:root{
  --brand:#E8720C; --brand-d:#C25E08; --brand-l:#FDEBDC;
  --bg:#FAF6F0; --card:#FFFFFF; --ink:#3B2A22; --mute:#8A7568; --line:#EADFD4;
  --plum:#5B2A45; --rose:#B5485E; --blue:#4A6A8A; --tint:#F3ECE4;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#1E1917; --card:#29221F; --ink:#F2E8E0; --mute:#B09E92; --line:#3E3430; --brand-l:#3A2718; --tint:#332A26;
}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif}
a{color:var(--brand-d)} @media (prefers-color-scheme: dark){a{color:#F4A259}}
header.top{position:sticky;top:0;z-index:5;background:var(--brand);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:12px}
header.top .logo{font-weight:700;font-size:18px;letter-spacing:.5px}
header.top .sp{flex:1}
header.top .who{font-size:13px;opacity:.95;text-align:right;line-height:1.3}
header.top button.link{background:none;border:1px solid rgba(255,255,255,.6);color:#fff;border-radius:999px;padding:3px 10px;font-size:13px;cursor:pointer}
main{max-width:860px;margin:0 auto;padding:16px}
.tabs{display:flex;gap:8px;margin-bottom:14px}
.tabs button{flex:1;padding:10px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:15px;cursor:pointer}
.tabs button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
.muted{color:var(--mute);font-size:14px}
.row{display:flex;gap:8px;align-items:center}
input[type=text],input[type=email],input[type=number],textarea,select{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
textarea{resize:vertical;min-height:52px}
button.pri{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
button.pri:disabled{opacity:.5;cursor:default}
button.sec{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px 14px;font:inherit;cursor:pointer;white-space:nowrap}
.chat{display:flex;flex-direction:column;gap:12px;min-height:40vh}
.msg{max-width:92%;padding:10px 14px;border-radius:14px;word-break:break-word}
.msg.u{align-self:flex-end;background:var(--brand-l);border:1px solid #F3C9A4}
.msg.a{align-self:flex-start;background:var(--card);border:1px solid var(--line)}
.msg.a.hand{border-color:var(--rose)}
.msg p{margin:.3em 0}.msg ul,.msg ol{margin:.3em 0;padding-left:1.3em}.msg h4{margin:.5em 0 .2em}
.msg code{background:var(--tint);padding:0 4px;border-radius:4px}
.typing{color:var(--mute);font-size:14px}
.composer{position:sticky;bottom:0;background:var(--bg);padding:10px 0 14px;display:flex;gap:8px;align-items:flex-end}
.shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:8px}
.shot{border:1px solid var(--line);background:var(--tint);border-radius:10px;padding:4px;cursor:zoom-in;text-align:left;color:var(--ink)}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:7px;display:block}
.shot span{display:block;font-size:12px;padding:3px 2px 0;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#lightbox{position:fixed;inset:0;background:rgba(20,12,10,.88);z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}
#lightbox[hidden]{display:none}
#lightbox img{max-width:100%;max-height:84vh;border-radius:8px;background:#fff}
#lightbox .cap{color:#fff;margin-top:8px;font-size:14px}
.res{border-top:1px solid var(--line);padding:12px 0}
.res:first-child{border-top:0}
.res .h{font-weight:600}
.res .t{font-size:14px;max-height:9.5em;overflow:hidden;position:relative}
.res.open .t{max-height:none}
.res .more{font-size:13px;background:none;border:0;color:var(--brand-d);cursor:pointer;padding:4px 0}
.pill{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;background:var(--tint);color:var(--mute)}
.pill.ok{background:#E3ECF5;color:var(--blue)}.pill.q{background:#F1E6F0;color:var(--plum)}.pill.no{background:#F8E1E5;color:var(--rose)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
th{color:var(--mute);font-weight:600;white-space:nowrap}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.kpi{background:var(--tint);border-radius:12px;padding:12px}
.kpi b{display:block;font-size:24px}
.kpi span{font-size:13px;color:var(--mute)}
.switch{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.center{text-align:center}
footer{max-width:860px;margin:10px auto 30px;padding:0 16px;color:var(--mute);font-size:12px;text-align:center}
@media (max-width:600px){main{padding:12px}.msg{max-width:100%}header.top .logo{font-size:16px}}