:root {
            --primary: #f0984c;
            --primary-soft: rgba(240, 152, 76, 0.1);
            --bg: #ffffff;
            --text-main: #1a1a1a;
            --text-dim: #666666;
            --border: #eaeaea;
            --radius: 18px;
            --shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background: var(--bg);
            line-height: 1.7;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 顶部导航区域 */
        .brow {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

        .orbit {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .glyph {
            height: 40px;
            display: flex;
            align-items: center;
        }

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

        .mesh {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

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

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

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

        .wire.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        /* 主容器 */
        main.hull {
            width: 100%;
            max-width: 100%;
        }

        /* 1. Hero区: xChat: 重新定义通讯效率 */
        section.flare {
            padding: 100px 20px 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            background: radial-gradient(circle at 50% -20%, var(--primary-soft), transparent 60%);
        }

        .zenith {
            max-width: 900px;
            margin-bottom: 60px;
        }

        h1.crest {
            font-size: clamp(40px, 6vw, 72px);
            line-height: 1.1;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
            color: #111;
        }

        .yarn.apex-copy {
            font-size: clamp(18px, 2vw, 22px);
            color: var(--text-dim);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .clump-zest {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        .bolt {
            padding: 18px 40px;
            border-radius: 40px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.15s ease, background 0.15s ease;
            cursor: pointer;
            border: none;
        }

        .bolt-prime {
            background: var(--primary);
            color: white;
            box-shadow: 0 10px 20px rgba(240, 152, 76, 0.3);
        }

        .bolt-prime:hover {
            transform: translateY(-2px);
            background: #e68a3d;
        }

        .lens-stack {
            width: 100%;
            max-width: 1200px;
            border-radius: var(--radius) var(--radius) 0 0;
            box-shadow: 0 -20px 60px rgba(0,0,0,0.1);
            overflow: hidden;
            border: 1px solid var(--border);
            border-bottom: none;
        }

        .lens-stack img {
            width: 100%;
            display: block;
            height: auto;
        }

        /* 2. AI 协作面板 */
        div.capability {
            padding: 120px 40px;
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 80px;
            flex-wrap: wrap;
        }

        .nest-info {
            flex: 1;
            min-width: 320px;
        }

        h2.crest {
            font-size: 42px;
            margin-bottom: 24px;
            color: #111;
        }

        .yarn-large {
            font-size: 18px;
            color: var(--text-dim);
            margin-bottom: 32px;
        }

        .pulse-node {
            display: flex;
            gap: 20px;
            margin-bottom: 24px;
        }

        .atom-box {
            width: 48px;
            height: 48px;
            background: var(--primary-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .atom-box svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }

        .nest-media {
            flex: 1.2;
            min-width: 320px;
        }

        .lens-framed {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        /* 3. 毫秒级响应，无限速传输 */
        article.proof {
            background: #0a0a0a;
            color: white;
            padding: 120px 40px;
        }

        .haven-proof {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-direction: row-reverse;
            align-items: center;
            gap: 80px;
            flex-wrap: wrap;
        }

        .proof h2 {
            color: white;
        }

        .beam-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .node-stat {
            border-left: 2px solid var(--primary);
            padding-left: 20px;
        }

        .crest-stat {
            font-size: 36px;
            font-weight: 700;
            display: block;
        }

        .yarn-stat {
            color: #888;
            font-size: 14px;
        }

        /* 4. 极简外表，硬核内核 */
        article.story {
            padding: 120px 40px;
            background: #fafafa;
        }

        .haven-story {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .crest-serif {
            font-family: "Georgia", serif;
            font-style: italic;
            font-size: 48px;
            margin-bottom: 40px;
        }

        .yarn-editorial {
            font-size: 20px;
            line-height: 2;
            color: #444;
            margin-bottom: 60px;
        }

        /* 站内路径承接 */
        aside.field-nav {
            padding: 80px 40px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .clump-shards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .shard-wire {
            padding: 40px;
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            text-decoration: none;
            color: inherit;
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .shard-wire:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .crest-shard {
            font-size: 22px;
            margin-bottom: 12px;
        }

        .yarn-shard {
            color: var(--text-dim);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .wire-spark {
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* FAQ Section */
        section.field-faq {
            padding: 80px 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        details.node-faq {
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
        }

        summary.crest-faq {
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        summary.crest-faq::after {
            content: '+';
            font-size: 24px;
            color: var(--primary);
        }

        details[open] summary.crest-faq::after {
            content: '−';
        }

        .yarn-faq {
            padding-top: 16px;
            color: var(--text-dim);
        }

        /* 页脚区域 */
        section.echo {
            background: #111;
            color: #888;
            padding: 80px 40px 40px;
        }

        .haven-echo {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 60px;
            border-bottom: 1px solid #222;
            padding-bottom: 60px;
        }

        .clump-brand {
            max-width: 300px;
        }

        .crest-brand {
            color: white;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .mesh-heel {
            display: flex;
            gap: 80px;
            flex-wrap: wrap;
        }

        .node-heel h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .node-heel a {
            display: block;
            color: #888;
            text-decoration: none;
            margin-bottom: 12px;
            transition: color 0.15s ease;
        }

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

        .beam-legal {
            max-width: 1300px;
            margin: 40px auto 0;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .mesh-heel { gap: 40px; }
        }

        @media (max-width: 768px) {
            .orbit { height: auto; padding: 20px; }
            .mesh { width: 100%; margin-top: 20px; gap: 15px; }
            .flare { padding-top: 60px; }
            .capability, .haven-proof { flex-direction: column; gap: 40px; padding: 60px 20px; }
            .nest-info, .nest-media { min-width: 100%; }
            .crest-serif { font-size: 32px; }
            .haven-echo { flex-direction: column; gap: 40px; }
        }

.orbit-brow{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #eaeaea;
        }

.orbit-brow .orbit-orbit{
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

.orbit-brow .orbit-glyph{
            height: 40px;
            display: flex;
            align-items: center;
        }

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

.orbit-brow .orbit-mesh{
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

.orbit-brow .orbit-wire{
            text-decoration: none;
            color: #1a1a1a;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.15s ease;
            position: relative;
        }

.orbit-brow .orbit-wire:hover{
            color: #f0984c;
        }

.orbit-brow .orbit-wire.active{
            color: #f0984c;
        }

.orbit-brow .orbit-wire.active::after{
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #f0984c;
        }

@media (max-width: 768px){.orbit-brow .orbit-orbit{ height: auto; padding: 20px; }

.orbit-brow .orbit-mesh{ width: 100%; margin-top: 20px; gap: 15px; }}

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

.hush-echo {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--text-main);
}
.hush-echo,
.hush-echo *,
.hush-echo *::before,
.hush-echo *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.hush-echo section.hush-echo{
            background: #111;
            color: #888;
            padding: 80px 40px 40px;
        }

.hush-echo .hush-haven-echo{
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 60px;
            border-bottom: 1px solid #222;
            padding-bottom: 60px;
        }

.hush-echo .hush-clump-brand{
            max-width: 300px;
        }

.hush-echo .hush-crest-brand{
            color: white;
            font-size: 24px;
            margin-bottom: 20px;
        }

.hush-echo .hush-mesh-heel{
            display: flex;
            gap: 80px;
            flex-wrap: wrap;
        }

.hush-echo .hush-node-heel h4{
            color: white;
            margin-bottom: 20px;
            font-size: 16px;
        }

.hush-echo .hush-node-heel a{
            display: block;
            color: #888;
            text-decoration: none;
            margin-bottom: 12px;
            transition: color 0.15s ease;
        }

.hush-echo .hush-node-heel a:hover{
            color: #f0984c;
        }

.hush-echo .hush-beam-legal{
            max-width: 1300px;
            margin: 40px auto 0;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 20px;
        }

@media (max-width: 1024px){.hush-echo .hush-mesh-heel{ gap: 40px; }}

@media (max-width: 768px){.hush-echo .hush-haven-echo{ flex-direction: column; gap: 40px; }}