:root {
            --primary: #ea8633;
            --primary-soft: #fff5eb;
            --accent: #202124;
            --etch-main: #3c4043;
            --etch-dim: #5f6368;
            --bedrock-bg: #f8f9fa;
            --radius: 19px;
            --gap: 2rem;
            --shadow: 0 12px 30px rgba(0,0,0,0.06);
        }

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

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

        /* 导航区域: orbit, pathway, veneer */
        .veneer {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #eee;
        }

        .orbit {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 5%;
        }

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

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

        .strand {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

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

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

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

        /* 展示区域: glimmer, zenith, vista */
        .sheath {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5%;
        }

        /* Hero 布局原型: reverse_split */
        .glimmer {
            display: flex;
            flex-wrap: wrap;
            min-height: 85vh;
            align-items: center;
            background: linear-gradient(135deg, #fff 0%, #fffbf8 100%);
            margin-bottom: 4rem;
        }

        .zenith-visual {
            flex: 0 0 60%;
            min-width: 320px;
            position: relative;
        }

        .zenith-visual img {
            width: 110%;
            height: auto;
            object-fit: cover;
            border-radius: 0 var(--radius) var(--radius) 0;
            box-shadow: 30px 20px 60px rgba(0,0,0,0.1);
            margin-left: -10%; /* 向左边缘延伸 */
        }

        .zenith-etch {
            flex: 0 0 40%;
            min-width: 320px;
            padding-left: 5%;
            padding-right: 5%;
        }

        .apex-huge {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            margin-bottom: 1.5rem;
            color: var(--accent);
            letter-spacing: -1px;
        }

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

        /* 按钮组件: spark, trigger, pulse */
        .trigger {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .spark {
            display: inline-flex;
            align-items: center;
            padding: 1rem 2.5rem;
            background: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 8px 20px rgba(234, 134, 51, 0.3);
        }

        .spark:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(234, 134, 51, 0.4);
        }

        /* 卡片组件: shard, plate, module */
        .vista-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .shard {
            background: var(--bedrock-bg);
            padding: 3rem;
            border-radius: var(--radius);
            transition: background 0.25s ease, transform 0.25s ease;
            border: 1px solid transparent;
        }

        .shard:hover {
            background: #fff;
            transform: translateY(-8px);
            border-color: #eee;
            box-shadow: var(--shadow);
        }

        .glyph-box {
            width: 60px;
            height: 60px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }

        .apex-mid {
            font-size: 1.6rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .etch-body {
            color: var(--etch-dim);
            font-size: 1rem;
        }

        /* 生态预览: Ecosystem */
        .proof-vault {
            background: var(--accent);
            color: #fff;
            padding: 6rem 0;
            margin: 6rem 0;
            border-radius: 40px;
            overflow: hidden;
        }

        .casing-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
        }

        .etch-side {
            flex: 1;
            min-width: 320px;
        }

        .lens-wall {
            flex: 1.2;
            min-width: 320px;
        }

        .lens-wall img {
            width: 100%;
            border-radius: var(--radius);
            mask-image: linear-gradient(to right, black 80%, transparent 100%);
        }

        /* 站内路径: site_paths */
        .pathway-ribbon {
            padding: 4rem 0;
        }

        .module-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .plate {
            padding: 2rem;
            border: 1px solid #eee;
            border-radius: var(--radius);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .plate:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
        }

        .tether-node {
            margin-top: 1.5rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }

        /* 页脚区域: anchor, bedrock, echo */
        .trace {
            background: var(--bedrock-bg);
            padding: 5rem 0 2rem;
            margin-top: 6rem;
        }

        .anchor-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .apex-small {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1.5rem;
            color: var(--etch-dim);
        }

        .echo-bottom {
            border-top: 1px solid #ddd;
            padding-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--etch-dim);
        }

        .node-strand {
            list-style: none;
        }

        .node-strand li {
            margin-bottom: 0.8rem;
        }

        .node-strand a {
            text-decoration: none;
            color: var(--etch-main);
            transition: color 0.2s;
        }

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

        @media (max-width: 1024px) {
            .zenith-visual { flex: 0 0 100%; }
            .zenith-etch { flex: 0 0 100%; padding: 4rem 5%; }
            .zenith-visual img { margin-left: 0; width: 100%; border-radius: var(--radius); }
        }

        @media (max-width: 768px) {
            .strand { display: none; }
            .apex-huge { font-size: 2.5rem; }
            .shard, .plate { padding: 2rem; }
        }

.orbit-veneer{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #eee;
        }

.orbit-veneer .orbit-orbit{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 5%;
        }

.orbit-veneer .orbit-sigil{
            display: flex;
            align-items: center;
        }

.orbit-veneer .orbit-sigil img{
            height: 36px;
            width: auto;
        }

.orbit-veneer .orbit-strand{
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

.orbit-veneer .orbit-tether{
            text-decoration: none;
            color: #3c4043;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.25s ease;
            position: relative;
        }

.orbit-veneer .orbit-tether:hover, .orbit-veneer .orbit-tether.active{
            color: #ea8633;
        }

.orbit-veneer .orbit-tether.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #ea8633;
        }

.orbit-veneer .orbit-trigger{
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

.orbit-veneer .orbit-spark{
            display: inline-flex;
            align-items: center;
            padding: 1rem 2.5rem;
            background: #ea8633;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 8px 20px rgba(234, 134, 51, 0.3);
        }

.orbit-veneer .orbit-spark:hover{
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(234, 134, 51, 0.4);
        }

@media (max-width: 768px){.orbit-veneer .orbit-strand{ display: none; }}

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

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

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

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

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

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

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

.anchor-trace .anchor-strand{
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

.anchor-trace .anchor-tether{
            text-decoration: none;
            color: #3c4043;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.25s ease;
            position: relative;
        }

.anchor-trace .anchor-tether:hover, .anchor-trace .anchor-tether.active{
            color: #ea8633;
        }

.anchor-trace .anchor-tether.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #ea8633;
        }

.anchor-trace .anchor-sheath{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5%;
        }

.anchor-trace .anchor-etch-body{
            color: #5f6368;
            font-size: 1rem;
        }

.anchor-trace{
            background: #f8f9fa;
            padding: 5rem 0 2rem;
            margin-top: 6rem;
        }

.anchor-trace .anchor-anchor-cluster{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 4rem;
        }

.anchor-trace .anchor-apex-small{
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1.5rem;
            color: #5f6368;
        }

.anchor-trace .anchor-echo-bottom{
            border-top: 1px solid #ddd;
            padding-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #5f6368;
        }

.anchor-trace .anchor-node-strand{
            list-style: none;
        }

.anchor-trace .anchor-node-strand li{
            margin-bottom: 0.8rem;
        }

.anchor-trace .anchor-node-strand a{
            text-decoration: none;
            color: #3c4043;
            transition: color 0.2s;
        }

.anchor-trace .anchor-node-strand a:hover{
            color: #ea8633;
        }

@media (max-width: 768px){.anchor-trace .anchor-strand{ display: none; }}