/* Q73：僅限新頁面；沿用原站品牌與共用樣式。 */
.q73{--ink:#173452;--muted:#4b6073;--blue:#0b2d62;--teal:#126663;color:var(--ink);background:#f6f8fb;padding-bottom:48px}
.q73 *{box-sizing:border-box}.q73 a{color:#0b4a83;text-underline-offset:.22em}.q73 a:focus-visible,.q73 summary:focus-visible,.q73 input:focus-visible,.q73 select:focus-visible,.q73 textarea:focus-visible{outline:3px solid #b86600;outline-offset:4px}
.q73 .q73-shell{width:min(1160px,calc(100% - 48px));margin:auto}.q73 .q73-crumbs{padding:24px 0 16px;font-size:14px;display:flex;gap:8px;flex-wrap:wrap;color:var(--muted)}
.q73 .q73-hero{padding:28px 0 40px}.q73 .q73-kicker{font-size:14px;font-weight:800;color:var(--teal);letter-spacing:.08em;margin:0 0 14px}.q73 h1{max-width:980px;color:var(--blue);font-size:clamp(30px,3.4vw,48px);line-height:1.4;letter-spacing:-.02em;margin:0 0 24px;text-wrap:pretty}.q73 .q73-intro{font-size:18px;line-height:1.9;max-width:900px;color:var(--muted)}
.q73 .q73-answer{border-left:4px solid var(--teal);background:#eaf4f3;border-radius:0 14px 14px 0;padding:20px 24px;max-width:960px}.q73 .q73-answer p{margin:6px 0 0;font-size:19px;line-height:1.85}.q73 .q73-answer b{font-size:13px;letter-spacing:.08em;color:#105451}.q73 .q73-meta{color:var(--muted);font-size:14px;margin-top:18px;line-height:1.8}
.q73 .q73-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;align-items:start}.q73 .q73-body{min-width:0;background:#fff;border:1px solid #dce5ed;border-radius:20px;padding:32px 36px}.q73 .q73-body section+section{margin-top:42px}.q73 h2{font-size:26px;line-height:1.5;color:var(--blue);margin:0 0 18px;scroll-margin-top:110px}.q73 h3{font-size:21px;line-height:1.6}.q73 p,.q73 li{font-size:17px;line-height:1.95}.q73 p{margin:0 0 16px}.q73 li+li{margin-top:10px}.q73 ul,.q73 ol{padding-left:1.5em;margin:0 0 16px}
.q73 .q73-rail{padding:22px;border:1px solid #dce5ed;background:white;border-radius:18px}.q73 .q73-rail h2{font-size:17px}.q73 .q73-rail ol{padding-left:1.2em}.q73 .q73-rail li,.q73 .q73-rail a{font-size:14px;line-height:1.8}.q73 .q73-rail small{display:block;color:var(--muted);font-size:13px;line-height:1.8}
.q73 .q73-table-wrap{overflow-x:auto;max-width:100%;border:1px solid #dce5ed;border-radius:12px;margin:20px 0}.q73 table{border-collapse:collapse;width:100%;min-width:0;font-size:15px;line-height:1.85}.q73 caption{text-align:left;padding:12px 16px;background:#f0f5fa;font-weight:700;color:var(--blue)}.q73 th,.q73 td{padding:14px;text-align:left;vertical-align:top;border-bottom:1px solid #dce5ed;overflow-wrap:anywhere}.q73 thead th{background:#edf3f8}.q73 tbody th{min-width:76px;font-weight:700}.q73 tbody tr:last-child>*{border-bottom:0}
.q73 .q73-case{background:#edf3f8;border-radius:16px;padding:24px;margin-top:36px}.q73 .q73-photos{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.q73 figure{margin:0;min-width:0}.q73 figure img{width:100%;height:260px;object-fit:contain;display:block;background:#e1e8ef;border-radius:12px}.q73 figcaption{font-size:13px;line-height:1.8;margin-top:8px;color:var(--muted)}
.q73 .q73-notice{background:#fff4e5;border:1px solid #e9c78f;border-radius:12px;padding:18px 20px;margin-top:28px}.q73 .q73-notice p{font-size:15px;margin:0}.q73 details{border:1px solid #dce5ed;border-radius:12px;padding:0 18px;margin:12px 0;background:white}.q73 summary{cursor:pointer;font-size:17px;font-weight:700;line-height:1.8;padding:16px 0}.q73 details p{font-size:16px;padding-bottom:8px}.q73 .q73-faq{margin-top:40px}
.q73 .q73-topics{display:grid;grid-template-columns:1fr 1fr;gap:16px}.q73 .q73-topic{border:1px solid #dce5ed;border-radius:14px;padding:20px;text-decoration:none;background:#fff;display:flex;flex-direction:column;gap:12px;min-width:0;transition:border-color .15s}.q73 .q73-topic:hover{border-color:#126663}.q73 .q73-topic-number{color:var(--teal);font-size:13px;font-weight:800}.q73 .q73-topic strong{font-size:18px;line-height:1.7}.q73 .q73-topic>span:last-child{font-size:14px;color:var(--muted);line-height:1.9}
.q73 .q73-subscription{padding:28px;background:var(--blue);border-radius:16px;color:#fff;margin-top:32px}.q73 .q73-subscription h2{color:#fff;font-size:24px}.q73 .q73-subscription p{font-size:16px;color:#f1f5fa}.q73 .q73-button{display:inline-block;min-height:46px;padding:12px 22px;border-radius:10px;background:#fff;color:#0b2d62;font-weight:800;text-decoration:none;line-height:1.6}.q73 .q73-related{margin-top:32px}.q73 .q73-related a{display:block;padding:12px 0;line-height:1.8}.q73 .q73-source{font-size:14px;color:var(--muted);border-top:1px solid #dce5ed;padding-top:24px;margin-top:32px}.q73 .q73-source p{font-size:14px}
.q73-footer{background:#0b2d62;color:#eef4fa;padding:30px 24px}.q73-footer>div{max-width:1160px;margin:auto;line-height:1.9}.q73-footer a{color:white;margin-right:20px;display:inline-block;padding:10px 0}.q73-footer p{font-size:14px}.q73-preview-note{padding:14px 24px;background:#fff1ce;color:#493b15;font:14px/1.8 'Microsoft JhengHei',sans-serif;border-bottom:1px solid #e7c970}
@media(min-width:1000px){.q73 .q73-rail{position:sticky;top:110px}}
@media(max-width:999px){.q73 .q73-layout{grid-template-columns:1fr}.q73 .q73-rail{grid-row:1}.q73 .q73-rail ol{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.q73 .q73-rail li+li{margin-top:0}}
@media(max-width:600px){.q73 .q73-shell{width:calc(100% - 28px)}.q73 .q73-hero{padding-top:18px}.q73 .q73-body{padding:24px 18px;border-radius:16px}.q73 .q73-answer{padding:16px 18px}.q73 .q73-answer p{font-size:17px}.q73 h1{font-size:30px}.q73 h2{font-size:23px}.q73 .q73-topics,.q73 .q73-photos{grid-template-columns:1fr}.q73 figure img{height:240px}.q73 .q73-case,.q73 .q73-subscription{padding:20px 16px}.q73 th,.q73 td{padding:10px;font-size:14px}.q73 .q73-rail ol{grid-template-columns:1fr}.q73 .q73-intro{font-size:17px}.q73 .q73-rail{padding:20px}.q73 table{min-width:0}}
@media(prefers-reduced-motion:reduce){.q73 *{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.q73-rail,.q73-subscription,.q73-footer,.q73-preview-note{display:none!important}.q73{background:#fff}.q73 .q73-layout{display:block}.q73 .q73-body{padding:0;border:0}.q73 details{break-inside:avoid}.q73 details p{display:block}.q73 a{color:#000}}
.site-header .mobile-panel[hidden]{display:none!important}.site-header .mobile-panel.is-open{display:block!important}.site-header .mobile-panel-actions{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:600px){.q73 .q73-table-wrap table,.q73 .q73-table-wrap caption,.q73 .q73-table-wrap tbody,.q73 .q73-table-wrap tr{display:block;width:100%}.q73 .q73-table-wrap thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.q73 .q73-table-wrap tbody th{display:block;width:100%;background:#edf3f8;font-size:17px;padding:14px;overflow-wrap:normal;word-break:normal}.q73 .q73-table-wrap td{display:block;width:100%;font-size:15px;line-height:1.9;padding:12px 14px;border-bottom:0;overflow-wrap:break-word}.q73 .q73-table-wrap td::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:#4b6073;margin-bottom:4px}.q73 .q73-table-wrap tbody tr+tr{border-top:1px solid #dce5ed}.q73 .q73-table-wrap tbody tr{padding-bottom:8px}}.q73 section[id],.q73 aside[id]{scroll-margin-top:110px}