:root {
            --v54o-primary: #7f4cf8;
            --v54o-primary-soft: #f4f0ff;
            --v54o-accent: #00d2ff;
            --v54o-text: #1d1d1f;
            --v54o-text-dim: #6e6e73;
            --v54o-bg: #ffffff;
            --v54o-radius: 22px;
            --v54o-shadow: 0 20px 40px rgba(127, 76, 248, 0.12);
            --v54o-transition: 0.35s ease;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--v54o-bg);
            color: var(--v54o-text);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 强制复用导航栏样式 */
        .v54o-orbit {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        .v54o-aura {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .v54o-logo img { height: 32px; width: auto; }
        .v54o-trace { display: flex; gap: 32px; }
        .v54o-trace-link {
            text-decoration: none;
            color: var(--v54o-text-dim);
            font-weight: 500;
            font-size: 15px;
            transition: var(--v54o-transition);
        }
        .v54o-trace-link:hover, .v54o-trace-link.active { color: var(--v54o-primary); }

        /* 舞台型Hero区: card_float */
        .v54o-flare {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% -20%, #f4f0ff 0%, #ffffff 70%);
            text-align: center;
            position: relative;
        }
        .v54o-nexus {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .v54o-apex {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1d1d1f 0%, #7f4cf8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .v54o-field {
            max-width: 700px;
            color: var(--v54o-text-dim);
            font-size: 19px;
            margin-bottom: 60px;
        }

        /* 悬浮平台卡片系统 */
        .v54o-pulse {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            perspective: 1000px;
            width: 100%;
        }
        .v54o-shard {
            min-width: 280px;
            flex: 1;
            max-width: 320px;
            background: #ffffff;
            border-radius: var(--v54o-radius);
            padding: 48px 32px;
            box-shadow: var(--v54o-shadow);
            border: 1px solid rgba(127, 76, 248, 0.05);
            transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.4s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            animation: v54o-float 6s ease-in-out infinite alternate;
        }
        .v54o-shard:nth-child(2) { animation-delay: -2s; transform: translateY(-20px); }
        .v54o-shard:nth-child(3) { animation-delay: -4s; }
        
        @keyframes v54o-float {
            from { transform: translateY(0px) rotateX(0deg); }
            to { transform: translateY(-25px) rotateX(2deg); }
        }

        .v54o-shard:hover {
            transform: translateY(-35px) scale(1.02);
            box-shadow: 0 40px 80px rgba(127, 76, 248, 0.18);
        }

        .v54o-pod-icon {
            width: 80px;
            height: 80px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--v54o-primary-soft);
            border-radius: 20px;
            color: var(--v54o-primary);
        }
        .v54o-pod-icon svg { width: 40px; height: 40px; fill: currentColor; }

        .v54o-pod-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .v54o-pod-meta {
            font-size: 14px;
            color: var(--v54o-text-dim);
            margin-bottom: 32px;
        }

        .v54o-bolt {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            background: var(--v54o-primary);
            color: #ffffff;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            width: 100%;
            transition: var(--v54o-transition);
            box-shadow: 0 10px 20px rgba(127, 76, 248, 0.2);
        }
        .v54o-bolt:hover {
            background: #6a39e0;
            transform: scale(1.05);
        }
        .v54o-bolt svg { margin-right: 10px; width: 20px; height: 20px; }

        /* 版本特性区 */
        .v54o-aura-deep {
            padding: 100px 0;
            background: #fafafa;
        }
        .v54o-field-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 50px;
        }
        .v54o-pod-feature {
            flex: 1;
            min-width: 300px;
            background: #ffffff;
            padding: 40px;
            border-radius: var(--v54o-radius);
            border: 1px solid rgba(0,0,0,0.03);
        }
        .v54o-pod-feature h3 {
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--v54o-primary);
        }

        /* 页脚 */
        .v54o-echo {
            padding: 80px 0 40px;
            background: #ffffff;
            border-top: 1px solid #f0f0f0;
        }
        .v54o-depth {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .v54o-brand-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--v54o-primary);
        }
        .v54o-snap-links {
            display: flex;
            gap: 24px;
        }
        .v54o-snap {
            color: var(--v54o-text-dim);
            text-decoration: none;
            font-size: 14px;
            transition: var(--v54o-transition);
        }
        .v54o-snap:hover { color: var(--v54o-primary); }
        .v54o-copyright {
            width: 100%;
            text-align: center;
            margin-top: 40px;
            font-size: 13px;
            color: #999;
        }

        @media (max-width: 768px) {
            .v54o-aura { padding: 0 20px; }
            .v54o-trace { display: none; }
            .v54o-shard { max-width: 100%; animation: none; transform: none !important; }
            .v54o-apex { font-size: 36px; }
            .v54o-depth { flex-direction: column; gap: 30px; text-align: center; }
        }

.v54o-hdr-orbit {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--v54o-text);
}
.v54o-hdr-orbit,
.v54o-hdr-orbit *,
.v54o-hdr-orbit *::before,
.v54o-hdr-orbit *::after {
    box-sizing: border-box;
}

.v54o-hdr-orbit nav,
.v54o-hdr-orbit div,
.v54o-hdr-orbit section,
.v54o-hdr-orbit article,
.v54o-hdr-orbit aside,
.v54o-hdr-orbit p,
.v54o-hdr-orbit h1,
.v54o-hdr-orbit h2,
.v54o-hdr-orbit h3,
.v54o-hdr-orbit h4,
.v54o-hdr-orbit h5,
.v54o-hdr-orbit h6,
.v54o-hdr-orbit a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.v54o-hdr-orbit p,
.v54o-hdr-orbit h1,
.v54o-hdr-orbit h2,
.v54o-hdr-orbit h3,
.v54o-hdr-orbit h4,
.v54o-hdr-orbit h5,
.v54o-hdr-orbit h6 {
    text-decoration: none;
}

.v54o-hdr-orbit img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.v54o-hdr-orbit {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.v54o-hdr-orbit a.v54o-hdr-trace-link {
    --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;
}

.v54o-hdr-orbit a.v54o-hdr-trace-link,
.v54o-hdr-orbit a.v54o-hdr-trace-link:hover,
.v54o-hdr-orbit a.v54o-hdr-trace-link:focus,
.v54o-hdr-orbit a.v54o-hdr-trace-link:active,
.v54o-hdr-orbit a.v54o-hdr-trace-link.active,
.v54o-hdr-orbit a.v54o-hdr-trace-link[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);
}

.v54o-hdr-orbit .v54o-hdr-aura{
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

.v54o-hdr-orbit{
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(127, 76, 248, 0.1);
            padding: 1rem 0;
        }

.v54o-hdr-orbit .v54o-hdr-aura{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.v54o-hdr-orbit .v54o-hdr-logo{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.v54o-hdr-orbit .v54o-hdr-logo img{
            height: 40px;
            width: auto;
        }

.v54o-hdr-orbit .v54o-hdr-trace{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

.v54o-hdr-orbit .v54o-hdr-trace-link{
            font-weight: 600;
            color: #334155;
            font-size: 0.95rem;
            position: relative;
        }

.v54o-hdr-orbit .v54o-hdr-trace-link:hover, .v54o-hdr-orbit .v54o-hdr-trace-link.active{
            color: #7f4cf8;
        }

.v54o-hdr-orbit .v54o-hdr-trace-link.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #7f4cf8;
            border-radius: 2px;
        }

@media (max-width: 768px){.v54o-hdr-orbit .v54o-hdr-trace{
                display: none; 
            }}

.v54o-hdr-orbit {
    background: rgb(255, 255, 255);
    background-image: none;
}

.v54o-ftr-echo {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--v54o-text);
}
.v54o-ftr-echo,
.v54o-ftr-echo *,
.v54o-ftr-echo *::before,
.v54o-ftr-echo *::after {
    box-sizing: border-box;
}

.v54o-ftr-echo nav,
.v54o-ftr-echo div,
.v54o-ftr-echo section,
.v54o-ftr-echo article,
.v54o-ftr-echo aside,
.v54o-ftr-echo p,
.v54o-ftr-echo h1,
.v54o-ftr-echo h2,
.v54o-ftr-echo h3,
.v54o-ftr-echo h4,
.v54o-ftr-echo h5,
.v54o-ftr-echo h6,
.v54o-ftr-echo a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.v54o-ftr-echo p,
.v54o-ftr-echo h1,
.v54o-ftr-echo h2,
.v54o-ftr-echo h3,
.v54o-ftr-echo h4,
.v54o-ftr-echo h5,
.v54o-ftr-echo h6 {
    text-decoration: none;
}

.v54o-ftr-echo img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.v54o-ftr-echo {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.v54o-ftr-echo a,
.v54o-ftr-echo a:hover,
.v54o-ftr-echo a:focus,
.v54o-ftr-echo a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.v54o-ftr-echo .v54o-ftr-aura{
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

.v54o-ftr-echo{
            background: #0f172a;
            color: #fff;
            padding: 100px 0 50px;
            position: relative;
        }

.v54o-ftr-echo .v54o-ftr-echo-art{
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.1;
            pointer-events: none;
        }

.v54o-ftr-echo .v54o-ftr-aura{
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 4rem;
        }

.v54o-ftr-echo .v54o-ftr-echo-brand{
            flex: 1;
            min-width: 250px;
        }

.v54o-ftr-echo .v54o-ftr-echo-brand h2{
            color: #fff;
            font-size: 2rem;
            margin-bottom: 1rem;
        }

.v54o-ftr-echo .v54o-ftr-echo-links{
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
        }

.v54o-ftr-echo .v54o-ftr-echo-group h4{
            color: #a381ff;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

.v54o-ftr-echo .v54o-ftr-echo-group ul{
            list-style: none;
        }

.v54o-ftr-echo .v54o-ftr-echo-group ul li{
            margin-bottom: 0.8rem;
        }

.v54o-ftr-echo .v54o-ftr-echo-group ul li a{
            color: rgba(255,255,255,0.6);
        }

.v54o-ftr-echo .v54o-ftr-echo-group ul li a:hover{
            color: #fff;
            padding-left: 5px;
        }

.v54o-ftr-echo .v54o-ftr-depth{
            margin-top: 80px;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.9rem;
        }