:root{--primary:#0B3D91;--primary-dark:#072b67;--primary-soft:#eaf1fc;--ink:#142033;--muted:#617087;--line:#dce4ef;--surface:#fff;--soft:#f4f7fb;--success:#15803d;--shadow:0 18px 48px rgba(19,42,76,.12);--radius:18px}
    *{box-sizing:border-box}
    html{scroll-behaviour:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.6}
    body.drawer-locked{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .topbar{background:var(--primary-dark);color:#eaf2ff;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;align-items:center;gap:20px}
    .topbar a:hover{text-decoration:underline}
    .header{position:relative;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 18px rgba(25,43,70,.04)}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:24px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:0;font-weight:800;color:var(--primary);font-size:19px}
    .logo img{width:40px;height:40px;object-fit:contain}
    .logo span{white-space:nowrap}
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{height:100%;display:flex;align-items:stretch;gap:2px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative;display:flex;align-items:center}
    .nav-link{height:100%;display:flex;align-items:center;padding:0 11px;font-size:14px;font-weight:700;color:#27364c}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-panel>.nav-link::after{content:"";width:6px;height:6px;margin-left:7px;border-right:1.5px solid;border-bottom:1.5px solid;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease;background:#fff;border:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:var(--shadow)}
    .has-panel:hover>.dropdown-panel,.has-panel:hover>.mega-menu,.has-panel:focus-within>.dropdown-panel,.has-panel:focus-within>.mega-menu{visibility:visible;opacity:1;pointer-events:auto;transform:none}
    .dropdown-panel::before,.mega-menu::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:12px}
    .dropdown-panel{left:0;width:330px;padding:20px}
    .dropdown-title,.mega-title{margin:0 0 10px;font-weight:800;color:var(--primary)}
    .dropdown-list{display:grid;gap:4px}
    .dropdown-list a{padding:9px 10px;border-radius:8px;color:#39485e;font-size:14px}
    .dropdown-list a:hover{background:var(--primary-soft);color:var(--primary)}
    .dropdown-footer{display:flex;justify-content:space-between;gap:15px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
    .dropdown-footer a,.text-link{color:var(--primary);font-weight:800}
    .mega-menu{right:-280px;width:min(940px,calc(100vw - 48px));padding:22px}
    .mega-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:16px}
    .mega-top p{margin:0;color:var(--muted);font-size:14px}
    .mega-top .mega-title{color:var(--ink);font-size:18px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .mega-card{min-width:0;padding:13px;border:1px solid var(--line);border-radius:13px;background:#fff;transition:.2s}
    .mega-card:hover{border-color:#9db6df;box-shadow:0 8px 20px rgba(11,61,145,.1);transform:translateY(-2px)}
    .mega-card>img{width:42px;height:42px;margin-bottom:9px;object-fit:contain;border-radius:8px}
    .mega-card.video-card>img,.mega-card.product-card>img{width:100%;height:86px;object-fit:cover}
    .mega-card strong{display:block;overflow:hidden;color:#26364d;font-size:14px;text-overflow:ellipsis;white-space:nowrap}
    .mega-card p{display:-webkit-box;overflow:hidden;margin:5px 0 0;color:var(--muted);font-size:12px;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .mega-meta{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:7px;color:#6d7889;font-size:11px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 15px}
    .mega-categories a{padding:6px 11px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 17px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.2s}
    .btn-primary{background:var(--primary);color:#fff}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .hamburger{display:none;width:44px;height:44px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
    .hamburger span{display:block;width:22px;height:2px;margin:5px auto;background:var(--ink);transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;z-index:90;visibility:hidden;background:rgba(7,20,39,.55);opacity:0;transition:.25s}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;top:0;right:0;z-index:100;width:min(400px,90vw);height:100dvh;overflow-y:auto;background:#fff;box-shadow:-20px 0 50px rgba(0,0,0,.2);transform:translateX(105%);transition:.28s ease}
    .mobile-drawer.open{transform:none}
    .drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:10px;padding:16px;background:#fff;border-bottom:1px solid var(--line)}
    .drawer-head>a{color:var(--primary);font-weight:800}
    .drawer-close{margin-left:auto;width:40px;height:40px;border:0;border-radius:50%;background:var(--soft);color:var(--ink);font-size:28px;cursor:pointer}
    .drawer-menu{padding:10px 18px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 5px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-weight:800;text-align:left;cursor:pointer}
    .drawer-toggle::after{content:"+";color:var(--primary);font-size:20px}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{display:none;padding:7px 0 10px 15px}
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{padding:9px 8px;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--primary)}
    .target-page-main{min-width:0}
    .download-page-main .download-hero{position:relative;overflow:hidden;padding:82px 0 76px;background:linear-gradient(145deg,#071e48 0%,#0B3D91 58%,#2462bd 100%);color:#fff;text-align:center}
    .download-page-main .download-hero::before,.download-page-main .download-hero::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.15)}
    .download-page-main .download-hero::before{width:420px;height:420px;top:-260px;left:-110px}
    .download-page-main .download-hero::after{width:540px;height:540px;right:-260px;bottom:-390px}
    .download-page-main .hero-inner{position:relative;z-index:1;max-width:850px}
    .download-page-main .eyebrow{display:inline-flex;padding:7px 13px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.09);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .download-page-main h1{max-width:820px;margin:18px auto 14px;font-size:clamp(38px,6vw,66px);line-height:1.06;letter-spacing:-.04em}
    .download-page-main .hero-copy{max-width:690px;margin:0 auto;color:#dbe8fb;font-size:18px}
    .download-page-main .hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}
    .download-page-main .hero-actions .btn{min-height:50px;padding:12px 22px}
    .download-page-main .btn-light{background:#fff;color:var(--primary)}
    .download-page-main .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
    .download-page-main .hero-note{margin:18px 0 0;color:#c8daf5;font-size:13px}
    .download-page-main .trust-strip{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);margin:-30px auto 0;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
    .download-page-main .trust-item{padding:20px;text-align:center}
    .download-page-main .trust-item+ .trust-item{border-left:1px solid var(--line)}
    .download-page-main .trust-item strong{display:block;color:var(--primary)}
    .download-page-main .trust-item span{color:var(--muted);font-size:13px}
    .download-page-main .section{padding:82px 0}
    .download-page-main .section-soft{background:var(--soft)}
    .download-page-main .section-head{max-width:720px;margin:0 auto 38px;text-align:center}
    .download-page-main .section-kicker{margin:0 0 8px;color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
    .download-page-main h2{margin:0 0 12px;font-size:clamp(29px,4vw,42px);line-height:1.15;letter-spacing:-.025em}
    .download-page-main .section-head>p:last-child{margin:0;color:var(--muted)}
    .download-page-main .platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
    .download-page-main .platform-card{display:flex;min-width:0;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(23,45,75,.06)}
    .download-page-main .platform-icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:20px;border-radius:15px;background:var(--primary-soft);color:var(--primary);font-size:23px;font-weight:900}
    .download-page-main .platform-card h3{margin:0 0 7px;font-size:21px}
    .download-page-main .platform-card p{margin:0 0 18px;color:var(--muted)}
    .download-page-main .feature-list{display:grid;gap:9px;margin:0 0 24px;padding:0;list-style:none}
    .download-page-main .feature-list li{position:relative;padding-left:22px;color:#3f4e63;font-size:14px}
    .download-page-main .feature-list li::before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:900}
    .download-page-main .platform-card .btn{margin-top:auto}
    .download-page-main .product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
    .download-page-main .product-download-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(23,45,75,.06)}
    .download-page-main .product-download-card>img{width:100%;height:190px;object-fit:cover;background:#e9eef6}
    .download-page-main .product-download-body{display:flex;min-width:0;min-height:260px;flex-direction:column;padding:22px}
    .download-page-main .product-download-body h3{margin:0 0 8px;font-size:20px}
    .download-page-main .product-download-body p{display:-webkit-box;overflow:hidden;margin:0 0 18px;color:var(--muted);-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .download-page-main .product-meta{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);color:#778397;font-size:12px}
    .download-page-main .product-download-body .text-link{display:inline-flex;margin-top:16px}
    .download-page-main .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:download-step}
    .download-page-main .step{position:relative;padding:25px 21px;border:1px solid var(--line);border-radius:16px;background:#fff;counter-increment:download-step}
    .download-page-main .step::before{content:counter(download-step);width:40px;height:40px;display:grid;place-items:center;margin-bottom:18px;border-radius:50%;background:var(--primary);color:#fff;font-weight:900}
    .download-page-main .step h3{margin:0 0 8px;font-size:18px}
    .download-page-main .step p{margin:0;color:var(--muted);font-size:14px}
    .download-page-main .security-box{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;padding:38px;border-radius:24px;background:linear-gradient(135deg,#071f4b,#0B3D91);color:#fff}
    .download-page-main .security-box h2{margin-bottom:12px}
    .download-page-main .security-box p{margin:0;color:#d7e5fa}
    .download-page-main .security-points{display:grid;gap:12px}
    .download-page-main .security-point{padding:15px 17px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.08)}
    .download-page-main .security-point strong{display:block}
    .download-page-main .security-point span{color:#d7e5fa;font-size:13px}
    .download-page-main .faq-list{max-width:850px;margin:auto;display:grid;gap:12px}
    .download-page-main details{padding:19px 22px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .download-page-main summary{display:flex;align-items:center;justify-content:space-between;gap:20px;color:#223149;font-weight:800;cursor:pointer;list-style:none}
    .download-page-main summary::-webkit-details-marker{display:none}
    .download-page-main summary::after{content:"+";color:var(--primary);font-size:24px}
    .download-page-main details[open] summary::after{content:"−"}
    .download-page-main details p{margin:12px 0 0;padding-top:12px;border-top:1px solid var(--line);color:var(--muted)}
    .download-page-main .final-cta{padding:72px 0;text-align:center}
    .download-page-main .cta-panel{padding:50px 25px;border-radius:24px;background:var(--primary-soft)}
    .download-page-main .cta-panel p{max-width:650px;margin:0 auto 24px;color:var(--muted)}
    .footer{background:#07182f;color:#c4cede}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-top:60px;padding-bottom:45px}
    .footer .logo{color:#fff}
    .footer-brand p{max-width:390px;margin:16px 0 0;color:#9eabc0;font-size:14px}
    .footer h3{margin:4px 0 16px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{color:#aebace;font-size:14px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{margin-top:8px}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:20px;padding-bottom:20px;border-top:1px solid rgba(255,255,255,.12);color:#8997ad;font-size:12px}
    @media (max-width:1080px){
      .main-nav{display:none}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .download-page-main .platform-grid,.download-page-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .download-page-main .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{min-height:44px;align-items:flex-start;flex-direction:column;justify-content:center;gap:1px;padding:6px 0}
      .topbar-links{width:100%;justify-content:space-between;gap:8px}
      .header-btns>.btn{display:none}
      .logo span{max-width:150px;overflow:hidden;text-overflow:ellipsis}
      .download-page-main .download-hero{padding:62px 0 64px}
      .download-page-main .hero-copy{font-size:16px}
      .download-page-main .hero-actions{align-items:stretch;flex-direction:column}
      .download-page-main .trust-strip{grid-template-columns:1fr;margin-top:-22px}
      .download-page-main .trust-item+ .trust-item{border-top:1px solid var(--line);border-left:0}
      .download-page-main .section{padding:62px 0}
      .download-page-main .platform-grid,.download-page-main .product-grid,.download-page-main .steps{grid-template-columns:1fr}
      .download-page-main .security-box{grid-template-columns:1fr;padding:27px 21px}
      .download-page-main .product-download-card>img{height:180px}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-top:45px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }