/* CSS Variables - 门户分发型, 莫兰迪色调, 锐利边角 */
        :root {
            --color-primary: #d064e0;
            --color-primary-light: #f5e4f8;
            --color-primary-dark: #a34db0;
            --color-bg: #faf9fb;
            --color-surface: #ffffff;
            --color-surface-alt: #f3eff5;
            --color-text-main: #1d1c1e;
            --color-text-sub: #5c5b5e;
            --color-border: #e8e4ea;
            
            --radius-base: 8px;
            --radius-lg: 12px;
            
            --shadow-sm: 0 4px 12px rgba(208, 100, 224, 0.05);
            --shadow-md: 0 12px 32px rgba(208, 100, 224, 0.08);
            --shadow-hover: 0 16px 48px rgba(208, 100, 224, 0.15);
            
            --transition: all 0.25s ease;
            --layout-max: 1280px;
        }

        /* Reset & Base */
        * { 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(--color-bg);
            color: var(--color-text-sub);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        
        /* Typography Rules */
        .ink-body {
            word-break: keep-all;
            overflow-wrap: break-word;
            margin-bottom: 1rem;
        }
        .topic-prime, .topic-level2, .topic-level3 {
            color: var(--color-text-main);
            white-space: normal;
            font-weight: 700;
            line-height: 1.3;
        }

        /* Global Layout Wrappers */
        .case-prime {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            flex-wrap: wrap;
        }
        .file-core {
            flex: 1;
            display: flex;
            flex-direction: column;
            flex-wrap: wrap;
            min-width: 0;
            width: 100%;
        }

        /* Header & Navigation (crest-top) */
        .crest-top {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }
        .bind-spine {
            width: 100%;
            max-width: var(--layout-max);
            padding: 0 2rem;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-width: 0;
        }
        .mark-brand {
            display: flex;
            align-items: center;
            min-width: 0;
        }
        .mark-brand img {
            height: 32px;
            width: auto;
        }
        .spine-tray {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            min-width: 0;
        }
        .path-index {
            color: var(--color-text-sub);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }
        .path-index:hover, .path-index.active {
            color: var(--color-primary);
        }
        .path-index.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }

        /* Button Component */
        .stamp-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 2rem;
            background-color: var(--color-primary);
            color: #fff;
            text-decoration: none;
            border-radius: var(--radius-base);
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .stamp-primary:hover {
            background-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stamp-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 2rem;
            background-color: transparent;
            color: var(--color-primary);
            text-decoration: none;
            border-radius: var(--radius-base);
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--color-primary);
            cursor: pointer;
        }
        .stamp-ghost:hover {
            background-color: var(--color-primary-light);
            transform: translateY(-2px);
        }

        /* 1. Hero Area - Cinematic Strip Blueprint */
        .cover-intro {
            width: 100%;
            background: linear-gradient(135deg, #2b1f31 0%, #17111a 100%);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            min-height: 480px; /* Compact vertical height */
            align-items: flex-end; /* Text overlaid at bottom edge */
        }
        .cover-intro::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: 
                linear-gradient(rgba(208, 100, 224, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(208, 100, 224, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.5;
            pointer-events: none;
        }
        .bind-cover {
            width: 100%;
            max-width: var(--layout-max);
            margin: 0 auto;
            padding: 4rem 2rem;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            flex-wrap: wrap;
            min-width: 0;
        }
        .topic-prime {
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: #ffffff;
            margin-bottom: 1rem;
            max-width: 900px;
            letter-spacing: -0.02em;
        }
        .ink-lead {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: rgba(255, 255, 255, 0.8);
            max-width: 800px;
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }
        .batch-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            min-width: 0;
        }

        /* 2. Grid Features (Matrix) */
        .folio-matrix {
            padding: 6rem 2rem;
            background-color: var(--color-surface);
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        .bind-matrix {
            width: 100%;
            max-width: var(--layout-max);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .case-matrix-ink {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            min-width: 0;
        }
        .topic-level2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        .batch-features {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            flex-wrap: wrap;
            min-width: 0;
        }
        .sheet-feature {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            min-width: 0;
            padding: 1.5rem;
            background: var(--color-bg);
            border-radius: var(--radius-base);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .sheet-feature:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-primary-light);
            transform: translateX(5px);
        }
        .glyph-vector {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: var(--radius-base);
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .glyph-vector svg { width: 24px; height: 24px; fill: currentColor; }
        .case-feature-case {
            flex: 1;
            min-width: 0;
        }
        .topic-level3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .case-matrix-media {
            min-width: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .fig-media {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* 3. Capability Panel (Cloud & AI) */
        .note-cloud {
            padding: 6rem 2rem;
            background-color: var(--color-surface-alt);
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        .bind-capability {
            width: 100%;
            max-width: var(--layout-max);
            display: flex;
            flex-direction: column;
            align-items: center;
            flex-wrap: wrap;
            min-width: 0;
        }
        .case-cap-crest {
            text-align: center;
            margin-bottom: 4rem;
            max-width: 700px;
            min-width: 0;
        }
        .batch-panels {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            width: 100%;
        }
        .sheet-sheet {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            min-width: 0;
            transition: var(--transition);
            border-top: 4px solid var(--color-primary);
        }
        .sheet-sheet:hover {
            box-shadow: var(--shadow-hover);
        }
        .tape-status {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.8rem;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            align-self: flex-start;
        }

        /* 4. Site Paths (Routes) */
        .tray-routes {
            padding: 6rem 2rem;
            background-color: var(--color-surface);
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        .bind-routes {
            width: 100%;
            max-width: var(--layout-max);
            display: flex;
            flex-direction: column;
            flex-wrap: wrap;
            min-width: 0;
        }
        .batch-routes {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }
        .slip-pathway {
            display: flex;
            flex-direction: column;
            padding: 2rem;
            background: var(--color-bg);
            border-radius: var(--radius-base);
            border: 1px solid var(--color-border);
            text-decoration: none;
            min-width: 0;
            transition: var(--transition);
            height: 100%;
        }
        .slip-pathway:hover {
            background: var(--color-surface);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .slip-pathway .topic-level3 {
            color: var(--color-text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .slip-pathway .ink-body {
            color: var(--color-text-sub);
            margin-top: 1rem;
            font-size: 0.95rem;
            flex-grow: 1;
        }
        .glyph-arrow {
            color: var(--color-primary);
            transition: transform 0.2s;
        }
        .slip-pathway:hover .glyph-arrow {
            transform: translateX(4px);
        }

        /* 5. CTA Minimal */
        .sheet-tack {
            padding: 6rem 2rem;
            background: linear-gradient(to bottom, var(--color-bg) 0%, var(--color-primary-light) 100%);
            display: flex;
            justify-content: center;
            text-align: center;
            flex-wrap: wrap;
        }
        .bind-tack {
            width: 100%;
            max-width: 800px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
            min-width: 0;
        }

        /* Footer */
        .root-bottom {
            background-color: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 4rem 2rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        .bind-root {
            width: 100%;
            max-width: var(--layout-max);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }
        .ink-copyright {
            font-size: 0.9rem;
            color: var(--color-text-sub);
        }
        .topic-brand {
            font-weight: 700;
            color: var(--color-text-main);
            font-size: 1.2rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .bind-matrix { grid-template-columns: 1fr; }
            .cover-intro { min-height: auto; }
            .bind-cover { padding: 6rem 2rem 4rem; }
        }
        @media (max-width: 768px) {
            .spine-tray { display: none; /* Simplification for mobile nav */ }
            .topic-prime { font-size: 2.2rem; }
            .topic-level2 { font-size: 1.8rem; }
            .batch-actions { flex-direction: column; width: 100%; }
            .stamp-primary, .stamp-ghost { width: 100%; }
            .bind-root { flex-direction: column; text-align: center; }
            .batch-panels, .batch-routes { grid-template-columns: 1fr; }
        }

.spine-crest-top {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--color-text-sub);
}
.spine-crest-top,
.spine-crest-top *,
.spine-crest-top *::before,
.spine-crest-top *::after {
    box-sizing: border-box;
}

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

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

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

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

.spine-crest-top a.spine-path-index {
    --aisite-shell-nav-padding: 0.5rem 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;
}

.spine-crest-top a.spine-path-index,
.spine-crest-top a.spine-path-index:hover,
.spine-crest-top a.spine-path-index:focus,
.spine-crest-top a.spine-path-index:active,
.spine-crest-top a.spine-path-index.active,
.spine-crest-top a.spine-path-index[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);
}

.spine-crest-top{
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #e8e4ea;
            position: sticky;
            top: 0;
            z-index: 100;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

.spine-crest-top .spine-bind-spine{
            width: 100%;
            max-width: 1280px;
            padding: 0 2rem;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-width: 0;
        }

.spine-crest-top .spine-mark-brand{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.spine-crest-top .spine-mark-brand img{
            height: 32px;
            width: auto;
        }

.spine-crest-top .spine-spine-tray{
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            min-width: 0;
        }

.spine-crest-top .spine-path-index{
            color: #5c5b5e;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            padding: 0.5rem 0;
            position: relative;
        }

.spine-crest-top .spine-path-index:hover, .spine-crest-top .spine-path-index.active{
            color: #d064e0;
        }

.spine-crest-top .spine-path-index.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d064e0;
            border-radius: 2px;
        }

@media (max-width: 768px){.spine-crest-top .spine-spine-tray{ display: none;  }}

.spine-crest-top {
    background: rgb(255, 255, 255);
    background-image: none;
}

.seam-root-bottom {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--color-text-sub);
}
.seam-root-bottom,
.seam-root-bottom *,
.seam-root-bottom *::before,
.seam-root-bottom *::after {
    box-sizing: border-box;
}

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

.seam-root-bottom p,
.seam-root-bottom h1,
.seam-root-bottom h2,
.seam-root-bottom h3,
.seam-root-bottom h4,
.seam-root-bottom h5,
.seam-root-bottom h6 {
    text-decoration: none;
}

.seam-root-bottom img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.seam-root-bottom {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.seam-root-bottom a,
.seam-root-bottom a:hover,
.seam-root-bottom a:focus,
.seam-root-bottom a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.seam-root-bottom{
            background-color: #ffffff;
            border-top: 1px solid #e8e4ea;
            padding: 4rem 2rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }

.seam-root-bottom .seam-bind-root{
            width: 100%;
            max-width: 1280px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }

.seam-root-bottom .seam-ink-copyright{
            font-size: 0.9rem;
            color: #5c5b5e;
        }

.seam-root-bottom .seam-topic-brand{
            font-weight: 700;
            color: #1d1c1e;
            font-size: 1.2rem;
        }

@media (max-width: 768px){.seam-root-bottom .seam-bind-root{ flex-direction: column; text-align: center; }}