:root {
            --bg: #09090b;
            --surface: #121214;
            --surface-hover: #18181b;
            --surface-glass: rgba(18, 18, 20, 0.6);
            --primary: #d44b3e;
            --primary-glow: rgba(212, 75, 62, 0.25);
            --text: #f4f4f5;
            --text-muted: #a1a1aa;
            --text-dark: #71717a;
            --radius: 8px;
            --radius-lg: 12px;
            --border: #27272a;
            --border-light: rgba(255, 255, 255, 0.05);
            --transition: 0.35s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        /* typography */
        .apex {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.1;
            color: var(--text);
            white-space: normal;
        }

        .apex-1 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.2;
            color: var(--text);
            white-space: normal;
        }

        .apex-2 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text);
            white-space: normal;
        }

        .cipher {
            font-size: 1.125rem;
            color: var(--text-muted);
            word-break: break-word;
            overflow-wrap: break-word;
            max-width: 65ch;
        }

        .cipher-sm {
            font-size: 0.875rem;
            color: var(--text-dark);
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* 强制导航结构复用 */
        .brow {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(9, 9, 11, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .hull {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
            flex-wrap: wrap;
        }

        .hull > * {
            min-width: 0;
        }

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

        .glyph img {
            height: 24px;
            width: auto;
            display: block;
        }

        .route {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .route > * {
            min-width: 0;
        }

        .wire {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        /* Main structure */
        .tunnel {
            padding-top: 6rem;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            gap: 6rem;
            padding-bottom: 6rem;
        }

        /* Block generic */
        .veil-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }

        /* 1. Hero / Intro Section */
        .portal {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .portal .apex {
            background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* 2. Pricing Aside */
        .nexus {
            position: relative;
        }

        .nexus::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80vw;
            height: 80vw;
            max-width: 800px;
            max-height: 800px;
            background: radial-gradient(circle, var(--primary-glow) 0%, rgba(9,9,11,0) 70%);
            z-index: -1;
            pointer-events: none;
        }

        .nexus-head {
            text-align: center;
            margin-bottom: 4rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }

        .cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            align-items: stretch;
        }

        .vault {
            background: var(--surface-glass);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3), inset 0 1px 0 var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
            overflow: hidden;
        }

        .vault:hover {
            transform: translateY(-5px);
            box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5), inset 0 1px 0 var(--border-light);
            border-color: #3f3f46;
        }

        .vault-highlight {
            border-color: var(--primary);
            background: linear-gradient(180deg, rgba(212, 75, 62, 0.05) 0%, rgba(18, 18, 20, 0.8) 100%);
            box-shadow: 0 0 0 1px var(--primary), 0 25px 50px -12px rgba(212, 75, 62, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        
        .vault-highlight:hover {
            border-color: var(--primary);
            box-shadow: 0 0 0 1px var(--primary), 0 30px 60px -15px rgba(212, 75, 62, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .band {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 1rem;
            border-bottom-left-radius: var(--radius);
            border-bottom-right-radius: var(--radius);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .vault-tier {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .vault-price {
            display: flex;
            align-items: baseline;
            gap: 0.25rem;
        }

        .vault-price .currency {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text);
        }

        .vault-price .amount {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        .vault-price .period {
            font-size: 1rem;
            color: var(--text-muted);
        }

        .vault-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            flex-grow: 1;
        }

        .vault-features li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .vault-features .rune {
            flex-shrink: 0;
            width: 1.25rem;
            height: 1.25rem;
            color: var(--primary);
            margin-top: 0.125rem;
        }

        .key {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            text-align: center;
        }

        .key-primary {
            background-color: var(--primary);
            color: #fff;
        }

        .key-primary:hover, .key-primary:focus {
            background-color: #b93f34;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -10px var(--primary-glow);
        }

        .key-secondary {
            background-color: var(--surface);
            color: var(--text);
            border: 1px solid var(--border);
        }

        .key-secondary:hover, .key-secondary:focus {
            background-color: var(--surface-hover);
            border-color: #3f3f46;
        }

        /* 3. Payment Section */
        .gate {
            border-top: 1px solid var(--border);
            padding-top: 6rem;
        }

        .gate-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .node {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.25rem;
            transition: border-color var(--transition), background var(--transition);
        }

        .node:hover {
            border-color: #3f3f46;
            background: var(--surface-hover);
        }

        .node .rune-veil {
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .node .rune {
            width: 1.75rem;
            height: 1.75rem;
            color: var(--text);
        }

        /* 4. Guarantee Article */
        .veil {
            background: linear-gradient(to bottom, transparent, rgba(212, 75, 62, 0.03));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 4rem 0;
            margin-top: 2rem;
        }

        .veil-veil {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .shield-rune {
            width: 4rem;
            height: 4rem;
            color: var(--primary);
            filter: drop-shadow(0 10px 15px var(--primary-glow));
        }

        /* Footer */
        .crypt {
            border-top: 1px solid var(--border);
            padding: 4rem 0 2rem;
            background: var(--bg);
        }

        .crypt-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .crypt-grid > * {
            min-width: 0;
        }

        .brand-col {
            flex: 1 1 300px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .brand-cipher {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .anchor-cluster {
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
        }

        .anchor-cluster > * {
            min-width: 0;
        }

        .anchor-col {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .anchor-col .apex-2 {
            font-size: 0.875rem;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .anchor-col a {
            font-size: 0.875rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .anchor-col a:hover, .anchor-col a:focus {
            color: var(--text);
        }

        .crypt-bottom {
            padding-top: 2rem;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .crypt-bottom > * {
            min-width: 0;
        }

        /* Media Queries */
        @media (max-width: 1024px) {
            .cluster {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .route {
                display: none; /* 移动端简化，实际项目中需配合JS实现菜单展开 */
            }
            .tunnel {
                padding-top: 5rem;
                gap: 4rem;
            }
            .cluster {
                grid-template-columns: 1fr;
            }
            .gate-grid {
                grid-template-columns: 1fr;
            }
            .anchor-cluster {
                gap: 2rem;
                flex-direction: column;
            }
        }

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

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

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

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

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

.route-brow a.route-wire {
    --aisite-shell-nav-padding: 0;
    --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-brow a.route-wire,
.route-brow a.route-wire:hover,
.route-brow a.route-wire:focus,
.route-brow a.route-wire:active,
.route-brow a.route-wire.active,
.route-brow 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-brow .route-route{
            display: flex;
            flex-wrap: wrap;
        }

.route-brow .route-route > *{
            min-width: 0;
        }

.route-brow .route-hull{
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

.route-brow{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(9, 9, 11, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #27272a;
            padding: 1rem 0;
        }

.route-brow .route-hull{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

.route-brow .route-glyph img{
            height: 32px;
            width: auto;
            display: block;
        }

.route-brow .route-index{
            gap: 2rem;
            align-items: center;
        }

.route-brow .route-wire{
            color: #a1a1aa;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: 0.35s ease;
        }

.route-brow .route-wire:hover, .route-brow .route-wire.active{
            color: #f4f4f5;
        }

.route-brow .route-wire.active{
            position: relative;
        }

.route-brow .route-wire.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d44b3e;
            border-radius: 2px;
        }

@media (max-width: 768px){.route-brow .route-index{ display: none;  }}

.route-brow {
    background: rgb(9, 9, 11);
    background-image: none;
}

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

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

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

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

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

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

.crypt-heel .crypt-cipher{
            color: #a1a1aa;
        }

.crypt-heel .crypt-hull{
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

.crypt-heel .crypt-wire{
            color: #a1a1aa;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: 0.35s ease;
        }

.crypt-heel .crypt-wire:hover, .crypt-heel .crypt-wire.active{
            color: #f4f4f5;
        }

.crypt-heel .crypt-wire.active{
            position: relative;
        }

.crypt-heel .crypt-wire.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d44b3e;
            border-radius: 2px;
        }

.crypt-heel{
            border-top: 1px solid #27272a;
            padding: 4rem 0 2rem;
            background: #09090b;
        }

.crypt-heel .crypt-crypt{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }

.crypt-heel .crypt-crypt-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #f4f4f5;
            letter-spacing: -0.02em;
        }

.crypt-heel .crypt-crypt-links{
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }