:root {
    --bg: #1a0a14;
    --surface: #301828;
    --surface-alt: #24121e;
    --accent: #ff6b9d;
    --accent2: #4dd0ff;
    --text: #fff0f8;
    --muted: #c295b2;
    --font-head: 'Anton', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --radius: 12px;
    --shadow-pop: 4px 4px 0 var(--accent);
    --shadow-pop-alt: 4px 4px 0 var(--accent2);
    --transition: all 0.3s ease;
  }

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

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

  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: 12px 24px;
    font-family: var(--font-head);
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
  }
  .btn-primary {
    background-color: var(--accent);
    color: var(--bg);
    box-shadow: 3px 3px 0 var(--accent2);
  }
  .btn-primary:hover {
    background-color: var(--accent2);
    box-shadow: 3px 3px 0 var(--accent);
    transform: translate(-2px, -2px);
  }
  .btn-secondary {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
  }
  .btn-secondary:hover {
    background-color: var(--accent);
    color: var(--bg);
  }

  /* HEADER (Strict adherence to provided HTML classes) */
  header {
    background-color: var(--surface);
    border-bottom: 2px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
  }
  .logo-area a { display: flex; align-items: center; }
  .nav-links { display: none; }
  .nav-links a {
    color: var(--text);
    font-weight: 600;
    padding: 10px 15px;
    text-transform: uppercase;
    font-family: var(--font-head);
    letter-spacing: 1px;
  }
  .nav-links a:hover { color: var(--accent); }
  .header-ctas { display: none; gap: 10px; }
  .mobile-toggle {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 28px;
    cursor: pointer;
    display: block;
  }

  @media(min-width: 1024px) {
    .nav-links { display: flex; align-items: center; gap: 5px; }
    .header-ctas { display: flex; align-items: center; }
    .mobile-toggle { display: none; }
  }

  /* HERO BANNER */
  .hero-banner {
    background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
    padding: 60px 0 40px;
    position: relative;
    border-bottom: 4px dashed var(--surface);
  }
  .hero-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(var(--surface-alt) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.5;
    pointer-events: none;
  }
  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
  }
  .breadcrumb {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .breadcrumb span { color: var(--accent2); }
  h1 {
    font-family: var(--font-head);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 3px 3px 0 var(--accent), -1px -1px 0 var(--accent2);
  }
  .meta-chips {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
  }
  .chip {
    background: var(--surface);
    border: 2px solid var(--accent2);
    color: var(--text);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 2px 2px 0 var(--accent2);
  }

  /* MAIN CONTENT AREA */
  .main-article {
    padding: 60px 0;
  }
  .content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
  }

  /* TYPOGRAPHY & BLOCKS IN CONTENT */
  .intro-block {
    background: var(--surface);
    padding: 30px;
    border-radius: var(--radius);
    border-left: 6px solid var(--accent);
    box-shadow: var(--shadow-pop);
    font-size: 1.1rem;
    font-weight: 500;
  }

  .content-section {
    position: relative;
  }
  .content-section h2 {
    font-family: var(--font-head);
    font-size: 2rem;
    color: var(--accent2);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
  }
  .content-section h2::after {
    content: '';
    display: block;
    width: 100%;
    height: 4px;
    background: var(--accent);
    margin-top: 5px;
    transform: skewX(-20deg);
  }
  .content-section p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    color: #e0d0da;
  }
  .content-section p a {
    color: var(--accent);
    font-weight: 700;
    border-bottom: 1px dashed var(--accent);
  }
  .content-section p a:hover {
    color: var(--accent2);
    border-bottom-color: var(--accent2);
  }

  /* CUSTOM LIST */
  .styled-list {
    list-style: none;
    margin: 20px 0;
    padding: 0;
  }
  .styled-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 15px;
    font-size: 1.05rem;
    background: var(--surface-alt);
    padding: 15px 15px 15px 45px;
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 157, 0.2);
  }
  .styled-list li::before {
    content: '★';
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--accent2);
    font-size: 1.2rem;
  }

  /* CARD STYLE FOR SPECIFIC SECTION (Alternating visual interest) */
  .card-section {
    background: var(--surface);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop-alt);
    border: 2px solid var(--surface-alt);
  }
  .card-section h2 { color: var(--accent); }
  .card-section h2::after { background: var(--accent2); }

  /* FAQ SECTION */
  .faq-container {
    margin-top: 40px;
  }
  .faq-title {
    text-align: center;
    margin-bottom: 30px;
  }
  details {
    background: var(--surface);
    border-radius: 8px;
    margin-bottom: 15px;
    border: 2px solid transparent;
    transition: var(--transition);
    overflow: hidden;
  }
  details:hover {
    border-color: var(--accent);
  }
  details[open] {
    border-color: var(--accent2);
    box-shadow: 4px 4px 0 rgba(77, 208, 255, 0.2);
  }
  summary {
    padding: 20px;
    font-family: var(--font-head);
    font-size: 1.2rem;
    letter-spacing: 1px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text);
  }
  summary::-webkit-details-marker { display: none; }
  summary::after {
    content: '+';
    color: var(--accent);
    font-size: 1.5rem;
    transition: transform 0.3s;
  }
  details[open] summary::after {
    content: '-';
    color: var(--accent2);
    transform: rotate(180deg);
  }
  details p {
    padding: 0 20px 20px;
    margin: 0;
    color: var(--muted);
  }

  /* RELATED LINKS NAV BLOCK */
  .related-nav {
    margin-top: 60px;
    padding: 40px 0;
    border-top: 2px dashed var(--surface);
  }
  .related-nav h3 {
    font-family: var(--font-head);
    text-align: center;
    font-size: 1.8rem;
    color: var(--text);
    margin-bottom: 25px;
    letter-spacing: 1px;
  }
  .tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
  }
  .tag-link {
    background: var(--surface-alt);
    color: var(--accent2);
    padding: 12px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--surface);
    transition: var(--transition);
  }
  .tag-link:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 107, 157, 0.4);
  }

  /* MEGA CTA */
  .mega-cta {
    background: linear-gradient(45deg, var(--accent) 0%, #ff8fa3 100%);
    padding: 60px 20px;
    text-align: center;
    border-radius: 20px;
    margin: 60px auto;
    max-width: 1000px;
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.3);
    position: relative;
    overflow: hidden;
  }
  .mega-cta::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(255,255,255,0.1) 20px,
      rgba(255,255,255,0.1) 40px
    );
    animation: moveStripes 20s linear infinite;
    pointer-events: none;
  }
  @keyframes moveStripes {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
  }
  .mega-cta h2 {
    font-family: var(--font-head);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--bg);
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
  }
  .mega-cta p {
    color: var(--bg);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
  }
  .cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
  }
  .btn-cta-1 {
    background: var(--bg);
    color: var(--accent);
    padding: 15px 35px;
    font-family: var(--font-head);
    font-size: 1.2rem;
    border-radius: 10px;
    text-transform: uppercase;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
  }
  .btn-cta-1:hover {
    background: var(--accent2);
    color: var(--bg);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 rgba(0,0,0,0.5);
  }
  .btn-cta-2 {
    background: transparent;
    color: var(--bg);
    border: 3px solid var(--bg);
    padding: 15px 35px;
    font-family: var(--font-head);
    font-size: 1.2rem;
    border-radius: 10px;
    text-transform: uppercase;
  }
  .btn-cta-2:hover {
    background: var(--bg);
    color: var(--accent);
  }

  /* FOOTER (Strict adherence to provided HTML classes) */
  footer {
    background-color: var(--surface);
    padding: 60px 0 20px;
    border-top: 4px solid var(--accent);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  .footer-brand .display-text {
    font-family: var(--font-head);
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 15px;
    letter-spacing: 1px;
  }
  .footer-brand p { color: var(--muted); }
  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
  }
  .footer-col h3 {
    font-family: var(--font-head);
    color: var(--text);
    margin-bottom: 20px;
    font-size: 1.2rem;
    letter-spacing: 1px;
  }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a {
    color: var(--muted);
    font-size: 0.95rem;
  }
  .footer-col ul li a:hover { color: var(--accent2); }
  .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--muted);
    font-size: 0.9rem;
  }

  @media(min-width: 768px) {
    .footer-grid { grid-template-columns: 300px 1fr; }
  }

  /* MOBILE MENU OVERRIDE */
  @media(max-width: 1023px) {
    .nav-links.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 70px;
      left: 0;
      width: 100%;
      background: var(--surface);
      padding: 20px;
      border-bottom: 2px solid var(--accent);
      box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }
    .header-ctas.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 280px;
      left: 0;
      width: 100%;
      background: var(--surface);
      padding: 0 20px 20px;
      border-bottom: 2px solid var(--accent);
      z-index: 99;
    }
  }


/* 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; }