:root {
      --theme: #0B3D91;
      --ink: #172033;
      --muted: #667085;
      --line: #dfe5ed;
      --paper: #f7f8fa;
      --white: #ffffff;
      --red: #b42318;
      --gold: #c6923b;
      --shadow: 0 16px 40px rgba(20, 38, 70, .08);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    img { max-width: 100%; display: block; }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

    .topbar {
      color: #dbe6f7;
      background: #071a3b;
      font-size: 13px;
    }
    .topbar-inner {
      min-height: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .topbar-contact {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    .topbar a:hover { color: #fff; }

    .header {
      position: relative;
      z-index: 20;
      background: var(--white);
      border-bottom: 1px solid var(--line);
    }
    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
      color: var(--theme);
      font-size: 19px;
      font-weight: 800;
      letter-spacing: 0;
    }
    .logo img {
      width: 38px;
      height: 38px;
      object-fit: contain;
    }
    .main-nav { margin-left: auto; }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .nav-item { position: relative; }
    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 78px;
      padding: 0 14px;
      color: #344054;
      font-size: 15px;
      white-space: nowrap;
    }
    .nav-link:hover,
    .nav-item:focus-within > .nav-link {
      color: var(--theme);
    }
    .has-arrow::after {
      content: "";
      width: 6px;
      height: 6px;
      margin: -3px 0 0 8px;
      border-right: 1px solid currentColor;
      border-bottom: 1px solid currentColor;
      transform: rotate(45deg);
    }
    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: calc(100% - 1px);
      left: 50%;
      z-index: 30;
      width: 350px;
      padding: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      opacity: 0;
      visibility: hidden;
      transform: translate(-50%, 8px);
      transition: .2s ease;
    }
    .mega-menu {
      width: min(900px, calc(100vw - 40px));
      padding: 28px;
    }
    .dropdown-panel::before,
    .mega-menu::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: -12px;
      height: 12px;
    }
    .nav-item:hover .dropdown-panel,
    .nav-item:focus-within .dropdown-panel,
    .nav-item:hover .mega-menu,
    .nav-item:focus-within .mega-menu {
      opacity: 1;
      visibility: visible;
      transform: translate(-50%, 0);
    }
    .panel-title,
    .mega-section h3 {
      margin: 0 0 14px;
      color: var(--theme);
      font-size: 16px;
    }
    .dropdown-list,
    .mega-list {
      display: grid;
      gap: 9px;
    }
    .dropdown-list > a,
    .mega-list > a {
      display: block;
      padding: 8px 0;
      color: #344054;
      border-bottom: 1px solid #edf0f4;
    }
    .dropdown-list > a:hover,
    .mega-list > a:hover { color: var(--red); }
    .mega-columns {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 28px;
    }
    .mega-section p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }
    .broker-mega-card,
    .video-mega-card,
    .product-mega-card {
      display: flex !important;
      align-items: center;
      gap: 10px;
    }
    .broker-mega-card img,
    .video-mega-card img,
    .product-mega-card img {
      width: 34px;
      height: 34px;
      object-fit: contain;
      flex: 0 0 34px;
    }
    .video-mega-card img { object-fit: cover; }
    .mega-meta {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.4;
    }
    .mega-footer {
      display: inline-block;
      color: var(--red) !important;
      font-weight: 700;
    }
    .header-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .member-link,
    .account-link {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 13px;
      border: 1px solid var(--theme);
      font-size: 13px;
      font-weight: 700;
    }
    .member-link { color: var(--theme); }
    .account-link {
      color: #fff;
      background: var(--theme);
    }
    .hamburger {
      display: none;
      width: 42px;
      height: 42px;
      padding: 9px;
      border: 1px solid var(--line);
      background: #fff;
      cursor: pointer;
    }
    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      margin: 4px auto;
      background: var(--theme);
      transition: .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: 40;
      background: rgba(4, 15, 35, .48);
      opacity: 0;
      visibility: hidden;
      transition: .2s ease;
    }
    .drawer-overlay.open { opacity: 1; visibility: visible; }
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      z-index: 41;
      width: min(390px, 88vw);
      height: 100vh;
      overflow-y: auto;
      background: #fff;
      transform: translateX(100%);
      transition: .25s ease;
    }
    .mobile-drawer.open { transform: translateX(0); }
    .drawer-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 74px;
      padding: 16px 20px;
      color: #fff;
      background: var(--theme);
      font-weight: 700;
    }
    .drawer-head a { margin-left: auto; }
    .drawer-close {
      width: 34px;
      height: 34px;
      border: 1px solid rgba(255,255,255,.5);
      color: #fff;
      background: transparent;
      cursor: pointer;
      font-size: 24px;
      line-height: 1;
    }
    .drawer-menu { padding: 14px 20px 30px; }
    .drawer-link,
    .drawer-toggle {
      display: flex;
      align-items: center;
      width: 100%;
      min-height: 48px;
      padding: 0;
      color: #344054;
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line);
      text-align: left;
      cursor: pointer;
    }
    .drawer-toggle::after {
      content: "+";
      margin-left: auto;
      color: var(--theme);
      font-size: 20px;
    }
    .drawer-toggle.active::after { content: "−"; }
    .drawer-submenu {
      display: grid;
      gap: 8px;
      max-height: 0;
      overflow: hidden;
      padding-left: 14px;
      transition: .25s ease;
    }
    .drawer-submenu.open {
      max-height: 520px;
      padding-top: 9px;
      padding-bottom: 9px;
    }
    .drawer-submenu a {
      color: var(--muted);
      font-size: 14px;
    }

    .about-page { padding-bottom: 80px; }
    .page-intro {
      padding: 74px 0 54px;
      background: #eef3fa;
      border-bottom: 1px solid #d7e1ef;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
      color: var(--red);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 2px;
    }
    .eyebrow::before {
      content: "";
      width: 28px;
      height: 2px;
      background: var(--red);
    }
    .page-intro h1 {
      max-width: 760px;
      margin: 0 0 16px;
      color: #102752;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.12;
      letter-spacing: 0;
    }
    .page-intro p {
      max-width: 700px;
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }
    .about-section { padding: 66px 0 0; }
    .about-section + .about-section { padding-top: 42px; }
    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 25px;
      margin-bottom: 24px;
    }
    .section-heading h2 {
      margin: 0;
      color: #102752;
      font-size: 30px;
      line-height: 1.25;
    }
    .section-heading p {
      max-width: 500px;
      margin: 0;
      color: var(--muted);
    }
    .about-story {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
      gap: 28px;
      align-items: stretch;
    }
    .story-copy,
    .fact-panel,
    .trust-card,
    .service-card,
    .timeline-item {
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .story-copy {
      padding: 32px;
      border-top: 4px solid var(--theme);
    }
    .story-copy p { margin: 0 0 16px; color: #475467; }
    .story-copy p:last-child { margin-bottom: 0; }
    .fact-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      padding: 1px;
      background: var(--line);
    }
    .fact {
      padding: 25px 20px;
      background: #fff;
    }
    .fact strong {
      display: block;
      color: var(--theme);
      font-size: 30px;
      line-height: 1.1;
    }
    .fact span { color: var(--muted); font-size: 13px; }
    .service-grid,
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .service-card,
    .trust-card { padding: 25px; }
    .service-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      margin-bottom: 16px;
      color: #fff;
      background: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }
    .service-card h3,
    .trust-card h3 {
      margin: 0 0 8px;
      color: #102752;
      font-size: 19px;
    }
    .service-card p,
    .trust-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .timeline {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .timeline::before {
      content: "";
      position: absolute;
      top: 22px;
      left: 8%;
      right: 8%;
      height: 1px;
      background: #b9c7da;
    }
    .timeline-item {
      position: relative;
      padding: 48px 20px 20px;
    }
    .timeline-dot {
      position: absolute;
      top: 14px;
      left: 20px;
      z-index: 1;
      width: 17px;
      height: 17px;
      border: 4px solid var(--paper);
      outline: 1px solid var(--theme);
      background: var(--theme);
    }
    .timeline-item strong {
      display: block;
      margin-bottom: 8px;
      color: var(--red);
      font-size: 14px;
    }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .about-cta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      margin-top: 42px;
      padding: 32px;
      color: #fff;
      background: var(--theme);
    }
    .about-cta h2 { margin: 0 0 6px; font-size: 25px; }
    .about-cta p { margin: 0; color: #dce8fa; }
    .cta-link {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 0 18px;
      color: var(--theme);
      background: #fff;
      font-weight: 800;
      white-space: nowrap;
    }

    .footer {
      color: #d9e2f0;
      background: #0b1931;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 1.35fr 1fr 1fr 1fr;
      gap: 35px;
      padding-top: 52px;
      padding-bottom: 42px;
    }
    .footer h2,
    .footer h3 { margin: 0 0 14px; color: #fff; }
    .footer h2 { font-size: 21px; }
    .footer h3 { font-size: 15px; }
    .footer p { margin: 0; color: #9eacc2; font-size: 13px; }
    .footer-links {
      display: grid;
      gap: 8px;
      padding: 0;
      margin: 0;
      list-style: none;
      color: #aebbd0;
      font-size: 13px;
    }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding: 18px 0;
      border-top: 1px solid rgba(255,255,255,.14);
      color: #8796af;
      font-size: 12px;
    }

    @media (max-width: 1020px) {
      .main-nav { display: none; }
      .hamburger { display: block; }
      .header-btns { margin-left: auto; }
      .about-story { grid-template-columns: 1fr; }
      .service-grid,
      .trust-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: repeat(2, 1fr); }
      .timeline::before { display: none; }
      .footer-main { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 620px) {
      .container { width: min(100% - 28px, 1180px); }
      .topbar-inner { align-items: flex-start; flex-direction: column; gap: 2px; padding: 7px 0; }
      .topbar-contact { gap: 10px; }
      .header-inner { min-height: 68px; gap: 10px; }
      .logo { font-size: 16px; }
      .logo img { width: 32px; height: 32px; }
      .member-link { display: none; }
      .page-intro { padding: 50px 0 38px; }
      .page-intro h1 { font-size: 38px; }
      .page-intro p { font-size: 15px; }
      .about-section { padding-top: 45px; }
      .section-heading { display: block; }
      .section-heading h2 { margin-bottom: 10px; font-size: 26px; }
      .story-copy { padding: 23px; }
      .fact-panel { grid-template-columns: 1fr 1fr; }
      .fact { padding: 20px 14px; }
      .fact strong { font-size: 25px; }
      .service-grid,
      .trust-grid,
      .timeline { grid-template-columns: 1fr; }
      .about-cta { display: block; padding: 24px; }
      .cta-link { margin-top: 18px; }
      .footer-main { grid-template-columns: 1fr 1fr; gap: 25px 16px; padding-top: 38px; }
      .footer-main section:first-child { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 5px; }
    }