:root {
    --bg: #0a1118;
    --surface: #142230;
    --surface-light: #1c3043;
    --accent: #4dd0ff;
    --accent-hover: #2bb5e8;
    --accent2: #ffd166;
    --accent2-hover: #e6b84d;
    --text: #f0faff;
    --muted: #8fa8b8;
    --font-display: 'Russo One', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --radius: 12px;
    --transition: all 0.3s ease;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: var(--font-body); color: var(--text); background-color: var(--bg); line-height: 1.7; overflow-x: hidden; }
  h1, h2, h3, h4, .font-display { font-family: var(--font-display); font-weight: normal; line-height: 1.2; }
  a { color: var(--accent); text-decoration: none; transition: var(--transition); }
  a:hover { color: var(--accent2); }
  img { max-width: 100%; height: auto; }
  .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; border-radius: 8px; font-family: var(--font-display); font-size: 1rem; cursor: pointer; transition: var(--transition); text-transform: uppercase; letter-spacing: 0.5px; border: none; min-height: 44px; }
  .btn-primary { background-color: var(--accent2); color: var(--bg); }
  .btn-primary:hover { background-color: var(--accent2-hover); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(255, 209, 102, 0.3); color: var(--bg); }
  .btn-secondary { background-color: transparent; color: var(--accent); border: 2px solid var(--accent); }
  .btn-secondary:hover { background-color: rgba(77, 208, 255, 0.1); color: var(--text); border-color: var(--text); transform: translateY(-2px); }

  /* Header (Verbatim Support) */
  header { background-color: rgba(10, 17, 24, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--surface); }
  .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
  .logo { font-family: var(--font-display); font-size: 1.8rem; color: var(--text); text-transform: lowercase; display: flex; align-items: center; gap: 10px; }
  .logo span { color: var(--accent); }
  .nav-links { display: none; gap: 20px; }
  .nav-links a { color: var(--text); font-weight: 600; font-size: 0.9rem; }
  .nav-links a:hover { color: var(--accent); }
  .header-ctas { display: none; gap: 10px; }
  .header-ctas .btn { padding: 8px 16px; font-size: 0.85rem; }
  .mobile-toggle { display: block; background: none; border: none; color: var(--text); font-size: 1.8rem; cursor: pointer; padding: 5px; min-width: 44px; min-height: 44px; }
  .mobile-menu { position: fixed; top: 70px; left: 0; width: 100%; background-color: var(--surface); padding: 20px; display: flex; flex-direction: column; gap: 15px; transform: translateY(-150%); transition: transform 0.4s ease; z-index: 999; box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
  .mobile-menu.active { transform: translateY(0); }
  .mobile-menu a { color: var(--text); font-weight: 600; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .mobile-menu .header-ctas { display: flex; flex-direction: column; margin-top: 10px; }
  .mobile-menu .header-ctas .btn { width: 100%; text-align: center; }

  /* Hero Section */
  .hero-shio { position: relative; padding: 60px 0 80px; background: radial-gradient(circle at top center, var(--surface) 0%, var(--bg) 100%); text-align: center; overflow: hidden; border-bottom: 1px solid var(--surface-light); }
  .hero-kite-deco { position: absolute; background: linear-gradient(135deg, var(--accent), var(--accent2)); clip-path: polygon(50% 0%, 100% 30%, 50% 100%, 0% 30%); opacity: 0.1; }
  .kite-1 { width: 120px; height: 160px; top: -20px; left: 5%; transform: rotate(15deg); }
  .kite-2 { width: 80px; height: 110px; bottom: 20px; right: 10%; transform: rotate(-25deg); }
  .breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 20px; display: inline-block; background: rgba(255,255,255,0.05); padding: 5px 15px; border-radius: 20px; letter-spacing: 0.5px; }
  .hero-shio h1 { font-size: 2.2rem; color: var(--text); margin-bottom: 25px; text-shadow: 0 4px 10px rgba(0,0,0,0.5); position: relative; z-index: 2; }
  .hero-shio h1 span { color: var(--accent2); }
  .meta-chips { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; position: relative; z-index: 2; }
  .chip { background-color: var(--surface); border: 1px solid var(--surface-light); color: var(--accent); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; display: flex; align-items: center; gap: 6px; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
  .chip::before { content: ''; display: inline-block; width: 6px; height: 6px; background-color: var(--accent2); border-radius: 50%; }

  /* Main Content Area */
  .content-layout { padding: 50px 0; display: flex; flex-direction: column; gap: 50px; }

  /* Intro Blockquote */
  .intro-box { background: linear-gradient(145deg, var(--surface), var(--bg)); border: 1px solid var(--surface-light); border-left: 5px solid var(--accent2); padding: 30px; border-radius: 0 var(--radius) var(--radius) 0; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
  .intro-box::before { content: '"'; position: absolute; top: 10px; left: 20px; font-family: var(--font-display); font-size: 5rem; color: rgba(255, 209, 102, 0.1); line-height: 1; }
  .intro-box p { font-size: 1.1rem; color: var(--text); position: relative; z-index: 2; margin: 0; }

  /* Guide Sections */
  .guide-section { position: relative; }
  .guide-section h2 { font-size: 1.6rem; color: var(--accent); margin-bottom: 20px; display: flex; align-items: center; gap: 15px; padding-bottom: 15px; border-bottom: 1px dashed var(--surface-light); }
  .guide-section h2::before { content: '🪁'; font-size: 1.4rem; filter: drop-shadow(0 0 5px var(--accent)); }
  .guide-section p { margin-bottom: 20px; color: #d0e3f0; text-align: justify; }
  .guide-section p:last-child { margin-bottom: 0; }
  .guide-section a { font-weight: 600; border-bottom: 1px solid rgba(77, 208, 255, 0.3); }
  .guide-section a:hover { border-bottom-color: var(--accent2); }

  /* Alternate Section Style */
  .guide-section.card-style { background-color: var(--surface); padding: 30px; border-radius: var(--radius); border: 1px solid var(--surface-light); }
  .guide-section.card-style h2 { border-bottom: none; padding-bottom: 0; }

  /* Checklist */
  .shio-checklist { list-style: none; margin-top: 25px; display: grid; gap: 15px; }
  .shio-checklist li { background-color: var(--surface); padding: 15px 20px; border-radius: 8px; display: flex; align-items: flex-start; gap: 15px; border-left: 3px solid var(--accent); transition: var(--transition); }
  .shio-checklist li:hover { transform: translateX(5px); background-color: var(--surface-light); border-left-color: var(--accent2); }
  .shio-checklist li::before { content: '✓'; font-family: var(--font-display); color: var(--accent2); font-size: 1.2rem; line-height: 1; margin-top: 3px; }

  /* FAQ Section */
  .faq-container { background: var(--surface); padding: 40px 30px; border-radius: var(--radius); border: 1px solid var(--surface-light); }
  .faq-container h2 { text-align: center; margin-bottom: 30px; font-size: 1.8rem; color: var(--text); }
  details { background-color: var(--bg); border: 1px solid var(--surface-light); border-radius: 8px; margin-bottom: 15px; overflow: hidden; transition: var(--transition); }
  details[open] { border-color: var(--accent); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
  summary { padding: 18px 20px; font-family: var(--font-display); font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; user-select: none; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: '+'; color: var(--accent); font-size: 1.5rem; transition: transform 0.3s ease; }
  details[open] summary::after { content: '-'; color: var(--accent2); transform: rotate(90deg); }
  details p { padding: 0 20px 20px; color: var(--muted); margin: 0; border-top: 1px solid var(--surface-light); padding-top: 15px; }

  /* Related Links */
  .related-links { text-align: center; }
  .related-links h2 { font-size: 1.5rem; margin-bottom: 25px; color: var(--accent2); }
  .links-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
  .links-grid a { background-color: var(--surface); border: 1px solid var(--surface-light); padding: 12px 25px; border-radius: 50px; font-weight: 600; color: var(--text); display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
  .links-grid a::before { content: ''; width: 8px; height: 8px; background-color: var(--accent); border-radius: 50%; display: inline-block; }
  .links-grid a:hover { background-color: var(--accent); color: var(--bg); border-color: var(--accent); transform: translateY(-3px); }
  .links-grid a:hover::before { background-color: var(--bg); }

  /* Grand CTA */
  .grand-cta { background: linear-gradient(135deg, var(--surface), #122a40); border-radius: var(--radius); padding: 50px 30px; text-align: center; border: 1px solid var(--accent); position: relative; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.4); margin-bottom: 20px; }
  .grand-cta::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(77, 208, 255, 0.1) 0%, transparent 60%); pointer-events: none; }
  .grand-cta h2 { font-size: 2rem; color: var(--text); margin-bottom: 15px; position: relative; z-index: 2; }
  .grand-cta p { font-size: 1.1rem; color: var(--muted); margin-bottom: 30px; max-width: 600px; margin-inline: auto; position: relative; z-index: 2; }
  .cta-group { display: flex; justify-content: center; gap: 20px; position: relative; z-index: 2; flex-wrap: wrap; }

  /* Footer (Verbatim Support) */
  footer { background-color: var(--surface); padding: 60px 0 20px; border-top: 1px solid var(--surface-light); margin-top: 40px; }
  .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-brand { font-family: var(--font-display); font-size: 2.5rem; color: var(--text); text-transform: lowercase; margin-bottom: 15px; }
  .footer-brand span { color: var(--accent); }
  .footer-tagline { color: var(--muted); font-size: 0.95rem; max-width: 300px; }
  .footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
  .footer-links a { color: var(--muted); font-size: 0.9rem; }
  .footer-links a:hover { color: var(--accent); padding-left: 5px; }
  .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--surface-light); color: var(--muted); font-size: 0.85rem; }

  /* Media Queries */
  @media (min-width: 768px) {
    .header-inner { height: 80px; }
    .nav-links { display: flex; }
    .header-ctas { display: flex; }
    .mobile-toggle { display: none; }
    .hero-shio { padding: 80px 0 100px; }
    .hero-shio h1 { font-size: 3rem; }
    .footer-grid { grid-template-columns: 1fr 2fr; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
    .guide-section { padding: 0 20px; }
  }
  @media (min-width: 1024px) {
    .hero-shio h1 { font-size: 3.5rem; }
    .intro-box { padding: 40px 50px; }
    .intro-box p { font-size: 1.2rem; }
    .content-layout { gap: 70px; }
    .shio-checklist { grid-template-columns: 1fr 1fr; }
  }


/* 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; }