:root {
            --primary: #668cee;
            --accent: #3b5bdb;
            --bg: #ffffff;
            --text: #2c2e33;
            --radius: 12px;
            --shadow: 0 10px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
        }

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

        body {
            font-family: var(--font);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 强制复用首页导航栏样式 */
        .crown-vocal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .pinyin-veil {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .vocal-icona img {
            height: 32px;
            width: auto;
            display: block;
        }

        .pinyin-array {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

        .pinyin-via {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.15s ease;
            position: relative;
        }

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

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

        .spark-pulse {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.15s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 20px rgba(102, 140, 238, 0.3);
        }

        .spark-pulse:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(102, 140, 238, 0.4);
        }

        /* 下载页核心内容 */
        main {
            padding-top: 80px;
        }

        /* Hero Section - Acquire */
        .facade-vista {
            padding: 120px 5vw 80px;
            background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            min-height: 80vh;
        }

        .nexus-vault {
            max-width: 1200px;
            width: 100%;
            display: flex;
            align-items: center;
            gap: 4rem;
            flex-wrap: wrap;
        }

        .lexis-core {
            flex: 1;
            min-width: 320px;
        }

        .facade-apex {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: #1a1b1e;
            margin-bottom: 2rem;
            letter-spacing: -0.02em;
            word-break: break-word;
        }

        .facade-apex span {
            color: var(--primary);
        }

        .lexis-core p {
            font-size: 1.25rem;
            color: #5c5f66;
            margin-bottom: 3rem;
            max-width: 540px;
        }

        .pixel-veil {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

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

        /* Platform Matrix - Comparison */
        .nexus-sphere {
            padding: 100px 5vw;
            background: #fff;
        }

        .vault-apex {
            text-align: center;
            margin-bottom: 80px;
        }

        .vault-apex h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .glyph-tribe {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }

        .glyph-unit {
            background: #fff;
            border: 1px solid #f0f0f0;
            border-radius: var(--radius);
            padding: 3rem 2rem;
            text-align: center;
            transition: all 0.15s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }

        .glyph-unit:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .mark-sphere {
            width: 64px;
            height: 64px;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f8faff;
            border-radius: 16px;
            color: var(--primary);
        }

        .mark-sphere svg {
            width: 32px;
            height: 32px;
        }

        .glyph-unit h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .glyph-unit p {
            color: #70757a;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }

        .snap-pulse {
            width: 100%;
            padding: 0.8rem 1.5rem;
            border: 2px solid #eef2ff;
            border-radius: 30px;
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            transition: all 0.15s ease;
        }

        .snap-pulse:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Changelog Panel - Comparison */
        .vault-quilt {
            padding: 100px 5vw;
            background: #fcfdfe;
        }

        .quilt-nexus {
            max-width: 900px;
            margin: 0 auto;
        }

        .quilt-apex {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 3rem;
            font-family: serif;
        }

        .lexis-belt {
            border-left: 2px solid #eef2ff;
            padding-left: 3rem;
            position: relative;
        }

        .unit-belt {
            margin-bottom: 4rem;
            position: relative;
        }

        .unit-belt::before {
            content: '';
            position: absolute;
            left: calc(-3rem - 6px);
            top: 10px;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid #fff;
            box-shadow: 0 0 0 4px #eef2ff;
        }

        .unit-belt h4 {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .unit-belt .core-date {
            font-size: 0.9rem;
            color: #a0a0a0;
            font-weight: normal;
        }

        .unit-belt ul {
            list-style: none;
            margin-top: 1.5rem;
        }

        .unit-belt li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.8rem;
            color: #4a4d55;
        }

        .unit-belt li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* Footer - Finis */
        .finis-trace {
            background: #1a1b1e;
            color: #fff;
            padding: 80px 5vw 40px;
        }

        .echo-sphere {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 4rem;
        }

        .echo-datum {
            flex: 1;
            min-width: 280px;
        }

        .echo-datum h5 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            letter-spacing: 0.05em;
        }

        .echo-datum p {
            color: #909296;
            margin-bottom: 2rem;
            max-width: 300px;
        }

        .echo-array {
            display: flex;
            gap: 4rem;
            flex-wrap: wrap;
        }

        .echo-unit h6 {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            color: #fff;
        }

        .echo-unit a {
            display: block;
            color: #909296;
            text-decoration: none;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            transition: color 0.15s ease;
        }

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

        .echo-finis {
            max-width: 1200px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: #5c5f66;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .pinyin-array {
                display: none;
            }
            .facade-vista {
                padding: 100px 5vw 60px;
                text-align: center;
            }
            .nexus-vault {
                flex-direction: column;
                gap: 3rem;
            }
            .lexis-core p {
                margin-left: auto;
                margin-right: auto;
            }
            .facade-apex {
                font-size: 2.8rem;
            }
            .glyph-tribe {
                grid-template-columns: 1fr;
            }
            .echo-sphere {
                flex-direction: column;
                gap: 3rem;
            }
        }

.pinyin-crown-vocal {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text);
}
.pinyin-crown-vocal,
.pinyin-crown-vocal *,
.pinyin-crown-vocal *::before,
.pinyin-crown-vocal *::after {
    box-sizing: border-box;
}

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

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

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

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

.pinyin-crown-vocal a.pinyin-pinyin-via {
    --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;
}

.pinyin-crown-vocal a.pinyin-pinyin-via,
.pinyin-crown-vocal a.pinyin-pinyin-via:hover,
.pinyin-crown-vocal a.pinyin-pinyin-via:focus,
.pinyin-crown-vocal a.pinyin-pinyin-via:active,
.pinyin-crown-vocal a.pinyin-pinyin-via.active,
.pinyin-crown-vocal a.pinyin-pinyin-via[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);
}

.pinyin-crown-vocal{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1rem 0;
        }

.pinyin-crown-vocal .pinyin-pinyin-veil{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5vw;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

.pinyin-crown-vocal .pinyin-vocal-icona{
            height: 32px;
            flex-shrink: 0;
        }

.pinyin-crown-vocal .pinyin-vocal-icona img{
            height: 100%;
            display: block;
        }

.pinyin-crown-vocal .pinyin-pinyin-array{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

.pinyin-crown-vocal .pinyin-pinyin-via{
            text-decoration: none;
            color: #2c2e33;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.15s ease;
            position: relative;
        }

.pinyin-crown-vocal .pinyin-pinyin-via:hover, .pinyin-crown-vocal .pinyin-pinyin-via.active{
            color: #668cee;
        }

.pinyin-crown-vocal .pinyin-pinyin-via.active::after{
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #668cee;
        }

.pinyin-crown-vocal .pinyin-spark-pulse{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1.2rem 3rem;
            background: #668cee;
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: 0.15s ease;
            box-shadow: 0 10px 20px rgba(102, 140, 238, 0.3);
            position: relative;
            z-index: 1;
        }

.pinyin-crown-vocal .pinyin-spark-pulse:hover{
            transform: translateY(-3px);
            background: #3b5bdb;
            box-shadow: 0 15px 30px rgba(102, 140, 238, 0.4);
        }

@media (max-width: 768px){.pinyin-crown-vocal .pinyin-pinyin-array{ display: none; }}

.pinyin-crown-vocal {
    background: rgb(255, 255, 255);
    background-image: none;
}

.trace-finis-trace {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text);
}
.trace-finis-trace,
.trace-finis-trace *,
.trace-finis-trace *::before,
.trace-finis-trace *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.trace-finis-trace{
            background: #f8f9fa;
            padding: 80px 5vw 40px;
            border-top: 1px solid #eee;
        }

.trace-finis-trace .trace-trace-veil{
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 4rem;
        }

.trace-finis-trace .trace-echo-datum{
            flex: 1;
            min-width: 250px;
        }

.trace-finis-trace .trace-echo-apex{
            font-size: 1.5rem;
            font-weight: 800;
            color: #1a1b1e;
            margin-bottom: 1.5rem;
        }

.trace-finis-trace .trace-datum-tribe{
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

.trace-finis-trace .trace-datum-via{
            text-decoration: none;
            color: #666;
            transition: 0.15s ease;
            font-size: 0.95rem;
        }

.trace-finis-trace .trace-datum-via:hover{
            color: #668cee;
        }

.trace-finis-trace .trace-finis-belt{
            max-width: 1400px;
            margin: 40px auto 0;
            padding-top: 20px;
            border-top: 1px solid #ddd;
            text-align: center;
            color: #999;
            font-size: 0.85rem;
        }