:root{--bg:#EEF4FB;--panel:#FFFFFF;--ink:#14233A;--muted:#5A6B82;--line:#D3DFEE;--amber:#1F6FE5;--amber-ink:#FFFFFF;--amber-soft:#E5EFFD;
--f-body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0F1724;--panel:#172235;--ink:#E8EFF9;--muted:#9BACC4;--line:#2A3A52;--amber:#4C93FF;--amber-ink:#06142B;--amber-soft:#16294A;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.8 var(--f-body);padding:16px max(16px,env(safe-area-inset-right,0px)) 48px max(16px,env(safe-area-inset-left,0px))}
.wrap{max-width:820px;margin:0 auto}
a{color:var(--amber)}
.crumb{font-size:14px;color:var(--muted);margin:14px 0 6px}
.crumb a{color:var(--muted)}
.tag{display:inline-block;font-size:13px;font-weight:700;color:var(--amber-ink);background:var(--amber);padding:2px 10px;border-radius:4px}
h1{font-size:clamp(26px,4.4vw,38px);line-height:1.3;margin:10px 0 6px;text-wrap:balance}
.meta{color:var(--muted);font-size:14px;margin:0 0 18px}
article{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,40px)}
article h2{font-size:22px;margin:28px 0 8px;line-height:1.4}
article h2:first-child{margin-top:0}
article li{margin:4px 0}
.src{font-size:14px;color:var(--muted)}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px}
th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.cta{margin:24px 0 0;padding:20px;border-radius:16px;background:var(--amber-soft);display:grid;gap:10px}
.cta b{font-size:19px}
.cta a.btn{justify-self:start;background:var(--amber);color:var(--amber-ink);text-decoration:none;font-weight:700;padding:12px 22px;border-radius:10px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:16px}
.cards a{display:grid;gap:6px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel);color:var(--ink);text-decoration:none}
.cards a:hover{border-color:var(--amber)}
.cards small{color:var(--muted);font-size:14px;line-height:1.6}
.related{margin-top:24px}
.related h2{font-size:20px}
.topnav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line);margin-bottom:4px}
.tn-brand{font-weight:900;color:var(--ink);text-decoration:none;font-size:16px}
.tn-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--amber-ink);background:var(--amber);padding:6px 12px 6px 10px;border-radius:4px}
.tn-tag i{width:10px;height:10px;display:inline-block;background:repeating-linear-gradient(45deg,var(--amber-ink) 0 3px,transparent 3px 6px)}
.tn-links{display:flex;gap:6px;flex-wrap:wrap}
.tn-links a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:700;padding:6px 10px;border-radius:999px}
.tn-links a:hover{background:var(--amber-soft)}
.tn-links a.tn-cta{background:var(--amber);color:var(--amber-ink)}
.sitefoot{margin-top:32px;border-top:1px solid var(--line);padding-top:20px;font-size:14px}
.sf-in{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.sitefoot ul{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:6px}
.sitefoot a{color:var(--muted)}
.sf-copy{grid-column:1/-1;color:var(--muted);text-align:center;margin:8px 0 0}
.sf-promo{grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:12px;font-size:13px;color:var(--muted);margin:4px 0 0;padding:12px;border-top:1px dashed var(--line);line-height:1.8}
.sf-promo p{margin:0;max-width:30em}
.promo-img{flex:none;display:block;width:72px;border-radius:8px;overflow:hidden;box-shadow:0 4px 12px rgba(20,35,58,.18);transition:transform .2s}
.promo-img:hover{transform:translateY(-2px) scale(1.04)}
.promo-img img{display:block;width:100%;height:auto}
.sf-promo b{color:var(--ink)}
.sf-promo a.promo{color:var(--amber);font-weight:700;white-space:nowrap}
@media (max-width:600px){.topnav{flex-wrap:nowrap;gap:6px}.tn-tag{font-size:12px;letter-spacing:.02em;padding:5px 8px;gap:6px;white-space:nowrap}.tn-links{flex-wrap:nowrap;gap:2px}.tn-links a{font-size:13px;padding:5px 7px;white-space:nowrap}.tn-links a.tn-case{display:none}.sf-in{grid-template-columns:1fr}body.compact .tn-brand{display:none}body.compact .topnav{padding:6px 0}}