/* study.css — 听故事学习界面 */

.study-panel {
  /* 上限 600，但不能超过外层 .app-shell 给的实际宽度。
     只写 max-width:600px 时，面板作为压不下来的 flex item 会被书架长标题顶宽，
     撑破手机屏、整页能左右晃。用 min() 跟着可用宽度走。 */
  max-width: min(600px, 100%);
  margin: 0 auto;
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.study-shell {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  /* 内容比一屏短的步骤（通关屏）落在屏幕中间，别挤在顶部 */
  flex: 1;
  justify-content: center;
}

.study-step {
  animation: studyFadeIn 0.3s ease;
}

@keyframes studyFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.study-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.25rem;
}

.study-subtitle {
  font-size: 1.1rem;
  color: #666;
  text-align: center;
  margin-bottom: 1rem;
}

.study-hook-text {
  font-size: 1.1rem;
  line-height: 1.8;
  padding: 1rem;
  background: #fff8f0;
  border-radius: 8px;
  border-left: 4px solid #d4600a;
  margin-bottom: 1rem;
}

/* ---- 播放器（呼吸球，方案 A） ---- */

.player {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 70vh;
  padding: 0.5rem 0 0.25rem;
}

.player-now {
  font-size: 0.75rem;
  color: #aaa;
  letter-spacing: 0.2em;
  text-align: center;
}

.player-title {
  margin-top: 0.5rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: #1f2933;
  text-align: center;
  line-height: 1.4;
  padding: 0 0.5rem;
}

.player-dots {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.player-dots .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ddd;
}

.player-dots .dot.on {
  background: #d4600a;
}

.player-orb-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.player-orb {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: radial-gradient(circle at 35% 30%, #e8832a, #d4600a 70%);
  box-shadow: 0 14px 34px rgba(212, 96, 10, 0.32), 0 0 0 10px rgba(212, 96, 10, 0.06);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}

.player-orb.playing {
  animation: playerBreathe 2.6s ease-in-out infinite;
}

@keyframes playerBreathe {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 14px 34px rgba(212, 96, 10, 0.32), 0 0 0 10px rgba(212, 96, 10, 0.06);
  }
  50% {
    transform: scale(1.045);
    box-shadow: 0 18px 44px rgba(212, 96, 10, 0.42), 0 0 0 16px rgba(212, 96, 10, 0.09);
  }
}

.player-progress {
  width: 100%;
  max-width: 320px;
}

.player-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #aaa;
  margin-bottom: 0.5rem;
}

.player-track {
  height: 4px;
  background: #e8e6e2;
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}

.player-fill {
  height: 100%;
  width: 0%;
  background: #d4600a;
  border-radius: 2px;
  transition: width 0.2s linear;
}

.player-minor {
  margin-top: 1.5rem;
  display: flex;
  gap: 2.75rem;
  justify-content: center;
}

.player-minor button {
  border: none;
  background: none;
  color: #999;
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.5rem 0;
}

.player-minor button.cur {
  color: #d4600a;
  font-weight: 600;
}

.study-story-content {
  font-size: 1.1rem;
  line-height: 2;
  padding: 1rem;
  background: #fafafa;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.study-story-content .word {
  cursor: pointer;
  padding: 2px 1px;
  border-radius: 3px;
  transition: background 0.15s;
}

.study-story-content .word:hover {
  background: #f0e6d9;
}

.study-story-content .word.selected {
  background: #ffd699;
}

.study-story-content .word.chunk-start {
  border-radius: 3px 0 0 3px;
  padding-left: 3px;
}

.study-story-content .word.chunk-end {
  border-radius: 0 3px 3px 0;
  padding-right: 3px;
}

.study-story-content .word.chunk-middle {
  border-radius: 0;
}

.study-story-content .sentence {
  display: block;
  margin-bottom: 0.5rem;
  cursor: default;
}

.study-story-content .sentence.selected {
  background: #e8f4fd;
  border-radius: 4px;
  padding: 2px 4px;
}

.study-story-content .chunk-parse-btn {
  font-size: 0.75rem;
  color: #d4600a;
  border: 1px solid #d4600a;
  background: transparent;
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 4px;
  cursor: pointer;
}

.study-story-content .chunk-parse-btn:hover {
  background: #fff3e6;
}

.study-chunk-parse {
  padding: 0.75rem 1rem;
  background: #f5f0eb;
  border-radius: 6px;
  margin-top: 0.5rem;
}

.study-chunk-parse .chunk-item {
  display: flex;
  gap: 1rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid #e8e0d8;
}

.study-chunk-parse .chunk-en {
  font-weight: 600;
  color: #333;
}

.study-chunk-parse .chunk-cn {
  color: #888;
}

.study-input-prompt {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.study-input-hint {
  font-size: 0.9rem;
  color: #999;
  margin-bottom: 0.75rem;
}

.study-textarea {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 1rem;
  resize: vertical;
  margin-bottom: 0.75rem;
  font-family: inherit;
  box-sizing: border-box;
}

.study-textarea:focus {
  outline: none;
  border-color: #d4600a;
}

/* 麦克风浮在输入框右下角，沿用 Day7 那套 .voice-input-btn */
.study-input-wrap {
  position: relative;
  margin-bottom: 0.75rem;
}

.study-input-wrap .study-textarea {
  margin-bottom: 0;
  padding-right: 52px;
}

.study-select-count {
  font-size: 0.9rem;
  color: #888;
  text-align: right;
  margin-bottom: 0.5rem;
}

.study-word-check-list,
.study-spelling-list,
.study-spelling-test-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.study-word-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #fafafa;
  border-radius: 6px;
}

.study-word-hear-btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.15rem;
  font-weight: 600;
  background: #fafafa;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-align: center;
}

.study-word-hear-btn:hover {
  background: #f0e6d9;
}

.study-word-hear-btn.heard {
  background: #fff3e6;
  border-color: #d4600a;
  color: #d4600a;
}

.study-word-hear-btn.heard::after {
  content: " ✓ 听到了！";
  font-weight: 400;
  font-size: 0.9rem;
}

.study-spelling-item {
  padding: 0.75rem;
  background: #fafafa;
  border-radius: 6px;
}

.study-spelling-item .word {
  font-size: 1.2rem;
  font-weight: 700;
}

.study-spelling-item .phonics {
  font-size: 0.9rem;
  color: #888;
  margin-top: 0.25rem;
}

/* Day4 声音观察：点卡片听发音。用 outline 不用 border，免得和 Day7 默写卡片错位。 */
.study-spelling-item.tappable {
  cursor: pointer;
  transition: background 0.15s;
}

.study-spelling-item.tappable:hover {
  background: #f0e6d9;
}

.study-spelling-item.tappable:active {
  background: #fff3e6;
}

.study-spelling-item.tappable:focus-visible {
  outline: 2px solid #d4600a;
  outline-offset: 2px;
}

.study-spelling-item .hear-mark {
  font-size: 0.85rem;
  font-weight: 400;
  color: #d4600a;
  margin-left: 0.5rem;
}

.study-complete-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.study-complete-message {
  text-align: center;
  color: #666;
  margin-bottom: 1.5rem;
}

/* 给家长的那句，缩在正文下面。上边负边距是钻进正文的 1.5rem 里，只留半行缝，
   不显示这行的时候（非第 7 天）正文到按钮的距离不受影响。 */
.study-complete-hint {
  text-align: center;
  color: #999;
  font-size: 0.8rem;
  margin-top: -1rem;
  margin-bottom: 1.5rem;
}

/* 按钮统一等宽、居中对齐：宽度按文字撑的话，「再听一遍故事」和「回到首页」
   一宽一窄，居中摆着看着是歪的。 */
.study-complete-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: stretch;
  width: min(280px, 100%);
  margin: 0 auto;
}

.study-topbar {
  display: flex;
  justify-content: flex-end;
  padding: 0.25rem 0;
}

.study-exit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: #999;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s, background 0.15s;
}

.study-exit-btn:hover {
  background: #f0f0f0;
  color: #666;
}

.study-topbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: #d4600a;
  color: #fff;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s;
}

.study-topbar-btn:hover {
  background: #b8520a;
}

.study-chunk-content {
  font-size: 1rem;
  line-height: 2;
  padding: 1rem;
  background: #f5f0eb;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.study-chunk-content .chunk-pair {
  margin: 0 0 0.9rem;
}

.study-chunk-content .chunk-en {
  display: block;
  font-size: 1rem;
  line-height: 1.75;
  color: #222;
}

.study-chunk-content .chunk-cn {
  display: block;
  font-size: 0.94rem;
  line-height: 1.75;
  color: #7d7d7d;
  margin-top: 1px;
}

.study-story-title {
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.75rem;
  color: #333;
}

.study-confirmation-text {
  font-size: 1.2rem;
  text-align: center;
  color: #d4600a;
  font-weight: 600;
  padding: 2rem 1rem;
  animation: studyFadeIn 0.3s ease;
}

/* ---- 小意回话 ---- */

.study-ai-reply-bubble {
  background: #fff;
  border: 1px solid #ffd9b8;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 18px rgba(212, 96, 10, 0.08);
  animation: studyFadeIn 0.3s ease;
}

.study-ai-reply-who {
  font-size: 0.8rem;
  font-weight: 600;
  color: #d4600a;
  margin-bottom: 0.4rem;
}

/* 第一次见面才出现的自我介绍，之后只留名字 */
.study-ai-reply-intro {
  font-size: 0.78rem;
  color: #999;
  line-height: 1.4;
  margin: -0.25rem 0 0.5rem;
}

.study-ai-reply-text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #333;
  margin: 0;
}

.study-ai-reply-loading {
  display: flex;
  align-items: center;
  color: #999;
  font-size: 0.95rem;
}

.study-ai-reply-dot {
  width: 6px;
  height: 6px;
  margin-right: 0.25rem;
  border-radius: 50%;
  background: #d4600a;
  opacity: 0.25;
  animation: studyAiReplyDot 1s infinite ease-in-out;
}

.study-ai-reply-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.study-ai-reply-dot:nth-child(3) {
  animation-delay: 0.3s;
}

.study-ai-reply-loading-text {
  margin-left: 0.4rem;
}

.study-ai-reply-play {
  margin-top: 0.6rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid #ffd9b8;
  border-radius: 999px;
  background: #fff7f0;
  color: #d4600a;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

@keyframes studyAiReplyDot {
  0%, 80%, 100% {
    opacity: 0.25;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

.study-loading {
  text-align: center;
  color: #999;
  padding: 1rem;
}

.day7-submit-button {
  background: linear-gradient(135deg, #ff9f1c, #ff6b35) !important;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(255, 111, 53, 0.22);
}

/* ---- 故事开场卡 ---- */

#studyTaskCard .study-title {
  text-wrap: balance;
  line-height: 1.3;
}

.study-task-sub {
  font-size: 0.95rem;
  color: #999;
  text-align: center;
  margin-top: 0.25rem;
}

.study-task-desc {
  font-size: 1.05rem;
  color: #555;
  text-align: center;
  line-height: 1.7;
  margin: 1.25rem auto 0.5rem;
  max-width: 19rem;
  white-space: pre-line;
}

/* 开场卡句首的天数序号：位置在「今天验收一下」前面，只让数字跳出来 */
.study-day-num {
  font-weight: 850;
  color: #d4600a;
}

/* 开场卡药丸按钮：视觉收敛，短内容不贴底（避免压住描述文字） */
#studyTaskCard .primary-button {
  width: auto;
  min-width: 220px;
  display: block;
  margin: 2rem auto 0;
  padding: 15px 44px;
  border-radius: 999px;
  letter-spacing: 2px;
  position: static;
  box-shadow: 0 10px 24px rgba(212, 96, 10, 0.28);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#studyTaskCard .primary-button:active {
  transform: scale(0.96);
  box-shadow: 0 4px 12px rgba(212, 96, 10, 0.22);
}

/* ---- Day 1 步骤指示 ---- */

.study-step-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: #aaa;
  padding: 0.25rem 0 0.5rem;
}

.study-step-indicator .step-item.active {
  color: #d4600a;
  font-weight: 600;
}

.study-step-indicator .step-item.done {
  color: #d4600a;
}

.study-step-indicator .step-divider {
  color: #ddd;
}

.study-step-indicator .sub-dots {
  font-size: 0.75rem;
  margin-left: 2px;
  letter-spacing: 1px;
}

/* ---- 移动端优先：大点击区、主按钮贴底部 ---- */

.study-panel .primary-button {
  background: #d4600a;
}

.study-panel .primary-button:hover {
  background: #b8520a;
}

.study-step .primary-button {
  min-height: 48px;
  font-size: 1.05rem;
  position: sticky;
  bottom: 0.75rem;
}

/* ---- 故事书架 ---- */

/* 任务卡上的书架入口：次要动作，压在「开始」下面 */
#studyTaskShelfBtn {
  display: block;
  margin: 18px auto 0;
  padding: 8px 12px;
  background: transparent;
  border: 0;
  color: #999;
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 磨耳朵和「回到首页」在同一屏的一头一尾，都按主动作的大按钮做。
   默认的 sticky 底栏在这里复位成普通按钮。 */
#studyShelfMoerduoBtn,
#studyShelfHomeBtn {
  position: static;
  min-height: 56px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 2px;
  background: #d4600a;
  box-shadow: 0 8px 20px rgba(212, 96, 10, 0.25);
}

#studyShelfMoerduoBtn {
  margin: 4px 0 0;
}

/* 磨耳朵的播放顺序。压在磨耳朵下面，字号收小，别跟那个大按钮抢注意力。
   只有一集的时候 JS 会整块藏起来，没得选。 */
.shelf-order {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.shelf-order-opt {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-family: inherit;
}

.shelf-order-opt.active {
  background: #fdf0e4;
  border-color: #f3c9a3;
  color: #d4600a;
  font-weight: 700;
}

.shelf-actions {
  margin-top: 4px;
}

.shelf-moerduo-hint {
  margin: 8px 0 0;
  font-size: 13px;
  color: #999;
  text-align: center;
}

.shelf-notice {
  margin: 16px 0 12px;
  padding: 12px 16px;
  background: #fff8f0;
  border-left: 3px solid #d4600a;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: #b35200;
  line-height: 1.5;
}

.shelf-title {
  font-size: 15px;
  font-weight: 600;
  color: #666;
  margin: 20px 0 12px;
}

.shelf-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shelf-card {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 14px 16px;
  gap: 14px;
  cursor: pointer;
  transition: box-shadow 0.2s;
}
.shelf-card:active {
  background: #faf6f2;
}

.shelf-ep {
  width: 44px;
  height: 44px;
  background: #d4600a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.shelf-info {
  flex: 1;
  min-width: 0;
}
.shelf-name {
  font-size: 15px;
  font-weight: 600;
  color: #222;
  margin-bottom: 3px;
  /* 长标题换行显示完整，不截断：书名是孩子挑故事的依据，省略号看不出是哪集。
     overflow-wrap:anywhere 让超长不可断词也能断行，兜住窄屏。 */
  overflow-wrap: anywhere;
}
.shelf-meta {
  font-size: 12px;
  color: #999;
}

.shelf-play {
  width: 36px;
  height: 36px;
  background: #fff3e6;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d4600a;
  font-size: 16px;
  flex-shrink: 0;
}

/* ---- 第 7 天讨论屏（和小意来回聊） ---- */

/* 气泡区自己滚，顶部对齐。新消息进来滚到底，孩子不用往上翻。 */
.discuss-log {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0.25rem 0 0.75rem;
  max-height: 58vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.discuss-row {
  display: flex;
  animation: studyFadeIn 0.25s ease;
}

.discuss-row.xiaoyi {
  justify-content: flex-start;
}

.discuss-row.child {
  justify-content: flex-end;
}

/* 小意偏白带橙边（和回话那一屏同一个视觉），孩子偏橙实心，两边一眼分清 */
.discuss-bubble {
  max-width: 84%;
  border-radius: 14px;
  padding: 0.7rem 0.9rem;
  font-size: 1rem;
  line-height: 1.6;
  word-break: break-word;
}

.discuss-bubble.xiaoyi {
  background: #fff;
  border: 1px solid #ffd9b8;
  color: #333;
  border-top-left-radius: 4px;
  box-shadow: 0 4px 14px rgba(212, 96, 10, 0.08);
}

.discuss-bubble.child {
  background: #d4600a;
  color: #fff;
  border-top-right-radius: 4px;
}

.discuss-who {
  font-size: 0.75rem;
  font-weight: 600;
  color: #d4600a;
  margin-bottom: 0.25rem;
}

.discuss-intro {
  font-size: 0.75rem;
  color: #999;
  margin: -0.15rem 0 0.4rem;
}

.discuss-text {
  margin: 0;
}

.discuss-play {
  margin-top: 0.5rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid #ffd9b8;
  border-radius: 999px;
  background: #fff7f0;
  color: #d4600a;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

/* 等小意说话时的三个点，沿用回话那一屏的节奏 */
.discuss-typing {
  display: flex;
  align-items: center;
  padding: 0.15rem 0;
}

.discuss-typing .study-ai-reply-dot {
  margin-right: 0.25rem;
}

/* 麦克风状态条：一直挂在屏幕上，孩子看得见「在听」 */
.discuss-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  border-radius: 999px;
  background: #f7f4f1;
  font-size: 0.9rem;
  color: #8a7a6d;
  margin-bottom: 0.75rem;
}

.discuss-mic-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c9c2bb;
  flex-shrink: 0;
}

.discuss-status.listening .discuss-mic-dot {
  background: #e5484d;
  animation: discussMicPulse 1.1s infinite ease-in-out;
}

/* 孩子的「按住说话」。按住才收声，松手就是「我说完了」，
   谁在说、谁没说完，靠这一个按钮说清楚。 */
.discuss-hold {
  display: block;
  width: 100%;
  min-height: 68px;
  margin: 0 0 0.85rem;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #ff9f1c, #d4600a);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 2px;
  cursor: pointer;
  /* 长按不能被系统抢去做滚动、选择或放大镜 */
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s ease, background 0.12s ease;
}

.discuss-hold.armed {
  box-shadow: 0 8px 18px rgba(212, 96, 10, 0.24);
}

/* 按下去这一态：颜色和大小一起变，孩子才知道它真的在收 */
.discuss-hold.held {
  background: #e5484d;
  transform: scale(0.98);
}

/* 小意还在说话时是灰的。写在这两条后面，同权重下压过 .armed / .held */
.discuss-hold:disabled {
  background: #eae4de;
  color: #a99a8e;
  box-shadow: none;
  cursor: default;
}

.discuss-status-text {
  flex: 1;
  min-width: 0;
}

/* 音量条：只给孩子一个「麦克风真的在收」的反馈，不显示数值 */
.discuss-vol {
  width: 54px;
  height: 6px;
  border-radius: 3px;
  background: #e6e0da;
  overflow: hidden;
  flex-shrink: 0;
}

.discuss-vol i {
  display: block;
  height: 100%;
  width: 0%;
  background: #d4600a;
  transition: width 0.12s linear;
}

.discuss-actions {
  display: flex;
  justify-content: center;
}

.discuss-actions .primary-button {
  width: auto;
  min-width: 180px;
  padding: 14px 44px;
  border-radius: 999px;
  letter-spacing: 2px;
}

@keyframes discussMicPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}