:root{
      --theme:#0B3D91;
      --theme-dark:#06265e;
      --cyan:#0891B2;
      --cyan-light:#ecfeff;
      --ink:#172033;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --soft:#f6f8fb;
      --danger:#dc2626;
      --radius:18px;
      --shadow:0 18px 48px rgba(15,35,75,.12);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--soft);
      font-family:Inter,Arial,Helvetica,sans-serif;
      line-height:1.65;
      overflow-wrap:anywhere;
    }
    body,button,input,textarea{font:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

    .topbar{
      color:#dbeafe;
      background:#071a38;
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .topbar-links{display:flex;align-items:center;gap:20px}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 22px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:190px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme);
      font-size:19px;
      font-weight:800;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:center;
      gap:3px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .nav-item{position:relative}
    .nav-link{
      min-height:78px;
      display:flex;
      align-items:center;
      padding:0 11px;
      color:#344054;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:#f4f7fc;
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-left:7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:0;
      z-index:60;
      visibility:hidden;
      opacity:0;
      transform:translateY(9px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:var(--shadow);
      transition:.2s ease;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-12px;
      height:12px;
    }
    .dropdown-panel{width:310px;padding:18px}
    .mega-menu{
      left:50%;
      width:min(680px,80vw);
      padding:20px;
      transform:translate(-50%,9px);
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel{transform:translateY(0)}
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .panel-title{
      padding-bottom:11px;
      margin-bottom:12px;
      color:var(--theme);
      border-bottom:1px solid var(--line);
      font-size:14px;
      font-weight:800;
      text-transform:uppercase;
      letter-spacing:.05em;
    }
    .panel-list{display:grid;gap:5px}
    .panel-list a{
      display:grid;
      gap:2px;
      padding:9px 10px;
      border-radius:9px;
      color:#344054;
      font-size:14px;
    }
    .panel-list a:hover{color:var(--theme);background:#f4f7fc}
    .panel-list small,.mega-card small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:500;
      line-height:1.45;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:22px;
    }
    .mega-card{
      display:flex;
      align-items:center;
      gap:11px;
      padding:9px;
      margin-bottom:5px;
      border-radius:10px;
    }
    .mega-card:hover{background:#f4f7fc}
    .mega-card img{
      width:42px;
      height:42px;
      flex:none;
      object-fit:contain;
      padding:4px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
    }
    .mega-card span{min-width:0}
    .mega-card strong{
      display:block;
      color:#1d2939;
      font-size:14px;
    }
    .mega-footer{
      display:block;
      margin-top:14px;
      padding:11px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      text-align:center;
      font-size:13px;
      font-weight:800;
    }
    .mega-footer:hover{background:var(--theme-dark)}

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-link{
      color:var(--theme);
      font-size:13px;
      font-weight:800;
    }
    .open-account{
      padding:10px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:13px;
      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;
    }
    .hamburger span{
      width:21px;
      height:2px;
      display:block;
      margin:3px auto;
      background:var(--ink);
      transition:.2s 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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(7,18,37,.6);
      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:100;
      width:min(390px,92vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-24px 0 60px rgba(7,18,37,.24);
      transform:translateX(105%);
      transition:.28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:16px 20px;
      color:#fff;
      background:var(--theme);
    }
    .drawer-head strong{margin-right:auto}
    .drawer-head a{
      padding:7px 10px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:8px;
      font-size:12px;
      font-weight:700;
    }
    .drawer-close{
      width:34px;
      height:34px;
      color:#fff;
      background:transparent;
      border:0;
      font-size:28px;
      line-height:1;
    }
    .drawer-menu{padding:16px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:13px 10px;
      color:#1d2939;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:800;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:19px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      background:#f8fafc;
      transition:max-height .3s ease;
    }
    .drawer-submenu.open{max-height:720px}
    .drawer-submenu a{
      display:block;
      padding:10px 16px;
      color:#475467;
      border-bottom:1px solid #edf0f4;
      font-size:13px;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .video-detail-main{min-width:0}
    .video-detail-main .video-hero{
      padding:38px 0 28px;
      color:#fff;
      background:
        radial-gradient(circle at 80% 0,rgba(8,145,178,.42),transparent 34%),
        linear-gradient(135deg,#061a39 0%,#0b3d91 58%,#07566d 100%);
    }
    .video-detail-main .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:20px;
      color:#bfdbfe;
      font-size:13px;
    }
    .video-detail-main .breadcrumbs a:hover{color:#fff}
    .video-detail-main .video-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 11px;
      margin-bottom:12px;
      color:#cffafe;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
      text-transform:uppercase;
    }
    .video-detail-main .video-kicker::before{
      content:"";
      width:8px;
      height:8px;
      background:#22d3ee;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(34,211,238,.15);
    }
    .video-detail-main .video-title{
      max-width:950px;
      margin:0;
      font-size:clamp(30px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.035em;
    }
    .video-detail-main .video-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 20px;
      margin-top:18px;
      color:#dbeafe;
      font-size:14px;
    }
    .video-detail-main .video-meta span{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .video-detail-main .video-meta span::before{
      content:"";
      width:6px;
      height:6px;
      background:#22d3ee;
      border-radius:50%;
    }

    .video-detail-main .video-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      padding:32px 0 64px;
      align-items:start;
    }
    .video-detail-main .video-primary{min-width:0}
    .video-detail-main .player-shell{
      position:relative;
      min-width:0;
      overflow:hidden;
      background:#020617;
      border:1px solid #14213c;
      border-radius:20px;
      box-shadow:0 24px 70px rgba(6,24,54,.2);
      aspect-ratio:16/9;
    }
    .video-detail-main .player-shell iframe,
    .video-detail-main .player-shell video,
    .video-detail-main .player-shell embed,
    .video-detail-main .player-shell object{
      width:100%!important;
      height:100%!important;
      display:block;
      border:0;
    }
    .video-detail-main .player-shell img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .video-detail-main .player-shell>*{max-width:100%}
    .video-detail-main .video-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px 2px 0;
    }
    .video-detail-main .source-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:13px;
      font-weight:800;
    }
    .video-detail-main .source-link:hover{background:var(--theme-dark)}
    .video-detail-main .video-tags{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      color:#475467;
      font-size:13px;
    }
    .video-detail-main .video-tags strong{color:#1d2939}

    .video-detail-main .content-card{
      min-width:0;
      max-width:100%;
      margin-top:24px;
      padding:28px;
      overflow-x:auto;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 34px rgba(16,24,40,.06);
    }
    .video-detail-main .content-card h2{
      margin:0 0 14px;
      color:#101828;
      font-size:25px;
      line-height:1.25;
    }
    .video-detail-main .video-summary{
      margin:0;
      color:#475467;
      font-size:16px;
    }
    .video-detail-main .video-body{
      min-width:0;
      max-width:100%;
      margin-top:25px;
      padding-top:24px;
      overflow-x:auto;
      border-top:1px solid var(--line);
      color:#344054;
    }
    .video-detail-main .video-body h2,
    .video-detail-main .video-body h3,
    .video-detail-main .video-body h4{color:#101828;line-height:1.3}
    .video-detail-main .video-body img,
    .video-detail-main .video-body video,
    .video-detail-main .video-body iframe,
    .video-detail-main .video-body table{
      max-width:100%!important;
    }
    .video-detail-main .video-body table{
      width:100%;
      border-collapse:collapse;
    }
    .video-detail-main .video-body th,
    .video-detail-main .video-body td{
      padding:10px;
      border:1px solid var(--line);
      text-align:left;
    }

    .video-detail-main .video-sidebar{
      position:sticky;
      top:22px;
      display:grid;
      gap:18px;
    }
    .video-detail-main .side-card{
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 34px rgba(16,24,40,.06);
    }
    .video-detail-main .side-card h2{
      margin:0 0 9px;
      font-size:20px;
      line-height:1.3;
    }
    .video-detail-main .side-card p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
    }
    .video-detail-main .category-button{
      display:flex;
      align-items:center;
      justify-content:center;
      padding:11px 14px;
      color:#fff;
      background:var(--cyan);
      border-radius:10px;
      font-size:13px;
      font-weight:800;
    }
    .video-detail-main .category-button:hover{background:#077892}
    .video-detail-main .risk-note{
      color:#7c2d12;
      background:#fff7ed;
      border-color:#fed7aa;
    }
    .video-detail-main .risk-note h2{color:#9a3412}
    .video-detail-main .risk-note p{color:#7c2d12;margin:0}

    .video-detail-main .related-section{
      padding:0 0 72px;
    }
    .video-detail-main .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .video-detail-main .section-heading span{
      color:var(--cyan);
      font-size:12px;
      font-weight:900;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .video-detail-main .section-heading h2{
      margin:3px 0 0;
      font-size:clamp(25px,3vw,36px);
      line-height:1.2;
    }
    .video-detail-main .section-heading a{
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .video-detail-main .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .video-detail-main .related-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:0 10px 28px rgba(16,24,40,.05);
      transition:.22s ease;
    }
    .video-detail-main .related-card:hover{
      transform:translateY(-4px);
      border-color:#b9d2f5;
      box-shadow:0 18px 38px rgba(11,61,145,.12);
    }
    .video-detail-main .related-cover{
      position:relative;
      overflow:hidden;
      background:#dbeafe;
      aspect-ratio:16/9;
    }
    .video-detail-main .related-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:.3s ease;
    }
    .video-detail-main .related-card:hover .related-cover img{transform:scale(1.04)}
    .video-detail-main .play-mark{
      position:absolute;
      inset:50% auto auto 50%;
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(11,61,145,.9);
      border:3px solid rgba(255,255,255,.75);
      border-radius:50%;
      transform:translate(-50%,-50%);
      font-size:16px;
    }
    .video-detail-main .duration{
      position:absolute;
      right:9px;
      bottom:9px;
      padding:4px 7px;
      color:#fff;
      background:rgba(3,7,18,.8);
      border-radius:6px;
      font-size:11px;
      font-weight:800;
    }
    .video-detail-main .related-info{padding:16px}
    .video-detail-main .related-info h3{
      margin:0 0 8px;
      color:#101828;
      font-size:16px;
      line-height:1.4;
    }
    .video-detail-main .related-info p{
      display:-webkit-box;
      margin:0;
      overflow:hidden;
      color:var(--muted);
      font-size:13px;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }

    .footer{
      color:#cbd5e1;
      background:#07162f;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .9fr .9fr 1fr;
      gap:48px;
      padding:58px 0 42px;
    }
    .footer-brand{
      margin-bottom:13px;
      color:#fff;
      font-size:23px;
      font-weight:900;
    }
    .footer p{
      max-width:410px;
      margin:0;
      color:#94a3b8;
      font-size:14px;
    }
    .footer h3{
      margin:0 0 15px;
      color:#fff;
      font-size:15px;
    }
    .footer-grid a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:8px 0;
      color:#aebbd0;
      font-size:14px;
    }
    .footer-grid a:hover{color:#fff}
    .footer-bottom{
      min-height:70px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#8492a8;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .video-detail-main .video-layout{grid-template-columns:minmax(0,1fr) 290px}
    }
    @media (max-width:860px){
      .video-detail-main .video-layout{grid-template-columns:1fr}
      .video-detail-main .video-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .video-detail-main .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{min-height:44px}
      .topbar-inner>span{display:none}
      .topbar-links{width:100%;justify-content:space-between;gap:10px}
      .header-inner{min-height:68px;gap:10px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:36px;height:36px}
      .member-link,.open-account{display:none}
      .video-detail-main .video-hero{padding:29px 0 24px}
      .video-detail-main .video-title{font-size:31px}
      .video-detail-main .video-layout{padding:20px 0 46px}
      .video-detail-main .player-shell{border-radius:13px}
      .video-detail-main .content-card{padding:20px}
      .video-detail-main .video-actions{align-items:stretch}
      .video-detail-main .source-link{width:100%}
      .video-detail-main .video-sidebar{grid-template-columns:1fr}
      .video-detail-main .related-grid{grid-template-columns:1fr}
      .video-detail-main .section-heading{align-items:start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr;gap:28px;padding:42px 0 30px}
      .footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center;padding:18px 0}
    }