:root {
            --bg-main: #0b0f17;
            --bg-surface: #131b29;
            --bg-card: #1a2538;
            --accent: #3fb1cb;
            --accent-hover: #54c4dd;
            --accent-glow: rgba(63, 177, 203, 0.22);
            --accent-soft: rgba(63, 177, 203, 0.1);
            --text-main: #f0f4f8;
            --text-muted: #8e9db3;
            --border: rgba(63, 177, 203, 0.2);
            --border-hover: rgba(63, 177, 203, 0.5);
            --radius: 14px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(63, 177, 203, 0.12);
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        /* Top Bar & Navigation */
        .emblem {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 23, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .beacon {
            max-width: 1320px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .crest {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .crest img {
            height: 38px;
            width: auto;
            object-fit: contain;
        }

        .vector {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            min-width: 0;
        }

        .aileron {
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .aileron:hover {
            color: var(--text-main);
            background: var(--accent-soft);
            border-color: var(--border);
        }

        .aileron.active {
            color: #ffffff;
            background: var(--accent);
            box-shadow: 0 0 14px var(--accent-glow);
        }

        /* Main Container */
        .fuselage {
            width: 100%;
            display: flex;
            flex-direction: column;
        }

        /* Hero Section - Card Float Archetype */
        .zenith {
            position: relative;
            min-height: 580px;
            background-image: linear-gradient(180deg, rgba(11, 15, 23, 0.4) 0%, rgba(11, 15, 23, 0.9) 100%), url('../../content/hero_product_surface.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 4rem 1.5rem;
            border-bottom: 1px solid var(--border);
        }

        .zenith-runway {
            max-width: 1320px;
            width: 100%;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
        }

        /* Floating Card positioned offset */
        .cabin {
            background: rgba(19, 27, 41, 0.92);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-hover);
            border-radius: var(--radius);
            padding: 2.75rem;
            max-width: 680px;
            width: 100%;
            box-shadow: var(--shadow);
            transform: translateY(20px);
            transition: transform 0.25s ease;
            min-width: 0;
        }

        .cabin:hover {
            transform: translateY(15px);
        }

        .plume-h1 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            color: #ffffff;
            margin-bottom: 1.25rem;
            white-space: normal;
        }

        .visor-lead {
            font-size: 1.08rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            line-height: 1.75;
        }

        .flange-zenith {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .spool-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg-main);
            border: 1px solid var(--border);
            padding: 0.4rem 0.85rem;
            border-radius: 30px;
            font-size: 0.88rem;
            color: var(--text-main);
            min-width: 0;
        }

        .rudder-tiny {
            width: 16px;
            height: 16px;
            fill: var(--accent);
            flex-shrink: 0;
        }

        .thrust-hangar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            background: linear-gradient(135deg, var(--accent) 0%, #288fa7 100%);
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 600;
            padding: 0.95rem 2.2rem;
            border-radius: 10px;
            box-shadow: 0 6px 20px var(--accent-glow);
            transition: all 0.25s ease;
        }

        .thrust-hangar:hover {
            background: linear-gradient(135deg, var(--accent-hover) 0%, #309fb8 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(63, 177, 203, 0.4);
        }

        /* Common Section Layouts */
        .strato, .apogee, .radome, .rune {
            padding: 5rem 1.5rem;
            max-width: 1320px;
            margin: 0 auto;
            width: 100%;
        }

        .apogee-rune {
            background: var(--bg-surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            width: 100%;
        }

        .plume-h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            text-align: center;
        }

        .visor-sub {
            font-size: 1rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 780px;
            margin: 0 auto 3.5rem auto;
            line-height: 1.7;
        }

        /* Features Grid Section */
        .flange-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1.75rem;
        }

        .nacelle {
            flex: 1 1 280px;
            min-width: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            transition: all 0.25s ease;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
        }

        .nacelle:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .rudder-hatch {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--accent-soft);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
        }

        .rudder-hatch svg {
            width: 26px;
            height: 26px;
            fill: var(--accent);
        }

        .plume-h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.8rem;
        }

        .visor-cabin {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Ecosystem Matrix / Navigation Cards */
        .flange-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .bay-cabin {
            flex: 1 1 260px;
            min-width: 0;
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
        }

        .bay-cabin:hover {
            border-color: var(--accent);
            background: rgba(26, 37, 56, 0.6);
            transform: translateY(-4px);
        }

        .thrust-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1.5rem;
            color: var(--accent);
            font-size: 0.95rem;
            font-weight: 600;
        }

        .thrust-secondary:hover {
            color: var(--accent-hover);
        }

        /* Topics & Scene Deep Cards (Aside) */
        .flange-topics {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .spool-topic {
            flex: 1 1 450px;
            min-width: 0;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2.25rem;
        }

        .strut-line {
            height: 3px;
            width: 42px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 1rem;
        }

        /* Status & Metrics Overview */
        .flange-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .bay-stat {
            flex: 1 1 220px;
            min-width: 0;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.75rem;
            text-align: center;
        }

        .glint-stat {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 0.4rem;
            font-family: monospace, sans-serif;
        }

        /* Footer */
        .tarmac {
            background: #070a10;
            border-top: 1px solid var(--border);
            padding: 4rem 1.5rem 2.5rem 1.5rem;
            color: var(--text-muted);
            font-size: 0.92rem;
        }

        .anchor {
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            justify-content: space-between;
            margin-bottom: 3rem;
        }

        .base-info {
            flex: 1 1 320px;
            min-width: 0;
        }

        .base-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .base-links {
            flex: 2 1 500px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: flex-end;
        }

        .rivet-flange {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
            min-width: 130px;
        }

        .rivet-head {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .rivet-flange a {
            color: var(--text-muted);
        }

        .rivet-flange a:hover {
            color: var(--accent);
        }

        .tarmac-bottom {
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.88rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            .beacon {
                flex-direction: column;
                align-items: flex-start;
            }
            .vector {
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 0.25rem;
            }
            .cabin {
                padding: 1.75rem;
            }
            .base-links {
                justify-content: flex-start;
            }
            .strato, .apogee, .radome, .rune {
                padding: 3.5rem 1rem;
            }
        }

.vector-emblem{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 23, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(63, 177, 203, 0.2);
        }

.vector-emblem .vector-beacon{
            max-width: 1320px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

.vector-emblem .vector-crest{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.vector-emblem .vector-crest img{
            height: 38px;
            width: auto;
            object-fit: contain;
        }

.vector-emblem .vector-vector{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            min-width: 0;
        }

.vector-emblem .vector-aileron{
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #8e9db3;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

.vector-emblem .vector-aileron:hover{
            color: #f0f4f8;
            background: rgba(63, 177, 203, 0.1);
            border-color: rgba(63, 177, 203, 0.2);
        }

.vector-emblem .vector-aileron.active{
            color: #ffffff;
            background: #3fb1cb;
            box-shadow: 0 0 14px rgba(63, 177, 203, 0.22);
        }

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

.vector-emblem .vector-vector{
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 0.25rem;
            }}

.vector-emblem {
    background: rgb(11, 15, 23);
    background-image: none;
}

.tarmac-tarmac {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text-main);
}
.tarmac-tarmac,
.tarmac-tarmac *,
.tarmac-tarmac *::before,
.tarmac-tarmac *::after {
    box-sizing: border-box;
}

.tarmac-tarmac nav,
.tarmac-tarmac div,
.tarmac-tarmac section,
.tarmac-tarmac article,
.tarmac-tarmac aside,
.tarmac-tarmac p,
.tarmac-tarmac h1,
.tarmac-tarmac h2,
.tarmac-tarmac h3,
.tarmac-tarmac h4,
.tarmac-tarmac h5,
.tarmac-tarmac h6,
.tarmac-tarmac a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

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

.tarmac-tarmac .tarmac-visor-cabin{
            font-size: 0.95rem;
            color: #8e9db3;
            line-height: 1.65;
        }

.tarmac-tarmac{
            background: #070a10;
            border-top: 1px solid rgba(63, 177, 203, 0.2);
            padding: 4rem 1.5rem 2.5rem 1.5rem;
            color: #8e9db3;
            font-size: 0.92rem;
        }

.tarmac-tarmac .tarmac-anchor{
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            justify-content: space-between;
            margin-bottom: 3rem;
        }

.tarmac-tarmac .tarmac-base-info{
            flex: 1 1 320px;
            min-width: 0;
        }

.tarmac-tarmac .tarmac-base-brand{
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.tarmac-tarmac .tarmac-base-links{
            flex: 2 1 500px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: flex-end;
        }

.tarmac-tarmac .tarmac-rivet-flange{
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
            min-width: 130px;
        }

.tarmac-tarmac .tarmac-rivet-head{
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

.tarmac-tarmac .tarmac-rivet-flange a{
            color: #8e9db3;
        }

.tarmac-tarmac .tarmac-rivet-flange a:hover{
            color: #3fb1cb;
        }

.tarmac-tarmac .tarmac-tarmac-bottom{
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.88rem;
        }

@media (max-width: 768px){.tarmac-tarmac .tarmac-base-links{
                justify-content: flex-start;
            }}