:root {
    --bg: #1a0a14;
    --surface: #301828;
    --accent: #ff6b9d;
    --accent2: #4dd0ff;
    --text: #fff0f8;
    --muted: #c295b2;
    --font-display: 'Anton', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --shadow-pop: 4px 4px 0px var(--accent2);
    --shadow-pop-hover: 2px 2px 0px var(--accent2);
    --shadow-pop-alt: 4px 4px 0px var(--accent);
    --radius: 12px;
    --transition: all 0.2s ease-in-out;
  }

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

  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4, .display-text {
    font-family: var(--font-display);
    font-weight: normal;
    letter-spacing: 1px;
    text-transform: uppercase;
    line-height: 1.2;
  }

  a {
    color: var(--accent2);
    text-decoration: none;
    transition: var(--transition);
  }

  a:hover {
    color: var(--accent);
  }

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

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-family: var(--font-display);
    font-size: 18px;
    text-transform: uppercase;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    min-height: 44px;
  }

  .btn-primary {
    background-color: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    box-shadow: 4px 4px 0px var(--accent2);
  }

  .btn-primary:hover {
    background-color: var(--accent2);
    border-color: var(--accent2);
    color: var(--bg);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(2px, 2px);
  }

  .btn-secondary {
    background-color: transparent;
    color: var(--accent2);
    border-color: var(--accent2);
    box-shadow: 4px 4px 0px var(--accent);
  }

  .btn-secondary:hover {
    background-color: var(--accent2);
    color: var(--bg);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(2px, 2px);
  }

  .btn-lg {
    font-size: 24px;
    padding: 16px 32px;
  }

  /* Header (Targeting provided HTML structure) */
  header {
    background-color: var(--surface);
    border-bottom: 3px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
  }

  .logo-area img {
    display: block;
    height: 40px;
    width: auto;
  }

  .nav-links {
    display: flex;
    gap: 24px;
  }

  .nav-links a {
    color: var(--text);
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .nav-links a:hover {
    color: var(--accent);
  }

  .header-ctas {
    display: flex;
    gap: 12px;
  }

  .mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 28px;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
  }

  /* Hero Banner */
  .hero-banner {
    background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
    border-bottom: 4px dashed var(--muted);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero-banner::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--accent) 10%, transparent 10%), radial-gradient(circle, var(--accent) 10%, transparent 10%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0.1;
    transform: rotate(15deg);
  }

  .breadcrumb {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .hero-banner h1 {
    font-size: clamp(36px, 6vw, 64px);
    color: var(--accent2);
    text-shadow: 3px 3px 0px var(--accent), 6px 6px 0px var(--bg);
    margin-bottom: 24px;
    line-height: 1.1;
  }

  .meta-chips {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .chip {
    background-color: rgba(77, 208, 255, 0.1);
    border: 1px solid var(--accent2);
    color: var(--accent2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
  }

  /* Main Content Layout */
  .main-content {
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    gap: 48px;
  }

  /* Intro Block */
  .intro-block {
    background-color: var(--accent);
    color: var(--bg);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
    font-size: 18px;
    font-weight: 500;
    position: relative;
    border: 3px solid var(--text);
    transform: rotate(-1deg);
  }

  .intro-block::before {
    content: '"';
    font-family: var(--font-display);
    font-size: 120px;
    position: absolute;
    top: -20px;
    left: 10px;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1;
  }

  .intro-block p {
    position: relative;
    z-index: 2;
  }

  /* Article Sections */
  .article-section {
    background-color: var(--surface);
    border: 2px solid var(--muted);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 6px 6px 0px rgba(0,0,0,0.5);
    transition: var(--transition);
  }

  .article-section:nth-child(even) {
    border-color: var(--accent2);
    box-shadow: 6px 6px 0px rgba(77, 208, 255, 0.2);
  }

  .article-section:nth-child(odd) {
    border-color: var(--accent);
    box-shadow: 6px 6px 0px rgba(255, 107, 157, 0.2);
  }

  .article-section h2 {
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 20px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
  }

  .article-section:nth-child(even) h2 {
    color: var(--accent2);
  }

  .article-section p {
    margin-bottom: 16px;
    color: var(--text);
  }

  .article-section p:last-child {
    margin-bottom: 0;
  }

  /* Custom List */
  .pop-list {
    list-style: none;
    margin: 24px 0 0 0;
    padding: 0;
  }

  .pop-list li {
    position: relative;
    padding-left: 36px;
    margin-bottom: 16px;
    font-weight: 500;
  }

  .pop-list li::before {
    content: '★';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--accent2);
    font-size: 20px;
  }

  /* FAQ Section */
  .faq-container {
    margin-top: 20px;
  }

  .faq-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .faq-header h2 {
    font-size: 42px;
    color: var(--text);
    text-shadow: 2px 2px 0px var(--accent);
  }

  details {
    background-color: var(--surface);
    border: 2px solid var(--muted);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
  }

  details:hover {
    border-color: var(--accent);
  }

  summary {
    padding: 20px 24px;
    font-family: var(--font-display);
    font-size: 20px;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 50px;
    background-color: rgba(0,0,0,0.2);
  }

  summary::-webkit-details-marker {
    display: none;
  }

  summary::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent2);
    font-size: 28px;
    font-weight: bold;
    transition: transform 0.3s ease;
  }

  details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
    color: var(--accent);
  }

  details[open] {
    border-color: var(--accent);
    box-shadow: var(--shadow-pop-alt);
  }

  .details-content {
    padding: 20px 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--muted);
  }

  /* Related Links Block */
  .related-nav-block {
    background: var(--surface);
    padding: 48px 20px;
    margin: 60px 0;
    border-top: 4px solid var(--accent2);
    border-bottom: 4px solid var(--accent);
    text-align: center;
  }

  .related-nav-block h3 {
    font-size: 32px;
    margin-bottom: 32px;
    color: var(--text);
  }

  .related-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
  }

  .related-grid a {
    background-color: var(--bg);
    color: var(--text);
    border: 2px solid var(--muted);
    padding: 12px 24px;
    border-radius: 30px;
    font-family: var(--font-display);
    font-size: 18px;
    text-transform: uppercase;
    box-shadow: 3px 3px 0px rgba(0,0,0,0.5);
  }

  .related-grid a:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 3px 3px 0px var(--accent2);
    transform: translateY(-2px);
  }

  /* Bottom CTA */
  .bottom-cta {
    background: linear-gradient(45deg, var(--accent) 0%, #ff8dae 100%);
    padding: 80px 20px;
    text-align: center;
    color: var(--bg);
    position: relative;
    overflow: hidden;
  }

  .bottom-cta::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0,0,0,0.1) 10px, rgba(0,0,0,0.1) 20px);
    border-radius: 50%;
  }

  .cta-inner {
    position: relative;
    z-index: 2;
  }

  .bottom-cta h2 {
    font-size: clamp(40px, 5vw, 56px);
    margin-bottom: 16px;
    color: var(--bg);
    text-shadow: 2px 2px 0px rgba(255,255,255,0.5);
  }

  .bottom-cta p {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .cta-actions .btn-primary {
    background-color: var(--bg);
    color: var(--accent);
    border-color: var(--bg);
    box-shadow: 6px 6px 0px rgba(0,0,0,0.3);
  }

  .cta-actions .btn-primary:hover {
    background-color: var(--accent2);
    color: var(--bg);
    border-color: var(--accent2);
    box-shadow: 3px 3px 0px rgba(0,0,0,0.3);
  }

  .cta-actions .btn-secondary {
    color: var(--bg);
    border-color: var(--bg);
    box-shadow: 6px 6px 0px rgba(0,0,0,0.3);
  }

  .cta-actions .btn-secondary:hover {
    background-color: var(--bg);
    color: var(--accent);
    box-shadow: 3px 3px 0px rgba(0,0,0,0.3);
  }

  /* Footer (Targeting provided HTML structure) */
  footer {
    background-color: var(--bg);
    border-top: 4px solid var(--surface);
    padding: 60px 0 20px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-brand .display-text {
    color: var(--accent);
    font-size: 48px;
    margin-bottom: 16px;
  }

  .footer-brand p {
    color: var(--muted);
  }

  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .footer-col h3 {
    color: var(--text);
    font-size: 20px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--surface);
    padding-bottom: 8px;
  }

  .footer-col ul {
    list-style: none;
  }

  .footer-col ul li {
    margin-bottom: 12px;
  }

  .footer-col a {
    color: var(--muted);
    font-weight: 500;
  }

  .footer-col a:hover {
    color: var(--accent2);
    padding-left: 4px;
  }

  .footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--surface);
    color: var(--muted);
    font-size: 14px;
  }

  /* Media Queries */
  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 768px) {
    .nav-links {
      display: none;
      position: absolute;
      top: 80px;
      left: 0;
      width: 100%;
      background-color: var(--surface);
      flex-direction: column;
      padding: 20px;
      border-bottom: 3px solid var(--accent);
      box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

    .nav-links.active {
      display: flex;
    }

    .header-ctas {
      display: none;
    }

    .mobile-toggle {
      display: block;
    }

    .footer-links-grid {
      grid-template-columns: 1fr 1fr;
    }

    .cta-actions {
      flex-direction: column;
    }

    .cta-actions .btn {
      width: 100%;
    }
  }

  @media (max-width: 480px) {
    .footer-links-grid {
      grid-template-columns: 1fr;
    }
    .hero-banner h1 {
      font-size: 32px;
    }
    .article-section {
      padding: 24px 16px;
    }
    .article-section h2 {
      font-size: 24px;
    }
    .intro-block {
      padding: 24px 16px;
      font-size: 16px;
    }
  }


/* 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; }