:root{
      --theme:#0B3D91;
      --theme-dark:#072b67;
      --theme-light:#eaf1ff;
      --ink:#102033;
      --muted:#64748b;
      --line:#dbe3ef;
      --surface:#ffffff;
      --soft:#f4f7fb;
      --terminal:#07130e;
      --green:#34d399;
      --amber:#f59e0b;
      --shadow:0 18px 46px rgba(15,35,65,.12);
      --radius:18px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--soft);
      font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;
      line-height:1.65;
    }
    body.drawer-lock{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{color:inherit}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .skip-link{
      position:fixed;
      top:12px;
      left:12px;
      z-index:3000;
      padding:10px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      transform:translateY(-160%);
      transition:transform .2s ease;
    }
    .skip-link:focus{transform:translateY(0)}

    .topbar{
      color:#dce9ff;
      background:#061936;
      border-bottom:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:18px}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:1000;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(15,35,65,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
      font-weight:900;
      color:var(--theme);
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{white-space:nowrap}
    .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:stretch}
    .nav-link{
      display:flex;
      align-items:center;
      padding:0 12px;
      color:#27384d;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      border-bottom:3px solid transparent;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--theme);
      border-bottom-color:var(--theme);
    }
    .has-panel>.nav-link::after{
      content:"";
      width:6px;
      height:6px;
      margin-left:7px;
      border-right:2px solid currentColor;
      border-bottom:2px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:1200;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(8px);
      transition:opacity .18s ease,transform .18s ease,visibility .18s;
      color:var(--ink);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:var(--shadow);
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:8px;
    }
    .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{
      left:0;
      width:330px;
      padding:18px;
    }
    .dropdown-title,.mega-title{
      margin:0;
      font-weight:900;
      color:#12243c;
    }
    .dropdown-article{
      display:block;
      padding:10px 0;
      font-size:14px;
      border-bottom:1px solid var(--line);
    }
    .dropdown-article:hover{color:var(--theme)}
    .panel-entry{
      display:inline-flex;
      margin-top:14px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .mega-menu{
      left:50%;
      width:min(880px,calc(100vw - 40px));
      padding:22px;
      transform:translate(-50%,8px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .nav-item:nth-last-child(-n+3) .mega-menu{
      right:0;
      left:auto;
      transform:translateY(8px);
    }
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{transform:translateY(0)}
    .mega-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .mega-head a{color:var(--theme);font-size:14px;font-weight:800}
    .mega-head>span{color:var(--muted);font-size:13px}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:16px;
    }
    .mega-card{
      min-width:0;
      padding:14px;
      background:var(--soft);
      border:1px solid transparent;
      border-radius:13px;
      transition:background .18s ease,border-color .18s ease,transform .18s ease;
    }
    .mega-card:hover{
      background:#fff;
      border-color:#b9cbea;
      transform:translateY(-2px);
    }
    .mega-card p{
      display:-webkit-box;
      overflow:hidden;
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .broker-mini-head,.tool-mini-head{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .broker-mini-head img,.tool-mini-head img{
      width:34px;
      height:34px;
      flex:0 0 auto;
      object-fit:contain;
      border-radius:8px;
      background:#fff;
    }
    .mini-meta{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:4px 8px;
      margin-top:10px;
      color:var(--muted);
      font-size:11px;
    }
    .category-chips{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .category-chips a{
      padding:6px 11px;
      color:var(--theme);
      background:var(--theme-light);
      border-radius:999px;
      font-size:12px;
      font-weight:800;
    }
    .video-mini{
      display:flex;
      gap:11px;
    }
    .video-mini>img{
      width:86px;
      height:68px;
      flex:0 0 auto;
      object-fit:cover;
      border-radius:9px;
    }
    .video-mini>span{min-width:0}
    .video-mini strong{
      display:-webkit-box;
      overflow:hidden;
      font-size:13px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .duration{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:11px;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .header-btns>span a,
    .open-account{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:8px 14px;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
    }
    .header-btns>span a{
      color:var(--theme);
      border:1px solid #b8c9e5;
    }
    .open-account{color:#fff;background:var(--theme)}
    .open-account:hover{background:var(--theme-dark)}
    .hamburger{
      width:44px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      cursor:pointer;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--ink);
      transition:transform .2s ease,opacity .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:1800;
      visibility:hidden;
      opacity:0;
      background:rgba(3,12,27,.62);
      backdrop-filter:blur(3px);
      transition:opacity .22s ease,visibility .22s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:1900;
      width:min(390px,92vw);
      height:100dvh;
      overflow-y:auto;
      color:var(--ink);
      background:#fff;
      box-shadow:-20px 0 50px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      background:#071b3b;
      color:#fff;
    }
    .drawer-head>span{min-width:0;margin-right:auto}
    .drawer-head>span a,.drawer-head>a{
      display:inline-flex;
      padding:7px 10px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
      font-size:13px;
      font-weight:800;
    }
    .drawer-close{
      width:38px;
      height:38px;
      padding:0;
      cursor:pointer;
      color:#fff;
      background:transparent;
      border:0;
      font-size:30px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      text-align:left;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:800;
      cursor:pointer;
    }
    .drawer-toggle{justify-content:space-between;padding:0}
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:22px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:8px 0 10px 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;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .video-page{min-height:650px}
    .video-page .video-intro{
      position:relative;
      overflow:hidden;
      padding:72px 0 62px;
      color:#effff7;
      background:
        radial-gradient(circle at 16% 12%,rgba(52,211,153,.16),transparent 30%),
        radial-gradient(circle at 82% 24%,rgba(245,158,11,.13),transparent 26%),
        linear-gradient(145deg,#06100c,#071b14 56%,#08172c);
      border-bottom:1px solid rgba(52,211,153,.25);
    }
    .video-page .video-intro::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.26;
      background-image:
        linear-gradient(rgba(52,211,153,.12) 1px,transparent 1px),
        linear-gradient(90deg,rgba(52,211,153,.12) 1px,transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .video-page .intro-inner{position:relative;z-index:1;text-align:center}
    .video-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 16px;
      padding:7px 12px;
      color:var(--green);
      background:rgba(52,211,153,.08);
      border:1px solid rgba(52,211,153,.32);
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .video-page .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--green);
      border-radius:50%;
      box-shadow:0 0 14px var(--green);
    }
    .video-page h1{
      max-width:850px;
      margin:0 auto;
      color:#fff;
      font-size:clamp(35px,6vw,64px);
      line-height:1.12;
      letter-spacing:-.04em;
    }
    .video-page .intro-copy{
      max-width:750px;
      margin:20px auto 0;
      color:#b9ceca;
      font-size:17px;
    }
    .video-page .intro-status{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
      margin-top:25px;
    }
    .video-page .intro-status span{
      padding:8px 12px;
      color:#dcebe7;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.11);
      border-radius:8px;
      font-size:13px;
    }
    .video-page .intro-status b{color:var(--amber)}
    .video-page .video-content{padding:52px 0 78px}
    .video-page .category-panel{
      padding:24px;
      margin-bottom:34px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 10px 28px rgba(15,35,65,.06);
    }
    .video-page .panel-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:18px;
    }
    .video-page .panel-heading h2{
      margin:0;
      color:#10233c;
      font-size:25px;
    }
    .video-page .panel-heading p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .video-page .category-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .video-page .category-list a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:8px 14px;
      color:#26415f;
      background:var(--soft);
      border:1px solid var(--line);
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      transition:.18s ease;
    }
    .video-page .category-list a:hover{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
      transform:translateY(-2px);
    }
    .video-page .video-section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:22px;
    }
    .video-page .video-section-head h2{
      margin:0;
      color:#10233c;
      font-size:30px;
    }
    .video-page .video-section-head p{
      margin:4px 0 0;
      color:var(--muted);
    }
    .video-page .content-note{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      color:#8a5b00;
      background:#fff7df;
      border:1px solid #f7d68d;
      border-radius:8px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .video-page .content-note::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--amber);
      border-radius:50%;
    }
    .video-page .video-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:22px;
    }
    .video-page .video-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:0 10px 28px rgba(15,35,65,.07);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .video-page .video-card:hover{
      transform:translateY(-5px);
      border-color:#aec2e2;
      box-shadow:0 18px 38px rgba(15,35,65,.14);
    }
    .video-page .video-cover{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:#06130e;
    }
    .video-page .video-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .video-page .video-card:hover .video-cover img{transform:scale(1.045)}
    .video-page .video-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to top,rgba(2,10,20,.55),transparent 55%);
    }
    .video-page .play-mark{
      position:absolute;
      top:50%;
      left:50%;
      z-index:2;
      width:50px;
      height:50px;
      display:grid;
      place-items:center;
      color:#07130e;
      background:var(--green);
      border:3px solid rgba(255,255,255,.85);
      border-radius:50%;
      box-shadow:0 7px 22px rgba(0,0,0,.28);
      transform:translate(-50%,-50%);
    }
    .video-page .play-mark::before{
      content:"";
      margin-left:4px;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid currentColor;
    }
    .video-page .video-duration{
      position:absolute;
      right:10px;
      bottom:9px;
      z-index:2;
      padding:4px 8px;
      color:#fff;
      background:rgba(3,10,18,.82);
      border:1px solid rgba(255,255,255,.2);
      border-radius:6px;
      font-size:12px;
      font-weight:800;
    }
    .video-page .video-body{padding:18px}
    .video-page .video-type{
      display:inline-block;
      margin-bottom:8px;
      color:var(--theme);
      font-size:12px;
      font-weight:900;
      letter-spacing:.06em;
    }
    .video-page .video-card h3{
      display:-webkit-box;
      overflow:hidden;
      min-height:52px;
      margin:0;
      color:#10233c;
      font-size:18px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .video-page .video-summary{
      display:-webkit-box;
      overflow:hidden;
      min-height:68px;
      margin:10px 0 15px;
      color:var(--muted);
      font-size:14px;
      line-height:1.62;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .video-page .watch-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding-top:13px;
      color:var(--theme);
      border-top:1px solid var(--line);
      font-size:14px;
      font-weight:900;
    }
    .video-page .watch-link::after{content:"播放影片 →"}
    .video-page .pagination{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:8px;
      margin-top:38px;
    }
    .video-page .pagination a{
      min-width:42px;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:7px 12px;
      color:#31445d;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      font-weight:800;
    }
    .video-page .pagination a:hover,
    .video-page .pagination a.active,
    .video-page .pagination a.current{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }
    .video-page .learning-notice{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
      margin-top:48px;
    }
    .video-page .notice-card{
      padding:21px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
    }
    .video-page .notice-card strong{
      display:block;
      margin-bottom:6px;
      color:#10233c;
    }
    .video-page .notice-card p{margin:0;color:var(--muted);font-size:14px}

    .footer{color:#c6d2e3;background:#07172d}
    .footer-main{padding:58px 0 46px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr 1fr;
      gap:38px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:430px;
      margin:18px 0;
      color:#9eb0c7;
      font-size:14px;
    }
    .footer-social{color:#fff}
    .footer h3{
      margin:7px 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-contact a{color:#adbed2}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact p{margin:0 0 10px;color:#9eb0c7;font-size:14px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
    .footer-bottom-inner{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#879bb5;
      font-size:13px;
    }

    @media (max-width:1180px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .video-page .video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:820px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .topbar-inner{min-height:46px}
      .topbar-inner>div:first-child{display:none}
      .topbar-contact{width:100%;justify-content:space-between;gap:12px}
      .header-inner{min-height:70px}
      .header-btns>span,.open-account{display:none}
      .logo img{width:38px;height:38px}
      .video-page .video-intro{padding:56px 0 50px}
      .video-page .video-content{padding:38px 0 60px}
      .video-page .panel-heading,
      .video-page .video-section-head{display:block}
      .video-page .content-note{margin-top:14px}
      .video-page .learning-notice{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:600px){
      .topbar-contact{font-size:12px}
      .logo span{max-width:165px;overflow:hidden;text-overflow:ellipsis}
      .video-page .video-grid{grid-template-columns:1fr}
      .video-page .category-panel{padding:18px}
      .video-page .video-card h3{min-height:0}
      .video-page .video-summary{min-height:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom-inner{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:16px 0;
      }
    }
    @media (prefers-reduced-motion:reduce){
      *{scroll-behavior:auto!important;transition:none!important}
    }