/* ==========================================================================
           基础变量与重置 (继承自首页契约)
           ========================================================================== */
        :root {
            --color-primary: #37b9e9;
            --color-primary-dark: #2a9ecb;
            --color-bg: #ffffff;
            --color-bg-alt: #f8fafc;
            --color-surface: #ffffff;
            --color-surface-dark: #0f172a;
            --color-lore-main: #334155;
            --color-lore-muted: #64748b;
            --color-crux: #0f172a;
            --color-border: #e2e8f0;
            --color-border-dark: #1e293b;
            
            --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 5px;
            --radius-md: 8px;
            --radius-lg: 11px;
            
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-dark: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-main);
            color: var(--color-lore-main);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            word-break: break-word;
            overflow-wrap: break-word;
        }

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

        /* ==========================================================================
           强制复用导航栏样式 (brow)
           ========================================================================== */
        .brow {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }
        .brow-mesh {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .sigil img {
            height: 32px;
            width: auto;
            display: block;
        }
        .flow {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .wire {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-lore-muted);
            transition: var(--transition);
        }
        .wire:hover,
        .wire:focus {
            color: var(--color-primary);
        }
        .wire.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ==========================================================================
           主容器与通用组件
           ========================================================================== */
        .vault {
            display: block;
            width: 100%;
        }

        .mesh {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

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

        .ping-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #ffffff;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(55, 185, 233, 0.35);
            transition: var(--transition);
            cursor: pointer;
        }
        .ping-primary:hover,
        .ping-primary:focus {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(55, 185, 233, 0.45);
        }

        /* 统一标题语法 */
        .crux {
            color: var(--color-crux);
            font-weight: 700;
            white-space: normal;
        }

        /* ==========================================================================
           区块 1: Hero - XChat 极客命令与快捷键速查 (nova)
           ========================================================================== */
        .nova {
            background: radial-gradient(circle at 100% 0%, #f0f9ff 0%, #ffffff 60%);
            padding: 6rem 0;
            border-bottom: 1px solid var(--color-border);
        }
        
        .nova .knot {
            align-items: center;
        }

        .nova-pod {
            flex: 1 1 400px;
        }

        .crux-nova {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            color: var(--color-crux);
        }

        .lore-lead {
            font-size: 1.25rem;
            color: var(--color-lore-muted);
            margin-bottom: 2.5rem;
            line-height: 1.6;
            word-break: keep-all;
        }

        /* 创意终端 UI (代替图片) */
        .shard-terminal {
            background: var(--color-surface-dark);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-dark);
            border: 1px solid var(--color-border-dark);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            width: 100%;
        }
        .shard-terminal-brow {
            background: #1e293b;
            padding: 0.75rem 1rem;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .shard-terminal-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        .shard-terminal-dot:nth-child(1) { background: #ef4444; }
        .shard-terminal-dot:nth-child(2) { background: #eab308; }
        .shard-terminal-dot:nth-child(3) { background: #22c55e; }
        
        .shard-terminal-lore {
            padding: 1.5rem;
            font-family: 'Consolas', 'Monaco', monospace;
            color: #e2e8f0;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .shard-terminal-prompt {
            color: var(--color-primary);
            margin-right: 0.5rem;
            font-weight: bold;
        }
        .shard-terminal-comment {
            color: #64748b;
        }
        .shard-terminal-cursor {
            display: inline-block;
            width: 8px;
            height: 18px;
            background: var(--color-primary);
            vertical-align: middle;
            margin-left: 4px;
            animation: blink 1s step-end infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }

        /* ==========================================================================
           区块 2: 基础通讯与频道指令 (pulse)
           ========================================================================== */
        .pulse {
            padding: 5rem 0;
            background: var(--color-surface);
        }
        
        .pulse-head {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3.5rem auto;
        }

        .crux-pulse {
            font-size: 2.25rem;
            margin-bottom: 1rem;
        }

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

        .node {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .node:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }

        .node .glyph {
            width: 48px;
            height: 48px;
            background: #e0f2fe;
            color: var(--color-primary);
            border-radius: var(--radius-md);
            margin-bottom: 1.5rem;
        }

        .crux-node {
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
        }

        .band {
            display: flex;
            flex-direction: column;
            padding: 0.75rem 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .band:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        
        .band-cmd {
            font-family: 'Consolas', monospace;
            color: var(--color-primary-dark);
            font-weight: 600;
            background: #f1f5f9;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            align-self: flex-start;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }
        .band-lore {
            font-size: 0.95rem;
            color: var(--color-lore-muted);
        }

        /* ==========================================================================
           区块 3: 管理员权限与频道控制 (flare)
           ========================================================================== */
        .flare {
            padding: 5rem 0;
            background: var(--color-surface-dark);
            color: #ffffff;
        }

        .flare .crux {
            color: #ffffff;
        }
        
        .flare .lore-muted {
            color: #94a3b8;
        }

        .flare-mesh {
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            align-items: flex-start;
        }

        .flare-pod-lore {
            flex: 1 1 350px;
        }

        .crux-flare {
            font-size: 2.25rem;
            margin-bottom: 1.5rem;
        }

        .flare-pod-data {
            flex: 1.5 1 500px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .slate {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
            transition: var(--transition);
        }
        .slate:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .slate-cmd {
            flex: 0 0 160px;
            font-family: 'Consolas', monospace;
            color: #38bdf8;
            font-size: 1rem;
        }

        .slate-lore {
            flex: 1 1 200px;
            font-size: 0.95rem;
            color: #cbd5e1;
        }

        /* ==========================================================================
           区块 4: 客户端进阶配置指令 (nexus)
           ========================================================================== */
        .nexus {
            padding: 5rem 0;
            background: var(--color-bg);
        }

        .crux-nexus {
            font-size: 2.25rem;
            text-align: center;
            margin-bottom: 3rem;
        }

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

        .shard-flow {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-primary);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .shard-flow:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .crux-shard {
            font-size: 1.15rem;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .crux-shard code {
            background: var(--color-bg-alt);
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            color: var(--color-crux);
            font-size: 0.9rem;
        }

        /* ==========================================================================
           页脚 (heel)
           ========================================================================== */
        .heel {
            background: var(--color-surface-dark);
            color: #94a3b8;
            padding: 4rem 0 2rem 0;
            border-top: 1px solid var(--color-border-dark);
        }
        
        .heel-mesh {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .heel-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        .heel-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        
        .heel-wire {
            transition: var(--transition);
        }
        .heel-wire:hover {
            color: #ffffff;
        }

        .heel-root {
            padding-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
        }

        /* ==========================================================================
           响应式断点
           ========================================================================== */
        @media (max-width: 1024px) {
            .flare-mesh {
                flex-direction: column;
            }
            .flare-pod-data {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nova {
                padding: 4rem 0;
            }
            .pulse, .flare, .nexus {
                padding: 3rem 0;
            }
            .crux-nova {
                font-size: 2.25rem;
            }
            .crux-pulse, .crux-flare, .crux-nexus {
                font-size: 1.75rem;
            }
            .brow-mesh {
                flex-direction: column;
                gap: 1rem;
            }
            .flow {
                justify-content: center;
                gap: 1rem;
            }
            .slate {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }

.orbit-brow {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: #334155;
}
.orbit-brow,
.orbit-brow *,
.orbit-brow *::before,
.orbit-brow *::after {
    box-sizing: border-box;
}

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

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

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

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

.orbit-brow a.orbit-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;
}

.orbit-brow a.orbit-wire,
.orbit-brow a.orbit-wire:hover,
.orbit-brow a.orbit-wire:focus,
.orbit-brow a.orbit-wire:active,
.orbit-brow a.orbit-wire.active,
.orbit-brow a.orbit-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);
}

.orbit-brow{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
        }

.orbit-brow .orbit-brow-mesh{
            max-width: 1300px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

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

.orbit-brow .orbit-sigil{
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

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

.orbit-brow .orbit-sigil img{
            height: 36px;
            width: auto;
            display: block;
        }

.orbit-brow .orbit-flow{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

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

.orbit-brow .orbit-wire{
            font-size: 0.95rem;
            font-weight: 600;
            color: #64748b;
            transition: color 0.25s ease;
            position: relative;
        }

.orbit-brow .orbit-wire:hover, .orbit-brow .orbit-wire.active{
            color: #37b9e9;
        }

.orbit-brow .orbit-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #37b9e9;
            border-radius: 2px;
        }

.orbit-brow {
    background: rgb(255, 255, 255);
    background-image: none;
}

.root-heel {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: #334155;
}
.root-heel,
.root-heel *,
.root-heel *::before,
.root-heel *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.root-heel .root-wire{
            font-size: 0.95rem;
            font-weight: 600;
            color: #64748b;
            transition: color 0.25s ease;
            position: relative;
        }

.root-heel .root-wire:hover, .root-heel .root-wire.active{
            color: #37b9e9;
        }

.root-heel .root-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #37b9e9;
            border-radius: 2px;
        }

.root-heel{
            background: #020617;
            color: #64748b;
            padding: 5rem 2rem 2rem 2rem;
            word-break: break-word;
            font-size: 0.95rem;
        }

.root-heel .root-root-mesh{
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 4rem;
            margin-bottom: 4rem;
        }

.root-heel .root-root-col{
            display: flex;
            flex-direction: column;
            flex-wrap: wrap;
            gap: 1.25rem;
        }

.root-heel .root-root-col > *{ min-width: 0; }

.root-heel .root-crux-root{
            color: #f8fafc;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 0 0.5rem 0;
        }

.root-heel .root-root-col .root-wire{
            color: #94a3b8;
            font-weight: 400;
        }

.root-heel .root-root-col .root-wire:hover{
            color: #37b9e9;
        }

.root-heel .root-tail{
            max-width: 1300px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid #1e293b;
            text-align: center;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

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