:root {
            /* 视觉家族变量继承 */
            --primary: #6082da;
            --primary-dark: #4a69b5;
            --primary-light: #e6ebf8;
            --bg-main: #fcfcfd;
            --bg-alt: #f2f4f8;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --surface: #ffffff;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 40px;
            --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
            --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 30px rgba(96, 130, 218, 0.08);
            --shadow-lift: 0 -20px 40px rgba(0,0,0,0.02);
            --transition: 0.15s ease;
        }

        /* 基础重置与排版 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-main);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 强制Flexbox约束 */
        .batch, .vowel, .flow, .shell {
            display: flex;
            flex-wrap: wrap;
        }

        .batch > *, .term, .glyph, .cand, .stroke {
            min-width: 0;
        }

        /* 强制文本约束 */
        .topic, .char {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        .char {
            word-break: keep-all;
        }

        .topic {
            white-space: normal;
        }

        /* 布局容器 */
        .shell {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 5vw;
            flex-direction: column;
        }

        /* === 导航栏复用样式 === */
        .apex {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(252, 252, 253, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1rem 0;
        }

        .apex .shell {
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
        }

        .paw {
            display: flex;
            align-items: center;
        }

        .paw img {
            height: 32px;
            width: auto;
        }

        .vowel {
            gap: 2rem;
            align-items: center;
        }

        .tie {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: color var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }

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

        .tie.active {
            color: var(--primary);
            font-weight: 600;
        }

        .tie.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        /* === 页面区块视觉承载 === */

        /* 1. Intro (Hero Voice) */
        .cloud {
            padding: 10vh 0 14vh;
            background: radial-gradient(circle at 50% 10%, var(--primary-light) 0%, var(--bg-main) 70%);
            position: relative;
            overflow: hidden;
        }

        .cloud .shell {
            align-items: center;
            text-align: center;
            max-width: 860px;
            z-index: 2;
        }

        .cloud .topic {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .cloud .char {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: var(--text-muted);
            margin-bottom: 3rem;
            max-width: 680px;
            line-height: 1.7;
        }

        /* 动效声波核心载体 */
        .view-wave {
            width: 100%;
            height: 120px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-bottom: 3rem;
        }

        .view-wave .flow {
            width: 6px;
            height: 10px;
            background: var(--primary);
            border-radius: 4px;
            transform-origin: center;
            animation: pulse-wave 1.2s ease-in-out infinite alternate;
        }

        .view-wave .flow:nth-child(1) { animation-delay: 0.1s; height: 30px; }
        .view-wave .flow:nth-child(2) { animation-delay: 0.3s; height: 60px; }
        .view-wave .flow:nth-child(3) { animation-delay: 0.5s; height: 90px; }
        .view-wave .flow:nth-child(4) { animation-delay: 0.2s; height: 110px; background: var(--primary-dark); }
        .view-wave .flow:nth-child(5) { animation-delay: 0.6s; height: 80px; }
        .view-wave .flow:nth-child(6) { animation-delay: 0.4s; height: 50px; }
        .view-wave .flow:nth-child(7) { animation-delay: 0.2s; height: 20px; }

        @keyframes pulse-wave {
            0% { transform: scaleY(0.3); opacity: 0.6; }
            100% { transform: scaleY(1); opacity: 1; }
        }

        .cloud .batch {
            justify-content: center;
            gap: 1rem;
        }

        .cloud .term {
            padding: 0.75rem 1.5rem;
            background: var(--surface);
            border: 1px solid rgba(96, 130, 218, 0.2);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition);
        }

        .cloud .term:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        /* 2. Capability (Dialect) - 杂志特辑卡片风格 */
        .realm {
            padding: 7rem 0;
            background: var(--surface);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            box-shadow: var(--shadow-lift);
            margin-top: -4rem; /* 负边距营造层叠感 */
            position: relative;
            z-index: 5;
        }

        .board .shell {
            flex-direction: row;
            gap: 4rem;
            align-items: center;
        }

        .board .batch:first-child {
            flex: 1;
            min-width: 300px;
            flex-direction: column;
        }

        .board .topic {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1.25rem;
            line-height: 1.2;
        }

        .board .char {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        .board .batch.matrix {
            flex: 1.2;
            min-width: 300px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1.5rem;
        }

        .glyph {
            background: var(--bg-main);
            border: 1px solid rgba(0,0,0,0.04);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }

        .glyph:hover {
            background: var(--surface);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .glyph .mark {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 1.25rem;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 1rem;
        }

        .glyph .char {
            margin: 0;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
        }

        /* 3. Steps (Meeting Scenario) */
        .phrase {
            padding: 8rem 0;
            background: var(--bg-alt);
        }

        .phrase .shell > .topic {
            text-align: center;
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 700;
            margin-bottom: 4rem;
        }

        .phrase .batch {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
        }

        .stroke {
            background: var(--surface);
            padding: 2.5rem 2rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow var(--transition);
        }

        .stroke:hover {
            box-shadow: var(--shadow-md);
        }

        .stroke::before {
            content: '';
            position: absolute;
            top: 0;
            left: 2rem;
            width: 30px;
            height: 4px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
        }

        .stroke .mark {
            width: 56px;
            height: 56px;
            margin-bottom: 1.5rem;
        }

        .stroke .mark svg {
            width: 100%;
            height: 100%;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .stroke .topic {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .stroke .char {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* === 页脚 === */
        .tail {
            background: var(--surface);
            border-top: 1px solid rgba(0,0,0,0.05);
            padding: 4rem 0 2rem;
        }

        .tail .space {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
        }

        .tail .topic {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .tail .char {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .board .shell {
                flex-direction: column;
                text-align: center;
            }
            .board .batch.matrix {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .apex .vowel {
                display: none; /* 移动端简化，假定由JS控制展开，遵循基础安全 */
            }
            .realm {
                padding: 4rem 0;
                margin-top: -2rem;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .phrase {
                padding: 4rem 0;
            }
            .phrase .batch {
                grid-template-columns: 1fr;
            }
            .view-wave .flow {
                width: 4px;
            }
        }

.spell-apex {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}
.spell-apex,
.spell-apex *,
.spell-apex *::before,
.spell-apex *::after {
    box-sizing: border-box;
}

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

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

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

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

.spell-apex a.spell-tie {
    --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;
}

.spell-apex a.spell-tie,
.spell-apex a.spell-tie:hover,
.spell-apex a.spell-tie:focus,
.spell-apex a.spell-tie:active,
.spell-apex a.spell-tie.active,
.spell-apex a.spell-tie[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);
}

.spell-apex .spell-shell{
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.spell-apex{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(252, 252, 253, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1rem 0;
        }

.spell-apex .spell-shell{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-width: 0;
        }

.spell-apex .spell-paw{
            display: flex;
            align-items: center;
            min-width: 0;
            height: 36px;
        }

.spell-apex .spell-paw img{
            height: 100%;
            width: auto;
            display: block;
        }

.spell-apex .spell-vowel{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
            min-width: 0;
        }

.spell-apex .spell-tie{
            text-decoration: none;
            color: #475569;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.15s ease;
            position: relative;
        }

.spell-apex .spell-tie:hover, .spell-apex .spell-tie.active{
            color: #6082da;
        }

.spell-apex .spell-tie.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #6082da;
            border-radius: 2px;
        }

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

.spell-apex {
    background: rgb(252, 252, 253);
    background-image: none;
}

.space-tail {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}
.space-tail,
.space-tail *,
.space-tail *::before,
.space-tail *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.space-tail .space-shell{
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.space-tail .space-topic{
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #0f172a;
        }

.space-tail{
            background: #0f172a;
            color: #94a3b8;
            padding: 6rem 0 3rem;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

.space-tail .space-tail-shell{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 4rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 4rem;
            margin-bottom: 2rem;
            min-width: 0;
        }

.space-tail .space-tail-space{
            flex: 1;
            min-width: 280px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
        }

.space-tail .space-tail-topic{
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

.space-tail .space-tail-flow{
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            min-width: 0;
        }

.space-tail .space-tail-batch{
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 1rem;
            min-width: 120px;
        }

.space-tail .space-tail-batch .space-topic{
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

.space-tail .space-tail-tie{
            color: #94a3b8;
            text-decoration: none;
            transition: all 0.15s ease;
        }

.space-tail .space-tail-tie:hover{
            color: #e6ebf8;
        }

.space-tail .space-trail{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.875rem;
            min-width: 0;
        }

@media (max-width: 768px){.space-tail .space-tail-shell{ flex-direction: column; }}