/* ================= 全局与主题变量 (深空蓝灰主题) ================= */
    :root { 
        --bg-color: #0f172a;           
        --bg-secondary: #1e293b;       
        --bg-tertiary: #334155;        
        --text-main: #f1f5f9;          
        --text-muted: #94a3b8;         
        --border-color: #1e293b;       
        --accent-color: #06b6d4;       
        --accent-hover: #0891b2;       
        --accent-glass: rgba(30, 41, 59, 0.6); 
        --hover-glass: rgba(51, 65, 85, 0.6);  
        --table-border: #1e293b; 
        --sic-highlight: rgba(6, 182, 212, 0.03); 
    }
    /* ================= 终极科技星空背景 (深邃星云 + 高清锐化星点 + 呼吸闪烁) ================= */
body { 
    margin: 0; font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; 
    background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; 
    -webkit-font-smoothing: antialiased; position: relative; min-height: 100vh; overflow-x: hidden; 
    
    /* 1. 底层：深邃宇宙渐变 + 大面积微光星云 */
    background-image: 
        radial-gradient(circle at 50% 28%, rgba(56,189,248,0.12) 0%, transparent 28%), 
        radial-gradient(circle at 72% 62%, rgba(6,182,212,0.08) 0%, transparent 24%), 
        radial-gradient(circle at 18% 72%, rgba(14,165,233,0.08) 0%, transparent 26%),
        radial-gradient(circle at 20% 20%, rgba(8,145,178,0.10) 0%, transparent 28%), 
        linear-gradient(180deg, #030712 0%, #071126 45%, #020617 100%); 
    background-attachment: fixed; 
}

/* 2. 中层：静态的密集星空 (使用你的硬边缘锐化画法) */
body::before { 
    content: ''; position: fixed; inset: 0; pointer-events: none; z-index: -2; 
    background-image: 
        radial-gradient(circle at 8% 14%, rgba(255,255,255,0.8) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 22% 30%, rgba(125,211,252,0.6) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 37% 22%, rgba(255,255,255,0.7) 0 1px, transparent 1.7px), 
        radial-gradient(circle at 52% 10%, rgba(255,255,255,0.8) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 68% 26%, rgba(56,189,248,0.6) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 82% 18%, rgba(255,255,255,0.7) 0 1px, transparent 1.7px), 
        radial-gradient(circle at 91% 36%, rgba(125,211,252,0.5) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 14% 52%, rgba(255,255,255,0.6) 0 1px, transparent 1.7px), 
        radial-gradient(circle at 33% 48%, rgba(125,211,252,0.5) 0 1px, transparent 1.7px), 
        radial-gradient(circle at 48% 61%, rgba(255,255,255,0.6) 0 1px, transparent 1.9px), 
        radial-gradient(circle at 65% 56%, rgba(56,189,248,0.5) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 78% 68%, rgba(255,255,255,0.6) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 90% 82%, rgba(125,211,252,0.4) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 18% 83%, rgba(255,255,255,0.6) 0 1px, transparent 1.7px), 
        radial-gradient(circle at 42% 88%, rgba(125,211,252,0.5) 0 1px, transparent 1.8px), 
        radial-gradient(circle at 71% 90%, rgba(255,255,255,0.7) 0 1px, transparent 1.8px); 
    background-repeat: repeat; 
    background-size: 960px 640px; 
    opacity: 0.6; /* 基础密集繁星的亮度 */
}

/* 3. 顶层：动态闪烁的星点 (稍大，带有呼吸灯动画) */
body::after { 
    content: ''; position: fixed; inset: 0; pointer-events: none; z-index: -1; 
    background-image: 
        radial-gradient(circle at 15% 25%, rgba(255,255,255,1) 0 1.2px, transparent 2.2px),
        radial-gradient(circle at 45% 15%, rgba(56,189,248,0.9) 0 1.2px, transparent 2px),
        radial-gradient(circle at 75% 35%, rgba(255,255,255,1) 0 1.5px, transparent 2.5px),
        radial-gradient(circle at 85% 75%, rgba(125,211,252,0.8) 0 1.2px, transparent 2px),
        radial-gradient(circle at 25% 85%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px),
        radial-gradient(circle at 55% 65%, rgba(56,189,248,1) 0 1.5px, transparent 2.5px);
    background-repeat: repeat;
    background-size: 1100px 800px;
    
    /* 5秒一次的平滑呼吸闪烁动画 */
    animation: starlightTwinkle 5s infinite alternate ease-in-out;
}

@keyframes starlightTwinkle {
    0%   { opacity: 0.1; transform: scale(0.98); }
    100% { opacity: 1; transform: scale(1); }
}
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    section { padding: 120px 0; border-bottom: 1px solid var(--border-color); }
    .section-none { border-bottom: none; }
    .section-centered { text-align: center; max-width: 800px; margin: 0 auto; }
    .section-header { text-align: center; max-width: 700px; margin: 0 auto 64px auto; }
    
    /* ================= 排版与字体 ================= */
    h1 { font-size: 60px; line-height: 1.1; margin: 0 0 24px 0; font-weight: 500; letter-spacing: -1px; }
    h2 { font-size: 40px; font-weight: 500; margin: 0 0 24px 0; letter-spacing: -0.5px; line-height: 1.2; }
    h3 { font-size: 22px; margin: 0 0 12px 0; font-weight: 500; }
    p { color: var(--text-muted); font-size: 18px; font-weight: 300; margin-bottom: 24px; }
    a { color: var(--text-main); text-decoration: none; transition: all 0.3s; cursor: pointer; }
    a:hover { color: var(--accent-color); opacity: 0.9; }
    ul { margin: 0; padding: 0; list-style: none; }
    .eyebrow { color: var(--text-muted); font-size: 13px; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 24px; display: block; }
    .text-italic { font-style: italic; }
    /* ================= 自定义手写体样式类 ================= */
    .handwritten-quote {
        font-family: 'Caveat', cursive !important; /* 强制使用手写体 */
        font-size: 24px !important;                /* 稍微放大一点，手写体通常显小 */
        color: var(--text-muted);                  /* 保持低调的高级灰 */
        font-weight: 400;                          /* 正常的字重 */
    }
        /* ================= 页面切换 (SPA) ================= */
    .page-view { display: none; opacity: 0; }
    .page-view.active { display: block; opacity: 1; animation: pageFadeIn 0.3s ease forwards; }
    @keyframes pageFadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
    
    /* ================= 高级无图微动效系统 (原版还原 + 修复) ================= */
    /* 1. 滚动渐显与分层 */
    .reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
    .reveal.active { opacity: 1; transform: translateY(0); }
    .delay-1 { transition-delay: 0.1s; } .delay-2 { transition-delay: 0.2s; }
    .delay-3 { transition-delay: 0.3s; } .delay-4 { transition-delay: 0.4s; }
    
    /* 2. Hero 悬浮呼吸 */
    @keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-12px); } 100% { transform: translateY(0px); } }
    .hero-float { animation: float 6s ease-in-out infinite; }
    
    /* 3. 极缓流线背景 (暗示流体/微通道) */
    @keyframes flowDrift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
    .bg-flow-drift { background: linear-gradient(-45deg, var(--bg-color), var(--bg-secondary), var(--bg-color), rgba(6, 182, 212, 0.05)); background-size: 300% 300%; animation: flowDrift 15s ease infinite; border: 1px solid var(--border-color); }
    
    /* 4. 线性扫光 (暗示连续流) */
    .flow-line-sweep { position: relative; overflow: hidden; }
    .flow-line-sweep::after { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(6,182,212,0.05) 50%, rgba(255,255,255,0) 100%); transform: rotate(30deg) translateX(-100%); animation: sweep 6s infinite; pointer-events: none; }
    @keyframes sweep { 0% { transform: rotate(30deg) translateX(-100%); } 20%, 100% { transform: rotate(30deg) translateX(100%); } }
    
    /* 5. 脉冲高光 (热控暗示) */
    @keyframes pulseGlow { 0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.1); } 50% { box-shadow: 0 0 20px 0 rgba(6, 182, 212, 0.2); } 100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.1); } }
    .pulse-glow { animation: pulseGlow 4s infinite; }
    
    /* 6. 图片相框与悬停缩放 (彻底修复塌陷问题) */
    .img-zoom-wrapper { width: 100%; height: 180px; overflow: hidden; border-radius: 4px; border: 1px solid var(--border-color); background: var(--bg-secondary); margin-bottom: 24px;}
    .img-zoom-wrapper .img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--text-muted); transition: transform 0.6s ease; }
    .img-zoom-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
    .card:hover .img-zoom-wrapper .img-placeholder, .card:hover .img-zoom-wrapper img { transform: scale(1.03); }
    
    /* ================= 按钮与标签 ================= */
    .btn { display: inline-block; padding: 12px 28px; border-radius: 4px; font-size: 14px; font-weight: 500; transition: all 0.3s; border: 1px solid transparent; text-align: center; cursor: pointer; }
    .btn-primary { background: var(--accent-color); color: #ffffff; box-shadow: 0 0 15px rgba(6, 182, 212, 0.2); }
    .btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 20px rgba(6, 182, 212, 0.4); color: #ffffff;}
    /* 升级版次级按钮：坚实星舰灰打底 + 亮青色科技边框 */
    .btn-outline { 
        background: #334155; /* 保留你喜欢的坚实深灰蓝，绝对清晰 */
        color: #f8fafc; 
        border-color: var(--accent-color); /* 换成主题亮青色边框 */
        box-shadow: 0 0 8px rgba(6, 182, 212, 0.2); /* 加上微微的青色外发光 */
        transition: all 0.3s ease;
    }
    .btn-outline:hover { 
        background: #475569; /* 鼠标悬停时底色稍微提亮 */
        color: #ffffff;
        border-color: var(--accent-hover); /* 边框变成更亮的青色 */
        box-shadow: 0 0 15px rgba(6, 182, 212, 0.4); /* 悬停时青色光晕放大，极具交互感 */
    }
    
    .tags { display: flex; gap: 12px; flex-wrap: wrap; }
    /* 升级版小标签：亮青色外框 + 霓虹微光 */
    .tag { 
        border: 1px solid var(--accent-color); /* 换成主题亮青色边框 */
        box-shadow: 0 0 6px rgba(6, 182, 212, 0.2); /* 增加极弱的霓虹外发光 */
        padding: 6px 16px; 
        border-radius: 20px; 
        font-size: 12px; 
        color: var(--text-main); /* 把文字提亮为白色，更匹配发光的边框 */
        background: transparent;
        transition: all 0.3s ease;
    }
    .tag:hover { 
        border-color: var(--accent-hover); /* 鼠标悬停时边框变亮 */
        box-shadow: 0 0 12px rgba(6, 182, 212, 0.4); /* 发光增强 */
        color: #ffffff; 
    }
    .tags-matrix { display: flex; flex-wrap: wrap; gap: 16px; row-gap: 20px; justify-content: center; max-width: 900px; margin: 0 auto; }
    .app-tag { display: inline-block; border: 1px solid var(--border-color); padding: 10px 24px; border-radius: 30px; font-size: 14px; background: var(--bg-secondary); color: var(--text-muted); white-space: nowrap; line-height: 1.5; transition: all 0.3s;}
    .app-tag:hover { color: var(--text-main); border-color: var(--accent-color); }
    
/* ================= 导航 (精简版，移除语言切换) ================= */
    header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border-color); background: rgba(15, 23, 42, 0.85); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 100; }
    .logo { flex: 1; font-family: Arial, sans-serif; font-size: 24px; font-weight: bold; font-style: italic; letter-spacing: 0.5px; cursor: pointer; color: var(--text-main);}
    .logo:hover { color: var(--accent-color); }
    nav { display: flex; justify-content: center; gap: 32px; text-transform: uppercase; letter-spacing: 1px; }
    nav a { font-size: 13px; opacity: 0.6; transition: all 0.3s; color: var(--text-main); cursor: pointer; }
    nav a:hover, nav a.active { opacity: 1; font-weight: 500; color: var(--accent-color); } 
    
    .header-right { flex: 1; display: flex; align-items: center; justify-content: flex-end; gap: 24px; }
    
    /* ================= 页脚 ================= */
    footer { border-top: 1px solid var(--border-color); padding: 60px 24px; font-size: 14px; color: var(--text-muted); }
    .footer-grid {
    display: grid;
    /* 将品牌区比例从 1.6fr 提升到 2.5fr，其余四列设为 auto 紧凑排列 */
    grid-template-columns: 2.5fr repeat(4, auto);
    /* 控制列间距*/
    gap: 40px; 
    /* 确保右侧导航文字不会靠得太近，可以根据需要微调间距 */
    justify-content: space-between; 
    margin-bottom: 60px;
    max-width: 1200px;
    margin: 0 auto;
}
    .footer-brand { font-size: 18px; color: var(--text-main); font-weight: 500; margin-bottom: 16px; display: block; }
    .footer-col h5 { color: var(--text-main); font-size: 14px; font-weight: 500; margin: 0 0 16px 0; }
    .footer-col a { display: block; margin-bottom: 12px; cursor: pointer; opacity: 0.6; transition: all 0.3s; }
    .footer-col a:hover { opacity: 1; color: var(--text-main); }
    .footer-col a.active { opacity: 1; color: var(--accent-color); font-weight: 500; } /* 当前页面的高亮颜色 */
    .footer-bottom { border-top: 1px solid var(--border-color); padding-top: 24px; display: flex; justify-content: space-between; max-width: 1200px; margin: 0 auto; font-size: 12px; }
    
    /* ================= 核心布局系统 ================= */
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
    
    /* 核心卡片样式 (你的原版青色顶部流光) */
    .card { position: relative; overflow: hidden; border: 1px solid var(--border-color); padding: 40px 32px; border-radius: 8px; background: var(--accent-glass); transition: transform 0.4s ease, background 0.4s ease; display: flex; flex-direction: column; }
    .card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent-color), transparent); transform: translateX(-100%); transition: transform 0.6s ease; }
    .card:hover { transform: translateY(-4px); background: var(--hover-glass); border-color: transparent;}
    .card:hover::before { transform: translateX(100%); }
    .card-link { font-size: 14px; font-weight: 500; display: inline-block; margin-top: auto; padding-top:16px; color: var(--accent-color) !important; text-decoration: none; cursor: pointer; transition: opacity 0.3s;}
    .card-link:hover { opacity: 0.7; }
    
    .hero { display: flex; align-items: center; padding: 100px 0; gap: 50px; border-bottom: 1px solid var(--border-color); }
    .hero-content { flex: 0.55; } 
    .hero-visual { flex: 0.45; min-height: 480px; border: 1px dashed var(--border-color); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 14px; flex-direction: column; } 
    .hero-actions { display: flex; gap: 16px; margin-top: 40px; }
    
    .split-section { display: flex; gap: 80px; align-items: center; }
    .split-text { flex: 1; }
    .split-visual { flex: 1; height: 400px; border: 1px dashed var(--border-color); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); background: var(--accent-glass); flex-direction: column; font-size: 14px; position: relative; overflow: hidden; }
    .cta-section { text-align: center; padding: 140px 0; border-bottom: none; }
    
    /* ================= 表格与列表 ================= */
    table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
    th, td { padding: 16px 24px; border-bottom: 1px solid var(--table-border); }
    th { color: var(--text-main); font-weight: 500; background: var(--accent-glass); white-space: nowrap; }
    tr:hover td { background: var(--hover-glass); }
    .specs-list li { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; padding-left: 16px; position: relative; }
    .specs-list li::before { content: '•'; position: absolute; left: 0; color: #555; }
    .two-col-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
    .list-item { font-size: 15px; color: #e0e0e0; position: relative; padding-left: 20px; line-height: 1.6; }
    .list-item::before { content: '—'; position: absolute; left: 0; color: var(--accent-color); }
    .work-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 40px; margin-top: 40px; }
    .work-list-item { padding: 16px 0; border-bottom: 1px solid var(--border-color); font-size: 16px; padding-left: 24px; position: relative; }
    .work-list-item::before { content: '→'; position: absolute; left: 0; color: var(--accent-color); }
    .contact-strip { display: flex; justify-content: center; gap: 120px; padding: 40px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); background: rgba(255,255,255,0.01); text-align: center; }
    .contact-item-title { font-size: 13px; text-transform: uppercase; color: #555; display: block; margin-bottom: 8px; }
    .overlay-text { font-size: 12px; color: #888; border: 1px solid #333; padding: 4px 10px; border-radius: 4px; background: rgba(0,0,0,0.5); }

    /* ================= 自定义轮播图 (Carousel) ================= */
.carousel-container {
    position: relative;
    overflow: hidden;
}

/* 每张图片的初始状态：绝对定位，相互重叠，透明度为0 */
.carousel-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1); /* 0.8秒高级丝滑渐隐 */
    z-index: 1;
}

/* 处于激活状态的图片：透明度变1，层级调高 */
.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

/* 底部指示器容器 */
.carousel-indicators {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10; /* 确保指示器浮在图片上面 */
}

/* 底部小横线样式 */
.carousel-indicators .dot {
    width: 32px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.3s ease;
}

/* 小横线被选中或鼠标悬停时的状态 (变成你们的高级青色) */
.carousel-indicators .dot.active {
    background: var(--accent-color);
}
.carousel-indicators .dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ================= 微混流程图决策演进型流程图 (Decision Map) ================= */
.decision-map {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

/* 🔑 核心修复：防撑爆护盾！强制所有框将 padding 算在宽度内，实现外边缘绝对垂直对齐 */
.decision-map * {
    box-sizing: border-box;
}

.dm-node {
    width: 100%;
    text-align: center;
    z-index: 2;
}

.dm-box {
    width: 100%; /* 确保所有格子强制填满设定的同等宽度 */
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text-main);
    font-weight: 500;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.dm-box:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
    transform: translateY(-2px);
}

.dm-title {
    font-size: 15px;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 12px;
}

.dm-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.dm-tags span {
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
}

.dm-list-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
    text-align: left;
    font-size: 13px;
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.5);
    padding: 16px;
    border-radius: 6px;
    border: 1px dashed var(--border-color);
}

.dm-arrow {
    color: var(--accent-color);
    font-size: 18px;
    margin: 6px 0;
    opacity: 0.7;
    line-height: 1;
}

.dm-branch {
    display: flex;
    width: 100%;
    justify-content: space-between;
    gap: 24px;
}

.dm-branch-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dm-accent {
    background: rgba(6, 182, 212, 0.08);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.dm-dark {
    background: var(--bg-tertiary);
    color: var(--text-main);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 13px;
    padding: 16px;
}
/* ================= 沉浸式阅读 (Article Layout) ================= */
.article-wrapper { max-width: 760px; margin: 0 auto; padding: 40px 24px 120px 24px; }
    .breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 40px; display: flex; align-items: center; gap: 12px; }
    .breadcrumb a { color: var(--accent-color); cursor: pointer; text-decoration: none; transition: opacity 0.3s; }
    .breadcrumb a:hover { opacity: 0.7; }
    .breadcrumb span { opacity: 0.3; }
    
    .article-header { margin-bottom: 56px; }
    .article-header h1 { font-size: 42px; line-height: 1.25; margin-bottom: 24px; color: var(--text-main); letter-spacing: -0.5px; }
    .article-meta { font-size: 14px; color: var(--text-muted); display: flex; gap: 24px; border-bottom: 1px solid var(--border-color); padding-bottom: 24px; }
    
    .article-content { font-size: 17px; line-height: 1.8; color: #cbd5e1; }
    .article-content h2 { font-size: 26px; margin: 56px 0 24px 0; color: var(--text-main); }
    .article-content p { margin-bottom: 28px; }
    /* 专属引言样式 */
    .article-quote { font-size: 22px; color: var(--text-main); font-weight: 300; font-style: italic; border-left: 4px solid var(--accent-color); padding-left: 24px; margin: 40px 0; line-height: 1.5; }
    
    /* 文章底部 CTA 与相关阅读 */
    .article-cta { margin-top: 80px; padding: 48px 40px; background: rgba(6, 182, 212, 0.03); border-radius: 8px; border: 1px solid var(--accent-color); text-align: center; }
    .related-reading { margin-top: 80px; border-top: 1px solid var(--border-color); padding-top: 56px; }
    .related-item { margin-bottom: 32px; }
    .related-link {
        display: inline-block;
        font-size: 18px;
        margin: 0 0 8px 0;
        color: var(--accent-color);
        cursor: pointer;
        transition: opacity 0.3s;
        text-decoration: none;
    }

    .related-link:hover,
    .related-link:focus {
        opacity: 0.7;
        text-decoration: underline;
    }
    .related-item p { font-size: 15px; margin: 0; color: var(--text-muted); }

    /* ================= 首页 Hero 轮播特效 ================= */
    .hero-slide {
        position: absolute;
        top: 0; left: 0; width: 100%; height: 100%;
        background-size: cover;
        background-position: center;
        opacity: 0;
        /* 15秒为一个总循环（每张5秒），自带高级缓慢推移效果 */
        animation: heroFadeInOut 15s infinite;
        border-radius: inherit; /* 继承父级的圆角（如果有的话） */
    }
    
    /* 绑定你的三张图片，并错开动画开始时间 */
    .slide-1 { background-image: url('../images/home-hero-1.jpg'); animation-delay: 0s; }
    .slide-2 { background-image: url('../images/home-hero-2.jpg'); animation-delay: 5s; }
    .slide-3 { background-image: url('../images/home-hero-3.jpg'); animation-delay: 10s; }

    /* 呼吸渐变 + 缓慢推进动画 */
    @keyframes heroFadeInOut {
        0%   { opacity: 0; transform: scale(1); }
        10%  { opacity: 1; transform: scale(1.02); } /* 渐渐浮现 */
        33%  { opacity: 1; transform: scale(1.04); } /* 保持显示，并缓慢放大 */
        43%  { opacity: 0; transform: scale(1.05); } /* 渐渐隐去 */
        100% { opacity: 0; transform: scale(1); }
    }
    /* ================= 法律条款页面专属样式 ================= */
    .legal-wrapper { max-width: 800px; margin: 0 auto; padding: 60px 24px 120px 24px; }
    .legal-content { color: #cbd5e1; line-height: 1.8; font-size: 15px; }
    .legal-content h1 { color: var(--text-main); font-size: 32px; margin-bottom: 8px; }
    .legal-content .effective-date { color: var(--text-muted); margin-bottom: 48px; font-size: 14px; }
    .legal-content h2 { color: var(--text-main); font-size: 20px; margin: 40px 0 16px 0; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
    .legal-content p { margin-bottom: 16px; }
    .legal-content ul { margin-bottom: 24px; padding-left: 20px; }
    .legal-content li { margin-bottom: 8px; }
    .legal-contact-box { background: rgba(6, 182, 212, 0.05); border: 1px solid var(--accent-color); padding: 24px; border-radius: 8px; margin-top: 40px; }
    
/* =================  全屏 Hero (智能适配留白) ================= */
.hero-fullscreen {
        display: flex;
        width: 100%;
        /* 高度设为 100vh 减去顶部导航栏的高度，实现完美满屏 */
        min-height: calc(100vh - 85px); 
        margin: 0;
        padding: 0;
        border-bottom: 1px solid var(--border-color);
        box-sizing: border-box;
        overflow: hidden; /* 防止出现横向滚动条 */
    }

    /* 左侧 38% 文字区 (给文字更充裕的呼吸空间) */
    .hero-fs-text {
        flex: 0 0 38%; 
        display: flex;
        flex-direction: column;
        justify-content: center;
        /* 🎯 关键修复：用 clamp 智能控制左边距。
            最小 24px，平时按屏幕宽度的 6% 缩放，最大不超过 120px。彻底告别左侧死板的巨大留白 */
        padding: 60px 48px 60px clamp(24px, 6vw, 120px);
        background: var(--bg-color); /* 纯色底 */
        z-index: 2; 
        box-sizing: border-box;
    }

    .hero-fs-text-inner {
        width: 100%;
        max-width: 540px; /* 限制单行文字最大宽度，保证高级画册般的阅读体验 */
    }

    /* 右侧 62% 图片/轮播区 */
    .hero-fs-visual {
        flex: 0 0 62%;
        position: relative;
    }

    /* 高级细节：在图片左侧加一层极窄的黑灰色渐变，让文字和图片的分割线不再生硬 */
    /*.hero-fs-visual::before {
        content: '';
        position: absolute;
        top: 0; left: 0; bottom: 0; width: 120px;
        background: linear-gradient(to right, var(--bg-color) 0%, transparent 100%);
        z-index: 2; 
        pointer-events: none;
    }

    /* 手机端适配：屏幕变小时自动改为上下结构 */
    @media (max-width: 1024px) {
        .hero-fullscreen {
            flex-direction: column;
            min-height: auto;
        }
        .hero-fs-text {
            flex: none;
            width: 100%;
            /* 手机端恢复常规边距 */
            padding: 60px 24px 40px 24px;
        }
        .hero-fs-visual {
            flex: none;
            width: 100%;
            height: 50vh; /* 手机端图片占半屏 */
            min-height: 400px;
        }
    }
/* ================= 放大全屏 Hero 文字区域，消除空旷感 ================= */
    
    /* 1. 放宽文字容器的限制，给大字体更多的排版空间 */
    .hero-fs-text-inner {
        width: 100%;
        max-width: 640px !important; /* 从 540px 提升到 640px */
    }

    /* 2. 主标题：史诗级超大字号，动态适配屏幕 */
    .hero-fs-text-inner h1 {
        font-size: clamp(42px, 4.5vw, 56px) !important; /* 最小 42px，大屏幕最大 56px */
        line-height: 1.15 !important;
        margin-bottom: 32px !important;
    }

    /* 3. 描述段落：提升字号，增加行高，提升阅读质感 */
    .hero-fs-text-inner p {
        font-size: 19px !important; /* 从 16px 提升到 19px */
        line-height: 1.6 !important;
        margin-bottom: 24px !important;
        color: #e2e8f0 !important; /* 稍微提亮一点文字，显得更通透 */
    }

    /* 4. 顶部的金句/眉题：放大并增加字间距 */
    .hero-fs-text-inner .eyebrow {
        font-size: 16px !important;
        letter-spacing: 2px !important;
        margin-bottom: 24px !important;
    }

/* ================= glowing step boxes flowchart (单行 + 隐私政策法务框同款) ================= */
.eval-flow-container {
        display: flex;
        justify-content: space-between;
        align-items: stretch; /* 让所有框的高度保持一致 */
        flex-wrap: nowrap; /* 🎯 强制在1行显示，绝不换行 */
        gap: 12px; /* 缩小元素间距，为文字留出空间 */
        margin-top: 48px;
        width: 100%;
    }

    /* 🎯 完美复刻 Contact Us 法务框样式 + 泛光浮起动效 */
    .eval-box {
        flex: 1; /* 🎯 让5个框等宽，自适应挤在1行里 */
        display: flex;
        justify-content: center;
        align-items: center;
        /* 下面这两行就是 Privacy Policy 里的原版背景和边框！ */
        background: rgba(6, 182, 212, 0.05); 
        border: 1px solid var(--accent-color); 
        border-radius: 8px;
        padding: 16px 10px; /* 适当减小左右内边距 */
        color: var(--text-main);
        font-weight: 500;
        font-size: 15px; /* 稍微调小一点字号防止文字拥挤 */
        text-align: center;
        line-height: 1.3;
        /* 基础泛光 */
        box-shadow: 0 0 15px rgba(6, 182, 212, 0.1); 
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .eval-box:hover {
        transform: translateY(-5px); /* 悬停浮起 */
        box-shadow: 0 0 25px rgba(6, 182, 212, 0.5); /* 泛光增强，极其吸睛 */
        background: rgba(6, 182, 212, 0.1); /* 悬停时背景稍微提亮 */
    }

    /* 居中的箭头样式 */
    .eval-arrow {
        flex: 0 0 auto; /* 箭头不参与拉伸 */
        display: flex;
        justify-content: center;
        align-items: center;
        color: var(--accent-color); /* 箭头使用青色 */
        opacity: 0.8;
    }
    
    .eval-arrow svg {
        width: 24px; /* 稍微缩小箭头以节省单行空间 */
        height: 24px;
        fill: currentColor;
    }

    /* 📱 手机端适配：屏幕太小时强行变回垂直排版 */
    @media (max-width: 1024px) {
        .eval-flow-container {
            flex-direction: column;
            gap: 16px;
        }
        .eval-box {
            width: 100%;
        }
        .eval-arrow {
            display: none; /* 手机端隐藏箭头，让框直接垂直排列 */
        }
    }

/* ================= 专属发光卡片 (用于 What We Support 等强调区块) ================= */
.card-glow {
        position: relative;
        display: flex;
        flex-direction: column;
        background: rgba(6, 182, 212, 0.05); /* 微透青色底 */
        border: 1px solid var(--accent-color); /* 亮青色边框 */
        border-radius: 8px;
        padding: 40px 32px;
        box-shadow: 0 0 15px rgba(6, 182, 212, 0.1); /* 基础泛光 */
        transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    }
    
    .card-glow:hover {
        transform: translateY(-5px); /* 悬停浮起 */
        box-shadow: 0 0 30px rgba(6, 182, 212, 0.5); /* 悬停泛光增强 */
        background: rgba(6, 182, 212, 0.1); /* 悬停背景微亮 */
    }


    html { scroll-behavior: smooth; }
    section[id], div[id^="architecture-"], div[id^="contact-"], div[id^="insights-"] { scroll-margin-top: 120px; }
    .hero-subtopics { font-size: 14px; color: var(--text-muted); margin: 0 0 18px 0; line-height: 1.6; }
    .hero-trust-line { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
    .hero-trust-line a { color: var(--accent-color); }
    .table-responsive { overflow-x: auto; border: 1px solid var(--border-color); border-radius: 8px; background: var(--accent-glass); }
    .table-responsive table { min-width: 780px; margin: 0; }
    .footer-note { font-size: 13px; line-height: 1.6; color: var(--text-muted); margin-top: 14px; }
    .small-note { font-size: 15px; color: var(--text-muted); }
    a:focus-visible, button:focus-visible, .dot:focus-visible {
        outline: 2px solid var(--accent-color);
        outline-offset: 3px;
    }

    @media (max-width: 1180px) {
        header { padding: 16px 20px; }
        nav { gap: 14px 18px; flex-wrap: wrap; justify-content: flex-start; }
        .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    }

    @media (max-width: 1024px) {
        header { flex-direction: column; align-items: stretch; gap: 14px; }
        .logo, .header-right { flex: none; }
        .header-right { justify-content: flex-start; }
        nav { justify-content: flex-start; flex-wrap: wrap; gap: 12px 16px; }
        .container { padding: 0 18px; }
        section { padding: 88px 0; }
        .grid-2, .grid-3, .grid-4, .grid-5, .footer-grid, .two-col-list, .work-list { grid-template-columns: 1fr !important; }
        .split-section, .hero { flex-direction: column; gap: 32px; }
        .hero-actions { flex-direction: column; align-items: stretch; }
        .hero-actions .btn { width: 100%; box-sizing: border-box; }
        .contact-strip { flex-direction: column; gap: 24px; padding: 32px 20px; }
        .footer-bottom { flex-direction: column; gap: 16px; align-items: flex-start; }
    }

    @media (max-width: 640px) {
        header { padding: 14px 16px; }
        nav a { font-size: 12px; }
        p { font-size: 16px; }
        h2 { font-size: 30px; }
        .hero-fs-text { padding: 48px 16px 28px 16px; }
        .hero-fs-visual { min-height: 280px; }
        .card, .card-glow { padding: 24px 20px; }
        .contact-strip { padding: 28px 16px; }
        .hero-trust-line { flex-direction: column; gap: 6px; }
        .table-responsive table { min-width: 640px; }
    }