:root{
      --primary:#0B3D91;
      --primary-dark:#082d6b;
      --ink:#172033;
      --muted:#697386;
      --line:#e5eaf2;
      --soft:#f5f7fb;
      --white:#fff;
      --radius:18px;
      --shadow:0 16px 42px rgba(20,39,75,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f8faff;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:auto}
    .topbar{background:#101827;color:#c8d2e4;font-size:13px}
    .topbar-inner{min-height:38px;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:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;font-size:19px;font-weight:800;color:var(--primary)}
    .logo img{width:38px;height:38px;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:block;padding:27px 14px;font-size:14px;font-weight:700;color:#27344b;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-arrow:after{content:"⌄";font-size:13px;margin-left:6px;color:#8a96a9}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:300px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease}
    .mega-menu{width:620px}.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}
    .dropdown-list{display:grid;gap:8px}.dropdown-list a,.mega-links a{padding:9px 10px;border-radius:8px;color:#3c4b64;font-size:14px}
    .dropdown-list a:hover,.mega-links a:hover{background:#eef4ff;color:var(--primary)}
    .mega-heading{margin:0 0 13px;font-size:15px;color:var(--primary)}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mega-card{display:flex;align-items:center;gap:10px;min-width:0;padding:10px;border:1px solid #edf0f5;border-radius:11px}
    .mega-card:hover{border-color:#b8ccee;background:#f7faff}.mega-card img{width:38px;height:38px;object-fit:cover;border-radius:8px;background:#edf2fa}
    .mega-card span{min-width:0;display:grid;gap:2px}.mega-card strong,.mega-card span span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mega-card strong{font-size:13px}.mega-card span span{font-size:11px;color:var(--muted)}
    .mega-links{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.mega-footer{display:block;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);font-size:13px;font-weight:700;color:var(--primary)}
    .header-btns{display:flex;align-items:center;gap:10px}.member-btn{font-size:13px;color:var(--primary);font-weight:700}.open-btn{padding:9px 16px;border-radius:8px;color:#fff;background:var(--primary);font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;margin:5px 0;background:#172033;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(7,17,36,.48);z-index:40;opacity:0;visibility:hidden;transition:.2s}.drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(380px,88vw);height:100vh;overflow:auto;background:#fff;z-index:50;transform:translateX(100%);transition:.25s;box-shadow:-15px 0 40px rgba(0,0,0,.16)}.mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid var(--line);font-weight:800;color:var(--primary)}.drawer-head span{margin-right:auto}.drawer-head a{font-size:13px;color:#fff;background:var(--primary);padding:6px 12px;border-radius:6px}.drawer-close{border:0;background:none;font-size:28px;line-height:1;color:#728098;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 #eef1f6;background:none;text-align:left;font-weight:700;color:#26364f;cursor:pointer}.drawer-toggle:after{content:"+";float:right;color:var(--primary)}.drawer-toggle.active:after{content:"−"}.drawer-submenu{display:none;padding:4px 0 8px 15px}.drawer-submenu.open{display:grid}.drawer-submenu a{padding:8px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;padding:52px 0 18px;background:#101827;color:#b9c5d8}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:34px}.footer strong{font-size:20px;color:#fff}.footer h3{margin:0 0 14px;color:#fff;font-size:15px}.footer p{margin:10px 0;font-size:13px}.footer-grid>div:not(.footer-brand){display:grid;align-content:start;gap:7px}.footer-grid a,.footer-grid span{font-size:13px;color:#b9c5d8}.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 #29364a;font-size:12px;color:#8492a8}
    .ea-content-stack{padding:58px 0 0}.product-crumb{font-size:13px;color:var(--muted);margin-bottom:22px}.product-crumb a{color:var(--primary)}.product-hero{display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:52px;align-items:center;padding:36px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
    .product-cover{display:flex;align-items:center;justify-content:center;min-height:330px;padding:28px;background:linear-gradient(145deg,#edf4ff,#fff);border-radius:18px}.product-cover img{max-height:280px;width:auto;object-fit:contain;border-radius:12px}.product-cover.is-empty{color:#a1adbf}
    .product-heading .eyebrow{display:inline-flex;padding:5px 11px;border-radius:99px;background:#eaf1ff;color:var(--primary);font-size:12px;font-weight:800}.product-heading h1{margin:13px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.03em}.product-summary{margin:0 0 22px;color:#5f6c80;font-size:17px}.product-meta{display:flex;flex-wrap:wrap;gap:9px 18px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.product-meta b{color:#27364f}.product-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.product-actions a{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:9px;background:var(--primary);color:#fff;font-weight:700;font-size:14px}.product-actions a.secondary{background:#edf3ff;color:var(--primary)}
    .product-lower{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;margin-top:30px}.product-content,.related-products{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}.section-title{margin:0 0 21px;font-size:22px;color:#1d2d47}.product-body{min-width:0;max-width:100%;overflow-x:auto;color:#42516a}.product-body img,.product-body table{max-width:100%}.product-body table{border-collapse:collapse}.product-body td,.product-body th{padding:8px;border:1px solid var(--line)}.product-info{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:25px 0}.info-item{padding:13px;background:var(--soft);border-radius:10px;font-size:13px}.info-item span{display:block;color:var(--muted);font-size:12px}.related-products{align-self:start}.related-card{display:grid;grid-template-columns:62px 1fr;gap:11px;padding:13px 0;border-bottom:1px solid var(--line)}.related-card:last-child{border-bottom:0}.related-card img{width:62px;height:62px;border-radius:9px;object-fit:cover;background:#eef3fa}.related-card strong{display:block;font-size:14px;line-height:1.4}.related-card p{margin:4px 0 0;color:var(--muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    @media(max-width:1000px){.main-nav{display:none}.hamburger{display:block}.header-inner{height:68px}.footer-grid{grid-template-columns:repeat(2,1fr)}.product-hero{grid-template-columns:330px 1fr;gap:30px}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:8px 0;align-items:flex-start}.topbar-contact{gap:8px;flex-direction:column;text-align:right}.logo{min-width:0}.logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-btn{display:none}.open-btn{padding:7px 11px}.ea-content-stack{padding-top:34px}.product-hero{grid-template-columns:1fr;padding:18px;gap:24px}.product-cover{min-height:220px}.product-heading h1{font-size:32px}.product-summary{font-size:15px}.product-lower{grid-template-columns:1fr}.product-content,.related-products{padding:21px}.product-info{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:grid}.mega-menu{width:calc(100vw - 30px)}}
    @media(max-width:440px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}