/* ==========================================================================
           1. CSS 变量与设计令牌 (继承首页视觉家族)
           ========================================================================== */
        :root {
            /* 核心品牌色 */
            --color-primary: #5f72de;
            --color-primary-dark: #4658b5;
            --color-primary-light: #e6ebfc;
            --color-accent: #00d2ff;
            
            /* 中性色 / 文本 / 背景 */
            --color-text-main: #1c1e21;
            --color-text-muted: #606770;
            --color-bg-base: #f8f9fa;
            --color-bg-surface: #ffffff;
            --color-border: rgba(95, 114, 222, 0.15);
            
            /* 形状与阴影 */
            --radius-soft: 22px;
            --radius-pill: 50px;
            --radius-inner: 16px;
            --shadow-float: 0 25px 50px rgba(0, 0, 0, 0.08);
            --shadow-surface: 0 10px 30px rgba(28, 30, 33, 0.05);
            --shadow-ping: 0 8px 20px rgba(95, 114, 222, 0.3);
            
            /* 动效 */
            --ease-standard: 0.15s ease;
            --ease-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            
            /* 布局 */
            --hub-width: 1240px;
            --space-layout: clamp(3rem, 6vw, 6rem);
        }

        /* ==========================================================================
           2. 基础重置与排版
           ========================================================================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            color: var(--color-text-main);
            background-color: var(--color-bg-base);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 强制文本容器规则 */
        .tale-body, 
        .apex-huge, 
        .apex-major, 
        .apex-minor,
        p, h1, h2, h3, h4, span, a {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        p, span {
            word-break: keep-all; /* 中文优化 */
        }

        h1, h2, h3 {
            white-space: normal;
            font-weight: 800;
            color: var(--color-text-main);
            letter-spacing: -0.02em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all var(--ease-standard);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 强制 Flex 规则封装 */
        .sync-flex {
            display: flex;
            flex-wrap: wrap;
        }
        
        .sync-flex > * {
            min-width: 0;
        }

        /* 核心版心容器 */
        .hub-core {
            width: 100%;
            max-width: var(--hub-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ==========================================================================
           3. 导航栏区域 (严格复用首页结构与样式)
           ========================================================================== */
        .radar-pod {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(248, 249, 250, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all var(--ease-standard);
        }

        .radar-hub {
            max-width: var(--hub-width);
            margin: 0 auto;
            padding: 1rem 1.5rem;
            align-items: center;
            justify-content: space-between;
        }

        .crest {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            border-radius: 50%;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(95, 114, 222, 0.3);
        }

        .crest img {
            width: 60%;
            height: auto;
            filter: brightness(0) invert(1);
        }

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

        .radar-node {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-muted);
            padding: 0.5rem 0;
            position: relative;
        }

        .radar-node::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--ease-standard);
            border-radius: 2px;
        }

        .radar-node:hover,
        .radar-node:focus {
            color: var(--color-primary);
        }

        .radar-node:hover::after,
        .radar-node.active::after {
            width: 100%;
        }

        .radar-node.active {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .fleet {
                display: none; /* 移动端简化，依靠系统后处理或实际应用中的折叠逻辑，此处按要求仅实现基础样式保障不出错 */
            }
        }

        /* ==========================================================================
           4. 主内容区 - Hero (突破网络限制) - 创意: split_diagonal
           ========================================================================== */
        .nimbus-zone {
            padding-top: calc(80px + var(--space-layout));
            padding-bottom: var(--space-layout);
            position: relative;
            overflow: hidden;
            background: var(--color-bg-base);
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        /* 创意背景：斜向分割线效果 */
        .nimbus-zone::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 50%;
            background: linear-gradient(135deg, var(--color-primary-light) 0%, rgba(230, 235, 252, 0.2) 100%);
            transform: skewX(-15deg) translateX(10%);
            transform-origin: top left;
            z-index: 0;
            border-radius: 40px 0 0 40px;
        }

        .nimbus-layout {
            position: relative;
            z-index: 1;
            align-items: center;
            justify-content: space-between;
            gap: 4rem;
        }

        .nimbus-tale {
            flex: 1 1 500px;
        }

        .apex-pip {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 1rem;
            background: rgba(95, 114, 222, 0.1);
            color: var(--color-primary-dark);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-pill);
            margin-bottom: 1.5rem;
            border: 1px solid var(--color-border);
        }

        .apex-huge {
            font-size: clamp(2.5rem, 4.5vw, 4rem);
            line-height: 1.15;
            margin-bottom: 1.5rem;
            color: var(--color-text-main);
        }

        .apex-huge span {
            color: var(--color-primary);
            position: relative;
            display: inline-block;
        }

        .apex-huge span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: var(--color-accent);
            opacity: 0.3;
            z-index: -1;
            border-radius: 4px;
        }

        .nimbus-tale p {
            font-size: clamp(1.1rem, 1.5vw, 1.25rem);
            color: var(--color-text-muted);
            margin-bottom: 2.5rem;
            max-width: 90%;
        }

        .ping-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2.5rem;
            background: var(--color-primary);
            color: var(--color-bg-surface);
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-ping);
            gap: 0.5rem;
        }

        .ping-primary:hover,
        .ping-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(95, 114, 222, 0.4);
        }

        .ping-primary svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
            transition: transform var(--ease-standard);
        }

        .ping-primary:hover svg {
            transform: translateX(4px);
        }

        .nimbus-visual {
            flex: 1 1 400px;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* 抽象几何网络节点动效图形 */
        .abstract-mesh {
            width: 100%;
            max-width: 500px;
            aspect-ratio: 1;
            position: relative;
        }
        
        .mesh-ring {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            border: 1px dashed var(--color-primary);
            opacity: 0.2;
        }
        
        .mesh-ring-1 { width: 100%; height: 100%; animation: spin 30s linear infinite; }
        .mesh-ring-2 { width: 70%; height: 70%; animation: spin 20s linear infinite reverse; }
        .mesh-ring-3 { width: 40%; height: 40%; border-style: solid; opacity: 0.1; background: var(--color-primary-light); }
        
        .mesh-node {
            position: absolute;
            background: var(--color-surface);
            border: 3px solid var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(95, 114, 222, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }
        
        .mesh-node-center {
            width: 80px; height: 80px; top: 50%; left: 50%; transform: translate(-50%, -50%);
            background: var(--color-primary);
            border: none;
        }
        
        .mesh-node-1 { width: 40px; height: 40px; top: 10%; left: 20%; animation: float 4s ease-in-out infinite; }
        .mesh-node-2 { width: 50px; height: 50px; bottom: 15%; right: 15%; animation: float 5s ease-in-out infinite 1s; }
        .mesh-node-3 { width: 30px; height: 30px; top: 40%; right: 5%; animation: float 3s ease-in-out infinite 0.5s; }

        @keyframes spin { 100% { transform: translate(-50%, -50%) rotate(360deg); } }
        @keyframes float { 
            0%, 100% { transform: translateY(0); } 
            50% { transform: translateY(-15px); } 
        }

        /* ==========================================================================
           5. 主内容区 - Comparison (为什么选择MTProxy)
           ========================================================================== */
        .vault-compare {
            padding: var(--space-layout) 0;
            background: var(--color-bg-surface);
            position: relative;
        }

        .apex-center {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 4rem;
        }

        .apex-major {
            font-size: clamp(2rem, 3vw, 2.5rem);
            margin-bottom: 1rem;
        }

        .tale-center {
            color: var(--color-text-muted);
            font-size: 1.1rem;
        }

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

        .packet-drop {
            background: var(--color-bg-base);
            border-radius: var(--radius-soft);
            padding: 3rem 2rem;
            border: 1px solid rgba(0,0,0,0.03);
            transition: all var(--ease-smooth);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .packet-drop::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity var(--ease-standard);
        }

        .packet-drop:hover,
        .packet-drop:focus-within {
            transform: translateY(-10px);
            box-shadow: var(--shadow-float);
            background: var(--color-bg-surface);
            border-color: var(--color-primary-light);
        }
        
        .packet-drop:hover::before {
            opacity: 1;
        }

        .glyph-vault {
            width: 70px;
            height: 70px;
            background: var(--color-primary-light);
            border-radius: var(--radius-inner);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--color-primary);
            transition: transform var(--ease-smooth);
        }

        .packet-drop:hover .glyph-vault {
            transform: scale(1.1) rotate(-5deg);
            background: var(--color-primary);
            color: var(--color-bg-surface);
            box-shadow: var(--shadow-ping);
        }

        .glyph-vault svg {
            width: 32px;
            height: 32px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .apex-minor {
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }

        .tale-desc {
            color: var(--color-text-muted);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ==========================================================================
           6. 主内容区 - Steps (配置步骤)
           ========================================================================== */
        .orbit-steps {
            padding: var(--space-layout) 0;
            background: var(--color-bg-base);
        }

        .step-lane {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }

        /* 桌面端垂直连接线 */
        @media (min-width: 769px) {
            .step-lane::before {
                content: '';
                position: absolute;
                top: 0;
                bottom: 0;
                left: 40px;
                width: 2px;
                background: linear-gradient(to bottom, var(--color-primary) 0%, rgba(95, 114, 222, 0.1) 100%);
                z-index: 0;
            }
        }

        .note-step {
            position: relative;
            z-index: 1;
            margin-bottom: 3rem;
            padding-left: 0;
        }
        
        .note-step:last-child {
            margin-bottom: 0;
        }

        .step-pod {
            background: var(--color-bg-surface);
            border-radius: var(--radius-soft);
            padding: 2.5rem;
            box-shadow: var(--shadow-surface);
            border: 1px solid rgba(0,0,0,0.02);
            transition: transform var(--ease-standard);
        }

        .step-pod:hover {
            transform: translateX(5px);
        }

        .glyph-marker {
            width: 80px;
            height: 80px;
            background: var(--color-primary);
            color: var(--color-bg-surface);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            box-shadow: var(--shadow-ping);
            margin-bottom: 1.5rem;
        }

        /* 桌面端布局调整 */
        @media (min-width: 769px) {
            .note-step {
                padding-left: 100px;
            }
            .glyph-marker {
                position: absolute;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                margin-bottom: 0;
                border: 8px solid var(--color-bg-base); /* 挖空效果 */
            }
            .step-pod:hover {
                transform: translateX(10px);
            }
        }

        .step-apex {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--color-primary-dark);
        }

        .step-tale {
            color: var(--color-text-muted);
            font-size: 1.05rem;
        }

        .code-mock {
            margin-top: 1.5rem;
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 1rem 1.5rem;
            border-radius: 12px;
            font-family: monospace;
            font-size: 0.9rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            overflow-x: auto;
        }
        
        .code-mock span {
            white-space: nowrap;
        }

        /* ==========================================================================
           7. 页脚区域
           ========================================================================== */
        .anchor-zone {
            background: #111318;
            color: rgba(255,255,255,0.7);
            padding: 4rem 0 2rem;
            margin-top: auto;
        }

        .root-layout {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 2rem;
        }

        .anchor-brand {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-bg-surface);
            letter-spacing: -0.03em;
        }

        .anchor-links {
            gap: 1.5rem;
            justify-content: center;
        }

        .anchor-links a {
            font-size: 0.95rem;
        }

        .anchor-links a:hover {
            color: var(--color-primary-light);
        }

        .anchor-tale {
            font-size: 0.85rem;
            opacity: 0.5;
            margin-top: 2rem;
            width: 100%;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
        }

        /* ==========================================================================
           8. 响应式规则 (移动端优先补充)
           ========================================================================== */
        @media (max-width: 1024px) {
            .nimbus-zone::before {
                transform: skewX(0) translateX(30%);
                opacity: 0.5;
            }
            .abstract-mesh {
                max-width: 350px;
            }
        }

        @media (max-width: 768px) {
            .nimbus-layout {
                flex-direction: column;
                text-align: center;
                gap: 2rem;
            }
            .nimbus-zone::before {
                display: none;
            }
            .apex-huge span::after {
                left: 50%;
                transform: translateX(-50%);
            }
            .nimbus-tale p {
                margin: 0 auto 2.5rem;
            }
            .abstract-mesh {
                max-width: 280px;
            }
            .step-pod {
                padding: 1.5rem;
            }
        }

.radar-radar-pod {
    font-family: var(--font-sans);
    line-height: 1.65;
    color: var(--color-text-main);
}
.radar-radar-pod,
.radar-radar-pod *,
.radar-radar-pod *::before,
.radar-radar-pod *::after {
    box-sizing: border-box;
}

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

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

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

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

.radar-radar-pod a.radar-radar-node {
    --aisite-shell-nav-padding: 0.5rem 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;
}

.radar-radar-pod a.radar-radar-node,
.radar-radar-pod a.radar-radar-node:hover,
.radar-radar-pod a.radar-radar-node:focus,
.radar-radar-pod a.radar-radar-node:active,
.radar-radar-pod a.radar-radar-node.active,
.radar-radar-pod a.radar-radar-node[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);
}

.radar-radar-pod .radar-sync-flex{
            display: flex;
            flex-wrap: wrap;
        }

.radar-radar-pod .radar-sync-flex > *{
            min-width: 0;
        }

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

.radar-radar-pod .radar-radar-hub{
            max-width: 1320px;
            margin: 0 auto;
            padding: 1rem 5%;
            justify-content: space-between;
            align-items: center;
        }

.radar-radar-pod .radar-crest img{
            height: 36px;
            width: auto;
            display: block;
        }

.radar-radar-pod .radar-fleet{
            gap: 2rem;
            align-items: center;
        }

.radar-radar-pod .radar-radar-node{
            font-size: 0.95rem;
            font-weight: 500;
            color: #1c1e21;
            transition: all 0.15s ease;
            position: relative;
            padding: 0.5rem 0;
        }

.radar-radar-pod .radar-radar-node::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #5f72de;
            transition: all 0.15s ease;
        }

.radar-radar-pod .radar-radar-node:hover{
            color: #5f72de;
        }

.radar-radar-pod .radar-radar-node:hover::after, .radar-radar-pod .radar-radar-node.active::after{
            width: 100%;
        }

.radar-radar-pod .radar-radar-node.active{
            color: #5f72de;
        }

@media (max-width: 768px){.radar-radar-pod .radar-fleet{
                display: none; 
            }}

.radar-radar-pod {
    background: rgb(255, 255, 255);
    background-image: none;
}

.anchor-anchor-bottom {
    font-family: var(--font-sans);
    line-height: 1.65;
    color: var(--color-text-main);
}
.anchor-anchor-bottom,
.anchor-anchor-bottom *,
.anchor-anchor-bottom *::before,
.anchor-anchor-bottom *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.anchor-anchor-bottom .anchor-sync-flex{
            display: flex;
            flex-wrap: wrap;
        }

.anchor-anchor-bottom .anchor-sync-flex > *{
            min-width: 0;
        }

.anchor-anchor-bottom{
            background: #111424;
            color: rgba(255,255,255,0.7);
            padding: 4rem 5% 2rem;
        }

.anchor-anchor-bottom .anchor-wake-inner{
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
        }

.anchor-anchor-bottom .anchor-brand-tale{
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
        }

.anchor-anchor-bottom .anchor-wake-nodes{
            gap: 1.5rem;
        }

.anchor-anchor-bottom .anchor-wake-nodes a{
            transition: all 0.15s ease;
        }

.anchor-anchor-bottom .anchor-wake-nodes a:hover{
            color: #fff;
        }

@media (max-width: 768px){.anchor-anchor-bottom .anchor-wake-inner{
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }}