/* ==========================================================================
           视觉基因与系统变量 (Visual Family & Variables)
           ========================================================================== */
        :root {
            --primary: #2b35f5;
            --primary-hover: #1e25d0;
            --surface: #ffffff;
            --surface-alt: #f8fafc;
            --surface-dim: #f1f5f9;
            --surface-ink: #0f172a;
            --surface-ink-muted: #334155;
            --surface-ink-faint: #64748b;
            --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);
            --shadow-float: 0 30px 60px -15px rgba(15, 23, 42, 0.1);
            --transition: 0.35s ease;
            --mesh-width: 1240px;
        }

        /* ==========================================================================
           全局重置与排版基底 (Reset & Typography)
           ========================================================================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: var(--surface-ink-muted);
            background-color: var(--surface);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        /* 强制文本换行规范 */
        .ink-break {
            word-break: break-word;
            overflow-wrap: break-word;
            word-break: keep-all; /* 中文优化 */
        }

        /* ==========================================================================
           导航壳层 (Navigation Shell) - 强制复用结构样式
           ========================================================================== */
        .apex {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .cable {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: var(--mesh-width);
            margin: 0 auto;
            padding: 1rem 5%;
            min-width: 0;
        }

        .mark {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .lens-mark {
            height: 32px;
            width: auto;
        }

        .deck {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
            min-width: 0;
        }

        .dial {
            min-width: 0;
        }

        .cord {
            color: var(--surface-ink-muted);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }

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

        .cord::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
            border-radius: 2px;
        }

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

        @media (max-width: 768px) {
            .cable {
                flex-direction: column;
                gap: 1rem;
                padding: 1rem;
            }
            .deck {
                gap: 1rem;
                justify-content: center;
                width: 100%;
            }
        }

        /* ==========================================================================
           通用排版与组件 (Typography & Components)
           ========================================================================== */
        .lead-prime {
            color: var(--surface-ink);
            font-weight: 700;
            line-height: 1.2;
            font-size: clamp(2.5rem, 4vw, 4rem);
            letter-spacing: -0.03em;
            white-space: normal;
            margin-bottom: 1.5rem;
        }

        .lead-sec {
            color: var(--surface-ink);
            font-weight: 700;
            line-height: 1.3;
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            letter-spacing: -0.02em;
            white-space: normal;
            margin-bottom: 1rem;
        }

        .lead-ter {
            color: var(--surface-ink);
            font-weight: 600;
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .ink-prime {
            font-size: clamp(1.1rem, 1.5vw, 1.25rem);
            color: var(--surface-ink-muted);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .tap-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            background: var(--primary);
            color: #fff;
            padding: 1rem 2.5rem;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 8px 24px rgba(43, 53, 245, 0.25);
            cursor: pointer;
            border: none;
            outline: none;
        }

        .tap-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(43, 53, 245, 0.35);
        }

        .tap-sec {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--surface-alt);
            color: var(--surface-ink);
            padding: 0.75rem 1.5rem;
            border-radius: 100px;
            font-weight: 500;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .tap-sec:hover {
            background: var(--surface-dim);
            color: var(--primary);
        }

        /* 统一卡片语法 */
        .tape-eco {
            background: var(--surface);
            padding: 2.5rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(0,0,0,0.02);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
            height: 100%;
        }

        .tape-eco:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        /* ==========================================================================
           布局与区块 (Layout & Nodes)
           ========================================================================== */
        .mesh-case {
            max-width: var(--mesh-width);
            margin: 0 auto;
            padding: 0 5%;
            width: 100%;
        }

        .node-pad {
            padding: 6rem 0;
        }

        /* 强制Flex规则 */
        .flex-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .flex-cell {
            min-width: 0;
            flex: 1 1 300px; /* Grid替代方案，响应式良好 */
        }

        /* ==========================================================================
           首屏获取区 (Hero Acquire) - 同族变体: 创意种子 split_diagonal
           ========================================================================== */
        .spark {
            position: relative;
            min-height: 85vh;
            padding-top: 60px;
            padding-bottom: 80px;
            background: var(--surface-alt);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            overflow: hidden;
            z-index: 1;
        }

        /* 对角线切割背景增强 */
        .spark::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background: var(--surface-dim);
            transform: skewX(-15deg) translateX(20%);
            z-index: -1;
            border-left: 1px solid rgba(255,255,255,0.5);
        }

        .spark-mesh {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
            max-width: var(--mesh-width);
            margin: 0 auto;
            padding: 0 5%;
            width: 100%;
        }

        .spark-ink {
            flex: 1 1 400px;
            min-width: 0;
            z-index: 2;
        }

        .spark-lens {
            flex: 1 1 500px;
            min-width: 0;
            position: relative;
            z-index: 2;
        }

        .lens-case-spark {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-float);
            transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
            transition: transform var(--transition);
        }

        .lens-case-spark:hover {
            transform: perspective(1000px) rotateY(0) rotateX(0);
        }

        .lens-spark {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        .bolt-belt {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
            align-items: center;
        }

        .os-detect {
            font-size: 0.9rem;
            color: var(--surface-ink-faint);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        /* ==========================================================================
           移动端比较区 (Mobile Comparison)
           ========================================================================== */
        .relay {
            background: var(--surface);
            position: relative;
        }

        .seal-dot {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface-dim);
            margin-bottom: 1.5rem;
            color: var(--primary);
        }

        .feature-deck {
            list-style: none;
            margin: 1.5rem 0;
            flex-grow: 1;
        }

        .feature-dash {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            color: var(--surface-ink-muted);
        }

        .feature-dash svg {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--primary);
            margin-top: 0.1rem;
        }

        /* ==========================================================================
           桌面端比较区 (Desktop Comparison)
           ========================================================================== */
        .mesh-node {
            background: var(--surface-alt);
        }

        .tape-compact {
            padding: 2rem;
            text-align: center;
            align-items: center;
        }

        .tape-compact .seal-dot {
            margin: 0 auto 1.5rem;
            background: var(--surface);
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .dl-specs {
            width: 100%;
            text-align: left;
            margin: 1.5rem 0;
            background: var(--surface-dim);
            padding: 1rem;
            border-radius: var(--radius-sm);
        }

        .dl-specs dt {
            font-size: 0.85rem;
            color: var(--surface-ink-faint);
            margin-bottom: 0.25rem;
        }

        .dl-specs dd {
            font-size: 0.95rem;
            color: var(--surface-ink);
            font-weight: 500;
            margin-bottom: 0.75rem;
        }
        .dl-specs dd:last-child {
            margin-bottom: 0;
        }

        /* ==========================================================================
           更新日志区 (History Hub)
           ========================================================================== */
        .hub-history {
            background: var(--surface);
        }

        .timeline-case {
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-node {
            position: relative;
            padding-left: 2rem;
        }

        .timeline-node::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--surface-dim);
        }

        .timeline-dash {
            position: relative;
            margin-bottom: 3rem;
            min-width: 0;
        }

        .timeline-dash:last-child {
            margin-bottom: 0;
        }

        .timeline-dash::before {
            content: '';
            position: absolute;
            left: -2.35rem;
            top: 0.25rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--surface);
            box-shadow: 0 0 0 2px var(--surface-dim);
        }

        .timeline-date {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: block;
        }

        .timeline-lead {
            font-size: 1.25rem;
            color: var(--surface-ink);
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .timeline-ink {
            color: var(--surface-ink-muted);
        }

        /* ==========================================================================
           页脚区 (Footer Base)
           ========================================================================== */
        .root {
            background: var(--surface-ink);
            color: #fff;
            padding: 4rem 0 2rem;
        }

        .base-mesh {
            max-width: var(--mesh-width);
            margin: 0 auto;
            padding: 0 5%;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
            min-width: 0;
        }

        .base-mark {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .base-cord {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }

        .base-cord:hover {
            color: #fff;
        }

        /* ==========================================================================
           响应式断点 (Responsive)
           ========================================================================== */
        @media (max-width: 1024px) {
            .spark::before {
                width: 100%;
                transform: none;
                top: 50%;
                border-left: none;
                border-top: 1px solid rgba(255,255,255,0.5);
            }
            .lens-case-spark {
                transform: none;
            }
        }

        @media (max-width: 768px) {
            .spark {
                padding-top: 40px;
                min-height: auto;
            }
            .lead-prime {
                text-align: center;
            }
            .ink-prime {
                text-align: center;
            }
            .bolt-belt {
                justify-content: center;
            }
            .os-detect {
                justify-content: center;
            }
            .flex-cell {
                flex-basis: 100%;
            }
        }

.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; }}