/* 作者、章節導覽及延伸閱讀；沿用文章頁的白底與深藍綠。 */
.knowledge-page{--ks-ink:#0d4d5e;--ks-muted:#526a73;--ks-line:#cfddde;--ks-soft:#edf4f3;--ks-header:88px}
.knowledge-page .knowledge-reading{grid-template-columns:minmax(0,780px) 328px;justify-content:center;gap:64px;align-items:start}
.knowledge-page .knowledge-body :is(h2,h3){scroll-margin-top:0}
.knowledge-sidebar{position:sticky;top:var(--ks-sticky-top,calc(var(--ks-header) + 20px));min-width:0;color:var(--ks-ink)}
/* 目錄標題只在側欄自身層級停駐，低於網站導覽列的 z-index 1000。 */
@media(min-width:901px){.knowledge-sidebar .knowledge-sidebar-toc>summary{position:sticky;top:calc(var(--ks-header) + 20px);z-index:1;background:var(--paper,#fff)}}
.knowledge-sidebar *{box-sizing:border-box}
.knowledge-sidebar-author{border-bottom:1px solid var(--ks-line);padding-bottom:12px;margin-bottom:16px}
.knowledge-sidebar-person{display:grid;grid-template-columns:80px minmax(0,1fr);gap:18px;align-items:stretch}
.knowledge-sidebar-person img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center top;background:var(--paper,#fff)}
.knowledge-sidebar-person>a{position:relative;min-height:88px}
.knowledge-sidebar-person>div{min-width:0}
.knowledge-sidebar .knowledge-sidebar-name{display:inline-flex;align-items:center;font-size:24px;font-weight:500;line-height:1.7;letter-spacing:.04em;color:var(--ks-ink);text-decoration:none;min-height:44px}
.knowledge-sidebar-person p{font-size:15px;line-height:1.8;color:var(--ks-muted);margin:0}
.knowledge-sidebar-profile{display:inline-flex;gap:8px;align-items:center;min-height:44px;margin-top:8px;color:var(--ks-ink);font-size:16px;text-decoration:none}
.knowledge-sidebar .knowledge-sidebar-toc{margin:0;padding:0;border:0}
.knowledge-sidebar :is(.knowledge-sidebar-toc,.knowledge-sidebar-reading)>summary{color:var(--ks-ink);font-size:18px;line-height:1.7;min-height:44px;cursor:pointer}
.knowledge-sidebar summary>span{float:right;font-size:14px;font-weight:400;color:var(--ks-muted);margin-left:8px}
.knowledge-sidebar-progress{height:2px;margin:10px 0;background:var(--ks-soft);overflow:hidden}
.knowledge-sidebar-progress>span{display:block;width:0;height:100%;background:var(--ks-ink)}
.knowledge-sidebar #article-toc{max-height:none;overflow:visible;padding:0;border:0}
.knowledge-sidebar #article-toc a{position:relative;display:block;font-size:16px;line-height:1.75;color:var(--ks-muted);padding:10px 30px 10px 12px;min-height:48px;text-decoration:none;border-radius:3px;overflow-wrap:anywhere}
.knowledge-sidebar #article-toc a[data-level="3"]{font-size:16px;padding-left:24px}
.knowledge-sidebar #article-toc a[aria-current="location"]{color:var(--ks-ink);background:var(--ks-soft);font-weight:500}
.knowledge-sidebar-current{display:none;position:absolute;right:8px;top:50%;width:16px;height:16px;transform:translateY(-50%);fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.knowledge-sidebar a[aria-current="location"] .knowledge-sidebar-current{display:block}
.knowledge-sidebar-reading{border-top:1px solid var(--ks-line);margin-top:12px;padding-top:10px}
.knowledge-sidebar-reading nav.knowledge-related{border:0}
.knowledge-sidebar-reading nav a{display:block;min-height:44px;padding:12px 0;color:var(--ks-ink);font-size:16px;line-height:1.8;text-decoration:none;overflow-wrap:anywhere}
.knowledge-sidebar-reading nav a+a{border-top:1px solid var(--ks-line)}
.knowledge-sidebar a:hover{color:var(--ks-ink);text-decoration:underline;text-underline-offset:4px}
.knowledge-sidebar :is(a,summary,button):focus-visible{outline:2px solid var(--ks-ink);outline-offset:-2px}
.knowledge-footer-related{border-top:1px solid var(--ks-line);padding-top:28px;margin-top:32px}
.knowledge-footer-related h2{font-size:22px;line-height:1.7;margin:24px 0 12px;color:var(--ks-ink)}
.knowledge-footer-related>a{display:block;min-height:44px;padding:12px 0;color:var(--ks-ink);text-decoration:none;border-bottom:1px solid var(--ks-line);font-size:15px;line-height:1.85}
.knowledge-footer-related .renewal-topic-return p{font-size:13px;line-height:1.8;color:var(--ks-muted);margin:0 0 8px}
.knowledge-footer-related .renewal-topic-return a{color:var(--ks-ink);font-size:16px;line-height:1.8;display:inline-flex;align-items:center;min-height:44px}
@media(max-width:1150px) and (min-width:901px){.knowledge-page .knowledge-reading{grid-template-columns:minmax(0,1fr) 304px;gap:36px}}
@media(max-width:900px){.knowledge-page .knowledge-reading{display:flex;flex-direction:column;gap:24px}.knowledge-reading>article{width:100%}.knowledge-sidebar{order:-1;position:static;width:100%;overflow:visible}.knowledge-sidebar-author{padding-bottom:8px;margin-bottom:12px}.knowledge-sidebar .knowledge-sidebar-toc{border-bottom:1px solid var(--ks-line);padding-bottom:10px}.knowledge-sidebar-reading{display:none}.knowledge-body{margin-top:0}}
@media print{.knowledge-page .knowledge-reading{display:block}.knowledge-sidebar{display:none}}