:root{
      --primary:#0B3D91;
      --primary-dark:#082b67;
      --ink:#17233b;
      --muted:#667085;
      --line:#dfe6f1;
      --soft:#f5f8fc;
      --white:#fff;
      --shadow:0 18px 50px rgba(21,48,91,.12);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#092b63;color:#dbe8ff;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px;flex-wrap:wrap}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #edf1f7}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--primary);white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;height:76px;padding:0 13px;font-size:14px;font-weight:600;color:#283750}
    .nav-link:hover,.nav-link:focus-visible{color:var(--primary)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#8290a6}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 16px 16px;transition:.2s ease}
    .nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
    .dropdown-panel{width:290px;padding:16px}
    .dropdown-panel a{display:block;padding:10px 8px;border-bottom:1px solid #edf1f7;font-size:14px}
    .dropdown-panel a:last-child{border-bottom:0}
    .mega-menu{width:720px;padding:22px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{display:flex;gap:10px;padding:12px;border:1px solid #e5ebf4;border-radius:12px;background:#fbfdff}
    .mega-card img{width:42px;height:42px;object-fit:cover;border-radius:9px;background:#e8eef9}
    .mega-card strong{display:block;font-size:14px;color:var(--ink)}
    .mega-card small{display:block;color:var(--muted);font-size:12px}
    .mega-section-title{margin:0 0 12px;font-size:13px;color:var(--primary);font-weight:800}
    .mega-links{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line)}
    .mega-links a{font-size:13px;color:var(--primary)}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-btn{display:inline-flex;padding:10px 15px;border-radius:10px;background:var(--primary);color:#fff;font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:transparent;width:42px;height:42px;padding:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--primary);margin:5px 0;border-radius:2px;transition:.2s}
    .hamburger.active span:first-child{transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:last-child{transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(5,18,43,.48);opacity:0;visibility:hidden;z-index:60;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:70;transform:translateX(100%);transition:.28s ease;overflow:auto;box-shadow:-12px 0 40px rgba(8,36,80,.2)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);color:var(--primary);font-weight:800}
    .drawer-head a{margin-left:auto;background:var(--primary);color:#fff;padding:7px 12px;border-radius:8px;font-size:13px}
    .drawer-close{border:0;background:transparent;font-size:29px;color:#7c8798;cursor:pointer;line-height:1}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:14px 0;text-align:left;border:0;border-bottom:1px solid #edf1f7;background:transparent;font-weight:700;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .hero{padding:72px 0 78px;background:linear-gradient(145deg,#f5f8ff 0%,#eef5ff 52%,#f9fbff 100%);overflow:hidden}
    .hero-layout-39 .hero-heading{text-align:center;max-width:820px;margin:0 auto 38px}
    .eyebrow{display:inline-flex;padding:6px 12px;border-radius:999px;background:#dce9ff;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.04em}
    .hero h1{font-size:clamp(34px,5vw,64px);line-height:1.15;letter-spacing:-.04em;margin:17px 0 14px;color:#102b58}
    .hero-heading p{max-width:680px;margin:0 auto;color:#61718b;font-size:17px}
    .hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:11px;border:1px solid var(--primary);font-weight:700;font-size:14px;transition:.2s}
    .btn-primary{background:var(--primary);color:#fff}
    .btn-primary:hover{background:var(--primary-dark)}
    .btn-light{background:#fff;color:var(--primary)}
    .flip-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1080px;margin:auto}
    .flip-card{height:205px;perspective:1000px;cursor:pointer}
    .flip-card-inner{height:100%;position:relative;transition:transform .65s cubic-bezier(.2,.7,.2,1);transform-style:preserve-3d}
    .flip-card:hover .flip-card-inner,.flip-card:focus-within .flip-card-inner{transform:rotateY(180deg)}
    .flip-front,.flip-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius);box-shadow:0 16px 35px rgba(29,62,112,.13);padding:25px;display:flex;flex-direction:column;justify-content:space-between}
    .flip-front{background:#fff;border:1px solid rgba(11,61,145,.08)}
    .flip-back{transform:rotateY(180deg);background:var(--primary);color:#fff}
    .flip-card:nth-child(2) .flip-front{background:#fff2f3}
    .flip-card:nth-child(3) .flip-front{background:#fff9e9}
    .flip-card:nth-child(4) .flip-front{background:#eaf8f3}
    .flip-card:nth-child(5) .flip-front{background:#f0ecff}
    .flip-card:nth-child(6) .flip-front{background:#eaf5ff}
    .card-icon{width:42px;height:42px;border-radius:13px;background:#e8f0ff;color:var(--primary);display:grid;place-items:center;font-size:20px;font-weight:800}
    .flip-front h3,.flip-back h3{margin:12px 0 4px;font-size:19px}
    .flip-front p,.flip-back p{margin:0;color:#687991;font-size:14px}
    .flip-back p{color:#dce9ff}
    .flip-tip{font-size:12px;color:#8290a6}
    .flip-back .flip-tip{color:#bbd2fa}
    .section{padding:76px 0}
    .section-soft{background:var(--soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
    .section-head h2{margin:0;color:#142c54;font-size:30px;line-height:1.25}
    .section-head p{margin:7px 0 0;color:var(--muted)}
    .section-link{color:var(--primary);font-weight:700;font-size:14px;white-space:nowrap}
    .broker-grid,.tool-grid,.product-grid,.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(24,53,96,.05)}
    .info-card h3{margin:12px 0 6px;font-size:18px}
    .info-card p{margin:0;color:var(--muted);font-size:14px}
    .rating{color:#e19a20;font-weight:800;font-size:13px}
    .news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
    .news-card img{width:100%;height:150px;object-fit:cover;background:#e9eff8}
    .news-body{padding:18px}
    .news-body h3{margin:0 0 8px;font-size:17px}
    .news-body p{color:var(--muted);font-size:14px;margin:0 0 12px}
    .meta{font-size:12px;color:#8a96a8}
    .tool-icon{width:48px;height:48px;border-radius:12px;object-fit:cover;background:#eaf1ff}
    .product-card img{width:100%;height:160px;object-fit:cover;border-radius:12px;background:#edf2f9}
    .product-card{padding:14px}
    .product-card h3{margin:15px 4px 6px}
    .product-card p{margin:0 4px 12px}
    .video-card{overflow:hidden;padding:0}
    .video-card img{height:170px;width:100%;object-fit:cover;background:#1f355d}
    .video-card .video-body{padding:17px}
    .video-card h3{margin:0 0 6px;font-size:17px}
    .cta-band{padding:42px;border-radius:22px;background:linear-gradient(125deg,#0b3d91,#185dbf);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .cta-band h2{margin:0 0 6px;font-size:28px}
    .cta-band p{margin:0;color:#dce9ff}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-grid details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px 20px}
    .faq-grid summary{cursor:pointer;font-weight:700;color:#1c3155}
    .faq-grid p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .footer{background:#0b1c38;color:#c9d5e8;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:35px}
    .footer h3{color:#fff;font-size:16px;margin:0 0 15px}
    .footer p{margin:0;color:#aebdd3;font-size:14px}
    .footer a{display:block;color:#b8c8df;font-size:14px;margin:8px 0}
    .footer a:hover{color:#fff}
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:12px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;color:#91a4c0;font-size:13px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .flip-wall{grid-template-columns:repeat(2,1fr)}
      .broker-grid,.tool-grid,.product-grid,.video-grid,.news-list{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:620px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-links{gap:10px}
      .header-inner{min-height:66px}
      .member-btn{display:none}
      .hero{padding:52px 0 58px}
      .hero-heading p{font-size:15px}
      .flip-wall{grid-template-columns:1fr;gap:14px}
      .flip-card{height:190px}
      .section{padding:55px 0}
      .section-head{display:block}
      .section-link{display:inline-block;margin-top:12px}
      .broker-grid,.tool-grid,.product-grid,.video-grid,.news-list,.faq-grid{grid-template-columns:1fr}
      .cta-band{display:block;padding:28px}
      .cta-band .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }