/* ================================================================
     CSS 变量系统（支持 data-age-mode 切换）
     ================================================================ */
  :root {
    /* 字体尺寸 — 桌面优先，保护视力 */
    --font-size-base: 18px;
    --font-size-title: 24px;
    --font-size-scene-title: 1.05rem;
    --font-size-button: 16px;
    --font-size-badge: 0.75rem;
    --font-size-status: 0.85rem;
    --font-size-small: 0.75rem;

    /* 按钮尺寸 */
    --btn-min-height: 48px;
    --btn-padding: 12px 24px;
    --btn-border-radius: 14px;

    /* 颜色 */
    --color-primary: var(--story-voice-primary);
    --color-primary-light: var(--brand-purple-soft);
    --color-primary-dark: var(--brand-purple-deep);
    --color-bg: var(--story-voice-bg);
    --color-bg-light: var(--story-voice-bg-2);
    --color-text: var(--story-voice-text);
    --color-text-muted: var(--story-voice-text-muted);
    --color-accent-gold: var(--accent-gold);
    --color-accent-green: var(--status-success);
    --color-accent-red: var(--status-danger);

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 36px;

    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;

    /* 桌面布局 */
    --content-max-width: 960px;
    --bubble-max-width: 80%;
  }

  /* ================================================================
     分龄3级密度体系（汉堡镇适用：7-9岁 / 10-12岁 / 13-15岁）
     content-group A（简版）：7-9岁 → 映射 text5_8
     content-group B（详版）：10-12岁 + 13-15岁 → 映射 text9_12
     ================================================================ */

  /* 默认（10-12 少年）：适中密度 */
  :root[data-age-mode="10-12"] {
    --font-size-base: 17px;
    --font-size-title: 23px;
    --font-size-scene-title: 1rem;
    --font-size-button: 15px;
    --font-size-badge: 0.7rem;
    --font-size-status: 0.8rem;
    --font-size-small: 0.7rem;
    --btn-min-height: 44px;
    --btn-padding: 10px 20px;
    --btn-border-radius: 12px;
    --color-primary: var(--story-voice-primary);
    --color-primary-light: var(--brand-purple-soft);
    --color-primary-dark: var(--brand-purple-deep);
    --color-bg: var(--story-voice-bg);
    --color-bg-light: var(--story-voice-bg-2);
    --color-text: var(--story-voice-text);
    --color-text-muted: var(--story-voice-text-muted);
    --color-accent-gold: var(--accent-gold);
    --bubble-max-width: 80%;
    --scene-char-opacity: 0.75;
    --scene-char-size: 160px;
    --scene-char-height: 220px;
  }

  /* 7-9 岁（儿童）：大字体、故事驱动、家长陪伴 */
  :root[data-age-mode="7-9"] {
    --font-size-base: 22px;
    --font-size-title: 30px;
    --font-size-scene-title: 1.3rem;
    --font-size-button: 18px;
    --font-size-badge: 0.85rem;
    --font-size-status: 0.9rem;
    --font-size-small: 0.8rem;
    --btn-min-height: 52px;
    --btn-padding: 16px 28px;
    --btn-border-radius: 16px;
    --color-primary: var(--story-voice-pink);
    --color-primary-light: var(--story-voice-pink-light);
    --color-primary-dark: var(--story-voice-pink-dark);
    --color-bg: var(--story-voice-bg-2);
    --color-bg-light: var(--story-voice-bg-3);
    --color-text: var(--story-voice-text-5-8);
    --bubble-max-width: 88%;
    --scene-char-opacity: 0.9;
    --scene-char-size: 220px;
    --scene-char-height: 290px;
  }

  /* 13-15 岁（初中）：精炼密度、经济概念 */
  :root[data-age-mode="13-15"] {
    --font-size-base: 16px;
    --font-size-title: 21px;
    --font-size-scene-title: 0.95rem;
    --font-size-button: 14px;
    --font-size-badge: 0.65rem;
    --font-size-status: 0.75rem;
    --font-size-small: 0.65rem;
    --btn-min-height: 42px;
    --btn-padding: 8px 18px;
    --btn-border-radius: 10px;
    --color-primary: var(--story-voice-primary);
    --color-primary-light: var(--brand-purple-soft);
    --color-primary-dark: var(--brand-purple-deep);
    --color-bg: var(--story-voice-bg);
    --color-bg-light: var(--story-voice-bg-2);
    --color-text: var(--story-voice-text);
    --color-text-muted: var(--story-voice-text-muted);
    --color-accent-gold: var(--accent-gold);
    --bubble-max-width: 78%;
    --scene-char-opacity: 0.6;
    --scene-char-size: 140px;
    --scene-char-height: 200px;
  }

  /* ===== 全局重置 ===== */
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--story-voice-bg-mid) 50%, var(--story-voice-bg-end) 100%);
    color: var(--color-text);
    min-height: 100vh;
    padding: 0;
    font-size: var(--font-size-base);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* ===== 页面容器 — 桌面优先宽屏布局 ===== */
  .app-wrapper {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 20px 24px 120px;
    position: relative;
  }

  /* 桌面大屏增强 */
  @media (min-width: 1200px) {
    :root {
      --content-max-width: 1100px;
    }
    .app-wrapper {
      padding: 28px 32px 120px;
    }
  }

  /* 平板 */
  @media (max-width: 768px) {
    .app-wrapper {
      padding: 14px 16px 100px;
    }
  }

  /* ================================================================
     护眼提示条 — 用眼时间管理
     ================================================================ */
  .eye-care-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 14px;
    margin-bottom: 10px;
    background: rgb(var(--accent-gold-rgb) / 0.08);
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.12);
    border-radius: 10px;
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    gap: 12px;
    flex-wrap: wrap;
  }
  .eye-care-bar .ec-timer {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .eye-care-bar .ec-timer .ec-clock {
    font-size: 1.1em;
  }
  .eye-care-bar .ec-tip {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-gold);
    cursor: pointer;
    transition: opacity var(--transition-fast);
  }
  .eye-care-bar .ec-tip:hover {
    opacity: 0.8;
  }
  .eye-care-bar .ec-shortcuts {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .eye-care-bar .ec-shortcuts kbd {
    display: inline-block;
    padding: 1px 6px;
    font-size: 0.7rem;
    font-family: inherit;
    background: rgb(var(--white-rgb) / 0.1);
    border: 1px solid rgb(var(--white-rgb) / 0.15);
    border-radius: 4px;
    color: var(--color-text-muted);
  }

  /* 休息提醒浮层 */
  .break-reminder {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgb(0 0 0 / 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.5s ease;
  }
  .break-reminder.active {
    display: flex;
  }
  .break-reminder .br-card {
    background: linear-gradient(135deg, var(--story-voice-bg-2), var(--story-voice-bg));
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.3);
    border-radius: 24px;
    padding: 40px 48px;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 20px 60px rgb(0 0 0 / 0.5);
  }
  .break-reminder .br-icon {
    font-size: 64px;
    margin-bottom: 16px;
  }
  .break-reminder .br-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 12px;
  }
  .break-reminder .br-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
  }
  .break-reminder .br-btn {
    padding: 14px 36px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #1a0a2e;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: transform var(--transition-fast);
  }
  .break-reminder .br-btn:hover {
    transform: scale(1.05);
  }

  /* ================================================================
     顶部工具栏
     ================================================================ */
  .top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    flex-wrap: wrap;
    gap: 8px;
  }

  .top-bar .app-title {
    font-size: var(--font-size-title);
    font-weight: 700;
    background: linear-gradient(135deg, var(--story-voice-title-start), var(--color-primary), var(--brand-purple-soft));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
  }

  /* 年龄切换开关 — 6级可横向滚动 */
  .age-toggle {
    display: flex;
    background: rgb(var(--white-rgb) / 0.05);
    border-radius: 24px;
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.2);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    max-width: 100%;
    gap: 2px;
    padding: 2px;
  }
  .age-toggle::-webkit-scrollbar { display: none; }
  .age-toggle .age-btn {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 24px;
    font-family: inherit;
    min-height: 44px;
    box-sizing: border-box;
  }
  .age-toggle .age-btn.active {
    background: var(--color-primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgb(var(--story-voice-primary-rgb) / 0.3);
  }
  .age-toggle .age-btn:hover:not(.active) {
    color: var(--color-primary-light);
    background: rgb(var(--story-voice-primary-rgb) / 0.1);
  }

  /* ================================================================
     经营面板
     ================================================================ */
  .status-panel {
    background: rgb(var(--story-voice-primary-rgb) / 0.12);
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.2);
    border-radius: 14px;
    padding: 10px 16px;
    margin-bottom: 16px;
    font-size: var(--font-size-status);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgb(0 0 0 / 0.2);
  }
  .status-panel .panel-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  .status-panel .panel-item {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .status-panel .panel-icon {
    font-size: 1.1em;
  }

  /* ===== 徽章+宠物快捷面板 ===== */
  .game-mini-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
  }
  .game-mini-panel span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    background: rgb(var(--white-rgb) / 0.04);
    border: 1px solid rgb(var(--white-rgb) / 0.08);
    border-radius: 20px;
    cursor: default;
    transition: all var(--transition-fast);
  }
  .game-mini-panel span:hover {
    background: rgb(var(--white-rgb) / 0.08);
    border-color: var(--accent-gold);
  }

  /* ===== 故事进度条 ===== */
  .progress-track {
    width: 100%;
    height: 3px;
    background: rgb(var(--white-rgb) / 0.06);
    border-radius: 4px;
    margin-bottom: 12px;
    overflow: hidden;
    position: relative;
    z-index: 2;
  }
  .progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-gold), var(--brand-purple-soft));
    border-radius: 4px;
    transition: width 0.5s ease;
  }

  /* ================================================================
     场景容器（由播放器动态渲染）— 插图系统
     ================================================================ */
  .scene-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: opacity var(--transition-normal);
    position: relative;
    min-height: 60vh;
    border-radius: 20px;
    overflow: hidden;
    padding: 16px 16px 24px;
  }

  /* ===== 场景背景图 ===== */
  .scene-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
    transition: background-image 0.6s ease;
    /* 图片加载失败时的纯色降级 */
    background-color: var(--story-voice-bg);
  }

  /* 暗色蒙版 — 保证文字可读 */
  .scene-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
      135deg,
      rgb(var(--story-voice-bg-rgb) / 0.82) 0%,
      rgb(var(--story-bank-bg-end-rgb) / 0.72) 50%,
      rgb(var(--story-voice-bg-2-rgb) / 0.82) 100%
    );
    backdrop-filter: blur(2px);
  }

  /* ===== 角色立绘 ===== */
  .scene-character {
    position: absolute;
    bottom: 0;
    right: 16px;
    width: 180px;
    height: 240px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: bottom right;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  .scene-character.active {
    opacity: 0.85;
    transform: translateY(0);
  }

  /* 低龄组（7-9）：角色更大更突出 */
  :root[data-age-mode="7-9"] .scene-character {
    width: var(--scene-char-size);
    height: var(--scene-char-height);
    opacity: var(--scene-char-opacity);
  }

  /* 中高龄组（10-12 + 13-15）：角色稍小，让出阅读空间 */
  :root[data-age-mode="10-12"] .scene-character,
  :root[data-age-mode="13-15"] .scene-character {
    width: var(--scene-char-size);
    height: var(--scene-char-height);
    opacity: var(--scene-char-opacity);
  }

  /* 内容层位于背景之上 */
  .scene-title,
  .bubble,
  .decision-panel,
  .finance-tip {
    position: relative;
    z-index: 2;
  }

  /* ===== 场景标题 ===== */
  .scene-title {
    margin-top: 24px;
    margin-bottom: 8px;
    padding: 10px 16px;
    font-size: var(--font-size-scene-title);
    font-weight: 600;
    color: var(--color-primary-light);
    background: rgb(var(--story-voice-bg-rgb) / 0.55);
    border-left: 3px solid var(--accent-gold);
    border-radius: 0 10px 10px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    text-shadow: 0 1px 4px rgb(0 0 0 / 0.5);
  }
  .scene-title:first-child { margin-top: 0; }
  .scene-title .scene-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgb(var(--story-voice-primary-rgb) / 0.2);
    font-size: 0.8em;
    font-weight: 700;
    color: var(--color-primary);
  }

  /* ===== 对话气泡 — 桌面大屏优化 ===== */
  .bubble {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md) 20px;
    border-radius: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    max-width: var(--bubble-max-width);
    user-select: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    text-shadow: 0 1px 4px rgb(0 0 0 / 0.5);
    margin: 6px 0;
  }
  .bubble:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgb(var(--black-rgb) / 0.35);
  }
  .bubble:active {
    transform: scale(0.97);
  }

  /* 桌面大屏：气泡更宽 */
  @media (min-width: 1024px) {
    .bubble {
      padding: var(--spacing-lg) 24px;
      max-width: 75%;
    }
    .bubble-narrator {
      max-width: 85%;
    }
  }

  /* 旁白 — 居中 */
  .bubble-narrator {
    align-self: center;
    background: rgb(var(--brand-purple-rgb) / 0.22);
    border: 1px solid rgb(var(--brand-purple-rgb) / 0.35);
    max-width: 90%;
    text-align: center;
    font-style: italic;
    box-shadow: 0 4px 16px rgb(0 0 0 / 0.25);
  }
    border: 1px solid rgb(var(--brand-purple-rgb) / 0.2);
    max-width: 90%;
    text-align: center;
    font-style: italic;
  }

  /* 主角 — 右侧 */
  .bubble-hero {
    align-self: flex-end;
    background: rgb(var(--story-bubble-pink-rgb) / 0.22);
    border: 1px solid rgb(var(--story-bubble-pink-rgb) / 0.35);
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 16px rgb(0 0 0 / 0.2);
  }

  /* 王师傅/张老板 — 左侧 */
  .bubble-male {
    align-self: flex-start;
    background: rgb(var(--story-bubble-male-blue-rgb) / 0.22);
    border: 1px solid rgb(var(--story-bubble-male-blue-rgb) / 0.35);
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 16px rgb(0 0 0 / 0.2);
  }

  /* 小哲 — 左侧 */
  .bubble-child {
    align-self: flex-start;
    background: rgb(var(--story-bubble-child-green-rgb) / 0.22);
    border: 1px solid rgb(var(--story-bubble-child-green-rgb) / 0.35);
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 16px rgb(0 0 0 / 0.2);
  }

  /* 角色名标签 */
  .bubble .role-label {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .bubble .role-label .role-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
  }
  .bubble-narrator .role-label { color: var(--story-voice-narrator); justify-content: center; }
  .bubble-hero .role-label { color: var(--story-voice-pink); justify-content: flex-end; }
  .bubble-male .role-label { color: var(--status-info); }
  .bubble-child .role-label { color: var(--status-success); }

  .bubble .content {
    font-size: 1em;
    line-height: 1.8;
    color: var(--color-text);
    text-shadow: 0 1px 6px rgb(0 0 0 / 0.6);
    letter-spacing: 0.02em;
  }
  .bubble-narrator .content { color: var(--story-voice-narrator-text); text-shadow: 0 1px 6px rgb(0 0 0 / 0.6); }

  /* 角色名标签 — 桌面端更清晰 */
  .bubble .role-label {
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.03em;
  }
  /* 低龄组：角色标签加大 */
  :root[data-age-mode="7-9"] .bubble .role-label {
    font-size: 0.9rem;
  }

  /* 播放指示器 */
  .bubble .play-indicator {
    font-size: 0.7rem;
    color: rgb(var(--white-rgb) / 0.25);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-normal);
  }
  .bubble:hover .play-indicator { opacity: 1; }
  .bubble .play-indicator .wave {
    display: inline-flex;
    gap: 2px;
    align-items: center;
    height: 12px;
  }
  .bubble .play-indicator .wave span {
    display: inline-block;
    width: 3px;
    background: currentColor;
    border-radius: 2px;
    animation: wave 0.8s ease-in-out infinite;
  }
  .bubble .play-indicator .wave span:nth-child(1) { height: 6px; animation-delay: 0s; }
  .bubble .play-indicator .wave span:nth-child(2) { height: 10px; animation-delay: 0.15s; }
  .bubble .play-indicator .wave span:nth-child(3) { height: 14px; animation-delay: 0.3s; }
  .bubble .play-indicator .wave span:nth-child(4) { height: 10px; animation-delay: 0.45s; }
  .bubble .play-indicator .wave span:nth-child(5) { height: 6px; animation-delay: 0.6s; }

  @keyframes wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
  }

  /* 播放中高亮 */
  .bubble.playing {
    box-shadow: 0 0 20px rgb(var(--story-voice-primary-rgb) / 0.3);
    border-color: rgb(var(--story-voice-primary-rgb) / 0.6) !important;
  }
  .bubble.playing .play-indicator {
    opacity: 1;
    color: rgb(var(--story-voice-primary-rgb) / 0.8);
  }

  /* ================================================================
     决策面板
     ================================================================ */
  .decision-panel {
    margin: 16px 0;
    padding: var(--spacing-lg);
    background: rgb(var(--story-voice-primary-rgb) / 0.12);
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.25);
    border-radius: 16px;
    text-align: center;
    display: none;
    position: relative;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgb(0 0 0 / 0.3);
  }
  .decision-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .decision-panel .decision-prompt {
    font-size: var(--font-size-title);
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
  }

  .decision-panel .decision-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--spacing-md);
  }

  .decision-panel .decision-btn {
    padding: var(--btn-padding);
    min-height: var(--btn-min-height);
    border-radius: var(--btn-border-radius);
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.35);
    background: rgb(var(--story-voice-primary-rgb) / 0.15);
    color: var(--color-text);
    font-size: var(--font-size-button);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 180px;
    flex: 1;
    max-width: 320px;
    font-family: inherit;
    line-height: 1.5;
    text-shadow: 0 1px 3px rgb(0 0 0 / 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }
  .decision-panel .decision-btn:hover {
    background: rgb(var(--story-voice-primary-rgb) / 0.3);
    border-color: rgb(var(--story-voice-primary-rgb) / 0.6);
    transform: translateY(-2px);
  }
  .decision-panel .decision-btn:active {
    transform: scale(0.97);
  }
  .decision-panel .decision-btn.chosen {
    border-color: var(--color-primary);
    background: rgb(var(--story-voice-primary-rgb) / 0.25);
    box-shadow: 0 0 12px rgb(var(--story-voice-primary-rgb) / 0.3);
  }
  .decision-panel .decision-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
  }
  .decision-panel .decision-btn .badge {
    display: inline-block;
    font-size: var(--font-size-badge);
    padding: 2px 8px;
    border-radius: 10px;
    background: rgb(var(--story-voice-primary-rgb) / 0.15);
    color: var(--story-voice-narrator);
    margin-top: 4px;
  }

  /* 决策反馈 */
  .decision-panel .decision-feedback {
    margin: 12px 0 8px;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgb(var(--story-bubble-child-green-rgb) / 0.08);
    border: 1px solid rgb(var(--story-bubble-child-green-rgb) / 0.15);
    color: var(--story-green-text);
    font-size: 0.9em;
    line-height: 1.6;
    display: none;
    animation: fadeIn 0.4s ease;
  }
  .decision-panel .decision-feedback .feedback-label {
    font-weight: 600;
    color: var(--status-success);
    margin-bottom: 4px;
  }
  .decision-panel .decision-feedback .feedback-effect {
    font-size: 0.85em;
    color: var(--story-voice-narrator);
    margin-top: 4px;
  }

  /* ASR 状态 */
  .decision-panel .asr-status {
    margin-top: 8px;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgb(var(--white-rgb) / 0.03);
    border: 1px dashed rgb(var(--story-voice-primary-rgb) / 0.15);
    color: var(--color-text-muted);
    font-size: 0.85em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }

  /* 麦克风按钮 + 脉冲动画 */
  .decision-panel .mic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    background: rgb(var(--story-voice-primary-rgb) / 0.1);
    font-size: 1.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin: 8px auto 0;
    position: relative;
  }
  .decision-panel .mic-btn:hover {
    background: rgb(var(--story-voice-primary-rgb) / 0.2);
    transform: scale(1.05);
  }
  .decision-panel .mic-btn.pulse {
    animation: micPulse 1.5s ease-in-out infinite;
  }
  .decision-panel .mic-btn.pulse::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    animation: micRipple 1.5s ease-out infinite;
  }
  @keyframes micPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgb(var(--story-voice-primary-rgb) / 0.6); }
    50% { box-shadow: 0 0 20px 8px rgb(var(--story-voice-primary-rgb) / 0.2); }
  }
  @keyframes micRipple {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.8); opacity: 0; }
  }

  /* 兜底提示 */
  .decision-panel .fallback-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 6px;
  }

  /* ================================================================
     财商知识卡片
     ================================================================ */
  .finance-tip {
    margin: 12px 0;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgb(var(--accent-gold-rgb) / 0.08);
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.15);
    color: var(--story-gold-text);
    font-size: 0.9em;
    line-height: 1.6;
    transition: opacity 0.5s ease;
  }
  .finance-tip .finance-icon {
    font-size: 1.2em;
    margin-right: 4px;
  }

  /* ================================================================
     结局场景
     ================================================================ */
  .ending-scene {
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.6s ease;
  }
  .ending-scene .ending-title {
    font-size: var(--font-size-title);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep), var(--story-accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .finance-summary {
    margin: 16px 0;
    padding: 14px 18px;
    background: rgb(var(--accent-gold-rgb) / 0.06);
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.12);
    border-radius: 12px;
  }
  .finance-summary .summary-title {
    font-size: 0.9em;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 8px;
  }
  .finance-summary .finance-item {
    font-size: 0.85em;
    color: var(--story-gold-text);
    padding: 4px 0;
  }

  .decision-history {
    margin: 12px 0;
    padding: 14px 18px;
    background: rgb(var(--story-voice-primary-rgb) / 0.06);
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.1);
    border-radius: 12px;
  }
  .decision-history .summary-title {
    font-size: 0.9em;
    font-weight: 600;
    color: var(--story-voice-narrator);
    margin-bottom: 6px;
  }
  .decision-history .history-item {
    font-size: 0.85em;
    color: var(--story-voice-narrator-text);
    padding: 3px 0;
  }

  .btn-restart {
    display: block;
    margin: 24px auto;
    padding: 14px 40px;
    border-radius: 28px;
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.4);
    background: linear-gradient(135deg, rgb(var(--accent-gold-rgb) / 0.15), rgb(var(--accent-gold-deep-rgb) / 0.15));
    color: var(--accent-gold);
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
  }
  .btn-restart:hover {
    background: linear-gradient(135deg, rgb(var(--accent-gold-rgb) / 0.3), rgb(var(--accent-gold-deep-rgb) / 0.3));
    border-color: rgb(var(--accent-gold-rgb) / 0.7);
    transform: translateY(-2px);
  }

  /* ================================================================
     付费三态 · 场景级视觉（ENG-6/7 · 锁定→解锁紫→会员金）
     ================================================================ */

  /* 免费试读角标 */
  .free-trial-badge {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--status-success), #2e7d32);
    color: #fff;
    margin-left: 8px;
    vertical-align: middle;
    letter-spacing: 0.5px;
  }

  /* 锁定态场景容器 — 毛玻璃遮罩 */
  .scene-container.is-locked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--locked-overlay);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    z-index: 5;
    border-radius: inherit;
    pointer-events: none;
  }

  /* 锁定态中央锁图标 + 提示 */
  .scene-container.is-locked .locked-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 6;
    text-align: center;
    pointer-events: none;
  }
  .scene-container.is-locked .locked-message .lock-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 8px rgb(var(--black-rgb) / 0.5));
  }
  .scene-container.is-locked .locked-message .lock-text {
    font-size: 14px;
    color: var(--accent-gold);
    font-weight: 600;
    text-shadow: 0 2px 8px rgb(0 0 0 / 0.6);
  }

  /* 继续解锁按钮（位于底部栏上方） */
  .scene-unlock-bar {
    display: none;
    justify-content: center;
    padding: 12px 16px;
    margin: 8px 0;
    background: rgb(var(--accent-gold-rgb) / 0.08);
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.2);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .scene-unlock-bar.visible {
    display: flex;
  }
  .scene-unlock-bar .sub-unlock-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #1a0a2e;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: transform var(--transition-fast);
    box-shadow: 0 4px 16px rgb(var(--accent-gold-rgb) / 0.3);
  }
  .scene-unlock-bar .sub-unlock-btn:hover {
    transform: scale(1.05);
  }

  /* 会员态 — 金色描边 */
  .app-wrapper.is-member .scene-container {
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.25);
    box-shadow: 0 0 20px rgb(var(--accent-gold-rgb) / 0.08);
  }

  /* ================================================================
     底部控制栏
     ================================================================ */
  .bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgb(var(--story-voice-bg-rgb) / 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgb(var(--story-voice-primary-rgb) / 0.15);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 100;
    flex-wrap: wrap;
  }
  .bottom-bar .status-text {
    font-size: var(--font-size-status);
    color: var(--color-text-muted);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 120px;
  }
  .bottom-bar .btn-control {
    padding: 6px 18px;
    border-radius: 20px;
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.3);
    background: rgb(var(--story-voice-primary-rgb) / 0.08);
    color: var(--color-primary-light);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    white-space: nowrap;
  }
  .bottom-bar .btn-control:hover {
    background: rgb(var(--story-voice-primary-rgb) / 0.2);
    border-color: rgb(var(--story-voice-primary-rgb) / 0.5);
  }
  .bottom-bar .btn-control:disabled {
    opacity: 0.3;
    cursor: not-allowed;
  }
  .bottom-bar .btn-play {
    border-color: rgb(var(--story-bubble-child-green-rgb) / 0.4);
    background: rgb(var(--story-bubble-child-green-rgb) / 0.1);
    color: var(--story-green-text);
  }
  .bottom-bar .btn-play:hover {
    background: rgb(var(--story-bubble-child-green-rgb) / 0.2);
    border-color: rgb(var(--story-bubble-child-green-rgb) / 0.6);
  }
  .bottom-bar .btn-play.playing {
    background: rgb(var(--story-red-rgb) / 0.1);
    border-color: rgb(var(--story-red-rgb) / 0.4);
    color: var(--story-red-text);
  }
  .bottom-bar .btn-bgm {
    border-color: rgb(var(--accent-gold-rgb) / 0.3);
    background: rgb(var(--accent-gold-rgb) / 0.08);
    color: var(--accent-gold);
  }
  .bottom-bar .btn-bgm.muted {
    opacity: 0.4;
  }

  /* 分享按钮 */
  .bottom-bar .btn-share {
    background: linear-gradient(135deg, rgb(var(--accent-gold-rgb) / 0.15), rgb(var(--accent-gold-deep-rgb) / 0.1));
    border-color: rgb(var(--accent-gold-rgb) / 0.3);
    color: var(--accent-gold);
  }
  .bottom-bar .btn-share:hover {
    background: rgb(var(--accent-gold-rgb) / 0.25);
  }

  /* ================================================================
     进度覆盖层
     ================================================================ */
  .progress-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgb(var(--story-voice-bg-rgb) / 0.92);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn 0.3s ease;
  }
  .progress-overlay.active {
    display: flex;
  }
  .progress-overlay .overlay-card {
    background: linear-gradient(135deg, var(--story-voice-bg), var(--story-voice-bg-2));
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.2);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    max-width: 380px;
    width: 90%;
    box-shadow: 0 20px 60px rgb(var(--black-rgb) / 0.5);
  }
  .progress-overlay .overlay-title {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--color-primary-light);
    margin-bottom: 8px;
  }
  .progress-overlay .overlay-subtitle {
    font-size: 0.9em;
    color: var(--color-text-muted);
    margin-bottom: 20px;
  }
  .progress-overlay .overlay-btn {
    display: block;
    width: 100%;
    padding: 14px;
    margin: 8px 0;
    border-radius: 14px;
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.3);
    background: rgb(var(--story-voice-primary-rgb) / 0.08);
    color: var(--color-text);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
  }
  .progress-overlay .overlay-btn:hover {
    background: rgb(var(--story-voice-primary-rgb) / 0.2);
    border-color: rgb(var(--story-voice-primary-rgb) / 0.5);
    transform: translateY(-2px);
  }
  .progress-overlay .overlay-btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--white);
  }
  .progress-overlay .overlay-btn.primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
  }

  /* ================================================================
     会员金描边 / 解锁引导（T2 付费骨架，不接真实支付）
     ================================================================ */
  .unlock-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.35);
    background: rgb(var(--accent-gold-rgb) / 0.10);
    color: var(--color-accent-gold);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
  }
  .unlock-btn:hover { background: rgb(var(--accent-gold-rgb) / 0.2); }
  .unlock-btn[hidden] { display: none; }

  .member-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgb(var(--accent-gold-rgb) / 0.18);
    color: var(--color-accent-gold);
    font-size: 0.72rem;
    font-weight: 700;
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.4);
    white-space: nowrap;
  }
  .member-badge[hidden] { display: none; }

  .app-wrapper.is-member {
    outline: 2px solid rgb(var(--accent-gold-rgb) / 0.5);
    outline-offset: -2px;
    box-shadow: 0 0 0 6px rgb(var(--accent-gold-rgb) / 0.08);
  }

  /* ================================================================
     响应式
     ================================================================ */
  @media (max-width: 540px) {
    .app-wrapper { padding: 10px 10px 85px; }
    .top-bar .app-title { font-size: 1.3rem; }
    .bubble { max-width: 94%; padding: 14px 16px; border-radius: 16px; }
    .bubble .content { font-size: 1em; line-height: 1.75; }
    :root[data-age-mode="7-9"] .bubble { padding: 16px 18px; }
    :root[data-age-mode="7-9"] .bubble .content { font-size: 1.05em; }
    .scene-title { font-size: 0.9rem; padding: 8px 14px; }
    .decision-panel { padding: 16px; }
    .decision-panel .decision-prompt { font-size: 1.1rem; }
    .decision-panel .decision-btn { min-width: 100%; font-size: 0.85rem; padding: 12px 16px; }
    .bottom-bar { gap: 6px; padding: 8px 10px; }
    .bottom-bar .btn-control { font-size: 0.78rem; padding: 8px 14px; min-height: 40px; }
    .status-panel { padding: 8px 12px; font-size: 0.75rem; }
    .status-panel .panel-row { gap: 4px; }
    .eye-care-bar { padding: 4px 8px; font-size: 0.6rem; gap: 6px; }
    .eye-care-bar .ec-shortcuts { display: none; }
    .opening-card { padding: 12px 10px; }
    .opening-card .oc-title { font-size: 14px; }
    .opening-card .oc-desc { font-size: 11px; }
  }

  @media (max-width: 380px) {
    .age-toggle .age-btn { padding: 8px 10px; font-size: 0.75rem; min-height: 44px; }
    .decision-panel .decision-btn { min-width: 100%; font-size: 0.8rem; }
    .bubble { max-width: 96%; padding: 12px 14px; }
    .bubble .content { font-size: 0.95em; }
    .bottom-bar .btn-control { font-size: 0.72rem; padding: 6px 10px; }
  }

  /* ================================================================

  /* ================================================================
     开局选择器（v4.1）
     ================================================================ */
  .opening-selection-wrapper {
    padding: 20px 8px 30px;
    text-align: center;
  }
  .opening-prompt {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--accent-gold), var(--brand-purple-soft));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  :root[data-age-mode="5-8"] .opening-prompt {
    font-size: 28px;
  }
  .opening-prompt-sub {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
  }
  .opening-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
  }
  .opening-card {
    background: rgb(var(--white-rgb) / 0.06);
    border: 1px solid rgb(var(--story-voice-primary-rgb) / 0.15);
    border-radius: 16px;
    padding: 16px 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: left;
    position: relative;
    overflow: hidden;
  }
  .opening-card:hover {
    background: rgb(var(--white-rgb) / 0.10);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgb(0 0 0 / 0.2);
  }
  .opening-card.selected {
    border-color: var(--accent-gold);
    background: rgb(var(--accent-gold-rgb) / 0.10);
    box-shadow: 0 0 0 2px var(--accent-gold), 0 4px 16px rgb(0 0 0 / 0.3);
  }
  .opening-card .oc-icon {
    font-size: 28px;
    margin-bottom: 6px;
  }
  .opening-card .oc-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
  }
  :root[data-age-mode="5-8"] .opening-card .oc-title {
    font-size: 18px;
  }
  .opening-card .oc-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 6px;
  }
  :root[data-age-mode="5-8"] .opening-card .oc-desc {
    font-size: 15px;
  }
  .opening-card .oc-effects {
    font-size: 11px;
    color: var(--accent-gold);
    font-weight: 600;
  }
  :root[data-age-mode="5-8"] .opening-card .oc-effects {
    font-size: 14px;
  }
  .scene-container.opening-select-mode {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* ================================================================
     徽章收集浮层
     ================================================================ */
  .badge-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgb(0 0 0 / 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .badge-overlay.active { display: flex; }
  .badge-modal {
    width: 92%;
    max-width: 520px;
    max-height: 80vh;
    background: linear-gradient(135deg, var(--story-voice-bg-2), var(--story-voice-bg));
    border: 1px solid rgb(var(--accent-gold-rgb) / 0.25);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgb(0 0 0 / 0.5);
  }
  .badge-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgb(var(--white-rgb) / 0.08);
  }
  .badge-modal-title { font-size: 18px; font-weight: 700; color: var(--accent-gold); }
  .badge-close-btn {
    width: 32px; height: 32px;
    border: none; border-radius: 50%;
    background: rgb(var(--white-rgb) / 0.1);
    color: var(--color-text-muted);
    font-size: 16px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
  }
  .badge-close-btn:hover { background: rgb(var(--white-rgb) / 0.2); }
  .badge-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
  }
  .flower-group {
    margin-bottom: 16px;
    background: rgb(var(--white-rgb) / 0.03);
    border-radius: 12px;
    overflow: hidden;
  }
  .flower-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-left: 3px solid;
    background: rgb(var(--white-rgb) / 0.04);
  }
  .flower-name { font-weight: 700; font-size: 15px; color: var(--color-text); }
  .flower-meaning { font-size: 12px; font-weight: 600; }
  .flower-count { margin-left: auto; font-size: 12px; color: var(--color-text-muted); }
  .flower-badges { padding: 8px 14px 10px; }
  .bg-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
  }
  .bg-item .bg-icon { font-size: 20px; width: 28px; text-align: center; }
  .bg-item .bg-info { display: flex; flex-direction: column; gap: 1px; }
  .bg-item .bg-name { font-size: 13px; font-weight: 600; color: var(--color-text); }
  .bg-item .bg-desc { font-size: 11px; color: var(--color-text-muted); }
  .bg-item.bg-locked .bg-name { color: var(--color-text-muted); }
  .bg-item.bg-locked .bg-icon { filter: grayscale(1); opacity: 0.5; }