:root{
      --theme:#0B3D91;
      --theme-dark:#06275f;
      --theme-soft:#eaf3ff;
      --ink:#10233f;
      --muted:#63738a;
      --line:#dce6f1;
      --surface:#fff;
      --background:#f4f8fc;
      --shadow:0 18px 48px rgba(13,49,94,.11);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--background);
      font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    body,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{
      color:#dceaff;
      background:#061a37;
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-links{display:flex;align-items:center;gap:22px}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:100;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 6px 24px rgba(22,52,88,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:180px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-size:18px;
      font-weight:800;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#263c58;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:#f4f8fe;
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 8px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:0;
      z-index:120;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(9px);
      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{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(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;
      color:#344963;
      border-radius:9px;
      font-size:14px;
    }
    .dropdown-panel a:hover{color:var(--theme);background:var(--theme-soft)}
    .mega-menu{
      left:50%;
      width:min(920px,calc(100vw - 48px));
      transform:translate(-50%,9px);
    }
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{
      transform:translate(-50%,0);
    }
    .mega-inner{
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 20px 20px;
      box-shadow:var(--shadow);
    }
    .mega-title{
      margin-bottom:14px;
      color:var(--theme-dark);
      font-size:16px;
      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:12px;
      padding:13px;
      border:1px solid #e2eaf3;
      border-radius:13px;
      background:#fbfdff;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#a9c7ed;
      background:#f1f7ff;
      transform:translateY(-2px);
    }
    .mega-card img{
      width:44px;
      height:44px;
      flex:0 0 44px;
      object-fit:contain;
      border-radius:9px;
      background:#fff;
    }
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mega-card strong{
      color:#183652;
      font-size:14px;
      white-space:nowrap;
    }
    .mega-card small{
      margin-top:2px;
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .video-play{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--theme),#3485d7);
      border-radius:50%;
    }
    .mega-footer{
      display:block;
      margin-top:17px;
      padding-top:15px;
      color:var(--theme);
      border-top:1px solid var(--line);
      text-align:right;
      font-size:14px;
      font-weight:800;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
    }
    .member-link,.open-account{
      padding:9px 13px;
      border-radius:9px;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
    }
    .member-link{color:var(--theme);background:var(--theme-soft)}
    .open-account{color:#fff;background:var(--theme)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      padding:10px;
      border:0;
      border-radius:9px;
      background:#edf4fd;
      cursor:pointer;
    }
    .hamburger span{
      width:100%;
      height:2px;
      display:block;
      margin:5px 0;
      background:var(--theme-dark);
      transition:.2s ease;
    }
    .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{
      position:fixed;
      inset:0;
      z-index:190;
      visibility:hidden;
      opacity:0;
      background:rgba(4,18,38,.55);
      backdrop-filter:blur(3px);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:200;
      width:min(390px,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(6,24,49,.18);
      transform:translateX(105%);
      transition:.28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 20px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }
    .drawer-head>span{margin-right:auto;font-weight:800}
    .drawer-head>a{
      padding:6px 12px;
      border:1px solid rgba(255,255,255,.5);
      border-radius:20px;
      font-size:13px;
    }
    .drawer-close{
      width:34px;
      height:34px;
      padding:0;
      color:#fff;
      border:0;
      background:transparent;
      font-size:28px;
      cursor:pointer;
    }
    .drawer-menu{padding:16px 20px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:13px 4px;
      color:#203852;
      border:0;
      border-bottom:1px solid var(--line);
      background:transparent;
      text-align:left;
      font-weight:800;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:8px 0 8px 14px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 5px;
      color:var(--muted);
      font-size:14px;
    }

    .video-page{min-height:700px}
    .video-page .video-masthead{
      position:relative;
      overflow:hidden;
      padding:76px 0 128px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 25%,rgba(85,164,255,.32),transparent 26%),
        radial-gradient(circle at 85% 30%,rgba(155,213,255,.2),transparent 25%),
        linear-gradient(145deg,#041630,#082d66 58%,#0B3D91);
    }
    .video-page .video-masthead::before,
    .video-page .video-masthead::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .video-page .video-masthead::before{
      width:400px;
      height:400px;
      top:-220px;
      left:-80px;
    }
    .video-page .video-masthead::after{
      width:520px;
      height:520px;
      right:-260px;
      bottom:-350px;
    }
    .video-page .crumbs{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:center;
      align-items:center;
      gap:9px;
      color:#bfd8f7;
      font-size:14px;
    }
    .video-page .crumbs a:hover{color:#fff}
    .video-page .masthead-content{
      position:relative;
      z-index:1;
      max-width:780px;
      margin:20px auto 0;
      text-align:center;
    }
    .video-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      padding:6px 13px;
      color:#d9ebff;
      border:1px solid rgba(255,255,255,.24);
      border-radius:30px;
      background:rgba(255,255,255,.08);
      font-size:13px;
      font-weight:800;
    }
    .video-page .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      background:#78c5ff;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(120,197,255,.15);
    }
    .video-page h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.16;
      letter-spacing:-1.5px;
    }
    .video-page .masthead-content p{
      max-width:690px;
      margin:18px auto 0;
      color:#c9daf0;
      font-size:17px;
    }
    .video-page .category-wrap{
      position:relative;
      z-index:5;
      margin-top:-66px;
    }
    .video-page .category-panel{
      padding:22px;
      background:rgba(255,255,255,.98);
      border:1px solid #dae6f2;
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .video-page .category-label{
      margin-bottom:13px;
      color:#29415c;
      font-size:14px;
      font-weight:800;
    }
    .video-page .category-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .video-page .category-list a{
      padding:8px 16px;
      color:#38536f;
      border:1px solid #d9e4ef;
      border-radius:30px;
      background:#f9fbfd;
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
    }
    .video-page .category-list a:hover{
      color:#fff;
      border-color:var(--theme);
      background:var(--theme);
      transform:translateY(-1px);
    }
    .video-page .video-content{padding:66px 0 84px}
    .video-page .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .video-page .section-kicker{
      margin-bottom:5px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:2px;
    }
    .video-page .section-head h2{
      margin:0;
      color:#112d4e;
      font-size:31px;
      line-height:1.25;
    }
    .video-page .section-head p{
      max-width:520px;
      margin:0;
      color:var(--muted);
      text-align:right;
      font-size:14px;
    }
    .video-page .video-list-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:24px;
    }
    .video-page .video-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid #dfe8f1;
      border-radius:18px;
      box-shadow:0 10px 30px rgba(22,56,92,.07);
      transition:.25s ease;
    }
    .video-page .video-card:hover{
      border-color:#a9c7ea;
      box-shadow:0 20px 44px rgba(14,56,108,.14);
      transform:translateY(-5px);
    }
    .video-page .video-cover{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:linear-gradient(135deg,#dcecff,#9fc4ef);
    }
    .video-page .video-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:.35s ease;
    }
    .video-page .video-card:hover .video-cover img{transform:scale(1.04)}
    .video-page .cover-shade{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(3,19,42,.72));
    }
    .video-page .play-button{
      position:absolute;
      top:50%;
      left:50%;
      width:56px;
      height:56px;
      display:grid;
      place-items:center;
      padding-left:4px;
      color:#fff;
      background:rgba(11,61,145,.9);
      border:4px solid rgba(255,255,255,.75);
      border-radius:50%;
      transform:translate(-50%,-50%);
      box-shadow:0 10px 26px rgba(0,0,0,.22);
    }
    .video-page .duration{
      position:absolute;
      right:12px;
      bottom:11px;
      padding:3px 8px;
      color:#fff;
      background:rgba(3,16,34,.82);
      border-radius:5px;
      font-size:12px;
      font-weight:800;
    }
    .video-page .video-card-body{padding:20px}
    .video-page .video-tag{
      display:inline-flex;
      margin-bottom:9px;
      padding:3px 9px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:20px;
      font-size:12px;
      font-weight:800;
    }
    .video-page .video-card h3{
      min-height:54px;
      margin:0;
      color:#153451;
      font-size:18px;
      line-height:1.5;
    }
    .video-page .video-summary{
      min-height:72px;
      margin:10px 0 15px;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .video-page .video-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding-top:14px;
      color:#718097;
      border-top:1px solid #e7edf4;
      font-size:12px;
    }
    .video-page .watch-link{
      color:var(--theme);
      font-weight:900;
    }
    .video-page .pagination{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:8px;
      margin-top:46px;
    }
    .video-page .pagination a{
      min-width:42px;
      height:42px;
      display:grid;
      place-items:center;
      padding:0 13px;
      color:#39526d;
      background:#fff;
      border:1px solid #d8e3ee;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
    }
    .video-page .pagination a:hover,
    .video-page .pagination a.active,
    .video-page .pagination a.current{
      color:#fff;
      border-color:var(--theme);
      background:var(--theme);
    }
    .video-page .video-note{
      margin-top:58px;
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
      border-radius:20px;
      box-shadow:0 20px 45px rgba(11,61,145,.2);
    }
    .video-page .video-note h2{margin:0 0 6px;font-size:24px}
    .video-page .video-note p{margin:0;color:#caddf5}
    .video-page .video-note a{
      flex:0 0 auto;
      padding:11px 18px;
      color:var(--theme-dark);
      background:#fff;
      border-radius:10px;
      font-weight:900;
    }

    .footer{
      padding:62px 0 0;
      color:#bbc9da;
      background:#06182f;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.7fr 1fr 1fr 1.1fr;
      gap:44px;
      padding-bottom:44px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:11px;
      margin-bottom:16px;
      color:#fff;
      font-size:20px;
      font-weight:900;
    }
    .footer-brand img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:9px;
      background:#fff;
    }
    .footer p{margin:10px 0;color:#93a7bf;font-size:14px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:16px}
    .footer-grid>div>a{
      display:block;
      margin:9px 0;
      color:#a9bad0;
      font-size:14px;
    }
    .footer-grid>div>a:hover{color:#fff}
    .footer-bottom{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      color:#8297b0;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{gap:14px}
      .header-btns{margin-left:auto}
      .video-page .video-list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:7px 0;align-items:flex-start}
      .topbar-links{align-items:flex-end;flex-direction:column;gap:1px}
      .header-inner{min-height:68px}
      .logo{min-width:0}
      .logo span{display:none}
      .member-link{display:none}
      .open-account{padding:8px 11px}
      .video-page .video-masthead{padding:58px 0 112px}
      .video-page .masthead-content p{font-size:15px}
      .video-page .category-panel{padding:17px}
      .video-page .video-content{padding:50px 0 66px}
      .video-page .section-head{align-items:flex-start;flex-direction:column;gap:8px}
      .video-page .section-head p{text-align:left}
      .video-page .video-list-grid{grid-template-columns:1fr}
      .video-page .video-card h3,.video-page .video-summary{min-height:0}
      .video-page .video-note{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{padding:18px 0;align-items:flex-start;flex-direction:column;gap:5px}
    }
    @media (max-width:480px){
      .topbar-links a:first-child{display:none}
      .video-page h1{font-size:34px}
      .video-page .category-list{gap:7px}
      .video-page .category-list a{padding:7px 12px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }