:root{--blue:#0B3D91;--ink:#101827;--muted:#607086;--line:#e4e9f0;--soft:#f4f7fb;--white:#fff;--shadow:0 18px 50px rgba(14,37,71,.09)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#0c1728;color:#dbe6f3;font-size:13px}.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-contact{display:flex;gap:22px}.topbar a:hover{color:#fff}
    .header{position:relative;background:#fff;border-bottom:1px solid var(--line);z-index:20}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--ink)}.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:center;gap:4px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:26px 13px;font-size:14px;font-weight:650;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:330px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s;z-index:30}.mega-menu-wide{width:min(760px,90vw)}.nav-item:after{content:"";position:absolute;left:0;right:0;height:12px;bottom:-7px}.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:translateX(-50%) translateY(0)}
    .dropdown-title,.mega-head{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:14px}.dropdown-title span,.mega-head strong{font-weight:800}.dropdown-title a,.mega-head span{font-size:12px;color:var(--blue)}.dropdown-article{display:grid;grid-template-columns:54px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-size:13px}.dropdown-article img{width:54px;height:42px;object-fit:cover;border-radius:6px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{border:1px solid var(--line);border-radius:10px;padding:11px;background:#fbfcfe;font-size:12px;transition:.2s}.mega-card:hover{border-color:var(--blue);transform:translateY(-2px)}.mega-card-top{display:flex;align-items:center;gap:8px}.mega-card-top img{width:28px;height:28px;object-fit:contain}.mega-card strong{display:block;font-size:13px}.mega-card p{margin:7px 0 0;color:var(--muted);line-height:1.45}.broker-rating{display:block;color:#d48616;font-size:11px}.mega-stats{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px;color:var(--muted);font-size:10px}.mega-video img,.mega-product img{width:100%;height:76px;object-fit:cover;border-radius:6px;margin-bottom:7px}.mega-duration{color:var(--blue);font-size:11px}.mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}.mega-categories a{padding:4px 9px;background:var(--soft);border-radius:20px;color:var(--blue);font-size:12px}.mega-footer{display:block;border-top:1px solid var(--line);margin-top:14px;padding-top:12px;color:var(--blue);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}.account-entry{font-size:13px;color:var(--blue);white-space:nowrap}.open-account{padding:9px 15px;border-radius:7px;background:var(--blue);color:#fff;font-size:13px;font-weight:700;white-space:nowrap}.hamburger{display:none;border:0;background:transparent;padding:8px;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(4,13,26,.48);opacity:0;visibility:hidden;transition:.2s;z-index:40}.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:41}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;gap:15px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head>a{margin-left:auto;color:var(--blue)}.drawer-close{border:0;background:none;font-size:27px;cursor:pointer}.drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;font-weight:650;cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--blue)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{max-height:0;overflow:hidden;transition:.25s;padding-left:14px}.drawer-submenu.open{max-height:600px;padding-top:5px;padding-bottom:6px}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .footer{background:#0d1728;color:#bdc9d8;margin-top:70px}.footer-main{padding:55px 0 45px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:42px}.footer .logo{color:#fff}.footer-brand p{max-width:340px;color:#9eafc3;font-size:13px}.footer h3{margin:0 0 16px;color:#fff;font-size:15px}.footer-links{display:grid;gap:9px;font-size:13px}.footer-links a:hover{color:#fff}.footer-contact{display:grid;gap:5px;font-size:13px}.footer-social{margin-top:16px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:17px 0;font-size:12px}.footer-bottom-inner{display:flex;justify-content:space-between;gap:20px}
    .ea-content-stack{padding:58px 0 70px;background:linear-gradient(180deg,#f7faff 0,#fff 360px)}.product-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:25px}.product-breadcrumb a{color:var(--blue)}.product-head{display:grid;grid-template-columns:minmax(250px,390px) 1fr;gap:52px;align-items:center;padding:34px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.product-cover{height:285px;border-radius:15px;background:#f0f5fb;display:grid;place-items:center;overflow:hidden}.product-cover img{width:100%;height:100%;object-fit:contain}.product-title{margin:0 0 13px;font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.04em}.product-summary{color:var(--muted);font-size:16px;max-width:650px}.product-meta{display:flex;flex-wrap:wrap;gap:18px;margin:22px 0;color:var(--muted);font-size:13px}.product-meta strong{display:block;color:var(--ink);font-size:15px}.product-actions{display:flex;gap:12px;flex-wrap:wrap}.product-button{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:8px;background:var(--blue);color:#fff;font-weight:700}.product-button.secondary{background:#eaf0f8;color:var(--blue)}.product-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;margin-top:34px}.product-panel{min-width:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px}.product-panel h2{margin:0 0 18px;font-size:23px}.product-body{min-width:0;max-width:100%;overflow-x:auto;color:#35445a}.product-body img,.product-body video{max-width:100%;height:auto}.product-body table{max-width:100%;display:block;overflow-x:auto;border-collapse:collapse}.product-body a{color:var(--blue);text-decoration:underline}.product-side{align-self:start}.product-side h2{font-size:18px}.product-side-list{display:grid;gap:12px}.related-product{display:grid;grid-template-columns:66px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.related-product img{width:66px;height:55px;object-fit:cover;border-radius:7px;background:var(--soft)}.related-product strong{font-size:13px;line-height:1.4}.related-product small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.product-note{margin-top:18px;padding:15px;border-radius:10px;background:#f5f8fc;color:var(--muted);font-size:13px}
    @media(max-width:1120px){.main-nav{display:none}.hamburger{display:block}.header-btns{margin-left:auto}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-grid>div:last-child{display:none}}
    @media(max-width:760px){.container{width:min(100% - 28px,600px)}.topbar-inner{padding:8px 0;align-items:flex-start}.topbar-contact{gap:10px;flex-direction:column;text-align:right}.header-inner{height:68px;gap:10px}.account-entry{display:none}.open-account{padding:8px 11px}.ea-content-stack{padding:35px 0}.product-head{grid-template-columns:1fr;gap:25px;padding:20px}.product-cover{height:220px}.product-title{font-size:34px}.product-layout{grid-template-columns:1fr}.product-panel{padding:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom-inner{display:block}.footer-bottom-inner span{display:block;margin:4px 0}.mega-grid{grid-template-columns:1fr 1fr}}