/* ==========================================================================
   Screenshot Watermark — 互動模組樣式
   依附現有 /assets/style.css 的 CSS 變數（--accent, --navy, --line, --radius…）
   所有新 class 一律以 wm- 開首，避免與現有樣式衝突。
   載入次序：style.css 之後。
   ========================================================================== */

/* ---------- 模擬屏幕 ---------- */
.wm-screen{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(150deg,#31506d 0%,#1d2d3d 62%,#24384b 100%);
  user-select:none;-webkit-user-select:none;
  isolation:isolate; /* 令全屏水印的 difference 混合只作用於屏幕內 */
}
.wm-screen::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(820px 380px at 74% 10%,rgba(181,217,253,.22),transparent 68%);
}
.wm-desk{position:absolute;top:44px;left:14px;display:grid;gap:13px;z-index:1}
.wm-desk-i{display:flex;flex-direction:column;align-items:center;gap:4px;width:52px}
.wm-desk-i i{
  width:28px;height:28px;display:block;border-radius:2px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
}
.wm-desk-i span{font-size:9px;color:rgba(255,255,255,.72);text-align:center;line-height:1.3}

/* 程式視窗 */
.wm-win{
  position:absolute;left:13%;top:12%;width:77%;height:67%;z-index:2;
  background:#f7f8fa;color:var(--ink);overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:0 18px 44px rgba(10,20,32,.5);
  border:1px solid rgba(0,0,0,.22);
}
.wm-win-bar{
  height:26px;flex:none;background:#e6e9ee;border-bottom:1px solid #ccd3dd;
  display:flex;align-items:center;gap:6px;padding:0 9px;
}
.wm-win-bar i{width:7px;height:7px;border-radius:50%;background:#bcc5d3;display:block;flex:none}
.wm-win-bar b{font-size:10.5px;font-weight:600;color:#4a566d;margin-left:5px;white-space:nowrap}
.wm-win-bar em{
  margin-left:auto;font-style:normal;font-size:9.5px;font-weight:700;
  color:#fff;background:#a8372c;padding:1px 6px;letter-spacing:.04em;
}
.wm-win-body{position:relative;flex:1;padding:11px 13px;overflow:hidden}
.wm-win-body .wm-win-h{font-size:11.5px;font-weight:600;margin:0 0 8px;color:#243247}
.wm-tbl{width:100%;border-collapse:collapse;font-size:9.5px;font-variant-numeric:tabular-nums}
.wm-tbl th{
  text-align:left;padding:4px 5px;font-weight:700;color:#67748f;
  border-bottom:1px solid #d3dae5;white-space:nowrap;
}
.wm-tbl td{padding:4px 5px;border-bottom:1px solid #eceff5;color:#2e3952;white-space:nowrap}
.wm-tbl td.n{text-align:right}

/* 工作列 */
.wm-task{
  position:absolute;left:0;right:0;bottom:0;height:28px;z-index:3;
  background:rgba(14,22,34,.74);border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;gap:7px;padding:0 11px;
}
.wm-task i{width:12px;height:12px;border-radius:2px;background:rgba(255,255,255,.28);display:block;flex:none}
.wm-task span{margin-left:auto;font-size:9.5px;color:rgba(255,255,255,.76);font-variant-numeric:tabular-nums}

/* ---------- 水印層 ---------- */
.wm-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.wm-layer--all{z-index:5}
.wm-layer--app{z-index:1}
.wm-grid{
  position:absolute;left:50%;top:50%;width:170%;height:170%;
  display:grid;place-items:center;transform-origin:center;
}
.wm-tile{font-weight:700;line-height:1.34;text-align:center;white-space:nowrap;letter-spacing:.015em}
/* 全屏水印覆蓋深色桌面同淺色視窗兩種底，所以用白字加深色描邊，
   兩種底色都讀得到，與真實屏幕水印的行為一致。 */
.wm-layer--all .wm-tile{
  color:#fff;
  text-shadow:0 0 1px rgba(0,0,0,.9),0 0 3px rgba(0,0,0,.55),0 1px 2px rgba(0,0,0,.45);
}
.wm-layer--app .wm-tile{color:#1d2d3d}

/* ---------- 控制板 ---------- */
.wm-console{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;margin-top:20px;
}
.wm-console-h{
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
  padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--line);
}
.wm-console-h h3{margin:0}
.wm-console-h p{margin:0;font-size:.88rem;color:var(--muted)}
.wm-ctl{display:grid;grid-template-columns:1fr 1fr;gap:20px 30px}
.wm-ctl > .wm-f--wide{grid-column:1/-1}
.wm-f > label,.wm-f > .wm-lbl{
  display:block;font-weight:600;font-size:.92rem;margin-bottom:7px;color:var(--ink);
}
.wm-f input[type=text]{
  width:100%;padding:10px 12px;font:400 1rem var(--font-body);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:#fff;color:var(--ink);
}
.wm-f input[type=text]:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.wm-hint{font-size:.8rem;color:var(--muted);margin:8px 0 0;line-height:1.5}

/* 滑桿 */
.wm-range{display:flex;align-items:center;gap:14px}
.wm-range input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;height:4px;border-radius:2px;
  background:var(--surface-2);border:1px solid var(--line);outline:none;margin:0;
}
.wm-range input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:18px;height:18px;border-radius:50%;
  background:var(--accent);border:2px solid #fff;cursor:pointer;
  box-shadow:0 1px 4px rgba(29,45,61,.35);
}
.wm-range input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--accent);
  border:2px solid #fff;cursor:pointer;
}
.wm-range input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wm-val{
  font-size:.86rem;font-weight:700;color:var(--accent-strong);
  font-variant-numeric:tabular-nums;min-width:46px;text-align:right;
}

/* 分段切換 */
.wm-seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden}
.wm-seg button{
  border:0;background:#fff;color:var(--ink);cursor:pointer;
  font:600 .92rem var(--font-body);padding:10px 16px;
  transition:background .15s,color .15s;
}
.wm-seg button + button{border-left:1px solid var(--line-strong)}
.wm-seg button:hover{background:var(--accent-soft)}
.wm-seg button[aria-pressed=true]{background:var(--accent);color:#fff}
.wm-seg button[aria-pressed=true]:hover{background:var(--accent-strong)}

/* 欄位勾選 */
.wm-toks{display:flex;flex-wrap:wrap;gap:9px}
.wm-tok{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;user-select:none;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:8px 12px;font-size:.92rem;font-weight:500;color:var(--ink);
  transition:border-color .15s,background .15s;
}
.wm-tok:hover{border-color:var(--accent)}
.wm-tok input{accent-color:var(--accent);margin:0;cursor:pointer;flex:none}
.wm-tok.is-on{border-color:var(--accent);background:var(--accent-soft)}
.wm-tok b{
  font-size:.7rem;font-weight:700;letter-spacing:.04em;
  background:var(--warn-bg);color:var(--warn-ink);padding:2px 6px;border-radius:2px;
}

/* 提示 */
.wm-note{
  display:none;gap:10px;margin-top:16px;padding:12px 15px;
  border:1px solid #f0d99a;border-left:5px solid #d9a93a;
  background:var(--warn-bg);color:var(--warn-ink);
  font-size:.88rem;line-height:1.55;border-radius:0 var(--radius) var(--radius) 0;
}
.wm-note.is-on{display:flex}
.wm-note strong{font-weight:700}

/* ---------- 數字色帶 ---------- */
.wm-stats-n{font-variant-numeric:tabular-nums}

/* ---------- 拖拉對比 ---------- */
.wm-cmp{position:relative;aspect-ratio:16/10;overflow:hidden;cursor:ew-resize;touch-action:none}
.wm-cmp-a,.wm-cmp-b{position:absolute;inset:0}
.wm-cmp-b{clip-path:inset(0 0 0 50%)}
.wm-cmp-a .wm-screen,.wm-cmp-b .wm-screen{height:100%;aspect-ratio:auto}
.wm-handle{
  position:absolute;top:0;bottom:0;left:50%;width:2px;z-index:20;
  background:#fff;box-shadow:0 0 0 1px rgba(29,45,61,.4);
  transform:translateX(-1px);pointer-events:none;
}
.wm-handle i{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:40px;height:40px;border-radius:50%;background:#fff;
  border:2px solid var(--accent);color:var(--accent-strong);
  display:grid;place-items:center;font-size:15px;font-weight:700;font-style:normal;
  box-shadow:0 3px 12px rgba(29,45,61,.3);
}
.wm-cmp-tag{
  position:absolute;top:10px;z-index:21;font-size:.76rem;font-weight:700;
  padding:3px 9px;letter-spacing:.02em;
}
.wm-cmp-tag--l{left:10px;background:rgba(168,55,44,.9);color:#fff}
.wm-cmp-tag--r{right:10px;background:rgba(29,45,61,.9);color:#fff}

/* ---------- 放大鏡追查 ---------- */
.wm-trace{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:start}
.wm-photo{
  position:relative;overflow:hidden;cursor:crosshair;touch-action:none;
  background:#11161d;aspect-ratio:16/10;
}
.wm-photo-in{position:absolute;inset:0}
/* 手機拍攝感：輕微傾斜 + 反光 + 暗角 */
.wm-photo-tilt{position:absolute;inset:-6%;transform:rotate(-1.4deg) scale(1.04)}
.wm-photo-tilt > .wm-screen{height:100%;aspect-ratio:auto}
.wm-photo::after{
  content:"";position:absolute;inset:0;z-index:9;pointer-events:none;
  background:
    linear-gradient(118deg,rgba(255,255,255,.14) 0%,rgba(255,255,255,0) 26%,rgba(255,255,255,0) 72%,rgba(255,255,255,.07) 100%),
    radial-gradient(130% 110% at 50% 45%,transparent 48%,rgba(5,8,12,.55) 100%);
}
.wm-lens{
  position:absolute;z-index:12;width:168px;height:168px;border-radius:50%;
  overflow:hidden;pointer-events:none;display:none;
  border:3px solid #fff;box-shadow:0 0 0 1px var(--accent),0 10px 26px rgba(5,8,12,.55);
}
.wm-lens.is-on{display:block}
.wm-lens-in{position:absolute;left:0;top:0;transform-origin:0 0}
.wm-lens::after{
  content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;
  background:linear-gradient(140deg,rgba(255,255,255,.2),transparent 42%);
}
.wm-hot{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.wm-photo-tip{
  position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:11;
  background:rgba(29,45,61,.9);color:#fff;font-size:.8rem;font-weight:600;
  padding:6px 14px;white-space:nowrap;transition:opacity .3s;
}
.wm-photo-tip.is-off{opacity:0}

.wm-find{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.wm-find h3{margin:0 0 4px}
.wm-find > p{font-size:.88rem;color:var(--muted);margin:0 0 16px}
.wm-find-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.wm-find-list li{
  display:flex;align-items:center;gap:11px;padding:11px 13px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg);font-size:.92rem;transition:all .2s;
}
.wm-find-list li i{
  width:20px;height:20px;flex:none;border-radius:50%;font-style:normal;
  border:1.5px solid var(--line-strong);display:grid;place-items:center;
  font-size:11px;font-weight:700;color:transparent;
}
.wm-find-list li b{font-weight:600;flex:none}
.wm-find-list li code{
  margin-left:auto;font-size:.8rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--muted);opacity:0;transition:opacity .3s;
}
.wm-find-list li.is-found{border-color:var(--accent-line);background:var(--accent-soft)}
.wm-find-list li.is-found i{background:var(--ok);border-color:var(--ok);color:#fff}
.wm-find-list li.is-found code{opacity:1;color:var(--accent-strong)}
.wm-result{
  display:none;margin-top:16px;padding:14px 16px;
  border:1px solid var(--accent-line);border-left:5px solid var(--accent);
  background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0;
}
.wm-result.is-on{display:block}
.wm-result p{margin:0;font-size:.88rem;line-height:1.6}
.wm-result p + p{margin-top:8px;color:var(--muted);font-size:.82rem}
.wm-reset{
  margin-top:14px;background:none;border:0;padding:0;cursor:pointer;
  font:600 .86rem var(--font-body);color:var(--accent);text-decoration:underline;
}
.wm-reset:hover{color:var(--accent-strong)}

/* ---------- 功能卡版本切換 ---------- */
.wm-tier-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.wm-tier .card.is-locked{opacity:.4}
.wm-tier .card.is-locked .card-tag{background:var(--warn-bg);color:var(--warn-ink);border-color:#f0d99a}

/* ---------- 計算器 ---------- */
.wm-calc{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.wm-calc-in,.wm-calc-out{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
}
.wm-calc-in{background:var(--surface)}
.wm-calc-out{background:var(--navy);color:#fff;display:flex;flex-direction:column}
.wm-seats{font:700 2.6rem/1 var(--font-head);font-variant-numeric:tabular-nums;color:var(--accent-strong)}
.wm-seats em{font:600 1rem var(--font-body);font-style:normal;color:var(--muted);margin-left:8px}
.wm-scale{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-top:8px}
.wm-price{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:11px 0}
.wm-price + .wm-price{border-top:1px solid rgba(255,255,255,.16)}
.wm-price span{font-size:.9rem;color:#d6dde5}
.wm-price b{font:700 1.3rem var(--font-head);font-variant-numeric:tabular-nums}
.wm-price--big{padding-top:14px}
.wm-price--big b{font-size:2.1rem;color:#b5d9fd}
.wm-calc-out .wm-foot{margin-top:auto;padding-top:18px}
.wm-calc-out .wm-foot p{font-size:.78rem;color:#aab6c4;margin:0 0 14px;line-height:1.5}

/* ---------- 共用 ---------- */
.wm-cap{font-size:.85rem;color:var(--muted);padding:10px 4px 2px;margin:0}
.js .wm-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .wm-reveal.is-in{opacity:1;transform:none}

/* ---------- 響應式 ---------- */
@media(max-width:900px){
  .wm-trace,.wm-calc{grid-template-columns:1fr;gap:22px}
  .wm-lens{width:132px;height:132px}
}
@media(max-width:620px){
  .wm-ctl{grid-template-columns:1fr;gap:18px}
  .wm-console{padding:18px}
  .wm-win{left:7%;width:86%}
  .wm-desk{display:none}
}

/* ---------- 尊重減少動態設定 ---------- */
@media(prefers-reduced-motion:reduce){
  .js .wm-reveal{opacity:1;transform:none;transition:none}
  .wm-find-list li code,.wm-photo-tip{transition:none}
}

/* ---------- 無 JS 時隱藏互動模組 ---------- */
html:not(.js) .wm-console,
html:not(.js) .wm-lens,
html:not(.js) .wm-handle{display:none}

/* ==========================================================================
   與正式 style.css 併用時的補充
   （示範站獨有元件，正式站 style.css 無定義）
   ========================================================================== */

/* 控制板標題用 h2，需壓過全站 h2 尺寸 */
.wm-console{margin-top:28px}
.wm-console-h h2{font-size:1.25rem;margin:0}

/* 對比區需要固定比例 */
.wm-cmp{aspect-ratio:16/10}

/* 功能卡版本切換列 */
.wm-tier-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:32px;
}
.wm-tier-head .sec-head{margin-bottom:0}

/* 計算器輸入側 */
.wm-calc-in label{display:block;font-weight:600;font-size:.95rem;margin-bottom:12px}
.wm-calc-in .wm-range{margin-top:14px}
.wm-calc-in .mini{margin:16px 0 0}
.wm-calc-out .btn{width:100%;justify-content:center}

/* 功能區註腳 */
.wm-tier .mini{margin-top:18px}

/* ---------- 整合到正式站首頁：試玩區版面 ---------- */
.wm-lab-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:start}
.wm-lab-grid .wm-console{margin-top:0}
.wm-lab-fig{margin:0}
.wm-lab-fig .wm-screen{width:100%}
.wm-lab-grid .wm-ctl{grid-template-columns:1fr 1fr;gap:18px 22px}
@media(max-width:980px){
  .wm-lab-grid{grid-template-columns:1fr;gap:22px}
}
@media(max-width:620px){
  .wm-lab-grid .wm-ctl{grid-template-columns:1fr}
}

/* 對比區不需要佔滿全寬（避免過高） */
.wm-fig-narrow{max-width:880px;margin-left:auto;margin-right:auto}