/* 基础重置与变量 */
        :root {
            --lac-color-bg: #f8f9fc;
            --lac-color-surface: #ffffff;
            --lac-color-text-main: #1a1f36;
            --lac-color-text-mut: #4f566b;
            --lac-color-brand: #4338ca;
            --lac-color-brand-light: #e0e7ff;
            --lac-color-accent: #10b981;
            --lac-color-border: #e5e7eb;
            --lac-font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --lac-spacing-unit: 8px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--lac-font-main);
            background-color: var(--lac-color-bg);
            color: var(--lac-color-text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 强制规则 */
        .lac-flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .lac-flex-wrap > * {
            min-width: 0;
        }
        .lac-text-wrap {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        .lac-text-cn {
            word-break: keep-all;
        }

        /* 导航栏 (复用结构对应的基础样式) */
        .lac-ixuvi {
            background-color: var(--lac-color-surface);
            border-bottom: 1px solid var(--lac-color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .lac-aguz {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 16px 24px;
        }
        .lac-aguz > * { min-width: 0; }
        .lac-logo img {
            height: 32px;
        }
        .lac-aguz-links {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .lac-aguz-links > * { min-width: 0; }
        .lac-ixuvi-item {
            font-size: 15px;
            font-weight: 500;
            color: var(--lac-color-text-mut);
            padding: 8px 12px;
            border-radius: 6px;
        }
        .lac-ixuvi-item:hover {
            color: var(--lac-color-brand);
            background-color: var(--lac-color-brand-light);
        }
        .lac-ixuvi-item.active {
            color: var(--lac-color-brand);
            background-color: var(--lac-color-brand-light);
            font-weight: 700;
        }

        /* 顶部展示区 (独特结构) */
        .lac-duqar {
            background: linear-gradient(135deg, var(--lac-color-surface) 0%, #f0f4ff 100%);
            padding: 96px 24px;
            border-bottom: 1px solid var(--lac-color-border);
            position: relative;
            overflow: hidden;
        }
        .lac-duqar::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(67,56,202,0.05) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            z-index: 0;
        }
        .lac-duqar-inner {
            max-width: 1100px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            align-items: center;
            gap: 64px;
        }
        .lac-duqar-text {
            flex: 1 1 500px;
        }
        .lac-duqar-visual {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
        }
        .lac-duqar-badge {
            display: inline-flex;
            align-items: center;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--lac-color-accent);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }
        .lac-duqar-badge svg {
            width: 16px;
            height: 16px;
            margin-right: 8px;
        }
        .lac-duqar-title {
            font-size: clamp(2.5rem, 4vw + 1rem, 4rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin: 0 0 24px 0;
            line-height: 1.1;
            color: #111827;
            white-space: normal;
        }
        .lac-duqar-title span {
            color: var(--lac-color-brand);
        }
        .lac-duqar-desc {
            font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--lac-color-text-mut);
            margin-bottom: 40px;
        }
        .lac-iveg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            background-color: var(--lac-color-brand);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border-radius: 8px;
            box-shadow: 0 4px 14px rgba(67, 56, 202, 0.3);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .lac-iveg:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(67, 56, 202, 0.4);
            color: #fff;
        }

        /* 核心安全特性区 */
        .lac-urin {
            padding: 96px 24px;
            background-color: var(--lac-color-surface);
        }
        .lac-urin-header {
            max-width: 800px;
            margin: 0 auto 64px auto;
            text-align: center;
        }
        .lac-urin-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            margin: 0 0 16px 0;
            white-space: normal;
        }
        .lac-wonepo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .lac-wonepo {
            background: var(--lac-color-bg);
            border: 1px solid var(--lac-color-border);
            border-radius: 16px;
            padding: 40px 32px;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }
        .lac-wonepo:hover {
            border-color: var(--lac-color-brand);
            transform: translateY(-4px);
        }
        .lac-wonepo-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--lac-color-brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--lac-color-brand);
        }
        .lac-wonepo-icon svg {
            width: 28px;
            height: 28px;
        }
        .lac-wonepo-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 16px 0;
            white-space: normal;
        }
        .lac-wonepo-desc {
            color: var(--lac-color-text-mut);
            margin: 0;
        }

        /* 配置步骤区 (图文混排) */
        .lac-sopafen {
            padding: 96px 24px;
            background-color: #111827; /* 深色对比区 */
            color: #f3f4f6;
        }
        .lac-sopafen-inner {
            max-width: 1100px;
            margin: 0 auto;
            align-items: center;
            gap: 64px;
        }
        .lac-sopafen-visual {
            flex: 1 1 450px;
            background: #1f2937;
            border: 1px solid #374151;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
        }
        .lac-sopafen-terminal {
            font-family: monospace;
            color: #10b981;
            font-size: 14px;
            line-height: 1.8;
        }
        .lac-sopafen-terminal span { color: #9ca3af; }
        .lac-sopafen-content {
            flex: 1 1 450px;
        }
        .lac-sopafen-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            margin: 0 0 32px 0;
            white-space: normal;
        }
        .lac-epik-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .lac-epik {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .lac-epik-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--lac-color-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .lac-epik-text h4 {
            margin: 0 0 8px 0;
            font-size: 1.125rem;
            color: #fff;
            white-space: normal;
        }
        .lac-epik-text p {
            margin: 0;
            color: #9ca3af;
        }

        /* 证言区 */
        .lac-usub {
            padding: 96px 24px;
            background-color: var(--lac-color-surface);
            border-bottom: 1px solid var(--lac-color-border);
        }
        .lac-usub-inner {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        .lac-usub-quote {
            font-size: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);
            font-weight: 500;
            color: var(--lac-color-text-main);
            font-style: italic;
            margin: 0 0 32px 0;
            position: relative;
        }
        .lac-usub-quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--lac-color-brand-light);
            position: absolute;
            top: -20px;
            left: -30px;
            z-index: -1;
        }
        .lac-usub-author {
            font-weight: 700;
            color: var(--lac-color-brand);
            font-size: 1.125rem;
        }
        .lac-usub-meta {
            color: var(--lac-color-text-mut);
            font-size: 0.875rem;
            margin-top: 4px;
        }

        /* 页脚 */
        .lac-cizenu {
            background-color: #0f1115;
            color: #9ca3af;
            padding: 64px 24px 32px 24px;
        }
        .lac-icag {
            max-width: 1200px;
            margin: 0 auto;
        }
        .lac-icag-top {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 48px;
            border-bottom: 1px solid #1f2937;
            padding-bottom: 48px;
        }
        .lac-icag-top > * { min-width: 0; }
        .lac-icag-brand-col {
            flex: 2 1 300px;
        }
        .lac-icag-brand-text {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            display: block;
            margin-bottom: 16px;
        }
        .lac-icag-slogan {
            line-height: 1.8;
            max-width: 400px;
        }
        .lac-icag-links-col {
            flex: 1 1 150px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .lac-icag-list-title {
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px 0;
        }
        .lac-icag-link {
            color: #9ca3af;
        }
        .lac-icag-link:hover {
            color: var(--lac-color-brand);
        }
        .lac-icag-bottom {
            text-align: center;
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .lac-aguz-links {
                display: none; /* 简化移动端，通常会有汉堡菜单，这里保持HTML结构隐藏 */
            }
            .lac-duqar { padding: 64px 24px; }
            .lac-urin { padding: 64px 24px; }
            .lac-sopafen { padding: 64px 24px; }
            .lac-usub { padding: 64px 24px; }
            .lac-duqar-inner { gap: 32px; }
        }

.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;
}