:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#667085;
      --paper:#f6f3ec;
      --line:#dfe4eb;
      --red:#c33b32;
      --white:#fff;
      --shadow:0 18px 45px rgba(23,32,51,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fbfcfe;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#101827;color:#dce5f2;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:22px}
    .topbar a{color:#dce5f2}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:190px;font-weight:800;font-size:18px;color:var(--theme)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 13px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:340px;padding:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu{width:min(850px,calc(100vw - 40px));padding:28px}
    .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}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;height:12px;top:-12px}
    .panel-title,.mega-section h3{margin:0 0 13px;font-size:15px}
    .dropdown-list,.mega-list{display:grid;gap:8px}
    .dropdown-list a,.mega-list>a{padding:8px 0;border-bottom:1px solid #edf0f4;font-size:13px}
    .dropdown-list a:hover,.mega-list>a:hover{color:var(--theme)}
    .mega-columns{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:28px}
    .mega-section p{margin:0 0 20px;color:var(--muted);font-size:13px}
    .broker-mega-card,.video-mega-card,.product-mega-card{display:flex!important;align-items:center;gap:10px}
    .broker-mega-card img,.video-mega-card img,.product-mega-card img{width:32px;height:32px;object-fit:contain;border-radius:4px}
    .video-mega-card img{width:50px;height:32px;object-fit:cover}
    .mega-meta{display:block;color:#8a94a5;font-size:11px;font-weight:400}
    .mega-footer{display:inline-block;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link,.account-link{font-size:13px;padding:8px 12px}
    .member-link{color:var(--theme)}
    .account-link{background:var(--theme);color:#fff;border-radius:3px}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
    .hamburger span{display:block;width:24px;height:2px;margin:5px 0;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{display:none}
    .mobile-drawer{display:none}

    .download-page-main{background:var(--paper);padding-bottom:90px}
    .download-hero{padding:72px 0 58px;text-align:center;border-bottom:1px solid #e5dfd3}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-size:12px;font-weight:800;letter-spacing:2px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--red)}
    .download-hero h1{max-width:760px;margin:15px auto 13px;font-family:Georgia,"Songti SC",serif;font-size:clamp(34px,5vw,62px);line-height:1.14;letter-spacing:0;color:#18243a}
    .download-hero p{max-width:650px;margin:0 auto;color:#657084;font-size:16px}
    .download-actions{display:flex;justify-content:center;gap:12px;margin-top:27px}
    .primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 21px;border-radius:3px;font-size:14px;font-weight:700}
    .primary-button{background:var(--theme);color:#fff}
    .secondary-button{border:1px solid #bcc7d6;color:var(--theme);background:#fff}
    .download-shell{padding-top:45px}
    .download-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:26px;align-items:start}
    .download-panel{background:#fff;border:1px solid var(--line);box-shadow:0 8px 25px rgba(23,32,51,.04)}
    .panel-head{padding:23px 26px 17px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:end;gap:15px}
    .panel-head h2{font-family:Georgia,"Songti SC",serif;font-size:25px;line-height:1.3;margin:0}
    .panel-head p{margin:0;color:var(--muted);font-size:12px}
    .download-list{padding:8px 26px 24px}
    .download-item{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:16px;align-items:center;padding:22px 0;border-bottom:1px solid #edf0f4}
    .download-item:last-child{border-bottom:0}
    .download-icon{width:46px;height:46px;display:grid;place-items:center;background:#eaf0fa;color:var(--theme);font-size:21px;font-weight:800;border-radius:5px}
    .download-item h3{margin:0 0 4px;font-size:17px}
    .download-item p{margin:0;color:var(--muted);font-size:13px}
    .download-meta{margin-top:4px;color:#8b94a2;font-size:11px}
    .download-button{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border:1px solid var(--theme);border-radius:3px;color:var(--theme);font-size:13px;font-weight:700;white-space:nowrap}
    .download-button:after{content:"↓";font-size:17px}
    .download-button:hover{background:var(--theme);color:#fff}
    .download-note{padding:20px 22px;background:#fff8f0;border-left:3px solid var(--red);font-size:13px;color:#6c5d53}
    .download-note strong{display:block;color:#a4342c;margin-bottom:4px}
    .quick-entry{padding:25px 25px 22px;background:var(--theme);color:#fff}
    .quick-entry h2{margin:0 0 7px;font-family:Georgia,"Songti SC",serif;font-size:25px}
    .quick-entry p{margin:0 0 20px;color:#dce8f8;font-size:13px}
    .quick-entry a{display:inline-flex;padding:10px 16px;background:#fff;color:var(--theme);border-radius:3px;font-size:13px;font-weight:700}
    .resource-list{padding:22px 25px}
    .resource-list h3{margin:0 0 13px;font-size:16px}
    .resource-list ul{list-style:none;margin:0;padding:0}
    .resource-list li{border-top:1px solid #edf0f4;padding:11px 0;font-size:13px}
    .resource-list li:before{content:"/";color:var(--red);font-weight:800;margin-right:8px}
    .faq-section{padding-top:58px}
    .section-heading{text-align:center;margin-bottom:25px}
    .section-heading h2{margin:0 0 5px;font-family:Georgia,"Songti SC",serif;font-size:30px}
    .section-heading p{margin:0;color:var(--muted);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px 18px}
    .faq-item{background:#fff;border:1px solid var(--line);padding:20px 22px}
    .faq-item h3{margin:0 0 7px;font-size:15px}
    .faq-item p{margin:0;color:var(--muted);font-size:13px}
    .footer{background:#111a29;color:#dbe4f1}
    .footer-main{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:42px;padding:48px 0 42px}
    .footer h2,.footer h3{margin:0 0 14px;color:#fff}
    .footer h2{font-family:Georgia,"Songti SC",serif;font-size:22px}
    .footer h3{font-size:14px}
    .footer p{margin:0;color:#aebbcf;font-size:13px;max-width:280px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:7px}
    .footer-links a,.footer-links li{color:#aebbcf;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid #2c3749;padding:17px 0 20px;display:flex;justify-content:space-between;gap:20px;color:#8e9caf;font-size:12px}

    @media(max-width:980px){
      .main-nav{display:none}
      .header-inner{justify-content:space-between}
      .hamburger{display:block}
      .mobile-drawer{display:block;position:fixed;z-index:50;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s;overflow:auto}
      .mobile-drawer.open{transform:translateX(0);box-shadow:-18px 0 40px rgba(0,0,0,.16)}
      .drawer-overlay{display:block;position:fixed;z-index:40;inset:0;background:rgba(10,18,31,.48);opacity:0;visibility:hidden;transition:.25s}
      .drawer-overlay.open{opacity:1;visibility:visible}
      .drawer-head{height:76px;padding:0 20px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);font-weight:700;color:var(--theme)}
      .drawer-head a{margin-left:auto;background:var(--theme);color:#fff;padding:7px 12px;border-radius:3px;font-size:13px}
      .drawer-close{border:0;background:transparent;color:#697586;font-size:28px;line-height:1;cursor:pointer}
      .drawer-menu{padding:10px 20px 35px}
      .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf0f4;background:transparent;text-align:left;color:var(--ink);font-size:15px;cursor:pointer}
      .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
      .drawer-toggle.active:after{content:"−"}
      .drawer-submenu{display:none;padding:6px 0 7px 15px;border-bottom:1px solid #edf0f4}
      .drawer-submenu.open{display:grid}
      .drawer-submenu a{padding:7px 0;color:var(--muted);font-size:13px}
      .download-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:600px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:7px 0;align-items:flex-start;flex-direction:column;gap:0}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .header-inner{height:66px;gap:8px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:30px;height:30px}
      .member-link{display:none}
      .account-link{font-size:12px;padding:7px 9px}
      .download-hero{padding:48px 0 40px}
      .download-hero h1{font-size:38px}
      .download-hero p{font-size:14px;text-align:left}
      .download-actions{flex-direction:column}
      .download-actions a{width:100%}
      .panel-head{display:block;padding:20px}
      .panel-head p{margin-top:5px}
      .download-list{padding:4px 20px 15px}
      .download-item{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:18px 0}
      .download-icon{width:40px;height:40px;font-size:18px}
      .download-item h3{font-size:15px}
      .download-item p{font-size:12px}
      .download-button{grid-column:2;justify-self:start;margin-top:4px}
      .quick-entry,.resource-list{padding-left:20px;padding-right:20px}
      .faq-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr 1fr;gap:28px 18px;padding:38px 0}
      .footer-main section:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:5px}
    }