:root{
      --bg:#0a1c3a;
      --bg2:#0f2c54;
      --card:rgba(20,40,72,.62);
      --border:rgba(96,205,255,.22);
      --primary:#1ea8f0;
      --accent:#22d3ee;
      --text:#eaf4ff;
      --muted:#a9c2dd;
      --danger:#f59e0b;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
    a{color:var(--primary);text-decoration:none;transition:.2s}
    a:hover{color:var(--accent)}
    img{max-width:100%;height:auto;display:block}

    /* Background: 明亮蓝调 + 网格 + 上浮蓝色粒子 */
    body::before{content:"";position:fixed;inset:0;z-index:-3;background:
      radial-gradient(circle at 18% 22%,rgba(34,178,240,.20),transparent 38%),
      radial-gradient(circle at 82% 12%,rgba(34,211,238,.16),transparent 34%),
      radial-gradient(circle at 60% 85%,rgba(20,110,200,.18),transparent 42%),
      linear-gradient(180deg,#0c2148 0%,#0a1c3a 45%,#0f2c54 100%);
      pointer-events:none}
    body::after{content:"";position:fixed;inset:0;z-index:-2;background-image:
      linear-gradient(rgba(120,210,255,.06) 1px,transparent 1px),
      linear-gradient(90deg,rgba(120,210,255,.06) 1px,transparent 1px);
      background-size:64px 64px;pointer-events:none}
    /* 上浮蓝色粒子层（信息向上传递） */
    #bg-particles{position:fixed;inset:0;z-index:-1;pointer-events:none;width:100%;height:100%}

    .container{width:min(1200px,92%);margin:0 auto}
    .section{padding:96px 0}
    .section-title{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:16px;background:linear-gradient(90deg,#fff,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .section-sub{color:var(--muted);text-align:center;max-width:720px;margin:0 auto 56px;font-size:1.05rem}

    /* Header */
    header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,28,58,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
    nav{display:flex;align-items:center;justify-content:space-between;height:68px}
    .logo{display:flex;align-items:center;gap:12px;font-size:1.35rem;font-weight:700;letter-spacing:.5px;color:#fff}
    .logo span{color:var(--accent)}
    .nav-links{display:flex;gap:32px;list-style:none;font-size:.95rem}
    .nav-links a{color:var(--muted)}
    .nav-links a:hover{color:#fff}
    .cta-btn{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;padding:9px 22px;border-radius:6px;font-weight:600;font-size:.9rem;border:none;cursor:pointer}
    .cta-btn:hover{color:#fff;box-shadow:0 0 18px rgba(14,165,233,.35)}

    /* Hero */
    #hero{padding:170px 0 80px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
    .hero-tag{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:999px;color:var(--accent);font-size:.85rem;margin-bottom:20px;background:rgba(6,182,212,.08)}
    h1{font-size:3.1rem;font-weight:800;line-height:1.15;letter-spacing:-1px;margin-bottom:22px}
    .hero-sub{font-size:1.25rem;color:var(--muted);margin-bottom:34px;max-width:560px}
    .hero-btns{display:flex;gap:16px;flex-wrap:wrap}
    .btn-primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;padding:14px 30px;border-radius:8px;font-weight:600;font-size:1rem;border:none;cursor:pointer}
    .btn-primary:hover{box-shadow:0 0 24px rgba(14,165,233,.38);color:#fff}
    .btn-secondary{color:#fff;padding:14px 28px;border-radius:8px;font-weight:600;border:1px solid var(--border);background:rgba(15,23,42,.5)}
    .btn-secondary:hover{border-color:var(--primary);color:#fff}
    .hero-images{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .hero-img-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center;backdrop-filter:blur(8px)}
    .hero-img-card img{height:110px;object-fit:contain;margin:0 auto 12px}
    .hero-img-card:nth-child(1) img{transform:translateY(10%)}
    .hero-img-card:nth-child(3){grid-column:span 2}
    .hero-img-card p{font-size:1rem;color:var(--muted)}
    .hero-img-card h3{font-size:1.2rem;color:#ff8c42;margin-bottom:6px}

    /* Products */
    #products{padding:48px 0 24px}
    #products .section-sub{margin-bottom:20px}
    .product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
    .product-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:30px;transition:.3s;backdrop-filter:blur(10px);position:relative;overflow:hidden}
    .product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.7}
    .product-card:hover{transform:translateY(-6px);border-color:rgba(96,205,255,.5);box-shadow:0 20px 50px rgba(8,20,42,.55)}
    .product-card img{height:160px;object-fit:contain;margin:0 auto 22px;border-radius:10px;background:rgba(8,20,42,.4);padding:10px}
    .product-card h3{font-size:1.35rem;margin-bottom:8px}
    .product-model{display:inline-block;font-size:.82rem;color:var(--accent);border:1px solid var(--border);padding:3px 10px;border-radius:999px;margin-bottom:14px}
    .product-desc{color:var(--muted);font-size:.95rem;margin-bottom:18px;min-height:76px}
    .product-specs{font-size:.86rem;color:#cbd5e1;margin-bottom:18px}
    .product-specs li{margin-bottom:6px;list-style:none;position:relative;padding-left:16px}
    .product-specs li::before{content:"›";position:absolute;left:0;color:var(--accent)}
    .product-boundary{font-size:.8rem;color:var(--danger);border-left:3px solid var(--danger);padding-left:10px;background:rgba(245,158,11,.08);border-radius:0 6px 6px 0;padding:8px 10px}

    /* Advantages */
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .adv-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;transition:.25s}
    .adv-item:hover{border-color:rgba(56,189,248,.4)}
    .adv-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
    .adv-item h3{font-size:1.1rem;margin-bottom:8px}
    .adv-item p{color:var(--muted);font-size:.92rem}

    /* Architecture */
    .arch-wrap{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;backdrop-filter:blur(10px)}
    .arch-foot{text-align:center;color:#cbd5e1;font-size:1.05rem}
    .arch-foot strong{color:var(--accent)}
    .arch-diagram{display:flex;flex-direction:column;gap:0;margin-bottom:34px}
    .arch-tier{display:flex;align-items:stretch;gap:16px;padding:18px 22px;border-radius:16px;background:rgba(8,20,42,.5);border:1px solid var(--border)}
    .arch-tier+.arch-tier{margin-top:0}
    .arch-tier-title{width:110px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--accent);font-size:.95rem;text-align:center;border-right:1px solid var(--border);padding-right:16px}
    .arch-tier-items{flex:1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center}
    .arch-item{padding:12px 18px;border-radius:10px;background:rgba(30,168,240,.12);border:1px solid rgba(34,211,238,.25);color:#fff;font-size:.92rem;text-align:center;min-width:120px;line-height:1.5}
    .arch-item span{display:block;font-size:.78rem;color:var(--muted);margin-top:4px;line-height:1.4}
    .arch-connector{height:34px;display:flex;align-items:center;justify-content:center;position:relative}
    .arch-connector::before{content:"";width:2px;height:100%;background:linear-gradient(to bottom,var(--accent),var(--primary))}
    .arch-connector::after{content:"";position:absolute;bottom:2px;width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-top:9px solid var(--accent)}
    .arch-flow-label{position:absolute;z-index:1;background:rgba(10,28,58,.85);border:1px solid var(--border);border-radius:20px;padding:2px 10px;font-size:.72rem;color:var(--muted);backdrop-filter:blur(4px)}
    .arch-tier-apps .arch-item{background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.4)}
    .arch-tier-platforms .arch-item{background:rgba(30,168,240,.15);border-color:rgba(30,168,240,.35)}
    .arch-tier-gateways .arch-item{background:rgba(96,205,255,.12);border-color:rgba(96,205,255,.3)}
    .arch-tier-devices .arch-item{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.25)}

    /* Scenarios */
    .scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .scenario-card{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);min-height:180px;display:flex;align-items:flex-end}
    .scenario-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:.3s}
    .scenario-card:hover img{opacity:.75;transform:scale(1.05)}
    .scenario-card .overlay{position:relative;background:linear-gradient(0deg,rgba(10,28,58,.94),rgba(10,28,58,.32));width:100%;padding:20px}
    .scenario-card h3{font-size:1rem;margin-bottom:4px}
    .scenario-card p{font-size:.8rem;color:var(--muted)}

    /* Platforms */
    .platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .platform-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:26px;backdrop-filter:blur(8px)}
    .platform-card h3{font-size:1.1rem;margin-bottom:10px}
    .platform-card p{color:var(--muted);font-size:.9rem}

    /* Downloads */
    .dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .dl-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;text-align:center;transition:.2s}
    .dl-card:hover{border-color:var(--primary)}
    .dl-card h3{font-size:.95rem;margin-bottom:8px}
    .dl-card p{font-size:.8rem;color:var(--muted);margin-bottom:14px}

    /* About / Contact */
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .about-info h2{font-size:2rem;margin-bottom:18px;background:linear-gradient(90deg,#fff,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .about-info p{color:var(--muted);margin-bottom:16px}
    .contact-list{list-style:none;color:#cbd5e1;font-size:.95rem}
    .contact-list li{margin-bottom:10px}
    .contact-list strong{color:#fff;display:inline-block;width:70px}

    /* Footer */
    footer{border-top:1px solid var(--border);padding:40px 0;background:rgba(8,20,42,.66)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr 1fr;gap:28px;margin-bottom:30px}
    .footer-col{text-align:center}
    .footer-grid > .footer-col:first-child p{text-align:left;max-width:300px;margin:0 auto}
    .footer-col h4{font-size:1rem;margin-bottom:16px;color:#fff}
    .footer-col ul{list-style:none;padding:0}
    .footer-col li{margin-bottom:8px;font-size:.9rem}
    .footer-col a{color:var(--muted)}
    .footer-col a:hover{color:#fff}
    .copyright{text-align:center;color:var(--muted);font-size:.85rem;border-top:1px solid var(--border);padding-top:20px}

    /* Responsive */
    @media (max-width:960px){
      .hero-grid{grid-template-columns:1fr}
      .product-grid,.adv-grid,.arch-layers,.platform-grid,.dl-grid,.scenario-grid{grid-template-columns:repeat(2,1fr)}
      .arch-tier{flex-direction:column;gap:14px}
      .arch-tier-title{width:100%;border-right:none;border-bottom:1px solid var(--border);padding-right:0;padding-bottom:10px}
      .hero-images{grid-template-columns:1fr 1fr}
      .hero-img-card:nth-child(3){grid-column:span 2}
      .about-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:600px){
      h1{font-size:2.1rem}
      .section-title{font-size:1.7rem}
      .nav-links{display:none}
      .product-grid,.adv-grid,.arch-layers,.platform-grid,.dl-grid,.scenario-grid,.footer-grid{grid-template-columns:1fr}
      .hero-images{grid-template-columns:1fr}
      .hero-img-card:nth-child(3){grid-column:span 1}
    }
    /* ===== 动态效果 ===== */
    html.anim-ready .reveal{opacity:0;transform:translateY(34px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
    html.anim-ready .reveal.in{opacity:1;transform:none}
    html.anim-ready .reveal.d1{transition-delay:.08s}
    html.anim-ready .reveal.d2{transition-delay:.16s}
    html.anim-ready .reveal.d3{transition-delay:.24s}

    @keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
    html.anim-ready #hero .hero-tag{animation:fadeUp .7s ease both}
    html.anim-ready #hero h1{animation:fadeUp .7s .12s ease both}
    html.anim-ready #hero .hero-sub{animation:fadeUp .7s .24s ease both}
    html.anim-ready #hero .hero-btns{animation:fadeUp .7s .36s ease both}
    html.anim-ready #hero .hero-img-card:nth-child(1){animation:fadeUp .7s .30s ease both}
    html.anim-ready #hero .hero-img-card:nth-child(2){animation:fadeUp .7s .42s ease both}
    html.anim-ready #hero .hero-img-card:nth-child(3){animation:fadeUp .7s .54s ease both}

    /* 顶部滚动进度条 */
    #scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 12px rgba(14,165,233,.6);transition:width .1s linear}

    /* 背景流光球 */
    .orb{position:fixed;border-radius:50%;filter:blur(80px);opacity:.45;pointer-events:none;z-index:-1;animation:orbFloat 20s ease-in-out infinite}
    .orb.a{width:440px;height:440px;background:rgba(14,165,233,.40);top:6%;left:-140px}
    .orb.b{width:380px;height:380px;background:rgba(6,182,212,.32);top:52%;right:-120px;animation-delay:-7s}
    .orb.c{width:320px;height:320px;background:rgba(56,189,248,.22);top:28%;left:42%;animation-delay:-13s}
    @keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(46px,-34px) scale(1.12)}}

    .logo-img{height:34px;width:auto;display:block}

    /* ===== 三大网关深度解读（左侧滚动联动） ===== */
    #gateway-deep{padding:24px 0 96px}
    .gw-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:start}
    .gw-left{position:sticky;top:96px;align-self:start}
    .gw-stage{position:relative;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:34px 30px;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;backdrop-filter:blur(10px)}
    .gw-stage::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 30%,rgba(14,165,233,.12),transparent 60%);pointer-events:none}
    .gw-stage img{height:190px;object-fit:contain;margin-bottom:18px;transition:opacity .45s ease,transform .45s ease;border-radius:12px;background:rgba(8,20,42,.4);padding:10px}
    .gw-stage .gw-name{font-size:1.7rem;font-weight:700;background:linear-gradient(90deg,#fff,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center}
    .gw-stage .gw-model{display:inline-block;font-size:.85rem;color:var(--accent);border:1px solid var(--border);padding:4px 14px;border-radius:999px;margin:12px 0 8px}
    .gw-stage .gw-tag{color:var(--muted);font-size:.95rem;text-align:center;max-width:380px}
    .gw-dots{display:flex;gap:14px;justify-content:center;margin-top:24px}
    .gw-dots .dot{width:11px;height:11px;border-radius:50%;background:rgba(148,163,184,.35);transition:.3s;cursor:pointer}
    .gw-dots .dot.active{background:var(--accent);box-shadow:0 0 12px var(--accent);transform:scale(1.3)}
    .gw-right{display:flex;flex-direction:column;gap:28px}
    .gw-intro{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:34px;scroll-margin-top:96px;backdrop-filter:blur(8px);transition:border-color .3s}
    .gw-intro:hover{border-color:rgba(56,189,248,.4)}
    .gw-intro h3{font-size:1.5rem;margin-bottom:6px;background:linear-gradient(90deg,#fff,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .gw-intro .gw-sub{color:var(--accent);font-size:.9rem;margin-bottom:18px;letter-spacing:.5px}
    .gw-intro p{color:var(--muted);margin-bottom:14px}
    .gw-intro ul{list-style:none;margin:0 0 16px}
    .gw-intro li{position:relative;padding-left:18px;margin-bottom:9px;color:#cbd5e1;font-size:.94rem}
    .gw-intro li::before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:700}
    .gw-intro .gw-boundary{font-size:.85rem;color:var(--danger);border-left:3px solid var(--danger);padding:9px 12px;background:rgba(245,158,11,.08);border-radius:0 6px 6px 0}
    @media (max-width:960px){
      .gw-wrap{grid-template-columns:1fr}
      .gw-left{position:relative;top:0;margin-bottom:26px}
      .gw-stage{min-height:300px}
    }
  
/* ===== 产品子页专属样式 ===== */
.breadcrumb{padding:104px 0 0;font-size:.9rem;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{margin:0 8px;color:rgba(148,163,184,.5)}
.prod-hero{padding:36px 0 70px}
.prod-hero-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:56px;align-items:center}
.prod-hero-img{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:26px;text-align:center;backdrop-filter:blur(10px)}
.prod-hero-img img{height:260px;object-fit:contain}
.prod-hero h1{font-size:2.55rem;font-weight:800;line-height:1.2;margin-bottom:14px}
.prod-hero .prod-model{display:inline-block;font-size:.85rem;color:var(--accent);border:1px solid var(--border);padding:4px 14px;border-radius:999px;margin-bottom:18px}
.prod-hero .prod-tag{font-size:1.15rem;color:var(--muted);margin-bottom:22px}
.prod-hero ul{list-style:none;margin-bottom:26px}
.prod-hero li{position:relative;padding-left:24px;margin-bottom:11px;color:#cbd5e1;font-size:1rem}
.prod-hero li::before{content:"\2713";position:absolute;left:0;color:var(--accent);font-weight:700}
.prod-cta{display:flex;gap:14px;flex-wrap:wrap}
.prod-section{padding:80px 0}
.prod-section.alt{background:rgba(2,6,23,.4)}
.prod-h2{font-size:2rem;font-weight:700;margin-bottom:12px;background:linear-gradient(90deg,#fff,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.prod-h2-sub{color:var(--muted);margin-bottom:40px;max-width:780px}
.prod-overview p{color:var(--muted);margin-bottom:16px;font-size:1.02rem;line-height:1.8}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:26px;transition:.25s}
.feat-card:hover{border-color:rgba(56,189,248,.4);transform:translateY(-4px)}
.feat-card .fi{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px}
.feat-card h3{font-size:1.12rem;margin-bottom:8px}
.feat-card p{color:var(--muted);font-size:.92rem;line-height:1.6}
.spec-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(56,189,248,.1);font-size:.95rem;vertical-align:top}
.spec-table th{width:30%;color:#fff;background:rgba(14,165,233,.08);font-weight:600}
.spec-table td{color:#cbd5e1}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table tr:hover td{background:rgba(56,189,248,.04)}
.prod-scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prod-scenario{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);min-height:200px;display:flex;align-items:flex-end}
.prod-scenario img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:.3s}
.prod-scenario:hover img{opacity:.72;transform:scale(1.05)}
.prod-scenario .ov{position:relative;background:linear-gradient(0deg,rgba(2,6,23,.95),rgba(2,6,23,.25));width:100%;padding:18px}
.prod-scenario h3{font-size:1.05rem;margin-bottom:4px}
.prod-scenario p{font-size:.82rem;color:var(--muted)}
.boundary-box{background:rgba(245,158,11,.07);border:1px solid rgba(245,158,11,.35);border-left:4px solid var(--danger);border-radius:10px;padding:22px 26px}
.boundary-box h3{color:var(--danger);font-size:1.15rem;margin-bottom:10px}
.boundary-box p{color:#e2e8f0;font-size:.98rem;margin-bottom:8px;line-height:1.7}
.boundary-box p:last-child{margin-bottom:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--border);border-radius:16px;min-height:280px;display:flex;align-items:flex-end;justify-content:center;text-align:center;transition:.25s}
.related-card:hover{border-color:rgba(56,189,248,.45);transform:translateY(-4px)}
.related-card::before{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top,rgba(3,12,28,0.95) 0%,rgba(3,12,28,0.55) 55%,transparent 100%);z-index:2;pointer-events:none}
.related-card img{position:absolute;top:46%;left:50%;transform:translate(-50%,-50%);max-width:88%;max-height:70%;width:auto;height:auto;object-fit:contain;z-index:1}
.related-card .related-body{position:relative;z-index:3;width:100%;padding:18px 18px 22px}
.related-card .related-body h3{font-size:1.15rem;margin-bottom:6px;color:#fff}
.related-card .related-body p{color:#cbd5e1;font-size:.85rem;margin-bottom:12px;line-height:1.45}
.related-card .related-body a{color:var(--accent);font-size:.9rem}
.related-card.rc-ais-t100 img{max-height:58%;max-width:78%}
.related-card.rc-ais-g160 img{max-height:78%;max-width:70%;top:36%}
.related-card.rc-apm-g220 img{max-height:78%;max-width:70%;top:46%}
@media (max-width:960px){
  .prod-hero-grid,.feat-grid,.prod-scenario-grid,.related-grid{grid-template-columns:1fr}
  .prod-hero h1{font-size:2rem}
}
/* 多语言切换（简/繁/英） */
.lang-switch{position:relative;margin-left:6px}
.lang-switch .lang-btn{background:transparent;border:1px solid var(--border);color:var(--muted);padding:7px 12px;border-radius:8px;font-size:.85rem;cursor:pointer;display:flex;align-items:center;gap:4px;line-height:1;white-space:nowrap}
.lang-switch .lang-btn:hover{color:#fff;border-color:var(--primary)}
.lang-switch .lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:6px;min-width:130px;list-style:none;display:none;flex-direction:column;gap:2px;box-shadow:0 8px 24px rgba(0,0,0,.35);z-index:80}
.lang-switch:hover .lang-menu,.lang-switch:focus-within .lang-menu{display:flex}
.lang-switch .lang-menu a{display:block;padding:8px 12px;border-radius:6px;color:var(--muted);font-size:.88rem;white-space:nowrap}
.lang-switch .lang-menu a:hover{background:rgba(255,255,255,.06);color:#fff}
.lang-switch .lang-menu a.active{color:var(--primary);font-weight:600}
/* 应用场景卡片可点击跳转 */
.prod-scenario-link{display:block;color:inherit;text-decoration:none;outline:none}
.prod-scenario-link .prod-scenario{height:100%;transition:transform .25s,box-shadow .25s}
.prod-scenario-link:hover .prod-scenario{transform:translateY(-6px);box-shadow:0 14px 32px rgba(20,90,180,.20)}
.prod-scenario-link:hover .prod-scenario img{opacity:.35;transform:scale(1.06)}
.scenario-go{display:inline-block;margin-top:8px;font-size:14px;font-weight:700;color:#1b6ec2;letter-spacing:.3px;transition:transform .25s}
.prod-scenario-link:hover .scenario-go{transform:translateX(4px)}

/* Protocol brand/model tables on G160 product page: fixed layout, content-aware widths */
.spec-table.proto{table-layout:fixed}
.spec-table.proto th{width:auto}
.spec-table.proto td,.spec-table.proto th{overflow-wrap:anywhere;word-break:break-word;line-height:1.55}