:root{
      --theme:#0B3D91;
      --theme-dark:#06275f;
      --theme-deep:#031a3d;
      --theme-light:#eaf4ff;
      --ice:#f5faff;
      --silver:#d8e7f3;
      --ink:#10233f;
      --muted:#63758d;
      --white:#fff;
      --line:#dfe9f2;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#f7fbff;
      font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    body,a,button,input{font:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:110;
      color:#dceaff;
      background:var(--theme-deep);
      font-size:13px;
    }
    .topbar .container{
      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{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:100;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      box-shadow:0 7px 24px rgba(7,38,77,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:190px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme);
      font-size:19px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      justify-content:center;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }
    .nav-link{
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#263d59;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:#f4f9ff;
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:-4px 0 0 8px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      margin-top:3px;
      transform:rotate(225deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:120;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
    }
    .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;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:300px;
      padding:12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:var(--shadow);
    }
    .dropdown-panel a{
      display:block;
      padding:10px 12px;
      border-radius:9px;
      color:#40536b;
      font-size:14px;
    }
    .dropdown-panel a:hover{color:var(--theme);background:var(--theme-light)}
    .mega-menu{
      width:min(860px,calc(100vw - 40px));
      padding-top:0;
    }
    .mega-inner{
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 22px 22px;
      box-shadow:var(--shadow);
    }
    .mega-title{
      margin-bottom:14px;
      color:var(--theme-dark);
      font-size:15px;
      font-weight:800;
    }
    .broker-grid,.video-grid,.tool-grid,.product-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:flex;
      align-items:center;
      gap:11px;
      padding:13px;
      background:#f8fbff;
      border:1px solid #e3edf6;
      border-radius:13px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b7d2ed;
      box-shadow:0 9px 22px rgba(11,61,145,.1);
    }
    .mega-card img{
      flex:0 0 auto;
      width:42px;
      height:42px;
      object-fit:contain;
      background:#fff;
      border-radius:9px;
    }
    .mega-card span:not(.video-play){min-width:0}
    .mega-card strong{
      display:block;
      overflow:hidden;
      color:#183454;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      display:block;
      overflow:hidden;
      margin-top:3px;
      color:#718198;
      font-size:12px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .video-play{
      width:36px;
      height:36px;
      flex:0 0 36px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg,#176cd0,var(--theme));
      border-radius:50%;
      font-size:12px;
    }
    .tool-links a{transition:background .2s ease,border-color .2s ease}
    .tool-links a:hover{background:var(--theme-light);border-color:#9bbde0!important}
    .mega-footer{
      display:block;
      margin-top:17px;
      padding-top:14px;
      color:var(--theme);
      border-top:1px solid var(--line);
      font-weight:800;
      text-align:right;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-link{
      padding:9px 11px;
      color:var(--theme);
      font-size:14px;
      font-weight:700;
    }
    .open-account{
      padding:10px 17px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }
    .open-account:hover{background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      place-items:center;
      padding:9px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      cursor:pointer;
    }
    .hamburger span{
      width:21px;
      height:2px;
      display:block;
      margin:3px auto;
      background:var(--ink);
      transition:transform .25s ease,opacity .25s ease;
    }
    .hamburger.active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

    .drawer-overlay{
      position:fixed;
      inset:0;
      z-index:180;
      visibility:hidden;
      opacity:0;
      background:rgba(3,19,42,.55);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:190;
      width:min(390px,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(3,26,61,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }
    .drawer-head>span{margin-right:auto;font-weight:800}
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-close{
      width:36px;
      height:36px;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:0;
      border-radius:9px;
      font-size:25px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:13px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      color:#203b5b;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:800;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      padding:0 8px;
      background:#f7fbff;
      transition:max-height .3s ease,padding .3s ease;
    }
    .drawer-submenu.open{max-height:700px;padding:8px}
    .drawer-submenu a{
      display:block;
      padding:10px;
      color:#50657d;
      border-radius:8px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:#e9f3ff}

    .tag-index-page{min-height:640px}
    .tag-index-page .tag-hero{
      position:relative;
      overflow:hidden;
      padding:78px 0 68px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%,rgba(91,170,255,.26),transparent 28%),
        radial-gradient(circle at 88% 70%,rgba(193,226,255,.18),transparent 30%),
        linear-gradient(145deg,var(--theme-deep),var(--theme));
    }
    .tag-index-page .tag-hero::before,
    .tag-index-page .tag-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .tag-index-page .tag-hero::before{
      width:360px;
      height:360px;
      top:-210px;
      right:8%;
    }
    .tag-index-page .tag-hero::after{
      width:240px;
      height:240px;
      bottom:-170px;
      left:7%;
    }
    .tag-index-page .hero-inner{
      position:relative;
      z-index:1;
      max-width:820px;
      margin:0 auto;
      text-align:center;
    }
    .tag-index-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      padding:7px 14px;
      color:#d9ecff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.08em;
    }
    .tag-index-page .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      background:#8fd0ff;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(143,208,255,.14);
    }
    .tag-index-page h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .tag-index-page .hero-copy{
      max-width:690px;
      margin:20px auto 0;
      color:#d7e6f7;
      font-size:17px;
    }
    .tag-index-page .hero-path{
      display:flex;
      justify-content:center;
      gap:9px;
      margin-top:25px;
      color:#bfd7f0;
      font-size:14px;
    }
    .tag-index-page .hero-path a:hover{color:#fff}

    .tag-index-page .tag-section{padding:72px 0 86px}
    .tag-index-page .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .tag-index-page .section-heading h2{
      margin:0 0 6px;
      color:var(--theme-deep);
      font-size:30px;
      line-height:1.25;
    }
    .tag-index-page .section-heading p{
      max-width:680px;
      margin:0;
      color:var(--muted);
    }
    .tag-index-page .section-mark{
      flex:0 0 auto;
      padding:8px 13px;
      color:var(--theme);
      background:var(--theme-light);
      border:1px solid #cee1f3;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .tag-index-page .tag-cloud-shell{
      position:relative;
      padding:42px;
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .tag-index-page .tag-cloud-shell::before{
      content:"";
      position:absolute;
      inset:13px;
      pointer-events:none;
      border:1px dashed #d8e7f3;
      border-radius:20px;
    }
    .tag-index-page .tag-cloud{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      align-items:center;
      gap:14px;
    }
    .tag-index-page .tag-pill{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:48px;
      padding:11px 18px;
      color:#28496f;
      background:linear-gradient(180deg,#fff,#f5faff);
      border:1px solid #d6e5f2;
      border-radius:999px;
      font-weight:800;
      box-shadow:0 7px 18px rgba(11,61,145,.06);
      transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .tag-index-page .tag-pill::before{
      content:"#";
      color:#5b8fc8;
      font-weight:900;
    }
    .tag-index-page .tag-pill:hover{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
      transform:translateY(-3px);
      box-shadow:0 13px 28px rgba(11,61,145,.2);
    }
    .tag-index-page .tag-pill:hover::before{color:#bfe0ff}
    .tag-index-page .tag-count{
      min-width:28px;
      padding:2px 7px;
      color:#627993;
      background:#e9f2fb;
      border-radius:999px;
      font-size:12px;
      text-align:center;
    }
    .tag-index-page .tag-pill:hover .tag-count{
      color:#fff;
      background:rgba(255,255,255,.18);
    }
    .tag-index-page .discovery-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:34px;
    }
    .tag-index-page .discovery-card{
      padding:25px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:0 10px 28px rgba(11,61,145,.06);
    }
    .tag-index-page .discovery-icon{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      margin-bottom:17px;
      color:var(--theme);
      background:var(--theme-light);
      border-radius:13px;
      font-size:20px;
      font-weight:900;
    }
    .tag-index-page .discovery-card h3{
      margin:0 0 8px;
      color:#173655;
      font-size:18px;
    }
    .tag-index-page .discovery-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .tag-index-page .tag-cta{
      margin-top:34px;
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
      border-radius:22px;
      box-shadow:0 18px 38px rgba(11,61,145,.18);
    }
    .tag-index-page .tag-cta h2{margin:0 0 5px;font-size:24px}
    .tag-index-page .tag-cta p{margin:0;color:#d5e7f9}
    .tag-index-page .tag-cta-actions{
      flex:0 0 auto;
      display:flex;
      gap:10px;
    }
    .tag-index-page .tag-cta a{
      padding:11px 17px;
      border-radius:10px;
      font-weight:800;
      white-space:nowrap;
    }
    .tag-index-page .cta-primary{color:var(--theme)!important;background:#fff}
    .tag-index-page .cta-secondary{color:#fff;border:1px solid rgba(255,255,255,.4)}

    .footer{
      color:#c8d8e9;
      background:#061a34;
      border-top:4px solid var(--theme);
    }
    .footer .container{padding-top:54px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr .8fr .9fr 1fr;
      gap:42px;
      padding-bottom:42px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:11px;
      margin-bottom:16px;
      color:#fff;
      font-size:20px;
      font-weight:800;
    }
    .footer-brand img{
      width:43px;
      height:43px;
      object-fit:contain;
      border-radius:10px;
    }
    .footer p{margin:0 0 10px;color:#9fb2c8;font-size:14px}
    .footer h3{margin:0 0 17px;color:#fff;font-size:16px}
    .footer-grid>div>a{
      display:block;
      margin:0 0 10px;
      color:#adc0d4;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-grid>div>a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8fa5bc;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:grid}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{min-height:42px}
      .topbar-links a:first-child{display:none}
      .logo{min-width:0;font-size:16px}
      .logo img{width:38px;height:38px}
      .member-link{display:none}
      .open-account{padding:9px 13px}
      .tag-index-page .tag-hero{padding:58px 0 52px}
      .tag-index-page .hero-copy{font-size:15px}
      .tag-index-page .tag-section{padding:52px 0 64px}
      .tag-index-page .section-heading{display:block}
      .tag-index-page .section-mark{display:inline-flex;margin-top:14px}
      .tag-index-page .tag-cloud-shell{padding:30px 20px}
      .tag-index-page .tag-cloud{gap:10px}
      .tag-index-page .tag-pill{min-height:43px;padding:9px 13px;font-size:14px}
      .tag-index-page .discovery-grid{grid-template-columns:1fr}
      .tag-index-page .tag-cta{display:block;padding:25px}
      .tag-index-page .tag-cta-actions{margin-top:20px;flex-wrap:wrap}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{align-items:flex-start;flex-direction:column;padding:20px 0}
    }
    @media (max-width:430px){
      .topbar .container{justify-content:center}
      .topbar .container>span{display:none}
      .topbar-links a:last-child{display:block}
      .logo span{max-width:115px;overflow:hidden;text-overflow:ellipsis}
      .tag-index-page h1{font-size:34px}
      .tag-index-page .tag-cloud-shell{padding:25px 15px}
      .tag-index-page .tag-count{display:none}
    }