:root {
            /* 视觉家族契约变量 */
            --color-bg: #090a10;
            --color-bg-alt: #121420;
            --color-primary: #2f34d1;
            --color-primary-light: #5257f5;
            --color-primary-glow: rgba(47, 52, 209, 0.3);
            --color-text-main: #f1f5f9;
            --color-text-muted: #94a3b8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-focus: rgba(82, 87, 245, 0.4);
            --color-vault-bg: rgba(255, 255, 255, 0.02);
            --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --transition-base: 0.15s ease;
            --shadow-base: 0 4px 20px rgba(0, 0, 0, 0.2);
            --shadow-glow: 0 4px 14px var(--color-primary-glow);
            
            /* 状态颜色 */
            --color-success: #10b981;
            --color-success-bg: rgba(16, 185, 129, 0.1);
            --color-warning: #f59e0b;
        }

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

        body {
            background-color: var(--color-bg);
            color: var(--color-text-main);
            font-family: var(--font-sans);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        /* --- 强制 Flex/Grid 规则与换行 --- */
        .cluster-flex {
            display: flex;
            flex-wrap: wrap;
        }
        .cluster-flex > * {
            min-width: 0;
        }
        .cipher {
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
        }
        .apex {
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
        }

        /* --- 布局容器 --- */
        .tube-bound {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        /* --- 导航栏复用样式 (精确匹配提供结构) --- */
        .crown-helm {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(9, 10, 16, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            padding: 1rem 0;
        }
        .helm-layout {
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }
        .sigil-mark img {
            height: 32px;
            width: auto;
            display: block;
        }
        .route-mesh {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }
        .route-wire {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
        }
        .route-wire:hover,
        .route-wire.active {
            color: var(--color-text-main);
        }
        .route-wire.active {
            position: relative;
        }
        .route-wire.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }
        .pulse-key {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }
        .pulse-primary {
            background-color: var(--color-primary);
            color: #fff;
            border: 1px solid transparent;
            box-shadow: var(--shadow-glow);
        }
        .pulse-primary:hover {
            background-color: var(--color-primary-light);
            transform: translateY(-1px);
        }

        /* --- 页面区块通用样式 --- */
        .zone-mantle {
            padding: calc(clamp(3rem, 6vw, 6rem)) 0;
        }
        .zone-mantle-alt {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        /* --- 1. 构建无界骨干网络 (Hero Intro) --- */
        .intro-stage {
            position: relative;
            overflow: hidden;
            padding-top: clamp(5rem, 10vw, 8rem);
            padding-bottom: clamp(4rem, 8vw, 6rem);
        }
        .intro-stage::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        .intro-cluster {
            position: relative;
            z-index: 1;
            align-items: center;
            gap: 4rem;
        }
        .intro-cipher-mantle {
            flex: 1 1 500px;
        }
        .aura-apex {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            color: #fff;
        }
        .aura-apex span {
            color: var(--color-primary-light);
        }
        .intro-cipher {
            font-size: clamp(1.125rem, 2vw, 1.25rem);
            color: var(--color-text-muted);
            max-width: 600px;
            margin-bottom: 2.5rem;
        }
        .intro-visual-mantle {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .mesh-glyph {
            width: 100%;
            max-width: 480px;
            height: auto;
            filter: drop-shadow(0 0 20px rgba(47, 52, 209, 0.2));
        }

        /* --- 2. 美洲高防专线区 (US Nodes Detail) --- */
        .detail-stage {
            /* Inherits .zone-mantle-alt */
        }
        .tube-apex {
            font-size: clamp(2rem, 4vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 1rem;
            text-align: center;
        }
        .tube-cipher {
            text-align: center;
            color: var(--color-text-muted);
            max-width: 700px;
            margin: 0 auto 4rem;
        }
        .vault-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }
        .node-vault {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .node-vault:hover {
            border-color: var(--color-border-focus);
            transform: translateY(-4px);
            box-shadow: var(--shadow-base);
        }
        .vault-crown {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }
        .vault-apex {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-main);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .flag-glyph {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-vault-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
        }
        .status-seal {
            font-size: 0.75rem;
            padding: 0.25rem 0.6rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        .seal-premium {
            background: rgba(82, 87, 245, 0.1);
            color: var(--color-primary-light);
            border: 1px solid rgba(82, 87, 245, 0.2);
        }
        .vault-specs {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .spec-blip {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }
        .spec-value {
            color: var(--color-text-main);
            font-family: monospace;
            font-size: 0.95rem;
        }
        .load-belt-mantle {
            width: 100%;
            height: 4px;
            background: var(--color-vault-bg);
            border-radius: 2px;
            overflow: hidden;
            margin-top: 0.5rem;
        }
        .load-belt-core {
            height: 100%;
            background: var(--color-text-muted);
            border-radius: 2px;
        }
        .load-belt-safe {
            background: var(--color-success);
        }

        /* --- 3. 亚太低延迟枢纽 (Asia Nodes Proof - Article) --- */
        .proof-stage {
            /* Inherits .zone-mantle */
        }
        .cell-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            background: var(--color-vault-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
        }
        .node-cell {
            display: grid;
            grid-template-columns: minmax(180px, 2fr) 1fr 1fr 1fr;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .node-cell:hover {
            border-color: var(--color-primary);
            background: rgba(47, 52, 209, 0.05);
        }
        .cell-apex {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .cell-data {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        .cell-data span {
            color: var(--color-text-main);
            font-weight: 500;
        }
        .seal-success {
            background: var(--color-success-bg);
            color: var(--color-success);
            border: 1px solid rgba(16, 185, 129, 0.2);
            display: inline-flex;
            width: fit-content;
        }

        /* --- 4. 节点负载均衡机制 (Info Closing - Div) --- */
        .closing-stage {
            /* Inherits .zone-mantle-alt */
        }
        .info-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }
        .logic-blip {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .logic-glyph {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-vault-bg);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-light);
        }
        .logic-apex {
            font-size: 1.125rem;
            font-weight: 600;
        }
        .logic-cipher {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        /* --- 页脚区域 --- */
        .sole-anchor {
            background-color: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 4rem 0 2rem;
            margin-top: auto;
        }
        .sole-cluster {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .sole-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-main);
            margin-bottom: 1rem;
            display: block;
        }
        .sole-cipher {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            max-width: 300px;
        }
        .sole-mesh {
            display: flex;
            gap: 4rem;
            flex-wrap: wrap;
        }
        .sole-column {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .sole-apex {
            font-weight: 600;
            color: var(--color-text-main);
            margin-bottom: 0.5rem;
        }
        .sole-wire {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .sole-wire:hover {
            color: var(--color-primary-light);
        }
        .sole-root {
            border-top: 1px solid var(--color-border);
            padding-top: 2rem;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        /* --- 响应式断点 --- */
        @media (max-width: 1024px) {
            .intro-cluster {
                flex-direction: column;
                text-align: center;
            }
            .intro-cipher {
                margin: 0 auto 2.5rem;
            }
            .route-mesh {
                display: none; /* 移动端导航简化处理，保持HTML结构纯净 */
            }
        }
        @media (max-width: 768px) {
            .node-cell {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            .cell-apex {
                border-bottom: 1px solid var(--color-border);
                padding-bottom: 0.75rem;
            }
            .sole-mesh {
                flex-direction: column;
                gap: 2rem;
            }
        }

.helm-crown-helm {
    font-family: var(--font-sans);
    line-height: 1.6;
    word-break: break-word;
    color: var(--color-text-main);
}
.helm-crown-helm,
.helm-crown-helm *,
.helm-crown-helm *::before,
.helm-crown-helm *::after {
    box-sizing: border-box;
}

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

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

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

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

.helm-crown-helm a.helm-route-wire {
    --aisite-shell-nav-padding: 0.5rem 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;
}

.helm-crown-helm a.helm-route-wire,
.helm-crown-helm a.helm-route-wire:hover,
.helm-crown-helm a.helm-route-wire:focus,
.helm-crown-helm a.helm-route-wire:active,
.helm-crown-helm a.helm-route-wire.active,
.helm-crown-helm a.helm-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);
}

.helm-crown-helm .helm-cluster-flex{
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

.helm-crown-helm .helm-tube-bound{
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            padding-left: clamp(1rem, 4vw, 2rem);
            padding-right: clamp(1rem, 4vw, 2rem);
        }

.helm-crown-helm{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(9, 10, 16, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 0;
        }

.helm-crown-helm .helm-helm-layout{
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

.helm-crown-helm .helm-sigil-mark{
            display: flex;
            align-items: center;
            height: 32px;
        }

.helm-crown-helm .helm-sigil-mark img{
            height: 100%;
            object-fit: contain;
        }

.helm-crown-helm .helm-route-mesh{
            display: flex;
            gap: 2rem;
            align-items: center;
        }

.helm-crown-helm .helm-route-wire{
            font-size: 0.95rem;
            font-weight: 500;
            color: #94a3b8;
            padding: 0.5rem 0;
            position: relative;
        }

.helm-crown-helm .helm-route-wire:hover{
            color: #f1f5f9;
        }

.helm-crown-helm .helm-route-wire.active{
            color: #f1f5f9;
        }

.helm-crown-helm .helm-route-wire.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #2f34d1;
            border-radius: 2px;
        }

@media (max-width: 768px){.helm-crown-helm .helm-route-mesh{
                display: none; 
            }}

.helm-crown-helm .helm-pulse-key{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 1.75rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            border: 1px solid transparent;
            gap: 0.5rem;
        }

.helm-crown-helm .helm-pulse-primary{
            background-color: #2f34d1;
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 52, 209, 0.3);
        }

.helm-crown-helm .helm-pulse-primary:hover{
            background-color: #5257f5;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(47, 52, 209, 0.3);
        }

.helm-crown-helm {
    background: rgb(9, 10, 16);
    background-image: none;
}

.anchor-sole-anchor {
    font-family: var(--font-sans);
    line-height: 1.6;
    word-break: break-word;
    color: var(--color-text-main);
}
.anchor-sole-anchor,
.anchor-sole-anchor *,
.anchor-sole-anchor *::before,
.anchor-sole-anchor *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.anchor-sole-anchor .anchor-cluster-flex{
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

.anchor-sole-anchor .anchor-tube-bound{
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            padding-left: clamp(1rem, 4vw, 2rem);
            padding-right: clamp(1rem, 4vw, 2rem);
        }

.anchor-sole-anchor{
            background: #050608;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4rem 0 2rem;
            margin-top: auto;
        }

.anchor-sole-anchor .anchor-base-cluster{
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 4rem;
            margin-bottom: 3rem;
        }

@media (max-width: 768px){.anchor-sole-anchor .anchor-base-cluster{
                grid-template-columns: 1fr;
                gap: 2rem;
            }}

.anchor-sole-anchor .anchor-root-brand{
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 1rem;
        }

.anchor-sole-anchor .anchor-root-cipher{
            color: #94a3b8;
            font-size: 0.9rem;
            max-width: 400px;
        }

.anchor-sole-anchor .anchor-root-apex{
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            white-space: normal;
        }

.anchor-sole-anchor .anchor-cluster-links{
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

.anchor-sole-anchor .anchor-root-wire{
            color: #94a3b8;
            font-size: 0.9rem;
        }

.anchor-sole-anchor .anchor-root-wire:hover{
            color: #5257f5;
        }

.anchor-sole-anchor .anchor-base-legal{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #94a3b8;
            font-size: 0.85rem;
        }