:root {
    --bg: #1a0a14;
    --surface: #301828;
    --accent: #ff6b9d;
    --accent2: #4dd0ff;
    --text: #fff0f8;
    --muted: #c295b2;
    --font-display: 'Anton', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --container-max: 1100px;
  }

  *, *::before, *::after {
    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;
  }

  a {
    color: var(--accent2);
    text-decoration: none;
    transition: color 0.3s ease;
  }

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

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

  .container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
  }

  h1, h2, h3, .display-text {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
    line-height: 1.2;
  }

  /* Buttons - Graffiti Pop Style */
  .btn {
    display: inline-block;
    font-family: var(--font-display);
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
    cursor: pointer;
    text-align: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    letter-spacing: 1px;
    min-height: 44px;
    min-width: 44px;
  }

  .btn-primary {
    background-color: var(--accent);
    color: var(--bg);
    border: 2px solid var(--accent);
    box-shadow: 4px 4px 0 var(--accent2);
  }

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

  .btn-secondary {
    background-color: transparent;
    color: var(--accent2);
    border: 2px solid var(--accent2);
    box-shadow: 4px 4px 0 var(--accent);
  }

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

  /* Header (Verbatim Support) */
  header {
    background-color: var(--surface);
    border-bottom: 3px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
  }

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

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

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
  }

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

  .nav-links a {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 1.2rem;
  }

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

  .header-ctas {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 1rem;
  }

  .header-ctas.active {
    display: flex;
  }

  .mobile-toggle {
    background: none;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 1.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    display: block;
    min-height: 44px;
    min-width: 44px;
  }

  /* Hero Section */
  .hero {
    background: repeating-linear-gradient(
      45deg,
      var(--bg),
      var(--bg) 20px,
      #210d19 20px,
      #210d19 40px
    );
    padding: 4rem 0 5rem;
    border-bottom: 4px dashed var(--muted);
    text-align: center;
    position: relative;
  }

  .hero::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 30px;
    background-color: var(--accent2);
    border-radius: 50px;
    z-index: 1;
    clip-path: polygon(0 0, 100% 0, 80% 100%, 20% 100%);
  }

  .breadcrumb {
    font-family: var(--font-display);
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    background: var(--surface);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--muted);
  }

  .hero h1 {
    font-size: 2.8rem;
    color: var(--text);
    text-shadow: 3px 3px 0 var(--accent), -2px -2px 0 var(--accent2);
    margin-bottom: 1.5rem;
    padding: 0 1rem;
  }

  .meta-chips {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .chip {
    background-color: var(--accent2);
    color: var(--bg);
    font-family: var(--font-display);
    font-size: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    transform: rotate(-2deg);
    box-shadow: 2px 2px 0 var(--accent);
  }

  .chip:nth-child(2) {
    background-color: var(--accent);
    box-shadow: 2px 2px 0 var(--accent2);
    transform: rotate(2deg);
  }

  /* Main Content Area */
  .main-content {
    padding: 4rem 0;
  }

  .intro-box {
    background-color: var(--surface);
    border: 3px solid var(--accent);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 8px 8px 0 var(--accent2);
    margin-bottom: 4rem;
    font-size: 1.1rem;
    position: relative;
  }

  .intro-box::before {
    content: '"';
    font-family: var(--font-display);
    font-size: 6rem;
    color: var(--accent);
    position: absolute;
    top: -2rem;
    left: 1rem;
    opacity: 0.3;
    line-height: 1;
  }

  /* Section Styling */
  .guide-section {
    margin-bottom: 4rem;
    position: relative;
    padding-left: 1rem;
    border-left: 4px solid var(--accent2);
  }

  .guide-section h2 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .guide-section p {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    color: var(--text);
  }

  .guide-section p a {
    font-weight: 600;
    border-bottom: 2px solid var(--accent2);
  }

  .guide-section p a:hover {
    border-bottom-color: var(--accent);
  }

  .guide-list {
    list-style: none;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px dashed var(--muted);
  }

  .guide-list li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }

  .guide-list li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
  }

  .guide-list li:last-child {
    margin-bottom: 0;
  }

  /* FAQ Section */
  .faq-container {
    background-color: var(--surface);
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    margin-bottom: 4rem;
    border: 2px solid var(--muted);
  }

  .faq-container h2 {
    text-align: center;
    color: var(--accent2);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 0 var(--bg);
  }

  details {
    background-color: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow: hidden;
  }

  summary {
    padding: 1.2rem;
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface);
    transition: background-color 0.3s;
  }

  summary:hover {
    background-color: #3d1f33;
  }

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

  summary::after {
    content: '▼';
    color: var(--accent2);
    font-size: 1rem;
    transition: transform 0.3s ease;
  }

  details[open] summary::after {
    transform: rotate(180deg);
    color: var(--accent);
  }

  details p {
    padding: 1.2rem;
    border-top: 1px solid var(--muted);
    font-size: 1.1rem;
  }

  /* Related Links Grid */
  .related-box {
    margin-bottom: 4rem;
  }

  .related-box h2 {
    font-size: 2rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }

  .tags-grid a {
    background-color: var(--surface);
    color: var(--accent2);
    font-family: var(--font-display);
    font-size: 1.2rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent2);
    border-radius: 30px;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 var(--bg), 5px 5px 0 var(--accent);
    transition: all 0.2s;
  }

  .tags-grid a:hover {
    background-color: var(--accent2);
    color: var(--bg);
    transform: translateY(-3px);
    box-shadow: 3px 6px 0 var(--bg), 5px 8px 0 var(--accent);
  }

  /* Final CTA */
  .final-cta {
    background: linear-gradient(45deg, var(--accent), #ff3377);
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 16px;
    box-shadow: 0 15px 0 var(--surface);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
  }

  .final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
      transparent,
      transparent 10px,
      rgba(0,0,0,0.1) 10px,
      rgba(0,0,0,0.1) 20px
    );
    transform: rotate(30deg);
    pointer-events: none;
  }

  .final-cta h2 {
    color: var(--bg);
    font-size: 2.8rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
  }

  .final-cta p {
    color: var(--bg);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
  }

  .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
  }

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

  .cta-buttons .btn-primary:hover {
    color: var(--bg);
    background-color: var(--text);
  }

  .cta-buttons .btn-secondary {
    border-color: var(--bg);
    color: var(--bg);
    background-color: rgba(0,0,0,0.2);
    box-shadow: 4px 4px 0 var(--bg);
  }

  .cta-buttons .btn-secondary:hover {
    background-color: var(--bg);
    color: var(--accent);
  }

  /* Footer (Verbatim Support) */
  footer {
    background-color: #11050d;
    padding: 4rem 0 2rem;
    border-top: 5px solid var(--surface);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
  }

  .footer-brand h2 {
    color: var(--accent);
    font-size: 3rem;
    margin-bottom: 1rem;
  }

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

  .footer-links-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-col h3 {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--surface);
    padding-bottom: 0.5rem;
  }

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

  .footer-col ul li {
    margin-bottom: 0.75rem;
  }

  .footer-col ul li a {
    color: var(--muted);
  }

  .footer-col ul li a:hover {
    color: var(--accent2);
    padding-left: 5px;
  }

  .footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--surface);
    color: var(--muted);
    font-size: 0.9rem;
  }

  /* Media Queries */
  @media (min-width: 768px) {
    .header-inner {
      flex-wrap: nowrap;
    }

    .mobile-toggle {
      display: none;
    }

    .nav-links {
      display: flex;
      flex-direction: row;
      width: auto;
      padding: 0;
      gap: 1.5rem;
    }

    .header-ctas {
      display: flex;
      flex-direction: row;
      width: auto;
      padding: 0;
    }

    .hero h1 {
      font-size: 4rem;
    }

    .intro-box {
      font-size: 1.2rem;
      padding: 3rem;
    }

    .guide-section {
      padding-left: 2rem;
    }

    .guide-section h2 {
      font-size: 2.5rem;
    }

    .footer-grid {
      grid-template-columns: 300px 1fr;
    }

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

  @media (min-width: 1024px) {
    .hero {
      padding: 6rem 0 7rem;
    }

    .guide-section {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  }


/* 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; }