/* 
         * 独创色彩与排版系统 
         * 灵感：深空极客 (Deep Space Geek) - 强调专业、深邃与代码质感
         */
        :root {
            --lac-bg-base: #06090e;
            --lac-bg-surface: #0d131f;
            --lac-bg-surface-alt: #161f33;
            --lac-text-primary: #f0f4f8;
            --lac-text-secondary: #94a3b8;
            --lac-accent-cyan: #00f0ff;
            --lac-accent-purple: #7a00ff;
            --lac-border-dim: rgba(255, 255, 255, 0.08);
            --lac-font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --lac-radius-lg: 16px;
            --lac-radius-sm: 8px;
            --lac-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--lac-bg-base);
            color: var(--lac-text-primary);
            font-family: var(--lac-font-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        /* 统一词汇表布局组件 */
        .lac-ohar {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5vw;
            box-sizing: border-box;
        }

        /* 顶部导航栏 (强制复用结构) */
        .lac-ixuvi {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 9, 14, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--lac-border-dim);
            padding: 16px 0;
        }
        .lac-aguz {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5vw;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .lac-logo img {
            height: 32px;
            object-fit: contain;
        }
        .lac-aguz-links {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            min-width: 0;
        }
        .lac-ixuvi-item {
            color: var(--lac-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--lac-transition);
            padding: 8px 0;
            position: relative;
        }
        .lac-ixuvi-item:hover { color: var(--lac-text-primary); }
        .lac-ixuvi-item.active {
            color: var(--lac-accent-cyan);
        }
        .lac-ixuvi-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--lac-accent-cyan);
            box-shadow: 0 0 10px var(--lac-accent-cyan);
        }

        /* 核心展示区 (非传统Hero) */
        .lac-duqar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            padding: 96px 0;
            min-height: 70vh;
        }
        .lac-duqar.lac-reverse {
            flex-direction: row-reverse;
            padding: 64px 0;
        }
        .lac-usub {
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .lac-icupayi {
            flex: 1.2;
            min-width: 320px;
            position: relative;
        }
        .lac-icupayi::before {
            content: '';
            position: absolute;
            inset: -20px;
            background: linear-gradient(45deg, var(--lac-accent-cyan), var(--lac-accent-purple));
            filter: blur(60px);
            opacity: 0.15;
            border-radius: 50%;
            z-index: 0;
        }
        .lac-icupayi img {
            border-radius: var(--lac-radius-lg);
            border: 1px solid var(--lac-border-dim);
            position: relative;
            z-index: 1;
            box-shadow: 0 24px 48px rgba(0,0,0,0.5);
            transition: var(--lac-transition);
        }
        .lac-icupayi img:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 240, 255, 0.3);
        }

        /* 文本排版 */
        .lac-usub h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            line-height: 1.1;
            margin: 0;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(to right, #fff, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: normal;
        }
        .lac-usub h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin: 0;
            color: var(--lac-text-primary);
            white-space: normal;
        }
        .lac-usub p {
            font-size: clamp(1rem, 1.5vw, 1.125rem);
            color: var(--lac-text-secondary);
            margin: 0;
            max-width: 600px;
        }
        .lac-usub-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--lac-accent-cyan);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            width: max-content;
        }

        /* 按钮设计 */
        .lac-iveg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background: var(--lac-text-primary);
            color: var(--lac-bg-base);
            padding: 16px 32px;
            border-radius: var(--lac-radius-sm);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--lac-transition);
            width: max-content;
            border: none;
            cursor: pointer;
        }
        .lac-iveg:hover {
            background: var(--lac-accent-cyan);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 240, 255, 0.3);
        }
        .lac-qiza {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--lac-bg-surface-alt);
            color: var(--lac-text-primary);
            padding: 12px 24px;
            border-radius: var(--lac-radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--lac-border-dim);
            transition: var(--lac-transition);
            width: 100%;
            box-sizing: border-box;
        }
        .lac-qiza:hover {
            border-color: var(--lac-accent-purple);
            background: rgba(122, 0, 255, 0.1);
        }

        /* 网格卡片区 (下载平台矩阵) */
        .lac-sopafen {
            padding: 64px 0;
            border-top: 1px solid var(--lac-border-dim);
            background: linear-gradient(to bottom, var(--lac-bg-base), var(--lac-bg-surface));
        }
        .lac-urin {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }
        .lac-wonepo {
            background: var(--lac-bg-surface);
            border: 1px solid var(--lac-border-dim);
            border-radius: var(--lac-radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 24px;
            transition: var(--lac-transition);
            position: relative;
            overflow: hidden;
        }
        .lac-wonepo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--lac-accent-cyan), transparent);
            opacity: 0;
            transition: var(--lac-transition);
        }
        .lac-wonepo:hover {
            transform: translateY(-4px);
            border-color: rgba(255,255,255,0.15);
            box-shadow: 0 12px 32px rgba(0,0,0,0.4);
        }
        .lac-wonepo:hover::before { opacity: 1; }
        
        .lac-epik {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .lac-epik svg {
            width: 48px;
            height: 48px;
            fill: var(--lac-text-primary);
        }
        .lac-epik-text {
            display: flex;
            flex-direction: column;
        }
        .lac-epik-text strong {
            font-size: 1.25rem;
            color: var(--lac-text-primary);
        }
        .lac-epik-text span {
            font-size: 0.85rem;
            color: var(--lac-text-secondary);
        }
        .lac-wonepo-meta {
            font-size: 0.9rem;
            color: var(--lac-text-secondary);
            border-top: 1px dashed var(--lac-border-dim);
            padding-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        /* 页脚区域 */
        .lac-cizenu {
            background: var(--lac-bg-surface);
            border-top: 1px solid var(--lac-border-dim);
            padding: 80px 0 40px;
            margin-top: 64px;
        }
        .lac-icag {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5vw;
        }
        .lac-icag-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 64px;
            margin-bottom: 64px;
        }
        .lac-icag-brand-text {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--lac-text-primary);
            letter-spacing: -1px;
            display: block;
            margin-bottom: 16px;
        }
        .lac-icag-slogan {
            color: var(--lac-text-secondary);
            max-width: 300px;
        }
        .lac-icag-list-title {
            color: var(--lac-text-primary);
            font-size: 1.1rem;
            margin: 0 0 24px 0;
            font-weight: 600;
        }
        .lac-icag-links-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .lac-icag-link {
            color: var(--lac-text-secondary);
            transition: var(--lac-transition);
        }
        .lac-icag-link:hover { color: var(--lac-accent-cyan); }
        .lac-icag-bottom {
            border-top: 1px solid var(--lac-border-dim);
            padding-top: 24px;
            color: var(--lac-text-secondary);
            font-size: 0.9rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        @media (max-width: 900px) {
            .lac-duqar { gap: 40px; padding: 48px 0; }
            .lac-icag-top { grid-template-columns: 1fr; gap: 40px; }
            .lac-usub h1 { font-size: 2.5rem; }
        }
        @media (max-width: 768px) {
            .lac-aguz-links { display: none; /* 移动端应由JS处理，此处按要求仅构建结构 */ }
            .lac-iveg { width: 100%; }
            .lac-usub-tag { font-size: 0.75rem; }
        }

.lac-hdr-ixuvi,
.lac-hdr-ixuvi *,
.lac-hdr-ixuvi *::before,
.lac-hdr-ixuvi *::after {
    box-sizing: border-box;
}

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

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

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

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

.lac-hdr-ixuvi a.lac-hdr-ixuvi-item {
    --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;
}

.lac-hdr-ixuvi a.lac-hdr-ixuvi-item,
.lac-hdr-ixuvi a.lac-hdr-ixuvi-item:hover,
.lac-hdr-ixuvi a.lac-hdr-ixuvi-item:focus,
.lac-hdr-ixuvi a.lac-hdr-ixuvi-item:active,
.lac-hdr-ixuvi a.lac-hdr-ixuvi-item.active,
.lac-hdr-ixuvi a.lac-hdr-ixuvi-item[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);
}

.lac-ftr-cizenu,
.lac-ftr-cizenu *,
.lac-ftr-cizenu *::before,
.lac-ftr-cizenu *::after {
    box-sizing: border-box;
}

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

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

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

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

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