:root {
  --bg: #0e0a14;
  --surface: #1d1530;
  --accent: #ff6b9d;
  --accent2: #4dd0ff;
  --text: #f5f0ff;
  --muted: #a795c2;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --container-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(rgba(29, 21, 48, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 21, 48, 0.3) 1px, transparent 1px);
  background-size: 30px 30px;
  background-position: top center;
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

a { color: var(--accent2); text-decoration: none; transition: all 0.3s ease; }
a:hover { color: var(--accent); text-shadow: 0 0 8px rgba(255, 107, 157, 0.6); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; margin-bottom: var(--spacing-md); }
p { margin-bottom: var(--spacing-md); color: var(--text); }
p:last-child { margin-bottom: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 0.9rem; letter-spacing: 1px;
  border: 2px solid transparent; border-radius: 4px;
  cursor: pointer; transition: all 0.3s ease;
  min-height: 44px;
}
.btn-primary {
  background-color: var(--accent); color: var(--bg);
  box-shadow: 0 0 10px rgba(255, 107, 157, 0.4);
}
.btn-primary:hover {
  background-color: transparent; color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.8), inset 0 0 10px rgba(255, 107, 157, 0.4);
}
.btn-secondary {
  background-color: transparent; color: var(--accent2);
  border-color: var(--accent2);
}
.btn-secondary:hover {
  background-color: var(--accent2); color: var(--bg);
  box-shadow: 0 0 15px rgba(77, 208, 255, 0.6);
}
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }

/* Header (Fixed Match) */
.header { background-color: rgba(14, 10, 20, 0.95); border-bottom: 2px solid var(--surface); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(5px); }
.header .container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.brand { font-family: var(--font-display); font-size: 1.5rem; font-weight: 900; color: var(--text); text-transform: uppercase; letter-spacing: 2px; }
.brand span { color: var(--accent); }
.nav { display: flex; align-items: center; }
.nav-links { display: none; }
.nav-links a { color: var(--text); font-weight: 500; font-family: var(--font-display); font-size: 0.85rem; text-transform: uppercase; margin: 0 var(--spacing-sm); }
.nav-links a:hover { color: var(--accent2); }
.header-ctas { display: flex; gap: var(--spacing-sm); margin-left: var(--spacing-md); }
.menu-toggle { background: none; border: none; color: var(--accent2); font-size: 1.8rem; cursor: pointer; display: block; min-width: 44px; min-height: 44px; }

/* Hero Banner */
.hero-banner {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 2px solid var(--surface);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-banner::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent2), transparent);
  opacity: 0.5;
}
.breadcrumb {
  font-family: var(--font-display); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px;
  color: var(--muted); margin-bottom: var(--spacing-lg);
  display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.breadcrumb a { color: var(--accent2); }
.breadcrumb .sep { color: var(--accent); }
.hero-banner h1 {
  font-size: 2rem; color: var(--text);
  text-shadow: 2px 2px 0px var(--bg), 0 0 15px rgba(255, 107, 157, 0.5);
  margin-bottom: var(--spacing-md);
}
.meta-chips { display: flex; justify-content: center; gap: var(--spacing-md); flex-wrap: wrap; }
.chip {
  background-color: var(--surface); color: var(--accent2);
  padding: 0.3rem 0.8rem; border-radius: 2px;
  font-family: var(--font-display); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px;
  border: 1px solid rgba(77, 208, 255, 0.3);
}

/* Main Content Area */
.main-content { padding: var(--spacing-xl) var(--spacing-md); }

/* Intro Block */
.intro-block {
  background: linear-gradient(135deg, var(--surface), rgba(29, 21, 48, 0.4));
  border-left: 4px solid var(--accent);
  padding: var(--spacing-lg); margin-bottom: var(--spacing-xl);
  font-size: 1.1rem; color: #e2d9f3;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  position: relative;
}
.intro-block::after {
  content: ''; position: absolute; bottom: 0; right: 0; width: 20px; height: 20px;
  background: var(--accent); clip-path: polygon(100% 0, 0% 100%, 100% 100%);
}

/* Content Sections */
.content-section {
  display: grid; grid-template-columns: 1fr; gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl); padding-bottom: var(--spacing-lg);
  border-bottom: 1px dashed var(--surface);
}
.content-section:last-of-type { border-bottom: none; }
.section-badge {
  font-family: var(--font-display); font-size: 3rem; font-weight: 900;
  color: transparent; -webkit-text-stroke: 2px var(--surface);
  line-height: 1; align-self: start;
}
.section-body h2 { font-size: 1.5rem; color: var(--accent2); margin-bottom: var(--spacing-md); }
.retro-list { list-style: none; margin: var(--spacing-md) 0; padding-left: 0; }
.retro-list li {
  position: relative; padding-left: 1.5rem; margin-bottom: 0.75rem; color: var(--muted);
}
.retro-list li::before {
  content: ''; position: absolute; left: 0; top: 0.4rem; width: 8px; height: 8px;
  background-color: var(--accent); box-shadow: 2px 2px 0 rgba(0,0,0,0.5);
}

/* FAQ Section */
.faq-section { margin: var(--spacing-xl) 0; }
.faq-section h2 { text-align: center; color: var(--text); margin-bottom: var(--spacing-lg); font-size: 1.8rem; }
.faq-grid { display: flex; flex-direction: column; gap: var(--spacing-md); }
details {
  background-color: var(--surface); border: 1px solid rgba(167, 149, 194, 0.2);
  border-radius: 4px; overflow: hidden; transition: all 0.3s ease;
}
details[open] { border-color: var(--accent2); box-shadow: 0 0 15px rgba(77, 208, 255, 0.1); }
summary {
  padding: 1.2rem; font-family: var(--font-display); font-weight: 600; color: var(--text);
  cursor: pointer; list-style: none; position: relative; padding-right: 3rem;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+'; position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.5rem; font-weight: 400; transition: transform 0.3s;
}
details[open] summary::after { content: '-'; color: var(--accent2); }
.details-content { padding: 0 1.2rem 1.2rem; color: var(--muted); border-top: 1px solid rgba(0,0,0,0.2); margin-top: 0.5rem; padding-top: 1rem; }

/* Related Links Nav */
.related-links {
  margin: var(--spacing-xl) 0; padding: var(--spacing-lg);
  background-color: rgba(29, 21, 48, 0.5); border: 2px solid var(--surface);
  border-radius: 8px; text-align: center;
}
.related-links h3 { color: var(--muted); font-size: 1.2rem; margin-bottom: var(--spacing-lg); text-transform: uppercase; letter-spacing: 2px; }
.links-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--spacing-md); }
.link-card {
  display: inline-block; padding: 0.8rem 1.2rem;
  background-color: var(--bg); border: 1px solid var(--surface);
  color: var(--text); font-family: var(--font-display); font-size: 0.85rem; text-transform: uppercase;
  border-radius: 4px; transition: all 0.3s ease;
}
.link-card:hover {
  background-color: var(--surface); border-color: var(--accent2);
  color: var(--accent2); transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

/* CTA Block */
.cta-block {
  margin-top: var(--spacing-xl); padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(45deg, var(--surface) 0%, #2a1f45 100%);
  border: 2px solid var(--accent); border-radius: 8px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-block::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 107, 157, 0.03) 10px, rgba(255, 107, 157, 0.03) 20px);
  z-index: 0; pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-block h2 { font-size: 2.2rem; color: var(--text); text-shadow: 0 0 10px rgba(255, 255, 255, 0.2); }
.cta-block p { color: #e2d9f3; font-size: 1.1rem; margin-bottom: var(--spacing-lg); max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: var(--spacing-md); flex-wrap: wrap; }

/* Footer (Fixed Match) */
.testimoni-author {
  text-align: center; padding: var(--spacing-lg);
  background-color: var(--surface); color: var(--text);
  font-family: var(--font-body); font-style: italic;
  border-top: 1px solid rgba(167, 149, 194, 0.2);
}
.testimoni-author span { color: var(--muted); font-style: normal; font-size: 0.9rem; }

/* Responsive */
@media (max-width: 767px) {
  .nav-links {
    display: none; position: absolute; top: 70px; left: 0; right: 0;
    background-color: var(--surface); padding: var(--spacing-md);
    flex-direction: column; border-bottom: 2px solid var(--accent);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  }
  .nav-links.active { display: flex; }
  .nav-links a { margin: var(--spacing-sm) 0; padding: var(--spacing-sm) 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .header-ctas { margin-left: 0; margin-top: var(--spacing-md); flex-direction: column; width: 100%; }
  .header-ctas .btn { width: 100%; margin-bottom: var(--spacing-sm); }
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
  .nav-links { display: flex; align-items: center; }
  .hero-banner h1 { font-size: 2.8rem; }
  .content-section { grid-template-columns: 80px 1fr; gap: var(--spacing-lg); }
  .section-badge { text-align: right; }
  .content-section.alternate { grid-template-columns: 1fr 80px; text-align: right; }
  .content-section.alternate .section-badge { order: 2; text-align: left; }
  .content-section.alternate .retro-list { direction: rtl; }
  .content-section.alternate .retro-list li { padding-left: 0; padding-right: 1.5rem; }
  .content-section.alternate .retro-list li::before { left: auto; right: 0; box-shadow: -2px 2px 0 rgba(0,0,0,0.5); }
}

@media (min-width: 1024px) {
  .hero-banner { padding: var(--spacing-xl) 0 5rem; }
  .hero-banner h1 { font-size: 3.5rem; }
  .content-section { grid-template-columns: 120px 1fr; gap: var(--spacing-xl); }
  .content-section.alternate { grid-template-columns: 1fr 120px; }
  .section-badge { font-size: 4.5rem; }
  .cta-block { padding: 4rem; }
  .cta-block h2 { font-size: 2.8rem; }
}


/* pipeline image & layout guards */
html, body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
img.site-logo { height: 40px; width: auto; max-width: 240px; object-fit: contain; flex: none; }
header .logo a { display: inline-flex; align-items: center; flex: none; text-decoration: none; }
img.hero-visual { width: 100%; max-width: 560px; height: auto; object-fit: cover; border-radius: 16px; display: block; margin-inline: auto; }
img[class^="strip-"], img[class*=" strip-"] { width: 100%; height: auto; display: block; border-radius: 12px; object-fit: cover; }
/* 合规声明块（zb-disclaimer，全站 footer） */
.zb-disclaimer { margin-top: 18px !important; padding: 14px 0 0 0 !important; border-top: 1px solid rgba(128,128,128,.25) !important; font-size: .72rem !important; line-height: 1.7 !important; opacity: .85 !important; display: block !important; text-align: left !important; width: 100% !important; clear: both !important; }
.zb-disclaimer .zb-18 { display: inline-block !important; padding: 2px 10px !important; border: 1.5px solid currentColor !important; border-radius: 6px !important; font-weight: 800 !important; letter-spacing: 1px !important; margin: 0 0 10px 0 !important; font-size: .78rem !important; }
.zb-disclaimer p { display: block !important; margin: 5px 0 !important; padding: 0 !important; color: inherit !important; font-size: .72rem !important; line-height: 1.7 !important; }
.zb-disclaimer p:last-child { margin-bottom: 0 !important; }