/* ==========================================================================
           基础变量与全局设定 (继承首页视觉家族)
           ========================================================================== */
        :root {
            --bg-main: #fbfafc;
            --bg-alt: #ffffff;
            --bg-deep: #2a1b4d;
            --bg-soft: #f4f0ff;
            --primary: #8b67ef;
            --primary-hover: #7652d6;
            --text-main: #1d1929;
            --text-sub: #585366;
            --text-inv: #ffffff;
            --border-light: rgba(139, 103, 239, 0.1);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 30px rgba(139, 103, 239, 0.08);
            --shadow-hover: 0 12px 40px rgba(139, 103, 239, 0.15);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

        /* 强制换行规范 */
        .topic, .path, .glyph {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        .topic {
            word-break: keep-all; /* 中文段落保持词组完整 */
        }

        .path {
            white-space: normal;
        }

        /* 全局图片与媒体 */
        .snap {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* ==========================================================================
           导航栏样式 (复用首页结构，匹配专属类名)
           ========================================================================== */
        .apex {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(251, 250, 252, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .dicta {
            max-width: 1200px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

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

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

        .glyph {
            text-decoration: none;
            color: var(--text-sub);
            font-weight: 500;
            font-size: 16px;
            transition: var(--transition);
            min-width: 0;
            position: relative;
        }

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

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

        .glyph.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            .char {
                gap: 16px;
                margin-top: 16px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ==========================================================================
           通用布局容器
           ========================================================================== */
        .shell {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ==========================================================================
           区块一: Hero (角色: intro) - 垂直堆叠变体
           ========================================================================== */
        .aura {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-main) 100%);
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .aura .shell {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
            position: relative;
            z-index: 2;
        }

        .path-aura {
            line-height: 1.3;
            font-weight: 700;
            font-size: clamp(36px, 5vw, 56px);
            color: var(--text-main);
            letter-spacing: -1px;
            max-width: 800px;
            margin-bottom: 24px;
        }

        .topic-aura {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-sub);
            max-width: 700px;
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .tap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            background: var(--primary);
            color: var(--text-inv);
            font-weight: 600;
            font-size: 18px;
            border-radius: 50px;
            text-decoration: none;
            box-shadow: 0 8px 20px rgba(139, 103, 239, 0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .tap:hover, .tap:focus {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(139, 103, 239, 0.4);
        }

        /* Hero 视觉焦点：抽象细胞节点网络 */
        .set-focus {
            margin-top: 60px;
            width: 100%;
            max-width: 800px;
            height: 300px;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .rune-aura {
            width: 100%;
            height: 100%;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }

        /* ==========================================================================
           区块二: Category Grid (角色: acquire)
           ========================================================================== */
        .board {
            padding: 80px 0;
            display: flex;
            flex-wrap: wrap;
            background: var(--bg-main);
        }

        .board .shell {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }

        .path-board {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .topic-board {
            font-size: 18px;
            color: var(--text-sub);
            text-align: center;
            max-width: 760px;
            margin-bottom: 56px;
        }

        .deck {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 32px;
            width: 100%;
        }

        .lexi {
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            min-width: 0;
        }

        .lexi:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(139, 103, 239, 0.3);
        }

        .rune-lexi {
            width: 56px;
            height: 56px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-soft);
            border-radius: var(--radius);
            color: var(--primary);
        }

        .rune-lexi svg {
            width: 32px;
            height: 32px;
        }

        .path-lexi {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .topic-lexi {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .glyph-act {
            display: inline-flex;
            align-items: center;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .glyph-act::after {
            content: '→';
            margin-left: 6px;
            transition: transform 0.2s ease;
        }

        .glyph-act:hover::after {
            transform: translateX(4px);
        }

        /* ==========================================================================
           区块三: Feature (角色: comparison)
           ========================================================================== */
        .spell {
            padding: 100px 0;
            background: var(--bg-alt);
            display: flex;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .spell .shell {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 64px;
            min-width: 0;
        }

        .set-topic {
            flex: 1;
            min-width: 300px;
            max-width: 540px;
            display: flex;
            flex-direction: column;
        }

        .path-spell {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 700;
            margin-bottom: 20px;
        }

        .topic-spell {
            font-size: 18px;
            color: var(--text-sub);
            margin-bottom: 32px;
        }

        .belt-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            min-width: 0;
        }

        .node-tag {
            padding: 8px 16px;
            background: var(--bg-main);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .node-tag::before {
            content: '';
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #22c55e;
        }

        .set-visual {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .rune-sync {
            width: 100%;
            max-width: 400px;
            height: auto;
        }

        /* ==========================================================================
           区块四: Guide (角色: steps)
           ========================================================================== */
        .tray {
            padding: 100px 0;
            background: linear-gradient(to bottom, var(--bg-main), var(--bg-soft));
            display: flex;
            flex-wrap: wrap;
        }

        .tray .shell {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }

        .path-tray {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .topic-tray {
            font-size: 18px;
            color: var(--text-sub);
            text-align: center;
            max-width: 600px;
            margin-bottom: 64px;
        }

        .deck-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            width: 100%;
            position: relative;
        }

        .vocab {
            background: var(--bg-alt);
            padding: 40px 32px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            position: relative;
            display: flex;
            flex-direction: column;
            min-width: 0;
            z-index: 2;
        }

        .keycap-step {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--text-inv);
            font-size: 20px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(139, 103, 239, 0.4);
        }

        .path-vocab {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .topic-vocab {
            font-size: 15px;
            color: var(--text-sub);
        }

        /* ==========================================================================
           页脚区域 (角色: root)
           ========================================================================== */
        .root {
            background: var(--bg-deep);
            color: var(--text-inv);
            padding: 60px 0 40px;
            display: flex;
            flex-wrap: wrap;
        }

        .space {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }

        .path-brand {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .belt-links {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 40px;
            justify-content: center;
            min-width: 0;
        }

        .glyph-tail {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 15px;
            transition: var(--transition);
        }

        .glyph-tail:hover {
            color: var(--text-inv);
        }

        .topic-copyright {
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            width: 100%;
        }

.dicta-apex {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    word-break: break-word;
    color: var(--text-main);
}
.dicta-apex,
.dicta-apex *,
.dicta-apex *::before,
.dicta-apex *::after {
    box-sizing: border-box;
}

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

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

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

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

.dicta-apex a.dicta-glyph {
    --aisite-shell-nav-padding: 8px 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;
}

.dicta-apex a.dicta-glyph,
.dicta-apex a.dicta-glyph:hover,
.dicta-apex a.dicta-glyph:focus,
.dicta-apex a.dicta-glyph:active,
.dicta-apex a.dicta-glyph.active,
.dicta-apex a.dicta-glyph[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);
}

.dicta-apex{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(139, 103, 239, 0.1);
        }

.dicta-apex .dicta-dicta{
            max-width: 1320px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

.dicta-apex .dicta-dicta > *{ min-width: 0; }

.dicta-apex .dicta-pup{
            display: flex;
            align-items: center;
        }

.dicta-apex .dicta-pup img{
            height: 32px;
            width: auto;
            display: block;
        }

.dicta-apex .dicta-char{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

.dicta-apex .dicta-char > *{ min-width: 0; }

.dicta-apex .dicta-glyph{
            font-size: 15px;
            font-weight: 500;
            color: #585366;
            position: relative;
            padding: 8px 0;
        }

.dicta-apex .dicta-glyph:hover, .dicta-apex .dicta-glyph.active{
            color: #8b67ef;
        }

.dicta-apex .dicta-glyph.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #8b67ef;
            border-radius: 2px;
        }

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

.dicta-apex {
    background: rgb(255, 255, 255);
    background-image: none;
}

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

.space-tail [role="navigation"],
.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-glyph{
            font-size: 15px;
            font-weight: 500;
            color: #585366;
            position: relative;
            padding: 8px 0;
        }

.space-tail .space-glyph:hover, .space-tail .space-glyph.active{
            color: #8b67ef;
        }

.space-tail .space-glyph.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #8b67ef;
            border-radius: 2px;
        }

.space-tail{
            background: #ffffff;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding: 60px 24px 40px;
            margin-top: 80px;
        }

.space-tail .space-space{
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

.space-tail .space-tail-brand{
            font-size: 24px;
            font-weight: 700;
            color: #1d1929;
            margin-bottom: 16px;
        }

.space-tail .space-tail-desc{
            color: #585366;
            max-width: 300px;
        }

.space-tail .space-path-tail{
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 24px;
        }

.space-tail .space-belt{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.space-tail .space-belt .space-glyph{
            padding: 0;
            color: #585366;
        }

.space-tail .space-root{
            max-width: 1320px;
            margin: 0 auto;
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: #585366;
            font-size: 14px;
        }

@media (max-width: 1024px){.space-tail .space-space{
                grid-template-columns: 1fr 1fr;
            }}

@media (max-width: 768px){.space-tail .space-space{
                grid-template-columns: 1fr;
                gap: 40px;
            }}