/* LINE 備份後台：淺色 / 深色自動跟隨系統；CSP 不允許 inline style，所有樣式都在這裡 */
:root{
  --bg:#f4f6f9;--surface:#fff;--surface2:#f0f3f7;--line:#e3e8ef;--text:#18202b;--muted:#6a7787;
  --brand:#06b350;--brand-ink:#fff;--brand-soft:#e3f7ec;--link:#0b6bcb;
  --red:#d92d20;--red-soft:#fdecea;--green:#0e8a3d;--green-soft:#e3f7ec;--amber:#a15c00;--amber-soft:#fff3d6;--blue:#1a5fd0;--blue-soft:#e6efff;--gray-soft:#eceff3;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);--r:14px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0c1016;--surface:#151b23;--surface2:#1b232d;--line:#263140;--text:#e8edf3;--muted:#8b9aad;
  --brand:#1fcf6b;--brand-ink:#04210f;--brand-soft:#12301f;--link:#6cb6ff;
  --red:#ff6b61;--red-soft:#3a1a1a;--green:#43d17b;--green-soft:#12301f;--amber:#f0b44a;--amber-soft:#35290e;--blue:#7fb0ff;--blue-soft:#14284a;--gray-soft:#222c38;
  --shadow:none;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:24px;line-height:1.3;margin:0;font-weight:700;letter-spacing:-.01em}
h2{font-size:15px;margin:0 0 14px;font-weight:650;color:var(--text);display:flex;align-items:center;gap:8px}
p{margin:.4em 0}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
pre{background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow:auto;margin:10px 0;letter-spacing:.04em}
.muted{color:var(--muted)}.small{font-size:12.5px}.grow{flex:1;min-width:0}.nowrap{white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.i{width:20px;height:20px;flex:none}

/* ---------- 外框：桌機側欄，手機底部分頁列 ---------- */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:8px;padding:18px 14px;background:var(--surface);border-right:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;font-size:15px}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--brand-ink)}
.side nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:500}
.side nav a:hover{background:var(--surface2);color:var(--text);text-decoration:none}
.side nav a.on{background:var(--brand-soft);color:var(--green);font-weight:650}
.me{display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line);margin:0}
.ghost{background:none;border:0;color:var(--muted);padding:6px;border-radius:8px;cursor:pointer;display:grid;place-items:center}
.ghost:hover{background:var(--surface2);color:var(--text)}
main{max-width:1000px;width:100%;margin:0 auto;padding:30px 28px 60px}
main.bare{max-width:none;padding:0}
.narrow{max-width:560px;margin:0 auto}

/* ---------- 頁首 ---------- */
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.pagehead .sub{color:var(--muted);margin:4px 0 0}
.crumb{margin:0 0 8px;font-size:13.5px}

/* ---------- 卡片、清單 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:0 0 16px;box-shadow:var(--shadow)}
.card.flush{padding:0;overflow:hidden}
.card.scroll{overflow:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:16px}
.grid .card{margin:0}
.stat{display:flex;align-items:center;gap:14px}
.stat .ico{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--green)}
.stat .num{font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px;align-items:start}
.cols .card{margin:0}
.list{list-style:none;margin:0;padding:0}
.list>li+li{border-top:1px solid var(--line)}
.row{display:flex;align-items:center;gap:12px;padding:11px 4px;color:inherit}
a.row:hover{background:var(--surface2);text-decoration:none}
.card.flush .row{padding:14px 20px}
.row.big{padding:14px 20px}
.row .right{display:flex;flex-direction:column;align-items:flex-end;gap:2px}
.preview{display:block;color:var(--muted);font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.more{margin:10px 0 0;text-align:right;font-size:13.5px}
.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:34px 12px;color:var(--muted);text-align:center}
.empty .i{width:34px;height:34px;opacity:.6}

/* ---------- 頭像、標籤、狀態 ---------- */
.av{display:inline-grid;place-items:center;flex:none;width:38px;height:38px;border-radius:50%;font-weight:650;font-size:15px;color:#fff;background:#6b7a90}
.av.lg{width:46px;height:46px;font-size:17px}.av.sm{width:30px;height:30px;font-size:13px}
.av0{background:#e0654f}.av1{background:#e08a2e}.av2{background:#3a9d6b}.av3{background:#2f8fb0}.av4{background:#4f6fd6}.av5{background:#8a5cc7}.av6{background:#c2579a}.av7{background:#6b7a90}
.badge{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;background:var(--gray-soft);color:var(--muted);vertical-align:middle}
.badge.green{background:var(--green-soft);color:var(--green)}.badge.red{background:var(--red-soft);color:var(--red)}
.badge.amber{background:var(--amber-soft);color:var(--amber)}.badge.blue{background:var(--blue-soft);color:var(--blue)}
.status{display:flex;align-items:center;gap:10px;padding:11px 16px;border-radius:12px;margin-bottom:16px;font-size:14px;border:1px solid transparent}
.status .dot{width:9px;height:9px;border-radius:50%;background:currentColor;flex:none}
.status.good{background:var(--green-soft);color:var(--green)}.status.warn{background:var(--amber-soft);color:var(--amber)}.status.bad{background:var(--red-soft);color:var(--red)}
.alert{padding:11px 16px;border-radius:12px;margin:0 0 16px;font-size:14px}
.alert.err{background:var(--red-soft);color:var(--red)}.alert.ok{background:var(--green-soft);color:var(--green)}

/* ---------- 表單、按鈕 ---------- */
label{display:block;font-size:13.5px;font-weight:600;color:var(--muted);margin-bottom:14px}
input{display:block;width:100%;margin-top:6px;padding:10px 12px;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:10px;outline:none}
input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
button,.btn{font:inherit;font-weight:600;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer;display:inline-block}
button:hover,.btn:hover{background:var(--surface2);text-decoration:none}
.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.primary:hover{background:var(--brand);filter:brightness(1.07)}
.danger{background:var(--red-soft);border-color:transparent;color:var(--red)}.danger:hover{background:var(--red-soft);filter:brightness(.96)}
.wide{width:100%;padding:11px}
.hint{font-size:12.5px;color:var(--muted);margin:-4px 0 14px}
button.ghost{border:0;background:none;padding:6px;font-weight:400}
.search{position:relative;display:flex;align-items:center;margin:0}
.search .i{position:absolute;left:12px;width:17px;height:17px;color:var(--muted)}
.search input{margin:0;padding-left:36px;width:260px;border-radius:999px;background:var(--surface)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:0}
.kv dt{color:var(--muted)}.kv dd{margin:0}

/* ---------- 登入 ---------- */
.login{max-width:400px;margin:0 auto;padding:9vh 20px 40px;text-align:center}
.login .logo{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 14px;border-radius:16px;background:var(--brand);color:var(--brand-ink)}
.login .logo .i{width:30px;height:30px}
.login .sub{color:var(--muted);margin:6px 0 22px}
.login .card{text-align:left;padding:24px}
.login .foot{font-size:12.5px;margin-top:18px}
.step{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-size:13px}
.qr{display:flex;justify-content:center;margin:12px 0}.qr svg{border-radius:12px;border:1px solid var(--line);max-width:100%;height:auto}

/* ---------- 聊天（LINE 風格）---------- */
:root{--chatbg:#e6ecf4;--bub-o:#fff;--bub-o-ink:#18202b;--bub-me:#8ce16b;--bub-me-ink:#10250a;--hl:#f5b400;--hl-soft:rgba(245,180,0,.22);--qbar:#06b350}
@media (prefers-color-scheme:dark){:root{--chatbg:#0f151c;--bub-o:#2a3441;--bub-o-ink:#e8edf3;--bub-me:#2b8a4b;--bub-me-ink:#fff;--hl:#f0b44a;--hl-soft:rgba(240,180,74,.25);--qbar:#7be3a4}}
.card.chat{padding:6px 14px 18px;background:var(--chatbg);border-color:transparent}
.chat-top{text-align:center;padding:6px 0 0}
.daysep{display:flex;justify-content:center;margin:18px 0 8px}
.daysep span{font-size:12px;color:#fff;background:rgba(80,96,120,.55);padding:2px 12px;border-radius:999px}
.msg{display:flex;gap:8px;align-items:flex-start;padding:2px 0;border-radius:12px;scroll-margin-top:96px}
.msg.first{margin-top:10px}
.msg.me{justify-content:flex-end}
.av-gap{width:38px;flex:none}
.msg .body{display:flex;flex-direction:column;max-width:min(560px,78%);min-width:0}
.msg.me .body{align-items:flex-end}
.who b{font-size:12.5px;color:var(--muted);font-weight:600}
.line{display:flex;align-items:flex-end;gap:6px;min-width:0}
.msg.me .line{flex-direction:row-reverse}
.line time{flex:none;font-size:11px;line-height:1.2;padding-bottom:2px;white-space:nowrap}
.bub{display:flex;flex-direction:column;gap:4px;min-width:0;max-width:100%;word-break:break-word}
.bub.bubble,.bub .bubble{background:var(--bub-o);color:var(--bub-o-ink);padding:8px 12px;border-radius:16px}
.msg.me .bub.bubble,.msg.me .bub .bubble{background:var(--bub-me);color:var(--bub-me-ink)}
.msg.first.other .bub.bubble{border-top-left-radius:4px}
.msg.first.me .bub.bubble{border-top-right-radius:4px}
.txt{white-space:pre-wrap}
.txt a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.bub .imglink{display:block;line-height:0}
.bub img{display:block;max-width:100%;width:260px;aspect-ratio:4/3;object-fit:cover;border-radius:12px;background:var(--surface2)}
.bub.recalled .bubble,.bub.recalled.bubble{border:1px dashed var(--amber)}
.bub.recalled .txt{color:var(--muted)}
.tag{display:block;font-size:11.5px;color:var(--amber);font-weight:600}
.sticker{display:flex;flex-direction:column;align-items:center;gap:4px;width:112px;padding:12px 8px;border-radius:18px;background:var(--surface);color:var(--green);font-size:13px;font-weight:600;text-align:center}
.sticker .i{width:56px;height:56px;stroke-width:1.5}
.stk{display:block;max-width:150px;max-height:150px;width:auto;height:auto}
.media-card,.linkcard{display:flex;align-items:center;gap:10px;min-width:210px;max-width:320px;padding:10px 12px;border-radius:14px;background:var(--surface);color:var(--text);border:1px solid var(--line)}
.media-card .grow,.linkcard .grow,.mlink .grow{display:flex;flex-direction:column;min-width:0}
.media-card b,.linkcard b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mc-ico{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--green);flex:none}
.mc-ico.play{border-radius:50%;background:var(--blue-soft);color:var(--blue)}
.linkcard{margin-top:6px;background:rgba(255,255,255,.55);color:inherit;text-decoration:none;border-color:rgba(0,0,0,.08)}
@media (prefers-color-scheme:dark){.linkcard{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}}
.linkcard:hover{text-decoration:none;filter:brightness(.97)}
.voice{display:flex;align-items:center;gap:10px;min-width:160px}
.wave{display:inline-flex;align-items:center;gap:3px;flex:1}
.wave i{display:block;width:3px;border-radius:2px;background:currentColor;opacity:.55;height:8px}
.wave i:nth-child(2){height:14px}.wave i:nth-child(3){height:20px}.wave i:nth-child(4){height:12px}.wave i:nth-child(5){height:18px}.wave i:nth-child(6){height:10px}.wave i:nth-child(7){height:6px}
.voice a{color:inherit;text-decoration:underline}
/* 回覆引用 */
.quote{display:flex;align-items:center;gap:8px;min-width:150px;max-width:100%;margin:0 0 6px;padding:5px 9px;border-left:3px solid var(--qbar);border-radius:6px 10px 10px 6px;background:rgba(0,0,0,.07);color:inherit;font-size:13px;line-height:1.4;text-decoration:none}
.quote:hover{background:rgba(0,0,0,.13);text-decoration:none}
.bub .bubble.qwrap{padding:6px 8px}.qwrap .quote{margin:0}
.quote>.i{width:15px;height:15px;opacity:.6}
.qbody{display:flex;flex-direction:column;min-width:0;flex:1}
.qname{font-weight:650;font-size:12.5px}
.qtext{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;opacity:.85;white-space:normal}
.qtype{font-weight:600}
.qthumb{width:38px;height:38px;object-fit:cover;border-radius:6px;flex:none}
.bub .qthumb{width:38px}
.quote.gone{color:var(--muted);font-style:italic;border-left-color:var(--line)}
/* 跳轉目標短暫高亮（純 CSS :target，不需要 JS） */
.msg:target{animation:hlflash 2.6s ease-out}
@keyframes hlflash{0%,55%{background:var(--hl-soft);box-shadow:0 0 0 4px var(--hl-soft)}100%{background:transparent;box-shadow:0 0 0 4px transparent}}
@media (prefers-reduced-motion:reduce){.msg:target{animation:none;background:var(--hl-soft)}}
.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}
.tabs{display:flex;gap:6px;margin:0 0 14px;border-bottom:1px solid var(--line)}
.tabs a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{text-decoration:none;color:var(--text)}
.tabs a.on{color:var(--green);border-bottom-color:var(--brand)}
.tabs .i{width:17px;height:17px}

/* ---------- 相簿、記事本、表格 ---------- */
.grid.albums{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.album{display:flex;flex-direction:column;gap:4px;padding:14px}
.album .small{display:flex;align-items:center;gap:4px}
.album .small .i{width:13px;height:13px}
.cover{position:relative;display:grid;place-items:center;height:140px;border-radius:10px;background:var(--surface2);color:var(--muted);margin-bottom:8px;overflow:hidden}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover .cnt{position:absolute;right:8px;bottom:8px;padding:1px 9px;border-radius:999px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;font-weight:600}
.cover .i{width:36px;height:36px;opacity:.6}
.note p{margin:10px 0 0;white-space:pre-wrap}
.note-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse}
th{font-size:12.5px;color:var(--muted);font-weight:600;text-align:left;background:var(--surface2)}
th,td{padding:11px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--surface2)}

/* ---------- 組織、我的裝置 ---------- */
.me .role{display:block;font-size:11.5px;color:var(--muted);line-height:1.3}
select{display:block;width:100%;margin-top:6px;padding:9px 12px;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:10px;outline:none}
select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.inline{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 12px;margin:0}
.inline label{margin:0;flex:1 1 150px;min-width:0}
.inline input.num,.inline label:has(input.num){flex:0 1 120px}
.inline .muted{align-self:center}
.inline button{flex:none}
.list .inline{padding:12px 0}
.inline.add{margin-top:12px;padding-top:14px;border-top:1px dashed var(--line)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 14px}
button.sm,.btn.sm{padding:5px 11px;font-size:13px;border-radius:8px;flex:none}
.row form{margin:0;flex:none}
.row>.i{color:var(--muted)}
.cardhead{padding:18px 20px 4px}
.cardhead h2{margin-bottom:4px}
.card.flush .scroll{overflow:auto}
.card.flush>.empty{padding-bottom:30px}
.card>form+form,.card>.list+form{margin-top:12px}
.pad{padding:12px 4px}
pre.link{white-space:pre-wrap;word-break:break-all;letter-spacing:0;user-select:all}
.status a{color:inherit;text-decoration:underline;flex:none}
.pagehead .inline label{flex:0 1 200px}

/* ---------- 備份裝置標籤與篩選 ---------- */
.badge.dev{display:inline-flex;align-items:center;gap:4px;max-width:100%;white-space:normal;overflow-wrap:anywhere;line-height:1.5;padding:2px 9px}
.badge.dev .i{width:12px;height:12px;flex:none}
.chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 16px}
.chips-label{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--muted);margin-right:2px}
.chips-label .i{width:15px;height:15px}
.chip{display:inline-block;max-width:100%;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--surface);border:1px solid var(--line);color:var(--muted);text-decoration:none;overflow-wrap:anywhere}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.on{background:var(--blue-soft);border-color:var(--blue);color:var(--blue)}
a.album{color:inherit;text-decoration:none}a.album:hover{border-color:var(--blue)}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.photo{margin:0;padding:8px;display:flex;flex-direction:column;gap:6px}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;background:var(--surface2);display:block}
.photo figcaption{display:flex;flex-direction:column;gap:2px;min-width:0}
.photo .ph{display:grid;place-items:center;aspect-ratio:4/3;border-radius:8px;background:var(--surface2);color:var(--muted)}
.mwho{display:flex;align-items:center;gap:8px;min-width:0}
.mwho .grow{display:flex;flex-direction:column;min-width:0}
.mwho b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px}
.mgrid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
.mrow{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1.3fr) minmax(0,1.5fr) auto;align-items:center;gap:8px 18px}.mrow.nw{grid-template-columns:minmax(0,2fr) minmax(0,1.3fr) auto}
.mlink{display:flex;align-items:center;gap:10px;min-width:0;color:inherit}
a.mlink:hover{text-decoration:none}
.mrow .mwho{min-width:0}
.mrow .acts,.vmeta .acts{display:flex;gap:8px;flex:none;justify-self:end}
.viewer{padding:0;overflow:hidden}
.stage{display:grid;place-items:center;background:#0b0f14;min-height:240px}
.stage img{display:block;width:100%;max-height:72vh;object-fit:contain}
.stage .empty{color:#9aa7b7}
.vmeta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 18px}
.btn.off{opacity:.4;pointer-events:none}
.selfform{margin-top:6px}

/* ---------- 手機 ---------- */
@media (max-width:860px){
  .shell{display:block}
  .side{position:sticky;top:0;z-index:5;height:auto;flex-direction:row;align-items:center;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line)}
  .brand{padding:0;flex:1}
  .me{border:0;padding:0;order:3}.me .grow{display:none}
  .side nav{position:fixed;left:0;right:0;bottom:0;z-index:6;flex-direction:row;justify-content:space-around;gap:0;padding:6px 4px calc(6px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line)}
  .side nav a{flex-direction:column;gap:2px;padding:6px 4px;font-size:11px;border-radius:8px;flex:1;align-items:center}
  .side nav a.on{background:none}
  .side nav{overflow-x:auto;justify-content:flex-start}
  .side nav a{min-width:58px}
  .me .role{display:none}
  .inline label{flex:1 1 100%}
  .inline input.num,.inline label:has(input.num){flex:1 1 40%}
  main{padding:20px 16px 96px}
  h1{font-size:21px}
  .search input{width:100%}.search{width:100%}
  .pagehead .actions{width:100%}
  .cols{grid-template-columns:1fr}
  .msg .body{max-width:calc(100% - 46px)}.msg.me .body{max-width:86%}
  .card.chat{padding:4px 8px 14px;margin-left:-4px;margin-right:-4px}
  .msg{scroll-margin-top:110px}
  .bub img{width:min(240px,100%)}
  .media-card,.linkcard{min-width:0}
  .mrow,.mrow.nw{grid-template-columns:minmax(0,1fr)}.mrow .acts{justify-self:start}
  .mgrid{grid-template-columns:repeat(2,1fr)}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.chip{flex:none;white-space:nowrap}.chips-label{flex:none}
  .photos{grid-template-columns:repeat(2,1fr)}
  th,td{padding:10px 12px}
}
@media (max-width:860px){.grid .stat:last-child:nth-child(odd){grid-column:1/-1}}
@media (max-width:860px){
  table{font-size:13px}
  th:nth-child(2),td:nth-child(2){display:none}
  td.nowrap{white-space:normal}
}

/* ---------- 示範模式 ---------- */
.demo-banner{position:fixed;top:0;left:0;right:0;z-index:50;height:30px;display:grid;place-items:center;background:#b45309;color:#fff;font-size:13px;font-weight:700;letter-spacing:.08em}
body.demo{padding-top:30px}
body.demo .side{top:30px}
body.demo .shell .side{height:calc(100vh - 30px)}
.demo-accts{text-align:left;font-size:14px}.demo-accts ul{margin:6px 0;padding-left:20px}
@media (max-width:860px){body.demo .shell .side{height:auto}body.demo .side nav{bottom:0}}
body.demo .msg{scroll-margin-top:130px}
.vid{display:block;width:min(320px,70vw);max-height:60vh;border-radius:14px;background:#000}
.vidbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:4px}
.vidbar .muted svg{width:14px;height:14px;vertical-align:-2px}
.voice2{display:flex;flex-direction:column;gap:2px}
.voice2 audio{width:min(260px,64vw);height:36px}
.voice2 svg{width:14px;height:14px;vertical-align:-2px}
.mc-ico .ext{font-size:11px;font-weight:700;letter-spacing:.02em}
.stage .vstage{display:block;width:100%;max-height:72vh;background:#000}
.astage,.fstage{display:flex;flex-direction:column;align-items:center;gap:14px;padding:40px 20px;color:#e6edf5;text-align:center;max-width:100%}
.astage svg{width:40px;height:40px}
.astage audio{width:min(420px,86vw)}
.fstage svg{width:36px;height:36px}
.fstage b{word-break:break-all}
.fstage .txt{color:#c4cfdc;word-break:break-all;max-width:520px}
.fstage .mc-ico{width:64px;height:64px;border-radius:16px;font-size:16px}
.vcap{padding:0 18px 16px;white-space:pre-wrap;word-break:break-word}
.vmeta .acts{flex-wrap:wrap}
.media-card .acts{display:flex;gap:6px;flex:none}

/* 圖片燈箱 */
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center}
.lb[hidden]{display:none}
.lb img{max-width:92vw;max-height:80vh;object-fit:contain;border-radius:6px}
.lb button{position:absolute;background:rgba(255,255,255,.16);color:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:26px;cursor:pointer}
.lb button:hover{background:rgba(255,255,255,.3)}
.lb-x{top:14px;right:14px}.lb-p{left:14px;top:50%}.lb-n{right:14px;top:50%}
.lb-bar{position:absolute;bottom:14px;left:0;right:0;display:flex;gap:14px;align-items:center;justify-content:center;color:#fff}
.lb-bar{flex-wrap:wrap}.lb-who{flex-basis:100%;text-align:center;font-weight:600}.lb-jump[hidden]{display:none}

/* 全站裝置篩選：內容頂端的下拉面板 */
.devtop{display:flex;align-items:center;gap:12px;margin:0 0 14px;position:relative}
.devpick{position:relative;flex:none}
.devpick>summary{list-style:none;display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;font-size:14px;user-select:none}
.devpick>summary::-webkit-details-marker{display:none}
.devpick>summary::after{content:"\25BE";color:var(--muted);font-size:12px}
.devpick[open]>summary{border-color:var(--blue);color:var(--blue)}
.devpick>summary .i{width:16px;height:16px}
.ds-sum{padding:1px 8px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:650}
.devnames{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ds-pop{position:absolute;z-index:20;top:calc(100% + 6px);left:0;width:min(380px,calc(100vw - 32px));padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 12px 32px rgba(0,0,0,.18)}
.devsel{display:flex;flex-direction:column;gap:10px}
.ds-q{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface2);color:var(--text);font:inherit;font-size:14px}
.ds-q:focus{outline:2px solid var(--blue);outline-offset:-1px}
.ds-tools{display:flex;align-items:center;gap:12px;font-size:13px}.ds-cnt{margin-left:auto}
.linkbtn{background:none;border:0;padding:0;color:var(--blue);font:inherit;font-size:13px;cursor:pointer}.linkbtn:hover{text-decoration:underline}
.ds-list{display:flex;flex-direction:column;gap:2px;max-height:min(320px,50vh);overflow-y:auto}
.ds-i{display:flex;align-items:center;gap:10px;padding:8px;border-radius:8px;cursor:pointer;font-size:14px}
.ds-i[hidden]{display:none}
.ds-i:hover{background:var(--surface2)}
.ds-i input{flex:none;width:18px;height:18px;accent-color:var(--blue)}
.ds-i .grow{display:flex;flex-direction:column;min-width:0}.ds-i b{font-weight:600;overflow-wrap:anywhere}
.ds-b{display:flex;flex-wrap:wrap;gap:8px}
@media (max-width:860px){.devnames{display:none}}
.ds-i{margin:0;color:var(--text);font-weight:400}.ds-i b{color:var(--text)}.ds-i .grow{gap:1px}

.sticon{display:inline-block;height:1.5em;width:auto;vertical-align:-0.3em;margin:0 1px}