/* ZhujiANI - Gaming Portal Styles */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-card-hover: #1f2a42;
  --text-primary: #e8ecf4;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #7c3aed;
  --accent-secondary: #06b6d4;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --accent-cyan-glow: rgba(6, 182, 212, 0.2);
  --border-color: #1e293b;
  --border-accent: #7c3aed;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --max-width: 1200px;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-secondary); text-decoration: none; transition: color 0.2s; }
a:hover { color: #22d3ee; }
a:focus-visible { outline: 2px solid var(--accent-secondary); outline-offset: 2px; border-radius: 3px; }

img { max-width: 100%; height: auto; display: block; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 var(--space-md);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo img { width: 36px; height: 36px; }
.logo span.accent { color: var(--accent-primary); }

.main-nav { display: flex; align-items: center; gap: var(--space-md); }

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.2s;
}

.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text-primary); }

.main-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 1px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero */
.hero {
  position: relative;
  padding: var(--space-xxl) var(--space-md) var(--space-xl);
  max-width: 880px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: var(--space-sm);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.hero .operator-line {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-primary);
  color: #fff;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  background: #6d28d9;
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--accent-secondary);
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--accent-secondary);
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover { background: rgba(6, 182, 212, 0.1); color: #22d3ee; }

/* Section common */
.section {
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-narrow { max-width: 780px; }
.section-wide { max-width: var(--max-width); }

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.5px;
}

.section-title .dot {
  color: var(--accent-primary);
}

/* Observation block - anti-template prose */
.observation-block {
  max-width: 780px;
  margin: var(--space-xl) auto;
  padding: 0 var(--space-md);
}

.observation-block p {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 1rem;
}

/* Game cards - asymmetric grid */
.game-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.game-grid .game-card:first-child {
  grid-column: 1 / -1;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.game-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-primary);
}

.game-card .card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  position: relative;
}

.game-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-card .card-body {
  padding: var(--space-md);
}

.game-card .card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.game-card .card-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.card-tag {
  display: inline-block;
  background: rgba(124, 58, 237, 0.15);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

/* Method / perspective blocks - no cards, no icons */
.method-block {
  max-width: 680px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-md);
}

.method-block p {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.85;
}

/* Feature list - asymmetric */
.feature-list {
  list-style: none;
  max-width: 680px;
  margin: var(--space-md) auto;
  padding: 0 var(--space-md);
}

.feature-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-list li:last-child { border-bottom: none; }

.feature-list li strong {
  color: var(--text-primary);
}

/* Not-doing block */
.not-doing {
  background: rgba(239, 68, 68, 0.06);
  border-left: 3px solid #ef4444;
  padding: var(--space-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  max-width: 680px;
  margin: var(--space-md) auto;
}

.not-doing h4 {
  color: #f87171;
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

.not-doing ul {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.not-doing ul li { padding: 0.2rem 0; }

/* Article cards - asymmetric sizes */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.article-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-secondary);
}

.article-card.featured {
  grid-column: 1 / -1;
}

.article-card .card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
}

.article-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card .card-body {
  padding: var(--space-md);
}

.article-card .card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.article-card .card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.article-card .card-body p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* FAQ */
.faq-section { max-width: 780px; }

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-sm) 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  padding: 0.5rem 0;
  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: 1.3rem;
  color: var(--accent-primary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: 0.5rem 0 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* Blockquote - accent background */
.accent-quote {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(6, 182, 212, 0.05));
  border-left: 3px solid var(--accent-primary);
  padding: var(--space-md) var(--space-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-md) 0;
  max-width: 680px;
}

.accent-quote p {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.8;
}

/* About page */
.about-content {
  max-width: 780px;
  margin: 0 auto;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.85;
}

.about-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--text-primary);
}

/* Contact */
.contact-form {
  max-width: 580px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-main);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.contact-info-block {
  max-width: 580px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.contact-info-block h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.contact-info-block p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

/* Legal pages */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.legal-content h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

.legal-content .last-updated {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--text-primary);
}

.legal-content p, .legal-content ul {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.legal-content ul { padding-left: 1.5rem; }

/* Article page */
.article-page {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.article-page h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.article-page .article-summary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-page h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: var(--space-lg) 0 var(--space-sm);
}

.article-page h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: var(--space-md) 0 0.5rem;
}

.article-page p {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.85;
}

.article-page ul, .article-page ol {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  padding-left: 1.5rem;
  line-height: 1.8;
}

.article-page table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.9rem;
}

.article-page table th,
.article-page table td {
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.article-page table th {
  background: var(--bg-card);
  font-weight: 600;
  color: var(--text-primary);
}

.article-page table td { color: var(--text-secondary); }

.article-page blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  background: rgba(124, 58, 237, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-page blockquote p { color: var(--text-secondary); font-style: italic; }

.article-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.article-hero-img img { width: 100%; height: 100%; object-fit: cover; }

/* Author block */
.author-block {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
}

.author-block .author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-secondary);
  overflow: hidden;
  flex-shrink: 0;
}

.author-block .author-avatar img { width: 100%; height: 100%; object-fit: cover; }

.author-block .author-info h4 { font-size: 0.95rem; font-weight: 600; }
.author-block .author-info p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* References & related */
.references-block {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.references-block h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.references-block ul {
  list-style: none;
  padding-left: 0;
}

.references-block ul li {
  padding: 0.3rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.references-block ul li a { font-size: 0.85rem; }

/* 404 */
.page-404 {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 580px;
  margin: 0 auto;
}

.page-404 h1 {
  font-size: 6rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.page-404 p {
  color: var(--text-secondary);
  margin: var(--space-sm) 0 var(--space-lg);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  max-width: 320px;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0.2rem 0;
}

.footer-links a:hover { color: var(--text-secondary); }

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Game page specific */
.game-detail-hero {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.game-detail-hero .game-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.game-detail-hero .game-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Responsive */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-sm) var(--space-md);
    gap: 0;
  }
  .main-nav.open a { padding: 0.6rem 0; }
  .menu-toggle { display: block; }

  .game-grid { grid-template-columns: 1fr; }
  .game-grid .game-card:first-child { grid-column: auto; }

  .footer-inner { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .hero { padding: var(--space-xl) var(--space-md) var(--space-lg); }
  .hero h1 { font-size: 1.8rem; }

  .articles-grid { grid-template-columns: 1fr; }
  .article-card.featured { grid-column: auto; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .section { padding: var(--space-lg) var(--space-sm); }
  .hero h1 { font-size: 1.6rem; }
}