:root {
            --paper-bg: #ffffff;
            --text-primary: #0f0f11;
            --text-secondary: #55555a;
            --brand-color: #f853a3;
            --brand-light: #fdf2f7;
            --radius-soft: 20px;
            --radius-sharp: 8px;
            --space-xs: 0.5rem;
            --space-sm: 1.5rem;
            --space-md: 3rem;
            --space-lg: 6rem;
            --space-xl: 10rem;
            --shadow-subtle: 0 24px 48px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.03);
            --transition-speed: 0.15s ease;
        }

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

        body {
            font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
            background-color: var(--paper-bg);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 强制文本换行规范 */
        .cipher, .apex, .flow, .dot {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        .cipher-zh {
            word-break: keep-all;
        }

        .apex {
            white-space: normal;
        }

        /* 导航栏 (复用首页结构) */
        .helm-cloak {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .helm {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .sigil img {
            height: 28px;
            display: block;
        }

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

        .wire {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: color var(--transition-speed);
            min-width: 0;
        }

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

        /* 页面骨架与版心 */
        .tunnel {
            padding-top: 80px; /* offset for fixed header */
            display: flex;
            flex-direction: column;
        }

        .cloak-inner {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            padding: 0 4vw;
        }

        /* S1: Hero (全端无缝的安全防护) */
        .portal {
            display: flex;
            flex-wrap: wrap;
            min-height: 75vh;
            padding: var(--space-xl) 4vw var(--space-lg);
            background: radial-gradient(circle at 50% 0%, var(--brand-light) 0%, var(--paper-bg) 60%);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .portal-core {
            max-width: 800px;
            min-width: 0;
        }

        .apex-portal {
            font-size: clamp(2.5rem, 6vw, 5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: var(--space-sm);
        }

        .cipher-portal {
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            color: var(--text-secondary);
            margin-bottom: var(--space-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .data-ui-ring {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-top: var(--space-md);
        }

        .node-seal {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.8rem 1.5rem;
            background: #fff;
            border-radius: 50px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            font-weight: 600;
            font-size: 0.9rem;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .glyph-pulse {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--brand-color);
            box-shadow: 0 0 0 0 rgba(248, 83, 163, 0.4);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(248, 83, 163, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(248, 83, 163, 0); }
            100% { box-shadow: 0 0 0 0 rgba(248, 83, 163, 0); }
        }

        /* S2: Mobile Optimization (专为移动端打造) */
        .vortex {
            padding: var(--space-lg) 0;
            background: #fff;
        }

        .vortex-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            align-items: center;
        }

        .vortex-cipher {
            flex: 1;
            min-width: 300px;
        }

        .apex-tunnel {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            margin-bottom: var(--space-sm);
            line-height: 1.2;
        }

        .cipher-tunnel {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: var(--space-md);
        }

        .pod-matrix {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .pod-dot {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            min-width: 0;
        }

        .glyph-wrap {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--brand-color);
        }

        .vortex-ui {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: center;
        }

        .vault-phone {
            width: 280px;
            height: 580px;
            border-radius: 40px;
            border: 12px solid #0f0f11;
            background: #fafafa;
            position: relative;
            box-shadow: var(--shadow-subtle);
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .vault-phone::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 20px;
            background: #0f0f11;
            border-bottom-left-radius: 10px;
            border-bottom-right-radius: 10px;
        }

        .dial-connect {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-color), #ff8abc);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 15px 30px rgba(248, 83, 163, 0.3);
            margin-bottom: 2rem;
            transition: transform var(--transition-speed);
            cursor: pointer;
        }

        .dial-connect:hover {
            transform: scale(1.05);
        }

        .flow-status {
            width: 100%;
            height: 60px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            padding: 0 1rem;
            gap: 1rem;
        }

        /* S3: Desktop Sync (桌面级的高效生产力) */
        .nexus {
            padding: var(--space-lg) 0;
            background: #fdfdfd;
            border-top: 1px solid rgba(0,0,0,0.03);
            border-bottom: 1px solid rgba(0,0,0,0.03);
        }

        .nexus-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            align-items: center;
            flex-direction: row-reverse;
        }

        .vault-window {
            flex: 1.2;
            min-width: 320px;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-subtle);
            border: 1px solid rgba(0,0,0,0.05);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .crown-window {
            height: 40px;
            background: #f5f5f7;
            display: flex;
            align-items: center;
            padding: 0 1rem;
            gap: 8px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .dot-mac {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ddd;
        }
        .dot-mac:nth-child(1) { background: #ff5f56; }
        .dot-mac:nth-child(2) { background: #ffbd2e; }
        .dot-mac:nth-child(3) { background: #27c93f; }

        .cloak-window-body {
            padding: 2rem;
            display: flex;
            gap: 2rem;
        }

        .flow-sidebar {
            width: 30%;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .flow-line {
            height: 32px;
            background: #f5f5f7;
            border-radius: 6px;
            width: 100%;
        }
        .flow-line.active {
            background: var(--brand-light);
            border-left: 3px solid var(--brand-color);
        }

        .flow-cloak {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .flow-chart {
            height: 120px;
            background: linear-gradient(180deg, var(--brand-light) 0%, transparent 100%);
            border-radius: 8px;
            border: 1px dashed rgba(248, 83, 163, 0.3);
            display: flex;
            align-items: flex-end;
            padding: 1rem;
            gap: 10px;
        }

        .flow-flow {
            flex: 1;
            background: var(--brand-color);
            border-radius: 4px 4px 0 0;
            opacity: 0.8;
        }

        /* S4: Device Management (多设备状态同步) */
        .cloak-mgmt {
            padding: var(--space-xl) 0;
            background: #fff;
        }

        .apex-center {
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--space-lg);
        }

        .matrix-devices {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .packet-device {
            background: #fff;
            border-radius: var(--radius-soft);
            padding: 2rem;
            border: 1px solid rgba(0,0,0,0.04);
            box-shadow: 0 10px 20px rgba(0,0,0,0.02);
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .packet-device:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-subtle);
        }

        .crown-device {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .glyph-device {
            width: 40px;
            height: 40px;
            color: var(--text-primary);
        }

        .status-pill {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background: rgba(39, 201, 63, 0.1);
            color: #27c93f;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .status-pill.offline {
            background: rgba(0,0,0,0.05);
            color: var(--text-secondary);
        }

        .cipher-device-name {
            font-size: 1.2rem;
            font-weight: 700;
        }

        .cipher-device-ip {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-family: monospace;
        }

        /* Footer */
        .anchor-tail {
            background: #0f0f11;
            color: #fff;
            padding: var(--space-md) 0;
            text-align: center;
        }

        .root-brand {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .helm {
                padding: 1rem;
                flex-direction: column;
                gap: 1rem;
            }
            .route {
                width: 100%;
                justify-content: center;
                gap: 1rem;
            }
            .portal {
                padding: 120px 4vw var(--space-md);
            }
            .nexus-grid {
                flex-direction: column;
            }
            .vortex-grid {
                flex-direction: column;
            }
            .vault-phone {
                transform: scale(0.9);
            }
        }

.helm-helm-cloak {
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--ink-main);
}
.helm-helm-cloak,
.helm-helm-cloak *,
.helm-helm-cloak *::before,
.helm-helm-cloak *::after {
    box-sizing: border-box;
}

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

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

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

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

.helm-helm-cloak a.helm-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;
}

.helm-helm-cloak a.helm-wire,
.helm-helm-cloak a.helm-wire:hover,
.helm-helm-cloak a.helm-wire:focus,
.helm-helm-cloak a.helm-wire:active,
.helm-helm-cloak a.helm-wire.active,
.helm-helm-cloak a.helm-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-helm-cloak{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0,0,0,0.04);
        }

.helm-helm-cloak .helm-helm{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 4vw;
        }

.helm-helm-cloak .helm-helm > *{ min-width: 0; }

.helm-helm-cloak .helm-sigil img{
            height: 28px;
            width: auto;
            display: block;
        }

.helm-helm-cloak .helm-route{
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
        }

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

.helm-helm-cloak .helm-wire{
            text-decoration: none;
            color: #4a4a52;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.15s ease;
            position: relative;
        }

.helm-helm-cloak .helm-wire:hover, .helm-helm-cloak .helm-wire.active{
            color: #0f0f11;
        }

.helm-helm-cloak .helm-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #f853a3;
            border-radius: 2px;
        }

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

.helm-helm-cloak {
    background: rgb(255, 255, 255);
    background-image: none;
}

.anchor-tail {
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--ink-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{
            background-color: #ffffff;
            padding: 3rem 4vw;
            border-top: 1px solid rgba(0,0,0,0.04);
        }

.anchor-tail .anchor-anchor{
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

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

.anchor-tail .anchor-root-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #0f0f11;
            letter-spacing: -0.02em;
        }

.anchor-tail .anchor-root-cipher{
            color: #888891;
            font-size: 0.9rem;
        }

@media (max-width: 768px){.anchor-tail .anchor-anchor{
                flex-direction: column;
                text-align: center;
            }}