/* ==========================================================================
           基础变量与重置 (继承首页视觉基因)
           ========================================================================== */
        :root {
            --bg-main: #fcfdfd;
            --bg-alt: #f1f5f9;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --accent: #61f675;
            --accent-dark: #4ade5b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
            --transition: 0.35s ease;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-main);
            color: var(--text-dark);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        /* ==========================================================================
           公共结构与 Flex 规则
           ========================================================================== */
        .flex-flux {
            display: flex;
            flex-wrap: wrap;
        }
        .flex-flux > * {
            min-width: 0;
        }

        /* ==========================================================================
           导航栏 (严格复用)
           ========================================================================== */
        .pip-cloak {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(252, 253, 253, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 23, 42, 0.05);
        }

        .tunnel-blip {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            justify-content: space-between;
            align-items: center;
        }

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

        .lens-flux {
            gap: 2rem;
            align-items: center;
        }

        .radar-wire {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition);
            position: relative;
        }

        .radar-wire:hover {
            color: var(--text-dark);
        }

        .radar-wire.active {
            color: var(--text-dark);
        }

        .radar-wire.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        /* ==========================================================================
           主内容区
           ========================================================================== */
        .core-base {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 1. 界面背后的强大引擎 (Hero - vertical_stack) */
        .surge-blip {
            padding: 6rem 0 4rem;
            background: radial-gradient(circle at top center, rgba(97, 246, 117, 0.1) 0%, rgba(252, 253, 253, 0) 60%);
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .surge-byte {
            margin: 0 0 1.5rem 0;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--text-dark);
            white-space: normal;
        }

        .surge-array {
            max-width: 700px;
            font-size: 1.125rem;
            color: var(--text-muted);
            margin: 0 0 3rem 0;
            word-break: keep-all;
        }

        /* Data UI 架构图 */
        .data-ui-blip {
            width: 100%;
            max-width: 800px;
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(0,0,0,0.02);
            padding: 3rem;
            position: relative;
            overflow: hidden;
        }

        .ui-mesh {
            justify-content: space-between;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .ui-node {
            background: var(--bg-alt);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            width: 28%;
            text-align: center;
            border: 1px solid rgba(15, 23, 42, 0.05);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .ui-node:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .ui-node-core {
            background: var(--text-dark);
            color: var(--bg-main);
            width: 36%;
        }

        .ui-byte {
            font-weight: 700;
            margin: 0 0 0.5rem 0;
            font-size: 1.1rem;
        }

        .ui-array {
            font-size: 0.85rem;
            opacity: 0.8;
            margin: 0;
        }

        .ui-wire {
            flex-grow: 1;
            height: 2px;
            background: linear-gradient(90deg, rgba(15,23,42,0.1) 0%, var(--accent) 50%, rgba(15,23,42,0.1) 100%);
            position: relative;
        }

        .ui-wire::after {
            content: '';
            position: absolute;
            top: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent);
        }

        /* 2. Xray Core vs V2fly (对比区块) */
        .compare-cloak {
            padding: 4rem 0;
        }

        .tunnel-byte {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 3rem 0;
            letter-spacing: -0.01em;
        }

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

        .node-cell {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.02);
            padding: 2.5rem;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }

        .node-cell:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .node-cell::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--text-muted);
        }

        .node-cell.highlight-cell::before {
            background: var(--accent);
        }

        .cell-apex {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            background: var(--bg-alt);
            color: var(--text-dark);
        }

        .highlight-cell .cell-apex {
            background: var(--text-dark);
            color: var(--accent);
        }

        .node-byte {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 1rem 0;
        }

        .node-array {
            color: var(--text-muted);
            margin: 0 0 1.5rem 0;
        }

        .mesh-flux {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mesh-flux li {
            padding-left: 1.75rem;
            position: relative;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

        .mesh-flux li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 18px;
            height: 18px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230f172a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'%3E%3C/path%3E%3C/svg%3E");
            background-size: contain;
        }

        /* 3. 如何在线更新核心 (步骤/操作) */
        .update-tunnel {
            background: var(--text-dark);
            color: var(--bg-main);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            margin: 4rem 0;
            box-shadow: var(--shadow-lg);
        }

        .update-tunnel .tunnel-byte {
            color: var(--bg-main);
            text-align: left;
            margin-bottom: 1rem;
        }
        
        .update-intro {
            color: rgba(252,253,253,0.7);
            font-size: 1.1rem;
            margin: 0 0 3rem 0;
            max-width: 600px;
        }

        .step-flux {
            gap: 2rem;
        }

        .step-cell {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 2rem;
            flex: 1 1 300px;
            position: relative;
            transition: background var(--transition);
        }

        .step-cell:hover {
            background: rgba(255,255,255,0.08);
        }

        .step-digit {
            position: absolute;
            top: -15px;
            left: 2rem;
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 800;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .step-byte {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1rem 0 0.75rem 0;
            color: var(--bg-main);
        }

        .step-array {
            color: rgba(252,253,253,0.7);
            margin: 0;
            font-size: 0.95rem;
        }

        .time-ray {
            display: inline-block;
            margin-top: 2rem;
            padding: 0.5rem 1rem;
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--accent);
        }

        /* 4. 先进协议释放网络潜能 (特性展示) */
        .protocol-cloak {
            padding: 4rem 0 6rem;
        }

        .protocol-flux {
            align-items: center;
            gap: 4rem;
        }

        .protocol-array-blip {
            flex: 1 1 400px;
        }

        .protocol-ui-blip {
            flex: 1 1 400px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .feature-cell {
            background: #ffffff;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.02);
            text-align: center;
            transition: transform var(--transition);
        }

        .feature-cell:hover {
            transform: translateY(-5px);
        }

        .feature-apex {
            width: 40px;
            height: 40px;
            margin: 0 auto 1rem;
            color: var(--accent-dark);
        }

        .feature-byte {
            font-weight: 700;
            margin: 0 0 0.5rem 0;
            font-size: 1.05rem;
        }

        .feature-array {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ==========================================================================
           页脚
           ========================================================================== */
        .sole-base {
            background: #ffffff;
            border-top: 1px solid rgba(15, 23, 42, 0.05);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

        .sole-flux {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            justify-content: space-between;
            gap: 3rem;
        }

        .sole-brand {
            flex: 1 1 250px;
        }

        .sole-byte {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin: 0 0 1rem 0;
        }

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

        .sole-links {
            flex: 2 1 400px;
            justify-content: flex-end;
            gap: 4rem;
        }

        .sole-col {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .sole-col-byte {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .sole-wire {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .sole-wire:hover {
            color: var(--text-dark);
        }

        .sole-legal {
            max-width: 1200px;
            margin: 3rem auto 0;
            padding: 2rem 1.5rem 0;
            border-top: 1px solid rgba(15, 23, 42, 0.05);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ==========================================================================
           响应式断点
           ========================================================================== */
        @media (max-width: 768px) {
            .tunnel-blip {
                padding: 1rem;
            }
            .lens-flux {
                gap: 1rem;
                justify-content: center;
                margin-top: 1rem;
                width: 100%;
            }
            .surge-blip {
                padding: 4rem 0 3rem;
            }
            .ui-mesh {
                flex-direction: column;
                gap: 1.5rem;
            }
            .ui-node, .ui-node-core {
                width: 100%;
            }
            .ui-wire {
                width: 2px;
                height: 30px;
                background: linear-gradient(180deg, rgba(15,23,42,0.1) 0%, var(--accent) 50%, rgba(15,23,42,0.1) 100%);
            }
            .ui-wire::after {
                top: 50%;
                left: -4px;
                transform: translateY(-50%);
            }
            .update-tunnel {
                padding: 2.5rem 1.5rem;
                margin: 2rem 0;
            }
            .protocol-ui-blip {
                grid-template-columns: 1fr;
            }
            .sole-links {
                justify-content: flex-start;
            }
        }

.nexus-pip-cloak,
.nexus-pip-cloak *,
.nexus-pip-cloak *::before,
.nexus-pip-cloak *::after {
    box-sizing: border-box;
}

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

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

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

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

.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire,
.nexus-pip-cloak a.nexus-radar-wire {
    --aisite-shell-nav-padding: 0.5rem 1rem;
    --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;
}

.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire,
.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire:hover,
.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire:focus,
.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire:active,
.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire.active,
.nexus-pip-cloak a.nexus-radar-wire.nexus-active-wire[aria-current="page"],
.nexus-pip-cloak a.nexus-radar-wire,
.nexus-pip-cloak a.nexus-radar-wire:hover,
.nexus-pip-cloak a.nexus-radar-wire:focus,
.nexus-pip-cloak a.nexus-radar-wire:active,
.nexus-pip-cloak a.nexus-radar-wire.active,
.nexus-pip-cloak a.nexus-radar-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);
}

.nexus-pip-cloak .nexus-tunnel-blip{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
            box-sizing: border-box;
        }

.nexus-pip-cloak{
            position: sticky;
            top: 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);
            padding: 1rem 0;
        }

.nexus-pip-cloak .nexus-radar-tunnel{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.5rem;
        }

.nexus-pip-cloak .nexus-radar-tunnel > *{
            min-width: 0;
        }

.nexus-pip-cloak .nexus-glyph{
            flex-shrink: 0;
            width: 140px;
        }

.nexus-pip-cloak .nexus-lens-flux{
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

.nexus-pip-cloak .nexus-lens-flux > *{
            min-width: 0;
        }

.nexus-pip-cloak .nexus-radar-wire{
            font-weight: 600;
            color: #475569;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: 14px;
        }

.nexus-pip-cloak .nexus-radar-wire:hover, .nexus-pip-cloak .nexus-radar-wire:focus{
            color: #0f172a;
            background-color: #f1f5f9;
        }

.nexus-pip-cloak .nexus-active-wire{
            color: #0f172a;
            background-color: #61f675;
        }

.nexus-pip-cloak .nexus-active-wire:hover{
            background-color: #4ade62;
        }

@media (max-width: 768px){.nexus-pip-cloak .nexus-radar-tunnel{
                justify-content: center;
                flex-direction: column;
                gap: 1rem;
            }

.nexus-pip-cloak .nexus-lens-flux{
                justify-content: center;
            }}

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

.base-sole-base,
.base-sole-base *,
.base-sole-base *::before,
.base-sole-base *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-sole-base .base-tunnel-blip{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
            box-sizing: border-box;
        }

.base-sole-base{
            background-color: #f1f5f9;
            padding: 3rem 0;
            text-align: center;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

.base-sole-base .base-sole-byte{
            font-size: 1.5rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 1rem;
        }

.base-sole-base .base-sole-array{
            color: #475569;
            font-size: 0.9rem;
        }