:root {
            --primary: #3979f9;
            --accent: #ea4335;
            --success: #34a853;
            --warning: #fbbc05;
            --dark: #202124;
            --light: #f8f9fa;
            --radius: 21px;
            --shadow: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-hover: 0 20px 50px rgba(57,121,249,0.15);
            --transition: 0.15s ease;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--light); color: var(--dark); line-height: 1.7; word-break: keep-all; overflow-wrap: break-word; }

        /* 顶部导航 */
        .tabstrip { position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(15px); border-bottom: 1px solid rgba(0,0,0,0.05); }
        .omnibar { max-width: 1400px; margin: 0 auto; padding: 0 2rem; height: 72px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .emblem { height: 36px; display: flex; align-items: center; }
        .emblem img { height: 100%; width: auto; }
        .coil { display: flex; gap: 1.5rem; flex-wrap: wrap; }
        .knot { text-decoration: none; color: #5f6368; font-weight: 500; font-size: 15px; transition: var(--transition); padding: 0.5rem 0.8rem; border-radius: 12px; }
        .knot:hover { color: var(--primary); background: rgba(57,121,249,0.05); }
        .knot.active { color: var(--primary); position: relative; }
        .knot.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }

        /* 骨架布局 */
        .shroud { display: block; width: 100%; }
        .vessel { padding-top: 72px; }

        /* Hero区 - 对角线斜切结构 */
        .canvas { position: relative; height: 95vh; min-height: 700px; overflow: hidden; background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%); display: flex; align-items: center; }
        .skyline { width: 100%; height: 100%; display: flex; flex-wrap: wrap; position: relative; z-index: 1; }
        
        .intro-pith { 
            flex: 1; min-width: 0; padding: 4rem 2rem 4rem 10vw; display: flex; flex-direction: column; justify-content: center; z-index: 2;
            clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
            background: rgba(255,255,255,0.7);
            backdrop-filter: blur(5px);
        }
        .intro-lens { 
            flex: 1; min-width: 0; position: relative; overflow: hidden;
            clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
        }
        .intro-lens img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .intro-lens:hover img { transform: scale(1.05); }

        h1.pith { font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.1; color: var(--dark); margin-bottom: 2rem; font-weight: 800; letter-spacing: -2px; }
        .etch { font-size: 1.25rem; color: #5f6368; margin-bottom: 3rem; max-width: 600px; }
        .trigger-nexus { display: flex; gap: 1rem; flex-wrap: wrap; }
        .spark { 
            background: var(--primary); color: white; padding: 1.2rem 2.8rem; border-radius: 50px; text-decoration: none; 
            font-weight: 600; font-size: 1.1rem; box-shadow: 0 10px 30px rgba(57,121,249,0.3); transition: var(--transition); 
            display: inline-flex; align-items: center; border: 2px solid transparent;
        }
        .spark:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(57,121,249,0.4); background: #2a6ae0; }
        .orb { 
            padding: 1.2rem 2.5rem; border: 2px solid var(--primary); color: var(--primary); border-radius: 50px; 
            text-decoration: none; font-weight: 600; transition: var(--transition); 
        }
        .orb:hover { background: rgba(57,121,249,0.05); }

        /* 安全能力展示区 */
        .sandbox { padding: 8rem 2rem; max-width: 1400px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; gap: 4rem; }
        .capability-lens { flex: 1; min-width: 350px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
        .capability-lens img { width: 100%; display: block; }
        .capability-etch { flex: 1; min-width: 350px; }
        .capability-etch h2 { font-size: 2.8rem; margin-bottom: 1.5rem; font-weight: 700; color: var(--dark); }
        .capability-etch p { font-size: 1.15rem; color: #5f6368; margin-bottom: 2rem; }

        /* 隐私数据面板小组件 */
        .grain-nexus { display: flex; flex-direction: column; gap: 1.5rem; }
        .grain { display: flex; align-items: flex-start; gap: 1rem; padding: 1.5rem; background: white; border-radius: 18px; border: 1px solid #eee; transition: var(--transition); }
        .grain:hover { border-color: var(--primary); transform: translateX(10px); }
        .glyph { flex-shrink: 0; width: 48px; height: 48px; background: rgba(57,121,249,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--primary); }
        .grain h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
        .grain p { font-size: 1rem; margin-bottom: 0; line-height: 1.5; }

        /* 个性化主页网格 */
        .shroud { padding: 8rem 2rem; background: #ffffff; }
        .shroud-cap { text-align: center; max-width: 800px; margin: 0 auto 4rem; }
        .shroud-cap h2 { font-size: 3rem; margin-bottom: 1rem; }
        .facet-nexus { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; max-width: 1400px; margin: 0 auto; }
        .facet { 
            background: var(--light); padding: 3rem 2.5rem; border-radius: var(--radius); border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transition); position: relative; overflow: hidden;
        }
        .facet:hover { background: white; box-shadow: var(--shadow-hover); transform: translateY(-5px); border-color: rgba(57,121,249,0.1); }
        .facet::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--primary); opacity: 0; transition: var(--transition); }
        .facet:hover::before { opacity: 1; }
        .facet h3 { font-size: 1.6rem; margin: 1.5rem 0 1rem; }
        .facet p { color: #5f6368; font-size: 1.1rem; }

        /* 站内路径导览 */
        .bedrock { padding: 8rem 2rem; background: var(--dark); color: white; border-radius: 40px 40px 0 0; }
        .bedrock-cap { max-width: 1400px; margin: 0 auto 4rem; }
        .bedrock-cap h2 { font-size: 2.5rem; border-left: 6px solid var(--primary); padding-left: 1.5rem; }
        .path-nexus { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
        .tile { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 2.5rem; border-radius: 20px; transition: var(--transition); }
        .tile:hover { background: rgba(255,255,255,0.1); border-color: var(--primary); }
        .tile h4 { font-size: 1.4rem; margin-bottom: 1rem; color: var(--primary); }
        .tile p { font-size: 0.95rem; color: #bdc1c6; margin-bottom: 1.5rem; min-height: 4.5em; }
        .tile .knot { color: white; padding-left: 0; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
        .tile .knot:hover { background: transparent; transform: translateX(5px); }

        /* 页脚区域 */
        .subbase { background: var(--dark); padding: 4rem 2rem; border-top: 1px solid rgba(255,255,255,0.1); color: #9aa0a6; }
        .subbase-nexus { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }
        .brand-etch { font-size: 1.5rem; font-weight: 700; color: white; }
        .legal-coil { display: flex; gap: 2rem; flex-wrap: wrap; }
        .legal-knot { text-decoration: none; color: #9aa0a6; font-size: 14px; transition: var(--transition); }
        .legal-knot:hover { color: white; }

        /* SVG 样式 */
        .svg-glyph { width: 24px; height: 24px; fill: currentColor; }

        @media (max-width: 1024px) {
            .intro-pith { padding-left: 5vw; clip-path: none; background: white; flex: 1 1 100%; text-align: center; align-items: center; height: auto; padding-top: 6rem; }
            .intro-lens { display: none; }
            .canvas { height: auto; min-height: 600px; }
            .pith { font-size: 3rem; }
        }

        @media (max-width: 768px) {
            .omnibar { height: auto; padding: 1rem; }
            .coil { margin-top: 1rem; width: 100%; justify-content: center; }
            .sandbox, .facet-nexus, .path-nexus { flex-direction: column; }
            .capability-lens { min-width: 100%; }
            .shroud-cap h2, .capability-etch h2 { font-size: 2.2rem; }
        }

.tabstrip-tabstrip {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--dark);
}
.tabstrip-tabstrip,
.tabstrip-tabstrip *,
.tabstrip-tabstrip *::before,
.tabstrip-tabstrip *::after {
    box-sizing: border-box;
}

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

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

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

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

.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active,
.tabstrip-tabstrip a.tabstrip-knot {
    --aisite-shell-nav-padding: 0.5rem 0.8rem;
    --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;
}

.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active,
.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active:hover,
.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active:focus,
.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active:active,
.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active.active,
.tabstrip-tabstrip a.tabstrip-knot.tabstrip-active[aria-current="page"],
.tabstrip-tabstrip a.tabstrip-knot,
.tabstrip-tabstrip a.tabstrip-knot:hover,
.tabstrip-tabstrip a.tabstrip-knot:focus,
.tabstrip-tabstrip a.tabstrip-knot:active,
.tabstrip-tabstrip a.tabstrip-knot.active,
.tabstrip-tabstrip a.tabstrip-knot[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);
}

.tabstrip-tabstrip{ position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(15px); border-bottom: 1px solid rgba(0,0,0,0.05); }

.tabstrip-tabstrip .tabstrip-omnibar{ max-width: 1400px; margin: 0 auto; padding: 0 2rem; height: 72px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }

.tabstrip-tabstrip .tabstrip-emblem{ height: 36px; display: flex; align-items: center; }

.tabstrip-tabstrip .tabstrip-emblem img{ height: 100%; width: auto; }

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

.tabstrip-tabstrip .tabstrip-knot{ text-decoration: none; color: #5f6368; font-weight: 500; font-size: 15px; transition: 0.15s ease; padding: 0.5rem 0.8rem; border-radius: 12px; }

.tabstrip-tabstrip .tabstrip-knot:hover{ color: #3979f9; background: rgba(57,121,249,0.05); }

.tabstrip-tabstrip .tabstrip-knot.tabstrip-active{ color: #3979f9; position: relative; }

.tabstrip-tabstrip .tabstrip-knot.tabstrip-active::after{ content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: #3979f9; }

@media (max-width: 768px){.tabstrip-tabstrip .tabstrip-omnibar{ height: auto; padding: 1rem; }

.tabstrip-tabstrip .tabstrip-coil{ margin-top: 1rem; width: 100%; justify-content: center; }}

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

.subbase-subbase {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--dark);
}
.subbase-subbase,
.subbase-subbase *,
.subbase-subbase *::before,
.subbase-subbase *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.subbase-subbase{ background: #202124; padding: 4rem 2rem; border-top: 1px solid rgba(255,255,255,0.1); color: #9aa0a6; }

.subbase-subbase .subbase-subbase-nexus{ max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }

.subbase-subbase .subbase-brand-etch{ font-size: 1.5rem; font-weight: 700; color: white; }

.subbase-subbase .subbase-legal-coil{ display: flex; gap: 2rem; flex-wrap: wrap; }

.subbase-subbase .subbase-legal-knot{ text-decoration: none; color: #9aa0a6; font-size: 14px; transition: 0.15s ease; }

.subbase-subbase .subbase-legal-knot:hover{ color: white; }