/* 基础变量与重置 */
        :root {
            --bg-core: #050608;
            --bg-surface: #0d1017;
            --bg-elevated: #151923;
            --primary: #851af6;
            --primary-glow: rgba(133, 26, 246, 0.4);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --border: #232836;
            --radius-lg: 24px;
            --radius-md: 16px;
            --transition: all 0.25s ease;
            --max-width: 1320px;
        }

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

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

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

        /* Flex & Grid 强制规则 */
        .pack {
            display: flex;
            flex-wrap: wrap;
        }

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

        .tunnel {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 5vw;
            padding-right: 5vw;
        }

        /* 顶部区域 (Header/Nav) */
        .crown {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 6, 8, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .steer {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-width: 0;
        }

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

        .seal img {
            height: 32px;
            width: auto;
        }

        .mesh {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            min-width: 0;
        }

        .mesh-wire {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 8px;
        }

        .mesh-wire:hover,
        .mesh-wire.active {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }

        .mesh-wire.active {
            color: var(--primary);
        }

        /* 按钮组件 */
        .warp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background: linear-gradient(135deg, #a14cfb, var(--primary));
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 8px 20px var(--primary-glow);
            cursor: pointer;
        }

        .warp:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(133, 26, 246, 0.6);
            background: linear-gradient(135deg, #b570fb, #9333f7);
        }

        .warp-ghost {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--text-main);
            box-shadow: none;
        }
        
        .warp-ghost:hover {
            background: rgba(133, 26, 246, 0.1);
            box-shadow: 0 4px 15px var(--primary-glow);
        }

        /* 通用排版 */
        .apex-mega {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--text-main);
            white-space: normal;
            margin-bottom: 24px;
        }

        .apex-mega span {
            background: linear-gradient(135deg, #fff, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .apex-huge {
            font-size: clamp(2rem, 4vw, 3rem);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 20px;
            white-space: normal;
        }

        .apex-large {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-main);
            white-space: normal;
        }

        .cipher-lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .cipher-base {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 1. Hero区 (asymmetric_grid 蓝图: 1.4fr 1fr，左图右文) */
        .cloak {
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cloak::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 60%;
            height: 80%;
            background: radial-gradient(circle, rgba(133, 26, 246, 0.15) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .cloak-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cloak-lens {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset 0 0 40px rgba(0,0,0,0.5), 0 20px 40px rgba(0,0,0,0.4);
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        /* 手绘内联高质量SVG矢量视觉作为Hero dominant图 */
        .cloak-svg {
            width: 100%;
            height: 100%;
            opacity: 0.9;
            filter: drop-shadow(0 0 20px var(--primary-glow));
            transition: var(--transition);
        }

        .cloak-lens:hover .cloak-svg {
            transform: scale(1.02);
            filter: drop-shadow(0 0 30px var(--primary-glow));
        }

        .cloak-cipher {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .warp-pack {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 10px;
        }

        /* 2. 隐私机制区 (Vault - data_visualization) */
        .vault {
            padding: 100px 0;
            background: var(--bg-surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .vault-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 80px;
            align-items: center;
        }

        .vault-cipher {
            display: flex;
            flex-direction: column;
        }

        .vault-lens {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .vault-lens::after {
            content: '';
            position: absolute;
            inset: 0;
            box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
            border-radius: inherit;
            pointer-events: none;
        }

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

        .feature-pack {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .feature-hop {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .feature-glyph {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(133, 26, 246, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid rgba(133, 26, 246, 0.2);
        }

        .feature-cipher h3 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
        }

        .feature-cipher p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* 3. 节点网络区 (Nexus - network_grid) */
        .nexus {
            padding: 120px 0;
            position: relative;
        }

        .nexus-crown {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .nexus-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .node {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .node:hover {
            transform: translateY(-5px);
            border-color: rgba(133, 26, 246, 0.3);
            background: var(--bg-elevated);
        }

        .node-glyph {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
            border: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .node-stats {
            display: flex;
            gap: 16px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .node-stat {
            display: flex;
            flex-direction: column;
        }

        .node-stat-val {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .node-stat-flag {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 4. 站内主题区 (Radar - site_paths) */
        .radar {
            padding: 80px 0 120px;
            background: linear-gradient(to bottom, var(--bg-core), var(--bg-surface));
        }

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

        .relay {
            display: flex;
            flex-direction: column;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: var(--transition);
            height: 100%;
        }

        .relay:hover {
            background: rgba(133, 26, 246, 0.05);
            border-color: rgba(133, 26, 246, 0.2);
        }

        .relay-apex {
            font-size: 1.25rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .relay-arrow {
            color: var(--primary);
            transition: transform 0.25s ease;
        }

        .relay:hover .relay-arrow {
            transform: translateX(5px);
        }

        .relay-cipher {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .relay-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .relay-tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            color: #cbd5e1;
        }

        /* 5. 深度内容区 (Zone - 补充SEO字数与价值论述) */
        .zone {
            padding: 80px 0;
            border-top: 1px solid var(--border);
            background: var(--bg-core);
        }

        .zone-layer {
            max-width: 900px;
            margin: 0 auto;
        }

        .zone-layer h2 {
            font-size: 2rem;
            margin-bottom: 32px;
            color: #fff;
        }

        .zone-layer h3 {
            font-size: 1.3rem;
            margin-top: 40px;
            margin-bottom: 16px;
            color: #e2e8f0;
        }
        
        .zone-layer p {
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        /* 底部 (Footer) */
        .tail {
            background: #000;
            padding: 80px 0 40px;
            border-top: 1px solid var(--border);
        }

        .anchor {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

        .anchor-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.05em;
            margin-bottom: 16px;
            display: inline-block;
        }

        .anchor-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 300px;
        }

        .anchor-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .anchor-wire {
            display: block;
            color: var(--text-muted);
            margin-bottom: 12px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .anchor-wire:hover {
            color: var(--primary);
        }

        .crypt {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: #64748b;
            font-size: 0.85rem;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .cloak-grid,
            .vault-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            /* 在平板及以下，非对称网格的大图放在上方，文字在下 */
            .cloak-lens {
                order: -1;
                aspect-ratio: 16/9;
            }

            .anchor {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .mesh {
                display: none; /* 移动端简易处理，实际应用中会有汉堡菜单 */
            }
            
            .apex-mega {
                font-size: 2.5rem;
            }

            .anchor {
                grid-template-columns: 1fr;
            }
            
            .crypt {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }

            .tunnel {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

.steer-crown .steer-pack{
            display: flex;
            flex-wrap: wrap;
        }

.steer-crown .steer-pack > *{
            min-width: 0;
        }

.steer-crown .steer-tunnel{
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 5vw;
            padding-right: 5vw;
        }

.steer-crown{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 6, 8, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #232836;
            padding: 16px 0;
        }

.steer-crown .steer-steer{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-width: 0;
        }

.steer-crown .steer-seal{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.steer-crown .steer-seal img{
            height: 32px;
            width: auto;
        }

.steer-crown .steer-mesh{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            min-width: 0;
        }

.steer-crown .steer-mesh-wire{
            color: #94a3b8;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s ease;
            padding: 8px 12px;
            border-radius: 8px;
        }

.steer-crown .steer-mesh-wire:hover, .steer-crown .steer-mesh-wire.active{
            color: #f8fafc;
            background: rgba(255, 255, 255, 0.05);
        }

.steer-crown .steer-mesh-wire.active{
            color: #851af6;
        }

.steer-crown .steer-warp{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background: linear-gradient(135deg, #a14cfb, #851af6);
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: 16px;
            transition: all 0.25s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 8px 20px rgba(133, 26, 246, 0.4);
            cursor: pointer;
        }

.steer-crown .steer-warp:hover{
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(133, 26, 246, 0.6);
            background: linear-gradient(135deg, #b570fb, #9333f7);
        }

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

.steer-crown .steer-tunnel{
                padding-left: 20px;
                padding-right: 20px;
            }}

.steer-crown {
    background: rgb(5, 6, 8);
    background-image: none;
}

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

.anchor-tail [role="navigation"],
.anchor-tail div,
.anchor-tail section,
.anchor-tail article,
.anchor-tail aside,
.anchor-tail p,
.anchor-tail h1,
.anchor-tail h2,
.anchor-tail h3,
.anchor-tail h4,
.anchor-tail h5,
.anchor-tail h6,
.anchor-tail a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

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

.anchor-tail .anchor-tunnel{
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 5vw;
            padding-right: 5vw;
        }

.anchor-tail{
            background: #000;
            padding: 80px 0 40px;
            border-top: 1px solid #232836;
        }

.anchor-tail .anchor-anchor{
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

.anchor-tail .anchor-anchor-brand{
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.05em;
            margin-bottom: 16px;
            display: inline-block;
        }

.anchor-tail .anchor-anchor-desc{
            color: #94a3b8;
            font-size: 0.95rem;
            max-width: 300px;
        }

.anchor-tail .anchor-anchor-col h4{
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 20px;
            font-weight: 600;
        }

.anchor-tail .anchor-anchor-wire{
            display: block;
            color: #94a3b8;
            margin-bottom: 12px;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }

.anchor-tail .anchor-anchor-wire:hover{
            color: #851af6;
        }

.anchor-tail .anchor-crypt{
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: #64748b;
            font-size: 0.85rem;
        }

@media (max-width: 1024px){.anchor-tail .anchor-anchor{
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }}

@media (max-width: 768px){.anchor-tail .anchor-anchor{
                grid-template-columns: 1fr;
            }

.anchor-tail .anchor-crypt{
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }

.anchor-tail .anchor-tunnel{
                padding-left: 20px;
                padding-right: 20px;
            }}