/* ============================================================
   Study Hub — 设计系统 (精简版)
   ============================================================ */

/* -------------------- Google Fonts Import -------------------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

/* -------------------- Design Tokens -------------------- */
:root {
  --primary: #FF6B5B;
  --primary-light: #FFF0ED;
  --primary-medium: #FF9A8F;
  --primary-dark: #E85A4A;

  --secondary: #2AC4B5;
  --secondary-light: #E5FAF7;
  --secondary-medium: #5DD5C9;
  --secondary-dark: #1FA396;

  --accent: #FFB347;
  --accent-light: #FFF6E8;
  --accent-dark: #E69A30;

  --bg: #FFF8F4;
  --bg-warm: #FFF3EC;
  --card: #FFFFFF;
  --card-bg: #FFFFFF;
  --card-hover: #FFFDFB;
  --border: #F0E8E2;
  --border-focus: #FFB5A8;
  --overlay: rgba(40, 30, 25, 0.40);

  --text: #2D2422;
  --text-secondary: #7A706C;
  --text-muted: #B5ADA8;
  --text-inverse: #FFFFFF;

  --success: #4CAF50;
  --success-light: #E8F5E9;
  --success-dark: #388E3C;
  --error: #F0625F;
  --error-light: #FFEBEE;
  --warning: #FFB347;
  --warning-light: #FFF8EC;
  --info: #6C9BD2;
  --info-light: #E8F2FC;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 3px rgba(45, 36, 34, 0.04);
  --shadow-sm: 0 3px 10px rgba(45, 36, 34, 0.06);
  --shadow-md: 0 6px 20px rgba(45, 36, 34, 0.08);
  --shadow-lg: 0 12px 36px rgba(45, 36, 34, 0.10);
  --shadow-xl: 0 20px 50px rgba(45, 36, 34, 0.12);
  --shadow-primary: 0 6px 22px rgba(255, 107, 91, 0.28);

  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  --dur-fast: 150ms;
  --dur-base: 280ms;
  --dur-slow: 450ms;

  --font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
  --font-title: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --nav-height: 66px;
  --max-width: 960px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* -------------------- Reset & Base -------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 179, 71, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 85% 75%, rgba(255, 107, 91, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(42, 196, 181, 0.03) 0%, transparent 50%),
    var(--bg);
  background-attachment: fixed;
  line-height: 1.65;
  min-height: 100dvh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
::selection { background: var(--primary-light); color: var(--primary-dark); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* -------------------- Keyframes -------------------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  40%  { transform: scale(1.1); }
  60%  { transform: scale(0.92); }
  80%  { transform: scale(1.03); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* -------------------- Utility -------------------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* -------------------- Toast -------------------- */
.app-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: 9999;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 700;
  pointer-events: none;
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  box-shadow: 0 6px 24px rgba(45, 36, 34, 0.20);
  max-width: calc(100vw - 40px);
  text-align: center;
}
.app-toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.app-toast--info    { background: var(--text); color: #fff; }
.app-toast--success { background: var(--success); color: #fff; }
.app-toast--error   { background: var(--error); color: #fff; }

.app-toast--center {
  top: 50%;
  transform: translate(-50%, -50%) scale(0.9);
}
.app-toast--center.app-toast--show {
  transform: translate(-50%, -50%) scale(1);
}

/* -------------------- Page Container -------------------- */
.page-container {
  animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
  min-height: 100dvh;
}

button:disabled {
  opacity: 0.6;
  pointer-events: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] { -moz-appearance: textfield; }

/* ================================================================
   LOGIN PAGE
   ================================================================ */
.login-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255, 179, 71, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 107, 91, 0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(42, 196, 181, 0.06) 0%, transparent 50%),
    linear-gradient(175deg, #FFF5EE 0%, #FFF0E5 30%, #FFF8F4 60%, #FFF3EC 100%);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255, 107, 91, 0.08) 0%, transparent 65%);
  border-radius: 50%;
  top: -120px; right: -100px;
  animation: float 6s ease-in-out infinite;
  pointer-events: none;
}
.login-page::after {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(42, 196, 181, 0.08) 0%, transparent 65%);
  border-radius: 50%;
  bottom: -80px; left: -60px;
  animation: float 5s ease-in-out 1s infinite;
  pointer-events: none;
}

.login-card {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 107, 91, 0.06);
  text-align: center;
  position: relative;
  z-index: 1;
  animation: slideUp 0.7s var(--ease-out-quint) both;
}

.login-card__logo {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 40px;
  color: #fff;
  box-shadow: var(--shadow-primary);
  animation: float 4s ease-in-out infinite;
}

.login-card__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.login-card__subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 500;
}

.login-card__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card__input {
  width: 100%;
  padding: 15px 20px;
  border-radius: var(--radius-md);
  background: #F9F6F3;
  border: 2px solid transparent;
  font-weight: 500;
  color: var(--text);
  transition: all var(--dur-base) var(--ease-out-quint);
  font-size: 0.98rem;
  text-align: left;
}

.login-card__input::placeholder { color: var(--text-muted); }
.login-card__input:focus {
  background: #fff;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(255, 107, 91, 0.08);
}

.login-card__btn {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-medium));
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-primary);
  transition: all var(--dur-base) var(--ease-out-quint);
  margin-top: 6px;
  position: relative;
  overflow: hidden;
}
.login-card__btn::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.login-card__btn:hover::after { transform: translateX(100%); }
.login-card__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 91, 0.38);
}
.login-card__btn:active { transform: scale(0.97); }

.login-card__switch {
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.login-card__switch a {
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
}
.login-card__switch a:hover { color: var(--primary-dark); }

/* ================================================================
   MODAL — 弹窗
   ================================================================ */
.result-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.25s ease both;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.result-modal {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: 40px 32px 32px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: fadeIn 0.25s ease both;
  position: relative;
  overflow: hidden;
}

.result-modal__actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.result-modal__btn {
  flex: 1;
  padding: 14px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--dur-base) var(--ease-out-quint);
  position: relative;
  overflow: hidden;
}
.result-modal__btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-medium));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.result-modal__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 91, 0.35);
}
.result-modal__btn--secondary {
  background: var(--bg-warm);
  color: var(--text-secondary);
}
.result-modal__btn--secondary:hover { background: #FDECE5; }

/* ----------------------------------------------------------------
   浮窗响应式宽度：手机窄 → 平板中 → 电脑宽
   用法：内容型浮窗在 class="result-modal" 后追加 modal-md / modal-lg，
   并删除内联 style 里的 max-width（内联优先级更高，会覆盖本规则）。
   档位含义：
     - modal-md  通用设置/确认/选择器类浮窗
     - modal-lg  明细对照/听写开始/积分规则等内容较多的大浮窗
   短暂的"加载中/出题中/判卷中"小浮窗不加此类，保持小巧不参与放大。
   ---------------------------------------------------------------- */
.modal-md { max-width: 380px; }
.modal-lg { max-width: 520px; }

@media (min-width: 600px) and (max-width: 1023px) {
  .modal-md { max-width: 480px; }
  .modal-lg { max-width: 640px; }
}

@media (min-width: 1024px) {
  .modal-md { max-width: 560px; }
  .modal-lg { max-width: 760px; }
}

/* ================================================================
   ADMIN PANEL — 通用管理面板组件
   ================================================================ */
.admin-panel__form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  background: #F9F6F3;
  border: 2px solid #EAE4E0;
  transition: all var(--dur-base) var(--ease-out-quint);
}
.admin-panel__form-input:focus {
  border-color: var(--border-focus);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 107, 91, 0.06);
}
/* 红色 placeholder 提示（如 PIN 字段的登录说明） */
.admin-panel__form-input.ph-red::placeholder {
  color: var(--error);
  opacity: 1;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (min-width: 768px) {
  .login-card { padding: 56px 48px 48px; }
}

@media (max-width: 480px) {
  .login-card { padding: 36px 22px 28px; }
  .result-modal { padding: 30px 22px 24px; }
}

/* ================================================================
   DASHBOARD HEADER — 顶部标题栏
   ================================================================ */
.dashboard-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.dashboard-header__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
}

/* ================================================================
   GEAR MENU — 右上角齿轮菜单
   ================================================================ */
.gear-menu {
  position: relative;
}

.gear-menu__btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all var(--dur-base) var(--ease-out-quint);
  cursor: pointer;
}

.gear-menu__btn:hover {
  background: #FDECE5;
  transform: rotate(30deg);
}

.gear-menu__dropdown {
  position: absolute;
  top: 48px;
  right: 0;
  min-width: 200px;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(45, 36, 34, 0.06);
  padding: 8px 0;
  z-index: 200;
  animation: scaleIn 0.2s var(--ease-out-quint) both;
  overflow: hidden;
}

.gear-menu__item {
  display: block;
  width: 100%;
  padding: 12px 20px;
  text-align: left;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  transition: background var(--dur-fast) ease;
  cursor: pointer;
  background: none;
  border: none;
}

.gear-menu__item:hover {
  background: var(--bg-warm);
}

.gear-menu__item--danger {
  color: var(--error);
}

.gear-menu__item--danger:hover {
  background: var(--error-light);
}

.gear-menu__divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

.gear-menu__section-title {
  padding: 6px 20px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================================================
   DASHBOARD CONTENT — 主内容区（留出底部 Tab 空间）
   ================================================================ */
.dashboard-content {
  padding: 20px 16px;
  padding-bottom: calc(80px + var(--safe-bottom));
  min-height: calc(100dvh - 69px);
}

/* ================================================================
   BOTTOM TABS — 底部固定 Tab 栏
   ================================================================ */
.bottom-tabs {
  position: fixed;
  /* 整条上移到安全区之上（bottom = 悬浮间距 + 安全区），
     安全区（系统手势区）留白在条下方，不撑高白条背景 */
  bottom: calc(22px + var(--safe-bottom));
  left: 0;
  right: 0;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: space-around;
  /* 固定矮条高度（64px），不再用 padding-bottom 压缩内容区——
     之前 height:64 + padding-bottom:safe（border-box）把内容区压成 64-safe，
     华为平板 safe 非零时图标溢出贴顶；现在内容区恒为 64px，图标垂直居中 */
  height: 64px;
  padding-bottom: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 12px rgba(45, 36, 34, 0.04);
}

.bottom-tabs__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  /* 内容区恒为 64px：图标+文字垂直居中，不贴顶 */
  height: 100%;
  padding: 4px 0;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  position: relative;
}

.bottom-tabs__item--active {
  color: var(--primary);
}

.bottom-tabs__item--active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--primary);
}

.bottom-tabs__icon {
  font-size: 1.35rem;
  line-height: 1;
}

.bottom-tabs__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* 5 个 Tab 时缩小标签字体 */
.bottom-tabs:has(.bottom-tabs__item:nth-child(5)) .bottom-tabs__label {
  font-size: 0.62rem;
}

/* ================================================================
   MENU GRID — 学习宫格卡片
   ================================================================ */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 4px 0;
}

.menu-grid__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 10px 16px;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
  border: 1px solid transparent;
  font-family: inherit;
}

.menu-grid__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.menu-grid__card:active {
  transform: scale(0.96);
}

.menu-grid__icon {
  font-size: 2.2rem;
  line-height: 1;
}

.menu-grid__label {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.menu-grid__desc {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .menu-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

@media (min-width: 600px) and (max-width: 767px) {
  .menu-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ================================================================
   今日学习额度 — 学习页上区（额度/连击/规则），下区为学习入口卡片
   ================================================================ */
.bonus-section {
  background: linear-gradient(180deg, #F2F9F4, #FBFEFC);
  border: 1px solid #DCEBE2;
  border-radius: var(--radius-md);
  padding: 14px 14px 10px;
  margin-bottom: 16px;
}

.bonus-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.bonus-section__title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text);
}

.bonus-section__tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--primary);
  background: #E8F5E9;
  border: 1px solid #C8E6C9;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.bonus-section__rule {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed rgba(0, 0, 0, 0.08);
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.bonus-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (min-width: 768px) {
  .bonus-cards__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

@media (max-width: 479px) {
  .bonus-cards__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

.bonus-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 8px 14px;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  text-align: center;
}

.bonus-card--combo {
  border-color: #C8E6C9;
  background: linear-gradient(180deg, #F6FBF7, var(--card));
}

.bonus-card__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.bonus-card__label {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.bonus-card__value {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.bonus-card__desc {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.2;
}

.bonus-card__tip {
  margin-top: 2px;
  padding-top: 6px;
  border-top: 1px dashed rgba(0, 0, 0, 0.08);
  width: 100%;
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
}

/* 移动端压缩「今日学习额度」区块高度（学习入口按钮需免滚动即可见）：
   语数外科目卡一排展示、连击卡独占第二排整行；规则说明保留展示；
   平板（≥768px）空间充足，保持上方宽松样式不变。 */
@media (max-width: 767px) {
  .bonus-section {
    padding: 10px 10px 8px;
    margin-bottom: 8px;
  }
  .bonus-section__head {
    margin-bottom: 6px;
  }
  .bonus-section__title {
    font-size: 0.85rem;
  }
  .bonus-section__rule {
    margin-top: 7px;
    padding-top: 6px;
    font-size: 0.66rem;
    line-height: 1.55;
  }
  /* 语数外 3 卡一排；双科用户 2 列 */
  .bonus-cards__grid,
  .bonus-cards__grid--3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .bonus-cards__grid--2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  /* 科目卡压缩 */
  .bonus-card {
    padding: 8px 4px 7px;
    gap: 3px;
    border-radius: 10px;
  }
  .bonus-card__icon {
    font-size: 1.05rem;
  }
  .bonus-card__label {
    font-size: 0.7rem;
  }
  .bonus-card__value {
    font-size: 0.66rem;
  }
  .bonus-card__desc {
    display: none;
  }
  /* 连击卡独占第二排整行：水平两行紧凑布局（图标+科目+进度 一行，预计+今日 一行） */
  .bonus-card--combo {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    gap: 2px 8px;
    padding: 8px 10px;
  }
  .bonus-card--combo .bonus-card__icon {
    flex: 0 0 auto;
  }
  .bonus-card--combo .bonus-card__label {
    font-size: 0.72rem;
    margin-right: 10px;
  }
  .bonus-card--combo .bonus-card__value {
    font-size: 0.72rem;
  }
  .bonus-card--combo .bonus-card__desc {
    display: inline;
    flex: 0 1 auto;
    font-size: 0.62rem;
    margin-right: 12px;
  }
  .bonus-card--combo .bonus-card__tip {
    width: auto; /* 覆盖基础 width:100%，避免独占一行，与「预计」同行 */
    flex: 0 1 auto;
    padding: 0;
    margin-top: 0;
    border-top: none;
    font-size: 0.62rem;
  }
}

/* ================================================================
   PLACEHOLDER PAGE — 占位页面
   ================================================================ */
.placeholder-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  animation: fadeInUp 0.5s var(--ease-out-quint) both;
}

.placeholder-page__icon {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}

.placeholder-page__text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ================================================================
   DEVICE CHOICE — 设备选择页
   ================================================================ */
.device-choice {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255, 179, 71, 0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 107, 91, 0.08) 0%, transparent 50%),
    linear-gradient(175deg, #FFF5EE 0%, #FFF0E5 30%, #FFF8F4 60%, #FFF3EC 100%);
}

.device-choice__inner {
  width: 100%;
  max-width: 640px;
  text-align: center;
  animation: slideUp 0.6s var(--ease-out-quint) both;
}

.device-choice__logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 36px;
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.device-choice__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 8px;
}

.device-choice__subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 500;
}

.device-choice__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.device-choice__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 32px 20px 24px;
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
  border: 2px solid var(--border);
  font-family: inherit;
  position: relative;
}
.device-choice__card::after {
  content: '点此选择 →';
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.55;
  transition: opacity var(--dur-fast);
}
.device-choice__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(255, 107, 91, 0.12);
  border-color: var(--primary);
}
.device-choice__card:hover::after {
  opacity: 1;
}

.device-choice__card:active {
  transform: scale(0.97);
}

.device-choice__card:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.device-choice__card-icon {
  font-size: 3rem;
  line-height: 1;
}

.device-choice__card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}

.device-choice__card-desc {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 540px) {
  .device-choice__cards {
    grid-template-columns: 1fr;
  }

  .device-choice__card {
    padding: 24px 20px 20px;
  }

  .device-choice__title {
    font-size: 1.35rem;
  }
}

/* ================================================================
   ADMIN PANEL — 管理后台（温润瓷感风格）
   ================================================================ */

/* --- 顶部栏（玻璃态毛玻璃）--- */
.admin-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(240, 232, 226, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 10px;
}

.admin-panel__header-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  flex: 1;
  text-align: center;
}

.admin-panel__back-btn {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 243, 236, 0.7);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-quint);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.admin-panel__back-btn:hover {
  background: var(--bg-warm);
  color: var(--text);
  transform: translateX(-2px);
}

.admin-panel__logout-btn,
.dashboard-header__logout-btn {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: rgba(240, 98, 95, 0.08);
  color: var(--error);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-quint);
  border: none;
  flex-shrink: 0;
}

/* 后台头部：退出登录统一靠右（家长模式无返回按钮时单按钮也右对齐） */
.admin-panel__header .admin-panel__logout-btn {
  margin-left: auto;
}

.admin-panel__logout-btn:hover,
.dashboard-header__logout-btn:hover {
  background: var(--error);
  color: #fff;
  transform: scale(1.04);
  box-shadow: 0 4px 14px rgba(240, 98, 95, 0.28);
}

/* 孩子学习界面右上角「返回后台端」按钮（家长代管视角） */
.dashboard-header__back-admin-btn {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: rgba(42, 196, 181, 0.10);
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-quint);
  border: none;
  flex-shrink: 0;
}
.dashboard-header__back-admin-btn:hover {
  background: var(--secondary);
  color: #fff;
  transform: scale(1.04);
  box-shadow: 0 4px 14px rgba(42, 196, 181, 0.28);
}

/* --- 顶部 Tab 导航 --- */
.admin-panel__top-tabs {
  display: flex;
  gap: 0;
  padding: 0 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.admin-panel__top-tabs::-webkit-scrollbar {
  display: none;
}

.admin-panel__top-tab {
  flex-shrink: 0;
  padding: 14px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.admin-panel__top-tab:hover {
  color: var(--text-secondary);
}

.admin-panel__top-tab--active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* --- Admin 内容区 --- */
.admin-panel__content {
  padding: 0 0 30px 0;
  min-height: calc(100dvh - 120px);
}

/* --- Admin 卡片（精致投影 + 微边框）--- */
.admin-panel__card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px 12px;
  box-shadow:
    0 1px 2px rgba(45, 36, 34, 0.03),
    0 4px 14px rgba(45, 36, 34, 0.05),
    0 0 0 1px rgba(240, 232, 226, 0.6);
}

.admin-panel__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

/* 家庭概览：孩子标签切换 */
.family-scope-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.family-scope-tab {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}
.family-scope-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.family-scope-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.family-scope-active {
  margin-top: 10px;
  max-width: 480px;
}

/* ============ 家庭概览：选中孩子的学习范围（一张卡片，四行科目） ============ */
.family-scope-card {
  width: 100%;
  box-sizing: border-box;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px 6px;
  box-shadow: var(--shadow-xs);
}
.family-scope-card__title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text);
  padding-bottom: 9px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--border);
}
/* 科目行：图标色块 + 科目名 + 数值 + 标签 */
.fs-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.fs-row:last-child { border-bottom: none; }
.fs-row__icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  flex-shrink: 0;
}
.fs-row--zh .fs-row__icon   { background: var(--primary-light); }
.fs-row--en .fs-row__icon   { background: var(--secondary-light); }
.fs-row--re .fs-row__icon   { background: var(--accent-light); }
.fs-row--math .fs-row__icon { background: #EFEAFE; }
.fs-row__label {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text-secondary);
  width: 64px;
  flex-shrink: 0;
}
.fs-row--zh .fs-row__label   { color: var(--primary-dark); }
.fs-row--en .fs-row__label   { color: var(--secondary-dark); }
.fs-row--re .fs-row__label   { color: var(--accent-dark); }
.fs-row--math .fs-row__label { color: #6B5BD6; }
.fs-row__num {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: var(--text-secondary);
}
.fs-row__num b {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
}
.fs-row__num span {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}
.fs-row__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
}
.fs-tag {
  background: var(--bg-warm);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  font-size: 0.64rem;
  font-weight: 700;
  white-space: nowrap;
}
.fs-row--zh .fs-tag:first-child { background: var(--primary-light); color: var(--primary-dark); }
.fs-row--en .fs-tag:first-child { background: var(--secondary-light); color: var(--secondary-dark); }
.fs-row--re .fs-tag:first-child { background: var(--accent-light); color: var(--accent-dark); }
.fs-row--math .fs-tag:first-child { background: #EFEAFE; color: #6B5BD6; }

.admin-panel__card-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* --- 添加按钮（渐变微光）--- */
.admin-panel__add-btn {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary) 0%, #FF8675 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-quint);
  box-shadow:
    0 4px 14px rgba(255, 107, 91, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.admin-panel__add-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px rgba(255, 107, 91, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.admin-panel__add-btn:active {
  transform: scale(0.96);
}

/* --- 统计区域 --- */
.admin-panel__stats {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.admin-panel__stat {
  flex: 1;
  text-align: center;
  padding: 16px 12px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
}

.admin-panel__stat-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}

.admin-panel__stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* --- 邀请码区域 --- */
.admin-panel__invite-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.admin-panel__invite-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.admin-panel__invite-code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.08em;
  background: var(--card);
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  border: 1px dashed var(--border-focus);
  text-align: center;
  word-break: break-all;
}

.admin-panel__copy-btn {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--secondary) 0%, #3DD6C7 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-quint);
  white-space: nowrap;
  box-shadow: 0 3px 10px rgba(42, 196, 181, 0.18);
}

.admin-panel__copy-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(42, 196, 181, 0.28);
}

.admin-panel__copy-btn:active {
  transform: scale(0.95);
}

/* --- 成员区域标题 --- */
.admin-panel__member-section {
  margin-top: 8px;
}

.admin-panel__section-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 12px;
}

/* --- 成员行容器（卡片 + 操作按钮） --- */
.admin-panel__member-row {
  display: flex;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 10px;
}

/* --- 成员卡片 --- */
.admin-panel__member-card {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  background: linear-gradient(135deg, #FFFBF8 0%, var(--bg-warm) 100%);
  border-radius: 16px;
  cursor: default;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(240, 232, 226, 0.4);
  position: relative;
  overflow: hidden;
}

.admin-panel__member-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 107, 91, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out-quint);
}

.admin-panel__member-card:hover {
  background: linear-gradient(135deg, #FFF6F0 0%, #FDECE5 100%);
  border-color: rgba(255, 181, 168, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(45, 36, 34, 0.06);
}

.admin-panel__member-card:hover::before {
  opacity: 1;
}

.admin-panel__member-card[data-uid] {
  cursor: pointer;
}

.admin-panel__member-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFF5F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
  box-shadow:
    0 2px 8px rgba(45, 36, 34, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.admin-panel__member-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.admin-panel__member-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text);
}

.admin-panel__member-tag {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 2px;
}

.admin-panel__member-role {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.admin-panel__member-meta {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.admin-panel__member-score {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--secondary);
  white-space: nowrap;
}

/* ---- 孩子配置弹窗按钮 ---- */
.child-config-options { display: flex; flex-direction: column; gap: 8px; }
.child-config-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 16px;
  background: #F9F6F3;
  border: 2px solid #EAE4E0;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  text-align: left;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.child-config-btn:hover { border-color: var(--border-focus); background: #FFF; }
.child-config-btn__label { font-weight: 600; color: var(--text); }
.child-config-btn__val { font-weight: 400; color: var(--text-muted); }

/* ---- 单项选择器（教材版本 / 年级） ---- */
.config-radio-list { display: flex; flex-direction: column; gap: 8px; }
.config-radio {
  display: block;
  width: 100%;
  padding: 12px 16px;
  background: #F9F6F3;
  border: 2px solid #EAE4E0;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.config-radio:hover { border-color: var(--border-focus); background: #FFF; }
.config-radio--active { border-color: var(--primary) !important; background: var(--primary-light) !important; color: var(--primary-dark) !important; font-weight: 700; }

/* --- 成员操作按钮组（上下两行，高度与卡片一致） --- */
.admin-panel__member-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.admin-panel__member-delete,
.admin-panel__member-setadmin {
  flex: 1;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-quint);
  white-space: nowrap;
}

.admin-panel__member-delete {
  background: rgba(240, 98, 95, 0.08);
  color: var(--error);
}

.admin-panel__member-delete:hover {
  background: rgba(240, 98, 95, 0.18);
  transform: scale(1.02);
}

.admin-panel__member-setadmin {
  background: rgba(108, 155, 210, 0.08);
  color: var(--info);
}

.admin-panel__member-setadmin:hover {
  background: rgba(108, 155, 210, 0.18);
  transform: scale(1.02);
}

/* --- 年级选择器 --- */
.grade-picker__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
  padding: 4px 0;
}
.grade-picker__item {
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--card-bg);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s var(--ease-out-quint);
}
.grade-picker__item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.grade-picker__item:active {
  transform: scale(0.95);
}
/* 当前选中样式 */
.grade-picker__item[style*="var(--primary-light)"] {
  border-color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

/* --- Tab 面板显示/隐藏 --- */
.admin-panel__tab-panel {
  animation: fadeIn 0.3s var(--ease-out-quint) both;
}

.admin-panel__tab-panel--active {
  display: block;
}

/* ================================================================
   DASHBOARD LAYOUTS — 各仪表盘布局
   ================================================================ */
.dashboard-shared,
.dashboard-child {
  min-height: 100dvh;
  background: var(--bg);
}

.dashboard-independent {
  min-height: 100dvh;
  background: var(--bg);
  padding-bottom: 80px;
}

/* ================================================================
   RESPONSIVE — 响应式补充
   ================================================================ */
@media (min-width: 768px) {
  .dashboard-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .admin-panel__content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .admin-panel__top-tabs {
    justify-content: center;
  }

  .bottom-tabs {
    max-width: var(--max-width);
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
}

/* ================================================================
   SETTINGS PANEL — 设置面板（紧凑分段控件，两列布局）
   ================================================================ */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  align-items: center;
}
/* ---- Settings（完全隔离，抵御浏览器怪癖） ---- */
.settings-card {
  all: initial !important;
  display: block !important;
  box-sizing: border-box !important;
  width: 100% !important;
  background: #FFFFFF !important;
  border-radius: 12px !important;
  padding: 10px 14px !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: 0 1px 2px rgba(45,36,34,0.03), 0 4px 14px rgba(45,36,34,0.05), 0 0 0 1px rgba(240,232,226,0.6) !important;
  cursor: pointer !important;
  line-height: 1 !important;
  font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif !important;
  font-size: 16px !important;
  color: #2D2422 !important;
  -webkit-text-size-adjust: none !important;
  text-size-adjust: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
  position: relative !important;
}
.settings-card::after {
  /* (diagnostic marker removed) */
  display: none;
}
.settings-card:hover {
  transform: translateX(2px) !important;
}
.settings-card:active {
  opacity: 0.8 !important;
}

.settings-row {
  all: initial !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 6px !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
  line-height: 1 !important;
  font-family: inherit !important;
  font-size: 16px !important;
  color: inherit !important;
  min-height: 32px !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.settings-row__label {
  all: initial !important;
  font-family: inherit !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #2D2422 !important;
  white-space: nowrap !important;
  line-height: 1 !important;
  display: inline !important;
}
.settings-row__arrow {
  all: initial !important;
  font-family: inherit !important;
  font-size: 18px !important;
  color: #B5ADA8 !important;
  font-weight: 300 !important;
  line-height: 1 !important;
  display: inline !important;
}

.segmented-control {
  display: inline-flex;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.segmented-control__option {
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease-out-quint);
  white-space: nowrap;
  background: transparent;
  border: none;
}
.segmented-control__option:hover {
  color: var(--text);
}
.segmented-control__option--active {
  background: var(--card-bg);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* ---- 孩子选择弹窗 ---- */
.child-select-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.child-select-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-warm);
  cursor: pointer;
  transition: all 0.15s var(--ease-out-quint);
  border: 2px solid transparent;
  width: 100%;
  box-sizing: border-box;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}
.child-select-card:hover {
  background: var(--primary-light);
}
.child-select-card--selected {
  background: var(--primary-light);
  border-color: var(--primary);
}
.child-select-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  text-align: center;
}
.child-select-card__detail {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  text-align: center;
}
.child-select-card__unset {
  color: var(--error);
  font-weight: 500;
}
.child-select-card__grade {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.4;
  margin-top: 2px;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  text-align: center;
}
.child-select__hint {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}
.child-select-card__version {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.3;
  margin-top: 1px;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  text-align: center;
}

/* ---- 范围模式按钮 ---- */
.scope-mode-buttons {
  display: flex;
  gap: 10px;
  margin: 0;
}
.scope-mode-btn {
  flex: 1;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-warm);
  border: 2px solid var(--border);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s var(--ease-out-quint);
}
.scope-mode-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}

/* ---- 抽取数量行 ---- */
.word-count-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  margin-top: 12px;
  border-top: 1px solid var(--border);
}
.word-count-row__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.word-count-row__value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 12px;
  background: var(--primary-light);
  border-radius: var(--radius-full);
  transition: all 0.15s var(--ease-out-quint);
}
.word-count-row__value:hover {
  background: #ffe0d8;
}

/* ---- 开关行 ---- */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.toggle-row__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}
.toggle-switch__input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-switch__slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 28px;
  transition: all 0.2s var(--ease-out-quint);
}
.toggle-switch__slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: all 0.2s var(--ease-out-quint);
}
.toggle-switch__input:checked + .toggle-switch__slider {
  background: var(--primary);
}
.toggle-switch__input:checked + .toggle-switch__slider::before {
  transform: translateX(24px);
}

/* ---- 滑块弹窗内样式 ---- */
#wc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255, 107, 91, 0.3);
}
#wc-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

/* ---- 单元选择弹窗 ---- */
.scope-semester-group {
  margin-bottom: 16px;
}
.scope-semester__title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.scope-select-all {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-xs);
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.15s var(--ease-out-quint);
  white-space: nowrap;
}
.scope-select-all:hover {
  background: var(--primary-light);
}
.scope-lessons-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.scope-lesson-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #F9F6F3;
  border: 2px solid #EAE4E0;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s var(--ease-out-quint);
}
.scope-lesson-item:hover {
  border-color: var(--border-focus);
  background: #FFF;
}
.scope-lesson-item:has(input:checked) {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
  font-weight: 700;
}

/* ================================================================
   ICP 备案号
   ================================================================ */
.icp-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding: 4px 10px;
  background: var(--bg);
  z-index: 100;
  border-top: 1px solid var(--border);
}
.icp-footer a {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-decoration: none;
}
.icp-footer a:hover {
  color: var(--text);
}

.icp-footer__sep {
  font-size: 0.68rem;
  color: var(--border);
  margin: 0 6px;
}
.icp-footer__gaba {
  display: none;
}

/* ---- 积分规则弹窗 ---- */
.scoring-word-count {
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.scoring-rule-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text);
}

.scoring-rule__text {
  color: var(--text);
  white-space: nowrap;
}

.scoring-rule__val {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 0.95rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s var(--ease-out-quint);
  margin: 0 2px;
}
.scoring-rule__val:hover {
  background: var(--primary);
  color: #fff;
}

/* ---- 数字选择器滑块 ---- */
#np-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255, 107, 91, 0.3);
}

/* ==================== 语文听写 ==================== */
.dict-prep-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.95rem;
}
.dict-prep-row:last-of-type {
  border-bottom: none;
}
.dict-prep-label {
  color: var(--text-secondary);
}

.dict-btn-ghost {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--bg-warm);
  border: 1px solid var(--border);
}
.dict-btn-ghost:hover {
  background: var(--border);
}

.dict-audio-btn {
  padding: 9px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px solid var(--border-focus);
}
.dict-audio-btn:active {
  transform: scale(0.96);
}

.dict-input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(255, 107, 91, 0.12);
}

.dict-submit-btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.dict-photo-btn {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  color: #fff;
  background: var(--primary);
  box-shadow: var(--shadow-primary);
}
.dict-photo-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.dict-nav-btn {
  flex: 1;
  padding: 12px;
  font-size: 0.98rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--card);
  border: 1.5px solid var(--border);
}
.dict-nav-btn--next {
  color: #fff;
  background: var(--secondary);
  border-color: var(--secondary);
  box-shadow: 0 4px 14px rgba(42, 196, 181, 0.25);
}
.dict-nav-btn:disabled {
  opacity: 0.45;
  cursor: default;
}
#np-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

/* ==================== 学习设置整页（设置面板 → 学习设置） ==================== */
.settings-row__desc {
  flex: 1;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ls-page {
  display: block;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}
.ls-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.ls-header__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--text);
}
.ls-header__spacer {
  width: 74px;
}
.ls-subject-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.ls-subject-tab {
  flex: 1;
  padding: 9px 0;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.2s;
}
/* 科目切换：带边框盒子（与「本学期/顺序模式」等分段控件同风格），选中=青色边框+浅青底 */
.ls-subject-tab--active {
  border-color: var(--secondary);
  background: var(--secondary-light);
  color: var(--secondary-dark);
}
.ls-subject-tab[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}
.ls-badge {
  display: inline-block;
  margin-left: 3px;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  background: var(--warning-light);
  color: var(--warning);
  font-size: 0.58rem;
  font-weight: 800;
  vertical-align: middle;
}
.ls-child-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  background: var(--bg-warm);
  padding: 5px;
  border-radius: 12px;
}
.ls-child-tab {
  flex: 1;
  padding: 9px 0;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}
/* 孩子切换：边框盒子，选中=红色边框+红色文字+浅红底（顶层选择用主色） */
.ls-child-tab--active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: 0 1px 4px rgba(255, 107, 91, 0.25);
}
.ls-group {
  position: relative;
  padding-left: 12px;
  margin-top: 16px;
}
/* 分组左侧彩色竖条：从标题顶部贯穿到整卡底部（覆盖该分组整个设置的高度），不同分组不同颜色 */
.ls-group::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 0;
  width: 4px;
  border-radius: 2px;
  background: var(--primary);
}
.ls-group:has(.ls-group-card--mode)::before     { background: var(--secondary); }
.ls-group:has(.ls-group-card--score)::before    { background: var(--accent); }
.ls-group:has(.ls-group-card--types)::before    { background: var(--info); }
.ls-group:has(.ls-group-card--practice)::before { background: var(--primary); }
/* 出题题型摘要：标题下方常驻显示已选题型（chip）/ 未选引导文字 */
.ls-math-types-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  margin: -2px 2px 8px;
  font-size: 0.74rem;
  line-height: 1.5;
}
.ls-math-types-summary__label {
  color: var(--text-secondary);
  font-weight: 800;
}
.ls-math-types-summary__chip {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--primary-light);
  border: 1px solid var(--primary-medium);
  color: var(--primary-dark);
  font-weight: 700;
  white-space: nowrap;
}
.ls-math-types-summary__hint {
  color: var(--text-muted);
  font-size: 0.74rem;
}
/* 分组标题：加大 + 用分组色（深红/深青/深橙/深蓝），与行标签/说明文字拉开层级 */
.ls-group__title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--primary-dark);
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.ls-group:has(.ls-group-card--mode) .ls-group__title     { color: var(--secondary-dark); }
.ls-group:has(.ls-group-card--score) .ls-group__title    { color: var(--accent-dark); }
.ls-group:has(.ls-group-card--types) .ls-group__title    { color: var(--info); }
.ls-group:has(.ls-group-card--practice) .ls-group__title { color: var(--primary-dark); }
/* 可折叠分组标题（如数学题型占比）：整行可点击，右侧箭头 */
.ls-group__title--toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px;
  border-radius: 6px;
  user-select: none;
  transition: color 0.15s;
}
.ls-group__title--toggle:hover {
  color: var(--text-secondary);
}
.ls-group__arrow {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0;
}
.ls-group__title--toggle:hover .ls-group__arrow {
  color: var(--accent-dark);
}
.ls-group-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--card);
  /* 卡片从浅粉页面底色上浮起，与背景拉开层级 */
  box-shadow: 0 2px 6px rgba(45, 36, 34, 0.05), 0 8px 24px rgba(45, 36, 34, 0.07);
}
.ls-seg {
  display: flex;
  padding: 4px;
  gap: 4px;
}
.ls-seg-btn {
  flex: 1;
  padding: 9px 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
/* 选中态与顶部 tab 统一：红边框 + 浅红底（学习范围/抽取方式/数学难度同款） */
.ls-seg-btn--active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
}
/* 选中态颜色跟随所在分组的竖向色条：抽取方式=青、阅读积分=橙（学习范围/练习设置默认红） */
.ls-group-card--mode .ls-seg-btn--active {
  border-color: var(--secondary);
  background: var(--secondary-light);
  color: var(--secondary-dark);
}
.ls-group-card--score .ls-seg-btn--active {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent-dark);
}
/* 出题题型分组（蓝色竖条）：已选题型 chip 边框/文字用蓝色 */
.ls-group-card--types .ls-type-chip--on {
  border-color: var(--info);
  background: #EDF1F8;
  color: var(--info);
}
.ls-group-card--types .ls-type-chip--on small {
  color: var(--info);
}
/* 出题题型标题下方的已选摘要 chip 同样用蓝色（与分组竖条/卡片内 chip 一致） */
.ls-group:has(.ls-group-card--types) .ls-math-types-summary__chip {
  border-color: var(--info);
  background: #EDF1F8;
  color: var(--info);
}
.ls-seg-desc {
  padding: 8px 12px 10px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.5;
  border-top: 1px dashed var(--border);
}
/* 数学题型多选（知识模块分组勾选） */
.ls-type-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 12px 0;
}
.ls-type-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.ls-type-btn--on {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}
.ls-type-mod {
  padding: 10px 12px 2px;
}
.ls-type-mod__title {
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.ls-type-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ls-type-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-secondary);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.ls-type-chip small {
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--text-muted);
}
.ls-type-chip--on {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}
.ls-type-chip--on small {
  color: var(--primary);
}
.ls-type-cb {
  display: none;
}
.ls-summary {
  padding: 9px 12px;
  border-top: 1px dashed var(--border);
  font-size: 0.76rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
/* 范围摘要文字：与上方 本学期/本年级/自定义 按钮同色（灰），黑体加粗才明显 */
#ls-scope-text {
  font-weight: 800;
  color: var(--text-secondary);
}
.ls-summary b {
  color: var(--primary-dark);
  flex-shrink: 0;
}
.ls-summary__hint {
  color: var(--text-muted);
  font-size: 0.66rem;
  flex-shrink: 0;
  border-bottom: 1px dashed var(--text-muted);
}
/* 更改范围按钮（小号胶囊，青色系：醒目且区别于上方的红色选中态） */
.ls-btn--scope {
  flex: 0 0 auto;
  padding: 4px 12px;
  border: 1px solid var(--secondary);
  background: var(--secondary-light, #E5FAF7);
  color: var(--secondary-dark, #1E9E93);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ls-btn--scope:active {
  transform: scale(0.96);
  background: var(--secondary);
  color: #fff;
}
/* 防呆：科目 tab 未设置角标 */
.ls-subject-tab__badge {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #E53935;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  vertical-align: 2px;
}
.ls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px;
  border-top: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.85rem;
}
.ls-row:first-child {
  border-top: none;
}
.ls-row__label {
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
}
.ls-row__sub {
  display: block;
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-top: 2px;
  font-weight: 400;
}
.ls-row__value {
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 800;
}
.ls-row__arrow {
  color: var(--text-muted);
  margin-left: 6px;
}
.ls-math-step {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--primary-dark);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.2s;
}
.ls-math-step:hover {
  background: var(--primary-light);
}
.ls-math-val {
  min-width: 34px;
  text-align: center;
}
.ls-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-top: 1px dashed var(--border);
}
.ls-toggle-row__label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.ls-tier-area {
  border-top: 1px dashed var(--border);
  margin-top: 2px;
  padding: 6px 0 10px;
}
.ls-tier-table {
  margin: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}
/* 阅读计时：时长选择 chips */
.rt-chip {
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 10px 0;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-align: center;
  transition: all .15s ease;
}
.rt-chip:active {
  transform: scale(.96);
}
.rt-chip--on {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.ls-tier-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  font-size: 0.76rem;
}
.ls-tier-row:first-child {
  border-top: none;
}
.ls-tier-name {
  font-weight: 700;
  color: var(--text-secondary);
}
.ls-tier-rule {
  color: var(--text-secondary);
  font-size: 0.68rem;
  margin-top: 2px;
}
.ls-tier-rule--edit {
  cursor: pointer;
  display: inline-block;
  color: var(--error);
  font-weight: 800;
  border-bottom: 1px dashed var(--error);
  -webkit-tap-highlight-color: transparent;
}
.ls-tier-score {
  color: var(--primary-dark);
  font-weight: 800;
  cursor: pointer;
  border-bottom: 1px dashed var(--primary-dark);
  -webkit-tap-highlight-color: transparent;
}
.ls-tier-del {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--error-light);
  color: var(--error);
  font-size: 0.62rem;
  line-height: 18px;
  text-align: center;
  flex-shrink: 0;
  cursor: pointer;
}

/* -------------------- 孩子端排行榜页（学习奖杯榜：领奖台 + 成员榜 + 学科小条） -------------------- */
.rank-page {
  padding: 8px 0 28px;
  max-width: 640px;
  margin: 0 auto;
}
/* 手机上让排行榜框顶到屏幕左右边缘（抵消 .dashboard-content 的 16px padding） */
@media (max-width: 599px) {
  .rank-page {
    margin: 0 -16px;
  }
}
.rank-hero {
  padding: 16px 20px 10px;
  text-align: center;
}
.rank-hero__title {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--text);
}
.rank-hero__sub {
  margin-top: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.rank-tabs {
  display: flex;
  margin: 4px 20px 14px;
  padding: 4px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}
.rank-tabs__btn {
  flex: 1;
  padding: 9px 0;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--dur-base) var(--ease-out-quint);
  -webkit-tap-highlight-color: transparent;
}
.rank-tabs__btn--active {
  background: linear-gradient(135deg, var(--primary), var(--primary-medium));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
/* 分类切换按钮：总分/背诵/英语/语文/数学 */
.rank-cat-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: -4px 20px 14px;
}
.rank-cat-btn {
  padding: 8px 0;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-secondary);
  transition: all var(--dur-base) var(--ease-out-quint);
  -webkit-tap-highlight-color: transparent;
}
.rank-cat-btn--active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: var(--shadow-primary);
}
/* 我的排名卡 */
.rank-mine {
  margin: -4px 20px 14px;
  padding: 12px 14px;
  background: var(--primary-light);
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
}
.rank-mine__title {
  font-size: 0.78rem;
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
/* 多孩子家长：我的排名横排胶囊（一行排开，超宽自动换行） */
.rank-mine__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rank-mine__pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.85rem;
}
.rank-mine__pill-name { font-weight: 800; color: var(--text); }
.rank-mine__pill-pos { font-style: normal; font-weight: 900; color: var(--text-secondary); }
/* 前三名胶囊：浅金银铜底 + 深金银铜名次文字（呼应榜单） */
.rank-mine__pill--top1 { background: #FFF6D8; border-color: #E8C44A; }
.rank-mine__pill--top2 { background: #F0F3F6; border-color: #BFC7CE; }
.rank-mine__pill--top3 { background: #FBEEDD; border-color: #D8A468; }
.rank-mine__pill-pos--1 { color: #B8860B; }
.rank-mine__pill-pos--2 { color: #7A8A99; }
.rank-mine__pill-pos--3 { color: #A05A2C; }
.rank-mine__pill-pos--none { color: var(--text-muted); font-weight: 700; }
/* 加载更多 */
.rank-more {
  padding: 9px 26px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--primary);
  background: #fff;
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
}
/* 奖励横幅 */
.rank-reward {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 20px 16px;
  padding: 11px 14px;
  background: linear-gradient(135deg, var(--warning-light), #FFF1D6);
  border: 1px solid rgba(255, 179, 71, 0.45);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.rank-reward__icon { font-size: 1.35rem; }
.rank-reward__txt { font-size: 0.84rem; font-weight: 600; color: var(--text); line-height: 1.5; }
.rank-reward__txt b { font-weight: 900; }
.rank-reward__val { color: var(--accent-dark); font-size: 0.95rem; }
.rank-reward__sub {
  margin-top: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-dark);
}
/* 前三名领奖台（视觉顺序 2-1-3） */
.rank-podium {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  padding: 10px 20px 20px;
}
.rank-podium__slot {
  flex: 1;
  max-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(24px) scale(0.9);
  animation: rank-pop var(--dur-slow) var(--ease-out-back) forwards;
}
@keyframes rank-pop {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.rank-podium__medal {
  height: 26px;
  line-height: 26px;
  font-size: 1.5rem;
}
.rank-podium__slot--1 .rank-podium__medal {
  animation: rank-bounce 2.4s var(--ease-spring) infinite;
}
@keyframes rank-bounce {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-4px) rotate(6deg); }
}
.rank-podium__avatar {
  width: 62px;
  height: 62px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.rank-podium__slot--1 .rank-podium__avatar {
  width: 74px;
  height: 74px;
  border-color: var(--warning);
  box-shadow: 0 0 0 5px rgba(255, 179, 71, 0.18), var(--shadow-md);
}
.rank-podium__name {
  margin-top: 7px;
  max-width: 100%;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rank-podium__name i {
  font-style: normal;
  margin-left: 4px;
  padding: 1px 5px;
  font-size: 0.62rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
}
.rank-podium__total { margin-top: 3px; font-size: 0.72rem; font-weight: 600; color: var(--text-muted); }
.rank-podium__total b { font-size: 1.15rem; font-weight: 900; color: var(--text); margin-right: 2px; }
.rank-podium__base {
  width: 100%;
  margin-top: 8px;
  text-align: center;
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--bg-warm), var(--border));
  border-radius: 12px 12px 4px 4px;
  color: var(--text-muted);
}
.rank-podium__slot--1 .rank-podium__base { height: 66px; background: linear-gradient(180deg, var(--warning-light), #FFE2AE); color: var(--accent-dark); }
.rank-podium__slot--2 .rank-podium__base { height: 46px; background: linear-gradient(180deg, #F2F5F7, #DCE3E8); color: #8FA0AC; }
.rank-podium__slot--3 .rank-podium__base { height: 34px; background: linear-gradient(180deg, #FBF0E6, #EDD3BB); color: #C0895C; }
/* 全体成员榜单 */
.rank-list { padding: 0 20px; }
.rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  opacity: 0;
  transform: translateY(12px);
  animation: rank-slide var(--dur-base) var(--ease-out-quint) forwards;
}
@keyframes rank-slide { to { opacity: 1; transform: translateY(0); } }
.rank-row--me {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary-light), #fff);
  box-shadow: 0 0 0 3px rgba(255, 107, 91, 0.12), var(--shadow-xs);
}
.rank-row__no {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--text-secondary);
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
}
/* 前三名徽标：加深保证在金银铜行底上的对比 */
.rank-row__no--1 { background: #B8860B; color: #fff; }
.rank-row__no--2 { background: #8A97A3; color: #fff; }
.rank-row__no--3 { background: #A05A2C; color: #fff; }
/* 前三名行：整卡底色直接用金银铜 */
.rank-row--top1 {
  background: linear-gradient(135deg, #FFE9A8, #FFD75E);
  border-color: #E8C44A;
}
.rank-row--top2 {
  background: linear-gradient(135deg, #EAEEF2, #C7CDD4);
  border-color: #AEB6BE;
}
.rank-row--top3 {
  background: linear-gradient(135deg, #F2CDA0, #DCA468);
  border-color: #C8905A;
}
.rank-row--top1 .rank-row__name,
.rank-row--top1 .rank-row__total b { color: #7A5B00; }
.rank-row--top2 .rank-row__name,
.rank-row--top2 .rank-row__total b { color: #46525C; }
.rank-row--top3 .rank-row__name,
.rank-row--top3 .rank-row__total b { color: #6B3F15; }
.rank-row__info { flex: 1; min-width: 0; }
.rank-row__name {
  display: flex;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text);
}
.rank-row__me-badge {
  font-style: normal;
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 0.6rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
}
.rank-row__subjects {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 7px;
}
.rank-subj {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.rank-subj__label { flex: 0 0 auto; }
.rank-subj__bar {
  width: 46px;
  height: 6px;
  background: var(--bg-warm);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.rank-subj__bar i {
  display: block;
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--dur-slow) var(--ease-out-quint);
}
.rank-subj--s-recite .rank-subj__bar i { background: var(--secondary); }
.rank-subj--s-en .rank-subj__bar i { background: var(--primary); }
.rank-subj--s-zh .rank-subj__bar i { background: var(--accent); }
.rank-subj--s-math .rank-subj__bar i { background: var(--info); }
.rank-subj--s-read .rank-subj__bar i { background: var(--success); }
.rank-subj__val { flex: 0 0 auto; font-size: 0.75rem; font-weight: 900; color: var(--text); }
/* 单科之星徽章：该用户是某学科第一时显示 */
.rank-star {
  flex: 0 0 auto;
  font-style: normal;
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 0.6rem;
  font-weight: 900;
  line-height: 1.5;
  color: #fff;
  border-radius: var(--radius-full);
}
.rank-star--s-recite { background: var(--secondary); }
.rank-star--s-en { background: var(--primary); }
.rank-star--s-zh { background: var(--accent); }
.rank-star--s-math { background: var(--info); }
.rank-star--s-read { background: var(--success); }
.rank-row__total {
  flex: 0 0 auto;
  text-align: right;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
}
.rank-row__total b {
  display: block;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--primary-dark);
  line-height: 1.1;
}
.rank-row--me .rank-row__total b { color: var(--primary); }
/* 空态 */
.rank-empty { text-align: center; padding: 54px 20px; }
.rank-empty__icon { font-size: 3rem; animation: rank-float 2.6s ease-in-out infinite; }
@keyframes rank-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.rank-empty__title { margin-top: 12px; font-size: 1.05rem; font-weight: 900; color: var(--text); }
.rank-empty__desc { margin-top: 6px; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
/* 加载 */
.rank-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 50px 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}
.rank-loading span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-medium);
  animation: rank-dot 1s ease-in-out infinite;
}
.rank-loading span:nth-child(2) { animation-delay: 0.15s; }
.rank-loading span:nth-child(3) { animation-delay: 0.3s; }
@keyframes rank-dot {
  0%, 100% { transform: scale(0.6); opacity: 0.4; }
  50% { transform: scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .rank-podium__slot, .rank-row, .rank-empty__icon, .rank-loading span { animation: none; opacity: 1; transform: none; }
}
.ls-add-tier {
  display: block;
  width: calc(100% - 24px);
  margin: 8px 12px 0;
  padding: 8px 0;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.ls-mini-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border-top: 1px dashed var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 700;
  cursor: pointer;
}
.ls-mini-row:first-child {
  border-top: none;
}
.ls-mini-val {
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 0.78rem;
}
.ls-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding-bottom: 24px;
}
.ls-btn {
  flex: 1;
  padding: 12px 0;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
}
.ls-btn--save {
  border: none;
  background: var(--primary);
  color: #fff;
}
.ls-btn--save:disabled {
  opacity: 0.6;
  cursor: default;
}

/* ===== 数学练习（做题界面） ===== */
.math-question {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.7;
  word-break: break-word;
  max-width: 90%;
  margin: 0 auto 18px;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.math-answer-input {
  width: 78%;
  max-width: 320px;
  padding: 13px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-primary);
  background: var(--bg-card);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.math-answer-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.quiz-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin-bottom: 4px;
}
.quiz-progress__bar {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.2s;
}
.dict-quit-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.dict-quit-btn:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}
.dict-stat-item {
  flex: 1;
  min-width: 0;
  text-align: center;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.dict-stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-title);
}
.dict-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-top: 2px;
}

/* -------------------- 积分兑换限制浮窗 -------------------- */
.rlc-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  margin-bottom: 6px;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.rlc-check input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--primary);
  cursor: pointer;
  flex: 0 0 auto;
}
.rlc-task {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 12px;
  margin-bottom: 6px;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
}
.rlc-task .rlc-check {
  background: none;
  padding: 6px 0;
  margin-bottom: 0;
}
.rlc-stepper {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}
.rlc-step {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
}
.rlc-step:active { transform: scale(0.92); }
.rlc-step-val {
  min-width: 34px;
  text-align: center;
  font-weight: 900;
  font-size: 1rem;
  color: var(--text);
}
.rlc-step-unit {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-left: 2px;
}

/* -------------------- 积分兑换比例浮窗（3卡片并排 + 滑块） -------------------- */
.rr-cards {
  display: flex;
  gap: 10px;
  margin: 2px 0 18px;
}
.rr-card {
  flex: 1 1 0;
  min-width: 0;
  background: var(--bg-warm);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 4px 10px;
  text-align: center;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.rr-card__check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}
.rr-card__check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex: 0 0 auto;
}
.rr-card__num {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
  transition: transform var(--dur-fast) var(--ease-out-quint);
}
.rr-card__num:active { transform: scale(0.9); }
.rr-card__unit {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.rr-slider-val {
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  border: 2px solid var(--border);
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--bg-warm);
  margin: 2px 0 0;
}
#rr-slider {
  width: 100%;
  height: 8px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--border);
  border-radius: 4px;
  outline: none;
  margin-top: 10px;
}
#rr-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255, 107, 91, 0.3);
}
#rr-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}
.rr-slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* -------------------- 兑换明细（奖品列表） -------------------- */
.rd-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text);
  margin: 16px 0 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.rd-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 2px 0 12px;
  max-height: 40vh;
  overflow-y: auto;
}
.rd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
}
.rd-item__name {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rd-item__points {
  flex: 0 0 auto;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
}
.rd-item__del {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--error);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.rd-item__del:active { transform: scale(0.9); }

/* BUFF 列表条目：移动端两行（第一行姓名+日期，第二行积分+开启+删除），大屏一行 */
.rd-item--buff { flex-wrap: wrap; }
@media (max-width: 599px) {
  .rd-item--buff {
    gap: 8px 10px;
    padding: 10px 12px;
  }
  .rd-item--buff .rd-item__name {
    flex-basis: 100%;
    white-space: normal;
    text-overflow: clip;
    line-height: 1.5;
  }
  .rd-item--buff .rd-item__points {
    flex: 1 1 auto;
    font-size: 0.88rem;
  }
}
.rd-add {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--primary-medium);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.rd-add:active { transform: scale(0.98); }

/* -------------------- 奖励BUFF（寒暑假每日奖励） -------------------- */
.bf-users {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.bf-user {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 6px 12px;
  background: var(--bg-warm);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.bf-user--active {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 4px 14px rgba(255, 107, 91, 0.18);
}
.bf-user__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.bf-user__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.bf-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  margin-bottom: 4px;
}
.bf-form__row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bf-form__label {
  flex: 0 0 auto;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.bf-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  border: 2px solid var(--border);
  background: var(--card);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.bf-input--num { flex: 0 0 80px; text-align: center; }
.bf-form__sep {
  flex: 0 0 auto;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
}
.bf-form__unit {
  flex: 0 0 auto;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 700;
}
.bf-enable {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  margin-left: auto;
  flex: 0 0 auto;
}
.bf-enable input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}
.bf-slider {
  flex: 1 1 auto;
  min-width: 0;
  height: 8px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--border);
  border-radius: 4px;
  outline: none;
}
.bf-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-medium));
  box-shadow: 0 2px 8px rgba(255, 107, 91, 0.35);
  cursor: pointer;
  border: 3px solid #fff;
}
.bf-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
}

/* 排行榜设置浮窗 */
.lb-slider-wrap {
  display: flex;
  align-items: center;
  padding: 6px 10px 12px;
}
.lb-slider-wrap .bf-slider {
  width: 100%;
}
.lb-note {
  margin: 2px 6px 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-warm);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 手动调整积分 */
.ms-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ms-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-warm);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
}
.ms-user:active { transform: scale(0.98); background: #FCEAE3; }
.ms-user__avatar {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-medium));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ms-user__info { flex: 1 1 auto; min-width: 0; }
.ms-user__name {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text);
}
.ms-user__score {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.ms-user__score b {
  color: var(--primary-dark);
  font-size: 1rem;
}
.ms-user__edit {
  flex: 0 0 auto;
  font-size: 0.84rem;
  color: var(--primary);
  font-weight: 700;
}
.ms-edit-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  background: var(--bg-warm);
}
.ms-edit-head__name { font-weight: 800; font-size: 1.05rem; }
.ms-edit-head__score { font-size: 0.88rem; color: var(--text-secondary); }
.ms-edit-head__score b { color: var(--primary-dark); font-size: 1.1rem; }
.ms-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: #F9F6F3;
  border: 2px solid transparent;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 14px;
  transition: all var(--dur-base) var(--ease-out-quint);
}
.ms-input:focus {
  background: #fff;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(255, 107, 91, 0.08);
}
.ms-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.ms-btn {
  flex: 1;
  padding: 13px 0;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
  transition: all var(--dur-base) var(--ease-out-quint);
}
.ms-btn:active { transform: scale(0.96); }
.ms-btn--add { background: linear-gradient(135deg, var(--success), var(--success-dark)); }
.ms-btn--sub { background: linear-gradient(135deg, var(--error), #E0524E); }
.ms-btn--set { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }

/* 孩子端积分页 */
.pts-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 16px 16px 120px;
}
.pts-title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 10px;
  padding-left: 4px;
}
.pts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pts-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
}
.pts-item__info {
  flex: 1 1 auto;
  min-width: 0;
}
.pts-item__cat {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text);
}
.pts-item__reason {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pts-item__time {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.pts-item__amt {
  flex: 0 0 auto;
  font-size: 1.15rem;
  font-weight: 900;
  font-family: var(--font-display);
}
.pts-item__amt--earn { color: var(--error); }
.pts-item__amt--spend { color: var(--success); }
/* ===== 总览（KIMI 风格）：孩子积分横向卡片 + 分段控制 + 科目统计面板 ===== */
.ov-kimi {
  padding: 4px 0 30px;
  max-width: 600px;
  margin: 0 auto;
}
.kids-section {
  margin-bottom: 14px;
  padding-top: 4px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  margin-bottom: 10px;
}
.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.kids-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 2px 10px 6px;
}
.kid-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 10px 8px;   /* 内容距左右边框留 8px 边距，往中间压缩 */
  min-width: 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
  cursor: pointer;
  flex-shrink: 0;
  border: 2px solid transparent;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.kid-card:active { transform: scale(0.96); }
.kid-card--on { border-color: var(--primary); }
/* 左列：名字左顶头；剩余积分在下一行以姓名中心为轴居中（绝对定位不撑宽列，列宽=名字宽） */
.kid-left {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding-bottom: 26px;
}
.kid-left .kid-name {
  text-align: left;
}
.kid-score-row {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  white-space: nowrap;
}
.kid-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.kid-score {
  font-size: 13px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.5px;
  font-family: var(--font-display);
}
.kid-score-unit {
  font-size: 9px;
  font-weight: 400;
  color: var(--primary);
  margin-left: 1px;
}
/* 右列：当日增加/当日消费 右顶头（4 位数加减分也不挤压左列名字） */
.kid-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.trend-badge {
  padding: 1px 4px;
  border-radius: 8px;
  font-size: 9px;
  font-weight: 700;
  white-space: nowrap;
}
.trend-badge.up { background: var(--error-light); color: var(--error); }
.trend-badge.down { background: var(--success-light); color: var(--success); }

.segment-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 2px 16px;
  margin-bottom: 14px;
}
.segment-btn {
  padding: 11px 0;
  border-radius: 16px;
  border: none;
  background: var(--card-bg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}
.segment-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 91, 0.3);
}

/* 总览科目 tab：一行四个标题（统一四字），点击切换下方统计内容 */
.ov-subject-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 2px 16px 14px;
}
.ov-subject-tabs > span {
  display: contents;
}
.ov-subject-tab {
  padding: 10px 0;
  border-radius: 14px;
  border: none;
  background: var(--card-bg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
}
/* 选中态：按科目用不同颜色区分（与科目图标同色系） */
.ov-subject-tab--active {
  color: #fff;
}
.ov-subject-tab--active[data-ov-tab="chinese"] {
  background: #00897b;
  box-shadow: 0 4px 16px rgba(0, 137, 123, 0.3);
}
.ov-subject-tab--active[data-ov-tab="english"] {
  background: #1565c0;
  box-shadow: 0 4px 16px rgba(21, 101, 192, 0.3);
}
.ov-subject-tab--active[data-ov-tab="recite"] {
  background: #ef6c00;
  box-shadow: 0 4px 16px rgba(239, 108, 0, 0.3);
}
.ov-subject-tab--active[data-ov-tab="math"] {
  background: #5c6bc0;
  box-shadow: 0 4px 16px rgba(92, 107, 192, 0.3);
}
/* 科目统计体：方案1 白卡（tab 切换只显示选中科目） */
.ov-body-main {
  background: var(--card-bg);
  border-radius: 20px;
  margin: 0 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  padding: 18px;
}
/* 科目主题色：统计卡内进度条/大数字/排行榜按钮跟随科目 tab 颜色（语文=青绿、英语=蓝、背诵=橙、数学=靛） */
#ov-chinese-body,
#ov-english-body, #ov-english-body-inner,
#ov-recite-body, #ov-recite-body-inner,
#ov-math-body, #ov-math-body-inner {
  --stat-theme: var(--primary);
  --stat-theme-dark: var(--primary-dark);
  --stat-track: #F2F2F7;
}
#ov-chinese-body { --stat-theme: #009688; --stat-theme-dark: #00796B; --stat-track: #E3EDEB; }
#ov-english-body, #ov-english-body-inner { --stat-theme: #1E88E5; --stat-theme-dark: #1565C0; --stat-track: #E3EDF7; }
#ov-recite-body, #ov-recite-body-inner { --stat-theme: #FB8C00; --stat-theme-dark: #EF6C00; --stat-track: #F7EEE0; }
#ov-math-body, #ov-math-body-inner { --stat-theme: #5C6BC0; --stat-theme-dark: #3F51B5; --stat-track: #E9EAF5; }
/* 头部：科目名 + 范围副标题 */
.ov-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  gap: 8px;
}
.ov-head-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
}
.ov-head-sub {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 核心：大号数字（掌握率/正确率） */
.ov-big {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}
.ov-big-num {
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  color: var(--stat-theme, var(--primary));
  font-family: var(--font-display);
  letter-spacing: -1px;
}
.ov-big-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}
/* 粗进度条 */
.ov-bar {
  height: 12px;
  background: var(--stat-track, #F2F2F7);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 12px;
}
.ov-bar-fill {
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(to right, var(--stat-theme, var(--primary)), var(--stat-theme-dark, var(--primary-dark)));
  transition: width 0.8s ease;
}
/* 已掌握行 */
.ov-mastered {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 6px;
}
.ov-mastered b {
  color: var(--stat-theme, var(--primary));
  font-size: 16px;
}
/* 模式提示（非智能模式） */
.ov-tip {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 4px 2px 8px;
  line-height: 1.5;
}
/* 一行小字：本周练习 + 正确率 */
.ov-line {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid #F5F5F5;
  font-size: 12px;
  color: var(--text-secondary);
}
.ov-line b {
  color: var(--text-primary);
  font-size: 14px;
}
.ov-line b.red { color: #FF3B30; }
.ov-line b.green { color: #00A86B; }

/* 每科总览汇总区（5 科一行一科，小字号紧凑，保证一屏可展示完） */
.ov-daily-summary {
  margin: 4px 16px 14px;
  padding: 12px 16px;
  background: var(--card-bg, #fff);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.ov-daily-summary__title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary, #2D2422);
}
.ov-summary-line {
  font-size: 12px;
  color: var(--text-secondary, #7A706C);
  line-height: 1.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ov-summary-line b {
  color: var(--text-primary, #2D2422);
  font-weight: 700;
}
/* 汇总区数字颜色：完成数=黑色（同阅读）、正确=柔和红（与加分一致）、错误=绿（与扣分一致）、阅读=黑 */
.ov-summary-line b.ov-s-done { color: #2D2422; }
.ov-summary-line b.ov-s-correct { color: #FF6B5B; }
.ov-summary-line b.ov-s-wrong { color: #00A86B; }
.ov-summary-line b.ov-s-reading { color: #2D2422; }

/* 每日任务完成情况（管理后台总览）：一排 3 个小卡片，进度填充条
   默认底色红（未完成），完成部分绿色填充，全部完成整卡变绿 */
.ov-dt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.ov-dt-card {
  position: relative;
  overflow: hidden;
  min-height: 62px;
  padding: 10px 6px;
  border-radius: 12px;
  background: #FFE9E6;
  border: 1px solid rgba(255, 107, 91, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.ov-dt-card__fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: rgba(0, 168, 107, 0.32);
  transition: width 0.35s ease;
}
.ov-dt-card--done {
  background: #E3F7EE;
  border-color: rgba(0, 168, 107, 0.45);
}
.ov-dt-card--done .ov-dt-card__fill {
  background: rgba(0, 168, 107, 0.85);
}
.ov-dt-card__body {
  position: relative;
  z-index: 1;
  line-height: 1.35;
}
.ov-dt-card__name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary, #2D2422);
}
.ov-dt-card__num {
  font-size: 13px;
  font-weight: 800;
  color: #B23A2E;
  margin-top: 2px;
}
.ov-dt-card--done .ov-dt-card__num {
  color: #046C46;
}
.ov-dt-foot {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary, #7A706C);
}
.ov-dt-foot b { color: var(--text-primary, #2D2422); }

/* ============ 骨架屏（数据加载占位，避免空白与突变） ============ */
.sk {
  position: relative;
  overflow: hidden;
  background: #ECEAE7;
  border-radius: 10px;
}
.sk::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  animation: sk-shimmer 1.3s infinite;
}
@keyframes sk-shimmer {
  100% { transform: translateX(100%); }
}
.sk-card {
  background: #fff;
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.sk-line { height: 13px; margin-bottom: 10px; }
.sk-line.short { width: 42%; }
.sk-line.mid { width: 68%; }
.sk-line:last-child { margin-bottom: 0; }
.sk-kid-card {
  width: 130px; padding: 14px 12px; margin-right: 10px;
  display: inline-block;
  vertical-align: top;
  background: #fff; border-radius: 16px;
}
.sk-row {
  height: 14px; margin-bottom: 10px; border-radius: 6px;
}
.sk-row:last-child { margin-bottom: 0; }

.subject-panel {
  background: var(--card-bg);
  border-radius: 24px;
  margin: 0 16px 14px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}
.panel-header {
  padding: 18px 18px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.panel-icon.chinese { background: var(--primary-light); }
.panel-icon.english { background: #E6F7FF; }
.panel-icon.recite { background: #FFF5E6; }
.panel-icon.math { background: #F3E8FF; }
.panel-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.panel-header-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.panel-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}
/* 排行榜按钮：正确=红色实心、错误=绿色描边（与卡片余额/正确数语义一致）；
   数学的分类/题型按钮无正确错误语义，保持科目主题色 */
.panel-btn {
  padding: 12px;
  border-radius: 14px;
  border: none;
  background: var(--stat-theme, var(--primary));
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.2);
  transition: all 0.15s ease;
}
.panel-btn:active { transform: scale(0.97); }
.panel-btn--ghost {
  background: transparent;
  color: var(--stat-theme, var(--primary));
  border: 1.5px solid var(--stat-theme, var(--primary));
  box-shadow: none;
}
/* 正确排行榜=柔和红实心（原鲜红 #FF3B30 过刺眼，改项目主色系）、错误排行榜=绿色实心（与扣分绿一致） */
.panel-btn[data-rank="correct"] {
  background: #FF6B5B;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.25);
}
.panel-btn--ghost[data-rank="wrong"] {
  background: #00A86B;
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 168, 107, 0.25);
}

.ov-score-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.ov-user-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ov-user-card--on {
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}
.ov-user-card__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}
.ov-user-card__name {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-primary);
}
.ov-user-card__score {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.ov-user-card__score-num {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--primary-dark);
  font-family: var(--font-display);
}
.ov-user-card__score-unit {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
}
.ov-user-card__row {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  font-size: 0.78rem;
}
.ov-user-card__item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.ov-user-card__tag {
  color: var(--text-muted);
  font-weight: 700;
}
.ov-user-card__num {
  font-weight: 900;
}
.ov-user-card__num--earn { color: var(--error); }
.ov-user-card__num--spend { color: var(--success); }
.pts-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.pts-more-wrap {
  text-align: center;
  padding: 14px 0;
}
.pts-more {
  padding: 10px 28px;
  border-radius: var(--radius-full);
  background: var(--bg-warm);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--dur-base) var(--ease-out-quint);
}
.pts-more:active { transform: scale(0.96); }

/* 孩子端兑换页 */
.rd-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 16px 16px 120px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rd-balance {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  color: #fff;
  box-shadow: 0 6px 22px rgba(255, 107, 91, 0.28);
}
.rd-balance__label {
  font-size: 0.9rem;
  font-weight: 700;
  opacity: 0.92;
  letter-spacing: 0.05em;
}
.rd-balance__num {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  font-family: var(--font-display);
}
.rd-balance__unit { font-size: 0.9rem; font-weight: 700; opacity: 0.92; }
.rd-devices {
  display: flex;
  gap: 10px;
}
.rd-dev {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 6px 14px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-base) var(--ease-out-quint);
}
.rd-dev:active { transform: scale(0.96); }
.rd-dev__icon { font-size: 1.6rem; }
.rd-dev__label { font-weight: 800; font-size: 0.98rem; color: var(--text); }
.rd-dev__ratio {
  font-size: 0.74rem;
  color: var(--text-secondary);
  background: var(--bg-warm);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  white-space: nowrap;
}
.rd-dev--disabled {
  opacity: 0.45;
  pointer-events: auto;
}
.rd-dev--selected {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 4px 16px rgba(255, 122, 89, 0.28);
}
.rd-dev--selected .rd-dev__label { color: var(--primary-dark); }
.rd-dev--selected .rd-dev__ratio { background: var(--primary); color: #fff; }
.rd-slider-block {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 14px 14px 10px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.rd-slider-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}
.rd-slider-label { font-weight: 800; font-size: 0.95rem; color: var(--text); }
.rd-min-val { font-weight: 800; font-size: 0.95rem; color: var(--primary-dark); }
.rd-summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.rd-sum-row {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  padding: 7px 8px;
}
.rd-sum-row b {
  color: var(--primary-dark);
  font-weight: 800;
}
.rd-sum-row--insufficient { color: var(--error); }
.rd-sum-row--insufficient b { color: var(--error); }
.rd-confirm {
  width: 100%;
  margin-top: 12px;
  padding: 13px 0;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quint);
  box-shadow: 0 6px 18px rgba(255, 122, 89, 0.3);
}
.rd-confirm:disabled {
  background: var(--border);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.75;
}
.rd-confirm:not(:disabled):active { transform: scale(0.97); }
.rd-none {
  text-align: center;
  padding: 26px 14px;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text-muted);
  font-size: 0.92rem;
}
.rd-goods {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rd-goods__title {
  font-size: 1.05rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
}
/* 时长兑换区块标题（与用品兑换标题同视觉） */
.rd-sec-title {
  font-size: 1.05rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
}
/* 用品兑换折叠标题：可点击，箭头靠右 */
.rd-goods__toggle {
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}
.rd-goods__toggle:active { opacity: 0.7; }
.rd-goods__arrow {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: transform var(--dur-base) var(--ease-out-quint);
}
.rd-goods__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rd-goods-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-warm);
  border: 1.5px solid var(--border);
}
.rd-goods-card__main { min-width: 0; flex: 1 1 auto; }
.rd-goods-card__name {
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--text);
  overflow-wrap: break-word;
}
.rd-goods-card__desc {
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow-wrap: break-word;
}
.rd-goods-card__side {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.rd-goods-card__cost {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary-dark);
  white-space: nowrap;
}
.rd-goods-btn {
  border: none;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  padding: 7px 20px;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out-quint), opacity var(--dur-base);
}
.rd-goods-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.rd-goods-btn:not(:disabled):active { transform: scale(0.94); }
.rd-hist {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rd-hist__title {
  font-size: 1.05rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
}
.rd-hist-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 4px;
  border-bottom: 1px dashed var(--border);
  font-size: 0.88rem;
}
.rd-hist-row:last-child { border-bottom: none; }
.rd-hist-row__name {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rd-hist-row__cost {
  flex: 0 0 auto;
  font-weight: 900;
  color: var(--error);
  white-space: nowrap;
}
.rd-hist-row__time {
  flex: 0 0 auto;
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.bf-daily-val {
  flex: 0 0 auto;
  min-width: 74px;
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  background: var(--card);
  border: 2px solid var(--border);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-dark);
}
.bf-item-enable {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  background: var(--bg-warm);
  border-radius: var(--radius-full);
  padding: 5px 10px;
}
.bf-item-enable input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* BUFF 浮窗移动端：压缩左右边距，让日期/滑块尽量占满宽度 */
@media (max-width: 599px) {
  .bf-modal {
    padding: 32px 14px 24px;
  }
  .bf-form {
    padding: 14px 10px;
  }
  .bf-form__row {
    gap: 6px;
  }
  .bf-form__label {
    font-size: 0.8rem;
  }
  .bf-form__sep {
    font-size: 0.76rem;
  }
  .bf-input {
    padding: 8px 5px;
    font-size: 0.85rem;
  }
}
.bf-add {
  width: 100%;
  padding: 11px;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--primary-medium);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.92rem;
  transition: all var(--dur-fast) var(--ease-out-quint);
}
.bf-add:active { transform: scale(0.98); }
.bf-state {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--card);
  border-radius: var(--radius-full);
  padding: 3px 8px;
}
.bf-state--on {
  color: var(--success);
  background: var(--success-light);
}

/* ================================================================
   兑换门槛 — 任务小卡片（手机均分一行，平板/电脑放宽）
   ================================================================ */
.rd-task-card {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  padding: 10px 2px;
}
.rd-task-card__label {
  font-size: 0.68rem;
  color: var(--text-secondary);
  font-weight: 700;
  white-space: nowrap;
}
.rd-task-card__val {
  font-size: 0.82rem;
  font-weight: 900;
  margin-top: 2px;
  white-space: nowrap;
}

@media (min-width: 600px) {
  .rd-task-card {
    flex: 0 0 auto;
    min-width: 96px;
    padding: 12px 6px;
  }
  .rd-task-card__label { font-size: 0.78rem; }
  .rd-task-card__val { font-size: 1.05rem; }
}

/* ================================================================
   明细卡片（KIMI 优化版）：日期分组 + 左侧色条 + 类型图标 + 大分数
   + 胶囊标签 + 积分变动摘要
   ================================================================ */
.led-list { padding: 4px 0 26px; }
/* 关闭列表内浏览器滚动锚定：展开/收起导致的布局变化不再自动调整滚动位置，
   避免把展开组的标题顶进吸顶区、卡片被吸顶标题盖住（对齐逻辑由 JS 显式控制） */
.led-list { overflow-anchor: none; }

/* 日期分组标题 */
.led-section {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  margin: 16px 2px 8px;
  letter-spacing: 0.5px;
}
.led-section::before {
  content: '';
  width: 3px;
  height: 12px;
  border-radius: 2px;
  background: var(--primary-medium);
}
/* 日期分组可折叠：标题可点击、右侧条数徽标、箭头提示 */
.led-section--fold {
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  padding: 6px 8px;
  margin: 6px 2px 4px;
  border-radius: var(--radius-md);
  background: var(--card);
  transition: background 0.15s;
  /* 吸顶：展开的日期标题滚动到顶部后固定在 header(约54px) 下方，方便随时点收起 */
  position: sticky;
  top: 54px;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.06);
}
.led-section--fold:active { background: var(--border); }
.led-section--fold::before { background: var(--primary); }
.led-section-arrow {
  font-size: 0.8rem;
  color: var(--primary);
  width: 14px;
  text-align: center;
  flex: 0 0 auto;
}
.led-section-count {
  margin-left: auto;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--border);
  border-radius: 999px;
  padding: 2px 8px;
}
.led-day-group {
  overflow: hidden;
  transition: opacity 0.2s;
}

/* 卡片容器 */
.led-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 12px 14px 12px 18px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s ease;
}
.led-card:active { transform: scale(0.985); }

/* 左侧彩色边条（按大类着色） */
.led-bar {
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 4px;
  border-radius: 0 3px 3px 0;
}
.led-bar-reward   { background: linear-gradient(to bottom, #ff4081, #f50057); }
.led-bar-recite   { background: linear-gradient(to bottom, #ffa726, #ef6c00); }
.led-bar-english  { background: linear-gradient(to bottom, #42a5f5, #1565c0); }
.led-bar-chinese  { background: linear-gradient(to bottom, #26a69a, #00695c); }
.led-bar-exchange { background: linear-gradient(to bottom, #ab47bc, #7b1fa2); }
.led-bar-reading  { background: linear-gradient(to bottom, #66bb6a, #2e7d32); }
.led-bar-math     { background: linear-gradient(to bottom, #6366f1, #3730a3); }
.led-bar-undo     { background: linear-gradient(to bottom, #bdbdbd, #757575); }
.led-bar-default  { background: linear-gradient(to bottom, #f0e8e2, #c9bdb5); }

/* 顶部：类型行 + 标题 | 右侧大分数 */
.led-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}
.led-left { flex: 1; min-width: 0; }
/* 类型行：整体做成彩色标签（颜色跟随左侧色条，如英语=蓝、语文=青、数学=靛） */
.led-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 9px;
  width: fit-content;
  white-space: nowrap;
}
.led-type--math     { background: #eef2ff; color: #3730a3; }
.led-type--english  { background: #e3f2fd; color: #1565c0; }
.led-type--chinese  { background: #e0f2f1; color: #00695c; }
.led-type--recite   { background: #fff3e0; color: #ef6c00; }
.led-type--reward   { background: #fce4ec; color: #c2185b; }
.led-type--exchange { background: #f3e5f5; color: #7b1fa2; }
.led-type--reading  { background: #e8f5e9; color: #2e7d32; }
.led-type--undo     { background: #f5f5f5; color: #616161; }
.led-type--default  { background: var(--primary-light); color: var(--primary-dark); }
.led-ic {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.66rem;
  font-weight: 800;
}
.led-ic-reward   { background: #fce4ec; color: #c2185b; }
.led-ic-recite   { background: #fff3e0; color: #ef6c00; }
.led-ic-english  { background: #e3f2fd; color: #1565c0; }
.led-ic-chinese  { background: #e0f2f1; color: #00695c; }
.led-ic-exchange { background: #f3e5f5; color: #7b1fa2; }
.led-ic-reading  { background: #e8f5e9; color: #2e7d32; }
.led-ic-math     { background: #eef2ff; color: #3730a3; }
.led-ic-undo     { background: #f5f5f5; color: #616161; }
.led-ic-default  { background: var(--primary-light); color: var(--primary-dark); }

.led-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  /* 与上方类型标签的文字对齐（标签有 10px 内边距，标题行补相同缩进，避免突出） */
  padding-left: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
}

/* 右侧分数区 */
.led-right {
  text-align: right;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding-top: 2px;
}
.led-score { font-size: 1.35rem; font-weight: 900; line-height: 1; white-space: nowrap; }
.led-score-pos  { color: #ff3b30; } /* 加分显示红色 */
.led-score-neg  { color: #00a86b; } /* 扣分显示绿色 */
.led-score-zero { color: var(--text-muted); }
.led-score-label { font-size: 0.62rem; color: var(--text-muted); font-weight: 600; }

/* 渐变分割线 */
.led-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 2px 0 9px;
}

/* 背诵卡：范围文字落在分隔线上（线紧贴范围文字下方），篇名单独一行在线下方 */
.led-divider--sub {
  margin: 2px 0 5px;
}
.led-subtitle {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  padding-left: 10px;
  word-break: break-all;
  margin-bottom: 10px;
}

/* 底部：标签 + 时间 */
.led-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.led-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.led-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.66rem;
  font-weight: 700;
  white-space: nowrap;
}
.led-tag-ok     { background: #e8f5e9; color: #2e7d32; }
.led-tag-red    { background: #ffebee; color: #c62828; }
.led-tag-muted  { background: #f5f5f5; color: #757575; }
.led-tag-blue   { background: #e3f2fd; color: #1565c0; }
.led-tag-warm   { background: #fff3e0; color: #e65100; }
.led-tag-purple { background: #f3e5f5; color: #7b1fa2; }
.led-tag-green  { background: #e8f5e9; color: #2e7d32; }
.led-tag-undo   { background: #eeeeee; color: #616161; text-decoration: line-through; }
.led-time {
  font-size: 0.66rem;
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}

/* 操作按钮 */
.led-actions {
  display: flex;
  gap: 6px;
  margin-top: 9px;
  flex-wrap: wrap;
}
.led-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  background: #e3f2fd;
  color: #1565c0;
  border: none;
  font-family: inherit;
}
.led-action-info {
  background: var(--info-light);
  color: var(--info);
}
.led-action-primary {
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* 详情摘要（积分变动等次要信息） */
.led-detail {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 9px;
  line-height: 1.5;
  background: var(--bg-warm);
  padding: 6px 12px;
  border-radius: 10px;
  word-break: break-all;
}

/* 待处理红点 */
.led-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff3b30;
  box-shadow: 0 0 0 2px var(--card);
}


/* ============ 新手引导（首次登录 Onboarding） ============ */
/* 透明拦截层：盖住整个页面，拦截一切下层点击（演示模式任何页面元素都不可点）
   注意：用 top/left/right/bottom 而非 inset——inset 需 Chrome87+/Safari14.1+，
   旧版华为/安卓自带浏览器不支持会致拦截层尺寸为 0（点击穿透） */
.onboard-block {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2147483001;
  background: transparent;
  pointer-events: auto;
}
/* 视觉遮罩：仅变暗展示（不拦截点击，拦截由 onboard-block 承担）；目标区域由四块拼出亮区 */
.onboard-mask {
  position: fixed; z-index: 2147483000;
  background: rgba(20, 15, 12, 0.55);
  pointer-events: none;
}
.onboard-hole {
  position: absolute; z-index: 2147483001;
  border-radius: 14px;
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px rgba(255, 107, 91, 0.9), 0 0 24px 6px rgba(255, 107, 91, 0.55);
  animation: onboard-pulse 1.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes onboard-pulse {
  0%, 100% { box-shadow: 0 0 0 4px #fff, 0 0 0 6px rgba(255, 107, 91, 0.9), 0 0 18px 4px rgba(255, 107, 91, 0.5); }
  50%      { box-shadow: 0 0 0 4px #fff, 0 0 0 6px rgba(255, 107, 91, 0.9), 0 0 30px 10px rgba(255, 107, 91, 0.75); }
}
.onboard-bubble {
  position: fixed; z-index: 2147483002;
  background: #fff; border-radius: 16px; padding: 16px 18px;
  max-width: 300px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.onboard-bubble::before {
  content: ''; position: absolute; width: 14px; height: 14px;
  background: #fff; transform: rotate(45deg);
}
.onboard-bubble--top::before    { bottom: -6px; left: 50%; margin-left: -7px; }
.onboard-bubble--bottom::before { top: -6px; left: 50%; margin-left: -7px; }
.onboard-bubble__title {
  font-size: 1rem; font-weight: 800; color: var(--text-primary, #2D2422);
  margin-bottom: 6px; font-family: var(--font-title, inherit);
}
.onboard-bubble__text {
  font-size: 0.85rem; color: var(--text-secondary, #7A706C); line-height: 1.7;
  margin-bottom: 10px;
}
.onboard-bubble__arrow {
  position: fixed; z-index: 2147483003;
  width: 0; height: 0;
  border: 9px solid transparent;
  pointer-events: none;
}
.onboard-bubble__arrow--up    { border-top-color: #FF6B5B; border-bottom-width: 0; }
.onboard-bubble__arrow--down  { border-bottom-color: #FF6B5B; border-top-width: 0; }
.onboard-bubble__arrow--left  { border-left-color: #FF6B5B; border-right-width: 0; }
.onboard-bubble__arrow--right { border-right-color: #FF6B5B; border-left-width: 0; }
.onboard-bubble__btns {
  display: flex; align-items: center; gap: 8px; margin-top: 4px;
}
.onboard-bubble__skip {
  border: none; background: none; color: var(--text-muted, #B5ADA8);
  font-size: 0.78rem; cursor: pointer; padding: 6px 4px;
}
.onboard-bubble__prev {
  border: 1px solid var(--border, #eee); background: #fff; color: var(--text-secondary, #777);
  border-radius: 999px; padding: 7px 18px; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.onboard-bubble__next {
  border: none; background: linear-gradient(135deg, #FF6B5B, #E85A4A); color: #fff;
  border-radius: 999px; padding: 8px 20px; font-size: 0.85rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.35); margin-left: auto;
}
.onboard-steps-dot {
  display: inline-flex; align-items: center; gap: 5px; margin-right: 10px;
}
.onboard-steps-dot i {
  width: 6px; height: 6px; border-radius: 50%; background: #ddd; display: inline-block;
}
.onboard-steps-dot i.on { background: #FF6B5B; }
/* ============ 新手引导 end ============ */

/* 引导欢迎卡（居中无目标步骤） */
.onboard-center {
  position: fixed; z-index: 2147483002;
  left: 50%; top: 26%;
  transform: translateX(-50%);
  width: min(320px, calc(100vw - 40px));
  background: #fff; border-radius: 20px; padding: 26px 22px 20px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
  text-align: center;
  pointer-events: auto;
}
.onboard-center__logo { font-size: 2.6rem; margin-bottom: 8px; }
.onboard-center .onboard-bubble__text { text-align: left; }
.onboard-center .onboard-bubble__btns { justify-content: flex-end; }