/* V236 影像增強副本：僅新增 v236i- 前綴樣式，沿用 v233／v234 的色彩、焦點與表單樣式 */
.v233-root .v233-topline a,.v233-root .v233-footer nav a{display:inline-flex;align-items:center;min-height:44px}
.v233-root .v229-brand{min-height:44px}
.v233-root .v229-nav nav a{min-width:44px;justify-content:center}
.v233-root .v233-check{min-height:44px;align-items:center}
.v233-root .v233-check input[type=radio],.v233-root .v233-form input[type=radio]{width:22px;height:22px;min-height:0;flex:none;margin:0;padding:0;accent-color:var(--v233-gold)}
.v233-root .v233-form input[type=range]{padding:0;border:0;background:transparent;accent-color:var(--v233-gold)}
.v233-root .v233-form input[type=checkbox]{width:22px;height:22px}
.v236i-ul{margin:10px 0;padding-left:22px;font-size:13px;color:var(--v233-muted)}
.v236i-ul li{margin:6px 0;overflow-wrap:anywhere}

/* 步驟列 */
.v236i-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0;padding:0;list-style:none}
.v236i-steps li{min-width:0}
.v236i-stepbtn{display:flex;align-items:center;justify-content:center;gap:7px;width:100.0%;min-height:52px;padding:6px 8px;border:1px solid var(--v233-line);border-radius:9px;background:#10202b;color:#c4d6e3;font:inherit;font-size:14px;cursor:pointer}
.v236i-stepbtn b{display:inline-grid;place-items:center;flex:none;width:24px;height:24px;border:1px solid var(--v233-gold);border-radius:50%;color:var(--v233-gold);font:600 12px/1 ui-monospace,monospace}
.v236i-stepbtn[aria-current=step]{border-color:var(--v233-gold);box-shadow:inset 0 -3px var(--v233-gold);color:var(--v233-gold)}
.v236i-stepbtn[aria-current=step] b{background:var(--v233-gold);color:#12202a}
.v236i-stepbtn:disabled{opacity:.45;cursor:default}

/* 卡片與表單 */
.v236i-card{scroll-margin-top:16px}
.v236i-card h2:focus{outline:none}
.v236i-card h2:focus-visible{outline:3px solid #e9c781;outline-offset:4px}
.v236i-fs{margin:12px 0 0;padding:0;border:0;min-width:0}
.v236i-fs legend{padding:0;font-size:14px;color:#d5e3ed}
.v236i-drop{margin-top:14px;padding:22px 16px;border:2px dashed #527082;border-radius:12px;text-align:center;color:var(--v233-muted);font-size:14px}
.v236i-drop[data-over=true]{border-color:var(--v233-gold);background:#142733;color:var(--v233-gold)}
@media (pointer:coarse){.v236i-drop{display:none}}
.v236i-prog{margin:16px 0;padding:12px 15px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236i-prog p{margin:6px 0 10px}
.v236i-bar{display:block;width:100.0%;height:10px;accent-color:var(--v233-gold)}
.v236i-pvprog{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.v236i-pvprog .v236i-bar{flex:1 1 160px}
.v236i-infobox{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:18px;align-items:start;margin-top:18px}
.v236i-infobox>*{min-width:0}
.v236i-thumb{display:block;max-width:100.0%;height:auto;border:1px solid var(--v233-line);border-radius:8px;background:#050d14}
.v236i-facts{display:grid;grid-template-columns:minmax(110px,190px) minmax(0,1fr);margin:0;border:1px solid var(--v233-line);border-radius:8px;overflow:hidden;font-size:13px}
.v236i-facts dt,.v236i-facts dd{margin:0;padding:8px 12px;border-bottom:1px solid var(--v233-line);overflow-wrap:anywhere}
.v236i-facts dt{background:#162c39;color:var(--v233-gold)}
.v236i-facts dd{background:#0b1b26;color:#dbe8f1}
.v236i-facts dt:last-of-type,.v236i-facts dd:last-of-type{border-bottom:0}
.v236i-facts code{font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere;word-break:break-all}

/* 步驟 2：預設與預覽 */
.v236i-presets{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:14px 0;padding:0;border:0;min-width:0}
.v236i-preset{position:relative;display:block;min-width:0}
.v236i-preset input{position:absolute;inset:0;width:100.0%;height:100.0%;margin:0;opacity:0;cursor:pointer}
.v236i-pcard{display:block;height:100.0%;min-height:92px;padding:12px 14px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26;color:#d5e3ed}
.v236i-pcard strong{display:block;color:var(--v233-gold);font-size:15px}
.v236i-pcard small{display:block;margin-top:4px;color:var(--v233-muted);font-size:12px;line-height:1.65}
.v236i-preset input:checked+.v236i-pcard{border-color:var(--v233-gold);background:#1a2c35;box-shadow:inset 3px 0 var(--v233-gold)}
.v236i-preset input:focus-visible+.v236i-pcard{outline:3px solid #e9c781;outline-offset:3px}
.v236i-minirow{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px;align-items:start;margin:8px 0 14px}
.v236i-minirow>*{min-width:0}
.v236i-minibox{position:relative;height:clamp(190px,34vh,320px);border:1px solid var(--v233-line);border-radius:10px;background:#050d14;overflow:hidden}
.v236i-minibox canvas{position:absolute;inset:0;width:100.0%;height:100.0%;display:block}
.v236i-miniempty{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:12px;text-align:center;color:var(--v233-muted);font-size:13px}
.v236i-miniside .v233-help{margin:10px 0 0}
.v236i-seg{display:inline-flex;max-width:100.0%;border:1px solid #698093;border-radius:8px;overflow:hidden}
.v236i-seg .v233-btn{border:0;border-radius:0;min-width:44px;padding:9px 12px}
.v236i-seg .v233-btn+.v233-btn{border-left:1px solid #698093}
.v236i-seg .v233-btn[aria-pressed=true]{background:var(--v233-gold);color:#12202a;font-weight:700}
.v236i-seg .v233-btn:disabled{opacity:.45;cursor:not-allowed}

/* 步驟清單編輯 */
.v236i-list{display:grid;gap:10px;margin:12px 0;padding:0;list-style:none}
.v236i-item{min-width:0;padding:8px 12px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236i-item[data-off=true]{opacity:.7}
.v236i-ihead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.v236i-sw{display:flex;align-items:center;gap:10px;flex:1 1 200px;min-width:0;min-height:44px;color:var(--v233-gold);font-size:15px;cursor:pointer}
.v236i-sw input{flex:none;width:22px;height:22px;margin:0;accent-color:var(--v233-gold)}
.v236i-iact{display:flex;gap:6px}
.v236i-iact .v233-btn{min-width:44px;padding:6px 10px}
.v236i-item details{margin-top:2px}
.v236i-params{display:grid;gap:2px;padding:4px 0 6px}
.v236i-param{display:grid;grid-template-columns:minmax(130px,210px) minmax(0,1fr) 5.5em;gap:10px;align-items:center;min-height:44px;font-size:13px;color:#d5e3ed}
.v236i-param>label{margin:0}
.v236i-param input[type=range]{display:block;width:100.0%;min-height:44px;margin:0;accent-color:var(--v233-gold);background:transparent}
.v236i-param select{width:100.0%;min-height:44px;padding:8px 10px;border:1px solid #527082;border-radius:7px;background:#071621;color:#e9f0f6;font:inherit;font-size:14px;grid-column:2/-1}
.v236i-param output{font:12px ui-monospace,monospace;color:var(--v233-gold);text-align:right;overflow-wrap:anywhere}
.v236i-param .v233-check{grid-column:1/-1;margin:0}
.v236i-skew{margin-top:6px;padding:10px 12px;border:1px dashed #527082;border-radius:8px}
.v236i-skew p{margin:6px 0}
.v236i-addctl{display:flex;gap:8px}
.v236i-addctl select{flex:1 1 auto;min-width:0}
.v236i-addctl .v233-btn{flex:none;min-width:64px;white-space:nowrap}
.v236i-addrow label{margin-top:8px}

/* 步驟 3：檢視器 */
.v236i-toolbar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:14px 0 10px}
.v236i-view{position:relative;height:clamp(300px,62vh,640px);border:1px solid var(--v233-line);border-radius:10px;background:#050d14;overflow:hidden;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.v236i-view[data-pan=true]{touch-action:none;cursor:grab}
.v236i-view[data-pan=true][data-drag=true]{cursor:grabbing}
.v236i-cv{position:absolute;inset:0;display:block;width:100.0%;height:100.0%}
.v236i-badge{position:absolute;top:8px;max-width:46.0%;padding:3px 10px;border:1px solid var(--v233-line);border-radius:30px;background:rgba(5,13,20,.8);color:#e6edf2;font-size:12px;line-height:1.5;pointer-events:none;overflow-wrap:anywhere}
.v236i-badge[data-side=l]{left:8px}
.v236i-badge[data-side=r]{right:8px}
.v236i-view[data-layout=col] .v236i-badge[data-side=r]{right:auto;left:8px;top:calc(50% + 8px)}
.v236i-view[data-layout=side] .v236i-handle,.v236i-view[data-layout=col] .v236i-handle{display:none}
.v236i-handle{position:absolute;top:0;bottom:0;left:50%;width:44px;margin-left:-22px;cursor:ew-resize;touch-action:none}
.v236i-handle::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;background:var(--v233-gold);box-shadow:0 0 0 1px rgba(5,13,20,.7)}
.v236i-grip{position:absolute;top:50%;left:50%;display:grid;place-items:center;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;background:var(--v233-gold);color:#12202a;font-size:13px;font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.55)}
.v236i-handle:focus-visible{outline:none}
.v236i-handle:focus-visible .v236i-grip{outline:3px solid #fff;outline-offset:2px}
.v236i-view:focus-visible{outline:3px solid #e9c781;outline-offset:3px}
.v236i-vempty{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:12px;text-align:center;color:var(--v233-muted);font-size:14px;pointer-events:none}
.v236i-onehint{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0}
.v236i-onehint p{margin:0;flex:1 1 240px}
.v236i-hists{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.v236i-fig{margin:0;min-width:0}
.v236i-fig figcaption{margin-bottom:4px;font-size:13px;color:var(--v233-gold)}
.v236i-hist{display:block;width:100.0%;height:104px;border:1px solid var(--v233-line);border-radius:8px;background:#071621}
.v236i-tbl th,.v236i-tbl td{min-width:0}
.v236i-tbl td:first-child{min-width:120px}
.v236i-tbl td.num,.v236i-tbl th:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}

/* 步驟 4：結果與紀錄 */
.v236i-logta{display:block;width:100.0%;min-height:220px;margin-top:8px;padding:12px;border:1px solid #527082;border-radius:7px;background:#071621;color:#e9f0f6;font:12px/1.7 ui-monospace,monospace;resize:vertical}
.v236i-scope{padding:2px 4px}
.v236i-scope ul{margin:0;padding-left:20px;font-size:13px;color:var(--v233-muted)}
.v236i-scope li{margin:8px 0;overflow-wrap:anywhere}

@media(max-width:760px){
  .v236i-presets{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .v236i-presets .v236i-preset:last-child{grid-column:1/-1}
  .v236i-pcard{min-height:0;padding:10px 11px}
  .v236i-pcard small{font-size:11.5px}
  .v236i-tbl th,.v236i-tbl td{padding:8px 5px;font-size:11.5px}
  .v236i-tbl td:first-child{min-width:0}
  .v236i-stepbtn{flex-direction:column;gap:3px;min-height:56px;font-size:12px}
  .v236i-infobox{grid-template-columns:minmax(0,1fr)}
  .v236i-facts{grid-template-columns:minmax(0,1fr)}
  .v236i-facts dt{border-bottom:0;padding-bottom:2px}
  .v236i-minirow{grid-template-columns:minmax(0,1fr)}
  .v236i-param{grid-template-columns:minmax(0,1fr) 5em}
  .v236i-param>label{grid-column:1/-1}
  .v236i-param select{grid-column:1/-1}
  .v236i-hists{grid-template-columns:minmax(0,1fr)}
  .v236i-view{height:clamp(260px,54vh,520px)}
  .v236i-seg .v233-btn{padding:9px 10px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){.v236i-view,.v236i-handle,.v236i-grip{transition:none!important;animation:none!important}}

/* 指南頁 */
.v236i-guide dt{color:var(--v233-gold);font-weight:700;margin-top:12px}
.v236i-guide dd{margin:4px 0 0;color:#cfe0eb;overflow-wrap:anywhere}
.v236i-guide dd>ul,.v236i-guide dd>ol{margin:6px 0}
.v236i-guide li{margin:5px 0}
.v236i-guide pre{margin:10px 0;white-space:pre;overflow:auto;font-size:12.5px;line-height:1.7;tab-size:4}
.v236i-guide pre:focus-visible,.v233-table-wrap:focus-visible{outline:3px solid #e9c781;outline-offset:2px}
.v236i-gsteps{display:grid;gap:12px;margin:14px 0 0}
.v236i-gstep{min-width:0;padding:12px 15px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236i-gstep h3{margin:0 0 8px;font-size:16px;line-height:1.6;color:var(--v233-gold)}
.v236i-gstep dl{display:grid;grid-template-columns:4.6em minmax(0,1fr);gap:6px 12px;margin:0;font-size:14px;line-height:1.75}
.v236i-gstep dt{margin:0;color:#9fb7c8;font-weight:600}
.v236i-gstep dd{margin:0;color:#d5e3ed;overflow-wrap:anywhere}
.v236i-gnum{font-variant-numeric:tabular-nums;white-space:nowrap}
.v236i-gtbl th,.v236i-gtbl td{min-width:0;font-size:12.5px}
.v236i-gtbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.v236i-gtbl tr[data-v="變差"] td:last-child{color:#ffb4a8}
.v236i-gtbl tr[data-v="改善"] td:last-child{color:#a8e6b9}
.v236i-gtbl caption{caption-side:top;padding:8px 10px;text-align:left;color:var(--v233-muted);font-size:12.5px}
.v236i-gflow{counter-reset:gf;list-style:none;margin:10px 0 0;padding:0}
.v236i-gflow li{position:relative;margin:8px 0;padding:6px 0 6px 38px;min-height:30px}
.v236i-gflow li::before{counter-increment:gf;content:counter(gf);position:absolute;left:0;top:6px;display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--v233-gold);border-radius:50%;color:var(--v233-gold);font:600 12px/1 ui-monospace,monospace}
@media(max-width:560px){
  .v236i-gstep dl{grid-template-columns:minmax(0,1fr);gap:0}
  .v236i-gstep dt{margin-top:8px}
  .v236i-gtbl th,.v236i-gtbl td{min-width:5.2em}   /* 窄螢幕：欄寬不再被擠成一個字一行，改由外層表格區塊左右捲動 */
  .v236i-gtbl .num{min-width:3.6em}
}