/* ==========================================================================
           基础变量与重置 (继承首页视觉契约)
           ========================================================================== */
        :root {
            --brand: #f65e68;
            --brand-hover: #e04a54;
            --bg-base: #f4f6f9;
            --bg-surface: #ffffff;
            --bg-dark: #1f2229;
            --bg-darker: #0f1115;
            --text-main: #1a202c;
            --text-muted: #4a5568;
            --text-light: #a0aec0;
            --text-inverse: #ffffff;
            --radius-sm: 12px;
            --radius-lg: 18px;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 30px rgba(246, 94, 104, 0.15);
            --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "Fira Code", "Consolas", "Courier New", monospace;
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            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;
            transition: var(--transition);
        }

        /* 强制Flexbox基础规则 */
        .flex-fold {
            display: flex;
            flex-wrap: wrap;
        }
        .flex-blip {
            min-width: 0;
        }

        /* 外层包裹 */
        .hull {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* ==========================================================================
           导航壳层 (继承自首页规范)
           ========================================================================== */
        .crown {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 5vw;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }

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

        .xsym img {
            height: 36px;
            width: auto;
            display: block;
        }

        .flow {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
            min-width: 0;
        }

        .xnode-tie {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 0.5rem 0;
        }

        .xnode-tie:hover {
            color: var(--brand);
        }

        .xnode-tie.active {
            color: var(--brand);
            font-weight: 600;
        }

        .xnode-tie.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--brand);
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            .crown {
                flex-direction: column;
                gap: 1rem;
                padding: 1rem;
            }
            .flow {
                gap: 1rem;
                justify-content: center;
                width: 100%;
            }
        }

        /* ==========================================================================
           正文核心区 (页面角色变体)
           ========================================================================== */
        .zone-core {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* 1. Hero区块 - 掌握 IRC 核心指令 (<article>) */
        .pulse-stage {
            width: 100%;
            padding: 6vw 5vw;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
            color: var(--text-inverse);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .pulse-stage::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 50%;
            height: 200%;
            background: radial-gradient(circle, rgba(246, 94, 104, 0.08) 0%, transparent 70%);
            transform: rotate(-15deg);
            pointer-events: none;
        }

        .pulse-cluster {
            max-width: 1200px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            align-items: center;
            z-index: 1;
        }

        .pulse-murmur-fold {
            flex: 1;
            min-width: 300px;
        }

        .pulse-peak {
            font-size: clamp(2.2rem, 4vw, 3.5rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            white-space: normal;
        }

        .pulse-peak .highlight {
            color: var(--brand);
        }

        .pulse-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 2.5rem;
        }

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

        /* 终端界面模拟 */
        .term-fold {
            width: 100%;
            max-width: 500px;
            background: #000000;
            border-radius: var(--radius-sm);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.1);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .term-crown {
            background: #2d3139;
            padding: 0.5rem 1rem;
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .term-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .term-dot.red { background: #ff5f56; }
        .term-dot.yellow { background: #ffbd2e; }
        .term-dot.green { background: #27c93f; }

        .term-body {
            padding: 1.5rem;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            color: #a0aec0;
            line-height: 1.6;
        }

        .term-line { margin-bottom: 0.5rem; }
        .term-prompt { color: var(--brand); font-weight: bold; margin-right: 0.5rem; }
        .term-cmd { color: #ffffff; }
        .term-sys { color: #48bb78; }
        .cursor {
            display: inline-block;
            width: 8px;
            height: 15px;
            background: #ffffff;
            vertical-align: middle;
            animation: blink 1s step-end infinite;
        }
        @keyframes blink { 50% { opacity: 0; } }

        /* 公共区块属性 */
        .mesh-zone, .orbit-band, .flare-zone {
            padding: 5vw 5vw;
            display: flex;
            justify-content: center;
        }

        .fold-center {
            width: 100%;
            max-width: 1200px;
        }

        .peak-level2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            white-space: normal;
        }

        .glyph-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(246, 94, 104, 0.1);
            border-radius: 10px;
            color: var(--brand);
        }

        .desc-level2 {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 3rem;
            max-width: 800px;
        }

        /* Data UI: 命令面板卡片 */
        .grid-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .cell-packet {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-subtle);
            border: 1px solid rgba(0,0,0,0.02);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .cell-packet:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(246, 94, 104, 0.2);
        }

        .code-band {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 1rem;
            font-family: var(--font-mono);
            font-size: 1rem;
            color: #2d3748;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            position: relative;
        }
        
        .code-band::before {
            content: '>';
            color: var(--text-light);
            user-select: none;
        }

        .cell-murmur {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* 2. 基础操作与身份管理 (<section>) */
        .mesh-zone {
            background-color: var(--bg-base);
        }

        /* 3. 私聊与消息交互 (<aside>) */
        .orbit-band {
            background-color: var(--bg-surface);
            border-top: 1px solid rgba(0,0,0,0.05);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        
        .orbit-band .cell-packet {
            background: var(--bg-base);
            box-shadow: none;
            border: 1px solid rgba(0,0,0,0.05);
        }
        .orbit-band .cell-packet:hover {
            background: var(--bg-surface);
            box-shadow: var(--shadow-subtle);
        }

        /* 4. 频道权限与管理 (<div>) */
        .flare-zone {
            background-color: var(--bg-base);
        }

        .admin-packet {
            border-left: 4px solid var(--text-light);
        }
        .admin-packet:hover {
            border-left-color: var(--brand);
        }

        .code-highlight {
            color: var(--brand);
            font-weight: bold;
        }
        .code-param {
            color: #3182ce;
        }

        /* ==========================================================================
           页脚区域 (继承自首页规范)
           ========================================================================== */
        .sole-base {
            background: var(--bg-surface);
            padding: 4rem 5vw 2rem;
            border-top: 1px solid rgba(0,0,0,0.05);
            margin-top: auto;
        }

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

        .sole-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

        .sole-murmur {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .sole-flow {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .sole-tie {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .sole-tie:hover {
            color: var(--brand);
        }

        @media (max-width: 768px) {
            .sole-fold {
                flex-direction: column;
                text-align: center;
            }
            .pulse-stage, .mesh-zone, .orbit-band, .flare-zone {
                padding: 10vw 5vw;
            }
        }

.xnode-crown .xnode-flow{
            display: flex;
            flex-wrap: wrap;
        }

.xnode-crown .xnode-flow > *{
            min-width: 0;
        }

.xnode-crown{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            padding: 1rem 5vw;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            border-bottom: 1px solid rgba(0,0,0,0.03);
        }

.xnode-crown .xnode-xsym{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.xnode-crown .xnode-xsym img{
            height: 36px;
            width: auto;
        }

.xnode-crown .xnode-flow{
            gap: 2rem;
            align-items: center;
        }

.xnode-crown .xnode-xnode-tie{
            text-decoration: none;
            color: #4a5568;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            transition: 0.25s ease;
            position: relative;
        }

.xnode-crown .xnode-xnode-tie:hover{
            color: #f65e68;
        }

.xnode-crown .xnode-xnode-tie.active{
            color: #f65e68;
        }

.xnode-crown .xnode-xnode-tie.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #f65e68;
            border-radius: 2px;
        }

@media (max-width: 768px){.xnode-crown{
                padding: 1rem 4vw;
                flex-direction: column;
                gap: 1rem;
            }

.xnode-crown .xnode-flow{
                justify-content: center;
                gap: 1rem;
            }}

.xnode-crown {
    background: rgb(255, 255, 255);
    background-image: none;
}

.roots-sole-base {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text-main);
}
.roots-sole-base,
.roots-sole-base *,
.roots-sole-base *::before,
.roots-sole-base *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.roots-sole-base .roots-murmur{
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
        }

.roots-sole-base .roots-murmur{
            font-size: 1.1rem;
            color: #4a5568;
            line-height: 1.8;
        }

.roots-sole-base{
            background: #11141a;
            color: #a0aec0;
            padding: 4rem 5vw 2rem;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 3rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.roots-sole-base .roots-sole-fold{
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            justify-content: space-between;
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
        }

.roots-sole-base .roots-sole-brand{
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

.roots-sole-base .roots-sole-cluster{
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
        }

.roots-sole-base .roots-sole-column{
            display: flex;
            flex-direction: column;
            gap: 1rem;
            min-width: 150px;
        }

.roots-sole-base .roots-sole-peak{
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

.roots-sole-base .roots-sole-tie{
            color: #a0aec0;
            text-decoration: none;
            transition: 0.25s ease;
        }

.roots-sole-base .roots-sole-tie:hover{
            color: #f65e68;
        }

.roots-sole-base .roots-sole-bottom{
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
        }

@media (max-width: 768px){.roots-sole-base .roots-sole-fold{
                flex-direction: column;
            }}