:root {
      --primary: #0B3D91;
      --primary-dark: #072c6b;
      --primary-soft: #eaf1fc;
      --cyan: #0891B2;
      --cyan-dark: #0e7490;
      --cyan-soft: #ecfeff;
      --graphite: #172033;
      --muted: #667085;
      --line: #dce4ee;
      --surface: #ffffff;
      --background: #f5f8fc;
      --success: #16a34a;
      --shadow: 0 18px 45px rgba(15, 39, 76, 0.11);
      --radius: 18px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--graphite);
      background: var(--background);
      font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
    }

    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: #dcecff;
      background: #061c3e;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .topbar-links {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .topbar a {
      transition: color .2s ease;
    }

    .topbar a:hover {
      color: #67e8f9;
    }

    .header {
      position: sticky;
      top: 0;
      z-index: 80;
      border-bottom: 1px solid rgba(220, 228, 238, .9);
      background: rgba(255, 255, 255, .96);
      backdrop-filter: blur(16px);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .logo {
      min-width: 180px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--primary);
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .logo img {
      width: 42px;
      height: 42px;
      object-fit: contain;
      border-radius: 10px;
    }

    .main-nav {
      flex: 1;
      align-self: stretch;
    }

    .nav-list {
      height: 100%;
      margin: 0;
      padding: 0;
      display: flex;
      align-items: stretch;
      justify-content: center;
      list-style: none;
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: center;
    }

    .nav-link {
      height: 100%;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #26344b;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      transition: color .2s ease;
    }

    .nav-link:hover,
    .nav-item:focus-within > .nav-link,
    .nav-item:hover > .nav-link {
      color: var(--cyan-dark);
    }

    .has-arrow::after {
      width: 6px;
      height: 6px;
      content: "";
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
      transition: transform .2s ease;
    }

    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after {
      transform: rotate(225deg) translate(-1px, -1px);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      left: 50%;
      z-index: 100;
      width: 340px;
      padding: 22px;
      visibility: hidden;
      opacity: 0;
      border: 1px solid var(--line);
      border-radius: 0 0 18px 18px;
      background: #fff;
      box-shadow: var(--shadow);
      transform: translate(-50%, 10px);
      transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }

    .mega-menu {
      width: min(720px, calc(100vw - 40px));
    }

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 14px;
      content: "";
    }

    .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;
      transform: translate(-50%, 0);
    }

    .panel-title {
      margin-bottom: 14px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .panel-list {
      display: grid;
      gap: 7px;
    }

    .panel-list a {
      padding: 10px 12px;
      display: grid;
      gap: 2px;
      border-radius: 10px;
      color: #26344b;
      font-size: 14px;
      transition: background .2s ease, color .2s ease;
    }

    .panel-list a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .panel-list small,
    .mega-card small {
      color: var(--muted);
      font-size: 12px;
      font-weight: 500;
    }

    .mega-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .mega-card {
      margin-bottom: 8px;
      padding: 10px;
      display: flex;
      align-items: center;
      gap: 11px;
      border: 1px solid transparent;
      border-radius: 12px;
      transition: border-color .2s ease, background .2s ease;
    }

    .mega-card:hover {
      border-color: #b9dbe6;
      background: var(--cyan-soft);
    }

    .mega-card img {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      object-fit: contain;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
    }

    .mega-card span {
      min-width: 0;
      display: grid;
      gap: 2px;
    }

    .mega-footer {
      margin-top: 15px;
      padding-top: 14px;
      display: block;
      border-top: 1px solid var(--line);
      color: var(--cyan-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .member-link,
    .open-account {
      padding: 10px 14px;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .member-link {
      color: var(--primary);
      border: 1px solid #b9c9df;
      background: #fff;
    }

    .open-account {
      color: #fff;
      border: 1px solid var(--primary);
      background: var(--primary);
      box-shadow: 0 8px 18px rgba(11, 61, 145, .2);
    }

    .member-link:hover {
      background: var(--primary-soft);
    }

    .open-account:hover {
      background: var(--primary-dark);
    }

    .hamburger {
      width: 44px;
      height: 42px;
      padding: 10px;
      display: none;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      cursor: pointer;
    }

    .hamburger span {
      width: 100%;
      height: 2px;
      margin: 4px 0;
      display: block;
      border-radius: 4px;
      background: var(--graphite);
      transition: transform .2s ease, opacity .2s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 110;
      visibility: hidden;
      opacity: 0;
      background: rgba(5, 18, 40, .58);
      transition: opacity .25s ease, visibility .25s ease;
    }

    .drawer-overlay.open {
      visibility: visible;
      opacity: 1;
    }

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      z-index: 120;
      width: min(390px, 90vw);
      height: 100vh;
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 55px rgba(10, 31, 64, .2);
      transform: translateX(105%);
      transition: transform .28s ease;
    }

    .mobile-drawer.open {
      transform: translateX(0);
    }

    .drawer-head {
      min-height: 76px;
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--cyan-dark));
    }

    .drawer-head strong {
      min-width: 0;
      flex: 1;
    }

    .drawer-head a {
      padding: 8px 10px;
      border: 1px solid rgba(255, 255, 255, .45);
      border-radius: 8px;
      font-size: 12px;
      font-weight: 800;
    }

    .drawer-close {
      width: 36px;
      height: 36px;
      padding: 0;
      color: #fff;
      border: 0;
      background: transparent;
      font-size: 30px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 14px 18px 30px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 12px 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 0;
      border-bottom: 1px solid var(--line);
      background: transparent;
      color: #24334b;
      font-weight: 750;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      content: "+";
      color: var(--cyan-dark);
      font-size: 20px;
    }

    .drawer-toggle.active::after {
      content: "−";
    }

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      padding: 0 10px;
      background: #f8fafc;
      transition: max-height .3s ease, padding .3s ease;
    }

    .drawer-submenu.open {
      max-height: 720px;
      padding: 8px 10px;
    }

    .drawer-submenu a {
      padding: 9px 8px;
      display: block;
      color: #526078;
      border-radius: 8px;
      font-size: 14px;
    }

    .drawer-submenu a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .video-page {
      min-height: 70vh;
    }

    .video-page .video-hero {
      position: relative;
      overflow: hidden;
      padding: 72px 0 60px;
      color: #fff;
      background:
        radial-gradient(circle at 15% 20%, rgba(8, 145, 178, .38), transparent 28%),
        radial-gradient(circle at 85% 75%, rgba(61, 133, 224, .27), transparent 30%),
        linear-gradient(135deg, #061c3e 0%, #0b3d91 58%, #07566e 100%);
    }

    .video-page .video-hero::before,
    .video-page .video-hero::after {
      position: absolute;
      content: "";
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 50%;
    }

    .video-page .video-hero::before {
      width: 390px;
      height: 390px;
      top: -220px;
      right: 8%;
    }

    .video-page .video-hero::after {
      width: 250px;
      height: 250px;
      bottom: -180px;
      left: 7%;
    }

    .video-page .video-hero-content {
      position: relative;
      z-index: 2;
      max-width: 850px;
      margin: 0 auto;
      text-align: center;
    }

    .video-page .eyebrow {
      margin-bottom: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #a5f3fc;
      font-size: 13px;
      font-weight: 850;
      letter-spacing: .12em;
      text-transform: uppercase;
    }

    .video-page .eyebrow::before {
      width: 9px;
      height: 9px;
      content: "";
      border: 2px solid #a5f3fc;
      border-radius: 50%;
      box-shadow: 0 0 0 5px rgba(165, 243, 252, .12);
    }

    .video-page .video-hero h1 {
      margin: 0;
      font-size: clamp(36px, 6vw, 66px);
      line-height: 1.08;
      letter-spacing: -.045em;
    }

    .video-page .video-hero p {
      max-width: 720px;
      margin: 20px auto 0;
      color: #d8e9ff;
      font-size: 18px;
    }

    .video-page .hero-points {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .video-page .hero-points span {
      padding: 8px 13px;
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      color: #effbff;
      font-size: 13px;
      font-weight: 700;
      backdrop-filter: blur(8px);
    }

    .video-page .category-strip {
      position: relative;
      z-index: 4;
      margin-top: -24px;
    }

    .video-page .category-panel {
      padding: 18px;
      display: flex;
      align-items: center;
      gap: 14px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .video-page .category-label {
      flex: 0 0 auto;
      color: var(--primary);
      font-size: 13px;
      font-weight: 850;
    }

    .video-page .category-links {
      min-width: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .video-page .category-links a {
      padding: 8px 13px;
      border: 1px solid #d8e2ef;
      border-radius: 999px;
      color: #40506a;
      background: #f9fbfd;
      font-size: 13px;
      font-weight: 750;
      transition: color .2s ease, border-color .2s ease, background .2s ease;
    }

    .video-page .category-links a:hover {
      color: #fff;
      border-color: var(--cyan);
      background: var(--cyan);
    }

    .video-page .video-section {
      padding: 68px 0 84px;
    }

    .video-page .section-heading {
      margin-bottom: 28px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
    }

    .video-page .section-heading h2 {
      margin: 0;
      color: #12203a;
      font-size: clamp(27px, 4vw, 40px);
      line-height: 1.15;
      letter-spacing: -.03em;
    }

    .video-page .section-heading p {
      max-width: 600px;
      margin: 9px 0 0;
      color: var(--muted);
    }

    .video-page .section-note {
      flex: 0 0 auto;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--cyan-dark);
      background: #dff8fb;
      font-size: 12px;
      font-weight: 850;
    }

    .video-page .video-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }

    .video-page .video-card {
      min-width: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 10px 30px rgba(14, 38, 73, .06);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .video-page .video-card:hover {
      border-color: #a9d8e4;
      box-shadow: 0 20px 45px rgba(14, 38, 73, .13);
      transform: translateY(-5px);
    }

    .video-page .video-cover {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: #dbe6f4;
    }

    .video-page .video-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .video-page .video-card:hover .video-cover img {
      transform: scale(1.045);
    }

    .video-page .play-icon {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .55);
      border-radius: 50%;
      background: rgba(11, 61, 145, .88);
      box-shadow: 0 10px 28px rgba(3, 20, 48, .3);
      transform: translate(-50%, -50%);
    }

    .video-page .play-icon::after {
      margin-left: 3px;
      content: "";
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
      border-left: 11px solid #fff;
    }

    .video-page .video-duration {
      position: absolute;
      right: 10px;
      bottom: 10px;
      padding: 4px 8px;
      color: #fff;
      border-radius: 6px;
      background: rgba(4, 13, 30, .82);
      font-size: 12px;
      font-weight: 800;
    }

    .video-page .video-body {
      min-width: 0;
      padding: 20px;
      display: flex;
      flex: 1;
      flex-direction: column;
    }

    .video-page .video-kicker {
      margin-bottom: 8px;
      color: var(--cyan-dark);
      font-size: 12px;
      font-weight: 850;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .video-page .video-card h3 {
      margin: 0;
      color: #16243d;
      font-size: 19px;
      line-height: 1.35;
      letter-spacing: -.015em;
    }

    .video-page .video-card h3 a:hover {
      color: var(--primary);
    }

    .video-page .video-summary {
      margin: 11px 0 18px;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 14px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .video-page .video-action {
      margin-top: auto;
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-top: 1px solid #edf1f6;
      color: var(--primary);
      font-size: 13px;
      font-weight: 850;
    }

    .video-page .video-action::after {
      content: "→";
      font-size: 18px;
      transition: transform .2s ease;
    }

    .video-page .video-card:hover .video-action::after {
      transform: translateX(4px);
    }

    .video-page .pagination {
      margin-top: 42px;
      display: flex;
      flex-wrap: wrap;
      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;
      border: 1px solid var(--line);
      border-radius: 10px;
      color: #46556d;
      background: #fff;
      font-size: 14px;
      font-weight: 800;
      transition: color .2s ease, border-color .2s ease, background .2s ease;
    }

    .video-page .pagination a:hover,
    .video-page .pagination a.active,
    .video-page .pagination a.current {
      color: #fff;
      border-color: var(--primary);
      background: var(--primary);
    }

    .video-page .learning-note {
      margin-top: 54px;
      padding: 28px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 18px;
      border: 1px solid #bfe6ed;
      border-radius: 18px;
      background: linear-gradient(135deg, #ecfeff, #eff6ff);
    }

    .video-page .learning-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      color: #fff;
      border-radius: 14px;
      background: var(--cyan);
      font-size: 23px;
      font-weight: 900;
    }

    .video-page .learning-note h2 {
      margin: 0 0 5px;
      color: #123150;
      font-size: 21px;
    }

    .video-page .learning-note p {
      margin: 0;
      color: #53677c;
      font-size: 14px;
    }

    .footer {
      padding: 62px 0 22px;
      color: #c9d7ea;
      background: #071a35;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 42px;
    }

    .footer-brand {
      margin-bottom: 12px;
      color: #fff;
      font-size: 22px;
      font-weight: 850;
    }

    .footer p {
      max-width: 390px;
      margin: 0;
      color: #aabbd2;
      font-size: 14px;
    }

    .footer h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 15px;
    }

    .footer-grid a {
      margin: 8px 0;
      display: block;
      color: #b7c7dc;
      font-size: 14px;
      transition: color .2s ease;
    }

    .footer-grid a:hover {
      color: #67e8f9;
    }

    .footer-bottom {
      margin-top: 42px;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: #91a5bf;
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .main-nav {
        display: none;
      }

      .header-inner {
        min-height: 70px;
      }

      .logo {
        margin-right: auto;
      }

      .hamburger {
        display: block;
      }

      .video-page .video-grid {
        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: 3px;
      }

      .topbar-links {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }

      .header-inner {
        gap: 10px;
      }

      .logo {
        min-width: 0;
        font-size: 16px;
      }

      .logo img {
        width: 36px;
        height: 36px;
      }

      .member-link {
        display: none;
      }

      .open-account {
        padding: 9px 11px;
        font-size: 12px;
      }

      .video-page .video-hero {
        padding: 54px 0 52px;
      }

      .video-page .video-hero p {
        font-size: 16px;
      }

      .video-page .category-panel {
        align-items: flex-start;
        flex-direction: column;
      }

      .video-page .section-heading {
        align-items: flex-start;
        flex-direction: column;
      }

      .video-page .video-grid {
        grid-template-columns: 1fr;
      }

      .video-page .video-section {
        padding: 54px 0 68px;
      }

      .video-page .learning-note {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 480px) {
      .open-account {
        display: none;
      }

      .video-page .hero-points {
        align-items: stretch;
        flex-direction: column;
      }

      .video-page .hero-points span {
        text-align: center;
      }

      .video-page .category-links {
        width: 100%;
      }

      .video-page .category-links a {
        flex: 1 1 calc(50% - 8px);
        text-align: center;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }