:root{--theme:#0B3D91;--ink:#172033;--muted:#687386;--line:#e5e9f0;--soft:#f5f7fb;--white:#fff}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font-family:system-ui,-apple-system,"Noto Sans 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:auto}
    .topbar{background:#101827;color:#cbd5e1;font-size:13px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
    .topbar-contact{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{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:#14213d}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;height:78px;padding:0 13px;font-size:15px;font-weight:650}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#8b96a8}
    .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 #14213d1a;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu-wide{width:760px}
    .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-title,.mega-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:12px}
    .dropdown-title span,.mega-head strong{font-weight:800}.dropdown-title a,.mega-footer{color:var(--theme);font-size:13px}
    .dropdown-article{display:grid;grid-template-columns:58px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}
    .dropdown-article img{width:58px;height:42px;object-fit:cover;border-radius:6px}
    .mega-head{display:block}.mega-head span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{display:block;padding:11px;border:1px solid var(--line);border-radius:9px;font-size:12px;background:#fff}
    .mega-card:hover{border-color:#9eb5db;background:#f7faff}
    .mega-card-top{display:flex;align-items:center;gap:8px;min-height:30px}.mega-card-top img{width:28px;height:28px;object-fit:contain;border-radius:5px}
    .mega-card p{color:var(--muted);font-size:11px;margin:6px 0 0;line-height:1.5}
    .mega-stats{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:10px;margin-top:8px}
    .mega-video>img,.mega-product>img{width:100%;height:70px;object-fit:cover;border-radius:6px;margin-bottom:7px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}.mega-categories a{padding:4px 9px;background:var(--soft);border-radius:99px;font-size:12px}
    .mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line)}
    .header-btns{display:flex;align-items:center;gap:10px}.account-entry{font-size:13px;color:var(--theme);white-space:nowrap}.open-account{padding:9px 14px;border-radius:7px;background:var(--theme);color:#fff;font-size:13px}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;background:#172033;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{display:none;position:fixed;inset:0;background:#08111dcc;z-index:40}.drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:41;transform:translateX(100%);transition:.25s;overflow:auto;box-shadow:-12px 0 35px #0002}
    .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:750}.drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}.drawer-close{border:0;background:transparent;font-size:28px;cursor:pointer;color:#657087}
    .drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font-weight:650;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{background:#101827;color:#c5cfdd;margin-top:70px}.footer-main{padding:54px 0}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px}.footer .logo{color:#fff}.footer-brand p{max-width:360px;color:#9daabd;font-size:14px}.footer h3{color:#fff;font-size:15px;margin:0 0 16px}.footer-links{display:grid;gap:9px;font-size:13px;color:#aeb9c9}.footer-links a:hover{color:#fff}.footer-contact{display:grid;gap:4px;font-size:13px;color:#d6deea}.footer-social{margin-top:15px;color:#9daabd}.footer-bottom{border-top:1px solid #263246;padding:17px 0;color:#8e9aad;font-size:12px}.footer-bottom-inner{display:flex;justify-content:space-between;gap:20px}
    .article-page{padding:58px 0 10px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) 290px;gap:36px;align-items:start}
    .article-main,.article-aside{background:#fff;border:1px solid var(--line);border-radius:15px}.article-main{padding:clamp(24px,5vw,52px)}
    .article-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px}.article-breadcrumb a{color:var(--theme)}
    .article-title{font-size:clamp(30px,4vw,48px);line-height:1.25;letter-spacing:-.03em;margin:0 0 18px;color:#12203a}
    .article-meta{display:flex;flex-wrap:wrap;gap:15px;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);padding-bottom:22px}
    .article-cover{width:100%;max-height:430px;object-fit:cover;border-radius:10px;margin:28px 0}
    .article-content{min-width:0;max-width:100%;overflow-x:auto;font-size:16px;color:#344054}.article-content p{margin:0 0 1.3em}.article-content h2,.article-content h3{color:#162642;margin-top:1.8em}.article-content img,.article-content table{max-width:100%;height:auto}.article-content blockquote{margin:24px 0;padding:15px 20px;border-left:4px solid var(--theme);background:#f3f6fb;color:#506078}
    .article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}.article-tags a{font-size:13px;color:var(--theme);background:#edf3fc;border-radius:99px;padding:5px 11px}
    .article-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:35px;padding-top:22px;border-top:1px solid var(--line)}.article-nav a{display:block;padding:13px;background:var(--soft);border-radius:8px;font-size:14px}.article-nav a:last-child{text-align:right}
    .article-aside{padding:22px;position:sticky;top:20px}.article-aside h2{font-size:18px;margin:0 0 15px}.aside-list{display:grid;gap:12px}.aside-item{padding-bottom:12px;border-bottom:1px solid var(--line);font-size:14px}.aside-item small{display:block;color:var(--muted);margin-top:3px}
    .like-articles{margin-top:55px}.like-articles h2{font-size:24px}.like-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.like-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.like-card img{height:120px;width:100%;object-fit:cover}.like-card div{padding:12px;font-size:14px}.like-card small{display:block;color:var(--muted);margin-top:5px}
    @media(max-width:1120px){.main-nav{display:none}.hamburger{display:block}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{display:none}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;min-height:38px;gap:8px}.topbar-contact{gap:9px;font-size:11px}.header-inner{height:68px;gap:12px}.open-account{display:none}.account-entry{font-size:12px}.article-page{padding-top:28px}.article-layout{display:block}.article-main{padding:22px 17px}.article-aside{position:static;margin-top:18px}.article-title{font-size:31px}.article-nav{grid-template-columns:1fr}.article-nav a:last-child{text-align:left}.like-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{display:block}.footer-bottom-inner{display:block}.footer-bottom-inner span{display:block;margin:4px 0}.mega-menu,.dropdown-panel{display:none}}