:root {
            /* 色彩系统 - 继承视觉契约 */
            --base-bg: #f8fafc;
            --base-surface: #ffffff;
            --hero-bg: #0b1120;
            --hero-bg-alt: #162032;
            --primary: #4cc6f6;
            --primary-hover: #3bb2e0;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --text-light: #f8fafc;
            --text-light-muted: #94a3b8;
            --border-subtle: rgba(15, 23, 42, 0.08);
            --border-glow: rgba(76, 198, 246, 0.2);
            
            /* 几何系统 */
            --radius-sharp: 6px;
            --radius-pill: 9999px;
            
            /* 阴影系统 */
            --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-elevated: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
            --shadow-neon: 0 0 20px rgba(76, 198, 246, 0.3);
            
            /* 间距系统 */
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 8rem;
            
            /* 版心跨度 */
            --max-width: 1280px;
            --reading-width: 800px;
        }

        /* 基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

        /* 强制文本换行规范 */
        .shell, 
        .pulse-tail, 
        .packet-tail, 
        .base-tail {
            word-break: break-word;
            overflow-wrap: break-word;
            word-break: keep-all; /* 优化中文换行 */
        }

        /* --- 导航栏区域 (复用结构匹配样式) --- */
        .array {
            background-color: var(--base-surface);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-base);
        }

        .radar {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap; /* 强制Flex子项要求 */
        }

        .glyph {
            min-width: 0; /* 强制Flex子项要求 */
            display: flex;
            align-items: center;
        }

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

        .cluster {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
            min-width: 0;
        }

        .thread {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: color 0.35s ease;
            position: relative;
        }

        .thread:hover, .thread.active {
            color: var(--primary);
        }

        .thread.active::after {
            content: '';
            position: absolute;
            bottom: -24px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
            border-radius: var(--radius-sharp) var(--radius-sharp) 0 0;
        }

        @media (max-width: 768px) {
            .radar {
                height: auto;
                padding: var(--space-sm);
                justify-content: center;
                flex-direction: column;
                gap: var(--space-sm);
            }
            .cluster {
                justify-content: center;
            }
            .thread.active::after {
                bottom: -8px;
            }
        }

        /* --- 主内容区通用 --- */
        main {
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .hub {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
            width: 100%;
        }

        /* --- 1. 连接世界的节点 (Hero / Intro) --- */
        .pulse {
            width: 100%;
            min-height: 75vh;
            background-color: var(--hero-bg);
            background-image: 
                radial-gradient(circle at 50% 0%, var(--hero-bg-alt) 0%, transparent 70%),
                linear-gradient(to bottom, transparent, var(--hero-bg) 100%);
            display: flex;
            align-items: center;
            padding: var(--space-xl) var(--space-md);
            position: relative;
            overflow: hidden;
            flex-wrap: wrap;
        }

        /* 纯CSS/SVG 视觉焦点：节点网络背景 */
        .pulse::before {
            content: '';
            position: absolute;
            inset: 0;
            opacity: 0.1;
            background-image: 
                linear-gradient(var(--primary) 1px, transparent 1px),
                linear-gradient(90deg, var(--primary) 1px, transparent 1px);
            background-size: 50px 50px;
            mask-image: radial-gradient(circle at center, black, transparent 80%);
            -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
            pointer-events: none;
        }

        .pulse-tail {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: var(--reading-width);
            margin: 0 auto;
            position: relative;
            z-index: 10;
            min-width: 0;
        }

        .pulse-lens {
            color: var(--text-light);
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: var(--space-md);
            white-space: normal;
        }

        .pulse-lens span {
            color: var(--primary);
        }

        .pulse-tail {
            color: var(--text-light-muted);
            font-size: 1.25rem;
            max-width: 600px;
            margin-bottom: var(--space-lg);
        }

        /* 抽象节点视觉组件 */
        .pulse-apex {
            width: 120px;
            height: 120px;
            margin-bottom: var(--space-md);
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            min-width: 0;
        }
        
        .pulse-apex svg {
            width: 100%;
            height: 100%;
            filter: drop-shadow(0 0 15px rgba(76, 198, 246, 0.4));
        }

        /* --- 2. 服务器配置指南 (Tutorial / Steps) --- */
        .mesh {
            padding: var(--space-xl) 0;
            background-color: var(--base-bg);
        }

        .mesh-lens {
            text-align: center;
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--space-sm);
            white-space: normal;
        }

        .mesh-tail {
            text-align: center;
            color: var(--text-muted);
            max-width: var(--reading-width);
            margin: 0 auto var(--space-lg);
            font-size: 1.1rem;
        }

        .pip {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }

        .packet {
            background: var(--base-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sharp);
            padding: var(--space-md);
            box-shadow: var(--shadow-base);
            transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
            display: flex;
            flex-direction: column;
            position: relative;
            min-width: 0;
        }

        .packet:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-elevated);
            border-color: var(--border-glow);
        }

        .packet-rune {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sharp);
            background: rgba(76, 198, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-sm);
            color: var(--primary);
        }

        .packet-lens {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: var(--space-xs);
            white-space: normal;
        }

        .packet-tail {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-grow: 1;
        }

        /* 装饰数字 */
        .packet::before {
            content: attr(data-step);
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            font-size: 3rem;
            font-weight: 800;
            color: var(--base-bg);
            line-height: 1;
            z-index: 0;
            pointer-events: none;
        }

        /* --- 3. 精选网络推荐 (Directory / Closing) --- */
        .plex {
            padding: var(--space-lg) 0 var(--space-xl);
            background-color: var(--base-surface);
            border-top: 1px solid var(--border-subtle);
        }

        .plex-tail {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }

        .node {
            width: 100%;
            max-width: var(--reading-width);
            background: var(--base-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sharp);
            padding: var(--space-md);
            margin-top: var(--space-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--space-md);
            transition: box-shadow 0.35s ease;
            min-width: 0;
        }

        .node:hover {
            box-shadow: var(--shadow-base);
        }

        .node-tail {
            flex: 1 1 300px;
            min-width: 0;
        }

        .node-lens {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            margin-bottom: var(--space-xs);
            white-space: normal;
        }

        .blip {
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            background: rgba(76, 198, 246, 0.15);
            color: #0284c7;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }

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

        .ping {
            padding: 0.875rem 2rem;
            background: var(--primary);
            color: var(--base-surface);
            font-weight: 600;
            border-radius: var(--radius-sharp);
            box-shadow: var(--shadow-neon);
            transition: background-color 0.35s ease, transform 0.35s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            min-width: max-content;
        }

        .ping:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
        }

        .ping-alt {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-subtle);
            box-shadow: none;
        }
        
        .ping-alt:hover {
            background: var(--base-bg);
            border-color: var(--text-muted);
            transform: translateY(0);
        }

        /* --- 页脚区域 --- */
        .mark {
            background-color: var(--hero-bg);
            color: var(--text-light-muted);
            padding: var(--space-lg) 0 var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .base {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-md);
            min-width: 0;
        }

        .base-lens {
            color: var(--text-light);
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            white-space: normal;
        }

        .base-tail {
            font-size: 0.875rem;
        }

        .base-cluster {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
            min-width: 0;
        }

        .base-thread {
            color: var(--text-light-muted);
            transition: color 0.35s ease;
        }

        .base-thread:hover {
            color: var(--primary);
        }

.comlink-array {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--base-ink);
}
.comlink-array,
.comlink-array *,
.comlink-array *::before,
.comlink-array *::after {
    box-sizing: border-box;
}

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

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

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

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

.comlink-array a.comlink-thread {
    --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;
}

.comlink-array a.comlink-thread,
.comlink-array a.comlink-thread:hover,
.comlink-array a.comlink-thread:focus,
.comlink-array a.comlink-thread:active,
.comlink-array a.comlink-thread.active,
.comlink-array a.comlink-thread[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);
}

.comlink-array .comlink-radar, .comlink-array .comlink-cluster{
            display: flex;
            flex-wrap: wrap;
        }

.comlink-array .comlink-radar > *, .comlink-array .comlink-cluster > *{
            min-width: 0;
        }

.comlink-array{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 23, 42, 0.05);
            z-index: 100;
        }

.comlink-array .comlink-radar{
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            justify-content: space-between;
            align-items: center;
        }

.comlink-array .comlink-glyph img{
            height: 32px;
            display: block;
        }

.comlink-array .comlink-cluster{
            gap: 2rem;
            align-items: center;
        }

.comlink-array .comlink-thread{
            font-weight: 500;
            color: #475569;
            transition: all 0.35s ease;
            font-size: 0.95rem;
            position: relative;
        }

.comlink-array .comlink-thread::after{
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: #4cc6f6;
            transition: all 0.35s ease;
        }

.comlink-array .comlink-thread:hover, .comlink-array .comlink-thread.active{
            color: #0f172a;
        }

.comlink-array .comlink-thread:hover::after, .comlink-array .comlink-thread.active::after{
            width: 100%;
        }

@media (max-width: 768px){.comlink-array .comlink-cluster{
                display: none; 
            }}

.comlink-array {
    background: rgb(255, 255, 255);
    background-image: none;
}

.echo-mark {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--base-ink);
}
.echo-mark,
.echo-mark *,
.echo-mark *::before,
.echo-mark *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.echo-mark .echo-hub{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

.echo-mark{
            background: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.echo-mark .echo-mark-plex{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

.echo-mark .echo-mark-lens{
            color: #ffffff;
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

.echo-mark .echo-mark-thread{
            display: block;
            margin-bottom: 0.5rem;
            transition: all 0.35s ease;
        }

.echo-mark .echo-mark-thread:hover{
            color: #4cc6f6;
            transform: translateX(5px);
        }

.echo-mark .echo-mark-base{
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.875rem;
        }