/* 基础变量体系 */
        :root {
            --wps-accent: #e5ce59;
            --wps-accent-hover: #d4be48;
            --wps-dark: #0f1115;
            --wps-dark-surface: #1a1d24;
            --wps-light: #ffffff;
            --wps-gray-bg: #f5f7f9;
            --wps-text-main: #1d1d1f;
            --wps-text-muted: #6e6e73;
            --wps-border: rgba(0, 0, 0, 0.08);
            --wps-border-dark: rgba(255, 255, 255, 0.1);
            
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            
            --shadow-1: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-2: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-3: 0 12px 32px rgba(0,0,0,0.12);
            
            --font-sys: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition-std: 0.35s ease;
        }

        /* 强制重置与排版规范 */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-sys);
            color: var(--wps-text-main);
            background-color: var(--wps-light);
            line-height: 1.6;
            word-break: break-word;
            overflow-wrap: break-word;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4 {
            white-space: normal;
            word-break: keep-all;
            line-height: 1.3;
            color: var(--wps-dark);
            font-weight: 700;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-std); }
        img, svg { max-width: 100%; height: auto; display: block; }

        /* 强制Flexbox规则 */
        .spine, .atlas, .ream, .quire, .deck, .batch, .bind {
            display: flex;
            flex-wrap: wrap;
        }
        .spine > *, .atlas > *, .ream > *, .quire > *, .deck > *, .batch > *, .bind > * {
            min-width: 0;
        }

        /* 导航区域 (brow, spine, atlas) */
        .brow {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--wps-border);
            z-index: 1000;
        }
        .spine {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            align-items: center;
            justify-content: space-between;
        }
        .signet {
            width: 100px;
        }
        .atlas {
            gap: 32px;
            align-items: center;
        }
        .knot.index {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--wps-text-muted);
            position: relative;
        }
        .knot.index:hover, .knot.index.active {
            color: var(--wps-dark);
        }
        .knot.index.active::after {
            content: '';
            position: absolute;
            bottom: -24px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--wps-accent);
            border-radius: 3px 3px 0 0;
        }

        /* Hero展示区 (cover, vertical_stack原型) */
        .cover {
            padding-top: 140px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, var(--wps-gray-bg) 0%, var(--wps-light) 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            width: 100%;
        }
        .cover .shell {
            max-width: 900px;
            padding: 0 24px;
            margin-bottom: 48px;
            width: 100%;
        }
        .cover .crown {
            font-size: clamp(2.5rem, 5vw, 4rem);
            letter-spacing: -0.02em;
            margin-bottom: 24px;
        }
        .cover .script {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: var(--wps-text-muted);
            margin-bottom: 40px;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .stamp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            background-color: var(--wps-accent);
            color: var(--wps-dark);
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-std);
            box-shadow: 0 4px 12px rgba(229, 206, 89, 0.3);
        }
        .stamp:hover {
            background-color: var(--wps-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(229, 206, 89, 0.4);
        }
        .cover .plate {
            width: 100%;
            max-width: 1400px;
            padding: 0 24px;
            /* 模拟全格式兼容说明与多设备互联拓扑 */
        }
        .cover .plate svg {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-3);
            background: var(--wps-light);
            border: 1px solid var(--wps-border);
        }

        /* 云端协作区 (quire, comparison角色) */
        .quire {
            padding: 100px 24px;
            max-width: 1280px;
            margin: 0 auto;
            align-items: flex-start;
            gap: 60px;
        }
        .quire > .shell {
            flex: 1 1 300px;
        }
        .quire .crown {
            font-size: 2.2rem;
            margin-bottom: 24px;
        }
        .quire .script {
            color: var(--wps-text-muted);
            font-size: 1.1rem;
        }
        .quire .batch {
            flex: 2 1 600px;
            gap: 24px;
        }
        .folio {
            flex: 1 1 280px;
            background: var(--wps-light);
            border: 1px solid var(--wps-border);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-1);
            transition: transform var(--transition-std), box-shadow var(--transition-std);
        }
        .folio:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
        }
        .folio .glyph {
            width: 48px;
            height: 48px;
            margin-bottom: 24px;
            color: var(--wps-accent);
        }
        .folio .crown {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .folio .script {
            font-size: 0.95rem;
        }

        /* PDF能力区 (deck, capability角色) */
        .deck {
            background-color: var(--wps-gray-bg);
            padding: 100px 24px;
        }
        .deck .shell {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            align-items: center;
        }
        .deck .plate {
            flex: 1 1 500px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-2);
        }
        .deck .plate img {
            width: 100%;
            display: block;
        }
        .deck .batch {
            flex: 1 1 400px;
            flex-direction: column;
            gap: 24px;
        }
        .deck .crown {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }
        .deck .script {
            color: var(--wps-text-muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .bullet {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            background: var(--wps-light);
            border-radius: var(--radius-sm);
            border: 1px solid var(--wps-border);
            font-weight: 500;
        }
        .bullet::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--wps-accent);
            border-radius: 50%;
        }

        /* AI能力区 (ream, capability角色) */
        .ream {
            background-color: var(--wps-dark);
            color: var(--wps-light);
            padding: 120px 24px;
            text-align: center;
            justify-content: center;
        }
        .ream .shell {
            max-width: 800px;
            width: 100%;
        }
        .ream .crown {
            color: var(--wps-light);
            font-size: 2.5rem;
            margin-bottom: 24px;
        }
        .ream .script {
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            margin-bottom: 48px;
        }
        .ream .batch {
            justify-content: center;
            gap: 24px;
            margin-bottom: 48px;
        }
        .memo {
            background: var(--wps-dark-surface);
            border: 1px solid var(--wps-border-dark);
            padding: 24px 32px;
            border-radius: var(--radius-md);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .seal {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background: transparent;
            color: var(--wps-accent);
            border: 1px solid var(--wps-accent);
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-std);
        }
        .seal:hover {
            background: var(--wps-accent);
            color: var(--wps-dark);
        }

        /* 页脚区域 (sole, bind) */
        .sole {
            background-color: #f0f2f5;
            padding: 80px 24px 40px;
            border-top: 1px solid var(--wps-border);
        }
        .bind {
            max-width: 1280px;
            margin: 0 auto;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 60px;
        }
        .sole .crown {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--wps-dark);
            display: block;
            margin-bottom: 16px;
        }
        .sole .script {
            color: var(--wps-text-muted);
            font-size: 0.95rem;
        }
        .bind .batch {
            gap: 40px;
        }
        .bind .batch .shell {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .bind .knot {
            color: var(--wps-text-muted);
            font-size: 0.95rem;
        }
        .bind .knot:hover {
            color: var(--wps-dark);
        }
        .tail {
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }

        /* 响应式断点 */
        @media (max-width: 768px) {
            .atlas { display: none; /* 移动端导航简化处理 */ }
            .spine { justify-content: center; }
            .cover { padding-top: 100px; }
            .quire, .deck .shell { flex-direction: column; }
            .quire > .shell, .quire .batch { flex: 1 1 100%; }
            .memo { width: 100%; justify-content: center; }
            .bind { flex-direction: column; }
        }

.spine-brow {
    font-family: var(--font-sys);
    line-height: 1.6;
    word-break: break-word;
    color: var(--wps-text-main);
}
.spine-brow,
.spine-brow *,
.spine-brow *::before,
.spine-brow *::after {
    box-sizing: border-box;
}

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

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

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

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

.spine-brow a.spine-knot.spine-index {
    --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;
}

.spine-brow a.spine-knot.spine-index,
.spine-brow a.spine-knot.spine-index:hover,
.spine-brow a.spine-knot.spine-index:focus,
.spine-brow a.spine-knot.spine-index:active,
.spine-brow a.spine-knot.spine-index.active,
.spine-brow a.spine-knot.spine-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-brow .spine-spine, .spine-brow .spine-atlas{
            display: flex;
            flex-wrap: wrap;
        }

.spine-brow .spine-spine > *, .spine-brow .spine-atlas > *{
            min-width: 0;
        }

.spine-brow{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            z-index: 1000;
        }

.spine-brow .spine-spine{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            align-items: center;
            justify-content: space-between;
        }

.spine-brow .spine-signet{
            width: 100px;
        }

.spine-brow .spine-atlas{
            gap: 32px;
            align-items: center;
        }

.spine-brow .spine-knot.spine-index{
            font-size: 0.95rem;
            font-weight: 500;
            color: #6e6e73;
            position: relative;
        }

.spine-brow .spine-knot.spine-index:hover, .spine-brow .spine-knot.spine-index.active{
            color: #0f1115;
        }

.spine-brow .spine-knot.spine-index.active::after{
            content: '';
            position: absolute;
            bottom: -24px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #e5ce59;
            border-radius: 3px 3px 0 0;
        }

@media (max-width: 768px){.spine-brow .spine-atlas{ display: none;  }

.spine-brow .spine-spine{ justify-content: center; }}

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

.bind-sole {
    font-family: var(--font-sys);
    line-height: 1.6;
    word-break: break-word;
    color: var(--wps-text-main);
}
.bind-sole,
.bind-sole *,
.bind-sole *::before,
.bind-sole *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.bind-sole .bind-batch, .bind-sole .bind-bind{
            display: flex;
            flex-wrap: wrap;
        }

.bind-sole .bind-batch > *, .bind-sole .bind-bind > *{
            min-width: 0;
        }

.bind-sole{
            background-color: #f0f2f5;
            padding: 80px 24px 40px;
            border-top: 1px solid rgba(0, 0, 0, 0.08);
        }

.bind-sole .bind-bind{
            max-width: 1280px;
            margin: 0 auto;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 60px;
        }

.bind-sole .bind-crown{
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #0f1115;
            display: block;
            margin-bottom: 16px;
        }

.bind-sole .bind-script{
            color: #6e6e73;
            font-size: 0.95rem;
        }

.bind-sole .bind-bind .bind-batch{
            gap: 40px;
        }

.bind-sole .bind-bind .bind-batch .bind-shell{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.bind-sole .bind-bind .bind-knot{
            color: #6e6e73;
            font-size: 0.95rem;
        }

.bind-sole .bind-bind .bind-knot:hover{
            color: #0f1115;
        }

.bind-sole .bind-tail{
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }

@media (max-width: 768px){.bind-sole .bind-bind{ flex-direction: column; }}