:root{font-family:system-ui,-apple-system,"Noto Sans TC",sans-serif;color:#162a32;background:#f7f9fa;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;line-height:1.7}
a{color:#087487;text-underline-offset:.18em}
a:hover{color:#064e5b}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #087487;outline-offset:3px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1rem max(24px,calc((100vw - 1120px)/2));background:#fff}
.brand{font-size:1.3rem;font-weight:750;text-decoration:none;color:#162a32;white-space:nowrap}
.site-header nav{display:flex;gap:1.5rem;flex-wrap:wrap}
.site-header nav a{text-decoration:none;font-weight:650}
.kb-index,.kb-article{max-width:1120px;margin:auto;padding:52px 24px 100px}
.intro{max-width:740px;margin-bottom:40px}
h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
h1{font-size:clamp(2.25rem,4vw,3.75rem);margin:0 0 18px}
.intro p{font-size:1.2rem;margin:0}
.search{display:flex;align-items:end;gap:12px;max-width:700px;margin-bottom:34px}
.search label{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
.search input{flex:1;min-width:0;padding:13px 15px;font:inherit;border:2px solid #c9d5da;background:#fff;border-radius:3px}
.search button{border:0;padding:15px 25px;font:inherit;font-weight:700;color:white;background:#087487;cursor:pointer;border-radius:3px}
.categories{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.categories a{padding:7px 12px;background:#e3eef0;text-decoration:none;color:#17444d}
.result-count{font-weight:700;margin:0 0 12px}
.article-list{max-width:850px}
.list-item{padding:28px 0 30px;border-bottom:2px solid #d9e2e5}
.item-meta{display:flex;gap:18px;flex-wrap:wrap;color:#43616b;font-size:.9rem;font-weight:650}
.list-item h2{font-size:clamp(1.35rem,2vw,1.75rem);margin:9px 0}
.list-item h2 a{text-decoration:none;color:#143b46}
.list-item h2 a:hover{text-decoration:underline}
.list-item p{margin:0;color:#344d55}
.empty{padding:26px 0}
.kb-article{max-width:800px}
.breadcrumb{font-size:.92rem;margin-bottom:24px}
.breadcrumb span{padding:0 8px;color:#637981}
.kb-article h1{font-size:clamp(2.1rem,3.8vw,3.25rem)}
.article-dates{display:flex;gap:20px;flex-wrap:wrap;color:#49636c;font-size:.9rem;margin-bottom:34px}
.lead{font-size:1.18rem;line-height:1.8;margin:0 0 54px}
.kb-article section{margin:0 0 50px}
.kb-article h2,.related h2{font-size:1.55rem;margin:0 0 18px}
.kb-article h3{font-size:1.13rem;margin:28px 0 8px}
.kb-article p{margin-top:0}
.kb-article li{padding-left:4px;margin-bottom:13px}
.kb-article ol,.kb-article ul{padding-left:1.5em}
.sources{background:#e7f0f1;padding:24px 28px}
.sources li{overflow-wrap:anywhere}
.article-note{font-size:.9rem;color:#49636c}
.related{padding:28px;background:#e7f0f1;margin:50px 0}
.related li{margin-bottom:9px}
.back-link{margin-top:54px}
footer{background:#183640;color:#fff;padding:34px max(24px,calc((100vw - 1120px)/2));display:flex;gap:18px;flex-wrap:wrap}
footer a{font-weight:750;color:#fff}
@media(max-width:640px){.site-header{align-items:flex-start;flex-direction:column;gap:8px}.site-header nav{gap:14px}.kb-index,.kb-article{padding:35px 20px 80px}.search{gap:8px}.search button{padding:15px}.lead{font-size:1.08rem}.sources{padding:20px}.article-dates{gap:6px 14px}}
.kb-article .article-contact{display:inline-block;font-size:13px;font-weight:700;line-height:1.4;white-space:nowrap;color:#fff;background:#06c755;border:1px solid #06c755;border-radius:20px;padding:6px 14px;text-decoration:none}
.kb-article .article-contact span{display:block;text-align:center}
.kb-article .article-contact:hover{background:#05a847;border-color:#05a847}
.kb-article .article-contact:focus-visible{outline:2px solid #06c755;outline-offset:2px}
@media (min-width:768px){.kb-article .article-title{padding-right:150px}.kb-article .article-dates{position:relative}.kb-article .article-contact-row{position:absolute;right:0;bottom:100%}}
@media (max-width:767px){.kb-article .article-dates{display:flex;flex-wrap:wrap;align-items:center}.kb-article .article-contact-row{flex:0 0 100%;margin-top:12px}}
.kb-article .article-contact-bottom{text-align:center;margin:28px 0 32px}
.kb-index .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:none}.kb-index .list-item{position:relative;min-width:0;padding:24px;border:1px solid #d9e2e5;border-radius:10px;background:#fff;display:flex;flex-direction:column}.kb-index .list-item:hover,.kb-index .list-item:focus-within{border-color:#087487;box-shadow:0 4px 18px rgba(20,59,70,.12)}.kb-index .list-item:focus-within{outline:2px solid #087487;outline-offset:2px}.kb-index .list-item h2{overflow-wrap:anywhere}.kb-index .list-item h2 a::after{content:"";position:absolute;inset:0}.kb-index .list-item p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden}.kb-index .group-label{padding:2px 8px;border-radius:3px;background:#e3eef0;color:#17444d}.kb-index .categories a[aria-current="page"]{background:#087487;color:#fff;font-weight:700}.kb-index .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:32px 0}.kb-index .pagination a,.kb-index .pagination span{min-width:40px;padding:8px 12px;text-align:center;border:1px solid #c9d5da;border-radius:3px;text-decoration:none;color:#17444d}.kb-index .pagination [aria-current="page"]{background:#087487;border-color:#087487;color:#fff;font-weight:700}.kb-index .pagination .disabled{color:#71868c}@media(max-width:900px){.kb-index .article-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.kb-index .article-list{grid-template-columns:1fr}}
.kb-article .article-topbar{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;margin-bottom:24px}.kb-article .article-topbar .breadcrumb{margin:0 0 0 auto;text-align:right}.kb-article .back-button{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border:1px solid #087487;border-radius:12px;background:#fff;color:#087487;font-weight:700;text-decoration:none;line-height:1.3}.kb-article .back-button:hover{background:#087487;color:#fff}.kb-article .back-button:focus-visible{outline:3px solid #087487;outline-offset:3px}.kb-article .back-link{text-align:center}
.article-figure { width: 100%; max-width: 480px; margin: 0 auto 1.5rem; }
.article-figure img { display: block; width: 100%; height: auto; border-radius: 12px; }
.list-item .item-image { display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.list-item .item-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.kb-index .list-item .item-image{margin:-24px -24px 16px;border-radius:10px 10px 0 0}
.kb-index .back-button{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border:1px solid #087487;border-radius:12px;background:#fff;color:#087487;font-weight:700;text-decoration:none;line-height:1.3}
.kb-index .back-button:hover{background:#087487;color:#fff}
.kb-index .back-button:focus-visible{outline:3px solid #087487;outline-offset:3px}
.kb-article .topbar-actions,.kb-article .back-link{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.kb-article .back-link{justify-content:center}
.kb-index .index-topbar{display:flex;margin-bottom:24px}
.kb-index .index-bottom{display:flex;justify-content:center;margin-top:24px}