:root {
            --primary: #5bcee4;
            --primary-dark: #49a7b9;
            --accent: #ff4d4f;
            --bg: #ffffff;
            --surface: #f8fafc;
            --shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 12px;
            --ink: #0f172a;
            --ink-light: #64748b;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--ink);
            background-color: var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 导航系统 - 复用首页结构 */
        .ribon {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .portal {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .glyph {
            height: 32px;
            display: flex;
            align-items: center;
        }

        .glyph img {
            height: 100%;
            width: auto;
        }

        .band {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .node {
            text-decoration: none;
            color: var(--ink);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.25s ease;
            position: relative;
        }

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

        .node.active {
            color: var(--primary);
        }

        .node.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* 主内容区域 */
        .binda {
            padding-top: 70px;
        }

        /* 第一区块：专业文档转换 (Article) */
        .vista {
            padding: 6rem 2rem;
            background: radial-gradient(circle at 90% 10%, #f0fdff 0%, #ffffff 60%);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            min-height: 80vh;
        }

        .styli-focal {
            flex: 1;
            min-width: 320px;
            max-width: 600px;
            padding: 2rem;
        }

        .script-mega {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            word-break: keep-all;
        }

        .flock-lead {
            font-size: 1.25rem;
            color: var(--ink-light);
            margin-bottom: 2.5rem;
            max-width: 500px;
        }

        .pith-clasp {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .spark-prime {
            padding: 1rem 2.5rem;
            background-color: var(--primary);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 10px 20px -5px rgba(91, 206, 228, 0.4);
            transition: transform 0.25s ease, background 0.25s ease;
            display: inline-flex;
            align-items: center;
        }

        .spark-prime:hover {
            transform: translateY(-2px);
            background-color: var(--primary-dark);
        }

        .styli-motion {
            flex: 1;
            min-width: 320px;
            max-width: 600px;
            display: flex;
            justify-content: center;
            position: relative;
        }

        /* SVG 动画 */
        .apex-morph {
            width: 100%;
            max-width: 450px;
        }

        .halo-doc {
            fill: #fff;
            stroke: var(--primary);
            stroke-width: 2;
        }

        .halo-shift {
            animation: docShift 4s infinite ease-in-out;
        }

        @keyframes docShift {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(20px, -20px); }
        }

        /* 第二区块：全能编辑 (Aside) */
        .styli {
            padding: 8rem 2rem;
            background-color: var(--surface);
            text-align: center;
        }

        .script-sub {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 4rem;
        }

        .halo-pith {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .doclet-facet {
            background: white;
            border-radius: var(--radius);
            padding: 3rem 2rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0,0,0,0.05);
            transition: transform 0.25s ease;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .doclet-facet:hover {
            transform: translateY(-10px);
        }

        .apex-etch {
            width: 56px;
            height: 56px;
            background: rgba(91, 206, 228, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }

        .script-facet {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .flock-facet {
            color: var(--ink-light);
            font-size: 1rem;
        }

        /* 第三区块：跨端协作 (Section) */
        .vessel {
            padding: 8rem 2rem;
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
        }

        .styli-visual {
            flex: 1.2;
            min-width: 320px;
        }

        .styli-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .styli-flock {
            flex: 1;
            min-width: 320px;
        }

        .zone-feature {
            margin-top: 2rem;
        }

        .halo-sync {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .apex-check {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            color: var(--primary);
        }

        /* 页脚区域 */
        .basey {
            background: #0f172a;
            color: #94a3b8;
            padding: 5rem 2rem 2rem;
        }

        .annex-portal {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 4rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 4rem;
        }

        .taila-iota {
            margin-bottom: 1.5rem;
            color: white;
            font-weight: 600;
        }

        .taila-band {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .taila-node {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .taila-node:hover {
            color: var(--primary);
        }

        .veil-base {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

        .flock-brand {
            font-weight: 700;
            color: white;
            letter-spacing: 1px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .band { display: none; }
            .vista { padding: 4rem 1.5rem; text-align: center; }
            .pith-clasp { justify-content: center; }
            .script-mega { font-size: 2.2rem; }
            .vessel { flex-direction: column-reverse; padding: 4rem 1.5rem; }
            .styli-motion { margin-top: 3rem; }
        }

.ribon-ribon {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--ink);
}
.ribon-ribon,
.ribon-ribon *,
.ribon-ribon *::before,
.ribon-ribon *::after {
    box-sizing: border-box;
}

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

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

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

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

.ribon-ribon a.ribon-node {
    --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;
}

.ribon-ribon a.ribon-node,
.ribon-ribon a.ribon-node:hover,
.ribon-ribon a.ribon-node:focus,
.ribon-ribon a.ribon-node:active,
.ribon-ribon a.ribon-node.active,
.ribon-ribon a.ribon-node[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);
}

.ribon-ribon{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #e2e8f0;
        }

.ribon-ribon .ribon-portal{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

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

.ribon-ribon .ribon-glyph img{
            height: 40px;
            width: auto;
        }

.ribon-ribon .ribon-band{
            display: flex;
            gap: 2rem;
            list-style: none;
            flex-wrap: wrap;
        }

.ribon-ribon .ribon-node{
            text-decoration: none;
            color: #0f172a;
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.25s ease;
            position: relative;
        }

.ribon-ribon .ribon-node:hover, .ribon-ribon .ribon-node.active{
            color: #5bcee4;
        }

.ribon-ribon .ribon-node.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #5bcee4;
        }

@media (max-width: 768px){.ribon-ribon .ribon-portal{
                height: auto;
                padding: 1rem;
            }

.ribon-ribon .ribon-band{
                margin-top: 1rem;
                justify-content: center;
                gap: 1rem;
            }}

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

.annex-annex {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--ink);
}
.annex-annex,
.annex-annex *,
.annex-annex *::before,
.annex-annex *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.annex-annex{
            background: #f1f5f9;
            padding: 5rem 2rem 2rem;
            border-top: 1px solid #e2e8f0;
        }

.annex-annex .annex-taila-grid{
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 4rem;
        }

.annex-annex .annex-iota-veil{
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: #0f172a;
            text-transform: uppercase;
            font-size: 0.875rem;
            letter-spacing: 0.1em;
        }

.annex-annex .annex-halo-base{
            list-style: none;
        }

.annex-annex .annex-halo-base li{
            margin-bottom: 0.75rem;
        }

.annex-annex .annex-node-base{
            text-decoration: none;
            color: #64748b;
            transition: color 0.2s;
            font-size: 0.95rem;
        }

.annex-annex .annex-node-base:hover{
            color: #5bcee4;
        }

.annex-annex .annex-basey-copyright{
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid #e2e8f0;
            text-align: center;
            color: #64748b;
            font-size: 0.875rem;
        }