:root {
    --bg: #0e0a14;
    --surface: #1d1530;
    --accent: #ff6b9d;
    --accent2: #4dd0ff;
    --text: #f5f0ff;
    --muted: #a795c2;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Exo 2', sans-serif;
  }

  /* Reset & Base */
  * { 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;
    background-image: radial-gradient(var(--surface) 1px, transparent 1px);
    background-size: 20px 20px;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--accent2); text-decoration: none; transition: 0.3s ease; }
  a:hover { color: var(--accent); text-shadow: 0 0 8px rgba(255,107,157,0.5); }

  /* Typography */
  h1, h2, h3, .brand { font-family: var(--font-display); letter-spacing: 1px; }
  h1 { font-size: 2rem; color: var(--text); text-transform: uppercase; text-shadow: 2px 2px 0px var(--accent), -2px -2px 0px var(--accent2); margin-bottom: 1rem; line-height: 1.2; }
  h2 { font-size: 1.5rem; color: var(--accent2); margin: 2.5rem 0 1rem; display: flex; align-items: center; gap: 10px; }
  h2::before { content: ''; display: block; width: 12px; height: 12px; background: var(--accent); box-shadow: 4px 4px 0 var(--surface); }
  h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
  p { margin-bottom: 1.2rem; color: var(--muted); }
  strong { color: var(--text); }

  /* Layout */
  .container { max-width: 1024px; margin: 0 auto; padding: 0 20px; }

  /* Header (Verbatim Support) */
  .header { background: 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-size: 1.5rem; font-weight: 900; color: var(--text); text-transform: uppercase; }
  .brand span { color: var(--accent); }
  .nav-links { display: flex; gap: 20px; align-items: center; }
  .nav-links a { color: var(--text); font-size: 0.9rem; font-weight: 500; text-transform: uppercase; font-family: var(--font-display); }
  .nav-links a:hover { color: var(--accent2); }
  .header-ctas { display: flex; gap: 10px; margin-left: 20px; }
  .menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

  /* Buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 0.9rem; border-radius: 4px; cursor: pointer; transition: all 0.3s; min-height: 44px; }
  .btn-primary { background: var(--accent); color: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 10px rgba(255,107,157,0.3); }
  .btn-primary:hover { background: transparent; color: var(--accent); box-shadow: 0 0 20px rgba(255,107,157,0.6); }
  .btn-secondary { background: transparent; color: var(--accent2); border: 2px solid var(--accent2); }
  .btn-secondary:hover { background: var(--accent2); color: var(--bg); box-shadow: 0 0 15px rgba(77,208,255,0.5); }

  /* Hero Banner */
  .hero { padding: 4rem 0 3rem; background: linear-gradient(180deg, rgba(29,21,48,0.8) 0%, rgba(14,10,20,1) 100%); border-bottom: 1px dashed var(--surface); text-align: center; position: relative; overflow: hidden; }
  .hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
  .breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.5rem; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1px; }
  .breadcrumb span { color: var(--accent2); }
  .meta-chips { display: flex; justify-content: center; gap: 15px; margin-top: 1.5rem; flex-wrap: wrap; }
  .chip { background: var(--surface); border: 1px solid rgba(77,208,255,0.3); padding: 5px 12px; border-radius: 20px; font-size: 0.8rem; font-family: var(--font-display); color: var(--accent2); display: flex; align-items: center; gap: 5px; }

  /* Article Content */
  .article-content { padding: 3rem 0; }
  .intro-block { background: var(--surface); padding: 2rem; border-left: 4px solid var(--accent); border-right: 4px solid var(--accent2); margin-bottom: 3rem; font-size: 1.1rem; color: var(--text); position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
  .intro-block::after { content: '""'; position: absolute; top: -10px; left: 20px; font-family: var(--font-display); font-size: 4rem; color: rgba(255,107,157,0.2); line-height: 1; }

  /* Custom Section Styling */
  .content-section { margin-bottom: 3rem; }
  .highlight-box { background: rgba(77,208,255,0.05); border: 1px solid rgba(77,208,255,0.2); padding: 1.5rem; border-radius: 8px; margin-top: 1.5rem; }

  /* Symbol Grid */
  .symbol-list { list-style: none; display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1.5rem; }
  .symbol-list li { background: var(--surface); padding: 1.5rem; border-top: 3px solid var(--accent); position: relative; padding-left: 3rem; transition: transform 0.3s ease; }
  .symbol-list li:hover { transform: translateY(-3px); border-color: var(--accent2); }
  .symbol-list li::before { content: '✦'; position: absolute; left: 1rem; top: 1.4rem; color: var(--accent); font-size: 1.2rem; }
  .symbol-list li strong { display: block; color: var(--accent2); font-family: var(--font-display); margin-bottom: 0.5rem; font-size: 1.1rem; }

  /* Tip Box */
  .tip-box { background: linear-gradient(45deg, var(--surface), #150f24); border: 2px dashed var(--accent); padding: 2rem; text-align: center; margin: 2rem 0; position: relative; }
  .tip-box h2 { justify-content: center; margin-top: 0; color: var(--accent); }
  .tip-box h2::before { display: none; }
  .tip-box p:last-child { margin-bottom: 0; }

  /* FAQ */
  .faq-container { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
  details { background: var(--surface); border: 1px solid rgba(167,149,194,0.2); transition: all 0.3s; }
  details[open] { border-color: var(--accent2); box-shadow: 0 0 15px rgba(77,208,255,0.1); }
  summary { padding: 1.2rem 1.5rem; font-family: var(--font-display); color: var(--text); font-weight: 500; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 44px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: '+'; color: var(--accent); font-size: 1.5rem; font-weight: bold; transition: transform 0.3s; }
  details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
  details p { padding: 0 1.5rem 1.5rem; margin: 0; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 1rem; }

  /* Related Pages */
  .related-nav { background: var(--surface); padding: 2rem; margin: 4rem 0; border-radius: 8px; border-bottom: 4px solid var(--accent); }
  .related-nav h3 { color: var(--accent2); text-align: center; margin-bottom: 1.5rem; text-transform: uppercase; }
  .related-links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
  .related-links a { background: var(--bg); border: 1px solid rgba(167,149,194,0.3); padding: 8px 16px; border-radius: 4px; font-size: 0.9rem; color: var(--muted); display: inline-flex; align-items: center; min-height: 44px; }
  .related-links a::before { content: '►'; font-size: 0.6rem; margin-right: 8px; color: var(--accent); }
  .related-links a:hover { border-color: var(--accent); color: var(--text); background: rgba(255,107,157,0.1); }

  /* Grand CTA */
  .grand-cta { text-align: center; padding: 4rem 2rem; background: linear-gradient(135deg, rgba(255,107,157,0.1) 0%, rgba(77,208,255,0.1) 100%), var(--surface); border: 1px solid rgba(255,255,255,0.1); margin-bottom: 4rem; position: relative; overflow: hidden; }
  /* IMG:arcade-strip */
  .grand-cta h3 { font-size: 2rem; color: var(--text); margin-bottom: 1rem; text-shadow: 0 0 10px rgba(255,255,255,0.3); }
  .grand-cta p { color: var(--muted); margin-bottom: 2rem; font-size: 1.1rem; max-width: 600px; margin-left: auto; margin-right: auto; }
  .cta-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

  /* Footer (Verbatim Support) */
  .testimoni-author { background: var(--bg); border-top: 1px solid var(--surface); padding: 20px; text-align: center; color: var(--text); font-family: var(--font-display); font-size: 0.9rem; }
  .testimoni-author span { color: var(--muted); font-family: var(--font-body); }

  /* Responsive */
  @media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--surface); padding: 20px; border-bottom: 2px solid var(--accent); box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
    .nav-links.active { display: flex; }
    .header-ctas { margin-left: 0; width: 100%; flex-direction: column; margin-top: 10px; }
    .menu-toggle { display: block; }
    h1 { font-size: 1.5rem; }
    .hero { padding: 3rem 0 2rem; }
    .intro-block { padding: 1.5rem; font-size: 1rem; }
    .symbol-list li { padding-left: 1.5rem; }
    .symbol-list li::before { display: none; }
    .grand-cta { padding: 3rem 1.5rem; }
  }
  @media (min-width: 769px) {
    .symbol-list { grid-template-columns: repeat(2, 1fr); }
  }


/* 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; }