/* -------------------------------------------------------------
           XChat 统一视觉契约 - 核心变量与基底样式
           ------------------------------------------------------------- */
        :root {
            --brand-primary: #6c48e2;
            --brand-primary-hover: #5935ca;
            --brand-glow: rgba(108, 72, 226, 0.3);
            --bg-base: #07080c;
            --bg-surface: #10121a;
            --bg-surface-elevated: #181b27;
            --bg-surface-glass: rgba(24, 27, 39, 0.75);
            --text-apex: #ffffff;
            --text-vox: #cbd5e1;
            --text-muted: #8b949e;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --transition-smooth: 0.25s ease;
            --mesh-max-width: 1200px;
        }

        /* 基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            font-size: 16px;
            background-color: var(--bg-base);
            color: var(--text-vox);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 布局通用工具（严格遵循前缀与词汇限制） */
        .mesh-fluid {
            width: 100%;
            max-width: var(--mesh-max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .cluster-flex {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        .cluster-between {
            justify-content: space-between;
            align-items: center;
        }

        /* -------------------------------------------------------------
           复用首页导航栏样式 (完全匹配结构与规范)
           ------------------------------------------------------------- */
        .crown-hull {
            background-color: var(--bg-surface-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
        }

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

        .orbit-thread {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .wire {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
        }

        .wire:hover {
            color: var(--text-apex);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .wire.active {
            color: var(--text-apex);
            background-color: rgba(108, 72, 226, 0.15);
            border: 1px solid rgba(108, 72, 226, 0.3);
        }

        /* -------------------------------------------------------------
           主视觉展示区 (Nova Zone - Asymmetric Grid 变体)
           ------------------------------------------------------------- */
        .nova-zone {
            padding-top: calc(7rem + 60px);
            padding-bottom: 5rem;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(108, 72, 226, 0.15) 0%, transparent 50%);
        }

        .nova-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .apex-mega {
            font-size: clamp(2.2rem, 4vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-apex);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            word-break: keep-all;
            white-space: normal;
        }

        .vox-lead {
            font-size: 18px;
            color: var(--text-vox);
            margin-bottom: 32px;
            max-width: 640px;
            word-break: break-word;
        }

        /* 智能下载面板 */
        .node-showcase {
            background: linear-gradient(145deg, #10121a, #181b27);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }

        .node-showcase::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-primary), #a855f7);
        }

        .cluster-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }

        .band-tag {
            background-color: rgba(108, 72, 226, 0.2);
            border: 1px solid rgba(108, 72, 226, 0.4);
            color: #a855f7;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .vox-version {
            font-size: 14px;
            color: var(--text-muted);
        }

        .cluster-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
            min-width: 0;
        }

        .jolt-primary {
            padding: 1rem 2rem;
            background: linear-gradient(135deg, var(--brand-primary), #4d2eb3);
            color: var(--text-apex);
            font-weight: 600;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px var(--brand-glow);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .jolt-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(108, 72, 226, 0.5);
            background: linear-gradient(135deg, #7c58f2, #5d3ec3);
        }

        .jolt-secondary {
            padding: 1rem 2rem;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-vox);
            font-weight: 600;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .jolt-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-apex);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .vox-hint {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 首屏右侧产品界面切图 */
        .lens-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
        }

        .lens-frame img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .lens-frame:hover img {
            transform: scale(1.03);
        }

        /* -------------------------------------------------------------
           多平台矩阵区 (Nexus Zone - Matrix)
           ------------------------------------------------------------- */
        .nexus-zone {
            padding: 6rem 0;
            background-color: var(--bg-surface);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        .apex-mesh {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-apex);
            margin-bottom: 12px;
            text-align: center;
        }

        .vox-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px auto;
        }

        /* 平台矩阵非对称网格 */
        .cluster-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 48px;
        }

        .pod-platform {
            background: var(--bg-surface-elevated);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .pod-platform:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 72, 226, 0.3);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }

        .cluster-crown {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .glyph-box {
            width: 48px;
            height: 48px;
            background: rgba(108, 72, 226, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
        }

        .apex-node {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-apex);
        }

        .vox-node-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.5;
        }

        /* 校验和框 */
        .band-hash {
            background-color: rgba(7, 8, 12, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            margin-bottom: 24px;
            font-family: monospace;
            font-size: 12px;
            color: var(--text-muted);
            word-break: break-all;
            position: relative;
        }

        .band-hash span {
            display: block;
            font-size: 10px;
            text-transform: uppercase;
            color: var(--brand-primary);
            margin-bottom: 4px;
            font-weight: bold;
        }

        .spur-download {
            width: 100%;
            padding: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            color: var(--text-apex);
            font-size: 14px;
            font-weight: 600;
            text-align: center;
            display: block;
            transition: all var(--transition-smooth);
        }

        .spur-download:hover {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            box-shadow: 0 4px 12px var(--brand-glow);
        }

        /* 多端展示横幅区 */
        .node-nova {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: linear-gradient(145deg, #10121a, #0b0d13);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 40px;
            align-items: center;
        }

        .lens-nova-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .lens-nova-frame img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* -------------------------------------------------------------
           三步开启旅程区 (Flare Zone - Steps)
           ------------------------------------------------------------- */
        .flare-zone {
            padding: 6rem 0;
            position: relative;
        }

        .cluster-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            position: relative;
        }

        .cell-step {
            background: linear-gradient(180deg, var(--bg-surface) 0%, transparent 100%);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 32px;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .cell-step:hover {
            border-color: rgba(108, 72, 226, 0.2);
            transform: translateY(-2px);
        }

        .band-number {
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
            color: rgba(108, 72, 226, 0.15);
            position: absolute;
            top: 24px;
            right: 24px;
        }

        .apex-step {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-apex);
            margin-bottom: 12px;
            margin-top: 16px;
        }

        .vox-step-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* -------------------------------------------------------------
           安全提示与问答区 (Hive Zone - FAQ & Security)
           ------------------------------------------------------------- */
        .hive-zone {
            padding: 4rem 0 6rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

        .cluster-faq {
            max-width: 800px;
            margin: 0 auto;
        }

        .bead-faq {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--transition-smooth);
        }

        .bead-faq:hover {
            border-color: rgba(108, 72, 226, 0.25);
        }

        .bead-faq summary {
            padding: 20px 24px;
            font-weight: 600;
            color: var(--text-apex);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        .bead-faq summary::-webkit-details-marker {
            display: none;
        }

        .bead-faq summary::after {
            content: '+';
            font-size: 20px;
            color: var(--brand-primary);
            transition: transform var(--transition-smooth);
        }

        .bead-faq[open] summary::after {
            transform: rotate(45deg);
        }

        .bead-faq p {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            border-top: 1px solid rgba(255, 255, 255, 0.02);
        }

        /* -------------------------------------------------------------
           页脚区域 (Sole - Footer)
           ------------------------------------------------------------- */
        .sole {
            background-color: #040508;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 4rem 0 2rem 0;
            color: var(--text-muted);
            font-size: 14px;
        }

        .sole-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .echo-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .echo-sigil-vox {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-apex);
            letter-spacing: -0.03em;
        }

        .echo-desc {
            line-height: 1.6;
            max-width: 280px;
        }

        .echo-apex {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-apex);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .echo-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .echo-wire-bead:hover {
            color: var(--text-apex);
        }

        .sole-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* -------------------------------------------------------------
           响应式媒体查询
           ------------------------------------------------------------- */
        @media (max-width: 1024px) {
            .nova-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .node-nova {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .sole-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .orbit-thread {
                display: none; /* 移动端简化 */
            }
            .crown-hull .mesh-fluid {
                justify-content: center;
            }
            .cluster-actions {
                flex-direction: column;
            }
            .jolt-primary, .jolt-secondary {
                width: 100%;
                justify-content: center;
            }
        }

.orbit-crown-hull .orbit-mesh-fluid{
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

.orbit-crown-hull .orbit-cluster-flex{
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

.orbit-crown-hull .orbit-cluster-between{
            align-items: center;
            justify-content: space-between;
        }

.orbit-crown-hull{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(24, 27, 39, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 0;
        }

.orbit-crown-hull .orbit-sigil{
            display: flex;
            align-items: center;
            height: 36px;
        }

.orbit-crown-hull .orbit-sigil img{
            height: 100%;
            width: auto;
            object-fit: contain;
        }

.orbit-crown-hull .orbit-orbit-thread{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

.orbit-crown-hull .orbit-wire{
            font-size: 0.95rem;
            font-weight: 500;
            color: #8b949e;
            padding: 0.5rem 0;
            position: relative;
        }

.orbit-crown-hull .orbit-wire::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #9074f5;
            transition: width 0.25s ease;
        }

.orbit-crown-hull .orbit-wire:hover, .orbit-crown-hull .orbit-wire:focus{
            color: #ffffff;
        }

.orbit-crown-hull .orbit-wire:hover::after, .orbit-crown-hull .orbit-wire.active::after{
            width: 100%;
        }

.orbit-crown-hull .orbit-wire.active{
            color: #ffffff;
        }

@media (max-width: 768px){.orbit-crown-hull{
                padding: 0.5rem 0;
            }

.orbit-crown-hull .orbit-orbit-thread{
                display: none; 
            }

.orbit-crown-hull .orbit-orbit-thread{
                display: flex;
                flex-wrap: wrap;
                gap: 0.5rem 1rem;
                margin-top: 0.5rem;
                width: 100%;
            }

.orbit-crown-hull .orbit-cluster-between{
                flex-direction: column;
                align-items: flex-start;
            }}

.orbit-crown-hull {
    background: rgb(24, 27, 39);
    background-image: none;
}

.base-sole-zone,
.base-sole-zone *,
.base-sole-zone *::before,
.base-sole-zone *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-sole-zone .base-vox-body{
            font-size: 1rem;
            color: #cbd5e1;
            line-height: 1.7;
        }

.base-sole-zone .base-mesh-fluid{
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }

.base-sole-zone .base-cluster-flex{
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

.base-sole-zone{
            padding: 4rem 0 2rem;
            background: #07080c;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

.base-sole-zone .base-root-grid{
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 4rem;
            margin-bottom: 4rem;
        }

.base-sole-zone .base-root-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }

.base-sole-zone .base-root-apex{
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 1rem;
        }

.base-sole-zone .base-root-thread{
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

.base-sole-zone .base-root-wire{
            color: #8b949e;
            font-size: 0.9rem;
        }

.base-sole-zone .base-root-wire:hover{
            color: #9074f5;
        }

.base-sole-zone .base-base-band{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: #8b949e;
            font-size: 0.85rem;
        }

@media (max-width: 1024px){.base-sole-zone .base-root-grid{
                grid-template-columns: 1fr 1fr;
            }}

@media (max-width: 768px){.base-sole-zone .base-root-grid{
                grid-template-columns: 1fr;
            }}