/* L.Studio · 个人工作台
 * UI 风格（需求 8.3）：黑白灰主色 + 少量莫兰迪强调色，高对比、轻动画、加载优先
 * 布局（需求 8.2）：PC 左侧固定边栏 + 右侧内容区；手机单列 + 抽屉，触控目标 ≥44px
 */

:root {
  --bg: #f5f5f4;
  --panel: #ffffff;
  --ink: #1c1c1e;
  --ink-2: #6b6b70;
  --line: #e4e4e2;
  --accent-blue: #7d9bb0;   /* 莫兰迪蓝 */
  --accent-green: #8aa88a;  /* 莫兰迪绿 */
  --accent-purple: #a293b8; /* 莫兰迪紫 */
  --danger: #b8695f;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  /* 顶栏是 sticky 且 z-index 高于内容，滚动定位（scrollIntoView / 锚点）默认贴顶会被它盖住，
     导致卡片标题行的按钮点不中。预留顶栏高度做偏移。 */
  scroll-padding-top: 72px;
}
/* 顶栏高度变化时同步（手机端更矮） */
@media (max-width: 720px) { html { scroll-padding-top: 64px; } }
body {
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  display: flex;
  min-height: 100vh;
}
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ---------- 侧边栏 ---------- */
.nav {
  width: 216px; flex: none;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px 12px;
  /* PWA 全屏（standalone）时避开系统状态栏 / 底部指示条；浏览器里 env() 为 0，无影响 */
  padding-top: calc(20px + constant(safe-area-inset-top));
  padding-top: calc(20px + env(safe-area-inset-top));
  padding-bottom: calc(20px + constant(safe-area-inset-bottom));
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 2px;
  position: sticky; top: 0; height: 100vh;
  /* 侧边栏内容超出视口时，自身成为可滚动容器，触摸手势不再穿透到右侧页面 */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.brand { font-size: 20px; font-weight: 700; padding: 0 12px 18px; letter-spacing: 0.5px; }
.brand span { display: block; font-size: 11px; font-weight: 400; color: var(--ink-2); letter-spacing: 2px; }
.nav a {
  padding: 10px 12px; border-radius: 10px; color: var(--ink-2); font-size: 14px;
  transition: background 0.15s;
  display: flex; align-items: center; gap: 10px;
}
.nav a:hover { background: var(--bg); color: var(--ink); }
.nav a.on { background: var(--ink); color: #fff; }
.nav a.sub { padding-left: 26px; }

/* 可折叠分组（需求 8.1）：二级菜单默认折叠，侧边栏只展示一级菜单 */
.nav-parent { position: relative; display: flex; align-items: center; border-radius: 10px; cursor: pointer; }
.nav-parent:hover { background: var(--bg); }
/* 整行已是展开热区：一级名称悬停不再单独描边，避免与父行背景重叠 */}
.nav-parent > a:hover { background: transparent; }
.nav-caret:hover { background: transparent; color: var(--ink); }
.nav-parent > a { flex: 1; min-width: 0; padding-right: 36px; }
.nav-parent.has-on > a { color: var(--ink); font-weight: 600; }
.nav-caret {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 26px; height: 26px; border: 0; border-radius: 8px;
  background: transparent; color: var(--ink-2);
  display: flex; align-items: center; justify-content: center;
}
.nav-caret:hover { background: var(--bg); color: var(--ink); }
.nav-caret svg { transition: transform 0.18s ease; }
.nav-parent.open .nav-caret { color: var(--ink); }
.nav-parent.open .nav-caret svg { transform: rotate(90deg); }
.nav-sub2 { display: none; flex-direction: column; gap: 2px; }
.nav-sub2.open { display: flex; }
.nav-sub3 { display: none; flex-direction: column; gap: 2px; padding-left: 18px; border-left: 1px dashed var(--line); margin-left: 12px; }
.nav-sub3.open { display: flex; }
.nav a.sub3 { padding-left: 14px; font-size: 13px; }
.nav-group {
  font-size: 11px; color: var(--ink-2); letter-spacing: 2px;
  padding: 16px 12px 4px;
}
.nav-foot { margin-top: auto; padding: 12px; font-size: 11px; color: var(--ink-2); }

/* ---------- 主区 ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  /* 顶栏避开 iOS 状态栏（PWA 全屏 + black-translucent 时内容延伸到状态栏下） */
  padding-top: calc(12px + constant(safe-area-inset-top));
  padding-top: calc(12px + env(safe-area-inset-top));
  background: rgba(245, 245, 244, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar h1 { font-size: 17px; font-weight: 700; }
.spacer { flex: 1; }
.view { padding: 18px 20px 60px; max-width: 1060px; width: 100%; margin: 0 auto; }

#menu-btn { display: none; }
#mask { display: none; }

.status { font-size: 12px; padding: 3px 10px; border-radius: 20px; cursor: pointer; }
.status.ok { background: #e7efe7; color: #3d6b3d; }
.status.err { background: #f3e4e2; color: #8a4a42; }
.status.muted { background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }
.sync-err { background: #f3e4e2; color: #8a4a42; border: 1px solid #e7c9c4; border-radius: 8px; padding: 8px 10px; font-size: 13px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap;
}
.card-head h2 { font-size: 15px; font-weight: 700; }
/* 数据备份与迁移卡片：醒目提示，避免误以为数据丢失 */
.warn-card { border-color: var(--warn, #f0c674); background: color-mix(in srgb, var(--warn, #f0c674) 10%, var(--panel)); }
.mig-steps { margin: 6px 0 12px; padding-left: 20px; }
.mig-steps li { margin: 4px 0; font-size: 13px; line-height: 1.5; }
.unit-toggle { margin-left: auto; display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; flex: none; }
.unit-toggle .ut { border: 0; background: transparent; color: var(--ink-2); font: inherit; font-size: 12px; padding: 5px 13px; cursor: pointer; line-height: 1; }
.unit-toggle .ut + .ut { border-left: 1px solid var(--line); }
.unit-toggle .ut.on { background: var(--ink); color: var(--panel); }
.wk-item i { font-style: normal; font-size: 10px; color: var(--ink-2); margin-left: 3px; }
.muted { color: var(--ink-2); }
.small { font-size: 12px; }

.empty { color: var(--ink-2); font-size: 13px; padding: 18px 0; text-align: center; }

/* ---------- 图标（js/icons.js 注入的 SVG symbol） ---------- */
.ico { width: 18px; height: 18px; flex: none; display: inline-block; vertical-align: -3px; }
.ico.sm { width: 15px; height: 15px; }
.ico.xs { width: 13px; height: 13px; }
.ico.lg { width: 22px; height: 22px; }
.ico.xl { width: 26px; height: 26px; }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 10px; padding: 7px 14px; font-size: 13px;
  transition: transform 0.08s, opacity 0.15s;
  min-height: 34px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary .ico use { stroke: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.tiny { padding: 4px 10px; font-size: 12px; min-height: 28px; }
/* 全局：禁用态按钮统一置灰且不可点（表达训练/通识卡等的「上一张/下一张」到边界时） */
.btn:disabled, .btn[disabled] { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn:disabled:hover, .btn[disabled]:hover { transform: none; }
.btn, .cal-title { white-space: nowrap; }
.icon-btn {
  border: none; background: none; color: var(--ink-2); font-size: 16px;
  width: 32px; height: 32px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: var(--bg); color: var(--ink); }
#back-btn[hidden] { display: none; }

/* ---------- 日期 / 天气（阳历 + 星期 + 农历同一行，不展示时间） ---------- */
.clock-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.clock-line {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; min-width: 0;
}
.clock-date {
  font-size: 34px; font-weight: 700; letter-spacing: 0.5px; line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.clock-week { font-size: 16px; font-weight: 600; color: var(--ink); }
.clock-lunar, .clock-fest { font-size: 13px; color: var(--ink-2); position: relative; white-space: nowrap; }
.clock-lunar::before, .clock-fest::before {
  content: ''; position: absolute; left: -7px; top: 50%; width: 3px; height: 3px;
  border-radius: 50%; background: var(--line); transform: translateY(-50%);
}
.clock-fest { color: var(--danger); }
.weather {
  margin-left: auto; border: 1px solid var(--line); border-radius: 20px;
  background: var(--bg); padding: 7px 16px; font-size: 13px; min-height: 36px;
  display: inline-flex; align-items: center; gap: 8px;
}
.weather b { font-size: 15px; font-variant-numeric: tabular-nums; }
.weather.fail { color: var(--danger); border-color: var(--danger); }

/* ---------- 日历 ---------- */
.cal-nav { display: flex; align-items: center; gap: 6px; }
.cal-nav button {
  border: none; background: none; font-size: 16px; width: 30px; height: 30px; border-radius: 8px;
  color: var(--ink-2); display: inline-flex; align-items: center; justify-content: center;
}
.cal-nav button:hover { background: var(--bg); color: var(--ink); }
.cal-title {
  font-size: 13px; font-weight: 600; min-width: 92px; text-align: center;
  border: 1px solid transparent; background: none; color: var(--ink);
  border-radius: 8px; padding: 5px 8px; height: 30px;
}
.cal-title:hover { border-color: var(--line); background: var(--bg); }
.cal-picker {
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  padding: 12px; margin-bottom: 10px; display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow);
}
.cal-picker[hidden] { display: none; }
.pk-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pk-label { font-size: 12px; color: var(--ink-2); }
.pk-hint { font-size: 11px; color: var(--ink-2); flex: 1; min-width: 140px; }
.pk-row input[type="number"] {
  width: 92px; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px;
  font-size: 15px; font-variant-numeric: tabular-nums; text-align: center;
  background: var(--panel); color: var(--ink);
}
.pk-step {
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px;
  width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
}
.pk-step:hover { border-color: var(--ink-2); }
.pk-months { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.pk-month {
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px;
  padding: 7px 0; font-size: 12px; color: var(--ink-2);
}
.pk-month:hover { border-color: var(--ink-2); color: var(--ink); }
.pk-month.on { background: var(--ink); border-color: var(--ink); color: #fff; }

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-weeks { margin-bottom: 4px; }
.cal-weeks span { text-align: center; font-size: 11px; color: var(--ink-2); padding: 4px 0; }
.cal-cell {
  position: relative; border: none; background: none; border-radius: 10px;
  padding: 5px 2px 5px; min-height: 58px;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 0;
  overflow: hidden;
}
.cal-cell b { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.3; }
.cal-cell i {
  font-style: normal; font-size: 9.5px; color: var(--ink-2); white-space: nowrap;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; line-height: 1.4;
}
.cal-cell:hover { background: var(--bg); }
.cal-cell.blank { pointer-events: none; }
.cal-cell.weekend b { color: var(--accent-purple); }
.cal-cell.off { background: #f7eeed; }
.cal-cell.off i.sub-off { color: var(--danger); font-weight: 600; }
.cal-cell.off b { color: var(--danger); }
.cal-cell.swap-work { background: #f0f2f0; }
.cal-cell.swap-work i.sub-work { color: #3d6b3d; font-weight: 600; }
.cal-cell.today b { background: var(--ink); color: #fff; border-radius: 8px; padding: 0 7px; }
.cal-cell.selected { outline: 2px solid var(--accent-blue); outline-offset: -2px; }
.cal-cell .dots { display: flex; gap: 3px; margin-top: 2px; height: 5px; }
.cal-cell .dot { width: 5px; height: 5px; border-radius: 50%; display: block; }
.cal-cell .dot.task { background: var(--accent-blue); }
.cal-cell .dot.event { background: var(--accent-purple); }

.day-panel-head { display: flex; align-items: center; gap: 8px; margin: 14px 0 8px; flex-wrap: wrap; }
.day-panel-head b { font-size: 14px; }
.day-items { display: flex; flex-direction: column; gap: 6px; }
.day-item {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; font-size: 14px;
}
.day-item.big { padding: 12px 14px; }
.day-item.done { opacity: 0.45; text-decoration: line-through; }
.day-item.event { background: #f8f7fb; }
.day-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--ink); }
.grow { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.day-item .icon-btn { width: 28px; height: 28px; font-size: 14px; }
.item-desc { display: block; font-size: 12px; color: var(--ink-2); text-decoration: none; margin-top: 1px; }
.day-item i.muted { font-style: normal; }
.tag {
  display: inline-block; font-size: 10px; padding: 1px 6px; margin-left: 4px;
  border-radius: 6px; background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
}
.ev-icon { font-size: 15px; }

/* ---------- 事件弹窗：内嵌迷你日历（公历 / 农历切换） ---------- */
.event-dg { max-width: min(94vw, 420px); }
.ev-cal { border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--bg); }
.ev-cal-head { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.ev-cal-head b { font-size: 13px; white-space: nowrap; }
.ev-nav {
  border: none; background: none; color: var(--ink-2); width: 28px; height: 28px;
  border-radius: 8px; display: inline-flex; align-items: center; justify-content: center;
}
.ev-nav:hover { background: var(--panel); color: var(--ink); }
.ev-mode-seg { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.ev-mode-seg button { border: none; background: var(--panel); padding: 4px 10px; font-size: 12px; color: var(--ink-2); }
.ev-mode-seg button.on { background: var(--ink); color: #fff; }
.ev-week { display: grid; grid-template-columns: repeat(7, 1fr); margin-bottom: 2px; }
.ev-week span { text-align: center; font-size: 10px; color: var(--ink-2); padding: 2px 0; }
.ev-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.ev-cell {
  border: none; background: none; border-radius: 8px; padding: 3px 0 2px; min-height: 36px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--ink);
}
.ev-cell b { font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.25; }
.ev-cell i { font-style: normal; font-size: 9px; color: var(--ink-2); line-height: 1.3; white-space: nowrap; }
.ev-cell:hover { background: var(--panel); }
.ev-cell.blank { pointer-events: none; min-height: 0; }
.ev-cell.on { outline: 2px solid var(--accent-blue); outline-offset: -2px; background: var(--panel); }
/* 连续区间：起止端高亮，中间段浅色底 */
.ev-cell.in-range { background: color-mix(in srgb, var(--accent-blue) 18%, transparent); border-radius: 0; }
/* 过去日期不可选 */
.ev-cell.disabled, .ev-cell:disabled { color: var(--ink-2); opacity: .35; cursor: not-allowed; }
.ev-cell.disabled:hover, .ev-cell:disabled:hover { background: none; }
.task-dg #tk-hint { margin: 8px 0 0; line-height: 1.4; }
.ev-row2 { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.ev-row2 .field:first-child { min-width: 120px; }

/* ---------- 数据看板 ---------- */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.dash-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px;
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  transition: border-color 0.15s;
  min-width: 0;   /* 网格子项默认 min-width:auto，内容偏宽会把整页顶出横向滚动条 */
}
.dash-card:hover { border-color: var(--ink-2); }
.dash-meta { display: flex; flex-direction: column; gap: 8px; font-size: 13px; min-width: 0; }
.ring-text { font-size: 13px; font-weight: 700; fill: var(--ink); }
.usage-row { display: flex; align-items: center; gap: 8px; font-size: 12px; padding: 3px 0; min-width: 0; }
.usage-row > span:first-child { width: 72px; flex: none; }
.usage-bar { flex: 1; height: 6px; background: var(--bg); border-radius: 4px; overflow: hidden; }
.usage-bar i { display: block; height: 100%; background: var(--accent-blue); border-radius: 4px; }
.dash-card.usage { flex-direction: column; align-items: stretch; cursor: default; }

/* ---------- 本周待办：横向日期条 + 当日任务卡 ---------- */
.week-strip { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; margin-bottom: 12px; }
.week-day {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 4px; border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--panel); min-height: 64px; transition: border-color 0.15s, background 0.15s;
}
.week-day:hover { border-color: var(--ink-2); }
.week-day .wd { font-size: 12px; color: var(--ink-2); }
.week-day b { font-size: 16px; font-weight: 700; }
.week-day .wd-sub {
  font-size: 10px; color: var(--ink-2); font-style: normal;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.week-day.rest .wd { color: var(--accent-purple); }
.week-day.today b { color: var(--accent-blue); }
.week-day.selected { border-color: var(--ink); background: var(--bg); box-shadow: var(--shadow); }
.week-day.selected .wd { color: var(--ink); }

.week-detail { border-top: 1px solid var(--line); padding-top: 12px; }
.week-detail-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.week-detail-head b { font-size: 15px; }
.week-cards { display: flex; flex-wrap: wrap; gap: 8px; }
.week-task {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px;
  background: var(--bg); min-width: 180px; flex: 0 1 auto;
}
.week-task.grow { flex: 1 1 220px; }
.week-task .grow { font-size: 14px; }
.week-task.done { opacity: 0.5; }
.week-task.done .grow { text-decoration: line-through; }
.week-task.carried { border-left: 3px solid var(--danger); }
@media (max-width: 640px) {
  .week-strip { gap: 5px; }
  .week-day { padding: 8px 2px; min-height: 58px; border-radius: 10px; }
  .week-day b { font-size: 14px; }
  .week-day .wd-sub { font-size: 9px; }
  .week-task { min-width: 100%; }
}
.chip {
  font-size: 12px; border: 1px solid var(--line); border-radius: 14px; padding: 3px 10px;
  background: var(--bg);
}
.chip.done { opacity: 0.45; text-decoration: line-through; }

/* ---------- 通识卡 ---------- */
.gloss-card {
  border: 1px solid var(--line); border-radius: 14px; padding: 22px;
  background: linear-gradient(160deg, #fdfdfd, #f6f5f8);
}
.gloss-cat { font-size: 11px; letter-spacing: 2px; color: var(--accent-purple); margin-bottom: 6px; }
.gloss-term { font-size: 30px; font-weight: 800; margin-bottom: 14px; }
/* 已记住的卡：标题划线置灰（单张展示态） */
.gloss-term.remembered { color: var(--ink-2); opacity: 0.6; text-decoration: line-through; text-decoration-thickness: 2px; }
/* 正文不限制字数：标签独占一行，内容按段落排开，保证长文也能读下来 */
.gloss-body { display: flex; flex-direction: column; gap: 13px; }
.gloss-body p {
  font-size: 14.5px; line-height: 1.9; margin: 0; color: var(--ink);
  padding-left: 12px; border-left: 2px solid var(--line);
}
.gloss-body b {
  display: block; margin-bottom: 3px;
  font-size: 11.5px; letter-spacing: 1.5px; font-weight: 700;
  color: var(--accent-purple);
}
/* 4 个功能按钮固定同一行：等宽、不换行，窄屏缩字号保单行 */
.gloss-actions { display: flex; gap: 8px; margin-top: 18px; flex-wrap: nowrap; }
.gloss-actions .btn {
  flex: 1 1 0; min-width: 0; padding: 7px 4px; white-space: nowrap;
  font-size: 13px;
}
@media (max-width: 480px) {
  .gloss-actions .btn { font-size: 11.5px; gap: 3px; padding: 7px 2px; }
}
.gloss-manage { max-height: 50vh; overflow: auto; display: flex; flex-direction: column; gap: 6px; }

/* 分组展示：每组 N 张（默认 5）小卡网格 */
.gloss-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 10px; }
.gloss-mini {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(160deg, #fdfdfd, #f7f6f9);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.gloss-mini:hover { border-color: var(--ink-2); box-shadow: var(--shadow); }
.gloss-mini.on { background: var(--bg); }
.gm-open {
  flex: 1; text-align: left; border: none; background: none; color: var(--ink);
  padding: 12px 13px 9px; display: flex; flex-direction: column; gap: 5px;
}
.gm-cat {
  display: flex; align-items: center; gap: 6px;
  font-size: 10.5px; letter-spacing: 1.5px; color: var(--accent-purple);
}
.gm-gen {
  font-size: 9.5px; letter-spacing: 0; font-weight: 500; color: var(--ink-2);
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0 5px;
}
.gm-term { font-size: 19px; font-weight: 800; line-height: 1.3; overflow-wrap: anywhere; }
.gloss-mini.on .gm-term { text-decoration: line-through; opacity: 0.55; }
.gm-def {
  font-size: 12.5px; color: var(--ink-2); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.gm-ops { display: flex; gap: 6px; border-top: 1px solid var(--line); padding: 7px 10px; }
.gm-btn {
  flex: 1; border: none; background: none; color: var(--ink-2); border-radius: 8px;
  font-size: 11.5px; padding: 4px 0; min-height: 26px;
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
}
.gm-btn:hover { background: var(--bg); color: var(--ink); }
.gm-btn.on { background: var(--bg); color: var(--ink); font-weight: 600; }
.gm-btn.on .ico use { stroke: var(--accent-green); }
.gloss-foot {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line);
}
.gloss-foot .btn[disabled] { opacity: 0.4; cursor: default; }
.mg-split { height: 1px; background: var(--line); margin: 2px 0; }

/* ---------- 通识卡管理面板（垂类 / 每日数量 / 收藏夹） ---------- */
.gloss-dg { max-width: min(94vw, 640px); }
.gloss-manage-dg { display: flex; flex-direction: column; max-height: 86vh; padding: 18px 20px 16px; }
.gloss-manage-dg h3 { margin-bottom: 12px; }
.mg-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 12px; }
.mg-tab {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
  border-radius: 999px; padding: 6px 16px; font-size: 13px; transition: all 0.15s;
}
.mg-tab:hover { border-color: var(--ink-2); color: var(--ink); }
.mg-tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.gloss-manage-dg .dg-body { flex: 1; overflow: auto; gap: 12px; padding-right: 2px; }

.mg-tip { line-height: 1.7; margin-bottom: 10px; }
.mg-tip b { color: var(--ink); font-weight: 600; }
.mg-cats { display: flex; flex-wrap: wrap; gap: 6px; }
.mg-cat {
  position: relative;
  border: 1px solid var(--line); background: var(--panel); border-radius: 10px;
  padding: 6px 10px; font-size: 12px; display: flex; flex-direction: column; gap: 1px;
  align-items: flex-start; transition: all 0.15s;
}
.mg-cat span { font-size: 10px; color: var(--ink-2); }
.mg-cat:hover { border-color: var(--ink-2); }
.mg-cat.on { border-color: var(--ink); background: var(--bg); }
.mg-cat.on span { color: var(--ink-2); }
.mg-cat .mg-cur {
  position: absolute; top: -7px; right: -6px;
  font-size: 9px; font-style: normal; letter-spacing: 0.5px;
  background: var(--ink); color: #fff; border-radius: 999px; padding: 1px 6px;
}

/* 底部「待确认」提示：点垂类只是选中，必须点确认才切换首页推送 */
.mg-pending { flex: 1; min-width: 0; line-height: 1.5; text-align: left; }
.mg-pending:not(.muted) { color: var(--danger); }
.mg-pending b { font-weight: 600; }

/* 确认切换后高亮通识卡，把视线带到真正变化的地方 */
.card.flash { animation: card-flash 1.4s ease-out; }
@keyframes card-flash {
  0%   { box-shadow: 0 0 0 0 rgba(162, 147, 184, 0.6); }
  30%  { box-shadow: 0 0 0 7px rgba(162, 147, 184, 0.3); }
  100% { box-shadow: 0 0 0 0 rgba(162, 147, 184, 0); }
}

.mg-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.mg-list { display: flex; flex-direction: column; gap: 4px; }
.mg-row {
  display: flex; align-items: center; gap: 6px; padding: 6px 8px;
  border-radius: 10px; border: 1px solid transparent;
}
.mg-row:hover { background: var(--bg); }
.mg-row.remembered { opacity: 0.6; }
.mg-row.remembered .mg-term { text-decoration: line-through; }
.mg-term { flex: 1; min-width: 0; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mg-term i { font-style: normal; }

.mg-count { display: flex; flex-direction: column; gap: 12px; }
.mg-count .field { max-width: 200px; }
.mg-count .field input { font-size: 18px; font-variant-numeric: tabular-nums; }
.mg-quick { display: flex; flex-wrap: wrap; gap: 6px; }
.mg-stats { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink-2); }
.mg-stats b { color: var(--ink); }
.chip-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
  border-radius: 999px; padding: 5px 14px; font-size: 12px; transition: all 0.15s;
}
.chip-btn:hover { border-color: var(--ink-2); color: var(--ink); }
.chip-btn.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip-btn.wide { border-radius: 10px; text-align: left; padding: 8px 12px; }

.mg-favs { display: flex; flex-direction: column; gap: 8px; }
.mg-fav-group { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.mg-fav-head {
  width: 100%; display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  background: var(--panel); border: none; font-size: 14px; font-weight: 600;
}
.mg-fav-head:hover { background: var(--bg); }
.mg-fav-head span:first-child { flex: 1; text-align: left; }
.mg-caret { color: var(--ink-2); }
.mg-fav-list { display: flex; flex-direction: column; gap: 4px; padding: 0 10px 10px; }
.gloss-learn-dg { max-height: 88vh; overflow: auto; }
.gloss-learn-dg .gloss-term { font-size: 26px; }

@media (max-width: 640px) {
  .mg-term { white-space: normal; }
  .mg-row { flex-wrap: wrap; }
}

/* ---------- 待办列表 ---------- */
.date-pick {
  border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink);
  padding: 4px 8px; font-size: 13px; height: 30px; font-variant-numeric: tabular-nums;
}
/* 工具条：新增（列表左上方）→ 范围筛选 → 显示已完成 */
.todo-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding-bottom: 12px; margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.todo-bar .field.check { font-size: 13px; gap: 6px; }
.todo-add {
  padding: 4px 12px; min-height: 30px; font-size: 12.5px;
  border-radius: 999px; letter-spacing: 0.5px;
}
.todo-list { display: flex; flex-direction: column; gap: 8px; }
.todo-hint { margin-top: 12px; line-height: 1.7; }
.todo-hint b { color: var(--ink); font-weight: 600; }
.day-item.big { padding: 10px 12px; gap: 12px; align-items: flex-start; }
.day-item.big > input[type="checkbox"] { margin-top: 3px; }
.day-item.big .icon-btn { margin-top: -1px; }
.item-name { font-size: 15px; }
.item-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12px; margin-top: 3px; }
.item-meta > span { white-space: nowrap; }
.tag.carry { background: #f7eeed; border-color: #efdcd9; color: var(--danger); font-weight: 600; }
.tag.pin-tag { background: #eef1f4; border-color: #dce3ea; color: var(--accent-blue); font-weight: 600; }
/* 置顶任务：浅蓝底强调，固定在列表顶部，不可拖拽 */
.day-item.pinned, .week-task.pinned { background: #f5f8fb; border-color: #dbe4ec; }
/* 拖拽手柄：触屏在其上发起拖拽（touch-action:none 防止页面滚动抢占） */
.day-item .grip { cursor: grab; color: var(--ink-2); display: inline-flex; touch-action: none; opacity: 0.55; }
.day-item .grip:hover { opacity: 1; }
.day-item.dragging {
  opacity: 0.85; box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
  border-color: var(--accent-blue); background: #fff; position: relative; z-index: 5;
}
/* 时:分 双输入 */
.hm-field .hm-row { display: flex; align-items: center; gap: 6px; }
.hm-field .hm-row input { width: 72px; text-align: center; }
.hm-field .hm-row b { color: var(--ink-2); }
.tag.done-tag { background: #eef1ec; border-color: #dde3da; color: var(--accent-green); font-weight: 600; }
/* 顺延来的待办：左侧色条提示，勾选完成后立即消失 */
.day-item.carried { border-left: 3px solid var(--danger); background: #fdfaf9; }

/* ---------- 运动健康 ---------- */
.weight-layout { display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 16px; align-items: start; }
.weight-left { min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.weight-form { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.wf-field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-2); }
.wf-field > span:first-child { padding-left: 2px; }
.wf-field input {
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px;
  font-size: 15px; background: var(--panel); color: var(--ink);
  font-variant-numeric: tabular-nums; min-height: 40px;
}
.wf-field input[type="date"] { width: 150px; }
.wf-input { position: relative; display: inline-flex; align-items: center; }
.wf-input input { padding-right: 42px; width: 140px; }
.wf-input i {
  position: absolute; right: 12px; font-style: normal; font-size: 12px;
  color: var(--ink-2); pointer-events: none;
}
.weight-form .btn { min-height: 40px; }
.weight-hint {
  display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px;
}
.wk-list { display: flex; flex-wrap: wrap; gap: 6px; }
.wk-item {
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px;
  padding: 4px 10px; font-size: 12px; color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 6px;
}
.wk-item b { color: var(--ink); font-variant-numeric: tabular-nums; }
.wk-item.on { border-color: var(--ink); background: var(--bg); color: var(--ink); }

.weight-cal { border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--panel); }
.wc-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 6px; }
.wc-head b { font-size: 13px; }
.wc-head button {
  border: none; background: none; color: var(--ink-2); width: 26px; height: 26px;
  border-radius: 8px; display: inline-flex; align-items: center; justify-content: center;
}
.wc-head button:hover { background: var(--bg); color: var(--ink); }
.wc-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.wc-week span { text-align: center; font-size: 10px; color: var(--ink-2); padding: 2px 0 4px; }
.wc-cell {
  border: none; background: none; border-radius: 8px; padding: 4px 0 3px;
  min-height: 40px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0; color: var(--ink); position: relative;
}
.wc-cell b { font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.25; }
.wc-cell i { font-style: normal; font-size: 9px; color: var(--accent-green); font-variant-numeric: tabular-nums; }
.wc-cell:hover { background: var(--bg); }
.wc-cell.blank { pointer-events: none; min-height: 0; }
.wc-cell.has { background: #eef3ee; }
.wc-cell.today b { font-weight: 800; color: var(--accent-blue); }
.wc-cell.on { outline: 2px solid var(--accent-blue); outline-offset: -2px; }

.chart-block { position: relative; margin-top: 16px; }
.chart-filter {
  position: absolute; top: -4px; right: 0; z-index: 3;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
  border-radius: 999px; padding: 6px 12px; font-size: 12px;
  display: inline-flex; align-items: center; gap: 6px; min-height: 32px;
}
.chart-filter:hover { border-color: var(--ink-2); color: var(--ink); }
.chart-filter-panel {
  position: absolute; top: 34px; right: 0; z-index: 4; width: 210px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12); padding: 6px;
}
.chart-filter-panel[hidden] { display: none; }
.flt-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px;
  border-radius: 8px; font-size: 13px;
}
.flt-item:hover { background: var(--bg); }
.flt-item input { width: 16px; height: 16px; accent-color: var(--ink); }
.flt-item span { display: flex; flex-direction: column; }
.flt-item i { font-style: normal; font-size: 11px; color: var(--ink-2); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 6px; padding-top: 26px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: none; background: var(--panel); padding: 6px 12px; font-size: 12px; color: var(--ink-2); }
.seg button.on { background: var(--ink); color: #fff; }
.chart-wrap svg { width: 100%; height: auto; }
.grid { stroke: var(--line); stroke-width: 1; }
.axis { font-size: 10px; fill: var(--ink-2); }

.habit-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.habit {
  position: relative; text-align: left;
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  padding: 14px; display: flex; align-items: center; gap: 10px; min-height: 56px;
  font-size: 13px; transition: all 0.15s;
}
.habit:hover { border-color: var(--ink-2); }
.habit.done { background: var(--bg); opacity: 0.55; }
.habit.done .habit-name { text-decoration: line-through; }
.habit-check {
  width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line);
  display: flex; align-items: center; justify-content: center; font-size: 13px; flex: none;
  color: #fff;
}
.habit.done .habit-check { background: var(--accent-green); border-color: var(--accent-green); }
.habit.done .habit-check .ico use { stroke: #fff; }

/* 打卡卡片管理 */
.habit-dg { max-width: min(94vw, 540px); }
.habit-manage-dg h3 { display: flex; align-items: center; gap: 8px; }
.habit-manage-dg .dg-actions { justify-content: flex-start; gap: 8px; }
.habit-manage-dg .dg-actions .spacer { flex: 1; }
.hm-list { display: flex; flex-direction: column; gap: 6px; max-height: 46vh; overflow: auto; }
.hm-row {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px;
}
.hm-idx {
  width: 22px; height: 22px; border-radius: 6px; background: var(--bg);
  font-size: 11px; color: var(--ink-2); flex: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.hm-name { flex: 1; min-width: 0; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hm-ops { display: flex; gap: 2px; }
.hm-ops .icon-btn { width: 28px; height: 28px; }
.hm-ops .icon-btn:disabled { opacity: 0.28; cursor: default; }
.hm-ops .icon-btn:disabled:hover { background: none; }

@media (max-width: 900px) {
  .weight-layout { grid-template-columns: 1fr; }
  .weight-cal { order: -1; }
}

/* ---------- 设置 ---------- */
.set-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; font-size: 14px; flex-wrap: wrap; }
.api-row { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.api-name { font-size: 14px; font-weight: 600; margin-bottom: 8px; display: flex; gap: 10px; align-items: baseline; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-2); }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px;
  font-size: 14px; min-width: 0; background: var(--panel); color: var(--ink);
  font-family: inherit;
}
.field textarea { resize: vertical; line-height: 1.5; }
.field .req, .field .opt {
  font-style: normal; font-size: 10px; margin-left: 6px; padding: 1px 6px;
  border-radius: 6px; vertical-align: 1px;
}
.field .req { color: #fff; background: var(--danger); }
.field .opt { color: var(--ink-2); background: var(--bg); border: 1px solid var(--line); }
.confirm-dg h3 { display: flex; align-items: center; gap: 8px; }
.confirm-msg { font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.confirm-dg .dg-actions { margin-top: 20px; }
.field input:focus, .field select:focus, .weight-form input:focus { outline: 2px solid var(--accent-blue); outline-offset: -1px; }
.field.check { flex-direction: row; align-items: center; font-size: 14px; color: var(--ink); }
.api-row .field { margin-bottom: 8px; }
.api-row .field input { width: 100%; }

/* ---------- 对话框 ---------- */
dialog {
  border: none; border-radius: 16px; padding: 0;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
  max-width: min(92vw, 520px); width: 100%;
}
dialog::backdrop { background: rgba(20, 22, 26, 0.45); }
.dg { padding: 20px; }
.dg h3 { font-size: 16px; margin-bottom: 14px; }
.dg-body { display: flex; flex-direction: column; gap: 10px; }
.dg-body .field input, .dg-body .field select { width: 100%; }
.dg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.dg.lock input { font-size: 18px; text-align: center; letter-spacing: 6px; }

/* ---------- Toast ---------- */
#toast-box {
  position: fixed; left: 50%; transform: translateX(-50%);
  /* 避开 iOS 灵动岛 / 状态栏：默认下压 54px，PWA 全屏再加安全区，确保文案不被遮挡 */
  top: calc(env(safe-area-inset-top, 0px) + 54px);
  z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none; width: max-content; max-width: 92vw;
}
.toast {
  background: var(--ink); color: #fff; font-size: 13px;
  padding: 9px 18px; border-radius: 20px;
  opacity: 0; transform: translateY(-8px);
  transition: all 0.25s;
}
.toast.show { opacity: 1; transform: none; }

/* ---------- 完成任务成就感：彩带粒子 ---------- */
.celebrate-host { position: fixed; inset: 0; pointer-events: none; z-index: 300; }
.cel-p {
  position: fixed; width: 8px; height: 8px; border-radius: 2px;
  pointer-events: none; opacity: 1;
  animation: cel-fly 0.9s ease-out forwards;
}
.cel-p.round { border-radius: 50%; width: 6px; height: 6px; }
@keyframes cel-fly {
  0% { transform: translate(0, 0) rotate(0) scale(1); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) rotate(var(--rot)) scale(0.6); opacity: 0; }
}
/* 长按拖拽中的打卡卡片 */
.habit.dragging {
  opacity: 0.92; transform: scale(1.04); z-index: 6;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2); border-color: var(--accent-blue);
  cursor: grabbing; user-select: none; -webkit-user-select: none;
}
.habit { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }

/* ---------- 手机端（需求 8.2：单列、抽屉、≥44px） ---------- */
@media (max-width: 720px) {
  .nav {
    position: fixed; left: 0; top: 0; z-index: 60;
    transform: translateX(-100%); transition: transform 0.22s ease;
    box-shadow: 8px 0 30px rgba(0, 0, 0, 0.12);
    /* 抽屉铺满整个视口高度（含移动端浏览器动态高度）并独立滚动 */
    height: 100vh; height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .nav.open { transform: none; }
  #mask.show {
    display: block; position: fixed; inset: 0; z-index: 50;
    background: rgba(0, 0, 0, 0.35);
  }
  #menu-btn { display: block; width: 44px; height: 44px; }
  #back-btn { width: 44px; height: 44px; }
  .topbar {
    padding: 8px 12px;
    padding-top: calc(8px + constant(safe-area-inset-top));
    padding-top: calc(8px + env(safe-area-inset-top));
  }
  .view { padding: 12px 12px 80px; }
  .card { padding: 14px; }
  .clock-date { font-size: 28px; }
  .cal-cell { min-height: 50px; }
  /* 小屏隐藏农历日名避免拥挤；节假日名保留为独立行，不再用浮层覆盖日期数字 */
  .cal-cell i.sub-lunar { display: none; }
  .cal-cell i.sub-off, .cal-cell i.sub-work { font-size: 9px; }
  .cal-cell.blank { min-height: 0; }
  .pk-months { grid-template-columns: repeat(4, 1fr); }
  .btn { min-height: 44px; }
  .btn.tiny { min-height: 36px; }
  /* 待办页工具条保持紧凑，不跟随 44px 触摸目标放大 */
  .todo-add { min-height: 32px; padding: 4px 12px; }
  .todo-bar { gap: 8px; }
  .date-pick { height: 32px; }
  .icon-btn { width: 40px; height: 40px; }
  .day-item input[type="checkbox"] { width: 22px; height: 22px; }
  .weather { margin-left: 0; width: 100%; }
  .dash-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .habit-grid { grid-template-columns: 1fr 1fr; }
  .weight-layout { grid-template-columns: 1fr; }
  .wk-list { max-height: 96px; overflow: auto; }
  .chart-filter { position: static; margin-bottom: 10px; }
  .chart-legend { padding-top: 0; }
  .chart-filter-panel { top: auto; right: 0; left: 0; width: auto; }
  .gloss-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .gm-term { font-size: 16px; }
  .gm-def { -webkit-line-clamp: 2; font-size: 12px; }
  .gm-btn { min-height: 30px; font-size: 11px; }
  .gloss-foot .btn.primary { flex: 1; }
}

/* ==================== AI 学习模块（第 2 批：地图 + 关卡 + 知识卡） ==================== */

.ln-note { line-height: 1.75; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.ln-note strong { color: var(--ink); }

/* ---------- 概览 ---------- */
.ln-overview { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ln-ov-item {
  display: flex; flex-direction: column; gap: 4px; align-items: flex-start;
  padding: 10px 12px; background: var(--bg); border-radius: 12px;
}
.ln-ov-item b { font-size: 15px; font-weight: 650; }
.ln-ov-item .ln-bar { width: 100%; }

/* 学习地图 · 我的收藏：概览网格第 6 张卡（两排三列，与其它卡片同尺寸同风格），默认折叠 */
.ln-fav-sec { grid-column: auto; }
.ln-fav-sum {
  display: flex; flex-direction: column; gap: 4px; align-items: flex-start; height: 100%;
  padding: 10px 12px; background: var(--bg); border-radius: 12px;
  cursor: pointer; list-style: none; -webkit-tap-highlight-color: transparent; user-select: none;
}
.ln-fav-sum::-webkit-details-marker { display: none; }   /* 去 Safari 默认三角 */
.ln-fav-count { font-size: 15px; font-weight: 650; }
.ln-fav-toggle { align-self: flex-start; }   /* 沿用 .btn tiny ghost 外观，点击整块 summary 展开 */
.ln-fav-show { display: inline; }
.ln-fav-hide { display: none; }
.ln-fav-sec[open] .ln-fav-show { display: none; }
.ln-fav-sec[open] .ln-fav-hide { display: inline; }
.ln-fav-body { padding: 0; margin-top: 10px; }
.ln-fav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 12px; }
.ln-fav-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 3px; text-align: left;
  padding: 10px 12px; border-radius: 11px; border: 1px solid var(--line);
  background: var(--panel); transition: all 0.15s;
}
.ln-fav-card:hover { border-color: var(--ink-2); transform: translateY(-1px); }
.ln-fav-card b { font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.ln-fav-empty { padding: 12px 2px; }

/* 进度条 */
.ln-bar { display: block; height: 5px; border-radius: 999px; background: var(--line); overflow: hidden; }
.ln-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #b5a6c9, #7f6fa0); transition: width 0.3s ease; }

/* ---------- 阶段 ---------- */
.ln-stage { margin-top: 14px; }
.ln-stage-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; padding: 0 4px 8px; }
.ln-stage-head b { font-size: 15px; }
.ln-stage-badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--ink); color: #fff; letter-spacing: 0.4px;
}
.ln-levels { display: flex; flex-direction: column; gap: 8px; }

/* ---------- 关卡卡 ---------- */
.ln-level {
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--panel); box-shadow: var(--shadow); transition: all 0.15s;
}
.ln-level:hover { border-color: var(--ink-2); transform: translateY(-1px); }
.ln-level.locked { background: #fafafa; box-shadow: none; opacity: 0.72; }
.ln-level.locked:hover { transform: none; }
.ln-level-no {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 650; background: var(--bg); color: var(--ink);
  border: 1px solid var(--line);
}
.ln-level.st-passed .ln-level-no { background: #e7efe7; border-color: #c9dcc9; color: #3d6b3d; }
.ln-level.st-review .ln-level-no, .ln-level.st-rereview .ln-level-no { background: #f6ecd8; border-color: #e6d3ac; color: #8a6a24; }
.ln-level.st-learning .ln-level-no { background: #ece7f2; border-color: #d7cde4; color: #6a5b8c; }
.ln-level-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.ln-level-title { font-size: 15px; font-weight: 620; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ln-level-sub { font-size: 12px; color: var(--ink-2); }
.ln-level-meter { display: flex; align-items: center; gap: 8px; margin-top: 2px; flex-wrap: wrap; }
.ln-level-meter .ln-bar { width: 72px; flex: none; }
.ln-level-hint { font-size: 12px; color: var(--accent-purple); display: flex; align-items: center; gap: 4px; }
.ln-level-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.ln-level-ico { color: var(--ink-2); }
.ln-dir-tag {
  font-size: 10px; font-style: normal; padding: 1px 7px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
}

/* 状态标签 */
.ln-status {
  font-size: 11px; font-style: normal; padding: 2px 9px; border-radius: 999px; white-space: nowrap;
  background: var(--bg); color: var(--ink-2); border: 1px solid var(--line);
}
.ln-status.st-passed { background: #e7efe7; color: #3d6b3d; border-color: #c9dcc9; }
.ln-status.st-review { background: #f6ecd8; color: #8a6a24; border-color: #e6d3ac; }
.ln-status.st-rereview { background: #f3e4e2; color: #8a4a42; border-color: #e5cdc9; }
.ln-status.st-learning { background: #ece7f2; color: #6a5b8c; border-color: #d7cde4; }
.ln-status.st-ready { background: #e8eff4; color: #4a6b80; border-color: #cfdde7; }
.ln-status.st-locked { opacity: 0.7; }

/* ---------- 关卡详情 ---------- */
.ln-head-card .card-head { border-bottom: none; padding-bottom: 0; margin-bottom: 6px; }
.ln-title { font-size: 21px; font-weight: 700; margin: 4px 0 4px; }
.ln-subtitle { font-size: 14px; color: var(--ink-2); margin-top: 2px; }

/* 学习地图页主 / 副标题（与全局标题字体体系一致） */
.ln-map-head { padding: 2px 0 6px; }
.ln-map-title { font-size: 20px; font-weight: 700; line-height: 1.3; color: var(--ink); letter-spacing: 0.2px; }
.ln-map-sub { font-size: 12.5px; color: var(--ink-2); margin-top: 4px; line-height: 1.5; }
.ln-head-meter { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.ln-head-meter .ln-bar { flex: 1; min-width: 120px; }

.ln-sec { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-top: 12px; box-shadow: var(--shadow); }
.ln-sec-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ln-sec-head b { font-size: 15px; }
.ln-sec-no {
  flex: none; width: 24px; height: 24px; border-radius: 7px; font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
}
.ln-sec-body { font-size: 14px; }
.ln-sec-body p { margin-bottom: 11px; line-height: 1.92; }
.ln-sec-body p:last-child { margin-bottom: 0; }
.ln-tag {
  font-size: 10px; font-style: normal; padding: 1px 7px; border-radius: 999px;
  background: #ece7f2; color: #6a5b8c;
}
.ln-sec-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
/* 「已背诵 / 已练习」等完成态按钮：明显的选中状态（绿底） */
.ln-sec-actions .btn.on { background: var(--accent-green); border-color: var(--accent-green); color: #fff; }
.ln-sec-actions .btn.on:hover { background: var(--accent-green); }

/* 通关规则 */
.ln-rules { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.ln-rule {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  border-radius: 10px; background: var(--bg); border: 1px solid transparent;
}
.ln-rule.met { background: #eef4ee; border-color: #d6e3d6; }
.ln-rule.pending { background: #f7f7f6; border-style: dashed; border-color: var(--line); }
.ln-rule-ico { flex: none; display: flex; }
.ln-rule-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ln-rule-main b { font-size: 13px; font-weight: 600; }
.ln-rule-main i { font-style: normal; }
.ln-rule-tag {
  font-size: 10px; font-style: normal; padding: 1px 7px; border-radius: 999px;
  background: var(--line); color: var(--ink-2); white-space: nowrap;
}

/* 关联知识卡 */
.ln-cards-mini { display: flex; flex-wrap: wrap; gap: 6px; }
.ln-mini {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1px;
  padding: 6px 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel); font-size: 13px; transition: all 0.15s;
}
.ln-mini:hover { border-color: var(--ink-2); }
.ln-mini.mastered { background: var(--bg); }
.ln-mini.mastered span { text-decoration: line-through; color: var(--ink-2); }
.ln-practice-done { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #3d6b3d; background: #eef4ee; padding: 8px 12px; border-radius: 10px; }

/* 方向选择（第 7 关） */
.ln-dir-card { border-color: var(--accent-purple); }
.ln-dirs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 10px; }
.ln-dir {
  position: relative; display: flex; flex-direction: column; gap: 6px; text-align: left;
  padding: 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel);
  transition: all 0.15s;
}
.ln-dir:hover { border-color: var(--accent-purple); }
.ln-dir b { font-size: 15px; }
.ln-dir span { font-size: 12px; color: var(--ink-2); line-height: 1.6; }
.ln-dir.on { border-color: var(--accent-purple); background: #f7f4fa; box-shadow: 0 0 0 3px rgba(162, 147, 184, 0.16); }
.ln-dir-on {
  position: absolute; top: 10px; right: 10px; font-size: 10px; font-style: normal;
  padding: 1px 7px; border-radius: 999px; background: var(--accent-purple); color: #fff;
}

/* ---------- 知识卡库 ---------- */
.ln-filters { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.ln-filters select, .ln-filters input[type="search"] {
  height: 34px; padding: 0 10px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--panel); font-size: 13px; color: var(--ink); font-family: inherit;
}
.ln-filters input[type="search"] { flex: 1; min-width: 150px; }
.ln-chips { display: flex; gap: 4px; flex-wrap: wrap; }
.ln-cardlist { display: flex; flex-direction: column; gap: 6px; }
.ln-cardrow {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 10px 14px; border-radius: 11px; border: 1px solid var(--line); background: var(--panel);
  transition: all 0.15s;
}
.ln-cardrow:hover { border-color: var(--ink-2); }
.ln-cardrow.mastered { background: var(--bg); }
.ln-cardrow-main { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.ln-cardrow-main b { font-size: 14px; }
.ln-cardrow-main em { flex-basis: 100%; font-style: normal; font-size: 12px; color: var(--ink-2); line-height: 1.6; }
.ln-cardrow-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.ln-cardrow-right .ln-bar { width: 56px; }

/* ---------- 知识卡弹窗 ---------- */
.ln-card-dg { border: none; padding: 0; background: transparent; max-width: 92vw; }
.ln-card-dg::backdrop { background: rgba(20, 22, 26, 0.42); }
.ln-carddg {
  width: min(680px, 92vw); max-height: 86vh; display: flex; flex-direction: column;
  background: var(--panel); border-radius: 16px; padding: 18px 20px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}
.ln-carddg-head { display: flex; align-items: center; gap: 8px; }
.ln-carddg-title { font-size: 19px; font-weight: 700; margin: 6px 0 12px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.ln-carddg-title .ln-card-en { font-size: 13px; font-weight: 500; color: var(--ink-2); font-style: normal; }
.ln-carddg-title .ln-card-abbr { font-size: 12px; font-weight: 600; color: var(--accent-blue); font-style: normal; background: color-mix(in srgb, var(--accent-blue) 12%, transparent); padding: 1px 6px; border-radius: 6px; }
.ln-cardrow-main i.muted.small { margin-right: 6px; }
.ln-carddg-body { flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 12px; padding-right: 2px; }
.ln-fld b {
  display: block; font-size: 11px; font-weight: 600; color: var(--accent-purple);
  letter-spacing: 0.4px; margin-bottom: 4px;
}
.ln-fld > div { font-size: 13.5px; }
.ln-fld p { margin-bottom: 10px; line-height: 1.88; }
.ln-mastery { display: flex; align-items: center; gap: 10px; }
.ln-mastery .ln-bar { flex: 1; min-width: 80px; }
.ln-carddg-actions { display: flex; align-items: stretch; gap: 6px; flex-wrap: nowrap; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.ln-carddg-actions .btn { flex: 1 1 0; min-width: 0; justify-content: center; padding: 7px 6px; }
.ln-carddg-actions .btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 知识卡「达标」标识 */
.ln-met { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.ln-met-item { font-size: 12.5px; color: var(--ink-2); padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; }
.ln-met-item.on { color: #3d6b3d; border-color: #c9dcc9; background: #eef5ee; }
.ln-met-badge { font-size: 12.5px; font-weight: 650; padding: 2px 10px; border-radius: 999px; }
.ln-met-badge.ok { color: #3d6b3d; background: #e7efe7; border: 1px solid #c9dcc9; }
.ln-met-badge.no { color: #8a6a24; background: #f6ecd8; border: 1px solid #e6d3ac; }
.ln-met-pill { font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; color: var(--ink-2); background: var(--bg-2); border: 1px solid var(--line); }
.ln-met-pill.ok { color: #3d6b3d; background: #e7efe7; border-color: #c9dcc9; }

/* 卡片标题下方：知识点相关性评估（需求优化：统一色调 / 行距 / 字体） */
.ln-rel {
  display: flex; flex-direction: column; gap: 5px;
  padding: 10px 12px; margin: 2px 0 4px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
}
.ln-rel-cap { display: flex; align-items: baseline; gap: 8px; font-size: 11px; font-weight: 600; color: var(--accent-purple); letter-spacing: 0.4px; }
.ln-rel-cap .muted { font-weight: 400; letter-spacing: 0; }
.ln-rel-row { display: flex; align-items: center; gap: 10px; font-size: 13px; line-height: 1.4; }
.ln-rel-lab { flex: none; width: 90px; color: var(--ink); }
.ln-stars { display: inline-flex; gap: 1px; font-size: 14px; line-height: 1; }
.ln-star { font-style: normal; color: #d6d6d1; }
.ln-star.on { color: var(--accent-purple); }
.ln-rel-val { flex: none; min-width: 30px; text-align: right; color: var(--ink-2); font-size: 12px; font-variant-numeric: tabular-nums; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .ln-overview { grid-template-columns: 1fr 1fr; }
  .ln-fav-sec { grid-column: 1 / -1; }   /* 移动端「我的收藏」独占一行 */
  .ln-fav-grid { grid-template-columns: repeat(2, 1fr); }
  .ln-level { padding: 12px; gap: 10px; }
  .ln-level-no { width: 30px; height: 30px; font-size: 13px; }
  .ln-level-right { align-items: flex-end; }
  .ln-dirs { grid-template-columns: 1fr; }
  .ln-sec { padding: 14px; }
  .ln-filters select, .ln-filters input[type="search"] { height: 38px; }
  .ln-cardrow { align-items: flex-start; }
  .ln-cardrow-right { display: none; }
  .ln-carddg { width: 94vw; padding: 16px; }
}

/* ================= 富文本正文（js/rich.js 渲染） =================
 * 长文案统一按「段落 + 序点列表」排版，关键短语高亮，专有名词可点开知识卡。
 */

.rt-p { font-size: 14px; line-height: 1.95; margin: 0 0 11px; }

/* 列表：有序用圆形数字，无序用小圆点；行距比散文再松一点 */
.rt-list { list-style: none; margin: 2px 0 12px; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.rt-list:last-child { margin-bottom: 0; }
.rt-list > li { position: relative; font-size: 14px; line-height: 1.9; padding-left: 25px; }
.rt-ol { counter-reset: rt-ol; }
.rt-ol > li { counter-increment: rt-ol; }
.rt-ol > li::before {
  content: counter(rt-ol);
  position: absolute; left: 0; top: 4px;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
  font-size: 10px; line-height: 16px; text-align: center; font-weight: 600;
}
.rt-ul > li { padding-left: 15px; }
.rt-ul > li::before {
  content: ''; position: absolute; left: 2px; top: 11px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent-purple); opacity: 0.55;
}

/* 条目自带的序号前缀（误区一：/ 其次是 …） */
.rt-lead { color: var(--ink); font-weight: 650; margin-right: 2px; }

/* 关键短语：加粗 + 一层很淡的荧光底，扫读时能抓住重点 */
.rt-kw {
  background: linear-gradient(transparent 60%, rgba(162, 147, 184, 0.26) 60%);
  color: var(--ink); font-weight: 650; padding: 0 1px; border-radius: 2px;
}

/* 专有名词：点开就是对应知识卡 */
.rt-term {
  color: #7f6fa0; font-weight: 550; cursor: pointer;
  border-bottom: 1px dashed rgba(127, 111, 160, 0.5);
  padding-bottom: 0.5px; transition: background 0.12s;
}
.rt-term:hover { background: rgba(162, 147, 184, 0.16); border-bottom-style: solid; }
.rt-term:active { background: rgba(162, 147, 184, 0.3); }
.rt-term:focus-visible { outline: 2px solid var(--accent-purple); outline-offset: 1px; border-radius: 2px; }

/* 弹窗内正文小一号 */
.ln-fld .rt-p, .ln-fld .rt-list > li { font-size: 13.5px; }
.ln-fld .rt-list { gap: 8px; margin-bottom: 10px; }

/* 弹窗内「返回上一张卡」的按钮 */
.ln-carddg-head #lnc-back { flex: none; }

@media (max-width: 720px) {
  .rt-p { line-height: 1.9; }
  .rt-list > li { font-size: 13.5px; padding-left: 22px; }
  .rt-ul > li { padding-left: 14px; }
}

/* ==================== AI 学习模块（第 3 批：出题 + 批改 + 错题本） ==================== */

/* 侧边栏二级入口 */
.nav a.sub2 { padding-left: 42px; font-size: 13px; }

.qz-alert { color: var(--danger); font-weight: 650; }

/* ---------- 组卷表单 ---------- */
.qz-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.qz-fld { display: flex; flex-direction: column; gap: 4px; }
.qz-fld-wide { grid-column: 1 / -1; }
.qz-fld select, .qz-fld input[type="number"] {
  height: 36px; padding: 0 10px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--panel); font-size: 13px; color: var(--ink); font-family: inherit;
}
.qz-fld input[type="number"] { width: 100%; }

/* ---------- 题干与元信息 ---------- */
.qz-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.qz-tag {
  font-size: 10.5px; font-style: normal; padding: 1.5px 8px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2); white-space: nowrap;
}
.qz-tag.qz-bad { background: #f3e4e2; border-color: #e5cdc9; color: #8a4a42; }
.qz-tag.qz-ok { background: #e7efe7; border-color: #c9dcc9; color: #3d6b3d; }
.qz-tag.qz-ai { background: #ece7f2; border-color: #d7cde4; color: #6a5b8c; }
.qz-diff.d1 { background: #e8f0ea; border-color: #d2e2d6; color: #4a6b52; }
.qz-diff.d2 { background: #f4efe2; border-color: #e6dcc2; color: #7a6532; }
.qz-diff.d3 { background: #f2e8e8; border-color: #e3d0cf; color: #8a4a42; }
.qz-cardlink {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px;
  padding: 3px 9px; border-radius: 999px; border: 1px dashed var(--line); background: var(--panel);
  color: var(--accent-purple);
}
.qz-cardlink:hover { border-style: solid; border-color: var(--accent-purple); }

.qz-stem { font-size: 16px; font-weight: 600; line-height: 1.85; margin: 4px 0 14px; }
.qz-quizcard .qz-stem { font-size: 16.5px; }

/* ---------- 作答区 ---------- */
.qz-opts { display: flex; flex-direction: column; gap: 8px; }
.qz-opt {
  display: flex; align-items: flex-start; gap: 10px; width: 100%; text-align: left;
  padding: 12px 14px; border-radius: 11px; border: 1px solid var(--line); background: var(--panel);
  font-size: 14px; line-height: 1.7; transition: all 0.15s;
}
.qz-opt:hover { border-color: var(--ink-2); }
.qz-opt.on { border-color: var(--accent-purple); background: #f7f4fa; box-shadow: 0 0 0 3px rgba(162, 147, 184, 0.14); }
.qz-opt-key {
  flex: none; width: 24px; height: 24px; border-radius: 50%; font-size: 12px; font-style: normal;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
}
.qz-opt.on .qz-opt-key { background: var(--accent-purple); border-color: var(--accent-purple); color: #fff; }
.qz-opts.judge { flex-direction: row; }
.qz-opts.judge .qz-opt { width: auto; flex: 1; justify-content: center; }

.qz-input { display: flex; flex-direction: column; gap: 6px; }
.qz-input input[type="text"] {
  height: 46px; padding: 0 14px; border-radius: 11px; border: 1px solid var(--line);
  font-size: 15px; font-family: inherit; color: var(--ink); background: var(--panel);
}
.qz-input textarea {
  width: 100%; padding: 12px 14px; border-radius: 11px; border: 1px solid var(--line);
  font-size: 14px; line-height: 1.8; font-family: inherit; color: var(--ink); background: var(--panel);
  resize: vertical;
}
.qz-input input:focus, .qz-input textarea:focus { outline: none; border-color: var(--accent-purple); }

/* 题号导航 */
.qz-nav { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 16px; }
.qz-dot {
  width: 30px; height: 30px; border-radius: 9px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
}
.qz-dot.done { background: #ece7f2; border-color: #d7cde4; color: #6a5b8c; }
.qz-dot.cur { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 结果页 ---------- */
.qz-score { display: flex; align-items: center; gap: 18px; margin: 6px 0 14px; }
.qz-score-num { font-size: 44px; font-weight: 750; line-height: 1; letter-spacing: -1px; }
.qz-score-num i { font-size: 18px; font-style: normal; font-weight: 600; margin-left: 2px; }
.qz-score-num.ok { color: #3d6b3d; }
.qz-score-num.bad { color: #8a4a42; }
.qz-score-main { display: flex; flex-direction: column; gap: 2px; }
.qz-score-main b { font-size: 16px; }

.qz-reviews { display: flex; flex-direction: column; gap: 12px; }
.qz-review { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.qz-review.ok { border-left: 3px solid #8aa88a; }
.qz-review.bad { border-left: 3px solid var(--danger); }
.qz-review.unanswered { border-left: 3px solid var(--line); opacity: .92; }
/* 整卡题目解析弹窗：可滚动 + 定位到点击的那道题 */
.qz-analyze-dg .dg { max-width: min(94vw, 720px); max-height: 88vh; display: flex; flex-direction: column; }
.qz-analyze-body { overflow-y: auto; max-height: 66vh; }
.qz-analyze-item + .qz-analyze-item { margin-top: 10px; }
.qz-analyze-item.focus { outline: 2px solid var(--accent-blue); outline-offset: 3px; border-radius: 12px; }
.qz-review-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.qz-review-head b { font-size: 13px; }
.qz-review-mark { display: flex; }
.qz-review-stem { font-size: 14px; font-weight: 600; line-height: 1.7; margin-bottom: 8px; }
.qz-review-line { display: flex; gap: 10px; font-size: 13px; line-height: 1.75; margin-bottom: 4px; }
.qz-review-line b { flex: none; width: 64px; color: var(--accent-purple); font-weight: 600; font-size: 10.5px; padding-top: 3px; letter-spacing: 0.3px; }
.qz-wrongans { color: var(--danger); }
.qz-review-explain { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }

/* ---------- 错题本 ---------- */
.qz-wronglist { display: flex; flex-direction: column; gap: 10px; }
.qz-wrong { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.qz-wrong.due { border-color: #e5cdc9; background: #fdf9f8; }
.qz-wrong.mastered { opacity: 0.66; }
.qz-wrong-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.qz-wrong-stem { font-size: 13.5px; line-height: 1.7; margin-bottom: 6px; }
.qz-wrong-card { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-2); }

/* 复习弹窗 */
.qz-rw-dg { border: none; padding: 0; background: transparent; max-width: 92vw; }
.qz-rw-dg::backdrop { background: rgba(20, 22, 26, 0.42); }
.qz-rwdg {
  width: min(660px, 92vw); max-height: 86vh; overflow: auto;
  background: var(--panel); border-radius: 16px; padding: 18px 20px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}
.qz-rw-fb { display: flex; flex-direction: column; gap: 4px; font-size: 13px; padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; }
.qz-rw-fb.ok { background: #eef4ee; color: #3d6b3d; }
.qz-rw-fb.bad { background: #f7efee; color: #8a4a42; }

/* 卡弹窗里的关联题目 */
.qz-cardq { display: flex; flex-direction: column; gap: 5px; margin-bottom: 6px; }
.qz-cardq-row {
  display: flex; align-items: center; gap: 8px; width: 100%; text-align: left;
  padding: 7px 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel);
  font-size: 12.5px; transition: all 0.15s;
}
.qz-cardq-row:hover { border-color: var(--ink-2); }
.qz-cardq-row span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qz-cardq-row.ok { background: #f2f7f2; }
.qz-cardq-row.bad { background: #fbf4f3; }
.qz-cardq-row i.muted { flex: none; font-style: normal; }

/* 关卡详情的出题小条 */
.ln-quizmeter { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

@media (max-width: 720px) {
  .qz-form { grid-template-columns: 1fr; }
  .qz-score { gap: 14px; }
  .qz-score-num { font-size: 36px; }
  .qz-opts.judge { flex-direction: column; }
  .qz-review-line b { width: 56px; }
  .ln-quizmeter { align-items: flex-start; flex-direction: column; gap: 6px; }
}

/* ==================== 第 4 批：项目工作台 + 雷达 + 资源 + 作品集 + 驾驶舱 ==================== */

/* ---------- 项目工作台 ---------- */
.pj-list { display: flex; flex-direction: column; gap: 8px; }
.pj-row {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel);
  transition: all 0.15s;
}
.pj-row:hover { border-color: var(--ink-2); }
.pj-row.on { border-color: var(--accent-purple); background: #f8f6fb; }
.pj-row-ico { flex: none; display: flex; }
.pj-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.pj-row-main b { font-size: 14px; }
.pj-row-main i { font-style: normal; }
.pj-row-meter { display: flex; align-items: center; gap: 8px; }
.pj-row-meter .ln-bar { flex: 1; max-width: 160px; }
.pj-row-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.pj-score { font-style: normal; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--bg); color: var(--ink-2); }
.pj-score.ok { background: #eef4ee; color: #3d6b3d; }
.pj-score.bad { background: #f7efee; color: #8a4a42; }
.pj-score.none { background: var(--bg); color: var(--ink-2); }

.pj-meter { margin: 8px 0 4px; }
.pj-fields { display: flex; flex-direction: column; gap: 14px; margin-top: 12px; }
.pj-fld { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.pj-fld.core { border-left: 3px solid var(--accent-purple); }
.pj-fld-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 3px; }
.pj-fld-head b { font-size: 13.5px; }
.pj-fld > p { margin-bottom: 6px; }
.pj-fld textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: 13.5px; line-height: 1.75; resize: vertical; background: var(--panel); color: var(--ink);
}
.pj-fld textarea:focus { outline: none; border-color: var(--accent-purple); }
.pj-tag {
  font-style: normal; font-size: 10.5px; padding: 2px 7px; border-radius: 999px;
  background: var(--bg); color: var(--ink-2); letter-spacing: 0.3px; flex: none;
}
.pj-tag.core { background: #f0ecf5; color: #6b5b86; }

.pj-review { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.pj-review-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.pj-rv { display: flex; gap: 16px; padding: 14px; border-radius: 12px; background: var(--bg); }
.pj-rv.ok { background: #f2f7f2; }
.pj-rv.bad { background: #fbf4f3; }
.pj-rv-score { flex: none; display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 74px; }
.pj-rv-score b { font-size: 30px; line-height: 1; }
.pj-rv-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.pj-rv-list b { font-size: 12px; color: var(--ink-2); display: block; margin-bottom: 2px; }
.pj-rv-list ul { margin: 0; padding-left: 18px; }
.pj-rv-list li { font-size: 13px; line-height: 1.7; }

/* 关卡详情里的项目产出块 */
.ln-proj { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); margin-bottom: 10px; }
.ln-proj-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.ln-proj-meter { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ln-proj-meter .ln-bar { flex: 1; max-width: 220px; }
.ln-proj-arts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.ln-reslist { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.ln-subactions { margin-top: 4px; }

/* ---------- 作品集 ---------- */
.pf-kinds { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.pf-kind {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); font-size: 12.5px; transition: all 0.15s;
}
.pf-kind:hover { border-color: var(--ink-2); }
.pf-kind.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.pf-kind i { font-style: normal; opacity: 0.7; font-size: 11px; }
.pf-projects { display: flex; flex-direction: column; gap: 14px; }
.pf-pj { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.pf-pj-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.pf-pj-head i { font-style: normal; }
.pf-items { display: flex; flex-direction: column; gap: 8px; }
.pf-item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.pf-item.open { background: var(--bg); }
.pf-item-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pf-item-head b { font-size: 13px; }
.pf-brief { margin-top: 4px; }
.pf-text {
  margin-top: 8px; white-space: pre-wrap; word-break: break-word;
  font: inherit; font-size: 13.5px; line-height: 1.85; color: var(--ink);
  background: var(--panel); border-radius: 8px; padding: 10px 12px; border: 1px solid var(--line);
}

/* ---------- 能力雷达 ---------- */
.rd-wrap { display: flex; justify-content: center; padding: 6px 0 2px; }
.rd-svg { width: 100%; max-width: 340px; height: auto; }
.rd-axis-label { font-size: 11px; fill: var(--ink-2); }
.rd-axis-score { font-size: 12px; font-weight: 600; fill: var(--ink); }
.rd-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.rd-dim { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--panel); }
.rd-dim summary { display: flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; flex-wrap: wrap; }
.rd-dim summary::-webkit-details-marker { display: none; }
.rd-dim-name { font-size: 13.5px; font-weight: 600; flex: none; }
.rd-dim-score { font-size: 14px; font-weight: 700; padding: 1px 9px; border-radius: 999px; background: var(--bg); }
.rd-dim-score.ok { background: #eef4ee; color: #3d6b3d; }
.rd-dim-score.mid { background: #f6f2e9; color: #8a7233; }
.rd-dim-score.low { background: #f7efee; color: #8a4a42; }
.rd-dim-score.none { color: var(--ink-2); }
.rd-delta { font-style: normal; font-size: 11.5px; }
.rd-delta.up { color: #3d6b3d; }
.rd-delta.down { color: var(--danger); }
.rd-dim-desc { flex: 1; min-width: 140px; }
.rd-ev { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.rd-ev-row { display: flex; align-items: center; gap: 10px; font-size: 12.5px; }
.rd-ev-row > b { flex: none; width: 68px; font-weight: 600; color: var(--accent-purple); font-size: 11px; }
.rd-ev-bar { flex: none; width: 120px; display: flex; align-items: center; gap: 6px; }
.rd-ev-bar .ln-bar { flex: 1; }
.rd-ev-row > i { font-style: normal; }

.rd-summary { font-size: 14px; line-height: 1.85; padding: 12px 14px; border-radius: 12px; background: var(--bg); margin-bottom: 12px; }
.rd-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.rd-stat { display: flex; flex-direction: column; gap: 1px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.rd-stat b { font-size: 15px; }
.rd-stat i { font-style: normal; }
.rd-dimline { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.rd-chip { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--bg); color: var(--ink-2); }
.rd-chip b { color: var(--ink); }
.rd-advice { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.rd-advice > b { font-size: 13px; }
.rd-advice ul { margin: 6px 0 0; padding-left: 18px; }
.rd-advice li { font-size: 13.5px; line-height: 1.8; }
.rd-hist { display: flex; flex-direction: column; gap: 8px; }
.rd-hist-row { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.rd-hist-row summary { display: flex; align-items: center; gap: 10px; cursor: pointer; list-style: none; }
.rd-hist-row summary::-webkit-details-marker { display: none; }
.rd-hist-row p { margin-top: 8px; }
.rd-hist-row ul { margin: 0; padding-left: 18px; }
.rd-hist-row li { font-size: 13px; line-height: 1.75; }

/* ---------- 资源库 ---------- */
.rs-list { display: flex; flex-direction: column; gap: 10px; }
.rs-row { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.rs-row-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 5px; }
.rs-row-head b { font-size: 14px; }
.rs-row-head i { font-style: normal; }
.rs-desc { font-size: 13.5px; line-height: 1.75; }
.rs-meta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.rs-ctx { border-left: 3px solid var(--accent-purple); }

/* ---------- 学习教练 ---------- */
.co-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 10px 0 12px; }
.co-fld { display: flex; flex-direction: column; gap: 5px; }
.co-fld > span { font-size: 12.5px; color: var(--ink-2); }
.co-fld textarea, .co-fld select, .co-fld input, .co-ask textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: 13.5px; line-height: 1.7; background: var(--panel); color: var(--ink); resize: vertical;
}
.co-fld textarea:focus, .co-fld select:focus, .co-fld input:focus, .co-ask textarea:focus { outline: none; border-color: var(--accent-purple); }
.co-today { border-left: 3px solid var(--accent-green); }
.co-tasks { display: flex; flex-direction: column; gap: 8px; }
.co-task { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.co-task.done { opacity: 0.6; }
.co-task.done b { text-decoration: line-through; }
.co-task-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.co-task-main b { font-size: 13.5px; }
.co-task-main i { font-style: normal; }
.co-check {
  flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--panel); display: flex; align-items: center; justify-content: center;
}
.co-check.sm { width: 22px; height: 22px; }
.co-task.done .co-check { background: #eef4ee; border-color: #b9cfb9; }
.co-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; margin: 12px 0; }
.co-day { border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: var(--panel); min-height: 92px; }
.co-day.today { border-color: var(--accent-purple); background: #faf8fc; }
.co-day-head { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; font-size: 12px; }
.co-day-head b { font-size: 12.5px; }
.co-mini { display: flex; align-items: flex-start; gap: 5px; font-size: 12px; line-height: 1.5; padding: 3px 0; }
.co-mini span { flex: 1; min-width: 0; }
.co-mini.done span { text-decoration: line-through; opacity: 0.6; }
.co-mini.empty { color: var(--ink-2); }
.co-ask { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.co-ask textarea { flex: 1; }
.co-quick { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.co-answer { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--bg); }
.co-answer-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.co-answer-head i { font-style: normal; }
.co-answer p { font-size: 13.5px; line-height: 1.85; }
.co-linked { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.co-res { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line); }
.co-res i { font-style: normal; }

@media (max-width: 720px) {
  .pj-rv { flex-direction: column; gap: 10px; }
  .pj-rv-score { flex-direction: row; align-items: baseline; gap: 8px; justify-content: flex-start; }
  .co-week { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .co-form { grid-template-columns: 1fr; }
  .co-ask { flex-direction: column; }
  .co-ask .btn { width: 100%; }
  .rd-ev-row { flex-wrap: wrap; }
  .rd-ev-bar { width: 90px; }
  .pj-row { flex-wrap: wrap; }
  .pj-row-right { flex-direction: row; align-items: center; }
}

/* 知识卡弹窗 · 实战案例（原案例/方案/口述题以完整知识点收录） */
.ln-case { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-top: 8px; background: var(--bg); }
.ln-case-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.ln-case-stem { margin: 0 0 8px; font-size: 14px; line-height: 1.85; color: var(--ink); word-break: break-word; }
.ln-case-explain { font-size: 13px; line-height: 1.85; color: var(--ink-2); word-break: break-word; }
.ln-case-explain b { color: var(--ink); margin-right: 8px; }
/* 多选题选项：勾选标记右对齐 */
.qz-opts .qz-opt { position: relative; }
.qz-opt-tick { position: absolute; right: 12px; font-style: normal; font-weight: 700; color: var(--accent-green, #5d8a5d); }

/* ============================================================
 * 表达训练（背诵训练 / 朗读练习 / 模拟对话 / 即兴解说 / 正反立论）
 * ============================================================ */

.ex-filters { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ex-recite-card .ex-recite-meta { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.ex-title { font-size: 17px; font-weight: 700; margin: 0 0 4px; }
.ex-recite-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex: none; }
.ex-kind { font-style: normal; font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.ex-kind.recite { background: rgba(147, 179, 200, .18); color: #5d7f97; }
.ex-kind.read { background: rgba(178, 166, 201, .18); color: #7f6fa0; }
.ex-min { font-style: normal; font-size: 12px; color: var(--ink-2); }
.ex-content { font-size: 16px; line-height: 2; white-space: pre-wrap; word-break: break-word; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; min-width: 0; }
.ex-content.hidden { color: transparent; text-shadow: 0 0 12px rgba(0, 0, 0, .28); user-select: none; }
/* 逐字拼音：ruby 标注在原句每个字上方（需求：拼音只展示在原句上方） */
.ex-content ruby { ruby-align: center; }
.ex-content rt { font-size: 11px; line-height: 1.2; color: var(--ink-2); letter-spacing: 0; }
.ex-content mark.quote { background: rgba(226, 178, 91, .28); color: inherit; padding: 1px 2px; border-radius: 4px; }
/* 全篇译文（文言 / 诗词篇目） */
.ex-trans, .ex-quotes { background: var(--bg); border: 1px dashed var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; }
.ex-trans h4, .ex-quotes h4 { margin: 0 0 6px; display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink); }
.ex-trans p { margin: 0; font-size: 14px; line-height: 1.9; color: var(--ink); word-break: break-word; }
.ex-quotes ul { margin: 0; padding-left: 18px; }
.ex-quotes li { font-size: 14px; line-height: 1.9; color: var(--ink); font-weight: 600; }
.ex-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 16px; flex-wrap: wrap; }
.ex-nav .muted { min-width: 52px; text-align: center; }

.ex-scn-group { margin-top: 12px; }
.ex-scn-group h4 { margin: 6px 0 8px; }
.ex-scn-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ex-scenario { display: flex; flex-direction: column; gap: 4px; text-align: left; border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 10px 12px; cursor: pointer; min-width: 0; }
.ex-scenario:hover { border-color: var(--ink-2); }
.ex-scenario.on { border-color: var(--ink); background: var(--bg); }
.ex-scenario b { font-size: 14px; }
.ex-scenario i { font-style: normal; }

.ex-active-scn .ex-prompt { font-size: 14px; line-height: 1.8; color: var(--ink); background: var(--bg); border-left: 3px solid #7f6fa0; padding: 10px 12px; border-radius: 0 8px 8px 0; margin: 0 0 14px; min-width: 0; word-break: break-word; }
.ex-active-scn textarea { width: 100%; box-sizing: border-box; }
.ex-record { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; }
.ex-record.on { border-color: var(--danger); background: rgba(219, 170, 150, .1); }
.ex-rec-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--danger); flex: none; animation: ex-pulse 1.1s infinite; }
@keyframes ex-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.78); } }
.ex-timer { font-variant-numeric: tabular-nums; font-weight: 700; }
.ex-tip { margin-top: 10px; }

.ex-weekly .ln-overview { display: flex; flex-wrap: wrap; gap: 18px; }
.ex-weekly .ln-ov-item { display: flex; flex-direction: column; gap: 2px; }
.ex-weekly .ln-ov-item b { font-size: 16px; }

.ex-history { display: flex; flex-direction: column; gap: 10px; }
.ex-session { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.ex-session-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ex-session-head b { font-size: 14px; }
.ex-score-pill { font-style: normal; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: rgba(147, 179, 200, .18); color: #5d7f97; }
.ex-session p { margin: 6px 0 0; line-height: 1.6; word-break: break-word; }

.ex-score { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 12px; }
.ex-score-head { display: flex; align-items: center; gap: 16px; margin-bottom: 10px; flex-wrap: wrap; }
.ex-score-num { font-size: 34px; font-weight: 800; line-height: 1; }
.ex-score-meta { display: flex; flex-direction: column; gap: 2px; }
.ex-dims { display: flex; flex-direction: column; gap: 4px; }
.ex-dim { display: flex; align-items: center; gap: 10px; }
.ex-dim-name { width: 64px; flex: none; font-size: 13px; }
.ex-dim-bar { flex: 1; min-width: 0; height: 8px; background: var(--bg); border-radius: 999px; overflow: hidden; }
.ex-dim-bar i { display: block; height: 100%; border-radius: 999px; }
.ex-dim-val { width: 30px; text-align: right; font-size: 13px; font-variant-numeric: tabular-nums; }
.ex-dim-comment { margin: -2px 0 6px 74px; }
.ex-advice { margin: 8px 0 0; padding-left: 18px; font-size: 13px; line-height: 1.8; }
.ex-advice li { margin: 2px 0; }

/* 即兴解说：题目卡（名词 / 画面 + 可选配图） */
.ex-im-prompt { text-align: center; padding: 14px 0 4px; }
.ex-im-img { max-width: 240px; max-height: 160px; border-radius: 10px; object-fit: cover; display: block; margin: 0 auto 10px; }
.ex-im-noun { font-size: 22px; font-weight: 700; line-height: 1.5; color: var(--ink); margin-bottom: 6px; }
.ex-im-prompt .ex-prompt { margin: 0 auto; max-width: 520px; }

/* ============================================================
 * 系统自检（第 7 批联调工具）
 * ============================================================ */

.dg-sum { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 2px 0 8px; }
.dg-chip {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 700; line-height: 1.6;
}
.dg-chip.dg-pass, .dg-chip.dg-ok { background: rgba(138, 168, 138, 0.16); color: #5c7a5c; }
.dg-chip.dg-warn, .dg-chip.dg-wt { background: rgba(196, 160, 96, 0.18); color: #8a6a2a; }
.dg-chip.dg-fail, .dg-chip.dg-er { background: rgba(184, 105, 95, 0.16); color: var(--danger); }
.dg-count { font-size: 13px; color: var(--ink-2); }
.dg-count b { margin: 0 2px; }
.dg-ok { color: #5c7a5c; }
.dg-wt { color: #8a6a2a; }
.dg-er { color: var(--danger); }

.dg-list { display: flex; flex-direction: column; gap: 2px; }
.dg-item {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 10px; border-radius: 10px; background: var(--bg);
}
.dg-item + .dg-item { margin-top: 2px; }
.dg-mark {
  flex: 0 0 20px; width: 20px; height: 20px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; margin-top: 1px;
}
.dg-item.dg-pass .dg-mark { background: rgba(138, 168, 138, 0.2); color: #5c7a5c; }
.dg-item.dg-warn .dg-mark { background: rgba(196, 160, 96, 0.22); color: #8a6a2a; }
.dg-item.dg-fail .dg-mark { background: rgba(184, 105, 95, 0.2); color: var(--danger); }
.dg-main { min-width: 0; flex: 1; }
.dg-name { font-size: 14px; font-weight: 600; }
.dg-detail { font-size: 13px; color: var(--ink-2); word-break: break-word; }
.dg-fix { font-size: 12.5px; color: #8a6a2a; margin-top: 3px; }

@media (max-width: 560px) {
  .ex-scn-list { grid-template-columns: 1fr; }
  .ex-score-head { gap: 10px; }
  .ex-content { font-size: 15px; }
  .ex-im-noun { font-size: 19px; }
  .ex-im-img { max-width: 100%; }
  /* 上/下篇 + 随机 + 计数四件套在窄屏换行，避免挤出屏幕 */
  .ex-nav { gap: 8px; }
  .ex-nav .btn { padding: 7px 10px; font-size: 13px; }
  .ex-nav .muted { order: 3; width: 100%; }
  .ex-dim-comment { margin-left: 0; }
}

/* ================================================================
 * 表达训练 · 背诵/朗读 增强：拼音 / 注解 / 金句 / 练习计时环
 * ================================================================ */
/* 拼音 ruby：字上方小字拼音 */
.ex-content ruby { ruby-position: over; font-size: inherit; }
.ex-content ruby rt { font-size: 10px; line-height: 1; color: var(--ink-2); user-select: none; }

/* 可点击注解：原文中带虚线底的字/词 */
.ex-content .anno {
  cursor: pointer;
  border-bottom: 1px dotted var(--accent-blue, #5d7f97);
  padding: 0 1px;
  border-radius: 3px;
}
.ex-content .anno:hover { background: rgba(147, 179, 200, .2); }

/* 金句：原文中就地高亮 */
.ex-content mark.quote {
  background: linear-gradient(transparent 58%, rgba(255, 214, 102, .55) 0);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
  font-weight: 600;
}

/* 注解区 */
.ex-notes { margin: 4px 0 14px; }
.ex-notes h4, .ex-quotes h4 {
  font-size: 14px; font-weight: 700; margin: 0 0 8px;
  display: flex; align-items: center; gap: 6px;
}
.ex-note-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.ex-note {
  font-size: 14px; line-height: 1.7;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-blue, #5d7f97);
  border-radius: 0 8px 8px 0;
  padding: 8px 10px;
  transition: background .25s, box-shadow .25s;
}
.ex-note b { color: var(--accent-blue, #5d7f97); margin-right: 4px; }
.ex-note.on { background: rgba(255, 214, 102, .22); box-shadow: 0 0 0 2px rgba(255, 214, 102, .5); }

/* 金句卡片 */
.ex-quotes { margin: 0 0 14px; }
.ex-quotes ul { margin: 0; padding-left: 18px; }
.ex-quotes li { font-size: 15px; line-height: 1.9; font-weight: 600; color: var(--ink); }

/* 练习计时环 */
.ex-practice {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  margin: 4px 0 14px; padding: 12px;
  border: 1px dashed var(--line); border-radius: 12px; background: var(--panel);
}
.ex-practice-ring { position: relative; width: 68px; height: 68px; }
.ex-practice-ring svg { transform: rotate(-90deg); }
.ex-ring-bg { fill: none; stroke: var(--line); stroke-width: 5; }
.ex-ring-fg { fill: none; stroke: var(--accent-green, #5fa97f); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset .2s linear; }
.ex-practice-time {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-variant-numeric: tabular-nums; font-weight: 700; text-align: center;
}