:root{
      --primary:#0B3D91;
      --primary-dark:#082b67;
      --ice:#eef7ff;
      --line:#d8e7f3;
      --text:#14243a;
      --muted:#6b7d91;
      --white:#fff;
      --shadow:0 16px 40px rgba(11,61,145,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--text);background:#f6faff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{height:38px;background:#071b3c;color:#dcecff;font-size:13px}
    .topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}
    .topbar a{color:#dcecff;transition:color .2s}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 3px 18px rgba(7,39,88,.05)}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;min-width:180px;color:var(--primary);font-weight:800;font-size:19px;white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain;border-radius:10px}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:27px 14px;color:#273b55;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--primary)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;transition:.2s ease;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 16px 16px}
    .dropdown-panel{width:250px;padding:12px}
    .dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:13px;color:#314963}
    .dropdown-panel a:hover{background:var(--ice);color:var(--primary)}
    .mega-menu{width:760px;padding:0}
    .nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{visibility:visible;opacity:1;pointer-events:auto}
    .mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
    .mega-inner{padding:24px}
    .mega-title{margin-bottom:14px;font-size:15px;color:var(--primary);font-weight:800}
    .broker-grid,.video-grid,.tool-grid,.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
    .mega-card{display:flex;gap:10px;min-height:72px;padding:12px;border:1px solid #e4eef7;border-radius:11px;background:#fbfdff}
    .mega-card:hover{border-color:#a8c6e4;background:var(--ice)}
    .mega-card img{width:34px;height:34px;object-fit:contain;flex:none;border-radius:7px}
    .mega-card strong,.mega-card small{display:block}
    .mega-card strong{font-size:12px;color:#183451;margin-bottom:3px}
    .mega-card small{font-size:10px;color:var(--muted);line-height:1.55}
    .video-play{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:50%;background:var(--primary);color:white;font-size:12px}
    .mega-footer{display:block;margin-top:18px;padding-top:15px;border-top:1px solid var(--line);font-size:13px;color:var(--primary);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{font-size:13px;color:var(--primary)}
    .open-account{padding:9px 15px;background:var(--primary);color:#fff;border-radius:8px;font-size:13px;font-weight:700}
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--primary);margin:4px 0;transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

    .drawer-overlay{display:none;position:fixed;inset:0;background:rgba(3,20,45,.48);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,88vw);height:100vh;background:#fff;z-index:50;overflow:auto;transition:right .3s ease;box-shadow:-12px 0 30px rgba(0,0,0,.16)}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid var(--line);color:var(--primary);font-weight:700}
    .drawer-head>a{margin-left:auto;color:#fff;background:var(--primary);padding:6px 12px;border-radius:6px;font-size:12px}
    .drawer-close{border:0;background:none;font-size:28px;color:#65788c;cursor:pointer;line-height:1}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 2px;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:#263c56;font-size:15px}
    .drawer-toggle{cursor:pointer;position:relative}
    .drawer-toggle:after{content:"+";position:absolute;right:5px;color:var(--primary);font-size:19px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}

    .productlist-main{padding:54px 0 80px}
    .product-hero{text-align:center;padding:10px 0 38px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:1px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--primary)}
    .product-hero h1{margin:12px 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.2;color:#102f57}
    .product-hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:16px}
    .product-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 25px rgba(11,61,145,.05)}
    .category-tabs{display:flex;flex-wrap:wrap;gap:9px}
    .category-tabs a{padding:8px 15px;border:1px solid var(--line);border-radius:30px;color:#536b84;font-size:13px;background:#fff}
    .category-tabs a:hover,.category-tabs a.active{background:var(--primary);border-color:var(--primary);color:#fff}
    .toolbar-note{color:var(--muted);font-size:13px;white-space:nowrap}
    .product-grid-main{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .product-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 9px 25px rgba(10,52,105,.06);transition:transform .2s,box-shadow .2s}
    .product-card:hover{transform:translateY(-5px);box-shadow:0 18px 35px rgba(11,61,145,.14)}
    .product-cover{height:190px;padding:25px;background:linear-gradient(135deg,#edf7ff,#dcecff);display:flex;align-items:center;justify-content:center}
    .product-cover img{width:100%;height:100%;object-fit:contain}
    .product-body{display:flex;flex:1;flex-direction:column;padding:21px}
    .product-label{display:inline-block;width:max-content;max-width:100%;padding:4px 9px;border-radius:5px;background:#edf5ff;color:var(--primary);font-size:11px;margin-bottom:10px}
    .product-body h2{margin:0 0 9px;font-size:19px;line-height:1.4;color:#17395f}
    .product-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;min-height:77px;margin:0;color:#687d93;font-size:13px;line-height:1.65}
    .product-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:17px;padding-top:13px;border-top:1px solid #edf2f7;color:#8292a3;font-size:11px}
    .product-action{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
    .product-action a{color:var(--primary);font-size:13px;font-weight:700}
    .product-action a:after{content:" →";transition:margin .2s}
    .product-action a:hover:after{margin-left:4px}
    .product-price{color:#df7b2e;font-size:12px}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:42px;flex-wrap:wrap}
    .pagination a{min-width:36px;padding:7px 11px;text-align:center;border:1px solid var(--line);border-radius:7px;background:#fff;color:#536b84;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}

    .footer{background:#071b3c;color:#b8c9db;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
    .footer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:19px;font-weight:800;margin-bottom:17px}
    .footer-brand img{width:34px;height:34px;object-fit:contain;border-radius:8px}
    .footer p{margin:8px 0;color:#9eb2c8;font-size:13px;line-height:1.8}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-grid>div>a{display:block;margin:8px 0;color:#a9bdd1;font-size:13px}
    .footer-grid>div>a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:19px;color:#91a7bf;font-size:12px}

    @media (max-width:1050px){
      .header-inner{gap:15px}
      .logo{min-width:auto}
      .nav-link{padding-left:8px;padding-right:8px}
      .member-link{display:none}
    }
    @media (max-width:820px){
      .topbar{height:auto;padding:8px 0}
      .topbar .container{align-items:flex-start;gap:5px;flex-direction:column}
      .topbar-links{gap:14px}
      .header-inner{height:68px}
      .main-nav{display:none}
      .hamburger{display:block}
      .productlist-main{padding-top:35px}
      .product-toolbar{align-items:flex-start;flex-direction:column}
      .toolbar-note{white-space:normal}
      .product-grid-main{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
    }
    @media (max-width:560px){
      .container{width:min(100% - 28px,1180px)}
      .open-account{display:none}
      .product-hero h1{font-size:32px}
      .product-hero p{font-size:14px}
      .product-grid-main{grid-template-columns:1fr}
      .product-cover{height:180px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;gap:5px}
    }