/* ==========================================================================
           基础系统 & 全局变量
           ========================================================================== */
        :root {
            --bg-deep: #0a0c10;
            --bg-sub: #11141a;
            --bg-surface: #1a1e27;
            --brand: #a0e514;
            --brand-dim: rgba(160, 229, 20, 0.15);
            --char-main: #f0f2f5;
            --char-muted: #9ba1ad;
            --border: #2a313e;
            --shadow-base: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-brand: 0 0 32px rgba(160, 229, 20, 0.2);
            --radius: 6px;
            --transition: 0.15s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-deep);
            color: var(--char-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* 文本规范 */
        p, span, div {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        /* 中文内容防断词 */
        .char, .topic {
            word-break: keep-all;
        }

        h1, h2, h3, h4, h5, h6 {
            white-space: normal;
            line-height: 1.3;
            color: var(--char-main);
        }

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

        /* 强制的 Flexbox 工具类 / 继承 */
        .batch {
            display: flex;
            flex-wrap: wrap;
        }
        .batch > * {
            min-width: 0;
        }

        /* 容器宽度设置 */
        .shell {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5vw;
        }

        /* ==========================================================================
           顶部区域 (Apex & Array)
           ========================================================================== */
        .apex {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 12, 16, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .apex .shell {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-height: 72px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .paw {
            min-width: 0;
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 1px;
            color: var(--brand);
        }

        .paw img {
            height: 28px;
            width: auto;
            display: block;
        }

        .array {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }

        .node {
            min-width: 0;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--char-muted);
            padding: 6px 0;
            position: relative;
        }

        .node:hover, .node.active {
            color: var(--char-main);
        }

        .node.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--brand);
            box-shadow: 0 0 8px var(--brand);
        }

        /* ==========================================================================
           主舞台展示区 (Board - Mosaic Collage 原型)
           ========================================================================== */
        .board {
            padding: 100px 0;
            background: radial-gradient(circle at 80% 20%, var(--brand-dim) 0%, transparent 50%),
                        linear-gradient(180deg, transparent 0%, var(--bg-sub) 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .board-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 32px;
            align-items: center;
        }

        /* 文字区块 (beside) */
        .board-spell {
            grid-column: 1 / 7;
            position: relative;
            z-index: 2;
        }

        .board .topic {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #a0e514 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 4px 24px rgba(160, 229, 20, 0.1);
        }

        .board .char {
            font-size: 1.125rem;
            color: var(--char-muted);
            max-width: 560px;
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .tap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--brand);
            color: var(--bg-deep);
            font-weight: 700;
            padding: 16px 36px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            box-shadow: 0 8px 24px rgba(160, 229, 20, 0.2);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .tap:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(160, 229, 20, 0.4);
            background-color: #b0f224;
        }

        /* Mosaic Collage 拼贴网格 */
        .mosaic-cloud {
            grid-column: 7 / 13;
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            grid-template-rows: repeat(5, 80px);
            gap: 16px;
            position: relative;
        }

        .mosaic-cell {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-base);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .mosaic-cell:hover {
            border-color: var(--brand);
        }

        /* 拼图A：核心输入动效大图 */
        .mosaic-cell.cell-alpha {
            grid-column: 1 / 5;
            grid-row: 1 / 4;
            background: linear-gradient(145deg, #1a1e27 0%, #11141a 100%);
        }

        /* 拼图B：数据/AI小图 */
        .mosaic-cell.cell-beta {
            grid-column: 5 / 7;
            grid-row: 2 / 5;
            background: #151820;
        }

        /* 拼图C：状态/链接徽章 */
        .mosaic-cell.cell-gamma {
            grid-column: 2 / 5;
            grid-row: 4 / 6;
            background: var(--bg-deep);
            border-top: 2px solid var(--brand);
        }

        .art-svg {
            width: 100%;
            height: 100%;
            padding: 20px;
        }

        /* 简单的波纹动效用于SVG */
        @keyframes pulse-ring {
            0% { transform: scale(0.8); opacity: 0.5; }
            100% { transform: scale(1.5); opacity: 0; }
        }
        .pulse-circle {
            animation: pulse-ring 3s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
            transform-origin: center;
        }

        /* ==========================================================================
           多维输入引擎 (Zone)
           ========================================================================== */
        .zone {
            padding: 100px 0;
            background-color: var(--bg-deep);
        }

        .zone-apex {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px auto;
        }

        .zone-apex .topic {
            font-size: 2.25rem;
            margin-bottom: 16px;
        }

        .zone-apex .char {
            color: var(--char-muted);
            font-size: 1.1rem;
        }

        .idiom-batch {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .idiom {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px 32px;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }

        .idiom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .idiom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-brand);
        }

        .idiom:hover::before {
            opacity: 1;
        }

        .glyph-shell {
            width: 56px;
            height: 56px;
            background: rgba(160, 229, 20, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--brand);
            border: 1px solid rgba(160, 229, 20, 0.2);
        }

        .idiom .topic {
            font-size: 1.25rem;
            margin-bottom: 16px;
            color: #fff;
        }

        .idiom .char {
            color: var(--char-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ==========================================================================
           站内承接矩阵 (Pad)
           ========================================================================== */
        .pad {
            padding: 80px 0;
            background-color: var(--bg-sub);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .lexi-band {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }

        .lexi-band:nth-child(even) {
            flex-direction: row-reverse;
        }

        .lexi-art {
            flex: 1;
            min-width: 320px;
            background: var(--bg-surface);
            border-radius: var(--radius);
            padding: 40px;
            border: 1px solid var(--border);
            position: relative;
            box-shadow: inset 0 0 40px rgba(0,0,0,0.5);
        }

        .lexi-spell {
            flex: 1;
            min-width: 320px;
        }

        .lexi-spell .topic {
            font-size: 2rem;
            margin-bottom: 20px;
        }

        .lexi-spell .char {
            color: var(--char-muted);
            font-size: 1.05rem;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .key {
            display: inline-flex;
            align-items: center;
            color: var(--brand);
            font-weight: 600;
            font-size: 1rem;
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
        }

        .key:hover {
            border-bottom-color: var(--brand);
        }

        .key svg {
            margin-left: 8px;
            transition: transform var(--transition);
        }

        .key:hover svg {
            transform: translateX(4px);
        }

        /* ==========================================================================
           个性化生态侧边/底部展区 (Dock)
           ========================================================================== */
        .dock {
            padding: 100px 0;
            background: var(--bg-deep);
            position: relative;
        }

        .dock::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(circle at 100% 50%, rgba(160, 229, 20, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .dock-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
        }

        .phrase {
            display: block;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px;
            text-decoration: none;
            transition: all var(--transition);
            min-height: 320px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            position: relative;
            overflow: hidden;
        }

        .phrase-art {
            position: absolute;
            top: 32px;
            right: 32px;
            opacity: 0.1;
            transition: opacity var(--transition);
        }

        .phrase:hover {
            border-color: rgba(160, 229, 20, 0.4);
            background: #1e232d;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .phrase:hover .phrase-art {
            opacity: 0.3;
        }

        .phrase .topic {
            font-size: 1.8rem;
            margin-bottom: 16px;
            z-index: 2;
        }

        .phrase .char {
            color: var(--char-muted);
            font-size: 1rem;
            z-index: 2;
        }

        /* ==========================================================================
           页脚区域 (Heel & Trail)
           ========================================================================== */
        .heel {
            background: #050608;
            padding: 64px 0 32px 0;
            border-top: 1px solid var(--border);
        }

        .base-grid {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 64px;
        }

        .base-brand .paw {
            margin-bottom: 24px;
        }

        .base-brand .char {
            color: var(--char-muted);
            font-size: 0.9rem;
            max-width: 300px;
        }

        .root-col .topic {
            font-size: 1rem;
            color: var(--char-main);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .root-node {
            display: block;
            color: var(--char-muted);
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .root-node:hover {
            color: var(--brand);
        }

        .trail {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
        }

        /* ==========================================================================
           响应式断点
           ========================================================================== */
        @media (max-width: 1024px) {
            .board-grid {
                grid-template-columns: 1fr;
            }
            .board-spell, .mosaic-cloud {
                grid-column: 1 / -1;
            }
            .mosaic-cloud {
                margin-top: 40px;
            }
            .base-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .array {
                display: none; /* 移动端简化演示，隐藏横向导航 */
            }
            .apex .shell {
                justify-content: center;
            }
            .lexi-band, .lexi-band:nth-child(even) {
                flex-direction: column;
            }
            .base-grid {
                grid-template-columns: 1fr;
            }
            .phrase {
                min-height: auto;
                padding: 32px;
            }
            .mosaic-cloud {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: auto;
            }
            .mosaic-cell.cell-alpha, 
            .mosaic-cell.cell-beta, 
            .mosaic-cell.cell-gamma {
                grid-column: 1 / -1;
                grid-row: auto;
                min-height: 120px;
            }
        }

.pinyin-apex {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    word-break: break-word;
    color: var(--char-main);
}
.pinyin-apex,
.pinyin-apex *,
.pinyin-apex *::before,
.pinyin-apex *::after {
    box-sizing: border-box;
}

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

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

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

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

.pinyin-apex a.pinyin-node {
    --aisite-shell-nav-padding: 6px 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;
}

.pinyin-apex a.pinyin-node,
.pinyin-apex a.pinyin-node:hover,
.pinyin-apex a.pinyin-node:focus,
.pinyin-apex a.pinyin-node:active,
.pinyin-apex a.pinyin-node.active,
.pinyin-apex a.pinyin-node[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);
}

.pinyin-apex .pinyin-shell{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.pinyin-apex{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 12, 16, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #2a313e;
        }

.pinyin-apex .pinyin-shell{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-height: 72px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

.pinyin-apex .pinyin-paw{
            min-width: 0;
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 1px;
            color: #a0e514;
        }

.pinyin-apex .pinyin-paw img{
            height: 28px;
            width: auto;
            display: block;
        }

.pinyin-apex .pinyin-array{
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }

.pinyin-apex .pinyin-node{
            min-width: 0;
            font-size: 0.95rem;
            font-weight: 500;
            color: #9ba1ad;
            padding: 6px 0;
            position: relative;
        }

.pinyin-apex .pinyin-node:hover, .pinyin-apex .pinyin-node.active{
            color: #f0f2f5;
        }

.pinyin-apex .pinyin-node.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #a0e514;
            box-shadow: 0 0 8px #a0e514;
        }

@media (max-width: 768px){.pinyin-apex .pinyin-array{
                display: none; 
            }

.pinyin-apex .pinyin-shell{
                justify-content: center;
            }}

.pinyin-apex {
    background: rgb(10, 12, 16);
    background-image: none;
}

.base-heel {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    word-break: break-word;
    color: var(--char-main);
}
.base-heel,
.base-heel *,
.base-heel *::before,
.base-heel *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-heel .base-char, .base-heel .base-topic{
            word-break: keep-all;
        }

.base-heel .base-shell{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.base-heel .base-paw{
            min-width: 0;
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 1px;
            color: #a0e514;
        }

.base-heel .base-paw img{
            height: 28px;
            width: auto;
            display: block;
        }

.base-heel{
            background: #050608;
            padding: 64px 0 32px 0;
            border-top: 1px solid #2a313e;
        }

.base-heel .base-base-grid{
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 64px;
        }

.base-heel .base-base-brand .base-paw{
            margin-bottom: 24px;
        }

.base-heel .base-base-brand .base-char{
            color: #9ba1ad;
            font-size: 0.9rem;
            max-width: 300px;
        }

.base-heel .base-root-col .base-topic{
            font-size: 1rem;
            color: #f0f2f5;
            margin-bottom: 20px;
            font-weight: 600;
        }

.base-heel .base-root-node{
            display: block;
            color: #9ba1ad;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

.base-heel .base-root-node:hover{
            color: #a0e514;
        }

.base-heel .base-trail{
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
        }

@media (max-width: 1024px){.base-heel .base-base-grid{
                grid-template-columns: repeat(2, 1fr);
            }}

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