:root {
    --bg: #070d12;
    --surface: #122030;
    --surface-hover: #1a2d42;
    --accent: #f97316;
    --accent-hover: #ea580c;
    --accent2: #38bdf8;
    --text: #f0f8ff;
    --muted: #8fa5b8;
    --border: #1e364d;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Fira Sans', sans-serif;
    --container-px: 1.5rem;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  a { color: var(--accent2); text-decoration: none; transition: color 0.2s ease; }
  a:hover { color: var(--accent); }

  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: var(--container-px);
    padding-right: var(--container-px);
  }

  /* --- HEADER STYLES --- */
  header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
  }
  .brand {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .nav-links { display: none; gap: 1.5rem; }
  .nav-links a {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    font-family: var(--font-display);
    letter-spacing: 0.5px;
  }
  .nav-links a:hover { color: var(--accent); }
  .nav-actions { display: none; gap: 1rem; }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    border: 1px solid transparent;
  }
  .btn-primary {
    background-color: var(--accent);
    color: #fff;
  }
  .btn-primary:hover { background-color: var(--accent-hover); color: #fff; }
  .btn-secondary {
    background-color: transparent;
    color: var(--accent2);
    border-color: var(--accent2);
  }
  .btn-secondary:hover {
    background-color: rgba(56, 189, 248, 0.1);
  }
  .menu-toggle {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
  }
  .mobile-menu {
    display: none;
    flex-direction: column;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1rem var(--container-px);
  }
  .mobile-menu.active { display: flex; }
  .mobile-menu a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-display);
    text-transform: uppercase;
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu .btn { margin-top: 1rem; width: 100%; text-align: center; }

  @media (min-width: 1024px) {
    .menu-toggle { display: none; }
    .nav-links { display: flex; }
    .nav-actions { display: flex; }
    .mobile-menu { display: none !important; }
  }

  /* --- TERMINAL PAGE MOTIF --- */
  .page-wrapper {
    padding: 2rem 0 4rem;
  }

  /* Hero Section */
  .hero-terminal {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
  }
  .hero-terminal::before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(90deg, rgba(249,115,22,0.05) 0%, transparent 100%);
    pointer-events: none;
  }
  .breadcrumb {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
  }
  .hero-terminal h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: 1rem;
    text-transform: uppercase;
  }
  .meta-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background-color: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--accent2);
    color: var(--accent2);
    font-size: 0.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .chip::before {
    content: '>';
    margin-right: 0.5rem;
    font-family: monospace;
  }

  /* Content Layout */
  .content-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
  }
  @media (min-width: 1024px) {
    .content-grid { grid-template-columns: 2fr 1fr; }
    .hero-terminal h1 { font-size: 2.75rem; }
  }

  /* Intro Box */
  .intro-box {
    font-size: 1.1rem;
    color: var(--text);
    background-color: rgba(249, 115, 22, 0.05);
    padding: 1.5rem;
    border: 1px dashed var(--accent);
    margin-bottom: 2rem;
    line-height: 1.7;
  }

  /* Data Panels (Sections) */
  .data-panel {
    background-color: var(--surface);
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
  }
  .data-panel::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 20px; height: 20px;
    border-top: 2px solid var(--border);
    border-right: 2px solid var(--border);
  }
  .data-panel h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent2);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .data-panel h2::before {
    content: '■';
    color: var(--accent);
    font-size: 1rem;
  }
  .data-panel p {
    margin-bottom: 1rem;
    color: var(--muted);
  }
  .data-panel p:last-child { margin-bottom: 0; }
  .data-panel a { text-decoration: underline; text-underline-offset: 4px; }

  /* Checklist System */
  .system-checklist {
    list-style: none;
    margin-top: 1.5rem;
    background-color: var(--bg);
    border: 1px solid var(--border);
    padding: 1rem;
  }
  .system-checklist li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text);
    font-family: var(--font-body);
  }
  .system-checklist li:last-child { margin-bottom: 0; }
  .system-checklist li::before {
    content: '[OK]';
    position: absolute;
    left: 0;
    top: 0;
    color: #10b981; /* Terminal green */
    font-family: monospace;
    font-weight: bold;
  }

  /* FAQ Accordion */
  .faq-module { margin-top: 2rem; }
  .faq-module h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.5rem;
  }
  details {
    background-color: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 0.5rem;
    border-radius: 2px;
  }
  summary {
    padding: 1rem 1.25rem;
    font-weight: 600;
    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: '+';
    font-family: monospace;
    font-size: 1.25rem;
    color: var(--accent2);
  }
  details[open] summary::after { content: '-'; color: var(--accent); }
  details p {
    padding: 0 1.25rem 1.25rem;
    color: var(--muted);
    border-top: 1px dashed var(--border);
    margin-top: 0.5rem;
    padding-top: 1rem;
  }

  /* Sidebar / Related Links */
  .sidebar-module {
    background-color: var(--surface);
    border: 1px solid var(--accent2);
    padding: 1.5rem;
    position: sticky;
    top: 90px;
  }
  .sidebar-module h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent2);
    margin-bottom: 1rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
  }
  .nav-term {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .nav-term a {
    display: block;
    padding: 0.75rem 1rem;
    background-color: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
  }
  .nav-term a::before {
    content: '>';
    margin-right: 0.5rem;
    color: var(--accent);
    font-family: monospace;
  }
  .nav-term a:hover {
    border-color: var(--accent);
    background-color: rgba(249, 115, 22, 0.05);
    color: var(--accent);
  }

  /* Final CTA */
  .cta-terminal {
    margin-top: 3rem;
    padding: 3rem 1.5rem;
    background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
  }
  .cta-terminal::before, .cta-terminal::after {
    content: '';
    position: absolute;
    width: 30px; height: 30px;
    border: 2px solid var(--accent);
  }
  .cta-terminal::before { top: 0; left: 0; border-right: none; border-bottom: none; }
  .cta-terminal::after { bottom: 0; right: 0; border-left: none; border-top: none; }

  .cta-terminal h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text);
    margin-bottom: 1rem;
    text-transform: uppercase;
  }
  .cta-terminal p {
    color: var(--muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  .cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
  }
  .cta-actions .btn { min-width: 160px; }

  /* --- FOOTER STYLES --- */
  footer {
    background-color: #04080b;
    border-top: 1px solid var(--border);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
  }
  .footer-brand {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
  }
  .footer-tagline {
    color: var(--muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
  }
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    margin-bottom: 2rem;
  }
  .footer-links a {
    color: var(--muted);
    font-size: 0.9rem;
  }
  .footer-links a:hover { color: var(--accent2); }
  .copyright {
    color: #4a5d6e;
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
  }


/* 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; }