/* ── Reset ───────────────────────────────────────────── */
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:'Noto Sans SC',sans-serif;background:#030d1a;color:#d8eaf8;overflow-x:hidden;line-height:1.6}
    a{text-decoration:none;color:inherit}
    ul{list-style:none}
    img{max-width:100%;display:block}
    button{cursor:pointer;border:none;background:none;font-family:inherit}

    /* ── Scrollbar ───────────────────────────────────────── */
    ::-webkit-scrollbar{width:4px}
    ::-webkit-scrollbar-track{background:transparent}
    ::-webkit-scrollbar-thumb{background:rgba(34,211,238,0.2);border-radius:2px}

    /* ── Utility ─────────────────────────────────────────── */
    .container{max-width:1280px;margin:0 auto;padding:0 24px}
    .section{padding:96px 24px}
    .section-alt{background:rgba(5,15,28,0.5)}
    .section-header{margin-bottom:56px}
    .section-header h2{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;color:#eaf4ff;margin-bottom:8px}
    .section-header p{font-size:1rem;color:#4a7a9b;max-width:640px}
    .border-top{border-top:1px solid rgba(34,211,238,0.06)}

    /* ── Nav ─────────────────────────────────────────────── */
    .nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s;backdrop-filter:blur(12px)}
    .nav--scrolled{background:rgba(3,13,26,0.95);border-bottom:1px solid rgba(34,211,238,0.15)}
    .nav--top{background:rgba(3,13,26,0.6);border-bottom:1px solid transparent}
    .nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
    .nav-logo{display:flex;align-items:center;gap:12px}
    .nav-logo-icon{display:flex;align-items:center;justify-content:center}
    .nav-logo-icon svg{color:#fff;width:16px;height:16px}
    .nav-logo-name{font-weight:700;font-size:14px;color:#d8eaf8;letter-spacing:0.02em}
    .nav-logo-sub{margin-left:8px;font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#5a8aad}
    .nav-links{display:flex;align-items:center;gap:32px}
    .nav-links a{font-size:14px;color:#fff;transition:color .2s}
    .nav-links a:hover{color:#22d3ee}
    .nav-cta{padding:6px 16px;border-radius:6px;font-size:14px;font-weight:500;background:#22d3ee;color:#030d1a;transition:filter .2s}
    .nav-cta:hover{filter:brightness(1.1)}
    .nav-toggle{display:none;color:#22d3ee;font-size:22px}
    .nav-mobile{display:none;flex-direction:column;gap:14px;padding:0 24px 16px;border-top:1px solid rgba(34,211,238,0.06)}
    .nav-mobile a{font-size:14px;color:#fff;padding:4px 0}

    /* ── Hero ────────────────────────────────────────────── */
    .hero{position:relative;min-height:100vh;display:flex;flex-direction:column;padding-top:64px;overflow:hidden;background:linear-gradient(160deg,#030d1a 0%,#061628 50%,#030a14 100%)}
    .hero-grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(34,211,238,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,0.04) 1px,transparent 1px);background-size:60px 60px}
    .hero-glow-1{position:absolute;top:128px;left:25%;width:384px;height:384px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,rgba(34,211,238,0.07) 0%,transparent 70%)}
    .hero-glow-2{position:absolute;bottom:80px;right:33%;width:288px;height:288px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,rgba(251,191,36,0.05) 0%,transparent 70%)}
    .hero-bottom-fade{position:absolute;bottom:0;left:0;right:0;height:96px;pointer-events:none;background:linear-gradient(transparent,#030d1a)}
    .hero-content{position:relative;flex:1;display:flex;align-items:center;padding:80px 0}
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
    .hero-title{font-size:clamp(2.5rem,5vw,3.75rem);font-weight:700;line-height:1.15;color:#eaf4ff;letter-spacing:-0.02em;margin-bottom:16px}
    .hero-title span{color:#22d3ee}
    .hero-subtitle{font-size:1.125rem;color:#5a8aad;margin-bottom:16px;line-height:1.7}
    .hero-desc{font-size:14px;color:#4a7a9b;line-height:1.7;margin-bottom:32px;max-width:540px}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:6px;font-size:14px;font-weight:500;transition:all .2s}
    .btn:active{transform:scale(0.95)}
    .btn-primary{background:#22d3ee;color:#030d1a}
    .btn-primary:hover{filter:brightness(1.1)}
    .btn-outline{border:1px solid rgba(34,211,238,0.35);color:#22d3ee}
    .btn-outline:hover{background:rgba(34,211,238,0.08)}
    .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .hero-stat{padding:12px;border-radius:6px;background:rgba(7,24,41,0.8);border:1px solid rgba(34,211,238,0.12)}
    .hero-stat-val{font-size:1.5rem;font-weight:700;font-family:'Noto Sans SC',sans-serif;color:#22d3ee}
    .hero-stat-val .unit{font-size:14px;color:#5a8aad;margin-left:2px}
    .hero-stat-lbl{font-size:12px;color:#4a7a9b;margin-top:2px}

    /* ── Dashboard widget ────────────────────────────────── */
    .dash-widget{border-radius:8px;overflow:hidden;border:1px solid rgba(34,211,238,0.15);background:rgba(7,24,41,0.9);backdrop-filter:blur(10px)}
    .dash-chrome{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid rgba(34,211,238,0.1)}
    .dash-dots{display:flex;gap:5px}
    .dash-dot{width:10px;height:10px;border-radius:50%}
    .dash-dot--red{background:rgba(239,68,68,0.8)}.dash-dot--yellow{background:rgba(234,179,8,0.8)}.dash-dot--green{background:rgba(34,197,94,0.8)}
    .dash-title{font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#5a8aad;margin-left:8px}
    .dash-live{font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#22d3ee}
    .dash-body{padding:12px 16px;display:flex;flex-direction:column;gap:10px}
    .dash-chart-row{display:flex;flex-direction:column;gap:12px}
    .dash-chart-item{display:flex;flex-direction:column;gap:2px}
    .dash-chart-hdr{display:flex;justify-content:space-between;align-items:center}
    .dash-chart-lbl{font-size:11px;font-family:'Noto Sans SC',sans-serif;color:#5a8aad}
    .dash-chart-val{font-size:11px;font-weight:600;font-family:'Noto Sans SC',sans-serif}
    .dash-chart-canvas{width:100%;height:100%}
    .dash-chart-wrap{height:64px;overflow:hidden}
    .dash-alerts{margin-top:0}
    .dash-alerts-title{font-size:11px;font-family:'Noto Sans SC',sans-serif;color:#5a8aad;margin-bottom:6px}
    .dash-alert-row{display:grid;grid-template-columns:auto auto 1fr auto;gap:8px;align-items:center;border-radius:4px;padding:4px 8px;background:rgba(3,13,26,0.6);margin-bottom:4px}
    .dash-alert-lvl{font-size:10px;font-weight:600;font-family:'Noto Sans SC',sans-serif;padding:1px 5px;border-radius:3px;flex-shrink:0;white-space:nowrap}
    .dash-alert-host{font-size:11px;color:#8ab4cc;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .dash-alert-msg{font-size:11px;color:#4a7a9b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .dash-alert-time{font-size:10px;font-family:'Noto Sans SC',sans-serif;color:#2d5470;white-space:nowrap}

    /* ── Cards ───────────────────────────────────────────── */
    .card{background:rgba(7,24,41,0.6);border:1px solid rgba(34,211,238,0.12);border-radius:8px;padding:24px;transition:all .3s;position:relative;overflow:hidden}
    .card:hover{border-color:rgba(34,211,238,0.3);box-shadow:0 8px 32px rgba(0,0,0,0.3)}
    .card-glow{position:absolute;inset:0;opacity:0;transition:opacity .3s;pointer-events:none;background:radial-gradient(ellipse at top left,rgba(34,211,238,0.05) 0%,transparent 60%)}
    .card:hover .card-glow{opacity:1}
    .card-icon{width:40px;height:40px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(34,211,238,0.1);border:1px solid rgba(34,211,238,0.2)}
    .card-icon svg{width:18px;height:18px;color:#22d3ee}
    .card-num{position:absolute;top:16px;right:16px;font-size:3rem;font-weight:700;font-family:'Noto Sans SC',sans-serif;color:rgba(34,211,238,0.05);pointer-events:none;user-select:none}

    /* ── Grids ───────────────────────────────────────────── */
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

    /* ── Tab system ──────────────────────────────────────── */
    .tab-layout{display:flex;gap:24px}
    .tab-nav{display:flex;flex-direction:column;gap:8px;flex-shrink:0;width:176px}
    .tab-btn{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:6px;font-size:14px;color:#4a7a9b;border:1px solid transparent;transition:all .2s;text-align:left;white-space:nowrap}
    .tab-btn svg{width:14px;height:14px;flex-shrink:0}
    .tab-btn--active{background:rgba(34,211,238,0.12);color:#22d3ee;border-color:rgba(34,211,238,0.25)}
    .tab-btn:hover:not(.tab-btn--active){color:#8ab4cc;background:rgba(34,211,238,0.04)}
    .tab-content{flex:1;border-radius:8px;padding:32px;background:rgba(7,24,41,0.7);border:1px solid rgba(34,211,238,0.12)}
    .tab-content-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
    .tab-content-icon{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:rgba(34,211,238,0.1);border:1px solid rgba(34,211,238,0.2);flex-shrink:0}
    .tab-content-icon svg{width:16px;height:16px;color:#22d3ee}
    .tab-content h3{font-size:1.125rem;font-weight:600;color:#d8eaf8}
    .tab-content > p{font-size:14px;color:#4a7a9b;line-height:1.7;margin-bottom:24px}
    .tab-list{display:flex;flex-direction:column;gap:12px}
    .tab-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#8ab4cc}
    .tab-list li svg{flex-shrink:0;margin-top:3px;width:14px;height:14px;color:#22d3ee}
    .tab-extra{margin-top:24px;padding:16px;border-radius:6px;border:1px solid rgba(251,191,36,0.2);background:rgba(251,191,36,0.05);font-size:12px;color:#fbbf24}

    /* ── Deployment cards ────────────────────────────────── */
    .deploy-card{background:rgba(7,24,41,0.5);border:1px solid rgba(34,211,238,0.1);border-radius:8px;padding:24px;position:relative;overflow:hidden;transition:all .3s}
    .deploy-card:hover{box-shadow:0 12px 40px rgba(0,0,0,0.4)}
    .deploy-card--highlight{background:rgba(7,30,55,0.9);border-color:rgba(34,211,238,0.4);box-shadow:0 0 40px rgba(34,211,238,0.08)}
    .deploy-card--highlight::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,#22d3ee,transparent)}
    .deploy-tag{font-size:12px;font-family:'Noto Sans SC',sans-serif;padding:2px 8px;border-radius:20px;display:inline-block}
    .deploy-scale{font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#2d5470;margin-left:8px}

    /* ── Industry cards ──────────────────────────────────── */
    .industry-card{border-radius:8px;padding:20px;border:1px solid rgba(34,211,238,0.1);background:rgba(7,24,41,0.6);transition:all .3s}
    .industry-card:hover{border-color:rgba(34,211,238,0.3);box-shadow:0 4px 20px rgba(0,0,0,0.3)}
    .industry-card-icon{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
    .industry-card-icon svg{width:16px;height:16px}

    /* ── Delivery flow ───────────────────────────────────── */
    .flow-wrap{display:flex;flex-wrap:wrap;gap:0;align-items:flex-start}
    .flow-step{display:flex;align-items:flex-start}
    .flow-step-inner{display:flex;flex-direction:column;align-items:center;gap:4px}
    .flow-num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;font-family:'Noto Sans SC',sans-serif;background:rgba(34,211,238,0.12);color:#22d3ee;border:1px solid rgba(34,211,238,0.25)}
    .flow-label{font-size:12px;color:#5a8aad;text-align:center;max-width:70px}
    .flow-line{width:24px;height:1px;background:rgba(34,211,238,0.2);margin:0 4px;margin-top:14px}

    /* ── Footer ──────────────────────────────────────────── */
    .footer{border-top:1px solid rgba(34,211,238,0.1);background:rgba(3,8,18,0.8);padding:48px 24px}
    .footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-bottom:40px}
    .footer h4{font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#22d3ee;margin-bottom:12px;font-weight:600}
    .footer a,.footer li{font-size:12px;color:#2d5470;margin-bottom:8px;display:block;transition:color .2s}
    .footer a:hover{color:#22d3ee}
    .footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(34,211,238,0.06);font-size:12px;font-family:'Noto Sans SC',sans-serif;color:#2d5470}

    /* ── Gradients for chart fill ────────────────────────── */
    .gradient-cyan{background:linear-gradient(180deg,rgba(34,211,238,0.25) 0%,rgba(34,211,238,0) 100%)}
    .gradient-green{background:linear-gradient(180deg,rgba(52,211,153,0.25) 0%,rgba(52,211,153,0) 100%)}
    .gradient-yellow{background:linear-gradient(180deg,rgba(251,191,36,0.25) 0%,rgba(251,191,36,0) 100%)}

    /* ── Responsive ──────────────────────────────────────── */
    @media (max-width:1024px){
      .hero-grid{grid-template-columns:1fr;gap:48px}
      .tab-layout{flex-direction:column}
      .tab-nav{flex-direction:row;width:100%;overflow-x:auto;padding-bottom:4px}
      .tab-nav::-webkit-scrollbar{height:2px}
      .tab-btn{white-space:nowrap;flex-shrink:0}
      .grid-3{grid-template-columns:repeat(2,1fr)}
      .grid-4{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .nav-links,.nav-cta-wrap{display:none}
      .nav-toggle{display:block}
      .nav-mobile.open{display:flex}
      .hero-stats{grid-template-columns:repeat(2,1fr)}
      .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{flex-direction:column;gap:8px;text-align:center}
      .flow-wrap{justify-content:center}
      .hero-buttons{flex-direction:column}
    }
    @media (max-width:480px){
      .section{padding:64px 16px}
      .container{padding:0 16px}
      .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
      .dash-alert-host{display:none}
    }