:root {
            --cyan-primary: #6adaee;
            --cyan-dark: #0299b8;
            --flame-orange: #ff7139;
            --flame-amber: #ff9400;
            --dark-navy: #0f172a;
            --slate-body: #334155;
            --slate-muted: #64748b;
            --surface-light: #f8fafc;
            --surface-card: #ffffff;
            --border-soft: #e2e8f0;
            --radius-base: 20px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 12px 32px rgba(2, 153, 184, 0.12);
            --transition: all 0.25s ease;
        }

        * {
            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(--surface-light);
            color: var(--slate-body);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 顶部导航区域 (trail) */
        .scout-sheath {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
        }

        .scout-covert {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0.8rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

        .crest img {
            height: 42px;
            width: auto;
            display: block;
        }

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

        .trail-howl {
            text-decoration: none;
            color: var(--slate-body);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1rem;
            border-radius: 12px;
            transition: var(--transition);
            min-width: 0;
        }

        .trail-howl:hover {
            color: var(--cyan-dark);
            background: rgba(106, 218, 238, 0.12);
        }

        .trail-howl.active {
            color: #ffffff;
            background: linear-gradient(135deg, var(--flame-orange), var(--flame-amber));
            box-shadow: 0 4px 12px rgba(255, 113, 57, 0.25);
        }

        /* 主体布局 */
        main {
            max-width: 1320px;
            margin: 0 auto;
            padding: 2rem 1.5rem 4rem;
        }

        /* 1. Hero区 (mosaic_collage 原型) */
        .blaze-covert {
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
            border-radius: var(--radius-base);
            padding: 3.5rem 3rem;
            color: #ffffff;
            margin-bottom: 3rem;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            position: relative;
            overflow: hidden;
        }

        .blaze-covert::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(106, 218, 238, 0.25) 0%, rgba(255, 113, 57, 0.1) 50%, transparent 70%);
            pointer-events: none;
        }

        .blaze-sheath {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
        }

        .blaze-intro {
            flex: 1 1 420px;
            min-width: 0;
            word-break: break-word;
        }

        .blaze-tail {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(106, 218, 238, 0.15);
            border: 1px solid rgba(106, 218, 238, 0.3);
            border-radius: 30px;
            color: var(--cyan-primary);
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
        }

        .blaze-trace {
            font-size: 2.5rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, #ffffff 40%, var(--cyan-primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: normal;
        }

        .blaze-glyph {
            font-size: 1.1rem;
            color: #94a3b8;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .blaze-pounce {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.8rem;
            padding: 1rem 2.2rem;
            background: linear-gradient(135deg, var(--flame-orange), var(--flame-amber));
            color: #ffffff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 14px;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(255, 113, 57, 0.35);
            border: none;
            cursor: pointer;
        }

        .blaze-pounce:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 113, 57, 0.5);
        }

        /* Hero拼贴网格 (mosaic_collage Grid) */
        .mosaic-cluster {
            flex: 1 1 500px;
            min-width: 0;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            grid-template-rows: repeat(8, 45px);
            gap: 12px;
        }

        .mosaic-pelt {
            background: rgba(30, 41, 59, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 1rem;
            backdrop-filter: blur(8px);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .mosaic-pelt:hover {
            border-color: var(--cyan-primary);
            transform: scale(1.02);
        }

        .mosaic-pelt-1 {
            grid-column: 1 / span 7;
            grid-row: 1 / span 5;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.95));
        }

        .mosaic-pelt-2 {
            grid-column: 8 / span 5;
            grid-row: 1 / span 3;
            background: linear-gradient(135deg, rgba(2, 153, 184, 0.25), rgba(15, 23, 42, 0.8));
        }

        .mosaic-pelt-3 {
            grid-column: 8 / span 5;
            grid-row: 4 / span 5;
            background: linear-gradient(135deg, rgba(255, 113, 57, 0.2), rgba(15, 23, 42, 0.8));
        }

        .mosaic-pelt-4 {
            grid-column: 1 / span 7;
            grid-row: 6 / span 3;
        }

        .mosaic-runes {
            width: 38px;
            height: 38px;
            margin-bottom: 0.6rem;
        }

        .mosaic-trace {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.3rem;
        }

        .mosaic-glyph {
            font-size: 0.82rem;
            color: #94a3b8;
            line-height: 1.4;
        }

        /* 2. 自动隐私防护面板 (security_dashboard) */
        .den-covert {
            background: var(--surface-card);
            border-radius: var(--radius-base);
            padding: 3rem 2.5rem;
            margin-bottom: 3rem;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
        }

        .den-fur {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 2.5rem;
        }

        .den-trace {
            font-size: 2rem;
            color: var(--dark-navy);
            font-weight: 800;
            margin-bottom: 0.8rem;
        }

        .den-glyph {
            font-size: 1.05rem;
            color: var(--slate-muted);
        }

        .pelt-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

        .glint-sheath {
            flex: 1 1 500px;
            min-width: 0;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }

        .glint-sheath img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .pelt-stats {
            flex: 1 1 400px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .ember-cub {
            background: var(--surface-light);
            border-radius: 14px;
            padding: 1.2rem 1.5rem;
            border-left: 4px solid var(--cyan-dark);
            transition: var(--transition);
        }

        .ember-cub:hover {
            transform: translateX(6px);
            background: #ffffff;
            box-shadow: var(--shadow-hover);
        }

        .ember-trace {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark-navy);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .ember-glyph {
            font-size: 0.92rem;
            color: var(--slate-muted);
        }

        /* 3. 全能特性区块 (article: feature_grid) */
        article.den-covert {
            background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
        }

        .cluster-mesh {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            margin-top: 2rem;
        }

        .ember-nest {
            flex: 1 1 320px;
            min-width: 0;
            background: #ffffff;
            border-radius: 18px;
            padding: 2rem;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .ember-nest:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--cyan-primary);
        }

        .runes-tail {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(106, 218, 238, 0.15), rgba(2, 153, 184, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
        }

        .runes-tail svg {
            width: 26px;
            height: 26px;
            fill: var(--cyan-dark);
        }

        .ember-head {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark-navy);
            margin-bottom: 0.6rem;
        }

        .ember-body {
            font-size: 0.95rem;
            color: var(--slate-muted);
            line-height: 1.65;
        }

        /* 4. 开启自主可控旅程 (div: quick_start) */
        div.den-covert {
            background: linear-gradient(135deg, var(--dark-navy) 0%, #1e293b 100%);
            color: #ffffff;
            text-align: center;
            padding: 3.5rem 2rem;
            position: relative;
        }

        .quick-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            margin: 2.5rem 0;
        }

        .step-ember {
            flex: 1 1 250px;
            max-width: 320px;
            min-width: 0;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 1.8rem 1.2rem;
            text-align: center;
        }

        .step-num {
            display: inline-block;
            width: 36px;
            height: 36px;
            line-height: 36px;
            border-radius: 50%;
            background: var(--flame-orange);
            color: #ffffff;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .step-trace {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .step-desc {
            font-size: 0.9rem;
            color: #94a3b8;
        }

        /* 5. 站内重点主题 (aside: site_paths) */
        aside.den-covert {
            margin-bottom: 3rem;
        }

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

        .path-ember {
            flex: 1 1 280px;
            min-width: 0;
            background: var(--surface-card);
            border-radius: 16px;
            padding: 1.6rem;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .path-ember:hover {
            border-color: var(--cyan-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .path-trace {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark-navy);
            margin-bottom: 0.6rem;
        }

        .path-summary {
            font-size: 0.92rem;
            color: var(--slate-muted);
            margin-bottom: 1.2rem;
            line-height: 1.6;
        }

        .path-howl {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--cyan-dark);
            font-weight: 700;
            text-decoration: none;
            font-size: 0.95rem;
        }

        .path-howl:hover {
            color: var(--flame-orange);
        }

        /* 页脚区域 (burrow) */
        .burrow-sheath {
            background: var(--dark-navy);
            color: #94a3b8;
            padding: 3.5rem 1.5rem 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .burrow-covert {
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: space-between;
        }

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

        .burrow-brand-trace {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }

        .burrow-brand-desc {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .burrow-links {
            flex: 2 1 600px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-around;
        }

        .burrow-column {
            min-width: 140px;
        }

        .burrow-head {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .burrow-litter {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .burrow-howl {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .burrow-howl:hover {
            color: var(--cyan-primary);
        }

        .burrow-bottom {
            max-width: 1320px;
            margin: 2.5rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .mosaic-cluster {
                grid-template-rows: repeat(8, 40px);
            }
        }

        @media (max-width: 768px) {
            .scout-covert {
                flex-direction: column;
                gap: 1rem;
            }
            .blaze-covert {
                padding: 2rem 1.5rem;
            }
            .blaze-trace {
                font-size: 1.8rem;
            }
            .mosaic-cluster {
                display: flex;
                flex-direction: column;
            }
            .den-covert {
                padding: 2rem 1.2rem;
            }
            .pelt-grid {
                flex-direction: column;
            }
        }

.trail-scout-sheath{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
        }

.trail-scout-sheath .trail-scout-covert{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0.8rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

.trail-scout-sheath .trail-crest img{
            height: 42px;
            width: auto;
            display: block;
        }

.trail-scout-sheath .trail-scout-litter{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }

.trail-scout-sheath .trail-trail-howl{
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1rem;
            border-radius: 12px;
            transition: all 0.25s ease;
            min-width: 0;
        }

.trail-scout-sheath .trail-trail-howl:hover{
            color: #0299b8;
            background: rgba(106, 218, 238, 0.12);
        }

.trail-scout-sheath .trail-trail-howl.active{
            color: #ffffff;
            background: linear-gradient(135deg, #ff7139, #ff9400);
            box-shadow: 0 4px 12px rgba(255, 113, 57, 0.25);
        }

@media (max-width: 768px){.trail-scout-sheath .trail-scout-covert{
                flex-direction: column;
                gap: 1rem;
            }}

.trail-scout-sheath {
    background: rgb(255, 255, 255);
    background-image: none;
}

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

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

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

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

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

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

.burrow-burrow-sheath{
            background: #0f172a;
            color: #94a3b8;
            padding: 3.5rem 1.5rem 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

.burrow-burrow-sheath .burrow-burrow-covert{
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: space-between;
        }

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

.burrow-burrow-sheath .burrow-burrow-brand-trace{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }

.burrow-burrow-sheath .burrow-burrow-brand-desc{
            font-size: 0.9rem;
            line-height: 1.6;
        }

.burrow-burrow-sheath .burrow-burrow-links{
            flex: 2 1 600px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-around;
        }

.burrow-burrow-sheath .burrow-burrow-column{
            min-width: 140px;
        }

.burrow-burrow-sheath .burrow-burrow-head{
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.burrow-burrow-sheath .burrow-burrow-litter{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

.burrow-burrow-sheath .burrow-burrow-howl{
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }

.burrow-burrow-sheath .burrow-burrow-howl:hover{
            color: #6adaee;
        }

.burrow-burrow-sheath .burrow-burrow-bottom{
            max-width: 1320px;
            margin: 2.5rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.85rem;
        }