition: transform 0.2s;
}
.header-cta:hover { transform: translateY(-1px); }

/* Hero */
.hero {
  padding: 60px 0;
  background: linear-gradient(to bottom, #ffffff, #fafafa);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content h1 {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--accent); }
.hero-desc {
  font-size: 16px; color: var(--text-muted); margin-bottom: 32px; max-width: 480px;
}
.hero-download-group { display: flex; flex-direction: column; gap: 12px; max-width: 400px; }
.btn-download {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-gray); border: 1px solid var(--border);
  padding: 14px 20px; border-radius: var(--radius-md);
  font-weight: 600; font-size: 15px; transition: all 0.2s;
}
.btn-download:hover { background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.05); border-color: #ddd; }
.btn-download.primary { background: var(--text); color: #fff; border-color: var(--text); }
.btn-download.primary:hover { background: #333; }
.btn-download .btn-label { display: flex; align-items: center; gap: 10px; }
.hero-visual {
  position: relative;
  height: 500px;
  border-radius: var(--radius-lg);
  background: var(--bg-gray);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual img {
  height: 90%; width: auto; object-fit: contain; border-radius: var(--radius-sm); box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  transition: transform 0.6s ease;
}
.hero-visual:hover img { transform: translateY(-10px) scale(1.02); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag {
  background: #fff; border: 1px solid var(--border); padding: 4px 12px;
  border-radius: 99px; font-size: 12px; color: var(--text-muted); font-weight: 500;
}

/* Sections General */
section { padding: 80px 0; }
.section-header { margin-bottom: 48px; text-align: center; }
.section-header h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 12px; }
.section-header p { color: var(--text-muted); font-size: 15px; max-width: 600px; margin: 0 auto; }
.bg-gray { background-color: var(--bg-gray); }

/* Editor's Note (Magazine Layout) */
.editor-list { display: flex; flex-direction: column; gap: 60px; }
.editor-item { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: center; }
.editor-item:nth-child(even) { grid-template-columns: 1fr 240px; }
.editor-item:nth-child(even) .editor-poster { order: 2; }
.editor-item:nth-child(even) .editor-text { order: 1; }
.editor-poster { height: 360px; border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 12px 24px rgba(0,0,0,0.08); }
.editor-poster img { width: 100%; height: 100%; object-fit: cover; }
.editor-text { padding: 20px 0; }
.editor-tags { display: flex; gap: 8px; margin-bottom: 16px; }
.editor-tag { font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.editor-title { font-size: 26px; font-weight: 800; margin-bottom: 16px; }
.editor-quote {
  font-size: 16px; line-height: 1.8; color: #444; font-style: italic;
  border-left: 3px solid var(--accent); padding-left: 20px; margin-bottom: 20px;
}
.editor-meta { font-size: 13px; color: var(--text-muted); display: flex; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 16px; }

/* Genre Grid */
.genre-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.genre-card {
  background: rgba(255,255,255,0.6); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.8);
  padding: 32px 24px; border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}
.genre-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(0,0,0,0.08); }
.genre-icon { font-size: 24px; margin-bottom: 16px; }
.genre-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.genre-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Timeline */
.timeline-wrap { position: relative; padding-left: 20px; }
.timeline-line { position: absolute; left: 28px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 40px; margin-bottom: 32px; }
.timeline-dot {
  position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; border: 2px solid var(--border); z-index: 1;
}
.timeline-item.highlight .timeline-dot { border-color: var(--accent); background: var(--accent); animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(201,149,102,0.4); } 70% { box-shadow: 0 0 0 10px rgba(201,149,102,0); } 100% { box-shadow: 0 0 0 0 rgba(201,149,102,0); } }
.timeline-time { font-size: 15px; font-weight: 800; color: var(--accent); margin-bottom: 6px; }
.timeline-content { background: #fff; padding: 16px 20px; border-radius: var(--radius-md); border: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.timeline-content h4 { font-size: 16px; font-weight: 600; }
.timeline-content p { font-size: 13px; color: var(--text-muted); }

/* Ranking */
.ranking-podium { display: flex; justify-content: center; align-items: flex-end; gap: 20px; margin-bottom: 40px; }
.podium-item { text-align: center; }
.podium-poster { width: 120px; height: 170px; border-radius: var(--radius-md); overflow: hidden; margin: 0 auto 12px; position: relative; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.podium-poster img { width: 100%; height: 100%; object-fit: cover; }
.podium-item:nth-child(1) .podium-poster { width: 150px; height: 210px; border: 3px solid #e6c27a; }
.podium-item:nth-child(2) .podium-poster { border: 3px solid #c0c0c0; }
.podium-item:nth-child(3) .podium-poster { border: 3px solid #cd7f32; }
.podium-rank { font-size: 24px; font-weight: 900; color: #ddd; line-height: 1; margin-bottom: 4px; }
.podium-item:nth-child(1) .podium-rank { color: #e6c27a; font-size: 32px; }
.podium-item:nth-child(2) .podium-rank { color: #c0c0c0; font-size: 28px; }
.podium-item:nth-child(3) .podium-rank { color: #cd7f32; }
.podium-title { font-size: 14px; font-weight: 700; }

.ranking-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.rank-row {
  display: flex; align-items: center; background: #fff; border: 1px solid var(--border);
  padding: 16px 24px; border-radius: var(--radius-md); gap: 20px;
}
.rank-row-num { font-size: 16px; font-weight: 800; color: var(--text-muted); width: 24px; }
.rank-row-img { width: 48px; height: 68px; border-radius: 6px; object-fit: cover; }
.rank-row-info { flex: 1; }
.rank-row-info h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.rank-row-data { font-size: 12px; color: var(--text-muted); display: flex; gap: 16px; }

/* AI Lab */
.ai-lab-box {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; display: grid; grid-template-columns: 1fr 1fr;
}
.ai-input-area { padding: 40px; border-right: 1px solid var(--border); background: #fafafa; }
.ai-input-area h3 { font-size: 20px; font-weight: 800; margin-bottom: 16px; }
.ai-input-box { background: #fff; border: 1px solid var(--border); padding: 20px; border-radius: var(--radius-md); font-size: 14px; line-height: 1.8; color: #333; margin-bottom: 24px; }
.ai-tag-list { display: flex; gap: 8px; flex-wrap: wrap; }
.ai-tag { background: var(--accent-soft); color: #8b5a2b; padding: 4px 12px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.ai-output-area { padding: 40px; display: flex; align-items: center; justify-content: center; background: var(--bg-gray); }
.ai-storyboard { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; }
.ai-frame { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 16/9; position: relative; }
.ai-frame img { width: 100%; height: 100%; object-fit: cover; }
.ai-frame span { position: absolute; bottom: 8px; left: 8px; background: rgba(0,0,0,0.5); color: #fff; font-size: 10px; padding: 2px 8px; border-radius: 4px; }

/* Reviews */
.review-wall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px;
}
.review-card {
  background: #fff; border: 1px solid var(--border); padding: 20px;
  border-radius: var(--radius-md); display: flex; gap: 16px;
}
.review-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.review-avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-body { flex: 1; }
.review-name { font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.review-text { font-size: 14px; line-height: 1.6; color: #444; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: #fff; }
.faq-question {
  padding: 20px 24px; font-size: 16px; font-weight: 700; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-question::after { content: '+'; font-size: 20px; font-weight: 400; color: var(--text-muted); }
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer { padding: 0 24px 20px; font-size: 14px; color: var(--text-muted); line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }

/* Installation */
.install-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.step-card { background: #fff; border: 1px solid var(--border); padding: 24px; border-radius: var(--radius-md); }
.step-num { font-size: 18px; font-weight: 800; color: var(--accent); margin-bottom: 12px; }
.step-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

.final-downloads { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #fff; border-top: 1px solid var(--border); padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; margin-bottom: 16px; }
.footer-brand img { height: 32px; border-radius: 6px; }
.footer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 400px; }
.footer-col h4 { font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a { font-size: 14px; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; gap: 12px; }

/* Modal */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: #fff; border-radius: var(--radius-lg); padding: 32px;
  max-width: 400px; width: 100%; text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.modal-box p { font-size: 15px; font-weight: 600; margin-bottom: 20px; line-height: 1.6; }
.copy-input-box {
  display: flex; align-items: center; background: var(--bg-gray);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 4px 4px 4px 16px; margin-bottom: 20px;
}
.copy-input-box input { flex: 1; border: none; background: transparent; font-size: 13px; color: var(--text-muted); outline: none; }
.copy-btn {
  background: var(--text); color: #fff; border: none; padding: 10px 16px;
  border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.copy-btn:hover { background: #333; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 14px; cursor: pointer; text-decoration: underline; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 40px; }
  .genre-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { height: 360px; }
  .hero-content h1 { font-size: 32px; }
  .editor-item, .editor-item:nth-child(even) { grid-template-columns: 1fr; gap: 24px; }
  .editor-item:nth-child(even) .editor-poster { order: 0; }
  .editor-item:nth-child(even) .editor-text { order: 0; }
  .editor-poster { height: 280px; }
  .genre-grid { grid-template-columns: 1fr; }
  .ai-lab-box { grid-template-columns: 1fr; }
  .ai-input-area { border-right: none; border-bottom: 1px solid var(--border); }
  .ranking-podium { flex-wrap: wrap; justify-content: center; }
  .podium-item:nth-child(1) { order: -1; width: 100%; margin-bottom: 20px; }
  .install-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .timeline-content { flex-direction: column; align-items: flex-start; gap: 8px; }
}