:root{--primary:#0B3D91;--primary-dark:#082d6b;--ice:#eaf5ff;--silver:#f5f8fc;--ink:#10233f;--muted:#64748b;--line:#dbe7f2;--white:#fff;--shadow:0 18px 45px rgba(11,61,145,.11)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f7fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{height:38px;background:#071d3d;color:#dbeafe;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:#dbeafe}
    .header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 3px 16px rgba(9,48,96,.05)}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;color:var(--primary);font-size:19px;font-weight:800;white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}.nav-list{display:flex;justify-content:center;align-items:stretch;gap:3px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}.nav-link{display:flex;align-items:center;height:78px;padding:0 15px;color:#273b59;font-size:15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--primary)}
    .has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;transition:.2s;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px}
    .dropdown-panel{width:260px;padding:13px}.dropdown-panel a{display:block;padding:8px 12px;border-radius:8px;font-size:14px}.dropdown-panel a:hover{background:var(--ice);color:var(--primary)}
    .mega-menu{width:720px;padding:0}.mega-inner{padding:23px}.mega-title{font-size:16px;font-weight:800;color:var(--primary);margin-bottom:15px}
    .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:-16px;height:16px}
    .broker-grid,.video-grid,.tool-grid,.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:flex;gap:10px;align-items:flex-start;padding:11px;border:1px solid #e5eef7;border-radius:10px;transition:.2s}
    .mega-card:hover{border-color:#9fc2e8;background:#f7fbff}.mega-card img{width:35px;height:35px;object-fit:contain;border-radius:6px;flex:none}
    .mega-card strong,.mega-card small{display:block}.mega-card strong{font-size:13px;color:#19365e}.mega-card small{font-size:11px;color:var(--muted);line-height:1.5}.video-play{font-size:22px;color:var(--primary);width:30px;flex:none}
    .mega-footer{display:block;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);font-size:13px;font-weight:700;color:var(--primary)}
    .tool-links a{font-size:13px}
    .header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}.member-link{font-size:13px;color:var(--primary);font-weight:700}
    .open-account{padding:8px 16px;border-radius:7px;background:var(--primary);color:#fff;font-size:13px;font-weight:700}.open-account:hover{background:var(--primary-dark)}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;background:var(--primary);margin:5px 0;transition:.2s}
    .drawer-overlay{position:fixed;inset:0;background:rgba(3,19,42,.5);opacity:0;visibility:hidden;z-index:40;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.3s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:13px;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:5px 12px;border-radius:5px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:#52657d;font-size:28px;line-height:1;cursor:pointer}.drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:12px 0;border:0;border-bottom:1px solid #edf2f7;background:transparent;text-align:left;color:#243b5b;font-weight:600;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--primary)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:3px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:80px;background:#071d3d;color:#b9cce3;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px}.footer-brand img{width:36px;height:36px;object-fit:contain}.footer p{font-size:13px;line-height:1.8;margin:16px 0 0}.footer h3{color:#fff;font-size:15px;margin:3px 0 15px}.footer-grid a{display:block;margin:7px 0;color:#b9cce3;font-size:13px}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);margin-top:35px;padding-top:18px;font-size:12px;color:#91a8c5}
    .tools-page{padding:70px 0 20px}.tools-hero{text-align:center;max-width:760px;margin:0 auto 43px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:24px;height:2px;background:#7db3e9}.tools-hero h1{font-size:clamp(30px,5vw,48px);line-height:1.2;margin:17px 0 16px;color:#102a50}.tools-hero p{margin:0;color:var(--muted);font-size:16px}
    .tools-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 22px rgba(11,61,145,.05)}.tools-toolbar h2{margin:0;font-size:20px}.tool-filter{display:flex;gap:8px;flex-wrap:wrap}.tool-filter a{padding:6px 13px;border-radius:30px;background:var(--silver);color:#536782;font-size:13px}.tool-filter a.active,.tool-filter a:hover{background:#dcecff;color:var(--primary)}
    .tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-card{display:flex;flex-direction:column;min-height:245px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:0 8px 24px rgba(11,61,145,.05);transition:.25s}.tool-card:hover{transform:translateY(-5px);border-color:#9bc4ea;box-shadow:var(--shadow)}.tool-icon{width:58px;height:58px;border-radius:14px;background:#edf6ff;display:flex;align-items:center;justify-content:center;margin-bottom:18px}.tool-icon img{width:38px;height:38px;object-fit:contain}.tool-card h3{font-size:18px;margin:0 0 8px;color:#17375f}.tool-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 18px}.tool-card .tool-link{margin-top:auto;color:var(--primary);font-weight:700;font-size:14px}.tool-card .tool-link span{margin-left:6px;transition:.2s}.tool-card:hover .tool-link span{margin-left:12px}
    .tools-note{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}.note-card{padding:20px;background:linear-gradient(135deg,#eef7ff,#fff);border:1px solid #d8e9f8;border-radius:13px}.note-card strong{display:block;color:var(--primary);margin-bottom:5px}.note-card span{font-size:13px;color:var(--muted)}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}.pagination a{padding:7px 13px;background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--primary);font-size:13px}.pagination a.current,.pagination a:hover{background:var(--primary);color:#fff}
    @media(max-width:1050px){.header-inner{gap:15px}.nav-link{padding:0 9px}.member-link{display:none}}
    @media(max-width:800px){.topbar .container{font-size:12px}.topbar-links{gap:8px}.main-nav,.open-account{display:none}.header-inner{height:68px}.header-btns{margin-left:auto}.hamburger{display:block}.footer-grid{grid-template-columns:repeat(2,1fr)}.tools-grid{grid-template-columns:repeat(2,1fr)}.tools-toolbar{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.container{width:min(100% - 28px,1180px)}.topbar{height:auto;padding:7px 0}.topbar .container{align-items:flex-start;flex-direction:column;gap:2px}.tools-page{padding-top:44px}.tools-hero h1{font-size:32px}.tools-hero p{font-size:14px}.tools-grid,.tools-note,.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}.mega-menu{display:none}}