/* 基因参数与基础变量 */
        :root {
            --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;
            --shadow-soft: 0 20px 40px -10px rgba(0, 0, 0, 0.08), 0 8px 16px -8px rgba(0, 0, 0, 0.04);
            --shadow-float: 0 30px 60px -15px rgba(0, 0, 0, 0.12), 0 12px 24px -10px rgba(0, 0, 0, 0.06);
            --transition: 0.35s ease;
        }

        /* 全局基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            min-width: 0;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        body {
            margin: 0;
            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;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, p {
            margin: 0;
            white-space: normal;
        }

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

        svg {
            display: block;
            max-width: 100%;
        }

        /* 导航区域 (严格复用首页结构) */
        .crown-folder {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
        }

        .spine {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 1.2rem 5vw;
        }

        .crest {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }

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

        .roster {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
        }

        .spine-tie {
            color: var(--color-text);
            font-weight: 500;
            font-size: 1rem;
            transition: color var(--transition);
            position: relative;
            padding: 0.25rem 0;
        }

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

        .spine-tie.active {
            color: var(--color-dark);
            font-weight: 700;
        }

        .spine-tie.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
        }

        @media (max-width: 768px) {
            .roster {
                display: none; /* 移动端折叠处理 */
            }
        }

        /* 通用布局与组件语法 */
        .stamp-primary {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            padding: 1.2rem 2.5rem;
            font-weight: 600;
            font-size: 1.1rem;
            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);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .stamp-primary:hover, .stamp-primary:focus {
            background-color: var(--color-primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(246, 216, 84, 0.6);
        }

        /* 第一屏幕: Hero (WPS云文档，随时开启在线协作) */
        .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-folder::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60vw;
            height: 60vw;
            background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cover-sleeve {
            max-width: 1280px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 4rem;
            align-items: center;
            z-index: 1;
        }

        .cover-prose {
            flex: 1 1 500px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: flex-start;
        }

        .rubric-cover {
            color: var(--color-dark);
            line-height: 1.15;
            font-size: clamp(2.5rem, 4.5vw, 4.2rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            word-break: keep-all;
        }

        .cover-prose p {
            font-size: clamp(1.1rem, 1.5vw, 1.3rem);
            color: var(--color-text);
            margin-bottom: 2.5rem;
            max-width: 90%;
            line-height: 1.8;
        }

        /* Hero 视觉区：悬浮卡片 UI 模拟 */
        .cover-visual {
            flex: 1 1 500px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            perspective: 1000px;
        }

        .mockup-browser {
            width: 100%;
            max-width: 580px;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.8);
            box-shadow: var(--shadow-float);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            transform: rotateY(-5deg) rotateX(5deg);
            transition: transform var(--transition);
        }

        .mockup-browser:hover {
            transform: rotateY(0deg) rotateX(0deg) translateY(-10px);
        }

        .mockup-crown {
            height: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 0 1.5rem;
            gap: 8px;
        }

        .mockup-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #e5e7eb;
        }
        .mockup-dot:nth-child(1) { background: #ff5f56; }
        .mockup-dot:nth-child(2) { background: #ffbd2e; }
        .mockup-dot:nth-child(3) { background: #27c93f; }

        .mockup-canvas {
            padding: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .mockup-sheet {
            width: calc(33.333% - 1rem);
            aspect-ratio: 3/4;
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            padding: 1rem;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 8px;
            animation: float 6s ease-in-out infinite;
        }

        .mockup-sheet:nth-child(2) { animation-delay: -2s; }
        .mockup-sheet:nth-child(3) { animation-delay: -4s; }

        .mockup-line {
            height: 6px;
            background: #f3f4f6;
            border-radius: 3px;
            width: 100%;
        }
        .mockup-line.short { width: 60%; }
        .mockup-line.accent { background: #fef08a; width: 40%; margin-bottom: 8px;}

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* 第二屏幕: 同步面板 (一处修改，多端实时同步) */
        .canvas-binder {
            padding: 8rem 5vw;
            background: var(--color-surface);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .canvas-sleeve {
            max-width: 1280px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
        }

        .rubric-folder {
            font-size: clamp(2rem, 3vw, 2.8rem);
            font-weight: 800;
            color: var(--color-dark);
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .prose-folder {
            font-size: 1.2rem;
            color: var(--color-text-light);
            text-align: center;
            max-width: 700px;
            margin-bottom: 5rem;
        }

        .canvas-batch {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            width: 100%;
            position: relative;
        }

        .canvas-sheet {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            border: 1px solid var(--color-border);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .canvas-sheet:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-soft);
            background: var(--color-surface);
        }

        .glyph-device {
            width: 80px;
            height: 80px;
            margin-bottom: 1.5rem;
            color: var(--color-dark);
        }

        .rubric-sheet {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .prose-sheet {
            font-size: 1rem;
            color: var(--color-text-light);
        }

        /* 隐藏的连接线 (桌面端显示) */
        .canvas-band {
            position: absolute;
            top: 50%;
            left: 0;
            width: 100%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--color-border) 0, var(--color-border) 8px, transparent 8px, transparent 16px);
            z-index: 1;
            transform: translateY(-50%);
        }

        @media (max-width: 1024px) {
            .canvas-band { display: none; }
        }

        /* 第三屏幕: 协作UI (多人同频，激发团队创造力) */
        .folio-ream {
            padding: 8rem 5vw;
            background: #fffcf0; /* 暖调承托 */
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .folio-sleeve {
            max-width: 1280px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 5rem;
            align-items: center;
        }

        .folio-prose-area {
            flex: 1 1 450px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
        }

        .folio-rubric {
            font-size: clamp(2rem, 3vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--color-dark);
        }

        .folio-desc {
            font-size: 1.1rem;
            color: var(--color-text);
            margin-bottom: 3rem;
            line-height: 1.8;
        }

        .folio-batch {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 2rem;
        }

        .folio-cell {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: flex-start;
        }

        .glyph-pin {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #fef08a; /* primary浅色 */
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            color: #b45309;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(254, 240, 138, 0.5);
        }

        .cell-prose {
            flex: 1;
            min-width: 0;
        }

        .cell-rubric {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.4rem;
            color: var(--color-dark);
        }

        /* 协作 UI 动画演示区 */
        .folio-visual-area {
            flex: 1 1 500px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--color-border);
            padding: 3rem;
            position: relative;
            min-height: 400px;
        }

        .doc-line {
            height: 12px;
            background: #f3f4f6;
            border-radius: 6px;
            margin-bottom: 1.5rem;
            width: 100%;
        }
        .doc-line:nth-child(2) { width: 85%; }
        .doc-line:nth-child(3) { width: 90%; }
        .doc-line:nth-child(4) { width: 60%; }
        .doc-line.highlight {
            background: #fef08a;
            width: 40%;
            display: inline-block;
        }

        .cursor-pin {
            position: absolute;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            pointer-events: none;
            animation: cursorMove 8s infinite alternate ease-in-out;
        }

        .cursor-pin.user1 { top: 3rem; left: 10%; color: #3b82f6; }
        .cursor-pin.user2 { top: 8rem; left: 60%; color: #10b981; animation-delay: -3s; }
        .cursor-pin.user3 { top: 12rem; left: 30%; color: #8b5cf6; animation-delay: -6s; }

        .cursor-stick {
            width: 2px;
            height: 24px;
            background-color: currentColor;
            margin-right: 4px;
        }

        .cursor-name {
            background-color: currentColor;
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        @keyframes cursorMove {
            0% { transform: translate(0, 0); }
            33% { transform: translate(40px, 10px); }
            66% { transform: translate(-20px, 40px); }
            100% { transform: translate(60px, -20px); }
        }

        /* 第四屏幕: 安全面板 (金融级守护，数据安全无忧) */
        .annex-sleeve {
            padding: 8rem 5vw;
            background: var(--color-bg);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .annex-batch {
            max-width: 1280px;
            width: 100%;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }

        .annex-sheet {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
            border: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 1.5rem;
            transition: transform var(--transition);
        }

        .annex-sheet:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-soft);
        }

        .glyph-shield {
            width: 56px;
            height: 56px;
            color: #10b981; /* 绿色代表安全 */
        }

        /* 页脚区域 */
        .root-folder {
            background: var(--color-dark);
            color: #9ca3af;
            padding: 4rem 5vw 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .root-sleeve {
            max-width: 1280px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }

        .root-brand {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-surface);
            letter-spacing: 0.05em;
        }

        .root-band {
            width: 100%;
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
        }

        .root-prose {
            font-size: 0.9rem;
            text-align: center;
        }

.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;
        }