/* ==========================================================================
           Foundation Variables & Reset
           ========================================================================== */
        :root {
            --primary: #f6dd61;
            --primary-hover: #e5c942;
            --primary-light: rgba(246, 221, 97, 0.15);
            --text-main: #333847;
            --text-muted: #646a7c;
            --bg-page: #fdfcf9;
            --bg-surface: #ffffff;
            --bg-alt: #f5f4ef;
            --radius-sm: 8px;
            --radius: 16px;
            --shadow-sm: 0 2px 8px rgba(26, 28, 35, 0.04);
            --shadow-md: 0 8px 24px rgba(26, 28, 35, 0.06);
            --shadow-hover: 0 12px 32px rgba(26, 28, 35, 0.1);
            --transition: all 0.35s ease;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            min-width: 0; /* Flexbox safety */
        }

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.6;
            word-break: break-word;
            overflow-wrap: break-word;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* ==========================================================================
           Layout Shells & Tunnels (Containers)
           ========================================================================== */
        .tunnel {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation Shell (Mandatory Replication) */
        .crest-shell {
            background: rgba(253, 252, 249, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .crest {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: wrap; /* Flex wrap rule */
        }

        .core {
            display: flex;
            align-items: center;
        }

        .core img {
            height: 32px;
        }

        .chain {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .wire {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
        }

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

        .wire.active {
            font-weight: 700;
            position: relative;
        }

        .wire.active::after {
            content: '';
            position: absolute;
            bottom: -25px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        /* ==========================================================================
           Typography & Bites
           ========================================================================== */
        .apex-huge {
            font-size: clamp(36px, 5vw, 48px);
            line-height: 1.15;
            color: #1a1c23;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin: 0 0 24px 0;
            white-space: normal;
        }

        .apex-large {
            font-size: clamp(28px, 4vw, 36px);
            line-height: 1.25;
            color: #1a1c23;
            font-weight: 700;
            margin: 0 0 16px 0;
            white-space: normal;
        }

        .apex-medium {
            font-size: 22px;
            line-height: 1.3;
            font-weight: 700;
            margin: 0 0 12px 0;
        }

        .byte-lead {
            font-size: clamp(18px, 2vw, 20px);
            color: var(--text-muted);
            margin: 0 0 32px 0;
            word-break: keep-all;
        }

        .byte-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ==========================================================================
           Interactive Components (Pings & Syncs)
           ========================================================================== */
        .ping {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            gap: 10px;
            transform: translateY(0);
        }

        .ping:hover {
            transform: translateY(-2px);
        }

        .ping-primary {
            background-color: var(--primary);
            color: #1a1c23;
            box-shadow: 0 4px 12px rgba(246, 221, 97, 0.3);
        }

        .ping-primary:hover {
            background-color: var(--primary-hover);
            box-shadow: 0 6px 16px rgba(246, 221, 97, 0.4);
        }

        .ping-outline {
            background-color: transparent;
            border-color: rgba(26, 28, 35, 0.1);
            color: #1a1c23;
        }

        .ping-outline:hover {
            border-color: #1a1c23;
            background-color: rgba(26, 28, 35, 0.02);
        }

        /* ==========================================================================
           Page Specific Shells (Sections)
           ========================================================================== */
        
        /* Acquire Section (Hero Variant) */
        .warp-shell {
            background: linear-gradient(180deg, rgba(246, 221, 97, 0.08) 0%, var(--bg-page) 100%);
            padding-top: clamp(60px, 8vw, 100px);
            padding-bottom: clamp(60px, 8vw, 100px);
            position: relative;
            overflow: hidden;
        }

        .mesh-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .shell-pool {
            flex: 1 1 450px;
            min-width: 0;
            position: relative;
            z-index: 2;
        }

        .optic-pool {
            flex: 1 1 500px;
            min-width: 0;
            position: relative;
        }

        .optic-pool::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 100%;
            height: 100%;
            background: var(--primary-light);
            border-radius: var(--radius);
            z-index: 0;
            transform: rotate(3deg);
        }

        .optic-tunnel {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 1;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .optic-pool:hover .optic-tunnel {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .band-status {
            display: inline-flex;
            align-items: center;
            background: var(--bg-surface);
            padding: 8px 16px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 32px;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .dot-pulse {
            width: 10px;
            height: 10px;
            background-color: #22c55e;
            border-radius: 50%;
            margin-right: 10px;
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
        }

        .byte-status {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* Comparison Section (Article) */
        .flare-shell {
            padding: 80px 0;
            background-color: var(--bg-page);
        }

        .apex-pool {
            text-align: center;
            max-width: 650px;
            margin: 0 auto 64px auto;
        }

        .mesh-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 64px;
        }

        .node {
            flex: 1 1 350px;
            min-width: 0;
            background: var(--bg-surface);
            border-radius: var(--radius);
            padding: 40px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.04);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .node:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .node-featured {
            border: 2px solid var(--primary);
            box-shadow: 0 8px 24px rgba(246, 221, 97, 0.15);
        }

        .node-featured::before {
            content: '新手推荐';
            position: absolute;
            top: 16px;
            right: -32px;
            background: var(--primary);
            color: #1a1c23;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 32px;
            transform: rotate(45deg);
        }

        .node-crest {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding-bottom: 24px;
        }

        .dot-flag {
            width: 56px;
            height: 56px;
            background: var(--bg-alt);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .node-featured .dot-flag {
            background: var(--primary-light);
        }

        .mesh-chain {
            list-style: none;
            padding: 0;
            margin: 0 0 32px 0;
            flex-grow: 1;
        }

        .blip {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 15px;
            color: var(--text-muted);
        }

        .blip svg {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            fill: #22c55e;
            margin-top: 2px;
        }

        /* Info & Media Mixed area */
        .mesh-info {
            display: flex;
            flex-wrap: wrap;
            background: var(--bg-surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.04);
            overflow: hidden;
            align-items: stretch;
        }

        .packet-info {
            flex: 1 1 400px;
            min-width: 0;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .optic-pool-small {
            flex: 1 1 300px;
            min-width: 0;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }
        
        .optic-pool-small img {
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            max-height: 250px;
            object-fit: cover;
        }

        /* Requirements Section (Aside) */
        .beam-shell {
            padding: 80px 0;
            background-color: var(--bg-alt);
            border-top: 1px solid rgba(0,0,0,0.03);
        }

        .mesh-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .packet {
            background: var(--bg-surface);
            padding: 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0,0,0,0.02);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: var(--transition);
        }

        .packet:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .packet-dot {
            width: 40px;
            height: 40px;
            background: var(--bg-page);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* Footer Shell */
        .vault-shell {
            background: #ffffff;
            padding: 60px 0 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .mesh-tail {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
        }

        .term-brand {
            font-size: 24px;
            font-weight: 800;
            color: #1a1c23;
            letter-spacing: -0.5px;
        }

        .term-links {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .term-links a {
            color: var(--text-muted);
            font-size: 14px;
        }

        .term-links a:hover {
            color: var(--primary-hover);
        }

        .term-byte {
            width: 100%;
            text-align: center;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(0,0,0,0.05);
            font-size: 14px;
            color: #8c92a4;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .crest {
                height: auto;
                padding: 16px 0;
                justify-content: center;
                gap: 16px;
            }
            .chain {
                justify-content: center;
                gap: 16px;
            }
            .optic-pool::before {
                display: none;
            }
            .mesh-info {
                flex-direction: column;
            }
            .packet-info {
                padding: 24px;
            }
            .mesh-tail {
                flex-direction: column;
                text-align: center;
            }
        }

.route-crest-shell {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
}
.route-crest-shell,
.route-crest-shell *,
.route-crest-shell *::before,
.route-crest-shell *::after {
    box-sizing: border-box;
}

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

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

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

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

.route-crest-shell a.route-wire {
    --aisite-shell-nav-padding: 8px 16px;
    --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;
}

.route-crest-shell a.route-wire,
.route-crest-shell a.route-wire:hover,
.route-crest-shell a.route-wire:focus,
.route-crest-shell a.route-wire:active,
.route-crest-shell a.route-wire.active,
.route-crest-shell a.route-wire[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);
}

.route-crest-shell .route-wire{
            word-break: break-word;
            overflow-wrap: break-word;
        }

.route-crest-shell .route-tunnel{
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

.route-crest-shell .route-chain, .route-crest-shell .route-crest{
            display: flex;
            flex-wrap: wrap;
        }

.route-crest-shell .route-chain > *, .route-crest-shell .route-crest > *{
            min-width: 0;
        }

.route-crest-shell{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(253, 252, 249, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.03);
        }

.route-crest-shell .route-crest{
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

.route-crest-shell .route-core{
            display: flex;
            align-items: center;
        }

.route-crest-shell .route-core img{
            height: 32px;
            width: auto;
            display: block;
        }

.route-crest-shell .route-chain{
            gap: 8px;
            align-items: center;
        }

.route-crest-shell .route-wire{
            text-decoration: none;
            color: #333847;
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.35s ease;
        }

.route-crest-shell .route-wire:hover, .route-crest-shell .route-wire:focus{
            background-color: rgba(246, 221, 97, 0.15);
            color: #1a1c23;
        }

.route-crest-shell .route-wire.active{
            background-color: #f6dd61;
            color: #1a1c23;
        }

@media (max-width: 768px){.route-crest-shell .route-crest{
                flex-direction: column;
                height: auto;
                padding: 16px 0;
                gap: 16px;
            }

.route-crest-shell .route-chain{
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }}

.route-crest-shell {
    background: rgb(253, 252, 249);
    background-image: none;
}

.vault-tail {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
}
.vault-tail,
.vault-tail *,
.vault-tail *::before,
.vault-tail *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.vault-tail .vault-byte, .vault-tail .vault-apex, .vault-tail .vault-term{
            word-break: break-word;
            overflow-wrap: break-word;
        }

.vault-tail .vault-byte{
            word-break: keep-all; 
        }

.vault-tail .vault-apex{
            white-space: normal;
        }

.vault-tail .vault-tunnel{
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

.vault-tail .vault-vault{
            display: flex;
            flex-wrap: wrap;
        }

.vault-tail .vault-vault > *{
            min-width: 0;
        }

.vault-tail{
            background-color: #1a1c23;
            color: #ffffff;
            padding: 80px 0 40px;
        }

.vault-tail .vault-vault{
            justify-content: space-between;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            margin-bottom: 32px;
        }

.vault-tail .vault-vault-brand{
            flex: 1;
            min-width: 250px;
            max-width: 400px;
        }

.vault-tail .vault-vault-brand .vault-apex{
            font-size: 28px;
            font-weight: 800;
            color: #f6dd61;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

.vault-tail .vault-vault-brand .vault-byte{
            color: rgba(255,255,255,0.6);
            font-size: 14px;
        }

.vault-tail .vault-vault-links{
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

.vault-tail .vault-vault-col{
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-width: 120px;
        }

.vault-tail .vault-vault-col .vault-apex{
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }

.vault-tail .vault-term{
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }

.vault-tail .vault-term:hover, .vault-tail .vault-term:focus{
            color: #f6dd61;
        }

.vault-tail .vault-vault-bottom{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: rgba(255,255,255,0.4);
            font-size: 13px;
        }

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

.vault-tail .vault-vault-links{
                gap: 32px;
            }}