:root {
            --primary: #f84b5f;
            --primary-hover: #e03a4e;
            --primary-light: #fff0f2;
            --accent: #ff6b4a;
            --dark: #1e1b1c;
            --body: #4a4547;
            --bg: #faf8f8;
            --surface: #ffffff;
            --border: #f0e6e7;
            --radius: 22px;
            --shadow: 0 12px 32px rgba(248, 75, 95, 0.08);
            --shadow-hover: 0 20px 40px rgba(248, 75, 95, 0.16);
            --max-width: 1320px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.15s ease;
        }

        /* 顶层外壳 */
        .current {
            width: 100%;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Header & Nav Area */
        .streak {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .airpath {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

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

        .crease img {
            height: 40px;
            width: auto;
            display: block;
        }

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

        .runway-prow,
        .prow {
            padding: 10px 18px;
            border-radius: 99px;
            font-weight: 600;
            font-size: 15px;
            color: var(--body);
            transition: all 0.15s ease;
        }

        .runway-prow:hover,
        .prow:hover,
        .runway-prow.active {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .thrust {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #ffffff;
            font-weight: 700;
            font-size: 15px;
            border-radius: 99px;
            box-shadow: 0 8px 20px rgba(248, 75, 95, 0.25);
            transition: all 0.15s ease;
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

        .thrust:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(248, 75, 95, 0.35);
            color: #ffffff;
        }

        .propel {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background-color: var(--surface);
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            border-radius: 99px;
            border: 2px solid var(--border);
            transition: all 0.15s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .propel:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 主容器 */
        .hangar {
            flex: 1;
            width: 100%;
        }

        /* Section 1: Hero Showcase (split_diagonal Blueprint) */
        .skyward {
            position: relative;
            background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
            padding: 60px 24px 80px;
            overflow: hidden;
        }

        .takeoff {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            min-width: 0;
            gap: 40px;
        }

        .horizon {
            flex: 1 1 540px;
            min-width: 0;
            padding-right: 20px;
        }

        .vista {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            border-radius: 99px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .rudder {
            font-size: clamp(32px, 4vw, 52px);
            font-weight: 900;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .canopy {
            font-size: 18px;
            line-height: 1.8;
            color: var(--body);
            margin-bottom: 32px;
            max-width: 640px;
        }

        .seam {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
            min-width: 0;
        }

        .flutter {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 0;
            min-width: 0;
        }

        .flock {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            min-width: 0;
        }

        .tail {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            color: var(--primary);
        }

        /* Diagonal Image Zone */
        .notch {
            flex: 1 1 500px;
            min-width: 0;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .feather-notch {
            position: relative;
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            clip-path: polygon(8% 0, 100% 0, 92% 100%, 0% 100%);
            background: linear-gradient(135deg, var(--primary-light) 0%, #ffffff 100%);
            padding: 12px;
            transition: transform 0.3s ease;
        }

        .feather-notch:hover {
            transform: scale(1.02);
        }

        .feather {
            width: 100%;
            height: auto;
            display: block;
            border-radius: calc(var(--radius) - 6px);
            object-fit: cover;
        }

        /* Section 2: Privacy Security Panel (article role=proof) */
        .glider {
            max-width: var(--max-width);
            margin: 60px auto;
            padding: 0 24px;
        }

        .origami {
            background-color: var(--surface);
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
            min-width: 0;
        }

        .origami-sub {
            flex: 1 1 480px;
            min-width: 0;
        }

        .origami-media {
            flex: 1 1 480px;
            min-width: 0;
        }

        .origami-media img {
            width: 100%;
            height: auto;
            border-radius: calc(var(--radius) - 4px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.06);
            display: block;
        }

        .sub-rudder {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .sub-canopy {
            font-size: 16px;
            color: var(--body);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .grid-mini {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            min-width: 0;
        }

        .leaflet {
            flex: 1 1 200px;
            min-width: 0;
            background-color: var(--primary-light);
            padding: 20px;
            border-radius: 16px;
            border-left: 4px solid var(--primary);
        }

        .leaflet-rudder {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .leaflet-canopy {
            font-size: 14px;
            color: var(--body);
            line-height: 1.6;
        }

        /* Section 3: Core Features Grid (div role=capability) */
        .airspace {
            max-width: var(--max-width);
            margin: 80px auto;
            padding: 0 24px;
        }

        .airspace-streak {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 50px;
        }

        .origami-notch {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            min-width: 0;
        }

        .origami-box {
            flex: 1 1 340px;
            min-width: 0;
            background-color: var(--surface);
            border-radius: var(--radius);
            padding: 36px 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .origami-box:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(248, 75, 95, 0.3);
        }

        .tail-flick {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-light) 0%, #ffe3e7 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .origami-rudder {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 14px;
        }

        .origami-canopy {
            font-size: 15px;
            color: var(--body);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 20px;
        }

        /* Section 4: Quick Routing Map (aside role=pathway) */
        .thermal {
            background-color: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 80px 24px;
        }

        .thermal-inner {
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .hub-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 40px;
            min-width: 0;
        }

        .hub-flock {
            flex: 1 1 280px;
            min-width: 0;
            background-color: var(--bg);
            border-radius: 18px;
            padding: 28px;
            border: 1px solid var(--border);
            transition: all 0.15s ease;
        }

        .hub-flock:hover {
            background-color: var(--surface);
            box-shadow: 0 10px 24px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .hub-rudder {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hub-desc {
            font-size: 14px;
            color: var(--body);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .hub-prow {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hub-prow:hover {
            gap: 10px;
        }

        /* Quick Info Block */
        .seo-textblock {
            background-color: var(--primary-light);
            border-radius: var(--radius);
            padding: 40px;
            margin-top: 60px;
        }

        .seo-textblock h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .seo-textblock p {
            font-size: 15px;
            color: var(--body);
            line-height: 1.8;
        }

        /* Footer Area */
        .tarmac {
            background-color: var(--dark);
            color: #a8a0a3;
            padding: 60px 24px 40px;
            font-size: 14px;
        }

        .roost {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            min-width: 0;
            margin-bottom: 40px;
        }

        .landing-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .landing-name {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .landing-desc {
            line-height: 1.7;
            max-width: 360px;
        }

        .landing-links {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 0;
        }

        .landing-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 140px;
        }

        .landing-col-head {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }

        .spark {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        /* 响应式断点控制 */
        @media (max-width: 992px) {
            .feather-notch {
                clip-path: none;
            }
        }

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

            .runway {
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 8px;
            }

            .origami {
                padding: 24px;
            }

            .rudder {
                font-size: 30px;
            }

            .seo-textblock {
                padding: 24px;
            }

            .roost {
                flex-direction: column;
            }
        }

.runway-streak{
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #f0e6e7;
        }

.runway-streak .runway-airpath{
            max-width: 1320px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

.runway-streak .runway-crease{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.runway-streak .runway-crease img{
            height: 40px;
            width: auto;
            display: block;
        }

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

.runway-streak .runway-runway-prow{
            padding: 10px 18px;
            border-radius: 99px;
            font-weight: 600;
            font-size: 15px;
            color: #4a4547;
            transition: all 0.15s ease;
        }

.runway-streak .runway-runway-prow:hover, .runway-streak .runway-runway-prow.active{
            color: #f84b5f;
            background-color: #fff0f2;
        }

.runway-streak .runway-thrust{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, #f84b5f 0%, #ff6b4a 100%);
            color: #ffffff;
            font-weight: 700;
            font-size: 15px;
            border-radius: 99px;
            box-shadow: 0 8px 20px rgba(248, 75, 95, 0.25);
            transition: all 0.15s ease;
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

.runway-streak .runway-thrust:hover{
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(248, 75, 95, 0.35);
            color: #ffffff;
        }

.runway-streak .runway-tail{
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            color: #f84b5f;
        }

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

.runway-streak .runway-runway{
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 8px;
            }}

.runway-streak {
    background: rgb(255, 255, 255);
    background-image: none;
}

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

.tarmac-tarmac [role="navigation"],
.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{
            background-color: #1e1b1c;
            color: #a8a0a3;
            padding: 60px 24px 40px;
            font-size: 14px;
        }

.tarmac-tarmac .tarmac-roost{
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            min-width: 0;
            margin-bottom: 40px;
        }

.tarmac-tarmac .tarmac-landing-brand{
            flex: 1 1 300px;
            min-width: 0;
        }

.tarmac-tarmac .tarmac-landing-name{
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }

.tarmac-tarmac .tarmac-landing-desc{
            line-height: 1.7;
            max-width: 360px;
        }

.tarmac-tarmac .tarmac-landing-links{
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 0;
        }

.tarmac-tarmac .tarmac-landing-col{
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 140px;
        }

.tarmac-tarmac .tarmac-landing-col-head{
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }

.tarmac-tarmac .tarmac-spark{
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

@media (max-width: 768px){.tarmac-tarmac .tarmac-roost{
                flex-direction: column;
            }}