:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#647084;
      --line:#e5eaf2;
      --soft:#f5f7fb;
      --white:#fff;
      --shadow:0 18px 50px rgba(20,35,65,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans TC","PingFang HK","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:#111a2b;color:#dce5f5;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px}
    .topbar a{color:#dce5f5}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:#101a2d;white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .logo span{font-size:18px}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 12px;font-size:14px;font-weight:650;color:#29344a;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:14px;color:#8390a5}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(8px);width:300px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .mega-menu{width:550px}
    .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;transform:translateX(-50%) translateY(0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .mega-title{margin:0 0 13px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.06em}
    .dropdown-list{display:grid;gap:8px}
    .dropdown-list a{padding:7px 0;color:#44516a;font-size:14px;border-bottom:1px solid #eef1f6}
    .dropdown-list a:hover{color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .mega-card{display:flex;gap:9px;min-width:0;padding:9px;border:1px solid #edf0f5;border-radius:10px;background:#fbfcfe}
    .mega-card:hover{border-color:#b9c9e6;background:#f3f7ff}
    .mega-card img{width:36px;height:36px;flex:0 0 36px;object-fit:contain;border-radius:7px}
    .mega-card span{display:grid;min-width:0;gap:2px}
    .mega-card strong,.mega-card small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:12px}
    .mega-card small{font-size:10px;color:var(--muted)}
    .mega-footer{display:block;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-link{font-size:13px;color:var(--theme);font-weight:700}
    .open-account{padding:9px 15px;background:var(--theme);color:#fff;border-radius:9px;font-size:13px;font-weight:700}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);background:#fff;border-radius:9px;cursor:pointer;padding:9px}
    .hamburger span{height:2px;background:var(--ink);display:block;margin:4px 0;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{display:none;position:fixed;inset:0;background:rgba(10,18,32,.5);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:50;transform:translateX(105%);transition:.25s ease;overflow:auto;box-shadow:-15px 0 35px rgba(0,0,0,.15)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:13px}
    .drawer-close{border:0;background:transparent;font-size:28px;color:#69758a;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--theme)}
    .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:14px}
    .footer{margin-top:80px;background:#111a2b;color:#c5d0e3;padding:56px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer .logo{color:#fff;margin-bottom:18px}
    .footer-brand p,.footer-col p{margin:0;color:#aebbd0;font-size:13px}
    .footer-col h3{margin:0 0 15px;color:#fff;font-size:14px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{color:#aebbd0;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8d9ab0}
    .about-page{background:linear-gradient(180deg,#f7f9fd 0,#fff 420px)}
    .about-hero{padding:82px 0 70px;text-align:center;background:
      radial-gradient(circle at 20% 10%,rgba(11,61,145,.12),transparent 34%),
      radial-gradient(circle at 80% 0,rgba(53,116,204,.13),transparent 30%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--theme)}
    .about-hero h1{max-width:780px;margin:16px auto 18px;font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em}
    .about-hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:18px}
    .about-content{padding:70px 0 20px}
    .section-heading{max-width:700px;margin:0 auto 36px;text-align:center}
    .section-heading h2{margin:0 0 10px;font-size:clamp(26px,3vw,38px);line-height:1.25}
    .section-heading p{margin:0;color:var(--muted)}
    .about-story{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:78px}
    .story-copy h2{margin:0 0 16px;font-size:32px;line-height:1.3}
    .story-copy p{margin:0 0 15px;color:var(--muted)}
    .story-panel{position:relative;min-height:330px;padding:34px;border-radius:24px;overflow:hidden;background:linear-gradient(145deg,#12264d,#0B3D91 60%,#4e83c7);color:#fff;box-shadow:var(--shadow)}
    .story-panel:after{content:"";position:absolute;width:240px;height:240px;right:-65px;bottom:-85px;border:1px solid rgba(255,255,255,.28);border-radius:50%;box-shadow:0 0 0 28px rgba(255,255,255,.06),0 0 0 58px rgba(255,255,255,.04)}
    .story-panel .panel-label{color:#bcd5ff;font-size:12px;font-weight:800;letter-spacing:.08em}
    .story-panel h3{max-width:310px;margin:26px 0 18px;font-size:30px;line-height:1.25}
    .story-panel p{position:relative;z-index:1;max-width:315px;margin:0;color:#dce9ff;font-size:14px}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:80px}
    .value-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(20,35,65,.05)}
    .value-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:#eaf1ff;color:var(--theme);font-weight:900;margin-bottom:18px}
    .value-card h3{margin:0 0 8px;font-size:19px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;max-width:820px;margin:0 auto 75px;padding-left:28px}
    .timeline:before{content:"";position:absolute;left:5px;top:5px;bottom:5px;width:2px;background:#cbd8ee}
    .timeline-item{position:relative;padding:0 0 28px 28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-1px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--theme);border:4px solid #dce8fb}
    .timeline-item strong{display:block;color:var(--theme);font-size:13px;margin-bottom:4px}
    .timeline-item h3{margin:0 0 5px;font-size:19px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .trust-band{padding:40px;border-radius:22px;background:#f2f6fd;text-align:center}
    .trust-band h2{margin:0 0 9px;font-size:28px}
    .trust-band p{max-width:680px;margin:0 auto 22px;color:var(--muted)}
    .trust-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
    .trust-links a{padding:11px 18px;border:1px solid #c9d8ef;border-radius:9px;color:var(--theme);background:#fff;font-weight:700;font-size:13px}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:9px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{height:68px;gap:10px}
      .member-link{display:none}
      .open-account{padding:8px 11px}
      .about-hero{padding:58px 0 48px}
      .about-hero p{font-size:16px}
      .about-content{padding-top:48px}
      .about-story{grid-template-columns:1fr;gap:28px;margin-bottom:55px}
      .story-copy h2{font-size:27px}
      .value-grid{grid-template-columns:1fr;margin-bottom:55px}
      .timeline{padding-left:12px}
      .timeline-item{padding-left:28px}
      .footer{margin-top:55px;padding-top:40px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:6px}
    }
    @media(max-width:430px){
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .header-btns{gap:7px}
      .logo span{font-size:16px}
    }