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

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

        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;
            overflow-x: hidden;
        }

        /* 导航区域：orbit, flux */
        .brow {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
        }

        .orbit {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .glyph {
            min-width: 0;
        }

        .glyph img {
            height: 32px;
            display: block;
        }

        .mesh {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            min-width: 0;
        }

        .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：hull, field, haven */
        .hull {
            width: 100%;
            margin-top: 80px;
        }

        /* 展示区域：flare, zenith, apex */
        .flare {
            padding: 100px 20px 60px;
            background: radial-gradient(circle at 50% -20%, var(--primary-soft), transparent 60%);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .crest {
            font-size: clamp(32px, 5vw, 64px);
            line-height: 1.1;
            letter-spacing: -0.03em;
            color: #111;
            margin-bottom: 24px;
            max-width: 900px;
            word-break: keep-all;
        }

        .yarn {
            font-size: 18px;
            color: var(--text-dim);
            max-width: 700px;
            margin-bottom: 40px;
            word-break: break-word;
        }

        /* 加密标准区块 - intro */
        .field {
            max-width: 1100px;
            margin: 0 auto;
            padding: 60px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }

        .shard {
            flex: 1;
            min-width: 300px;
            background: var(--bg);
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

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

        .atom {
            width: 48px;
            height: 48px;
            background: var(--primary-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .crest-sub {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #111;
        }

        /* 隐私自主权区块 - capability */
        .apex {
            background: #fcfcfc;
            padding: 100px 20px;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .haven {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .clump {
            flex: 1;
            min-width: 340px;
        }

        .lens-nest {
            flex: 1;
            min-width: 340px;
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        }

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

        /* 零数据存储区块 - proof */
        .echo {
            max-width: 800px;
            margin: 100px auto;
            padding: 0 20px;
            text-align: center;
        }

        .beam {
            display: inline-block;
            padding: 8px 20px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        /* 按钮组件：bolt, jolt, zest */
        .bolt {
            display: inline-flex;
            align-items: center;
            padding: 16px 36px;
            background: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.15s ease;
            box-shadow: 0 10px 20px rgba(240, 152, 76, 0.3);
            border: none;
            cursor: pointer;
        }

        .bolt:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(240, 152, 76, 0.4);
        }

        /* 页脚区域：hush, drift, echo */
        .heel {
            background: #fafafa;
            padding: 80px 20px 40px;
            border-top: 1px solid var(--border);
        }

        .hush {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

        .drift {
            flex: 1;
            min-width: 200px;
        }

        .drift h4 {
            font-size: 16px;
            margin-bottom: 20px;
            color: #111;
        }

        .node {
            list-style: none;
            margin-bottom: 12px;
        }

        .node a {
            text-decoration: none;
            color: var(--text-dim);
            font-size: 14px;
            transition: color 0.15s ease;
        }

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

        .copyright {
            width: 100%;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid var(--border);
            text-align: center;
            color: #aaa;
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .orbit {
                height: auto;
                padding: 15px 20px;
            }
            .mesh {
                width: 100%;
                margin-top: 15px;
                gap: 15px;
            }
            .flare {
                padding-top: 60px;
            }
            .shard {
                min-width: 100%;
            }
            .clump, .lens-nest {
                min-width: 100%;
            }
        }

.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; }}