:root {
            --color-bg-base: #050505;
            --color-bg-surface: #121212;
            --color-bg-elevated: #1a1a1a;
            --color-accent: #22b7d8;
            --color-accent-dim: rgba(34, 183, 216, 0.15);
            --color-ink-primary: #f5f5f7;
            --color-ink-secondary: #a1a1a6;
            --color-ink-tertiary: #6e6e73;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.15);
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--color-bg-base);
            color: var(--color-ink-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* 强制文本换行规范 */
        * {
            box-sizing: border-box;
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        p {
            word-break: keep-all;
        }

        h1, h2, h3, h4, h5, h6 {
            white-space: normal;
            margin-top: 0;
            color: var(--color-ink-primary);
        }

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

        /* 强制 Flex 规则 */
        .ribbon, 
        .roll, 
        .casing, 
        .batch, 
        .casing-flex, 
        .node {
            display: flex;
            flex-wrap: wrap;
        }

        .ribbon > *, 
        .roll > *, 
        .casing > *, 
        .batch > *, 
        .casing-flex > *, 
        .node > * {
            min-width: 0;
        }

        /* 全局容器 */
        .casing {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* 导航栏复用样式 */
        .apex {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 5, 5, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }

        .ribbon {
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .mark img {
            height: 24px;
            display: block;
        }

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

        .path {
            color: var(--color-ink-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.25s ease;
        }

        .path:hover, 
        .path.active {
            color: var(--color-ink-primary);
        }

        /* 按钮与行动徽章语法 */
        .seal {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 14px;
            border: none;
            transition: all 0.25s ease;
            cursor: pointer;
            text-align: center;
        }

        .seal-primary {
            background: var(--color-accent);
            color: #000;
            box-shadow: 0 4px 12px rgba(34, 183, 216, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .seal-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(34, 183, 216, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }

        .seal-ghost {
            background: transparent;
            color: var(--color-ink-primary);
            border: 1px solid var(--color-border);
        }

        .seal-ghost:hover {
            background: var(--color-bg-elevated);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }

        .stamp {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: 10px;
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            color: var(--color-ink-secondary);
            transition: all 0.25s ease;
        }

        .stamp:hover {
            color: var(--color-accent);
            border-color: var(--color-accent-dim);
            background: var(--color-bg-surface);
        }

        /* 标题排版尺度 */
        .head-xl {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
        }

        .head-lg {
            font-size: clamp(2rem, 3.5vw, 3rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
        }

        .head-md {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .ink-primary { color: var(--color-ink-primary); font-size: 1.125rem; }
        .ink-secondary { color: var(--color-ink-secondary); font-size: 1.125rem; }
        .ink-tertiary { color: var(--color-ink-tertiary); font-size: 0.9rem; }

        /* 获取最新版本 - Stage */
        .stage {
            padding: 8rem 0 6rem;
            position: relative;
        }

        .stage .casing {
            gap: 4rem;
            align-items: center;
        }

        .memo-lead {
            flex: 1 1 400px;
        }

        .memo-lead .ink-primary {
            margin-bottom: 2.5rem;
            line-height: 1.8;
            max-width: 90%;
        }

        .stage .batch {
            gap: 1rem;
        }

        .cover-lead {
            flex: 1 1 500px;
            position: relative;
        }

        .lens-lead {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            border: 1px solid var(--color-border);
            display: block;
        }

        /* 全平台比较 - Vault */
        .vault {
            padding: 6rem 0;
            background: linear-gradient(180deg, var(--color-bg-base) 0%, var(--color-bg-surface) 100%);
        }

        .vault .ink-secondary {
            max-width: 600px;
            margin-bottom: 4rem;
        }

        .tray-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .deck {
            background: rgba(18, 18, 18, 0.7);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 2.5rem;
            transition: transform 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .deck:hover {
            transform: translateY(-5px);
            border-color: var(--color-accent);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }

        .glyph {
            width: 48px;
            height: 48px;
            margin-bottom: 1.5rem;
            color: var(--color-accent);
        }

        .deck .ink-tertiary {
            margin-bottom: 2rem;
        }

        .deck .seal,
        .deck .batch {
            margin-top: auto;
        }

        .deck .batch {
            gap: 0.75rem;
        }

        .cover-board {
            width: 100%;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
        }

        .cover-board img {
            width: 100%;
            display: block;
        }

        /* 漫游体系 - Folder (DIV) */
        .folder {
            padding: 6rem 0;
            background-color: var(--color-bg-surface);
        }

        .casing-flex {
            background: var(--color-bg-elevated);
            border-radius: 32px;
            padding: 4rem;
            border: 1px solid var(--color-border);
            gap: 4rem;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .memo-info {
            flex: 1 1 400px;
            z-index: 2;
        }

        .memo-info .ink-primary {
            margin-bottom: 2rem;
            color: var(--color-ink-secondary);
        }

        .memo-info .batch {
            gap: 1rem;
        }

        .stamp-glass {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
        }

        .stamp-glass svg {
            width: 16px;
            height: 16px;
            margin-right: 0.5rem;
        }

        .cover-abstract {
            flex: 1 1 300px;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1;
        }

        .cover-abstract svg {
            width: 100%;
            max-width: 320px;
            height: auto;
            color: var(--color-border);
        }

        /* 更新日志 - Sheet */
        .sheet {
            padding: 6rem 0 8rem;
            background: var(--color-bg-base);
        }

        .sheet .ink-secondary {
            max-width: 600px;
        }

        .tray-timeline {
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 4rem;
            max-width: 800px;
        }

        .node {
            background: var(--color-bg-surface);
            border-radius: 20px;
            border: 1px solid var(--color-border);
            padding: 2rem;
            gap: 2rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .node:hover {
            border-color: var(--color-border-hover);
            background: var(--color-bg-elevated);
        }

        .tape-date {
            flex: 0 0 120px;
            font-family: monospace;
            color: var(--color-accent);
            font-size: 1rem;
            padding-top: 0.25rem;
            font-weight: 600;
        }

        .memo-log {
            flex: 1 1 300px;
        }

        .memo-log p {
            margin: 0;
            line-height: 1.7;
        }

        /* 页脚 - Root */
        .root {
            padding: 4rem 0;
            border-top: 1px solid var(--color-border);
            background: var(--color-bg-base);
            text-align: center;
        }

        .mark-ink {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            color: var(--color-ink-primary);
            margin-bottom: 1.5rem;
        }

        .root .batch {
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }

        .path-dim {
            color: var(--color-ink-tertiary);
            font-size: 0.875rem;
            transition: color 0.25s ease;
        }

        .path-dim:hover {
            color: var(--color-ink-primary);
        }

        .copyright {
            font-size: 0.85rem;
            color: var(--color-ink-tertiary);
        }

        /* 响应式断点 */
        @media (max-width: 768px) {
            .stage { padding: 5rem 0 4rem; }
            .vault, .folder, .sheet { padding: 4rem 0; }
            .casing-flex { padding: 2rem; gap: 2rem; }
            .head-xl { font-size: 2.5rem; }
            .stage .casing { gap: 2rem; }
            .tape-date { flex: 1 1 100%; padding-top: 0; margin-bottom: 0.5rem; }
            .node { gap: 0.5rem; padding: 1.5rem; }
            .ribbon { padding: 1rem; }
            .casing { padding: 0 1.5rem; }
            .cover-abstract { display: none; }
        }

.ribbon-apex{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(5, 5, 5, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1000;
        }

.ribbon-apex .ribbon-ribbon{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1440px;
            margin: 0 auto;
            padding: 1rem 5vw;
            min-height: 72px;
        }

.ribbon-apex .ribbon-mark{
            display: flex;
            align-items: center;
            height: 32px;
        }

.ribbon-apex .ribbon-mark img{
            height: 100%;
            width: auto;
        }

.ribbon-apex .ribbon-roll{
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }

.ribbon-apex .ribbon-path{
            padding: 0.5rem 1rem;
            font-size: 0.9375rem;
            font-weight: 500;
            color: #a1a1a6;
            border-radius: 8px;
            transition: all 0.25s ease;
        }

.ribbon-apex .ribbon-path:hover{
            color: #f5f5f7;
            background: rgba(255,255,255,0.05);
        }

.ribbon-apex .ribbon-path.active{
            color: #f5f5f7;
            background: rgba(255,255,255,0.08);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
        }

@media (max-width: 768px){.ribbon-apex .ribbon-roll{
                width: 100%;
                justify-content: center;
                margin-top: 1rem;
                padding-top: 1rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }}

.ribbon-apex {
    background: rgb(5, 5, 5);
    background-image: none;
}

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

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

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

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

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

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

.base-root .base-ink-dim{
            font-size: 0.875rem;
            color: #6e6e73;
        }

.base-root .base-path{
            padding: 0.5rem 1rem;
            font-size: 0.9375rem;
            font-weight: 500;
            color: #a1a1a6;
            border-radius: 8px;
            transition: all 0.25s ease;
        }

.base-root .base-path:hover{
            color: #f5f5f7;
            background: rgba(255,255,255,0.05);
        }

.base-root .base-path.active{
            color: #f5f5f7;
            background: rgba(255,255,255,0.08);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
        }

.base-root{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4rem 5vw;
            background: #050505;
            text-align: center;
        }

.base-root .base-root-mark{
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: #f5f5f7;
            margin-bottom: 1rem;
        }