: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);
            --border-focus: rgba(0, 242, 254, 0.3);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --radius: 8px;
            --transition: 0.15s ease;
        }

        * {
            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;
            overflow-x: hidden;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        /* 顶部导航结构 */
        .vista {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 10, 18, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 1rem 0;
        }

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

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

        .crease {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

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

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

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

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

        .fuselage.active {
            color: var(--accent);
            border-color: rgba(0, 242, 254, 0.2);
            background: rgba(17, 74, 242, 0.12);
        }

        /* 主区域通用布局 */
        main {
            display: flex;
            flex-direction: column;
            gap: 5rem;
            padding-bottom: 5rem;
        }

        /* 首屏 Hero 区 - 原型: offset_overlap */
        .launch {
            position: relative;
            padding: 6rem 0 4rem;
            overflow: hidden;
            background: radial-gradient(circle at 70% 30%, rgba(17, 74, 242, 0.15) 0%, transparent 60%),
                        radial-gradient(circle at 20% 80%, rgba(0, 242, 254, 0.08) 0%, transparent 50%);
        }

        .launch .hangar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            min-height: 520px;
        }

        /* 重叠文字块 */
        .zenith-whisper {
            flex: 1 1 500px;
            min-width: 0;
            z-index: 2;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-color);
            border-left: 4px solid var(--primary);
            padding: 3rem;
            border-radius: var(--radius);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(17, 74, 242, 0.15);
            margin-right: -60px;
        }

        .feather {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0.85rem;
            background: rgba(0, 242, 254, 0.08);
            border: 1px solid rgba(0, 242, 254, 0.25);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        .rudder {
            font-size: clamp(1.8rem, 3.5vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: -0.03em;
            white-space: normal;
        }

        .aileron {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            line-height: 1.7;
            word-break: break-word;
        }

        .flock-ribbon {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .thrust {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            padding: 0.875rem 2rem;
            background: linear-gradient(135deg, var(--primary) 0%, #0d38b8 100%);
            color: #ffffff;
            font-weight: 600;
            border-radius: var(--radius);
            box-shadow: 0 4px 20px var(--primary-glow);
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .thrust:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(17, 74, 242, 0.5);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .propel {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            padding: 0.875rem 2rem;
            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 var(--transition);
        }

        .propel:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            color: #ffffff;
        }

        /* 偏移层次组件（代替图片的角色 offset_layer） */
        .zenith-crest {
            flex: 1 1 450px;
            min-width: 0;
            z-index: 1;
            transform: translate(40px, 40px);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
            position: relative;
        }

        .zenith-crest::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20%;
            right: 20%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .terminal-vista {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 1rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .terminal-dots {
            display: flex;
            gap: 0.4rem;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #334155;
        }

        .dot:nth-child(1) { background: #ef4444; }
        .dot:nth-child(2) { background: #f59e0b; }
        .dot:nth-child(3) { background: #10b981; }

        .status-tag {
            font-size: 0.75rem;
            font-family: monospace;
            color: var(--accent);
            background: rgba(0, 242, 254, 0.1);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
        }

        .console-flow {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            font-family: monospace;
            font-size: 0.875rem;
        }

        .console-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem;
            background: rgba(15, 23, 42, 0.6);
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.04);
        }

        .node-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .wingtip {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* 区块二：端到端加密与分布式数据节点 (article) */
        .airspace {
            position: relative;
        }

        .vista-block {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 3.5rem;
        }

        .vista-block .rudder {
            font-size: clamp(1.6rem, 2.8vw, 2.25rem);
        }

        .flock {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .glider {
            flex: 1 1 320px;
            min-width: 0;
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2.25rem;
            transition: all var(--transition);
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .glider:hover {
            transform: translateY(-4px);
            border-color: var(--border-focus);
            box-shadow: 0 15px 35px rgba(17, 74, 242, 0.2);
        }

        .wingtip-stamp {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(17, 74, 242, 0.2) 0%, rgba(0, 242, 254, 0.1) 100%);
            border: 1px solid rgba(0, 242, 254, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            margin-bottom: 1.5rem;
        }

        .glider-rudder {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.85rem;
        }

        .glider-aileron {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 区块三：无缝云同步架构与多端并发 (section) */
        .skyward {
            background: rgba(15, 23, 42, 0.5);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 5rem 0;
        }

        .origami-hangar {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
        }

        .origami-side {
            flex: 1 1 420px;
            min-width: 0;
        }

        .origami-glider {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }

        .metrics-plume {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            margin-top: 1.5rem;
        }

        .metric-thermal {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem;
            background: rgba(7, 10, 18, 0.5);
            border-radius: 6px;
            border-left: 3px solid var(--primary);
        }

        .metric-val {
            font-family: monospace;
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* 区块四：开放生态 (aside) */
        .driftway {
            position: relative;
        }

        .leaflet-flock {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .leaflet {
            flex: 1 1 260px;
            min-width: 0;
            background: rgba(22, 32, 54, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all var(--transition);
        }

        .leaflet:hover {
            border-color: rgba(0, 242, 254, 0.4);
            transform: translateY(-3px);
            background: rgba(22, 32, 54, 0.95);
        }

        .leaflet-fuselage {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1.5rem;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 区块五：站内重点主题导览 (aside) */
        .envelope {
            background: linear-gradient(180deg, transparent 0%, rgba(17, 74, 242, 0.05) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 3.5rem 2.5rem;
        }

        .paths-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .path-glider {
            flex: 1 1 280px;
            min-width: 0;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            padding: 1.75rem;
            border-radius: var(--radius);
            transition: all var(--transition);
        }

        .path-glider:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 25px rgba(17, 74, 242, 0.25);
        }

        .path-tag {
            font-size: 0.75rem;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }

        /* 页脚区域 */
        .beacon {
            background: #030509;
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

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

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

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

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

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

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

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

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .zenith-whisper {
                margin-right: 0;
                margin-bottom: -30px;
            }
            .zenith-crest {
                transform: translate(0, 0);
            }
        }

        @media (max-width: 768px) {
            .vector {
                flex-direction: column;
                align-items: flex-start;
            }
            .launch .hangar {
                flex-direction: column;
            }
            .zenith-whisper {
                padding: 2rem 1.5rem;
                margin-bottom: 1.5rem;
            }
            .glider, .leaflet, .path-glider {
                flex: 1 1 100%;
            }
            .envelope {
                padding: 2rem 1.25rem;
            }
        }

.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;
        }