:root {
            --accent: #3630db;
            --accent-light: #5d58f0;
            --accent-glow: rgba(54, 48, 219, 0.35);
            --bg-main: #080914;
            --bg-card: rgba(18, 22, 42, 0.7);
            --bg-card-hover: rgba(28, 34, 64, 0.85);
            --radius: 12px;
            --text-main: #ffffff;
            --text-sub: #9da6c0;
            --border: rgba(93, 88, 240, 0.25);
        }

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

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

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

        /* 顶部导航栏样式复用 */
        .beacon {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 9, 20, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }

        .hangar {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .fuselage {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            min-width: 0;
        }

        .crest {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .crest img {
            height: 38px;
            width: auto;
            display: block;
        }

        .course {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
            min-width: 0;
        }

        .beacon-glide {
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.35s ease;
            position: relative;
            padding: 6px 0;
        }

        .beacon-glide:hover,
        .beacon-glide.active {
            color: var(--text-main);
        }

        .beacon-glide.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-light);
            box-shadow: 0 0 8px var(--accent);
            border-radius: 2px;
        }

        .thrust {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #3630db 0%, #5d58f0 100%);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(54, 48, 219, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.35s ease;
            cursor: pointer;
            min-width: 0;
        }

        .thrust:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(54, 48, 219, 0.5);
            background: linear-gradient(135deg, #423ce6 0%, #6b66f8 100%);
        }

        .ignite {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 10px;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            cursor: pointer;
            min-width: 0;
        }

        .ignite:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent-light);
            transform: translateY(-2px);
        }

        /* 主容器 */
        .airframe {
            position: relative;
            z-index: 1;
        }

        /* Section 1: Intro / Zenith */
        .zenith {
            padding: 70px 0 90px;
            background: radial-gradient(circle at 50% 15%, rgba(54, 48, 219, 0.22) 0%, transparent 65%);
            border-bottom: 1px solid rgba(93, 88, 240, 0.15);
        }

        .visor {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 50px;
        }

        .waypoint {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(54, 48, 219, 0.15);
            border: 1px solid rgba(93, 88, 240, 0.3);
            color: #8b86ff;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .apex {
            color: var(--text-main);
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            white-space: normal;
        }

        .plume {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 动效预览卡片 */
        .optic {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 36px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(54, 48, 219, 0.2);
            backdrop-filter: blur(10px);
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }

        .casing {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-around;
        }

        .cabin {
            flex: 1;
            min-width: 260px;
            background: rgba(8, 9, 20, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 24px;
            transition: all 0.35s ease;
        }

        .cabin:hover {
            border-color: var(--accent-light);
            box-shadow: 0 0 20px rgba(54, 48, 219, 0.25);
        }

        .vapor {
            height: 2px;
            width: 100%;
            background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
            margin: 20px 0;
            position: relative;
            overflow: hidden;
        }

        .vapor::after {
            content: '';
            position: absolute;
            top: 0;
            left: -50%;
            width: 50%;
            height: 100%;
            background: rgba(255, 255, 255, 0.8);
            animation: scan 2.5s infinite linear;
        }

        @keyframes scan {
            0% { left: -50%; }
            100% { left: 150%; }
        }

        .fleet {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .payload {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 28px;
            transition: all 0.35s ease;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .payload:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            border-color: rgba(93, 88, 240, 0.6);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(54, 48, 219, 0.25);
        }

        .signal {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(54, 48, 219, 0.3) 0%, rgba(93, 88, 240, 0.1) 100%);
            border: 1px solid rgba(93, 88, 240, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a39eff;
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .launch {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        /* Section 2: Steps / Canopy */
        .canopy {
            padding: 80px 0;
            background: rgba(12, 14, 28, 0.6);
            border-bottom: 1px solid rgba(93, 88, 240, 0.15);
        }

        .nacelle {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            position: relative;
        }

        .slot {
            background: rgba(18, 22, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 28px 24px;
            position: relative;
            transition: all 0.35s ease;
        }

        .slot:hover {
            border-color: var(--accent-light);
            background: rgba(28, 34, 64, 0.6);
            transform: translateY(-3px);
        }

        .slot-num {
            font-size: 32px;
            font-weight: 900;
            color: rgba(93, 88, 240, 0.4);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }

        .slot:hover .slot-num {
            color: var(--accent-light);
            text-shadow: 0 0 10px rgba(93, 88, 240, 0.5);
        }

        /* Section 3: Capability / Strato */
        aside.strato {
            padding: 80px 0;
            background: radial-gradient(ellipse at center, rgba(54, 48, 219, 0.12) 0%, transparent 70%);
            border-bottom: 1px solid rgba(93, 88, 240, 0.15);
        }

        .strato-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
        }

        /* Section 4: FAQ / Tarmac */
        .tarmac {
            padding: 80px 0 100px;
        }

        .faq-fleet {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-payload {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 28px 32px;
            transition: all 0.35s ease;
        }

        .faq-payload:hover {
            border-color: var(--accent-light);
            background: var(--bg-card-hover);
        }

        .faq-q {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 页脚区域 */
        .apron {
            background: #04050a;
            border-top: 1px solid var(--border);
            padding: 60px 0 40px;
        }

        .runway {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-width: 0;
        }

        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }

        .rudder {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: #646c8a;
        }

        @media (max-width: 768px) {
            .fuselage {
                height: auto;
                padding: 16px 0;
                gap: 16px;
            }
            .course {
                gap: 16px;
                width: 100%;
                justify-content: center;
            }
            .apex {
                font-size: 28px;
            }
            .optic {
                padding: 20px;
            }
            .launch {
                flex-direction: column;
            }
            .thrust, .ignite {
                width: 100%;
                justify-content: center;
            }
        }

.beacon-beacon{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 9, 20, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
        }

.beacon-beacon .beacon-hangar{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.beacon-beacon .beacon-fuselage{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

.beacon-beacon .beacon-crest{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

.beacon-beacon .beacon-crest img{
            height: 38px;
            width: auto;
            display: block;
        }

.beacon-beacon .beacon-course{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

.beacon-beacon .beacon-beacon-glide{
            color: #9da6c0;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.35s ease;
        }

.beacon-beacon .beacon-beacon-glide:hover, .beacon-beacon .beacon-beacon-glide.active{
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

.beacon-beacon .beacon-beacon-glide.active{
            border-bottom: 2px solid #5d58f0;
        }

.beacon-beacon .beacon-thrust{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #3630db 0%, #5d58f0 100%);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 10px;
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(54, 48, 219, 0.35);
            transition: all 0.35s ease;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            min-width: 0;
        }

.beacon-beacon .beacon-thrust:hover{
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(93, 88, 240, 0.5);
            color: #ffffff;
        }

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

.beacon-beacon .beacon-course{
                width: 100%;
                justify-content: space-between;
                overflow-x: auto;
                padding-bottom: 8px;
            }}

.beacon-beacon {
    background: rgb(8, 9, 20);
    background-image: none;
}

.tarmac-rudder {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--fg-body);
}
.tarmac-rudder,
.tarmac-rudder *,
.tarmac-rudder *::before,
.tarmac-rudder *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.tarmac-rudder .tarmac-hangar{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

.tarmac-rudder{
            background: #05060d;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 32px;
            color: #697393;
            font-size: 14px;
        }

.tarmac-rudder .tarmac-tarmac{
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            margin-bottom: 48px;
        }

.tarmac-rudder .tarmac-apron{
            flex: 1 1 240px;
            min-width: 0;
        }

.tarmac-rudder .tarmac-apron-brand{
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

.tarmac-rudder .tarmac-apron h4{
            color: #ffffff;
            font-size: 15px;
            margin-bottom: 16px;
        }

.tarmac-rudder .tarmac-apron-links{
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

.tarmac-rudder .tarmac-apron-links a{
            color: #9da6c0;
            text-decoration: none;
            transition: all 0.35s ease;
        }

.tarmac-rudder .tarmac-apron-links a:hover{
            color: #ffffff;
        }

.tarmac-rudder .tarmac-runway{
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            color: #697393;
            font-size: 13px;
        }