/* CSS Reset & Variables */
        :root {
            --color-primary: #6a3be2;
            --color-primary-dark: #4d26b0;
            --color-primary-light: #ece5fe;
            --color-bg-dark: #0f1016;
            --color-bg-light: #f8f9fc;
            --color-surface: #ffffff;
            --color-ink-main: #1d1d1f;
            --color-ink-sub: #6e6e73;
            --color-ink-inverse: #ffffff;
            --color-ink-inverse-sub: rgba(255, 255, 255, 0.7);
            
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 22px;
            
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 8rem;
            
            --shadow-flat: 0 4px 24px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 32px rgba(106, 59, 226, 0.12);
            --transition: all 0.35s ease;
            
            --max-width: 1280px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--color-ink-main);
            background-color: var(--color-bg-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* 基础排版 */
        h1, h2, h3, h4 {
            white-space: normal;
            font-weight: 700;
            line-height: 1.2;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }

        /* 布局容器 */
        .shell {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            width: 100%;
        }

        .ledger {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            min-width: 0;
            flex-direction: column;
        }

        .binder {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        /* 顶部区域 (Header/Nav) */
        .crown {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 16, 22, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .ribbon {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            min-width: 0;
        }

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

        .stamp img {
            height: 32px;
            width: auto;
            display: block;
        }

        .index {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            min-width: 0;
        }

        .xref {
            color: var(--color-ink-inverse-sub);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }

        .xref:hover {
            color: var(--color-ink-inverse);
        }

        .xref.active {
            color: var(--color-ink-inverse);
        }

        .xref.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        /* Hero 舞台 (Stage) - 严格遵循蓝图 */
        .stage {
            position: relative;
            width: 100%;
            min-height: 95vh;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            background-color: var(--color-bg-dark);
            /* 模拟全屏大图和遮罩 */
            background-image: 
                radial-gradient(circle at 50% 30%, rgba(106, 59, 226, 0.2) 0%, transparent 60%),
                linear-gradient(180deg, rgba(15, 16, 22, 0.4) 0%, #0f1016 100%);
            overflow: hidden;
            text-align: center;
            min-width: 0;
            padding-top: 72px;
        }

        /* 纯CSS几何网格装饰 - 充当 Data UI 背景 */
        .stage::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 1;
            pointer-events: none;
        }

        .stage .binder {
            position: relative;
            z-index: 2;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            max-width: 900px;
        }

        .stage .crest {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            color: var(--color-ink-inverse);
            letter-spacing: -0.02em;
            margin-bottom: var(--space-md);
        }

        .stage .prose {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: var(--color-ink-inverse-sub);
            max-width: 760px;
            margin: 0 auto var(--space-lg);
            line-height: 1.8;
            word-break: keep-all;
        }

        .batch-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            min-width: 0;
        }

        .macro {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2.5rem;
            border-radius: 100px;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
            min-width: 0;
            cursor: pointer;
        }

        .macro.ink-primary {
            background: var(--color-primary);
            color: var(--color-ink-inverse);
        }

        .macro.ink-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(106, 59, 226, 0.4);
        }

        .macro.ink-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-ink-inverse);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .macro.ink-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        /* 编辑承接区 (Aside) */
        .sheaf-intro {
            background: var(--color-surface);
            padding: var(--space-lg) 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .sheaf-intro .binder {
            justify-content: center;
        }

        .band-stats {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            gap: var(--space-md);
            justify-content: space-around;
            min-width: 0;
        }

        .bullet-stat {
            flex: 1 1 280px;
            min-width: 0;
            text-align: center;
            padding: var(--space-md);
        }

        .bullet-stat .crest {
            font-size: 1.5rem;
            color: var(--color-ink-main);
            margin-bottom: var(--space-xs);
        }

        .bullet-stat .prose {
            color: var(--color-ink-sub);
            font-size: 0.95rem;
        }

        .bullet-stat .xref {
            display: inline-block;
            margin-top: var(--space-sm);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* 核心能力区 (Capability Grid) */
        .sheaf-capability {
            padding: var(--space-xl) 0;
            background: var(--color-bg-light);
        }

        .sheaf-capability .crest.center {
            width: 100%;
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: var(--space-xs);
            color: var(--color-ink-main);
        }
        
        .sheaf-capability > .binder > .prose {
            width: 100%;
            text-align: center;
            color: var(--color-ink-sub);
            margin-bottom: var(--space-lg);
            font-size: 1.1rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .batch-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
            width: 100%;
        }

        .slide-feature {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-flat);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .slide-feature:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .glyph-box {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-md);
        }

        .glyph-box.blue { background: #eef2ff; color: #4f46e5; }
        .glyph-box.green { background: #ecfdf5; color: #10b981; }
        .glyph-box.orange { background: #fff7ed; color: #f97316; }
        .glyph-box.red { background: #fef2f2; color: #ef4444; }

        .glyph-box svg {
            width: 32px;
            height: 32px;
            fill: currentColor;
        }

        .slide-feature .crest {
            font-size: 1.25rem;
            margin-bottom: var(--space-xs);
        }

        .slide-feature .prose {
            color: var(--color-ink-sub);
            font-size: 0.95rem;
            flex-grow: 1;
        }

        /* 状态面板 UI (Split Panel) */
        .canvas-split {
            background: var(--color-surface);
            padding: var(--space-xl) 0;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .batch-split {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            gap: var(--space-lg);
            align-items: center;
            min-width: 0;
        }

        .cell-half {
            flex: 1 1 400px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .cell-half .crest {
            font-size: 2.2rem;
            margin-bottom: var(--space-md);
        }

        .cell-half .prose {
            color: var(--color-ink-sub);
            font-size: 1.1rem;
            margin-bottom: var(--space-md);
        }

        /* Data UI 纯CSS视觉表现 */
        .plate-ui {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .ui-band {
            background: var(--color-surface);
            border-radius: var(--radius-sm);
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.03);
            transform: translateX(0);
            transition: transform 0.3s ease;
        }
        
        .plate-ui:hover .ui-band:nth-child(1) { transform: translateX(5px); }
        .plate-ui:hover .ui-band:nth-child(2) { transform: translateX(-5px); }

        .ui-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #10b981;
        }
        .ui-dot.pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        .ui-line {
            height: 8px;
            background: #e2e8f0;
            border-radius: 4px;
            flex-grow: 1;
        }
        .ui-line.short { width: 40%; flex-grow: 0; }
        
        /* AI 对话气泡 UI */
        .ui-bubble {
            background: var(--color-primary-light);
            border-radius: 16px 16px 16px 4px;
            padding: 1rem;
            align-self: flex-start;
            max-width: 80%;
            color: var(--color-primary-dark);
            font-size: 0.9rem;
        }
        .ui-bubble.right {
            background: var(--color-surface);
            border-radius: 16px 16px 4px 16px;
            align-self: flex-end;
            color: var(--color-ink-main);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        /* 深度阅读长文区 (SEO 补充) */
        .sheaf-editorial {
            background: var(--color-surface);
            padding: var(--space-lg) 0 var(--space-xl);
        }
        
        .sheaf-editorial .binder {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            flex-direction: column;
        }

        .sheaf-editorial .crest {
            font-size: 1.8rem;
            margin-bottom: var(--space-md);
        }

        .sheaf-editorial .prose {
            column-count: 2;
            column-gap: 3rem;
            color: var(--color-ink-sub);
            font-size: 1rem;
        }

        /* 页脚区域 */
        .base {
            background: var(--color-bg-dark);
            color: var(--color-ink-inverse-sub);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: auto;
        }

        .spine {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-xl);
            justify-content: space-between;
            min-width: 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: var(--space-lg);
            margin-bottom: var(--space-md);
        }

        .spine-col {
            flex: 1 1 200px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .spine-col .crest {
            color: var(--color-ink-inverse);
            font-size: 1.2rem;
            margin-bottom: var(--space-xs);
        }

        .spine-col .xref {
            color: var(--color-ink-inverse-sub);
            font-size: 0.9rem;
        }

        .spine-col .xref:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }

        .endcap {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .sheaf-editorial .prose {
                column-count: 1;
            }
        }

        @media (max-width: 768px) {
            .index {
                display: none; /* 移动端隐藏顶部菜单，可另做抽屉 */
            }
            .stage .crest {
                font-size: 2.2rem;
            }
            .cell-half {
                flex: 1 1 100%;
            }
            .band-stats {
                flex-direction: column;
            }
        }

.ribbon-crown .ribbon-binder{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

.ribbon-crown{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 16, 22, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

.ribbon-crown .ribbon-ribbon{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            min-width: 0;
        }

.ribbon-crown .ribbon-stamp{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.ribbon-crown .ribbon-stamp img{
            height: 32px;
            width: auto;
            display: block;
        }

.ribbon-crown .ribbon-index{
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            min-width: 0;
        }

.ribbon-crown .ribbon-xref{
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.35s ease;
            padding: 0.5rem 0;
            position: relative;
        }

.ribbon-crown .ribbon-xref:hover{
            color: #ffffff;
        }

.ribbon-crown .ribbon-xref.active{
            color: #ffffff;
        }

.ribbon-crown .ribbon-xref.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #6a3be2;
            border-radius: 2px;
        }

@media (max-width: 768px){.ribbon-crown .ribbon-index{
                display: none; 
            }}

.ribbon-crown {
    background: rgb(15, 16, 22);
    background-image: none;
}

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

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

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

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

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

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

.spine-base .spine-binder{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

.spine-base .spine-xref{
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.35s ease;
            padding: 0.5rem 0;
            position: relative;
        }

.spine-base .spine-xref:hover{
            color: #ffffff;
        }

.spine-base .spine-xref.active{
            color: #ffffff;
        }

.spine-base .spine-xref.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #6a3be2;
            border-radius: 2px;
        }

.spine-base{
            background: #0f1016;
            color: rgba(255, 255, 255, 0.7);
            padding: 8rem 0 2rem;
            margin-top: auto;
        }

.spine-base .spine-spine{
            display: flex;
            flex-wrap: wrap;
            gap: 8rem;
            justify-content: space-between;
            min-width: 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 4rem;
            margin-bottom: 2rem;
        }

.spine-base .spine-spine-col{
            flex: 1 1 200px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

.spine-base .spine-spine-col .spine-crest{
            color: #ffffff;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

.spine-base .spine-spine-col .spine-xref{
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

.spine-base .spine-spine-col .spine-xref:hover{
            color: #ece5fe;
            padding-left: 4px;
        }

.spine-base .spine-endcap{
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }