:root {
            --primary: #8c42e6;
            --primary-soft: #f4eeff;
            --text: #1a1a1a;
            --text-dim: #666666;
            --bg: #ffffff;
            --bg-alt: #f9f9f9;
            --radius: 16px;
            --shadow: 0 10px 30px rgba(140, 66, 230, 0.08);
            --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.05);
            --transition: 0.25s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 复用首页导航栏风格 */
        .brim {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 5%;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

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

        .knot {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

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

        .knot-vine:hover {
            color: var(--primary);
        }

        .knot-vine.active {
            color: var(--primary);
        }

        .knot-vine.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        /* 页面骨架布局 */
        main {
            display: block;
            width: 100%;
        }

        /* 1. Hero Download - acquire */
        .flare {
            padding: 8rem 5% 4rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1400px;
            margin: 0 auto;
            gap: 4rem;
        }

        .prime-hollow {
            flex: 1;
            min-width: 320px;
        }

        .apex {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            line-height: 1.1;
            letter-spacing: -0.03em;
            color: var(--text);
            margin-bottom: 2rem;
        }

        .aura {
            font-size: 1.25rem;
            color: var(--text-dim);
            max-width: 540px;
            margin-bottom: 3rem;
        }

        .flock-jolt {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

        .snap-primary {
            display: inline-flex;
            align-items: center;
            padding: 1.2rem 2.8rem;
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(140, 66, 230, 0.2);
        }

        .snap-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(140, 66, 230, 0.3);
        }

        .snap-sec {
            display: inline-flex;
            align-items: center;
            padding: 1.2rem 2.2rem;
            background: var(--bg-alt);
            color: var(--text);
            text-decoration: none;
            border-radius: var(--radius);
            font-weight: 600;
            transition: var(--transition);
        }

        .snap-sec:hover {
            background: #f0f0f0;
        }

        .scenix-lens {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .scenix-lens img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow-heavy);
        }

        .vein-verify {
            margin-top: 1.5rem;
            padding: 1rem;
            background: var(--bg-alt);
            border-radius: 12px;
            font-family: monospace;
            font-size: 0.85rem;
            color: var(--text-dim);
            border: 1px dashed #ddd;
        }

        /* 2. Platform Matrix - comparison */
        .cosmo-sphere {
            background: var(--bg-alt);
            padding: 6rem 5%;
        }

        .sphere-veil {
            max-width: 1400px;
            margin: 0 auto;
        }

        .apex-mid {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 4rem;
        }

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

        .cellum-framex {
            background: var(--bg);
            padding: 3rem;
            border-radius: var(--radius);
            transition: var(--transition);
            border: 1px solid rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cellum-framex:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
        }

        .glyph-mark {
            width: 60px;
            height: 60px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            border-radius: 14px;
            color: var(--primary);
        }

        .glyph-mark svg {
            width: 32px;
            height: 32px;
        }

        .cellum-apex {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .cellum-aura {
            color: var(--text-dim);
            font-size: 1rem;
            margin-bottom: 2rem;
        }

        .flick-vine {
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* 3. Changelog - comparison */
        .datum-sedim {
            padding: 6rem 5%;
            max-width: 1000px;
            margin: 0 auto;
        }

        .sedim-leaf {
            margin-bottom: 3rem;
            padding-left: 2rem;
            border-left: 2px solid var(--primary-soft);
            position: relative;
        }

        .sedim-leaf::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 10px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
        }

        .leaf-apex {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .leaf-apex span {
            font-size: 0.8rem;
            padding: 0.2rem 0.6rem;
            background: #e1ffec;
            color: #1a7f37;
            border-radius: 4px;
        }

        .leaf-aura {
            color: var(--text-dim);
        }

        .leaf-flock {
            list-style: none;
            margin-top: 1rem;
        }

        .leaf-flock li {
            padding: 0.4rem 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .leaf-flock li::before {
            content: "→";
            color: var(--primary);
        }

        /* Aside - FAQ */
        .aside-spire {
            background: #fff;
            padding: 4rem 5% 6rem;
            max-width: 800px;
            margin: 0 auto;
        }

        details {
            margin-bottom: 1rem;
            border: 1px solid #eee;
            border-radius: 12px;
            overflow: hidden;
        }

        summary {
            padding: 1.2rem;
            cursor: pointer;
            font-weight: 600;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
        }

        summary::after {
            content: "+";
            font-size: 1.2rem;
        }

        details[open] summary::after {
            content: "−";
        }

        .details-aura {
            padding: 1.2rem;
            background: var(--bg-alt);
            color: var(--text-dim);
            border-top: 1px solid #eee;
        }

        /* Footer */
        .curb {
            padding: 5rem 5% 3rem;
            background: var(--bg);
            border-top: 1px solid rgba(0,0,0,0.05);
            max-width: 1400px;
            margin: 0 auto;
        }

        .curb-hollow {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
        }

        .curb-brand {
            flex: 1;
            min-width: 240px;
        }

        .curb-sigil {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .curb-knot {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
        }

        .curb-flock {
            min-width: 140px;
        }

        .curb-apex {
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

        .curb-vine {
            display: block;
            text-decoration: none;
            color: var(--text-dim);
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }

        .curb-vine:hover {
            color: var(--primary);
        }

        .curb-finis {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid #eee;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .flare { padding: 4rem 5%; }
            .knot { gap: 1.5rem; }
        }

        @media (max-width: 768px) {
            .flare { flex-direction: column; text-align: center; }
            .prime-hollow { order: 2; }
            .scenix-lens { order: 1; width: 100%; }
            .aura { margin: 0 auto 3rem; }
            .flock-jolt { justify-content: center; }
            .curb-knot { gap: 2rem; }
            .vessel-flock { grid-template-columns: 1fr; }
        }

.vortex-brim {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.8;
    color: var(--text);
}
.vortex-brim,
.vortex-brim *,
.vortex-brim *::before,
.vortex-brim *::after {
    box-sizing: border-box;
}

.vortex-brim nav,
.vortex-brim div,
.vortex-brim section,
.vortex-brim article,
.vortex-brim aside,
.vortex-brim p,
.vortex-brim h1,
.vortex-brim h2,
.vortex-brim h3,
.vortex-brim h4,
.vortex-brim h5,
.vortex-brim h6,
.vortex-brim a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

.vortex-brim a.vortex-knot-vine {
    --aisite-shell-nav-padding: 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;
}

.vortex-brim a.vortex-knot-vine,
.vortex-brim a.vortex-knot-vine:hover,
.vortex-brim a.vortex-knot-vine:focus,
.vortex-brim a.vortex-knot-vine:active,
.vortex-brim a.vortex-knot-vine.active,
.vortex-brim a.vortex-knot-vine[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);
}

.vortex-brim{
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 2rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

.vortex-brim .vortex-knot{
            display: flex;
            gap: 2rem;
            align-items: center;
        }

.vortex-brim .vortex-knot-vine{
            text-decoration: none;
            color: #1a1a1a;
            font-weight: 500;
            transition: color 0.25s ease;
        }

.vortex-brim .vortex-knot-vine:hover, .vortex-brim .vortex-knot-vine.active{
            color: #8c42e6;
        }

.vortex-brim .vortex-sigil img{
            height: 32px;
            width: auto;
        }

@media (max-width: 768px){.vortex-brim .vortex-knot{ display: none; }}

.datum-curb {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.8;
    color: var(--text);
}
.datum-curb,
.datum-curb *,
.datum-curb *::before,
.datum-curb *::after {
    box-sizing: border-box;
}

.datum-curb nav,
.datum-curb div,
.datum-curb section,
.datum-curb article,
.datum-curb aside,
.datum-curb p,
.datum-curb h1,
.datum-curb h2,
.datum-curb h3,
.datum-curb h4,
.datum-curb h5,
.datum-curb h6,
.datum-curb a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

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

.datum-curb{
            padding: 4rem 5%;
            text-align: center;
            border-top: 1px solid #eee;
            margin-top: 4rem;
        }