/* CSS Reset & Variable Tokens */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --primary: #5965ea;
            --primary-hover: #4451db;
            --primary-light: rgba(89, 101, 234, 0.08);
            --bg: #fafaff;
            --text: #2b3056;
            --text-muted: #525885;
            --surface: #ffffff;
            --border: rgba(89, 101, 234, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --transition: all 0.25s ease;
            --shadow-sm: 0 4px 10px rgba(89, 101, 234, 0.02);
            --shadow-md: 0 10px 30px rgba(89, 101, 234, 0.04);
            --shadow-lg: 0 20px 40px rgba(89, 101, 234, 0.08);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* Reused Navigation Styles */
        .helm {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .flow {
            max-width: 1200px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .glyph {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            text-decoration: none;
            color: var(--text);
            font-weight: 800;
            font-size: 22px;
            gap: 10px;
            min-width: 0;
        }

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

        .array {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            min-width: 0;
        }

        .wire {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        /* Core Layout Elements */
        .hull {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 24px 80px 24px;
        }

        /* Typography & Common elements mapping forbidden words */
        .apex {
            color: var(--text);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            white-space: normal;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .yarn {
            color: var(--text-muted);
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.8;
        }

        .mesh {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        .blip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .spark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 20px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            white-space: nowrap;
            min-width: 0;
        }

        .spark-primary {
            background-color: var(--primary);
            color: var(--surface);
            box-shadow: 0 4px 15px rgba(89, 101, 234, 0.4);
        }

        .spark-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(89, 101, 234, 0.5);
        }

        .ping {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 20px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--primary);
            color: var(--primary);
            background-color: transparent;
            white-space: nowrap;
            min-width: 0;
        }

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

        /* Page Section 1: Hero (接入全球极客网络) */
        .pulse {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            background-color: var(--surface);
            border-radius: var(--radius-lg);
            padding: 56px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            margin-bottom: 48px;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }

        .pulse::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(89, 101, 234, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .pulse .mesh-left {
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .pulse .mesh-right {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .pulse-tag {
            align-self: flex-start;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .pulse .apex-zone {
            font-size: clamp(2rem, 4vw, 2.75rem);
            color: var(--text);
        }

        .network-viz {
            width: 100%;
            max-width: 420px;
            height: auto;
            filter: drop-shadow(0 15px 25px rgba(89, 101, 234, 0.15));
        }

        /* Page Section 2: Steps (服务器设置与端口配置) */
        .zone {
            margin-bottom: 48px;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .zone-crown {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .zone-crown .apex {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
        }

        .flock-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        /* Cards Mapping */
        .node, .pod, .cell {
            flex: 1;
            min-width: 280px;
            background-color: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
        }

        .node:hover, .pod:hover, .cell:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(89, 101, 234, 0.25);
        }

        .step-num {
            font-size: 48px;
            font-weight: 900;
            color: rgba(89, 101, 234, 0.15);
            position: absolute;
            top: 24px;
            right: 32px;
            line-height: 1;
        }

        .step-blip-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .step-blip-wrap svg {
            width: 28px;
            height: 28px;
            fill: currentColor;
        }

        /* Page Section 3: Data Table & SSL Tutorial (主流节点与 SSL 教程) */
        .matrix {
            background-color: var(--surface);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            margin-bottom: 48px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .table-mesh {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }

        .table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .table th {
            background-color: var(--primary-light);
            color: var(--text);
            font-weight: 700;
            padding: 16px 24px;
            font-size: 14px;
            border-bottom: 2px solid var(--border);
        }

        .table td {
            padding: 16px 24px;
            font-size: 15px;
            border-bottom: 1px solid var(--border);
            color: var(--text-muted);
        }

        .table tbody tr:last-child td {
            border-bottom: none;
        }

        .table tbody tr:hover td {
            background-color: rgba(89, 101, 234, 0.02);
            color: var(--text);
        }

        .ssl-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 20px;
        }

        .ssl-left {
            flex: 1.2;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .ssl-right {
            flex: 0.8;
            min-width: 300px;
            background-color: var(--bg);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .ssl-status {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: #10b981;
        }

        .ssl-status-blip {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: #10b981;
            animation: pulse-ring 2s infinite;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* Footer (页脚区域) */
        .base {
            background-color: var(--surface);
            border-top: 1px solid var(--border);
            padding: 64px 24px 40px 24px;
            box-shadow: 0 -5px 20px rgba(89, 101, 234, 0.02);
        }

        .trail {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 48px;
        }

        .echo-brand {
            flex: 1;
            min-width: 260px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .echo-apex {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
        }

        .trail-links {
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
        }

        .trail-column {
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-width: 120px;
        }

        .trail-column-apex {
            font-weight: 700;
            color: var(--text);
            font-size: 15px;
        }

        .trail-column a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }

        .trail-column a:hover {
            color: var(--primary);
        }

        .echo-copyright {
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            .flow {
                flex-direction: column;
                gap: 16px;
            }
            .pulse {
                padding: 32px 24px;
            }
            .pulse .mesh-right {
                order: -1;
            }
            .matrix {
                padding: 32px 24px;
            }
            .flock-steps {
                flex-direction: column;
            }
            .ssl-grid {
                flex-direction: column;
            }
            .trail-links {
                gap: 32px;
                width: 100%;
                justify-content: space-between;
            }
        }

.nexus-helm{
            width: 100%;
            background-color: rgba(250, 250, 255, 0.9);
            backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(89, 101, 234, 0.08);
            transition: all 0.25s ease;
        }

.nexus-helm .nexus-flow{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            max-width: 1300px;
            margin: 0 auto;
        }

.nexus-helm .nexus-glyph{
            display: flex;
            align-items: center;
            text-decoration: none;
            font-weight: 800;
            font-size: 24px;
            color: #5965ea;
            letter-spacing: -0.5px;
            transition: all 0.25s ease;
        }

.nexus-helm .nexus-glyph img{
            height: 32px;
            width: auto;
            margin-right: 8px;
        }

.nexus-helm .nexus-array{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

.nexus-helm .nexus-wire{
            text-decoration: none;
            color: #5d6382;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 17px;
            transition: all 0.25s ease;
            word-break: break-word;
            overflow-wrap: break-word;
        }

.nexus-helm .nexus-wire:hover{
            color: #5965ea;
            background-color: rgba(89, 101, 234, 0.05);
        }

.nexus-helm .nexus-array .nexus-wire[href="index.html"]{
            color: #ffffff;
            background-color: #5965ea;
            box-shadow: 0 4px 12px rgba(89, 101, 234, 0.2);
        }

@media (max-width: 768px){.nexus-helm .nexus-flow{
                flex-direction: column;
                gap: 16px;
            }

.nexus-helm .nexus-array{
                justify-content: center;
                width: 100%;
            }

.nexus-helm .nexus-wire{
                padding: 6px 12px;
                font-size: 14px;
            }}

.nexus-helm {
    background: rgb(250, 250, 255);
    background-image: none;
}

.echo-base {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: #2b3056;
}
.echo-base,
.echo-base *,
.echo-base *::before,
.echo-base *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.echo-base .echo-hull{
            width: 100%;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
        }

.echo-base{
            background-color: #0f1124;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px 0;
            margin-top: 80px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

.echo-base .echo-echo{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 48px;
        }

.echo-base .echo-brand-column{
            flex: 1;
            min-width: 260px;
        }

.echo-base .echo-brand-name{
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

.echo-base .echo-brand-desc{
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.6;
        }

.echo-base .echo-links-column{
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

.echo-base .echo-links-flock{
            min-width: 140px;
        }

.echo-base .echo-flock-apex{
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

.echo-base .echo-links-array{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.echo-base .echo-links-array a{
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.25s ease;
        }

.echo-base .echo-links-array a:hover{
            color: #5965ea;
        }

.echo-base .echo-trail{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

@media (max-width: 768px){.echo-base .echo-echo{
                flex-direction: column;
                gap: 32px;
            }

.echo-base .echo-links-column{
                gap: 24px;
            }}