/* 結石島：選擇器都加前綴，不影響全站樣式 */
.si {
    --bg: #e7efe9;
    --surface: #f8fbf9;
    --surface-2: #d8e3dc;
    --ink: #16232b;
    --ink-soft: #4a5f6b;
    --ink-faint: #536570;
    --line: #c8d6cd;
    --accent: #0f7a6c;
    --accent-soft: #e3f2ef;
    --accent-ink: #0a5f54;
    --stone: #e0a12b;
    --stone-edge: #a86f10;
    --kidney: #d9978a;
    --kidney-edge: #a9604f;
    --sinus: #f4d9cd;
    --ureter: #c98472;
    --bladder: #f3e6c2;
    --bladder-edge: #c8a95e;
    --prostate: #d8b49b;
    --prostate-edge: #a87e60;
    --map-bg: #eef5f0;
    --dot: #dde8e0;
    --fade: .35;
    --radius: 14px;
    --shadow: 0 1px 2px rgba(16, 35, 43, 0.05), 0 8px 24px rgba(16, 35, 43, 0.06);
    --font: "Noto Sans TC", "Source Han Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  }
  @media (prefers-color-scheme: dark) {
    .si {
      --bg: #0f1619;
      --surface: #172126;
      --surface-2: #1d2a30;
      --ink: #e7eef1;
      --ink-soft: #b0c2ca;
      --ink-faint: #8298a2;
      --line: #2a3940;
      --accent: #4ecdb8;
      --accent-soft: #16302c;
      --accent-ink: #7fe0cf;
      --stone: #f0b445;
      --stone-edge: #c48a22;
      --kidney: #a8685c;
      --kidney-edge: #d49383;
      --sinus: #c99a8a;
      --ureter: #c07d6c;
      --bladder: #4a4535;
      --bladder-edge: #d6bd7e;
      --fade: .55;
      --prostate: #8f7360;
      --prostate-edge: #c6a083;
      --map-bg: #132026;
      --dot: #1f2f36;
      --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
    }
  }
  .si, .si * { box-sizing: border-box; }
  .si {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    line-height: 1.7;
  }
  .si .si-wrap { max-width: 72rem; margin: 0 auto; padding: .5rem var(--pad) 3rem; }
  .si .si-crumb { max-width: 72rem; margin: 0 auto; padding: 1rem var(--pad) 0; }
  .si .eyebrow { margin: 0; font-size: .8rem; letter-spacing: .12em; color: var(--accent); font-weight: 700; }
  .si h1 { margin: .2rem 0 .3rem; font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.3; }
  .si .lede { margin: 0 0 1rem; color: var(--ink-soft); }
  .si .er {
    margin: 0 0 1.2rem; padding: .6rem .9rem; border-radius: 10px; font-size: .92rem;
    background: color-mix(in srgb, #c0392b 10%, var(--surface, #fff)); border: 1px solid color-mix(in srgb, #c0392b 35%, transparent);
  }
  .si .side { font-size: 12px; fill: var(--ink-soft); }
  .si .caption-side { margin: .3rem 0 0; text-align: center; font-size: .82rem; color: var(--ink-soft); }
  /* 入口卡：跟首頁的結石島卡同一種樣式（玩具縮圖、細框、文字連結） */
  .si .ctas { display: grid; gap: .8rem; margin: 0 0 1.2rem; }
  @media (min-width: 44rem) { .si .ctas { grid-template-columns: 1fr 1fr; } }
  .si .game-cta { display: grid; grid-template-columns: 6rem 1fr; gap: .9rem; align-items: center; padding: .8rem; border: 1px solid rgba(15, 122, 108, .35); border-radius: var(--radius); background: var(--surface); color: var(--ink); text-decoration: none; transition: border-color .2s; }
  @media (prefers-color-scheme: dark) { .si .game-cta { border-color: rgba(78, 205, 184, .3); } }
  .si .game-cta:hover, .si .game-cta:focus-visible { border-color: var(--accent); color: var(--ink); }
  .si .game-cta img { display: block; width: 100%; border-radius: 10px; }
  .si .game-cta-text { display: flex; flex-direction: column; gap: .15rem; line-height: 1.55; }
  .si .game-cta-text b { font-size: 1.12rem; color: var(--ink); }
  .si .game-cta-text small { font-size: .9rem; color: var(--ink-soft); }
  .si .game-cta-go { color: var(--accent-ink); font-weight: 700; }

  /* 依情況找島民（10-27）：頁首就讓人挑跟自己一樣的情況 */
  .si .si-who { margin: 0 0 1.2rem; }
  .si .si-who-h { margin: 0; font-size: 1.15rem; }
  .si .si-who-sub { margin: .1rem 0 .6rem; font-size: .9rem; color: var(--ink-soft); }
  .si .si-who ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }
  .si .si-who a { display: flex; flex-direction: column; gap: .1rem; height: 100%; box-sizing: border-box; padding: .6rem .8rem; border: 1px solid rgba(15, 122, 108, .35); border-left: 4px solid var(--accent); border-radius: 10px; background: var(--surface); color: var(--ink); text-decoration: none; line-height: 1.45; transition: border-color .2s; }
  .si .si-who a.is-er { border-left-color: #b4472b; }
  .si .si-who a:hover, .si .si-who a:focus-visible { border-color: var(--accent); }
  .si .si-who a.is-er:hover, .si .si-who a.is-er:focus-visible { border-color: #b4472b; }
  .si .si-who b { font-size: .98rem; }
  .si .si-who small { font-size: .85rem; color: var(--accent-ink); font-weight: 700; }
  .si .si-who a.is-er small { color: #b4472b; }
  @media (min-width: 900px) { .si .si-who ul { grid-template-columns: repeat(4, 1fr); } }
  /* 手機一欄排下來太長，小島被推太遠：卡片收小 */
  @media (max-width: 600px) {
    .si .si-who ul { gap: .4rem; }
    .si .si-who a { padding: .4rem .7rem; }
    .si .si-who b { font-size: .93rem; }
    .si .si-who small { font-size: .8rem; }
  }
  @media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .si .si-who a { transition: border-color .2s, transform .2s, box-shadow .2s; }
    .si .si-who a:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(15, 122, 108, .12); }
  }
  @media (prefers-color-scheme: dark) {
    .si .si-who a { border-color: rgba(78, 205, 184, .3); border-left-color: var(--accent); }
    .si .si-who a.is-er { border-left-color: #f08f72; }
    .si .si-who a.is-er small { color: #f08f72; }
  }

  .si .atlas {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
  }
  @media (max-width: 760px) { .si .atlas { grid-template-columns: 1fr; } }

  .si .map {
    position: relative;
    background-color: var(--map-bg);
    background-image: radial-gradient(var(--dot) 1.2px, transparent 1.3px);
    background-size: 18px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: .75rem;
  }
  .si .map svg { display: block; width: 100%; height: auto; max-height: 70vh; margin: 0 auto; }
  @media (max-width: 760px) { .si .map svg { max-height: 60vh; } }

  /* 器官：沒選中的淡化器官本體，標籤保留看得出來可以點 */
  .si .organ { cursor: pointer; }
  .si .organ:focus { outline: none; }
  .si .organ > * { transition: opacity .25s ease; }
  .si .organ .shape { transition: stroke .2s ease, stroke-width .2s ease; }
  .si .organ:hover .shape, .si .organ:focus-visible .shape, .si .organ.is-hint .shape { stroke: var(--accent); stroke-width: 3; }
  .si .atlas.has-pick .organ:not(.is-picked) > * { opacity: var(--fade); }
  .si .atlas.has-pick .organ:not(.is-picked) > .tag { opacity: .8; }
  .si .organ.is-picked .shape { stroke: var(--accent); stroke-width: 3.5; }

  .si .tag rect { fill: var(--surface); stroke: var(--line); transition: fill .2s, stroke .2s; }
  .si .tag .num { fill: var(--stone-edge); font-size: 12px; font-weight: 700; }
  .si .tag .name { fill: var(--ink); font-size: 14px; font-weight: 700; }
  .si .organ:hover .tag rect, .si .organ:focus-visible .tag rect, .si .organ.is-hint .tag rect { stroke: var(--accent); }
  .si .organ.is-picked .tag rect { fill: var(--accent); stroke: var(--accent); }
  .si .organ.is-picked .tag .name, .si .organ.is-picked .tag .num { fill: #fff; }
  @media (prefers-color-scheme: dark) {
    .si .organ.is-picked .tag .name, .si .organ.is-picked .tag .num { fill: #0f1619; }
  }
  .si .leader { stroke: var(--ink-faint); stroke-width: 1; stroke-dasharray: 2 3; fill: none; }
  .si .wall { opacity: .45; transition: opacity .3s; }


  /* 右側面板 */
  .si .panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.1rem 1.1rem 1.25rem;
  }
  @media (min-width: 761px) { .si .panel { position: sticky; top: 1rem; } }
  .si .search {
    width: 100%; font: inherit; font-size: 1rem;
    border: 1px solid var(--line); border-radius: 10px;
    background: var(--bg); color: var(--ink);
    padding: .55rem .8rem;
  }
  .si .search:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
  .si .panel h2 { margin: 1rem 0 .2rem; font-size: 1.3rem; display: flex; align-items: baseline; gap: .5rem; }
  .si .panel h2 .n { font-style: italic; color: var(--stone-edge); font-size: 1rem; }
  .si .panel .desc { margin: 0 0 .6rem; color: var(--ink-soft); font-size: .95rem; }
  .si .back { font: inherit; font-size: .95rem; background: none; border: 0; color: var(--accent-ink); cursor: pointer; padding: .4rem 0; margin-top: .6rem; }

  .si .regions { list-style: none; margin: .9rem 0 0; padding: 0; }
  .si .regions li + li { border-top: 1px solid var(--line); }
  .si .regions button {
    width: 100%; display: flex; align-items: baseline; gap: .7rem;
    font: inherit; text-align: left; background: none; border: 0; color: var(--ink);
    padding: .65rem .5rem; cursor: pointer;
    border-left: 3px solid transparent;
  }
  .si .regions button::after, .si .posts a::after { content: "›"; color: var(--ink-faint); font-size: 1.2rem; align-self: center; }
  .si .regions button:hover, .si .posts a:hover { background: var(--accent-soft); border-left-color: var(--accent); }
  .si .regions button:hover .r-name { color: var(--accent-ink); }
  .si .regions .r-num { font-style: italic; color: var(--stone-edge); font-size: 1.15rem; width: 1.8rem; }
  .si .regions .r-name { font-weight: 700; flex: 1; }
  .si .regions .r-hint { display: block; font-weight: 400; color: var(--ink-faint); font-size: .85rem; }
  .si .regions .r-count { color: var(--ink-faint); font-size: .85rem; white-space: nowrap; }

  .si .posts { list-style: none; margin: 0; padding: 0; }
  .si .posts li + li { border-top: 1px solid var(--line); }
  .si .posts a { display: flex; gap: .5rem; padding: .6rem .5rem; color: var(--ink); text-decoration: none; border-left: 3px solid transparent; }
  .si .posts a > span:last-of-type { flex: 1; }
  .si .posts a:hover .p-title { color: var(--accent-ink); }
  .si .posts .p-title { font-weight: 700; line-height: 1.5; }
  .si .posts .p-kind {
    display: inline-block; font-size: .75rem; font-weight: 700; margin-right: .35rem;
    background: var(--accent-soft); color: var(--accent-ink); border-radius: 6px; padding: 0 .4rem;
    vertical-align: .1em;
  }
  .si .empty { color: var(--ink-faint); margin: 1rem 0 0; }
  .si .note { margin-top: 1.25rem; font-size: .85rem; color: var(--ink-faint); }

  .si .still .organ, .si .still .organ .shape, .si .still .tag rect { transition: none; }
  @media (prefers-reduced-motion: reduce) {
    .si .organ, .si .organ .shape { transition: none; }
  }

/* 地圖改用玩具風底圖：平面器官只留透明點擊範圍，滑過或選中才描出外框 */
.si .map svg { border-radius: 10px; }
.si .organ .shape { fill-opacity: 0; stroke: transparent; }
.si .organ[data-region="kidney"] > g:not(.tag) > :not(.shape) { display: none; }
.si .organ .wall { display: none; }
.si .organ[data-region="urethra"] .shape { stroke: #eab4a3; stroke-width: 8.5; }
.si .organ[data-region="ureter"] .shape { stroke: #eab4a3; stroke-width: 9.5; filter: drop-shadow(1.5px 2px 1.5px rgba(110, 45, 30, .38)); }
.si .organ:hover .shape, .si .organ:focus-visible .shape, .si .organ.is-hint .shape { stroke: var(--accent); stroke-width: 3.5; }
.si .organ.is-picked .shape { stroke: #0f7a6c; stroke-width: 4; fill: #0f7a6c; fill-opacity: .12; }
.si .organ:is([data-region="ureter"], [data-region="urethra"]):is(:hover, :focus-visible, .is-hint, .is-picked) .shape { fill: none; stroke-width: 9.5; }
.si .side { fill: #4a5f6b; paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round; font-weight: 700; }
.si .leader { stroke: #4a5f6b; }
/* 輸尿管、尿道是畫上去的，選別的器官時不要跟著變淡；腎臟外框放大到包住玩具腎臟、不加底色 */
.si .atlas.has-pick .organ:not(.is-picked) > .shape { opacity: 1; }
.si .organ[data-region="kidney"] .shape { transform-box: fill-box; transform-origin: center; transform: scale(1.16, 1.13); }
.si .organ.is-picked[data-region="kidney"] .shape { fill-opacity: 0; }

/* ---------- 島民村（3D 小島）：class 都用 v- 開頭，跟地圖的 .panel 分開 ---------- */
.si .v-village { --er: #b4472b; --er-soft: #fbe9e3; --quote: #f3efe2; display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 1rem; align-items: start; margin: 0 0 1.4rem; }
@media (prefers-color-scheme: dark) { .si .v-village { --er: #f08f72; --er-soft: #3a211b; --quote: #22302f; } }
@media (max-width: 860px) { .si .v-village { grid-template-columns: minmax(0, 1fr); } }
.si .v-stage { position: relative; border-radius: 18px; overflow: hidden; background: #9fdde0; aspect-ratio: 4 / 3; border: 1px solid var(--line); max-width: 100%; box-shadow: var(--shadow); touch-action: pan-y; cursor: grab; }
@media (max-width: 860px) { .si .v-stage { aspect-ratio: 1 / .95; } }
@media (min-width: 861px) { .si .v-stage { position: sticky; top: 5rem; } }
.si .v-stage canvas { display: block; width: 100%; height: 100%; }
.si .v-hint { position: absolute; left: .7rem; bottom: .6rem; margin: 0; font-size: .75rem; color: #24434a; background: rgba(255,255,255,.78); border-radius: 999px; padding: .1rem .6rem; pointer-events: none; }
.si .v-home { position: absolute; right: .6rem; bottom: .6rem; font: inherit; font-size: .85rem; font-weight: 700; color: #0a5f54; background: #fff; border: 2px solid #0f7a6c; border-radius: 999px; padding: .15rem .8rem; cursor: pointer; }
.si .v-labels { position: absolute; inset: 0; pointer-events: none; }
.si .v-lab { position: absolute; left: 0; top: 0; transform: translate(-50%, -100%); white-space: nowrap; will-change: transform; }
/* 建築物：墨綠實心招牌、方角；島民：白色圓角小名牌＋衣服顏色的點 */
.si .v-sign { pointer-events: auto; font: inherit; font-size: .92rem; font-weight: 700; letter-spacing: .04em; color: #fff; background: #0f7a6c; border: 2px solid #fffaf0; border-radius: 4px; padding: .12rem .65rem; cursor: pointer; line-height: 1.6; box-shadow: 0 2px 0 #0a5f54; }
.si .v-sign.v-static { pointer-events: none; cursor: default; font-size: .72rem; padding: 0 .4rem; border-width: 1.5px; box-shadow: none; }
.si .v-sign.v-big { font-size: 1.2rem; padding: .2rem 1rem; }
.si .v-sign.v-er { background: #b4472b; box-shadow: 0 2px 0 #8a2f1a; }
.si .v-who { pointer-events: auto; font: inherit; font-size: .6rem; font-weight: 500; color: #34434b; background: rgba(255,255,255,.92); border: 1.5px solid #fff; border-radius: 999px; padding: 0 .4rem; box-shadow: 0 2px 6px rgba(16,35,43,.18); cursor: pointer; display: grid; justify-items: center; line-height: 1.5; }
.si .v-who.on { border-color: #0f7a6c; }
.si .v-who i { display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; margin-right: .18rem; vertical-align: .05em; }
.si .v-say { display: block; font-weight: 500; font-size: .6rem; color: #8a2f1a; }
.si .v-say:empty { display: none; }
.si .v-bubble { pointer-events: none; max-width: 15rem; white-space: normal; font-size: .82rem; line-height: 1.55; color: #16232b; background: #fffdf6; border: 1.5px solid #8fcfc0; border-radius: 12px; padding: .35rem .6rem; box-shadow: 0 2px 8px rgba(16,35,43,.15); }
.si .v-sign:focus-visible, .si .v-who:focus-visible, .si .v-home:focus-visible { outline: 3px solid #16232b; outline-offset: 2px; }
.si .v-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 1rem 1.1rem; display: grid; gap: .8rem; min-width: 0; }
.si .v-panel h2 { margin: 0; font-size: 1.15rem; }
.si .v-panel h2 small { font-weight: 400; color: var(--ink-soft); margin-left: .4rem; font-size: .9rem; }
.si .v-tabs { display: flex; gap: .4rem; }
.si .v-tab { font: inherit; font-size: .9rem; font-weight: 700; border-radius: 999px; padding: .2rem .9rem; border: 1.5px solid var(--line); background: transparent; color: var(--ink-soft); cursor: pointer; }
.si .v-tab[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .si .v-tab[aria-pressed="true"] { color: #0f1619; } }
.si .v-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.si .v-card { width: 100%; text-align: left; font: inherit; color: inherit; background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: .5rem .75rem; cursor: pointer; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .1rem .7rem; align-items: center; }
.si .v-card:hover { border-color: var(--accent); }
.si .v-card:focus-visible, .si .v-tab:focus-visible, .si .v-back:focus-visible, .si .v-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.si .v-dot { width: 1.8rem; height: 1.8rem; border-radius: 50%; border: 2px solid var(--surface); box-shadow: 0 0 0 1.5px var(--line); }
.si .v-name { font-weight: 700; }
.si .v-name small { font-weight: 400; color: var(--ink-soft); margin-left: .3rem; }
.si .v-line { grid-column: 2 / 4; font-size: .85rem; color: var(--ink-soft); margin: 0; }
.si .v-chip { font-size: .72rem; font-weight: 700; border-radius: 999px; padding: 0 .5rem; background: var(--surface-2); color: var(--ink-soft); white-space: nowrap; }
.si .v-chip.v-go { background: var(--accent-soft); color: var(--accent-ink); }
.si .v-chip.v-er { background: var(--er-soft); color: var(--er); }
.si .v-chip.v-idle { display: none; }
.si .v-bubble::after { content: ""; position: absolute; left: calc(50% + var(--tail, 0px)); bottom: -7px; margin-left: -6px; border: 6px solid transparent; border-bottom: 0; border-top-color: #8fcfc0; }
@media (prefers-color-scheme: dark) { .si .v-stage canvas { filter: brightness(.88); } }
.si .v-detail { display: grid; gap: .7rem; }
.si .v-back { justify-self: start; font: inherit; font-size: .85rem; color: var(--accent-ink); background: none; border: 0; padding: 0; cursor: pointer; }
.si .v-story, .si .v-dest { margin: 0; }
.si .v-dest { font-size: .9rem; color: var(--ink-soft); }
.si .v-dest b { color: var(--ink); }
.si .v-quote { margin: 0; background: var(--quote); border-radius: 12px; padding: .6rem .8rem; }
.si .v-quote cite { display: block; font-style: normal; font-size: .8rem; color: var(--ink-soft); margin-top: .2rem; }
.si .v-acts { display: flex; flex-wrap: wrap; gap: .5rem; }
.si .v-btn { font: inherit; font-weight: 700; text-decoration: none; border-radius: 999px; padding: .5rem 1.05rem; border: 2px solid var(--accent); display: inline-flex; align-items: center; gap: .3rem; cursor: pointer; }
.si .v-btn.v-pri { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .si .v-btn.v-pri { color: #0f1619; } }
.si .v-btn.v-sec { background: transparent; color: var(--accent-ink); }
.si .v-small { margin: 0; font-size: .8rem; color: var(--ink-soft); }
.si .v-erline { margin: 0; font-size: .85rem; background: var(--er-soft); color: var(--ink); border-radius: 10px; padding: .45rem .7rem; }
@media (min-width: 60rem) { .si .ctas.ctas-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .si .ctas.ctas-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.si .atlas-h { margin: .4rem 0 .2rem; font-size: 1.3rem; scroll-margin-top: 4.5rem; }
.si .v-who .v-nm { font-weight: inherit; }
/* 手機全景時島民名牌更小，名字仍顯示在頭上 */
@media (max-width: 860px) { .si .v-far .v-who { font-size: .54rem; padding: 0 .3rem; border-width: 1px; } .si .v-far .v-who i { width: .45rem; height: .45rem; margin-right: .12rem; } }
/* 手機全景：招牌縮小，免得互相蓋住；仍比島民名牌大一級 */
@media (max-width: 560px) { .si .v-sign { font-size: .74rem; padding: .05rem .45rem; border-width: 1.5px; } .si .v-sign.v-big { font-size: .84rem; padding: .08rem .6rem; } .si .v-sign.v-static { font-size: .64rem; } }
.si .v-village { scroll-margin-top: 5rem; }
.si .v-zoom { position: absolute; right: .6rem; bottom: .6rem; display: grid; gap: .3rem; }
.si .v-zoom button { width: 2.1rem; height: 2.1rem; font: inherit; font-size: 1.1rem; font-weight: 700; line-height: 1; color: #0a5f54; background: #fff; border: 2px solid #0f7a6c; border-radius: 50%; cursor: pointer; box-shadow: 0 2px 6px rgba(16,35,43,.15); }
.si .v-zoom button:disabled { opacity: .4; cursor: default; }
.si .v-zoom button:focus-visible { outline: 3px solid #16232b; outline-offset: 2px; }
.si .v-zoom[hidden] { display: none; }
.si .ctas[hidden] { display: none; }
.si .v-who.steer { outline: 2px solid #f2b33d; outline-offset: 1px; background: #fff7e0; }
.si .v-steering .v-hint { background: #fff7e0; color: #5a4310; font-weight: 700; }
.si .v-pop { position: absolute; left: .6rem; right: .6rem; bottom: .6rem; z-index: 5; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 14px; padding: .75rem .9rem .85rem; box-shadow: 0 6px 18px rgba(16, 35, 43, .14); cursor: auto; }
.si .v-pop h3 { margin: 0 1.8rem .3rem 0; font-size: 1.05rem; }
.si .v-pop p { margin: 0 0 .65rem; font-size: .88rem; line-height: 1.6; color: var(--ink-soft); }
.si .v-pop-x { position: absolute; top: .35rem; right: .4rem; width: 2.2rem; height: 2.2rem; border: 0; background: none; font-size: 1.4rem; line-height: 1; color: var(--ink-soft); cursor: pointer; }
.si .v-pop p { margin-bottom: .55rem; }
.si .v-pop .v-btn { padding: .45rem .95rem; font-size: .92rem; }
.si .v-pop .v-btn.v-er-btn { background: var(--er); border-color: var(--er); }
@media (prefers-color-scheme: dark) {
  .si .v-pop { border-color: rgba(255, 255, 255, .14); }
  .si .v-pop .v-btn.v-pri { background: #237f73; border-color: #237f73; color: #fff; }
  .si .v-pop .v-btn.v-er-btn { background: #b4472b; border-color: #b4472b; }
}
.si .v-wrongbar { margin: .4rem 0; padding: .45rem .75rem; border-radius: 10px; background: #fff3d6; color: #5a4310; font-weight: 700; }
@media (prefers-color-scheme: dark) { .si .v-wrongbar { background: #3a3018; color: #f6dca0; } }
.si .v-steerhint { margin: .4rem 0; padding: .45rem .75rem; border-radius: 10px; background: #fff7e0; color: #5a4310; font-weight: 700; font-size: .9rem; }
@media (prefers-color-scheme: dark) {
  .si .v-steerhint, .si .v-steering .v-hint { background: #3a3018; color: #f6dca0; }
  .si .v-who.steer { background: #3a3018; color: #f6dca0; }
}
.si .v-hint { max-width: calc(100% - 4.4rem); }

/* 療程（10-27 預覽）：到了醫院之後，一步一步陪島民把結石處理完 */
.si .v-steps { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.si .v-steps li { flex: 1; position: relative; border-radius: 3px; }
.si .v-steps li.done { background: color-mix(in srgb, var(--accent) 45%, transparent); }
.si .v-steps li.now { background: var(--accent); }
.si .v-steps span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.si .v-step-h { margin: 0; font-size: 1.1rem; }
.si .v-where { font-size: .85rem; color: var(--ink-soft); }
.si .v-done { margin: 0; font-weight: 700; color: var(--accent-ink); }
.si .v-link { font: inherit; background: none; border: 0; padding: 0; color: var(--accent-ink); font-weight: 700; text-decoration: underline; cursor: pointer; }
.si .v-ask { margin: 0 0 .5rem; font-size: .9rem; color: var(--ink-soft); }
.si .v-ask b { display: block; font-size: 1.05rem; color: var(--ink); }
.si .v-card.is-er { border-left: 4px solid var(--er); }
/* 設計師 10-27：紅框改內陰影（圓角不彎、頭像對齊），急診島民的狀況字也標紅；進度條拉開對比 */
.si .v-card.is-er { border-left-width: 1.5px; box-shadow: inset 4px 0 0 var(--er); }
.si .v-card.is-er .v-line { color: var(--er); font-weight: 700; }
.si .v-ask { padding-top: .6rem; border-top: 1px solid var(--line); }
.si .v-ask b { font-size: 1.15rem; color: var(--accent-ink); }
.si .v-steps li { height: 8px; background: color-mix(in srgb, var(--ink) 15%, transparent); }
.si .v-steps li.now { box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.si .v-journey .v-acts .v-pri { margin-left: auto; }
/* 設計師 10-27 第二輪：分岔選項同分量、進度條加文字說明、標題層次 */
.si .v-steps li:not(.done):not(.now):not(.more) { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.si .v-steps li.more { flex: .6; background: transparent; border: 1.5px dashed color-mix(in srgb, var(--ink) 40%, transparent); }
.si .v-steps-cap { margin: -.35rem 0 .3rem; font-size: .78rem; color: var(--ink-soft); }
.si .v-journey h2 { font-size: 1.05rem; }
.si .v-journey .v-dest { margin-top: .2rem; }
.si .v-journey .v-step-h { margin-top: -.3rem; font-size: 1.2rem; }
.si .v-journey .v-small a { color: var(--accent-ink); }
.si .v-fork { display: grid; gap: .45rem; margin: 0; }
.si .v-fork-q { margin: 0; font-size: .9rem; font-weight: 700; color: var(--ink-soft); }
.si .v-opt { width: 100%; text-align: left; font: inherit; font-weight: 700; color: var(--ink); background: var(--bg); border: 1.5px solid var(--accent); border-radius: 12px; padding: .6rem .85rem; cursor: pointer; display: flex; justify-content: space-between; gap: .5rem; }
.si .v-opt::after { content: "→"; color: var(--accent-ink); }
.si .v-opt:hover { background: var(--accent-soft); }
.si .v-opt:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (min-width: 861px) { .si .v-fork { grid-template-columns: 1fr 1fr; } .si .v-fork-q { grid-column: 1 / -1; } }
.si .v-game { display: grid; gap: .35rem; justify-items: start; padding: .7rem .8rem; border-radius: 12px; background: var(--accent-soft); }
.si .v-game a { text-decoration: none; border-radius: 14px; line-height: 1.4; }
.si .v-game span { font-size: .85rem; color: var(--ink-soft); }
.si .v-game + .v-fork { border-top: 1px dashed var(--line); padding-top: .7rem; }
/* 大門招牌比急診、門診低調（設計師 10-27） */
.si .v-sign.v-main { background: #fffaf0; color: #0f7a6c; border-color: #0f7a6c; box-shadow: none; font-size: .78rem; }
@media (max-width: 560px) { .si .v-sign.v-main { font-size: .64rem; } }
/* 療程場景裡病人說的話：琥珀色框，跟醫護人員的綠框分開 */
.si .v-bubble.v-pt { border-color: #e0a43a; max-width: 11rem; }
.si .v-bubble.v-pt::after { border-top-color: #e0a43a; }
.si .v-bubble.v-scene { max-width: 11rem; }
.si .v-bubble.v-scene { border-color: #0f7a6c; border-width: 2px; }
.si .v-bubble.v-scene::after { border-top-color: #0f7a6c; }
/* 唸給我聽（預覽）：步驟標題下面；朗讀中改半實心＋三條小音波，不搶下面選項的主次 */
.si .v-read { display: inline-flex; justify-self: start; width: auto; align-items: center; gap: .35rem; min-height: 44px; margin: .4rem 0 .7rem; padding: .4rem 1rem; font: inherit; font-size: .95rem; border-radius: 99px; border: 1px solid var(--accent); background: transparent; color: var(--accent-ink); cursor: pointer; }
.si .v-read.on { background: color-mix(in srgb, var(--accent) 20%, transparent); font-weight: 600; }
/* 內建瀏覽器不能朗讀時的提示：放在按鈕原本的位置，字小一級、不搶故事本文 */
.si .v-read-hint { margin: .4rem 0 .4rem; font-size: .9rem; line-height: 1.6; color: var(--ink-soft); }
/* 連結不拆行（「打／開」被拆開像排版錯誤）；padding 加大觸控區、負 margin 抵銷不撐行距 */
.si .v-read-hint a { color: var(--accent-ink); font-weight: 600; white-space: nowrap; display: inline-block; padding: .6rem 0; margin: -.6rem 0; text-underline-offset: .2em; }
.si .v-wave { display: inline-flex; align-items: center; gap: 2px; height: 14px; margin-left: .15rem; }
.si .v-wave b { width: 3px; height: 100%; border-radius: 2px; background: currentColor; animation: v-wave 1s ease-in-out infinite; }
.si .v-wave b:nth-child(2) { animation-delay: .15s; } .si .v-wave b:nth-child(3) { animation-delay: .3s; }
@keyframes v-wave { 0%, 100% { transform: scaleY(.35); } 50% { transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce) { .si .v-wave b { animation: none; transform: scaleY(.7); } }
.si a.v-card { text-decoration: none; box-sizing: border-box; }