:root {
            /* 继承首页正文视觉家族色彩变量 */
            --color-primary: #f6d854;
            --color-primary-hover: #e5c742;
            --color-dark: #1f2937;
            --color-text: #4b5563;
            --color-text-light: #6b7280;
            --color-bg: #f9fafb;
            --color-surface: #ffffff;
            --color-border: #e5e7eb;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
            --transition: all 0.35s ease;
        }

        /* 基础与重置 */
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        * {
            box-sizing: border-box;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        /* 强制规范工具类 */
        .canvas-folder {
            display: block;
            width: 100%;
        }

        .plate {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        /* --- 导航栏区域 (严格复用) --- */
        .crown-folder {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .spine {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 1rem 5vw;
            min-width: 0;
        }

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

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

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

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

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

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

        .spine-tie.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--color-primary);
            border-radius: 3px;
        }

        /* --- Hero 下载区 (舞台型变体) --- */
        .cover-folder {
            min-height: 85vh;
            display: flex;
            flex-wrap: wrap;
            padding: 6rem 5vw;
            background: linear-gradient(135deg, #fefce8 0%, #fff7d6 50%, #fefce8 100%);
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .cover-sleeve {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            max-width: 1280px;
            gap: 4rem;
            align-items: center;
            z-index: 2;
            min-width: 0;
        }

        .cover-prose {
            flex: 1 1 450px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .rubric-cover {
            color: var(--color-dark);
            line-height: 1.2;
            font-size: clamp(2.5rem, 4vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 0;
            white-space: normal;
        }

        .prose-lead {
            font-size: 1.125rem;
            color: var(--color-text);
            margin: 0;
        }

        /* 下载获取面板 */
        .acquire-sheet {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.8);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            min-width: 0;
        }

        .acquire-plate-sleeve {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .stamp-primary {
            padding: 1.25rem 2.5rem;
            font-weight: 600;
            font-size: 1.125rem;
            color: var(--color-dark);
            background-color: var(--color-primary);
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(246, 216, 84, 0.4);
            display: inline-flex;
            justify-content: center;
            align-items: center;
            gap: 0.75rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }

        .stamp-primary:hover {
            background-color: var(--color-primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(246, 216, 84, 0.6);
        }

        .stamp-glyph {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .acquire-note {
            font-size: 0.875rem;
            color: var(--color-text-light);
            text-align: center;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        .acquire-note span {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .cover-stage {
            flex: 1 1 500px;
            min-width: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .cover-stage .plate {
            box-shadow: var(--shadow-lg);
            border: 8px solid rgba(255, 255, 255, 0.6);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition);
        }

        .cover-stage:hover .plate {
            transform: perspective(1000px) rotateY(0deg);
        }


        /* --- 平台矩阵区 --- */
        .folio-folder {
            padding: 6rem 5vw;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            background: var(--color-surface);
        }

        .folio-sleeve {
            width: 100%;
            max-width: 1280px;
            display: flex;
            flex-direction: column;
            gap: 4rem;
            min-width: 0;
        }

        .rubric-folio {
            text-align: center;
            font-size: clamp(2rem, 3vw, 2.5rem);
            color: var(--color-dark);
            font-weight: 700;
            margin: 0;
            white-space: normal;
        }

        .folio-batch {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
            width: 100%;
        }

        .folio-sheet {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            border: 1px solid var(--color-border);
            min-width: 0;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .folio-sheet:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            background: var(--color-surface);
        }

        .glyph-crest {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(246, 216, 84, 0.2) 0%, rgba(246, 216, 84, 0.05) 100%);
            color: #d97706;
            margin-bottom: 0.5rem;
        }

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

        .rubric-sheet {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-dark);
            margin: 0;
        }

        .prose-sheet {
            color: var(--color-text);
            margin: 0;
            flex-grow: 1;
        }

        .stamp-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-dark);
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            align-self: flex-start;
        }

        .stamp-ghost:hover {
            color: #d97706;
            border-bottom-color: #d97706;
        }


        /* --- 版本说明区 --- */
        .binder-folder {
            padding: 6rem 5vw;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }

        .binder-sleeve {
            width: 100%;
            max-width: 1000px;
            display: flex;
            flex-direction: column;
            gap: 3rem;
            min-width: 0;
        }

        .binder-sheet {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            overflow-x: auto;
        }

        .binder-roster {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .binder-roster th,
        .binder-roster td {
            padding: 1.5rem 1rem;
            border-bottom: 1px solid var(--color-border);
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .binder-roster th {
            color: var(--color-dark);
            font-weight: 600;
            width: 25%;
            vertical-align: top;
        }

        .binder-roster td {
            color: var(--color-text);
        }

        .binder-roster tr:last-child th,
        .binder-roster tr:last-child td {
            border-bottom: none;
        }

        .binder-batch {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .binder-cell {
            position: relative;
            padding-left: 1.5rem;
        }

        .binder-cell::before {
            content: '•';
            color: var(--color-primary);
            position: absolute;
            left: 0;
            font-weight: bold;
        }


        /* --- 页脚区域 --- */
        .root-folder {
            padding: 5rem 5vw 3rem;
            background: var(--color-dark);
            color: #9ca3af;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .root-sleeve {
            width: 100%;
            max-width: 1280px;
            display: flex;
            flex-direction: column;
            gap: 3rem;
            min-width: 0;
        }

        .root-band {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            border-bottom: 1px solid #374151;
            padding-bottom: 3rem;
        }

        .root-prose {
            flex: 1 1 300px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .root-crest {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-surface);
            letter-spacing: 1px;
            margin: 0;
            line-height: 1;
        }

        .root-batch {
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            flex: 2 1 500px;
            min-width: 0;
        }

        .root-roster {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            min-width: 0;
        }

        .rubric-root {
            color: var(--color-surface);
            font-size: 1.125rem;
            font-weight: 600;
            margin: 0 0 0.5rem 0;
        }

        .root-tie {
            color: #9ca3af;
            font-size: 0.875rem;
        }

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

        .root-endnote {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.875rem;
        }

        /* --- 响应式断点 --- */
        @media (max-width: 1024px) {
            .cover-sleeve {
                gap: 2rem;
            }
            .rubric-cover {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .crown-folder {
                padding: 0.5rem 0;
            }
            .spine {
                flex-direction: column;
                gap: 1rem;
            }
            .roster {
                width: 100%;
                justify-content: center;
                gap: 1rem;
            }
            .cover-folder {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
            .cover-sleeve {
                flex-direction: column;
            }
            .binder-sheet {
                padding: 1.5rem;
            }
            .binder-roster th {
                width: 100%;
                display: block;
                padding-bottom: 0.5rem;
                border-bottom: none;
            }
            .binder-roster td {
                display: block;
                width: 100%;
                padding-top: 0;
            }
            .root-band {
                flex-direction: column;
            }
        }

.spine-crown-folder{
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid #e5e7eb;
        }

.spine-crown-folder .spine-spine{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.spine-crown-folder .spine-spine > *{
            min-width: 0;
        }

.spine-crown-folder .spine-crest{
            display: flex;
            align-items: center;
            height: 40px;
        }

.spine-crown-folder .spine-crest img{
            height: 100%;
            width: auto;
        }

.spine-crown-folder .spine-roster{
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

.spine-crown-folder .spine-roster > *{
            min-width: 0;
        }

.spine-crown-folder .spine-spine-tie{
            font-weight: 500;
            font-size: 1rem;
            color: #4b5563;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
        }

.spine-crown-folder .spine-spine-tie:hover{
            color: #1f2937;
            background-color: rgba(0, 0, 0, 0.04);
        }

.spine-crown-folder .spine-spine-tie.active{
            color: #1f2937;
            background-color: #f6d854;
        }

@media (max-width: 768px){.spine-crown-folder .spine-spine{
                flex-direction: column;
                height: auto;
                padding: 1rem 5vw;
                gap: 1rem;
            }}

.spine-crown-folder {
    background: rgb(255, 255, 255);
    background-image: none;
}

.annex-root-annex {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-text);
}
.annex-root-annex,
.annex-root-annex *,
.annex-root-annex *::before,
.annex-root-annex *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.annex-root-annex .annex-grid-binder{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

.annex-root-annex .annex-center-sleeve{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.annex-root-annex{
            background-color: #f9fafb;
            padding: 6rem 0 2rem;
            border-top: 1px solid #e5e7eb;
        }

.annex-root-annex .annex-root-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #1f2937;
            margin-bottom: 1rem;
        }

.annex-root-annex .annex-root-links{
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

.annex-root-annex .annex-root-tie{
            color: #6b7280;
        }

.annex-root-annex .annex-root-tie:hover{
            color: #e5c742;
        }

.annex-root-annex .annex-copyright-band{
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid #e5e7eb;
            text-align: center;
            color: #6b7280;
            font-size: 0.875rem;
        }