/* 基础与变量重置 */
        :root {
            --brand: #2b35f5;
            --brand-hover: #1e26c2;
            --brand-light: #eef0ff;
            --ink-dark: #0f172a;
            --ink-base: #334155;
            --ink-light: #64748b;
            --surface: #ffffff;
            --surface-alt: #f8fafc;
            --surface-dim: #f1f5f9;
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow-soft: 0 12px 36px -8px rgba(43, 53, 245, 0.08);
            --shadow-hover: 0 20px 40px -12px rgba(43, 53, 245, 0.15);
            --transit: all 0.35s ease;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: var(--ink-base);
            background-color: var(--surface);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* 强制约束与文本换行 */
        .mesh-master *, p, h1, h2, h3, h4, span, a {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        p { line-height: 1.8; word-break: keep-all; }
        h1, h2, h3, h4 { white-space: normal; color: var(--ink-dark); font-weight: 700; line-height: 1.3; }
        a { text-decoration: none; color: inherit; transition: var(--transit); }
        img, svg { max-width: 100%; height: auto; display: block; }

        /* 强制Flexbox规范 */
        .deck, .cable, .flare-case, .node-tap, .belt-feats, 
        .hub-sync, .node-mesh, .hub-privacy, .node-priv, 
        .node-tape-mesh, .earth, .base-cords, .node-base {
            display: flex;
            flex-wrap: wrap;
        }
        
        .deck > *, .cable > *, .flare-case > *, .node-tap > *, 
        .belt-feats > *, .hub-sync > *, .node-mesh > *, 
        .hub-privacy > *, .node-priv > *, .node-tape-mesh > *, 
        .earth > *, .base-cords > *, .node-base > * {
            min-width: 0;
        }

        /* 布局容器 */
        .mesh-master { width: 100%; overflow-x: hidden; }
        .relay { display: block; width: 100%; }

        /* 顶部区域 (Apex) */
        .apex {
            position: fixed;
            top: 0; left: 0; right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 100;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        .cable {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            align-items: center;
            justify-content: space-between;
        }
        .mark { flex: 0 0 auto; width: 140px; }
        .lens-mark { height: 32px; width: auto; object-fit: contain; }
        
        .deck { gap: 2rem; align-items: center; }
        .cord {
            font-size: 1rem;
            font-weight: 500;
            color: var(--ink-base);
            padding: 0.5rem 0;
            position: relative;
        }
        .cord::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 0; height: 2px;
            background: var(--brand);
            transition: var(--transit);
        }
        .cord:hover, .cord.active { color: var(--brand); }
        .cord:hover::after, .cord.active::after { width: 100%; }

        /* 交互组件 (Tap) */
        .tap-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #fff;
            padding: 1rem 2.5rem;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.125rem;
            box-shadow: 0 8px 24px rgba(43, 53, 245, 0.25);
        }
        .tap-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(43, 53, 245, 0.35);
        }
        .tap-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--surface);
            color: var(--ink-dark);
            border: 2px solid var(--surface-dim);
            padding: 0.875rem 2.25rem;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.125rem;
        }
        .tap-secondary:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
        }

        /* 1. 首屏展示区 (Spark - split_diagonal prototype) */
        .spark {
            position: relative;
            min-height: 95vh;
            padding-top: 80px;
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        /* 对角线图像区域 */
        .flare-lens {
            position: absolute;
            top: 0; right: 0; bottom: 0;
            width: 58%;
            clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
            z-index: 1;
            background: var(--brand-light);
        }
        .lens-diagonal {
            width: 100%; height: 100%;
            object-fit: cover;
            object-position: center left;
        }
        /* 图像叠加渐变提升质感 */
        .flare-lens::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(248,250,252,0.8) 0%, rgba(248,250,252,0) 30%),
                        linear-gradient(0deg, rgba(43,53,245,0.1) 0%, rgba(0,0,0,0) 100%);
            pointer-events: none;
        }
        
        .flare-case {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            padding: 2rem;
            align-items: center;
        }
        .flare-ink {
            width: 48%; /* 控制文本在一侧 */
            padding-right: 4rem;
        }
        
        .lead-prime {
            font-size: clamp(2.5rem, 4vw, 4rem);
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .ink-sub {
            font-size: clamp(1.125rem, 1.5vw, 1.25rem);
            color: var(--ink-light);
            margin-bottom: 2.5rem;
        }
        .node-tap { gap: 1rem; margin-bottom: 3rem; }
        
        .belt-feats { gap: 1.5rem; }
        .dash-feat {
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ink-dark);
            background: rgba(255,255,255,0.8);
            padding: 0.5rem 1rem;
            border-radius: 100px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(0,0,0,0.05);
        }
        .dash-feat svg { width: 20px; height: 20px; margin-right: 8px; color: var(--brand); }

        /* 2. 云同步能力区 (Pulse) */
        .pulse {
            padding: 8rem 2rem;
            background: var(--surface);
        }
        .hub-sync {
            max-width: 1400px;
            margin: 0 auto;
            align-items: center;
            gap: 6rem;
        }
        .case-sync-ink { flex: 1 1 45%; }
        .case-sync-lens { flex: 1 1 45%; position: relative; }
        
        .lead-sec {
            font-size: clamp(2rem, 3vw, 2.75rem);
            margin-bottom: 1.5rem;
        }
        .ink-body {
            font-size: 1.125rem;
            color: var(--ink-light);
            margin-bottom: 3rem;
        }
        
        .node-mesh { gap: 2rem; }
        .gram-sync {
            width: 100%;
            background: var(--surface-alt);
            padding: 2rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transit);
        }
        .gram-sync:hover {
            transform: translateX(10px);
            background: var(--surface);
            box-shadow: var(--shadow-soft);
            border-color: var(--brand-light);
        }
        .dot-case {
            width: 48px; height: 48px;
            background: var(--brand-light);
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            margin-bottom: 1.5rem;
        }
        .dot-case svg { width: 24px; height: 24px; color: var(--brand); }
        .lead-tert { font-size: 1.25rem; margin-bottom: 0.75rem; }
        
        .lens-float {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transit);
        }
        .case-sync-lens:hover .lens-float {
            transform: perspective(1000px) rotateY(0deg) translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        .case-sync-lens::before {
            content: '';
            position: absolute;
            top: -20%; right: -20%;
            width: 400px; height: 400px;
            background: var(--brand-light);
            border-radius: 50%;
            z-index: -1;
            filter: blur(80px);
            opacity: 0.6;
        }

        /* 3. 隐私上下文区 (Mesh Context) */
        .mesh-context {
            padding: 8rem 2rem;
            background: var(--ink-dark);
            color: var(--surface);
        }
        .hub-privacy {
            max-width: 1400px;
            margin: 0 auto;
            align-items: center;
            gap: 6rem;
            flex-direction: row-reverse; /* 图片在左，文字在右 */
        }
        .case-priv-lens { flex: 1 1 45%; }
        .case-priv-ink { flex: 1 1 45%; }
        
        .mesh-context .lead-sec { color: var(--surface); }
        .mesh-context .ink-body { color: #94a3b8; }
        
        .lens-shield {
            border-radius: var(--radius-lg);
            border: 8px solid rgba(255,255,255,0.05);
        }
        
        .node-priv { gap: 2rem; flex-direction: column; margin-bottom: 3rem; }
        .dash-priv { display: flex; align-items: flex-start; gap: 1.5rem; }
        .dot-inline {
            flex-shrink: 0;
            width: 36px; height: 36px;
            border-radius: 50%;
            background: rgba(43, 53, 245, 0.2);
            border: 1px solid var(--brand);
            display: flex; align-items: center; justify-content: center;
            margin-top: 4px;
        }
        .dot-inline svg { width: 18px; height: 18px; color: #a5b4fc; }
        .ink-priv-case h4 { color: var(--surface); font-size: 1.25rem; margin-bottom: 0.5rem; }
        .ink-priv-case p { color: #94a3b8; font-size: 1rem; margin: 0; }
        
        .cord-bolt {
            display: inline-flex;
            align-items: center;
            color: #a5b4fc;
            font-weight: 600;
            font-size: 1.125rem;
        }
        .cord-bolt:hover { color: #ffffff; transform: translateX(5px); }

        /* 4. 生态证明区 (Relay Proof) */
        .relay-proof {
            padding: 8rem 2rem;
            background: linear-gradient(180deg, var(--surface) 0%, var(--surface-dim) 100%);
        }
        .hub-eco { max-width: 1400px; margin: 0 auto; }
        .case-eco-apex {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 5rem;
        }
        
        .node-tape-mesh {
            gap: 2rem;
            justify-content: center;
            margin-bottom: 4rem;
        }
        .tape-eco {
            flex: 1 1 300px;
            background: var(--surface);
            padding: 3rem 2rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            text-align: center;
            transition: var(--transit);
            border: 1px solid rgba(0,0,0,0.02);
        }
        .tape-eco:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        .dot-large {
            width: 80px; height: 80px;
            margin: 0 auto 2rem;
            background: var(--brand-light);
            border-radius: 24px;
            display: flex; align-items: center; justify-content: center;
            transform: rotate(-5deg);
            transition: var(--transit);
        }
        .tape-eco:hover .dot-large { transform: rotate(0deg) scale(1.1); }
        .dot-large svg { width: 40px; height: 40px; color: var(--brand); }
        .tape-eco p { margin-top: 1rem; color: var(--ink-light); }
        
        .case-eco-bolt { text-align: center; }

        /* 页脚 (Root) */
        .root {
            background: var(--surface);
            padding: 6rem 2rem 2rem;
            border-top: 1px solid rgba(0,0,0,0.05);
        }
        .earth {
            max-width: 1400px;
            margin: 0 auto;
            gap: 4rem;
            justify-content: space-between;
            margin-bottom: 4rem;
        }
        .base-brand { flex: 1 1 300px; }
        .lead-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ink-dark);
            display: block;
            margin-bottom: 1rem;
        }
        .ink-base { color: var(--ink-light); max-width: 300px; }
        
        .base-cords { flex: 2 1 600px; justify-content: flex-end; gap: 4rem; }
        .node-base { flex-direction: column; gap: 1rem; }
        .lead-base { font-weight: 700; color: var(--ink-dark); margin-bottom: 0.5rem; display: block; }
        .cord-base { color: var(--ink-light); }
        .cord-base:hover { color: var(--brand); }
        
        .base-legal {
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }
        .ink-ink { color: #94a3b8; font-size: 0.875rem; }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .flare-ink { width: 55%; padding-right: 2rem; }
            .flare-lens { width: 55%; clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%); }
            .hub-sync, .hub-privacy { gap: 3rem; }
        }
        
        @media (max-width: 768px) {
            .cable { padding: 1rem; }
            .deck { display: none; /* 移动端简化隐藏导航，保留核心内容区 */ }
            
            /* 移动端 Hero 变为上下结构 */
            .spark { padding-top: 100px; min-height: auto; align-items: flex-start; }
            .flare-case { flex-direction: column; padding: 1rem; }
            .flare-ink { width: 100%; padding-right: 0; text-align: center; margin-bottom: 3rem; }
            .flare-lens {
                position: relative;
                width: 100%;
                height: 300px;
                clip-path: polygon(0 10%, 100% 0, 100% 100%, 0 100%);
                border-radius: var(--radius-lg);
                overflow: hidden;
            }
            .node-tap { justify-content: center; }
            .belt-feats { justify-content: center; }
            
            .hub-sync, .hub-privacy { flex-direction: column; }
            .case-sync-lens, .case-priv-lens { order: -1; width: 100%; }
            .mesh-context { padding: 4rem 1rem; }
            .pulse, .relay-proof { padding: 4rem 1rem; }
            
            .base-cords { justify-content: flex-start; }
        }

.cable-apex {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--ink-base);
}
.cable-apex,
.cable-apex *,
.cable-apex *::before,
.cable-apex *::after {
    box-sizing: border-box;
}

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

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

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

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

.cable-apex a.cable-cord {
    --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;
}

.cable-apex a.cable-cord,
.cable-apex a.cable-cord:hover,
.cable-apex a.cable-cord:focus,
.cable-apex a.cable-cord:active,
.cable-apex a.cable-cord.active,
.cable-apex a.cable-cord[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);
}

.cable-apex .cable-deck, .cable-apex .cable-cable{
            display: flex;
            flex-wrap: wrap;
        }

.cable-apex .cable-deck > *, .cable-apex .cable-cable > *{
            min-width: 0;
        }

.cable-apex{
            position: fixed;
            top: 0; left: 0; right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 100;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

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

.cable-apex .cable-mark{ flex: 0 0 auto; width: 140px; }

.cable-apex .cable-lens-mark{ height: 32px; width: auto; object-fit: contain; }

.cable-apex .cable-deck{ gap: 2rem; align-items: center; }

.cable-apex .cable-cord{
            font-size: 1rem;
            font-weight: 500;
            color: #334155;
            padding: 0.5rem 0;
            position: relative;
        }

.cable-apex .cable-cord::after{
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 0; height: 2px;
            background: #2b35f5;
            transition: all 0.35s ease;
        }

.cable-apex .cable-cord:hover, .cable-apex .cable-cord.active{ color: #2b35f5; }

.cable-apex .cable-cord:hover::after, .cable-apex .cable-cord.active::after{ width: 100%; }

@media (max-width: 768px){.cable-apex .cable-cable{ padding: 1rem; }

.cable-apex .cable-deck{ display: none;  }}

.cable-apex {
    background: rgb(255, 255, 255);
    background-image: none;
}

.base-root {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--ink-base);
}
.base-root,
.base-root *,
.base-root *::before,
.base-root *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-root .base-earth, .base-root .base-base-cords, .base-root .base-node-base{
            display: flex;
            flex-wrap: wrap;
        }

.base-root .base-earth > *, .base-root .base-base-cords > *, .base-root .base-node-base > *{
            min-width: 0;
        }

.base-root{
            background: #ffffff;
            padding: 6rem 2rem 2rem;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

.base-root .base-earth{
            max-width: 1400px;
            margin: 0 auto;
            gap: 4rem;
            justify-content: space-between;
            margin-bottom: 4rem;
        }

.base-root .base-base-brand{ flex: 1 1 300px; }

.base-root .base-lead-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #0f172a;
            display: block;
            margin-bottom: 1rem;
        }

.base-root .base-ink-base{ color: #64748b; max-width: 300px; }

.base-root .base-base-cords{ flex: 2 1 600px; justify-content: flex-end; gap: 4rem; }

.base-root .base-node-base{ flex-direction: column; gap: 1rem; }

.base-root .base-lead-base{ font-weight: 700; color: #0f172a; margin-bottom: 0.5rem; display: block; }

.base-root .base-cord-base{ color: #64748b; }

.base-root .base-cord-base:hover{ color: #2b35f5; }

.base-root .base-base-legal{
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }

.base-root .base-ink-ink{ color: #94a3b8; font-size: 0.875rem; }

@media (max-width: 768px){.base-root .base-base-cords{ justify-content: flex-start; }}