/* 变格王国（/forms）、做题卡片、屏幕俄文键盘、60 秒快闪、Boss 战（2026-10 重做）
 * 每个格一种颜色：--case-nom … --case-prep，动词 --case-verb。组件里用 --c 接住当前的格色。 */
:root {
  --case-nom: #d9772b; --case-gen: #7d5bc6; --case-dat: #2b86c9;
  --case-acc: #d0435a; --case-ins: #1f9a86; --case-prep: #b08a17; --case-verb: #4f6478;
}
[data-theme="dark"] {
  --case-nom: #f0944d; --case-gen: #a487e6; --case-dat: #5aa9e6;
  --case-acc: #ec6b80; --case-ins: #43c2ab; --case-prep: #dcb53f; --case-verb: #8ea3b8;
}
.kd { --c: var(--gold); max-width: 980px; margin: 0 auto; }
.kd-title { margin: 4px 0 4px; }
.kd-h2 { font-size: 18px; margin: 28px 0 12px; display: flex; align-items: baseline; gap: 10px; }
.kd-h2 small { font-size: 12px; font-weight: 400; color: var(--text-dim); }
.kd-note { margin-top: 10px; }
.kd-preview { display: block; margin: 10px 0 0; }

/* ---------- 头图 ---------- */
.kd-hero {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 220px; gap: 20px; align-items: center;
  padding: 28px 28px 26px; border-radius: 22px; color: #fff;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255,255,255,.14), transparent 55%),
    linear-gradient(135deg, #2a2340 0%, #3b2d5c 45%, #6a3f5f 100%);
  box-shadow: 0 18px 40px -18px rgba(44, 30, 80, .55);
}
.kd-hero::after { /* 地图上的等高线，纯装饰 */
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .12;
  background: repeating-radial-gradient(circle at 85% 30%, transparent 0 18px, #fff 18px 19px);
}
.kd-hero h1 { font-size: 34px; margin: 2px 0 6px; letter-spacing: 1px; }
.kd-hero p { margin: 0 0 14px; opacity: .85; max-width: 32em; }
.kd-kicker { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; opacity: .75; }
.kd-hero-text { position: relative; z-index: 1; }
.kd-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.kd-pill { display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px; border-radius: 999px; font-size: 13px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.18); color: inherit; }
.kd-pill.link { cursor: pointer; }
.kd-pill.link:hover { background: rgba(255,255,255,.24); }
.kd-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.kd-cta { background: #ffd66b; color: #2a1f05; border: none; font-weight: 700; padding: 11px 22px; border-radius: 12px; box-shadow: 0 6px 0 #c99a2a; transition: transform .1s, box-shadow .1s; }
.kd-cta:hover:not(:disabled) { transform: translateY(-1px); }
.kd-cta:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 2px 0 #c99a2a; }
.kd-ghost { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.35); padding: 10px 18px; border-radius: 12px; }
.kd-ghost:hover:not(:disabled) { background: rgba(255,255,255,.2); }
.kd-hero-art { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kd-hero-art span {
  aspect-ratio: 1; display: grid; place-items: center; font-size: 30px; border-radius: 50%;
  background: color-mix(in srgb, var(--c) 70%, #fff 0%); box-shadow: inset 0 -6px 0 rgba(0,0,0,.18), 0 6px 14px rgba(0,0,0,.25);
  animation: kd-bob 3.2s ease-in-out infinite;
}
.kd-hero-art span:nth-child(2n) { animation-delay: -1.1s; }
.kd-hero-art span:nth-child(3n) { animation-delay: -2.2s; }
@keyframes kd-bob { 50% { transform: translateY(-6px); } }

/* ---------- 子导航 ---------- */
.kd-nav { display: flex; gap: 6px; margin: 16px 0 0; padding: 4px; background: var(--bg-soft); border-radius: 12px; width: fit-content; max-width: 100%; }
.kd-nav button { border: none; background: none; padding: 7px 14px; border-radius: 9px; cursor: pointer; color: var(--text-dim); white-space: nowrap; }
.kd-nav button.on { background: var(--card); color: var(--text); box-shadow: var(--shadow); font-weight: 600; }

/* ---------- 地图 ---------- */
.kd-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kd-isle {
  position: relative; text-align: left; cursor: pointer; padding: 14px 14px 12px; border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--c) 30%, var(--line));
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 14%, var(--card)) 0%, var(--card) 70%);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--c) 25%, transparent), var(--shadow);
  transition: transform .15s, box-shadow .15s; display: flex; flex-direction: column; gap: 2px; min-height: 168px;
}
.kd-isle.verb { grid-column: 1 / -1; min-height: 0; }
.kd-isle:hover { transform: translateY(-3px); box-shadow: 0 10px 26px -10px color-mix(in srgb, var(--c) 60%, transparent); }
.kd-isle:active { transform: translateY(0) scale(.98); }
.kd-isle-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; }
.kd-num { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--c); box-shadow: inset 0 -3px 0 rgba(0,0,0,.18); }
.kd-boss { position: relative; font-size: 34px; line-height: 1; filter: drop-shadow(0 3px 4px rgba(0,0,0,.15)); }
.kd-boss.down { filter: grayscale(.6) opacity(.75); }
.kd-boss i { position: absolute; right: -8px; top: -10px; font-size: 18px; font-style: normal; filter: none; }
.kd-place { font-size: 18px; font-weight: 700; color: var(--c); }
.kd-case { font-size: 13px; color: var(--text-dim); }
.kd-ask { font-size: 14px; font-style: italic; margin-top: 2px; }
.kd-ask.big { font-size: 22px; margin: 4px 0 6px; font-style: italic; }
.kd-isle-foot { margin-top: auto; padding-top: 10px; display: flex; justify-content: space-between; align-items: center; color: var(--text-dim); }
.kd-stars i { font-style: normal; color: color-mix(in srgb, var(--text-dim) 35%, transparent); font-size: 16px; letter-spacing: 1px; }
.kd-stars i.on { color: #f2b416; text-shadow: 0 1px 0 #b07f00; }

/* ---------- 游戏架 ---------- */
.kd-shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.kd-game { display: grid; grid-template-columns: 46px 1fr; grid-template-rows: auto auto; column-gap: 12px; padding: 14px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .15s; }
.kd-game:hover { transform: translateY(-2px); }
.kd-game.hot { border-color: #f2b416; background: linear-gradient(150deg, color-mix(in srgb, #f2b416 14%, var(--card)), var(--card) 65%); }
.kd-game-ico { grid-row: 1 / 3; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 26px; background: var(--bg-soft); }
.kd-game-name { font-weight: 700; }
.kd-game-name em { font-style: normal; font-size: 11px; margin-left: 6px; padding: 1px 6px; border-radius: 6px; background: var(--bg-soft); color: var(--text-dim); }
.kd-game-desc { font-size: 13px; color: var(--text-dim); line-height: 1.45; }
.kd-custom { margin: 24px 0 8px; border: 1px dashed var(--line); border-radius: 14px; padding: 10px 14px; background: var(--card-2); }
.kd-custom summary { cursor: pointer; font-weight: 600; }
.kd-custom-body { padding-top: 12px; }

/* ---------- 岛的页面 ---------- */
.kd-back { margin-bottom: 10px; }
.kd-ihero {
  display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: center; padding: 24px; border-radius: 22px; color: #fff;
  background: radial-gradient(120% 120% at 0% 0%, rgba(255,255,255,.22), transparent 50%), linear-gradient(135deg, var(--c), color-mix(in srgb, var(--c) 55%, #1b1530));
  box-shadow: 0 18px 40px -20px var(--c);
}
.kd-ihero h1 { margin: 2px 0 0; font-size: 30px; }
.kd-ihero p { margin: 0 0 8px; opacity: .92; }
.kd-ihero .kd-pills { margin: 12px 0 0; }
.kd-ihero .kd-stars i { color: rgba(255,255,255,.35); }
.kd-ihero .kd-stars i.on { color: #ffd66b; text-shadow: none; }
.kd-ihero-boss { font-size: 84px; text-align: center; line-height: 1; filter: drop-shadow(0 8px 10px rgba(0,0,0,.3)); animation: kd-bob 3s ease-in-out infinite; }
.kd-ex { display: inline-block; padding: 6px 12px; border-radius: 10px; background: rgba(0,0,0,.18); font-size: 17px; }
.kd-ex b { color: #ffe08a; }
.kd-acts { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 16px; }
.kd-act { text-align: left; display: grid; grid-template-columns: 44px 1fr; column-gap: 12px; padding: 16px; border-radius: 16px; border: 1px solid var(--line); background: var(--card); cursor: pointer; box-shadow: var(--shadow); transition: transform .15s; }
.kd-act:hover { transform: translateY(-2px); }
.kd-act .kd-act-ico { grid-row: 1 / 3; font-size: 28px; display: grid; place-items: center; }
.kd-act span:last-child { font-size: 13px; color: var(--text-dim); }
.kd-act.main { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.kd-act.main span:last-child { color: inherit; opacity: .75; }
.kd-cheat { --c: var(--gold); }
.kd-cheat-h { font-size: 13px; color: var(--text-dim); margin: 6px 0; }
.kd-rules { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; margin-bottom: 10px; }
.kd-rule { padding: 10px 12px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--c); display: flex; flex-direction: column; }
.kd-rule b { font-size: 18px; color: var(--c); }
.kd-rule span { font-size: 13px; }
.kd-rule small { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

/* ---------- 变化表 / 错题本 ---------- */
.kd-search { max-width: 220px; }
.ft-chip.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.kd-tableview { margin-top: 14px; }
.kd-due { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 16px; margin-top: 16px; background: linear-gradient(135deg, color-mix(in srgb, #f2b416 18%, var(--card)), var(--card)); border: 1px solid color-mix(in srgb, #f2b416 35%, var(--line)); }
.kd-wtable { margin-top: 10px; display: flex; flex-direction: column; }
.kd-wrow { display: grid; grid-template-columns: 1.4fr 1fr 1fr 40px; gap: 8px; padding: 8px 2px; border-bottom: 1px solid var(--line); align-items: center; font-size: 14px; }
.kd-wl small { display: block; color: var(--text-dim); font-size: 12px; }
.kd-wk { font-size: 13px; }
.kd-wn { text-align: right; color: var(--bad); font-weight: 700; }

/* 变化表：行首的格用格色 */
.ft th[data-case] { color: var(--c); border-left: 3px solid var(--c); }

/* ================= 做题（runner） ================= */
.qz { max-width: 640px; margin: 0 auto; }
.qz-top { display: flex; align-items: center; gap: 10px; }
.qz-x { border: none; background: none; font-size: 20px; color: var(--text-dim); cursor: pointer; padding: 4px 6px; }
.qz-track { flex: 1; display: flex; gap: 4px; }
.qz-track i { flex: 1; height: 8px; border-radius: 4px; background: var(--line); transition: background .3s; }
.qz-track i.now { background: color-mix(in srgb, var(--text) 35%, var(--line)); }
.qz-track i.ok { background: var(--ok); }
.qz-track i.bad { background: var(--bad); }
.qz-combo { min-width: 54px; text-align: center; font-weight: 700; font-size: 15px; padding: 3px 10px; border-radius: 999px; background: var(--bg-soft); transition: transform .2s; }
.qz-combo.hot { background: #ffe1b3; color: #8a3b00; transform: scale(1.08); }
.qz-combo.fire { background: linear-gradient(90deg, #ff9a3c, #ff4e50); color: #fff; animation: qz-throb .8s ease-in-out infinite; }
@keyframes qz-throb { 50% { transform: scale(1.14); } }
.qz-sub { display: flex; justify-content: space-between; align-items: center; margin: 12px 0 10px; font-size: 13px; color: var(--text-dim); gap: 8px; }
.seg { display: inline-flex; background: var(--bg-soft); border-radius: 10px; padding: 3px; }
.seg button { border: none; background: none; padding: 5px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text-dim); }
.seg button.on { background: var(--card); color: var(--text); box-shadow: var(--shadow); font-weight: 600; }
.qz-card { background: var(--card); border-radius: 20px; padding: 20px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.qz-card.pop { animation: qz-pop .28s ease-out; }
@keyframes qz-pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }
.qz-face { --c: var(--gold); border-left: 5px solid var(--c); padding-left: 14px; margin-bottom: 16px; }
.qz-tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 8px; }
.qz-chip { font-size: 12px; font-weight: 700; color: #fff; background: var(--c); padding: 2px 10px; border-radius: 999px; }
.qz-label { font-size: 12px; color: var(--text-dim); }
.qz-sent { font-size: 26px; line-height: 1.6; font-weight: 500; }
.qz-lemma.big { font-size: 34px; font-weight: 800; color: var(--c); }
.qz-arrow { color: var(--text-dim); font-size: 18px; line-height: 1; }
.qz-blank { display: inline-block; min-width: 3.2em; text-align: center; padding: 0 6px; border-bottom: 3px solid var(--c); color: var(--c); font-weight: 700; transition: background .2s; border-radius: 6px 6px 0 0; }
.qz-blank.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); border-color: var(--ok); color: var(--text); animation: qz-pop .25s; }
.qz-blank.bad { background: color-mix(in srgb, var(--bad) 12%, transparent); border-color: var(--bad); color: var(--text); }
.qz-blank s { color: var(--bad); font-weight: 400; font-size: .8em; }
.qz-hint { margin-top: 6px; color: var(--text-dim); font-size: 14px; }
.qz-hint b { color: var(--text); font-weight: 600; font-size: 16px; }
.qz-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qz-opt {
  position: relative; padding: 14px 10px; border-radius: 14px; border: 2px solid var(--line); background: var(--card-2);
  font-size: 22px; cursor: pointer; box-shadow: 0 4px 0 var(--line); transition: transform .08s, box-shadow .08s, border-color .15s;
  overflow-wrap: anywhere;
}
.qz-opt small { position: absolute; left: 8px; top: 4px; font-size: 11px; color: var(--text-dim); }
.qz-opt .dim { color: var(--text-dim); font-weight: 400; }
.qz-opt b { color: var(--text); }
.qz-opt:hover:not(:disabled) { border-color: color-mix(in srgb, var(--text) 40%, var(--line)); }
.qz-opt:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 var(--line); }
.qz-opt:disabled { cursor: default; opacity: .55; }
.qz-opt.ok { opacity: 1; border-color: var(--ok); background: color-mix(in srgb, var(--ok) 16%, var(--card)); box-shadow: 0 4px 0 var(--ok); }
.qz-opt.bad { opacity: 1; border-color: var(--bad); background: color-mix(in srgb, var(--bad) 14%, var(--card)); box-shadow: 0 4px 0 var(--bad); animation: qz-no .3s; }
@keyframes qz-no { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.qz-type { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; }
.qz-type .ft-answer { flex: 1; min-width: 0; }
.qz-type .ft-input { width: 100%; min-width: 0; }
.qz-fb { margin-top: 12px; }
.qz-fb .ft-fb { margin-top: 0; }
.qz-explain { font-size: 14px; color: var(--text-dim); margin: 8px 0 0; }
.qz-next { display: block; width: 100%; margin-top: 12px; padding: 12px; font-size: 16px; }
.qz-done { text-align: center; }
.qz-done h2 { margin: 6px 0 12px; }
.qz-stars span { font-size: 46px; color: var(--line); display: inline-block; margin: 0 4px; }
.qz-stars span.on { color: #f2b416; animation: qz-star .5s both cubic-bezier(.3,1.6,.5,1); text-shadow: 0 2px 0 #b07f00; }
@keyframes qz-star { from { transform: scale(0) rotate(-40deg); } }
.qz-ring { --p: 0; width: 120px; height: 120px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-content: center; text-align: center;
  background: radial-gradient(closest-side, var(--card) 78%, transparent 79%), conic-gradient(var(--ok) calc(var(--p) * 1%), var(--line) 0); }
.qz-ring b { font-size: 28px; line-height: 1; }
.qz-ring span { font-size: 12px; color: var(--text-dim); }
.qz-stats { justify-content: center; }
.qz-wrongs { text-align: left; margin-top: 14px; }
.qz-wlist { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.qz-w { --c: var(--gold); display: inline-flex; flex-direction: column; padding: 6px 10px; border-radius: 10px; border: 1px solid var(--line); border-left: 4px solid var(--c); font-size: 14px; }
.qz-w small { color: var(--text-dim); font-size: 11px; }
.qz-actions { justify-content: center; gap: 8px; margin-top: 18px; flex-wrap: wrap; }

/* 反馈：词尾高亮 */
.fx-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 20px; }
.fx-mark { font-weight: 800; }
.ft-fb.ok .fx-mark { color: var(--ok); }
.ft-fb.bad .fx-mark { color: var(--bad); }
.fx-form { font-weight: 600; }
.fx-form em { font-style: normal; font-weight: 800; color: var(--case-acc); background: color-mix(in srgb, var(--case-acc) 12%, transparent); padding: 0 2px; border-radius: 4px; }
.ft-fb.ok .fx-form em { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.fx-mine { color: var(--bad); font-size: 16px; }
.fx-say { border: none; background: var(--bg-soft); border-radius: 50%; width: 32px; height: 32px; cursor: pointer; font-size: 15px; }
.fx-more { border: none; background: none; color: var(--text-dim); text-decoration: underline; cursor: pointer; padding: 6px 0 0; font-size: 13px; }

/* ================= 屏幕俄文键盘 ================= */
.kb-toggle.on { background: var(--accent); color: var(--accent-text); }
.ru-kb { margin-top: 8px; padding: 6px; border-radius: 12px; background: var(--bg-soft); user-select: none; -webkit-user-select: none; touch-action: manipulation; }
.kb-row { display: flex; gap: 4px; justify-content: center; margin: 4px 0; }
.kb-key { flex: 1 1 0; min-width: 0; max-width: 44px; height: 42px; border: none; border-radius: 8px; background: var(--card); box-shadow: 0 2px 0 var(--line); font-size: 18px; cursor: pointer; padding: 0; }
.kb-key:active { transform: translateY(2px); box-shadow: none; background: var(--bg); }
.kb-key.wide { max-width: 80px; flex-grow: 1.6; font-size: 14px; }
.kb-key.space { max-width: 220px; flex-grow: 5; font-size: 13px; color: var(--text-dim); }
.kb-key.go { background: var(--accent); color: var(--accent-text); }

/* ================= 60 秒快闪 ================= */
.bz-intro { max-width: 460px; margin: 10px auto; text-align: center; background: var(--card); border-radius: 22px; padding: 26px 20px; box-shadow: var(--shadow); }
.bz-bolt { font-size: 64px; line-height: 1; animation: kd-bob 1.6s ease-in-out infinite; }
.bz-intro h2 { margin: 8px 0; }
.bz-rules { text-align: left; display: inline-block; margin: 6px 0 14px; padding-left: 20px; color: var(--text-dim); }
.bz-scope { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 8px 0 18px; }
.bz-chip { --c: var(--accent); border: 1.5px solid color-mix(in srgb, var(--c) 50%, var(--line)); background: var(--card); color: var(--text); border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: 13px; }
.bz-chip.on { background: var(--c); color: #fff; border-color: var(--c); }
.bz-go { min-width: 180px; }
.bz-count { font-size: 72px; font-weight: 800; text-align: center; padding: 30px 0; }
.bz-count.tick { animation: qz-star .4s; }
.bz { max-width: 640px; margin: 0 auto; }
.bz-hud { display: flex; justify-content: space-between; align-items: center; font-size: 15px; margin-bottom: 6px; }
.bz-hud b { font-size: 22px; font-variant-numeric: tabular-nums; }
.bz-score small { color: var(--text-dim); }
.bz-mult { font-weight: 800; padding: 3px 10px; border-radius: 999px; background: var(--bg-soft); }
.bz-mult.m2 { background: #ffe1b3; color: #8a3b00; }
.bz-mult.m3 { background: linear-gradient(90deg, #ff9a3c, #ff4e50); color: #fff; }
.bz-time { height: 10px; border-radius: 5px; background: var(--line); overflow: hidden; margin-bottom: 12px; }
.bz-time i { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--ok), #9bd36a); transition: width .1s linear; }
.bz-time.low i { background: linear-gradient(90deg, var(--bad), #ff8a5c); }
.bz-stage .qz-card { padding: 16px; }
.bz-stage .qz-opt { font-size: 20px; padding: 16px 8px; }
.bz-float { position: fixed; z-index: 90; transform: translate(-50%, 0); font-weight: 800; font-size: 22px; color: var(--ok); pointer-events: none; animation: bz-up .8s ease-out forwards; }
.bz-float.bad { color: var(--bad); }
@keyframes bz-up { to { transform: translate(-50%, -50px); opacity: 0; } }

/* ================= Boss 战 ================= */
.cb-pick h3 { margin: 4px 0 12px; }
.cb-pick h3 small { font-weight: 400; font-size: 12px; }
.cb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.cb-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 18px 10px 14px; border-radius: 18px; cursor: pointer; text-align: center;
  border: 1px solid color-mix(in srgb, var(--c) 35%, var(--line)); background: linear-gradient(180deg, color-mix(in srgb, var(--c) 18%, var(--card)), var(--card)); transition: transform .15s; }
.cb-card:hover { transform: translateY(-3px); }
.cb-card b { color: var(--c); }
.cb-card .small { color: var(--text-dim); }
.cb-emoji { font-size: 46px; line-height: 1.1; }
.cb-card.down .cb-emoji { filter: grayscale(.5); }
.cb-crown { position: absolute; top: 8px; right: 10px; font-style: normal; font-size: 20px; }
.cb-arena { position: relative; overflow: hidden; text-align: center; padding: 18px 16px 14px; border-radius: 22px; color: #fff;
  background: radial-gradient(90% 80% at 50% 30%, rgba(255,255,255,.22), transparent 60%), linear-gradient(160deg, var(--c), color-mix(in srgb, var(--c) 45%, #120d22)); }
.cb-arena.shake { animation: qz-no .35s; }
.cb-name { display: flex; justify-content: center; gap: 10px; align-items: baseline; }
.cb-name span { font-size: 13px; opacity: .8; }
.cb-arena .ft-boss { font-size: 92px; margin: 6px 0; filter: drop-shadow(0 10px 12px rgba(0,0,0,.35)); animation: kd-bob 2.4s ease-in-out infinite; }
.cb-arena .ft-boss.hit { animation: none; transform: scale(.8) rotate(-10deg); filter: brightness(2) drop-shadow(0 0 16px #fff); }
.cb-arena .ft-boss.atk { animation: none; transform: scale(1.25); }
.cb-hp { height: 12px; max-width: 320px; margin: 4px auto; border-radius: 6px; background: rgba(0,0,0,.3); overflow: hidden; }
.cb-hp i { display: block; height: 100%; background: linear-gradient(90deg, #ff5d5d, #ffb36b); transition: width .4s cubic-bezier(.3,1.4,.5,1); }
.cb-arena .ft-hearts { font-size: 20px; }
.cb-ask { font-style: italic; opacity: .8; font-size: 14px; margin-top: 2px; }
.cb-dmg { position: absolute; left: 50%; top: 30%; font-size: 34px; font-weight: 900; color: #fff3b0; text-shadow: 0 3px 0 rgba(0,0,0,.35); animation: bz-up .9s ease-out forwards; }
.cb-stage { background: var(--card); border-radius: 18px; padding: 16px; margin-top: 12px; box-shadow: var(--shadow); border: 1px solid var(--line); }

/* ================= 手机竖屏 ================= */
@media (max-width: 640px) {
  .kd-hero { grid-template-columns: 1fr; padding: 22px 18px; border-radius: 18px; }
  .kd-hero h1 { font-size: 28px; }
  .kd-hero-art { display: flex; gap: 6px; order: -1; }
  .kd-hero-art span { width: 38px; font-size: 20px; }
  .kd-hero-actions .btn { flex: 1; }
  .kd-map { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kd-isle { min-height: 150px; padding: 12px 11px 10px; border-radius: 16px; }
  .kd-place { font-size: 16px; }
  .kd-boss { font-size: 28px; }
  .kd-ask { font-size: 13px; }
  .kd-shelf { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kd-game { grid-template-columns: 1fr; padding: 12px; row-gap: 4px; }
  .kd-game-ico { grid-row: auto; width: 40px; height: 40px; font-size: 22px; }
  .kd-game-name { font-size: 14px; }
  .kd-game-desc { font-size: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .kd-ihero { grid-template-columns: 1fr; text-align: left; padding: 18px; }
  .kd-ihero-boss { font-size: 56px; text-align: left; }
  .kd-ihero h1 { font-size: 24px; }
  .kd-wrow { grid-template-columns: 1.3fr 1fr 34px; }
  .kd-wrow > s { display: none; }
  .qz-card { padding: 16px 14px; border-radius: 16px; }
  .qz-sent { font-size: 22px; }
  .qz-opt { font-size: 20px; padding: 14px 6px; }
  .kd-due { flex-direction: column; align-items: stretch; }
  .kb-key { height: 40px; font-size: 17px; }
}
.qz-blank.ok .fx-form em { color: var(--ok); background: none; }
.qz-blank.bad .fx-form em { background: none; }
.qz-done h2 { justify-content: center; font-size: 22px; }
.qz-done h2::before, .bz-intro h2::before { display: none; }
.bz-intro h2 { justify-content: center; }
.qz-stats { grid-template-columns: repeat(3, 1fr); }
.qz-stats .stat b { font-size: 20px; }
.qz-table { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; }
.qz-table .qz-arrow { font-size: 24px; }
.qz-table .qz-sent { font-size: 30px; }
.qz-label.need { flex-basis: 100%; font-size: 15px; font-weight: 600; color: var(--text); }
.ft-under { margin-top: 10px; }
.ft-under .ft-input { width: 100%; }
.ft-under .ft-answer > .row { flex-wrap: nowrap; }

/* ================= 老虎机 / 词尾方块 / 填空故事：换上新外观（逻辑不变） ================= */
.ft-machine { gap: 8px; padding: 16px 12px; margin: 4px auto 12px; max-width: 520px; border-radius: 22px;
  background: linear-gradient(180deg, #4a2f6b, #2a1c40); box-shadow: inset 0 2px 0 rgba(255,255,255,.15), 0 14px 30px -14px rgba(42,28,64,.7); flex-wrap: nowrap; }
.ft-reel { flex: 1; min-width: 0; max-width: none; border: none; border-radius: 12px; padding: 18px 6px; font-size: 18px;
  background: linear-gradient(180deg, #e9e4dc 0%, #fff 30%, #fff 70%, #e9e4dc 100%); color: #2a2320; box-shadow: inset 0 3px 6px rgba(0,0,0,.18); overflow-wrap: anywhere; transition: transform .1s; }
.ft-reel.spin { opacity: 1; filter: blur(1.2px); transform: translateY(3px); }
.ft-reel.jackpot { background: linear-gradient(180deg, #ffe08a, #fff4c4 40%, #ffe08a); color: #5a3d00; }
.ft-jack { font-size: 22px; text-align: center; animation: qz-star .5s; }
.ft-fall { border: none; border-radius: 18px; background: linear-gradient(180deg, #1d2440 0%, #2c3560 100%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.ft-block { border: none; border-radius: 12px; background: linear-gradient(180deg, #ffd66b, #f2b416); color: #3a2a00; box-shadow: 0 4px 0 #b07f00, 0 8px 14px rgba(0,0,0,.3); }
.ft-block:active { transform: translateY(2px); }
.ft-block.ok { background: linear-gradient(180deg, #8fe3a4, #3fbf6b); box-shadow: 0 4px 0 #2a8a4a; }
.ft-block.bad { background: linear-gradient(180deg, #ff9a9a, #e2574f); box-shadow: 0 4px 0 #a33a34; }
.ft-stem { margin: 10px 0 4px; }
.ft-slot { border-radius: 8px 8px 0 0; background: color-mix(in srgb, var(--gold) 12%, transparent); }
.ft-story { background: linear-gradient(180deg, #fffaf0, #fbf3e2); color: #2d2416; padding: 18px 20px; border-radius: 14px; box-shadow: inset 0 0 0 1px #eadfc8; font-family: Georgia, "Times New Roman", serif; }
[data-theme="dark"] .ft-story { background: linear-gradient(180deg, #2b2720, #26221b); color: #ece3d0; box-shadow: inset 0 0 0 1px #3d3528; }
.ft-gap { border-radius: 6px; transition: background .2s; }
.ft-gap.now { background: color-mix(in srgb, var(--gold) 22%, transparent); animation: kd-glow 1.4s ease-in-out infinite; }
@keyframes kd-glow { 50% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 35%, transparent); } }
[data-theme="dark"] .ft-gap.ok { background: #1d3a24; color: #b9eec6; }
[data-theme="dark"] .ft-gap.bad { background: #442220; color: #ffc9c4; }
.qz-opt.ghost { display: block; height: 62px; cursor: default; animation: kd-glow 1.2s ease-in-out infinite; }

/* 词形还没被老师核对过（老师 2026-10-13 决定先放开出题） */
.qz-unverified { padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #8a5a00; background: #fff3d6; border: 1px solid #f1d08a; }
[data-theme="dark"] .qz-unverified { color: #ffd98a; background: #3d3115; border-color: #6b5420; }