:root {
    --primary: #114af2;
    --primary-glow: rgba(17, 74, 242, 0.35);
    --accent: #00f2fe;
    --bg-dark: #070a12;
    --bg-surface: #0f172a;
    --bg-card: #162036;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --radius: 8px;
  }

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

  body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: break-word;
    overflow-wrap: break-word;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  /* 强制复用首页导航栏样式 */
  header.vista {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 10, 18, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
  }

  .hangar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }

  .vector {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }

  .crease {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
  }

  .crease img {
    width: 36px;
    height: 36px;
    object-fit: contain;
  }

  .crease span {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
  }

  .plume {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
  }

  .fuselage {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius);
    transition: all 0.15s ease;
  }

  .fuselage:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
  }

  .fuselage.active {
    color: var(--text-main);
    background: rgba(17, 74, 242, 0.15);
    border: 1px solid rgba(17, 74, 242, 0.4);
  }

  /* 通用版心与容器 */
  main {
    display: block;
    width: 100%;
  }

  .airspace {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
  }

  .feather {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 1rem 0;
  }

  /* 标题与文本通用语法 */
  h1.rudder, h2.rudder, h3.rudder {
    color: #ffffff;
    font-weight: 800;
    letter-spacing: -0.03em;
    white-space: normal;
    word-break: keep-all;
  }

  h1.rudder {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  h2.rudder {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.3;
    margin-bottom: 1rem;
  }

  h3.rudder {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
  }

  p.aileron {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
  }

  /* 按钮语法 */
  .thrust {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, #114af2 0%, #0d38b8 100%);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.15s ease;
    cursor: pointer;
    min-width: 0;
  }

  .thrust:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(17, 74, 242, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
  }

  .flick {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: all 0.15s ease;
    cursor: pointer;
    min-width: 0;
  }

  .flick:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }

  /* 顶层 1: download_hero (acquire) */
  section.launch {
    padding: 5rem 0 4rem;
    background: radial-gradient(circle at 70% 30%, rgba(17, 74, 242, 0.18) 0%, transparent 65%),
                radial-gradient(circle at 20% 80%, rgba(0, 242, 254, 0.08) 0%, transparent 55%);
    border-bottom: 1px solid var(--border-color);
  }

  .launch .envelope {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
  }

  .launch .whisper {
    flex: 1 1 500px;
    min-width: 0;
  }

  .launch .crest {
    flex: 1 1 450px;
    min-width: 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px var(--primary-glow);
  }

  .launch .crest img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
    object-fit: cover;
  }

  .flock {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-top: 2rem;
  }

  .wingtip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }

  .wingtip svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
  }

  .origami {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.875rem;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.3);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
  }

  /* 顶层 2: platform_grid (comparison) */
  section.skyward {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .skyward .rudder-whisper {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3.5rem auto;
  }

  .glider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
  }

  .glider {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.15s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    position: relative;
    min-width: 0;
  }

  .glider:hover {
    border-color: rgba(17, 74, 242, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px var(--primary-glow);
  }

  .glider-vista {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
  }

  .glider-stamp {
    padding: 0.25rem 0.6rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
  }

  .glider-wingtip {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: rgba(17, 74, 242, 0.15);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
  }

  .glider-meta {
    list-style: none;
    margin: 1rem 0 1.5rem 0;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
  }

  .glider-meta li {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
  }

  .glider-meta span.val {
    color: var(--text-main);
    font-family: monospace;
  }

  .skyward-media {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  }

  .skyward-media img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
  }

  /* 顶层 3: security_verifier (acquire / div) */
  div.zenith {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a1122 100%);
  }

  .leaflet-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }

  .code-glider {
    background: #04060b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 1.25rem;
    font-family: Consolas, Monaco, "Andale Mono", monospace;
    font-size: 0.875rem;
    color: #38bdf8;
    overflow-x: auto;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
  }

  .code-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    gap: 1rem;
  }

  .code-row:last-child {
    border-bottom: none;
  }

  .code-hash {
    color: #a5f3fc;
    word-break: break-all;
  }

  /* 顶层 4: install_guide_faq (faq / aside) */
  aside.driftway {
    padding: 5rem 0;
  }

  .faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
  }

  .faq-glider {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    min-width: 0;
  }

  .faq-glider h3 {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .faq-glider .wingtip {
    color: var(--accent);
    margin-top: 0.2rem;
  }

  /* 页脚底层容器 */
  div[role="contentinfo"] {
    background: #030509;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    color: var(--text-muted);
  }

  .runway {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
  }

  .landing-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
  }

  .runway-col h4 {
    color: var(--text-main);
    font-size: 1rem;
    margin-bottom: 1.25rem;
  }

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

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

  .runway-col a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.15s ease;
  }

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

  .landing {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.875rem;
  }

  /* 响应式调整 */
  @media (max-width: 768px) {
    .launch .envelope {
      flex-direction: column;
    }
    .vector {
      height: auto;
      padding: 1rem 0;
      gap: 1rem;
    }
    .plume {
      width: 100%;
      justify-content: flex-start;
      overflow-x: auto;
      padding-bottom: 0.5rem;
    }
    .fuselage {
      padding: 0.4rem 0.75rem;
      font-size: 0.875rem;
      white-space: nowrap;
    }
    .glider-grid {
      grid-template-columns: 1fr;
    }
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }

.airway-vista {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--text-main);
}
.airway-vista,
.airway-vista *,
.airway-vista *::before,
.airway-vista *::after {
    box-sizing: border-box;
}

.airway-vista [role="navigation"],
.airway-vista div,
.airway-vista section,
.airway-vista article,
.airway-vista aside,
.airway-vista p,
.airway-vista h1,
.airway-vista h2,
.airway-vista h3,
.airway-vista h4,
.airway-vista h5,
.airway-vista h6,
.airway-vista a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.airway-vista p,
.airway-vista h1,
.airway-vista h2,
.airway-vista h3,
.airway-vista h4,
.airway-vista h5,
.airway-vista h6 {
    text-decoration: none;
}

.airway-vista img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.airway-vista {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.airway-vista a.airway-fuselage {
    --aisite-shell-nav-padding: 0.5rem 1rem;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.airway-vista a.airway-fuselage,
.airway-vista a.airway-fuselage:hover,
.airway-vista a.airway-fuselage:focus,
.airway-vista a.airway-fuselage:active,
.airway-vista a.airway-fuselage.active,
.airway-vista a.airway-fuselage[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.airway-vista{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 10, 18, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 0;
        }

.airway-vista .airway-hangar{
            width: 90vw;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

.airway-vista .airway-vector{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

.airway-vista .airway-crease{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #f8fafc;
            letter-spacing: -0.02em;
        }

.airway-vista .airway-crease img{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.airway-vista .airway-plume{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }

.airway-vista .airway-fuselage{
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #94a3b8;
            transition: all 0.15s ease;
        }

.airway-vista .airway-fuselage:hover, .airway-vista .airway-fuselage.active{
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

.airway-vista .airway-fuselage.active{
            color: #00f2fe;
            border-color: rgba(0, 242, 254, 0.2);
            background: rgba(17, 74, 242, 0.12);
        }

@media (max-width: 768px){.airway-vista .airway-vector{
                flex-direction: column;
                align-items: flex-start;
            }}

.airway-vista {
    background: rgb(7, 10, 18);
    background-image: none;
}

.tarmac-beacon {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--text-main);
}
.tarmac-beacon,
.tarmac-beacon *,
.tarmac-beacon *::before,
.tarmac-beacon *::after {
    box-sizing: border-box;
}

.tarmac-beacon [role="navigation"],
.tarmac-beacon div,
.tarmac-beacon section,
.tarmac-beacon article,
.tarmac-beacon aside,
.tarmac-beacon p,
.tarmac-beacon h1,
.tarmac-beacon h2,
.tarmac-beacon h3,
.tarmac-beacon h4,
.tarmac-beacon h5,
.tarmac-beacon h6,
.tarmac-beacon a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.tarmac-beacon p,
.tarmac-beacon h1,
.tarmac-beacon h2,
.tarmac-beacon h3,
.tarmac-beacon h4,
.tarmac-beacon h5,
.tarmac-beacon h6 {
    text-decoration: none;
}

.tarmac-beacon img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.tarmac-beacon {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.tarmac-beacon a,
.tarmac-beacon a:hover,
.tarmac-beacon a:focus,
.tarmac-beacon a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.tarmac-beacon .tarmac-hangar{
            width: 90vw;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

.tarmac-beacon{
            background: #030509;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4rem 0 2rem;
            color: #94a3b8;
            font-size: 0.9rem;
        }

.tarmac-beacon .tarmac-tarmac{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

.tarmac-beacon .tarmac-runway-col{
            flex: 1 1 220px;
            min-width: 0;
        }

.tarmac-beacon .tarmac-landing-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.tarmac-beacon .tarmac-landing-desc{
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

.tarmac-beacon .tarmac-runway-rudder{
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 1.2rem;
            font-size: 1rem;
        }

.tarmac-beacon .tarmac-runway-links{
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            list-style: none;
        }

.tarmac-beacon .tarmac-runway-links a:hover{
            color: #00f2fe;
        }

.tarmac-beacon .tarmac-copyright{
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.85rem;
        }