/* 基础变量与重置 */
        :root {
            --bg-main: #faf9f8;
            --bg-pure: #ffffff;
            --primary: #e471b4;
            --primary-light: #fdf2f8;
            --primary-grad: linear-gradient(135deg, #e471b4 0%, #ff8c82 100%);
            --text-main: #1a1a1a;
            --text-muted: #666666;
            --border: rgba(0, 0, 0, 0.06);
            --radius-lg: 24px;
            --radius-md: 18px;
            --shadow-soft: 0 12px 40px rgba(228, 113, 180, 0.08);
            --shadow-hover: 0 20px 50px rgba(228, 113, 180, 0.15);
            --shadow-ui: 0 24px 60px rgba(0, 0, 0, 0.05);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            min-width: 0; /* 强制Flex子项规则 */
        }

        body {
            font-family: var(--font);
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 强制文本换行规则 */
        .ink, .topic, .bullet, p, h1, h2, h3, h4, span, div {
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .ink, .bullet, p {
            word-break: keep-all; /* 中文保持词组完整 */
        }

        .topic, h1, h2, h3 {
            white-space: normal;
        }

        /* 强制复用：导航栏样式 */
        .crown {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .ribbon {
            max-width: 1248px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

        .crest img {
            height: 36px;
            width: auto;
        }

        .index {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

        .ribbon-jump {
            text-decoration: none;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.15s ease;
        }

        .ribbon-jump:hover,
        .ribbon-jump.active {
            color: var(--primary);
        }

        /* 布局容器 */
        .binder {
            max-width: 1248px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
        }

        .sheet {
            padding: 96px 0;
            display: flex;
            flex-wrap: wrap;
            width: 100%;
        }

        .bg-pure { background-color: var(--bg-pure); }
        .bg-binder { background-color: var(--bg-main); }

        /* 排版系统 */
        .topic-mega {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
        }

        .topic-lg {
            font-size: clamp(2rem, 3.5vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
        }

        .topic-md {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .ink-lead {
            font-size: clamp(1.125rem, 2vw, 1.25rem);
            color: var(--text-muted);
            margin-bottom: 40px;
        }

        .ink-normal {
            color: var(--text-muted);
            font-size: 1rem;
        }

        .ink-center { text-align: center; width: 100%; }

        /* 按钮与交互 */
        .stamp-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            background: var(--primary-grad);
            color: #ffffff;
            font-weight: 700;
            font-size: 1.125rem;
            text-decoration: none;
            border-radius: 100px;
            box-shadow: 0 8px 24px rgba(228, 113, 180, 0.3);
            border: none;
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            cursor: pointer;
        }

        .stamp-primary:hover, .stamp-primary:focus {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(228, 113, 180, 0.4);
            outline: none;
        }

        /* 1. Hero区 - 创意分割斜面 (split_diagonal 变体) */
        .canvas {
            position: relative;
            min-height: 85vh;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            background-color: var(--bg-pure);
            overflow: hidden;
            padding: 60px 0;
        }

        .canvas-backdrop {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 60%;
            background: var(--primary-light);
            clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
            z-index: 0;
        }

        .stack-split {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .stack-split-ink {
            flex: 1 1 400px;
            padding-right: 48px;
        }

        .stack-split-visual {
            flex: 1 1 500px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* Hero UI Mockup (Data UI Carrier) */
        .pane-mockup {
            background: var(--bg-pure);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-ui);
            border: 1px solid var(--border);
            width: 100%;
            max-width: 480px;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
        }

        .pane-mockup-crown {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            background: #fdfbfc;
        }

        .pane-mockup-body {
            padding: 32px 24px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 24px;
        }

        .chat-bubble {
            padding: 16px 20px;
            border-radius: 16px;
            max-width: 85%;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .chat-user {
            background: var(--bg-main);
            color: var(--text-main);
            align-self: flex-end;
            border-bottom-right-radius: 4px;
        }

        .chat-ai {
            background: var(--primary-light);
            color: var(--text-main);
            align-self: flex-start;
            border-bottom-left-radius: 4px;
            border: 1px solid rgba(228, 113, 180, 0.1);
        }

        .skeleton-stripe {
            height: 12px;
            background: rgba(228, 113, 180, 0.2);
            border-radius: 6px;
            margin-bottom: 12px;
            width: 100%;
        }
        .skeleton-stripe.short { width: 60%; margin-bottom: 0; }

        /* 2. 智能写作区块 */
        .stack-feature {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            align-items: center;
            gap: 64px;
        }

        .stack-feature-ink { flex: 1 1 400px; }
        .stack-feature-media { flex: 1 1 500px; }

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

        .bullet-stack {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 20px;
            margin-top: 32px;
        }

        .bullet-row {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px;
        }

        .glyph-tab {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* 3. PPT排版区块 (Steps) */
        .grid-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            width: 100%;
            margin-top: 56px;
        }

        .folio {
            background: var(--bg-pure);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

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

        .folio-glyph {
            width: 64px;
            height: 64px;
            margin-bottom: 24px;
            color: var(--primary);
        }

        /* 4. 数据洞察区块 (Data UI) */
        .pane-data {
            background: var(--bg-pure);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            width: 100%;
            margin-top: 48px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .data-visual {
            flex: 1 1 400px;
            background: var(--bg-main);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .data-stripe-stack {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            gap: 12px;
            height: 160px;
            width: 100%;
            padding-bottom: 16px;
            border-bottom: 1px dashed var(--border);
        }

        .data-stripe {
            flex: 1;
            background: var(--primary-grad);
            border-radius: 4px 4px 0 0;
            opacity: 0.8;
            transition: opacity 0.15s ease;
        }
        .data-stripe:hover { opacity: 1; }

        /* 页脚 */
        .base {
            background: var(--bg-pure);
            padding: 64px 0 40px;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .tray {
            max-width: 1248px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .brand-ink {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

        .legal-ink {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .canvas-backdrop { width: 100%; clip-path: polygon(0 40%, 100% 0, 100% 100%, 0% 100%); }
            .stack-split-ink { padding-right: 0; margin-bottom: 48px; text-align: center; }
            .stack-split { justify-content: center; }
        }

        @media (max-width: 768px) {
            .index { display: none; /* 移动端简化导航，此处仅为结构示例 */ }
            .sheet { padding: 64px 0; }
            .stack-feature { gap: 40px; }
            .pane-data { padding: 32px 24px; }
            .data-visual { padding: 16px; }
        }

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

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

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

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

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

.ribbon-crown a.ribbon-ribbon-jump {
    --aisite-shell-nav-padding: 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;
}

.ribbon-crown a.ribbon-ribbon-jump,
.ribbon-crown a.ribbon-ribbon-jump:hover,
.ribbon-crown a.ribbon-ribbon-jump:focus,
.ribbon-crown a.ribbon-ribbon-jump:active,
.ribbon-crown a.ribbon-ribbon-jump.active,
.ribbon-crown a.ribbon-ribbon-jump[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);
}

.ribbon-crown{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            padding: 15px 5vw;
        }

.ribbon-crown .ribbon-ribbon{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }

.ribbon-crown .ribbon-crest{
            flex: 0 0 auto;
            min-width: 0;
        }

.ribbon-crown .ribbon-crest img{
            height: 32px;
            display: block;
        }

.ribbon-crown .ribbon-index{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

.ribbon-crown .ribbon-ribbon-jump{
            text-decoration: none;
            color: #4a4a4a;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.15s ease;
            position: relative;
        }

.ribbon-crown .ribbon-ribbon-jump:hover, .ribbon-crown .ribbon-ribbon-jump:focus{
            color: #e471b4;
        }

.ribbon-crown .ribbon-ribbon-jump.active{
            color: #e471b4;
        }

.ribbon-crown .ribbon-ribbon-jump.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #e471b4;
            border-radius: 2px;
        }

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

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

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

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

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

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

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

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

.endnote-base .endnote-ink{
            word-break: break-word;
            overflow-wrap: break-word;
        }

.endnote-base p.endnote-ink{
            word-break: keep-all;
        }

.endnote-base{
            background: #ffffff;
            padding: 40px 5vw;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
            text-align: center;
            color: #8c8c8c;
        }

.endnote-base .endnote-base-stack{
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 20px;
        }

.endnote-base .endnote-base-jump{
            color: #4a4a4a;
            text-decoration: none;
            transition: all 0.15s ease;
        }

.endnote-base .endnote-base-jump:hover, .endnote-base .endnote-base-jump:focus{
            color: #e471b4;
        }