:root {
    --bg: #100a14;
    --surface: #201228;
    --surface-light: #2a1835;
    --accent: #ffd700;
    --accent-hover: #ffea75;
    --accent2: #c084fc;
    --text: #fdf5ff;
    --muted: #b0a2b8;
    --font-display: 'Anton', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --glow-gold: 0 0 20px rgba(255, 215, 0, 0.15);
    --glow-purple: 0 0 30px rgba(192, 132, 252, 0.15);
  }

  * { 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;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  a { color: var(--accent); text-decoration: none; transition: all 0.3s ease; }
  a:hover { color: var(--accent-hover); }

  h1, h2, h3, .font-display { font-family: var(--font-display); font-weight: normal; letter-spacing: 0.05em; text-transform: uppercase; }

  .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

  /* HEADER STYLES (Matching provided HTML structure) */
  header {
    background-color: rgba(16, 10, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    position: sticky; top: 0; z-index: 100;
    padding: 15px 0;
  }
  .header-inner { display: flex; justify-content: space-between; align-items: center; }
  .logo-area { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 24px; color: var(--accent); text-transform: uppercase; }
  .nav-links { display: flex; gap: 20px; }
  .nav-links a { color: var(--text); font-weight: 500; font-size: 15px; text-transform: uppercase; letter-spacing: 0.05em; }
  .nav-links a:hover { color: var(--accent); }
  .mobile-toggle { display: none; background: none; border: none; color: var(--accent); font-size: 24px; cursor: pointer; }

  /* HERO SECTION */
  .hero {
    position: relative;
    padding: 60px 0 40px;
    background: radial-gradient(circle at 50% 0%, rgba(192, 132, 252, 0.15) 0%, transparent 60%);
    text-align: center;
  }
  .breadcrumb {
    font-size: 14px; color: var(--muted); margin-bottom: 20px;
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--surface); padding: 6px 16px; border-radius: 20px;
    border: 1px solid rgba(192, 132, 252, 0.2);
  }
  .hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    color: var(--text);
    margin-bottom: 20px;
    text-shadow: 0 4px 12px rgba(0,0,0,0.5);
    line-height: 1.1;
  }
  .hero h1::after {
    content: ''; display: block; width: 60px; height: 4px;
    background: var(--accent); margin: 20px auto 0; border-radius: 2px;
    box-shadow: var(--glow-gold);
  }
  .meta-chips {
    display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 24px;
  }
  .chip {
    font-size: 13px; font-weight: 600; color: var(--bg);
    background: var(--accent2); padding: 4px 12px; border-radius: 4px;
    text-transform: uppercase; letter-spacing: 0.05em;
  }
  .chip.time { background: var(--surface-light); color: var(--muted); border: 1px solid var(--muted); }

  /* INTRO SECTION */
  .intro-section { padding: 40px 0; }
  .intro-box {
    background: linear-gradient(145deg, var(--surface), var(--bg));
    border-left: 4px solid var(--accent);
    padding: 40px;
    border-radius: 0 12px 12px 0;
    position: relative;
    box-shadow: var(--glow-gold);
  }
  .intro-box::before {
    content: '"'; position: absolute; top: 10px; left: 20px;
    font-family: var(--font-display); font-size: 80px; color: rgba(255, 215, 0, 0.1);
    line-height: 1;
  }
  .intro-box p { font-size: 18px; line-height: 1.8; color: var(--text); font-style: italic; position: relative; z-index: 2; }

  /* CONTENT BLOCKS */
  .content-section { padding: 40px 0; }
  .content-grid { display: grid; gap: 60px; }
  .content-card {
    position: relative;
    background: var(--surface);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
  }
  .content-card:hover { transform: translateY(-5px); border-color: rgba(192, 132, 252, 0.3); box-shadow: var(--glow-purple); }
  .step-number {
    position: absolute; top: -20px; left: -20px;
    width: 60px; height: 60px;
    background: var(--bg); border: 2px solid var(--accent2);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 28px; color: var(--accent2);
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  }
  .content-card h2 { font-size: 28px; color: var(--accent); margin-bottom: 20px; }
  .content-card p { margin-bottom: 16px; font-size: 16px; color: var(--muted); }
  .content-card p:last-child { margin-bottom: 0; }

  /* Inline links styling within content */
  .content-card p a {
    color: var(--accent); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(255,215,0,0.3); text-underline-offset: 4px;
  }
  .content-card p a:hover { text-decoration-color: var(--accent); }

  /* CUSTOM LIST */
  .custom-list { margin-top: 24px; list-style: none; display: grid; gap: 12px; }
  .custom-list li {
    position: relative; padding-left: 36px; color: var(--text); font-size: 16px;
    background: rgba(42, 24, 53, 0.5); padding: 16px 16px 16px 48px; border-radius: 8px;
  }
  .custom-list li::before {
    content: '★'; position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
    color: var(--accent); font-size: 18px;
  }

  /* FAQ SECTION */
  .faq-section { padding: 60px 0; background: linear-gradient(to bottom, var(--bg), var(--surface), var(--bg)); }
  .section-title { text-align: center; font-size: 36px; margin-bottom: 40px; color: var(--text); }
  .faq-wrapper { max-width: 800px; margin: 0 auto; display: grid; gap: 16px; }
  details {
    background: var(--bg); border: 1px solid rgba(192, 132, 252, 0.2);
    border-radius: 8px; overflow: hidden;
  }
  summary {
    padding: 20px; font-size: 18px; font-weight: 600; color: var(--text);
    cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
  }
  summary::-webkit-details-marker { display: none; }
  summary::after {
    content: '+'; font-family: var(--font-display); font-size: 24px; color: var(--accent2); transition: transform 0.3s;
  }
  details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
  details[open] summary { border-bottom: 1px solid rgba(192, 132, 252, 0.2); }
  details p { padding: 20px; color: var(--muted); line-height: 1.7; }

  /* RELATED PAGES */
  .related-section { padding: 40px 0 60px; }
  .related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
  .related-link {
    display: flex; align-items: center; justify-content: center; text-align: center;
    padding: 20px; background: var(--surface-light); border-radius: 8px;
    color: var(--text); font-weight: 600; text-transform: uppercase; font-size: 14px; letter-spacing: 0.05em;
    border: 1px solid transparent; transition: all 0.3s;
  }
  .related-link:hover {
    background: var(--surface); border-color: var(--accent); color: var(--accent);
    box-shadow: var(--glow-gold); transform: translateY(-3px);
  }

  /* CTA SECTION */
  .cta-section {
    padding: 80px 0; text-align: center;
    background: radial-gradient(circle at center, rgba(255, 215, 0, 0.1) 0%, transparent 70%), var(--surface);
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
  }
  .cta-title { font-size: 40px; margin-bottom: 16px; color: var(--accent); }
  .cta-desc { font-size: 18px; color: var(--muted); margin-bottom: 32px; max-width: 600px; margin-inline: auto; }
  .cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; border-radius: 4px; font-family: var(--font-display);
    font-size: 20px; text-transform: uppercase; letter-spacing: 0.05em; cursor: pointer;
    transition: all 0.3s; min-height: 48px; min-width: 160px;
  }
  .btn-primary { background: var(--accent); color: var(--bg); border: none; box-shadow: 0 4px 15px rgba(255,215,0,0.3); }
  .btn-primary:hover { background: #ffe033; transform: scale(1.05); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
  .btn-secondary { background: transparent; color: var(--accent2); border: 2px solid var(--accent2); }
  .btn-secondary:hover { background: rgba(192, 132, 252, 0.1); color: #d8aaff; border-color: #d8aaff; }

  /* FOOTER STYLES */
  footer { background-color: #0a060d; padding: 60px 0 30px; text-align: center; border-top: 1px solid rgba(255,255,255,0.05); }
  .footer-brand { font-family: var(--font-display); font-size: 32px; color: var(--accent); margin-bottom: 16px; text-transform: uppercase; }
  .footer-tagline { color: var(--muted); max-width: 500px; margin: 0 auto 30px; font-size: 15px; }
  .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px 25px; margin-bottom: 40px; max-width: 800px; margin-inline: auto; }
  .footer-links a { color: var(--text); font-size: 14px; opacity: 0.8; }
  .footer-links a:hover { color: var(--accent); opacity: 1; }
  .copyright { color: #665c6e; font-size: 13px; }

  /* RESPONSIVE */
  @media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-links {
      display: none; position: absolute; top: 100%; left: 0; width: 100%;
      background: var(--surface); flex-direction: column; padding: 20px;
      border-bottom: 1px solid rgba(255,215,0,0.2); gap: 15px;
    }
    .nav-links.active { display: flex; }

    .intro-box { padding: 30px 20px; border-radius: 8px; border-left: none; border-top: 4px solid var(--accent); }
    .intro-box::before { top: -20px; left: 10px; }
    .content-card { padding: 30px 20px; margin-left: 10px; }
    .step-number { width: 40px; height: 40px; font-size: 20px; top: -15px; left: -15px; }
    .cta-buttons { flex-direction: column; width: 100%; padding: 0 20px; }
    .btn { width: 100%; }
  }
  @media (min-width: 1024px) {
    .content-grid { grid-template-columns: repeat(2, 1fr); }
    .content-card:nth-child(4) { grid-column: span 2; }
  }


/* 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; }
