:root{
      --theme:#0B3D91;
      --ink:#10233f;
      --muted:#61728b;
      --line:#dce5ef;
      --surface:#f5f9fc;
      --white:#fff;
      --aqua:#0d8b91;
      --shadow:0 16px 40px rgba(16,35,63,.10);
      --radius:8px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",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:#092b63;color:#dcecff;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:20px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;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;font-weight:800;color:var(--theme);white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:7px;padding:27px 13px;font-size:15px;font-weight:700;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{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:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease;z-index:30}
    .dropdown-panel{width:300px;padding:18px}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
    .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;pointer-events:auto}
    .dropdown-heading{margin:0 0 10px;color:var(--theme);font-size:13px;font-weight:800}
    .dropdown-panel>a:not(.dropdown-all){display:block;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
    .dropdown-panel>a:hover{color:var(--theme)}
    .dropdown-all,.mega-footer{display:block;margin-top:14px;color:var(--theme);font-weight:800;font-size:14px}
    .mega-menu{width:min(900px,calc(100vw - 40px));padding:24px}
    .mega-head{display:flex;justify-content:space-between;gap:18px;align-items:baseline;margin-bottom:18px}
    .mega-head strong{font-size:17px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{min-width:0;padding:13px;border:1px solid var(--line);border-radius:6px;background:#fbfdff}
    .mega-card:hover{border-color:var(--theme);transform:translateY(-2px)}
    .mega-card img{width:42px;height:42px;object-fit:contain;margin-bottom:8px}
    .mega-card strong{display:block;font-size:14px}
    .mega-card p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.5}
    .mega-meta{display:flex;flex-wrap:wrap;gap:5px 10px;margin-top:7px;color:var(--muted);font-size:11px}
    .mega-category-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
    .mega-category-list a{padding:5px 10px;border:1px solid var(--line);border-radius:20px;color:var(--theme);font-size:12px}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-slot{font-size:14px}
    .open-account{padding:9px 15px;border-radius:5px;background:var(--theme);color:#fff;font-size:14px;font-weight:700}
    .open-account:hover{background:#082f71}
    .hamburger{display:none;width:42px;height:38px;padding:8px;border:1px solid var(--line);background:#fff;border-radius:5px;cursor:pointer}
    .hamburger span{display:block;width:22px;height:2px;margin:4px auto;background:var(--theme);transition:.2s}
    .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;background:rgba(7,24,49,.52);opacity:0;visibility:hidden;transition:.2s;z-index:50}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;overflow:auto;background:#fff;transform:translateX(100%);transition:.25s;z-index:51}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:13px;padding:18px 20px;border-bottom:1px solid var(--line)}
    .drawer-member{margin-right:auto;color:var(--theme)}
    .drawer-head>a{padding:7px 11px;background:var(--theme);color:#fff;border-radius:4px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 36px}
    .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-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .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:7px 0;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--theme)}
    body.drawer-locked{overflow:hidden}

    .about-page{background:#fff}
    .about-hero{padding:76px 0 68px;background:linear-gradient(135deg,#eff8fa 0%,#fff 62%);border-bottom:1px solid var(--line)}
    .about-hero-inner{text-align:center;max-width:820px;margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--aqua);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--aqua)}
    .about-hero h1{margin:15px 0 17px;font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:0;color:var(--ink)}
    .about-hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:18px}
    .about-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 19px;border-radius:5px;font-weight:800}
    .btn-primary{background:var(--theme);color:#fff}
    .btn-secondary{border:1px solid var(--theme);color:var(--theme);background:#fff}
    .about-section{padding:72px 0}
    .about-section.alt{background:var(--surface)}
    .section-heading{max-width:700px;margin:0 auto 34px;text-align:center}
    .section-heading h2{margin:0 0 10px;font-size:32px;line-height:1.25}
    .section-heading p{margin:0;color:var(--muted)}
    .principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .principle{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(16,35,63,.05)}
    .principle-mark{display:flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:17px;border-radius:50%;background:#e5f3f4;color:var(--aqua);font-weight:900}
    .principle h3{margin:0 0 8px;font-size:20px}
    .principle p{margin:0;color:var(--muted);font-size:15px}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
    .story-copy h2{margin:0 0 15px;font-size:32px;line-height:1.3}
    .story-copy p{margin:0 0 15px;color:var(--muted)}
    .story-points{display:grid;gap:12px}
    .story-point{display:flex;gap:14px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:6px}
    .story-point strong{display:block;margin-bottom:3px}
    .story-point span{color:var(--muted);font-size:14px}
    .story-dot{flex:0 0 10px;width:10px;height:10px;margin-top:8px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 5px #dff1f2}
    .trust-band{padding:28px 0;background:#092b63;color:#fff}
    .trust-items{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
    .trust-item strong{display:block;font-size:25px;color:#9be1df}
    .trust-item span{font-size:13px;color:#d7e5f5}
    .about-cta{padding:66px 0;text-align:center}
    .about-cta h2{margin:0 0 10px;font-size:31px}
    .about-cta p{margin:0 auto 23px;color:var(--muted)}

    .footer{padding:54px 0 20px;background:#071c3a;color:#d8e5f4}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.1fr;gap:35px}
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer-brand p{margin:0;color:#aebfd5;font-size:13px;line-height:1.8}
    .footer-social{margin-top:16px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a,.footer-contact a,.footer-contact span{color:#aebfd5;font-size:13px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact{display:grid;gap:8px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(216,229,244,.18);color:#8ea5c1;font-size:12px}
    .footer-legal{display:flex;gap:16px}
    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .principles{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-contact{flex-wrap:wrap;gap:4px 14px}
      .header-inner{min-height:66px;gap:12px}
      .header-btns{margin-left:auto}
      .member-slot{display:none}
      .open-account{display:none}
      .mega-grid{grid-template-columns:1fr}
      .mega-head{display:block}
      .mega-head span{display:block;margin-top:4px}
      .about-hero{padding:55px 0 48px}
      .about-hero p{font-size:16px}
      .about-section{padding:52px 0}
      .principles,.story-grid,.trust-items{grid-template-columns:1fr}
      .story-grid{gap:28px}
      .trust-items{gap:16px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:block}
      .footer-legal{margin-top:10px;flex-wrap:wrap}
    }