:root{
      --primary:#0B3D91;
      --primary-dark:#072b68;
      --accent:#0891B2;
      --accent-soft:#e7f8fb;
      --ink:#18212f;
      --muted:#657084;
      --line:#dce4ee;
      --surface:#ffffff;
      --surface-soft:#f5f8fc;
      --shadow:0 18px 45px rgba(15,43,79,.12);
      --radius:18px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:Inter,Arial,"Helvetica Neue",sans-serif;
      line-height:1.6;
      overflow-x:hidden;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dcecff;
      background:#071d3d;
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .topbar-welcome{margin:0}
    .topbar-contact{display:flex;align-items:center;gap:22px}
    .topbar-contact 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 4px 18px rgba(19,43,74,.05);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--primary);
      font-size:18px;
      font-weight:800;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{
      max-width:190px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      padding:0 12px;
      display:flex;
      align-items:center;
      color:#26364c;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 8px;
      border-right:2px solid currentColor;
      border-bottom:2px solid currentColor;
      transform:rotate(45deg);
    }

    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      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{
      left:0;
      width:320px;
      padding:12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 15px 15px;
      box-shadow:var(--shadow);
    }
    .dropdown-panel>a{
      display:block;
      padding:10px 12px;
      color:#344257;
      border-radius:9px;
      font-size:14px;
    }
    .dropdown-panel>a:hover{color:var(--primary);background:var(--surface-soft)}
    .dropdown-panel .dropdown-all{
      margin-top:7px;
      color:var(--primary);
      font-weight:800;
      border-top:1px solid var(--line);
      border-radius:0;
    }

    .mega-menu{
      left:50%;
      width:min(920px,calc(100vw - 40px));
      transform:translate(-50%,10px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-inner{
      max-height:calc(100vh - 120px);
      padding:22px;
      overflow:auto;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:var(--shadow);
    }
    .mega-heading{
      margin-bottom:14px;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
    }
    .mega-heading strong{color:var(--primary);font-size:18px}
    .mega-heading span{color:var(--muted);font-size:13px}
    .mega-categories{
      margin-bottom:16px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .mega-categories a{
      padding:6px 11px;
      color:var(--primary);
      background:var(--accent-soft);
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:11px;
      display:flex;
      align-items:flex-start;
      gap:11px;
      border:1px solid var(--line);
      border-radius:13px;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#98c8d4;
      transform:translateY(-2px);
      box-shadow:0 10px 24px rgba(11,61,145,.1);
    }
    .mega-card>img{
      width:54px;
      height:54px;
      flex:0 0 54px;
      object-fit:cover;
      border-radius:10px;
      background:var(--surface-soft);
    }
    .mega-card-body{min-width:0;display:block}
    .mega-card-title{
      display:block;
      color:#1b2b40;
      font-size:14px;
      font-weight:800;
      line-height:1.35;
    }
    .mega-card-text{
      margin-top:4px;
      display:-webkit-box;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mega-card-meta{
      margin-top:5px;
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      color:var(--accent);
      font-size:11px;
      font-weight:700;
    }
    .mega-footer{
      margin-top:16px;
      padding:11px;
      display:block;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      text-align:center;
      font-size:14px;
      font-weight:800;
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .open-account{
      padding:10px 14px;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      font-size:13px;
      font-weight:800;
    }
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      width:21px;
      height:2px;
      background:var(--ink);
      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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(4,17,35,.58);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:100;
      width:min(390px,92vw);
      height:100vh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:.25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      background:var(--primary);
    }
    .drawer-head>a{font-size:13px;font-weight:800}
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.14);
      border:0;
      border-radius:10px;
      font-size:26px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      padding:14px 4px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:#24344a;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:800;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:.25s ease;
    }
    .drawer-submenu.open{
      max-height:620px;
      padding:7px 0;
      opacity:1;
    }
    .drawer-submenu a{
      padding:9px 14px;
      display:block;
      color:var(--muted);
      border-left:2px solid var(--accent-soft);
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);border-color:var(--accent)}

    .video-page{
      min-height:640px;
      background:var(--surface-soft);
    }
    .video-page .video-banner{
      position:relative;
      padding:72px 0 64px;
      overflow:hidden;
      color:#fff;
      background:
        radial-gradient(circle at 14% 24%,rgba(8,145,178,.55),transparent 28%),
        radial-gradient(circle at 84% 30%,rgba(35,109,205,.42),transparent 26%),
        linear-gradient(135deg,#061b39,#0B3D91 58%,#075f75);
    }
    .video-page .video-banner::before,
    .video-page .video-banner::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.13);
      border-radius:50%;
    }
    .video-page .video-banner::before{
      width:340px;
      height:340px;
      top:-180px;
      right:8%;
    }
    .video-page .video-banner::after{
      width:210px;
      height:210px;
      bottom:-140px;
      left:10%;
    }
    .video-page .banner-inner{position:relative;z-index:1;text-align:center}
    .video-page .eyebrow{
      margin-bottom:13px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#c9f7ff;
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .video-page .eyebrow::before{
      content:"";
      width:28px;
      height:2px;
      background:#70e5f8;
    }
    .video-page h1{
      max-width:850px;
      margin:0 auto;
      font-size:clamp(34px,6vw,64px);
      line-height:1.08;
      letter-spacing:-.035em;
    }
    .video-page .banner-description{
      max-width:720px;
      margin:20px auto 0;
      color:#dcecff;
      font-size:17px;
    }
    .video-page .banner-points{
      margin-top:25px;
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
    }
    .video-page .banner-points span{
      padding:8px 13px;
      color:#eafcff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      font-size:13px;
      backdrop-filter:blur(8px);
    }

    .video-page .category-strip{
      position:relative;
      z-index:3;
      margin-top:-25px;
    }
    .video-page .category-panel{
      padding:18px;
      display:flex;
      align-items:center;
      gap:15px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
    }
    .video-page .category-label{
      flex:0 0 auto;
      color:var(--ink);
      font-size:14px;
      font-weight:900;
    }
    .video-page .category-links{
      min-width:0;
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .video-page .category-links a{
      padding:8px 13px;
      color:#42516a;
      background:var(--surface-soft);
      border:1px solid #e4eaf1;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .video-page .category-links a:hover{
      color:#fff;
      background:var(--accent);
      border-color:var(--accent);
    }

    .video-page .video-section{padding:62px 0 82px}
    .video-page .section-head{
      margin-bottom:25px;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
    }
    .video-page .section-head h2{
      margin:0;
      color:var(--ink);
      font-size:clamp(25px,4vw,38px);
      line-height:1.2;
    }
    .video-page .section-head p{
      max-width:570px;
      margin:7px 0 0;
      color:var(--muted);
    }
    .video-page .section-count{
      flex:0 0 auto;
      padding:8px 12px;
      color:var(--primary);
      background:#eaf1fc;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .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:var(--radius);
      box-shadow:0 10px 28px rgba(20,50,85,.07);
      transition:.25s ease;
    }
    .video-page .video-card:hover{
      border-color:#a5d4de;
      transform:translateY(-6px);
      box-shadow:0 20px 42px rgba(11,61,145,.14);
    }
    .video-page .video-cover{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#0b2346;
    }
    .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(1.045)}
    .video-page .play-button{
      position:absolute;
      top:50%;
      left:50%;
      width:54px;
      height:54px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(8,145,178,.92);
      border:3px solid rgba(255,255,255,.7);
      border-radius:50%;
      box-shadow:0 10px 24px rgba(0,0,0,.25);
      transform:translate(-50%,-50%);
    }
    .video-page .play-button::before{
      content:"";
      margin-left:4px;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
    }
    .video-page .duration{
      position:absolute;
      right:10px;
      bottom:10px;
      padding:4px 8px;
      color:#fff;
      background:rgba(5,17,35,.82);
      border-radius:6px;
      font-size:12px;
      font-weight:800;
    }
    .video-page .video-card-body{padding:20px}
    .video-page .video-type{
      margin-bottom:9px;
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--accent);
      font-size:12px;
      font-weight:900;
      letter-spacing:.05em;
      text-transform:uppercase;
    }
    .video-page .video-type::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--accent);
      border-radius:50%;
      box-shadow:0 0 0 4px var(--accent-soft);
    }
    .video-page .video-card h3{
      margin:0;
      color:#18283e;
      font-size:19px;
      line-height:1.4;
    }
    .video-page .video-card h3 a:hover{color:var(--primary)}
    .video-page .video-summary{
      margin:10px 0 0;
      display:-webkit-box;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .video-page .watch-link{
      margin-top:17px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-size:14px;
      font-weight:900;
    }
    .video-page .watch-link::after{
      content:"→";
      transition:.2s ease;
    }
    .video-page .watch-link:hover::after{transform:translateX(4px)}

    .video-page .pagination{
      margin-top:42px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:center;
      gap:8px;
    }
    .video-page .pagination a{
      min-width:42px;
      height:42px;
      padding:0 13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#34445b;
      background:#fff;
      border:1px solid var(--line);
      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;
      background:var(--primary);
      border-color:var(--primary);
    }

    .video-page .learning-note{
      margin-top:60px;
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      color:#fff;
      background:linear-gradient(120deg,#071d3d,var(--primary));
      border-radius:22px;
      box-shadow:var(--shadow);
    }
    .video-page .learning-note h2{margin:0 0 7px;font-size:25px}
    .video-page .learning-note p{max-width:720px;margin:0;color:#dbe9ff}
    .video-page .learning-note a{
      flex:0 0 auto;
      padding:12px 18px;
      color:var(--primary-dark);
      background:#fff;
      border-radius:11px;
      font-size:14px;
      font-weight:900;
    }

    .footer{
      color:#c9d5e6;
      background:#06172f;
    }
    .footer-main{
      padding:58px 0 42px;
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:38px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:430px;
      margin:18px 0 0;
      color:#9fb0c7;
      font-size:14px;
    }
    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      gap:10px;
    }
    .footer-links a,.footer-contact a{color:#aebed2;font-size:14px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{margin-top:16px}
    .footer-bottom{
      min-height:64px;
      padding:15px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8498b3;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .video-page .video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:4px}
      .topbar-contact{flex-wrap:wrap;gap:5px 15px}
      .header-inner{min-height:68px;gap:12px}
      .logo img{width:38px;height:38px}
      .logo span{max-width:135px;font-size:15px}
      .header-btns>.open-account{display:none}
      .video-page .video-banner{padding:55px 0 56px}
      .video-page .banner-description{font-size:15px}
      .video-page .category-panel{align-items:flex-start;flex-direction:column}
      .video-page .video-section{padding:48px 0 64px}
      .video-page .section-head{align-items:flex-start;flex-direction:column;gap:12px}
      .video-page .video-grid{grid-template-columns:1fr}
      .video-page .learning-note{padding:24px;align-items:flex-start;flex-direction:column}
      .footer-main{grid-template-columns:1fr;gap:30px}
      .footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center}
    }

    @media (max-width:430px){
      .header-btns{gap:6px}
      .hamburger{width:39px;height:39px}
      .video-page .banner-points{align-items:center;flex-direction:column}
      .video-page .banner-points span{width:100%;text-align:center}
      .video-page .category-links{width:100%}
      .video-page .category-links a{width:100%;text-align:center}
    }