:root {
            /* 视觉基底与深色模式继承 */
            --bg-deep: #0a0c10;
            --bg-sub: #11141a;
            --bg-surface: #1a1e27;
            --text-main: #f0f2f5;
            --text-muted: #9ba1ad;
            --text-dark: #0a0c10;
            --brand: #a0e514;
            --brand-dim: rgba(160, 229, 20, 0.15);
            --brand-hover: #8bcd0f;
            
            /* 阴影与圆角契约 */
            --shadow-base: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-brand: 0 0 32px rgba(160, 229, 20, 0.2);
            --shadow-surface: inset 0 0 40px rgba(0,0,0,0.5);
            --radius: 6px;
            --radius-lg: 11px;
            
            /* 布局基础 */
            --shell-width: 1320px;
            --transition: all 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(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        /* 文本换行强制规范 */
        .char, .topic, p, h1, h2, h3, span, a {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        .char, p {
            word-break: keep-all;
        }

        .topic, h1, h2, h3 {
            white-space: normal;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* 导航栏 (完全复用结构样式) */
        .apex {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(10, 12, 16, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .apex .shell {
            width: 100%;
            max-width: var(--shell-width);
            padding: 0 5vw;
            height: 72px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-width: 0;
        }

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

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

        .array {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            min-width: 0;
        }

        .node {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            opacity: 0.8;
            transition: var(--transition);
            position: relative;
            min-width: 0;
        }

        .node:hover {
            opacity: 1;
            color: var(--brand);
        }

        .node.active {
            opacity: 1;
            color: var(--brand);
            font-weight: 600;
        }

        .node.active::after {
            content: '';
            position: absolute;
            bottom: -26px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand);
            border-radius: 3px 3px 0 0;
            box-shadow: var(--shadow-brand);
        }

        /* 基础容器 */
        .shell {
            max-width: var(--shell-width);
            margin: 0 auto;
            padding: 0 5vw;
            width: 100%;
        }

        /* Hero 区域 (Board) - 继承视觉契约并变形 */
        .board {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 70% 30%, var(--brand-dim) 0%, transparent 50%),
                        linear-gradient(180deg, transparent 0%, var(--bg-sub) 100%);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        /* 创意种子：mosaic_collage 背景纹理 */
        .board::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            transform: perspective(500px) rotateY(-20deg) scale(1.2);
            opacity: 0.5;
            pointer-events: none;
            z-index: 0;
        }

        .board .shell {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
            position: relative;
            z-index: 1;
        }

        .cloud {
            flex: 1;
            min-width: min(100%, 480px);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: flex-start;
        }

        .topic {
            line-height: 1.2;
            color: var(--text-main);
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 24px;
            text-shadow: 0 4px 24px rgba(0,0,0,0.8);
        }

        .topic span {
            color: var(--brand);
        }

        .board .char {
            color: var(--text-muted);
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            max-width: 540px;
            margin-bottom: 40px;
        }

        .batch {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
            min-width: 0;
        }

        .glyph {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.05);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--text-main);
            border: 1px solid rgba(255,255,255,0.1);
            min-width: 0;
        }

        .glyph svg {
            width: 16px;
            height: 16px;
            fill: var(--brand);
        }

        /* 按钮契约 */
        .tap {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            background-color: var(--brand);
            color: var(--text-dark);
            font-weight: 700;
            padding: 16px 40px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            box-shadow: var(--shadow-brand);
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            min-width: 0;
        }

        .tap:hover {
            background-color: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(160, 229, 20, 0.3);
        }

        /* Hero 视觉区：模拟输入准确率跃升 */
        .spell {
            flex: 1;
            min-width: min(100%, 400px);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .dock {
            width: 100%;
            max-width: 480px;
            background: var(--bg-surface);
            border: 1px solid #2a313e;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-surface), var(--shadow-base);
            position: relative;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 16px;
            min-width: 0;
        }

        .dock::before {
            content: '输入法挂载演示';
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .band {
            background: var(--bg-deep);
            border-radius: var(--radius);
            padding: 16px;
            border: 1px solid rgba(255,255,255,0.05);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .band .char {
            font-family: monospace;
            font-size: 1.2rem;
            color: var(--text-main);
            flex: 1;
            margin: 0;
            min-width: 0;
        }

        .band .char span {
            color: var(--brand);
            border-bottom: 2px solid var(--brand);
        }

        /* 矩阵区域 (Zone) */
        .zone {
            padding: 100px 0;
            background: var(--bg-deep);
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        .zone .shell {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 60px;
        }

        .zone .topic {
            text-align: center;
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 0;
            width: 100%;
        }

        .array.lexi {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            width: 100%;
        }

        /* 卡片契约 */
        .phrase {
            background: var(--bg-surface);
            border-radius: var(--radius);
            padding: 40px 32px;
            border: 1px solid #2a313e;
            box-shadow: var(--shadow-surface);
            transition: var(--transition);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
            position: relative;
            overflow: hidden;
        }

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

        .phrase:hover {
            transform: translateY(-5px);
            border-color: rgba(160, 229, 20, 0.3);
            box-shadow: 0 12px 40px rgba(0,0,0,0.6), inset 0 0 40px rgba(0,0,0,0.5);
        }

        .phrase:hover::after {
            opacity: 1;
        }

        .art {
            width: 56px;
            height: 56px;
            background: rgba(160, 229, 20, 0.1);
            border-radius: var(--radius-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(160, 229, 20, 0.2);
            min-width: 0;
        }

        .art svg {
            width: 28px;
            height: 28px;
            stroke: var(--brand);
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .phrase h3.topic {
            font-size: 1.5rem;
            margin: 0;
            color: var(--text-main);
            font-weight: 700;
        }

        .phrase .char {
            color: var(--text-muted);
            flex: 1;
            margin: 0;
            font-size: 0.95rem;
        }

        .key {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            background: transparent;
            color: var(--brand);
            border: 1px solid var(--brand);
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
            min-width: 0;
            font-size: 0.9rem;
        }

        .key:hover {
            background: var(--brand);
            color: var(--text-dark);
            box-shadow: var(--shadow-brand);
        }

        /* 指南区域 (Pad) */
        .pad {
            padding: 100px 0;
            background: var(--bg-sub);
            border-top: 1px solid rgba(255,255,255,0.02);
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        .pad .shell {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 80px;
        }

        .pad .root {
            flex: 1;
            min-width: min(100%, 400px);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 32px;
        }

        .idiom {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: flex-start;
            min-width: 0;
            padding: 24px;
            background: var(--bg-deep);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.05);
            transition: var(--transition);
        }

        .idiom:hover {
            border-color: rgba(160, 229, 20, 0.2);
            background: var(--bg-surface);
        }

        .idiom .art {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
        }

        .gram {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
            flex: 1;
        }

        .gram h3 {
            font-size: 1.2rem;
            color: var(--text-main);
            margin: 0;
        }

        .gram p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .pad .spell {
            /* 复用视觉区结构，改用纯CSS图解同步过程 */
            flex: 1;
            min-width: min(100%, 400px);
        }

        .sync-ui {
            width: 100%;
            height: 320px;
            background: linear-gradient(135deg, #1a1e27 0%, #11141a 100%);
            border-radius: var(--radius-lg);
            border: 1px solid #2a313e;
            box-shadow: var(--shadow-base);
            position: relative;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            min-width: 0;
        }

        .sync-circle {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 2px dashed rgba(160, 229, 20, 0.3);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            position: relative;
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            100% { transform: rotate(360deg); }
        }

        .sync-circle svg {
            width: 40px;
            height: 40px;
            fill: var(--brand);
            animation: rotate 20s linear infinite reverse; /* 抵消外层旋转保持图标正向 */
        }

        /* 页脚区域 (Heel) */
        .heel {
            background: var(--bg-deep);
            border-top: 1px solid #1a1e27;
            padding: 60px 0;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        .heel .shell {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            gap: 24px;
            text-align: center;
        }

        .trail {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            min-width: 0;
        }

        .trail a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .trail a:hover {
            color: var(--brand);
        }

        .heel .char {
            color: #5b6270;
            font-size: 0.85rem;
            margin: 0;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .board .shell,
            .pad .shell {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .apex .array {
                display: none; /* 移动端简化隐藏导航项，保留结构 */
            }
            .board {
                padding-top: 120px;
            }
            .board .shell,
            .pad .shell {
                flex-direction: column;
                text-align: center;
            }
            .cloud {
                align-items: center;
            }
            .batch {
                justify-content: center;
            }
            .array.lexi {
                grid-template-columns: 1fr;
            }
            .idiom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

.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;
            }}