:root{
      --theme:#0B3D91;
      --ink:#172235;
      --muted:#687386;
      --line:#e5eaf1;
      --soft:#f5f7fa;
      --white:#fff;
      --accent:#d51b76;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#101a2b;color:#cbd5e1;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:19px;color:var(--theme)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;justify-content:center;gap:4px}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 13px;font-size:14px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);width:350px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:0 18px 45px rgba(16,32,60,.14);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu{width:650px}
    .nav-item:hover>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.dropdown-panel,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;height:12px;top:-12px}
    .drop-title,.mega-title{margin:0 0 12px;color:var(--theme);font-size:14px;font-weight:800}
    .drop-list{display:grid;gap:8px}
    .drop-list a{display:block;padding:6px 8px;border-radius:6px;font-size:13px}
    .drop-list a:hover{background:var(--soft);color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .mega-items{display:grid;gap:9px}
    .mega-card{display:flex;gap:10px;align-items:center;padding:7px;border-radius:8px}
    .mega-card:hover{background:var(--soft)}
    .mega-card img{width:34px;height:34px;object-fit:cover;border-radius:7px;background:#edf1f7}
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:13px}
    .mega-card small{color:var(--muted);font-size:11px;max-width:220px}
    .mega-footer{display:inline-block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700;width:100%}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{font-size:13px;color:var(--theme);font-weight:700}
    .open-account{background:var(--theme);color:#fff;padding:9px 15px;border-radius:7px;font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
    .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;background:rgba(10,20,36,.48);opacity:0;visibility:hidden;z-index:40;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;right:-390px;top:0;bottom:0;width:min(370px,88vw);background:#fff;z-index:41;transition:.28s;box-shadow:-12px 0 35px rgba(0,0,0,.15);overflow:auto}
    .mobile-drawer.open{right:0}
    .drawer-head{height:68px;padding:0 20px;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;color:var(--muted);cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);font-size:15px;font-weight:650;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}

    .about-page{background:#fff}
    .about-hero{padding:82px 0 74px;background:linear-gradient(135deg,#f5f8fd 0%,#fff 58%,#fff2f8 100%);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--accent)}
    .about-hero h1{max-width:760px;margin:18px 0 18px;font-size:clamp(36px,6vw,68px);line-height:1.12;letter-spacing:-.04em}
    .about-hero p{max-width:680px;margin:0;color:var(--muted);font-size:18px}
    .hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
    .primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:7px;font-size:14px;font-weight:750}
    .primary-btn{color:#fff;background:var(--theme)}
    .secondary-btn{color:var(--theme);background:#fff;border:1px solid #cbd7e8}
    .about-section{padding:76px 0}
    .section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-heading h2{margin:0;font-size:32px;line-height:1.25}
    .section-heading p{max-width:520px;margin:0;color:var(--muted)}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 28px rgba(18,39,73,.05)}
    .value-no{color:var(--accent);font-size:13px;font-weight:800}
    .value-card h3{margin:15px 0 8px;font-size:20px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .mission{background:#101a2b;color:#fff}
    .mission .section-heading p{color:#b9c6d8}
    .mission-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
    .mission h2{font-size:38px;margin:0;line-height:1.25}
    .mission-copy{color:#c1cede;font-size:15px}
    .mission-list{display:grid;gap:14px}
    .mission-item{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.14)}
    .mission-item b{color:#ff8bbc;font-size:20px}
    .mission-item strong{display:block;margin-bottom:3px}
    .mission-item span{color:#b9c6d8;font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .timeline-item{position:relative;padding:26px 20px 0 0}
    .timeline-item:before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px #fff}
    .timeline-item strong{display:block;color:var(--theme);font-size:20px;margin-bottom:8px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .about-cta{padding:55px 0;background:#f5f7fa;text-align:center}
    .about-cta h2{margin:0 0 10px;font-size:30px}
    .about-cta p{margin:0 auto 22px;color:var(--muted)}

    .footer{background:#101a2b;color:#bac6d7;padding:50px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px}
    .footer-brand strong{color:#fff;font-size:20px}
    .footer p{font-size:13px;line-height:1.8}
    .footer h3{color:#fff;font-size:15px;margin:0 0 14px}
    .footer-grid>div:not(.footer-brand) a{display:block;color:#bac6d7;font-size:13px;margin:7px 0}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8f9db1}

    @media(max-width:1050px){
      .nav-link{padding-left:8px;padding-right:8px}
      .header-inner{gap:14px}
      .mega-menu{left:auto;right:-120px;transform:none}
    }
    @media(max-width:820px){
      .container{width:min(100% - 30px,680px)}
      .topbar .container{height:auto;min-height:36px;padding:8px 0;align-items:flex-start;gap:8px;flex-direction:column}
      .topbar-links{gap:14px;flex-wrap:wrap}
      .main-nav{display:none}
      .header-btns{margin-left:auto}
      .member-link{display:none}
      .hamburger{display:block}
      .about-hero{padding:58px 0}
      .about-hero p{font-size:16px}
      .section-heading{display:block}
      .section-heading p{margin-top:12px}
      .value-grid,.mission-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr 1fr;gap:20px;border-top:0}
      .timeline-item{border-top:1px solid var(--line);padding-top:20px}
      .timeline-item:before{top:-5px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .open-account{display:none}
      .about-hero h1{font-size:39px}
      .hero-actions a{width:100%}
      .timeline{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }