:root {
    --bg: #1a0a14;
    --surface: #301828;
    --surface-light: #4a253e;
    --accent: #ff6b9d;
    --accent-hover: #ff4785;
    --accent2: #4dd0ff;
    --accent2-hover: #1abeff;
    --text: #fff0f8;
    --muted: #c295b2;
    --font-display: 'Anton', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 50px;
    --shadow-pop: 4px 4px 0px var(--accent2);
    --shadow-pop-sm: 2px 2px 0px var(--accent);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

  * { 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;
  }

  a { text-decoration: none; color: inherit; transition: var(--transition); }
  ul, ol { list-style: none; }
  img { max-width: 100%; height: auto; display: block; }

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

  .display-text { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1px; }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
  }
  .btn-primary {
    background-color: var(--accent);
    color: var(--bg);
    box-shadow: var(--shadow-pop);
    border-color: var(--accent);
  }
  .btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--accent2);
  }
  .btn-secondary {
    background-color: transparent;
    color: var(--accent2);
    border-color: var(--accent2);
    box-shadow: 4px 4px 0px var(--surface-light);
  }
  .btn-secondary:hover {
    background-color: var(--accent2);
    color: var(--bg);
    box-shadow: 4px 4px 0px var(--accent);
  }

  /* Header (Copied HTML styling) */
  header {
    background-color: rgba(26, 10, 20, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--surface);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
  }
  .nav-links { display: none; }
  .header-ctas { display: none; }
  .mobile-toggle {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 5px;
  }

  @media (min-width: 1024px) {
    .mobile-toggle { display: none; }
    .nav-links {
      display: flex;
      gap: 24px;
    }
    .nav-links a {
      font-weight: 600;
      font-size: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      position: relative;
    }
    .nav-links a:hover { color: var(--accent); }
    .nav-links a::after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: -4px;
      left: 0;
      background-color: var(--accent2);
      transition: var(--transition);
    }
    .nav-links a:hover::after { width: 100%; }
    .header-ctas {
      display: flex;
      gap: 12px;
    }
    .header-ctas .btn { padding: 8px 16px; font-size: 1rem; }
  }

  /* Mobile Menu Active State */
  .nav-active .nav-links, .nav-active .header-ctas {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--surface);
    padding: 20px;
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  }
  .nav-active .header-ctas {
    top: auto;
    position: relative;
    border-bottom: none;
    box-shadow: none;
    padding-top: 0;
  }
  .nav-active .nav-links { gap: 16px; text-align: center; }
  .nav-active .nav-links a { font-size: 1.2rem; display: block; padding: 10px; border-radius: var(--radius-sm); background: var(--surface-light); }

  /* Hero Banner - Specific to RTP Page */
  .rtp-hero {
    padding: 60px 0 40px;
    position: relative;
    background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
    border-bottom: 4px dashed var(--surface-light);
    overflow: hidden;
  }
  .rtp-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(var(--surface-light) 2px, transparent 2px);
    background-size: 24px 24px;
    opacity: 0.3;
    z-index: 1;
  }
  .rtp-hero .container { position: relative; z-index: 2; text-align: center; }

  .breadcrumb {
    font-size: 0.85rem;
    color: var(--accent2);
    margin-bottom: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    background: var(--surface);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--accent2);
  }

  h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--accent);
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 3px 3px 0px var(--surface-light), 6px 6px 0px rgba(0,0,0,0.5);
    transform: rotate(-1deg);
  }

  .meta-chips {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 30px;
  }
  .chip {
    background-color: var(--accent2);
    color: var(--bg);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    box-shadow: var(--shadow-pop-sm);
  }

  .rtp-intro {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    background: var(--surface);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 6px solid var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    text-align: left;
  }

  /* Main Content Area */
  .content-area {
    padding: 60px 0;
  }
  .content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
  }

  /* Content Cards */
  .content-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 30px;
    border: 2px solid var(--surface-light);
    position: relative;
    transition: var(--transition);
  }
  .content-card:hover {
    border-color: var(--accent2);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
  }

  .content-card h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent2);
    margin-bottom: 20px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .content-card h2::before {
    content: '';
    display: block;
    width: 20px;
    height: 20px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 2px 2px 0 var(--text);
  }

  .content-card p {
    margin-bottom: 16px;
    font-size: 1.05rem;
    color: var(--muted);
  }
  .content-card p:last-child { margin-bottom: 0; }

  /* Inline Links */
  .content-card a {
    color: var(--accent);
    font-weight: 700;
    border-bottom: 2px dashed var(--accent);
    padding-bottom: 2px;
  }
  .content-card a:hover {
    color: var(--accent2);
    border-bottom-color: var(--accent2);
    background: rgba(77, 208, 255, 0.1);
  }

  /* Lists */
  .rtp-list {
    margin: 20px 0;
    padding-left: 10px;
  }
  .rtp-list li {
    position: relative;
    padding-left: 36px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text);
  }
  .rtp-list li::before {
    content: '★';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent2);
    font-size: 1.2rem;
    line-height: 1.2;
    text-shadow: 1px 1px 0 var(--accent);
  }

  /* FAQ Section */
  .faq-wrapper {
    margin-top: 60px;
    background: var(--surface-light);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    border: 3px solid var(--surface);
  }
  .faq-wrapper h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--accent);
    text-align: center;
    margin-bottom: 30px;
    text-transform: uppercase;
  }
  details {
    background: var(--surface);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid var(--muted);
    overflow: hidden;
  }
  summary {
    padding: 20px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--accent2);
  }
  summary::-webkit-details-marker { display: none; }
  summary::after {
    content: '+';
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent);
    transition: var(--transition);
  }
  details[open] summary::after { content: '-'; transform: rotate(180deg); color: var(--text); }
  details[open] summary { border-bottom: 1px solid rgba(255,255,255,0.1); }
  details p {
    padding: 20px;
    color: var(--muted);
    line-height: 1.7;
  }

  /* Related Links Block */
  .related-section {
    margin-top: 60px;
    text-align: center;
  }
  .related-section h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text);
    margin-bottom: 24px;
  }
  .related-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .related-grid a {
    display: inline-block;
    background: var(--bg);
    color: var(--muted);
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    border: 2px solid var(--surface-light);
    font-weight: 600;
    text-transform: lowercase;
  }
  .related-grid a:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    box-shadow: 0 5px 15px rgba(255, 107, 157, 0.4);
    transform: translateY(-2px);
  }

  /* Final CTA */
  .final-cta {
    margin: 80px 0;
    background: linear-gradient(45deg, var(--accent), var(--accent2));
    padding: 60px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
  }
  .final-cta::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0,0,0,0.1) 10px, rgba(0,0,0,0.1) 20px);
    z-index: 1;
  }
  .final-cta .cta-content { position: relative; z-index: 2; }
  .final-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--bg);
    margin-bottom: 16px;
    line-height: 1.2;
  }
  .final-cta p {
    color: var(--bg);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 30px;
  }
  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }
  .cta-buttons .btn-primary { background: var(--bg); color: var(--accent); border-color: var(--bg); box-shadow: 4px 4px 0px rgba(0,0,0,0.5); }
  .cta-buttons .btn-primary:hover { background: var(--surface); color: var(--accent2); }
  .cta-buttons .btn-secondary { background: rgba(0,0,0,0.2); color: var(--bg); border-color: var(--bg); box-shadow: none; }
  .cta-buttons .btn-secondary:hover { background: var(--bg); color: var(--accent); }

  /* Footer (Copied HTML styling) */
  footer {
    background-color: #11060d;
    padding: 60px 0 20px;
    border-top: 5px solid var(--accent);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  @media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 300px 1fr; }
  }
  .footer-brand h2 { color: var(--accent); font-size: 2.5rem; margin-bottom: 16px; }
  .footer-brand p { color: var(--muted); font-size: 0.95rem; }
  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
  }
  .footer-col h3 {
    color: var(--accent2);
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 20px;
    letter-spacing: 1px;
  }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul a { color: var(--muted); font-size: 0.95rem; }
  .footer-col ul a:hover { color: var(--accent); padding-left: 5px; }
  .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--surface);
    color: var(--muted);
    font-size: 0.85rem;
  }
  .footer-bottom a { color: var(--accent2); }
  .footer-bottom a:hover { text-decoration: underline; }


/* 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; }