/* 每日练习 - 共享样式 */
.lx-hub { max-width: 800px; margin: 0 auto; padding: 0 0 40px; }
.lx-hub-title { font-size: 22px; font-weight: 600; color: var(--color-text); margin-bottom: 6px; }
.lx-hub-sub   { font-size: 13px; color: var(--color-text-sec); margin-bottom: 24px; }

.lx-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lx-cat  {
  background: var(--color-panel); border: 1px solid var(--color-border-light);
  border-radius: 12px; padding: 16px 14px; cursor: pointer; text-decoration: none;
  transition: border-color .15s, box-shadow .15s;
}
.lx-cat:hover { border-color: var(--color-brand); box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.lx-cat-icon  { font-size: 26px; margin-bottom: 8px; display: block; }
.lx-cat-name  { font-size: 14px; font-weight: 600; color: var(--color-text); display: block; margin-bottom: 4px; }
.lx-cat-desc  { font-size: 12px; color: var(--color-text-muted); display: block; line-height: 1.5; }

/* 练习页通用 */
.lx-page  { max-width: 740px; margin: 0 auto; padding: 0 0 60px; }
.lx-title { font-size: 20px; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.lx-sub   { font-size: 13px; color: var(--color-text-sec); margin-bottom: 20px; }

.lx-card { background: var(--color-panel); border: 1px solid var(--color-border-light); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.lx-card-title { font-size: 15px; font-weight: 600; color: var(--color-text); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.lx-badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px; color: #fff; background: var(--color-brand); }
.lx-badge.easy   { background: #52c41a; }
.lx-badge.medium { background: #fa8c16; }
.lx-badge.hard   { background: #f5222d; }

/* 题目条 */
.lx-q { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.lx-q-label { font-size: 13px; color: var(--color-text-sec); min-width: 72px; flex-shrink: 0; }
.lx-q-input {
  flex: 1; min-width: 120px; border: 1px solid var(--color-border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px; background: var(--color-page); color: var(--color-text);
  outline: none;
}
.lx-q-input:focus { border-color: var(--color-brand); }
.lx-q-input.correct { border-color: #52c41a; background: #f6ffed; color: #135200; }
.lx-q-input.wrong   { border-color: #f5222d; background: #fff2f0; color: #820014; }
.lx-q-select {
  flex: 1; min-width: 120px; border: 1px solid var(--color-border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px; background: var(--color-page); color: var(--color-text);
  outline: none;
}
.lx-q-select.correct { border-color: #52c41a; color: #135200; }
.lx-q-select.wrong   { border-color: #f5222d; color: #820014; }
.lx-q-hint { font-size: 11px; color: var(--color-text-muted); }

/* 选择题 */
.lx-mc { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 14px; }
.lx-mc-opt {
  border: 1px solid var(--color-border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--color-text); cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s;
}
.lx-mc-opt:hover  { border-color: var(--color-brand); background: var(--color-subtle); }
.lx-mc-opt.sel    { border-color: var(--color-brand); background: var(--color-subtle); }
.lx-mc-opt.correct{ border-color: #52c41a; background: #f6ffed; color: #135200; }
.lx-mc-opt.wrong  { border-color: #f5222d; background: #fff2f0; color: #820014; }
/* 题目对错标记 + 答案解析 */
.lx-q-mark { font-size: 14px; font-weight: 700; margin-left: 6px; }
.lx-q-mark.ok  { color: #52c41a; animation: lx-mark-pop .32s ease-out both; }
.lx-q-mark.err { color: #f5222d; animation: lx-mark-pop .32s ease-out both; }
.lx-ans-hint { margin: 0 0 14px; font-size: 12px; color: var(--color-text-sec); line-height: 1.6; }

/* 答对庆祝动画（纯 CSS，web / 手机端通用） */
.lx-celebrate {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
}
.lx-celebrate-text {
  font-size: 32px; font-weight: 800; letter-spacing: 2px; color: var(--color-brand);
  text-shadow: 0 2px 14px rgba(0,0,0,.12);
  animation: lx-celebrate-pop 1.1s cubic-bezier(.2,.9,.3,1) both;
}
.lx-celebrate-star {
  position: absolute; font-size: 20px; line-height: 1; color: #f5a623;
  text-shadow: 0 1px 6px rgba(245,166,35,.45);
  animation: lx-star-fly 1s cubic-bezier(.15,.85,.3,1) both;
}
@keyframes lx-mark-pop {
  0%   { transform: scale(.4); opacity: 0; }
  60%  { transform: scale(1.35); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes lx-celebrate-pop {
  0%   { transform: scale(.5); opacity: 0; }
  30%  { transform: scale(1.12); opacity: 1; }
  60%  { transform: scale(1); opacity: 1; }
  100% { transform: scale(1); opacity: 0; }
}
@keyframes lx-star-fly {
  0%   { transform: translate(0,0) scale(.35) rotate(0deg); opacity: 0; }
  25%  { opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(1.1) rotate(var(--rot)); opacity: 0; }
}

/* 排序题 */
.lx-sort { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.lx-sort-item {
  padding: 6px 12px; border: 1px solid var(--color-border); border-radius: 6px;
  font-size: 13px; cursor: grab; background: var(--color-panel); color: var(--color-text);
  user-select: none;
}
.lx-sort-item.dragging { opacity: .5; }
.lx-sort-item.correct-pos { border-color: #52c41a; }
.lx-sort-item.wrong-pos   { border-color: #f5222d; }

/* 按钮行 */
.lx-btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.lx-btn {
  padding: 8px 20px; border-radius: 20px; font-size: 13px; cursor: pointer; border: none;
  font-weight: 500; transition: opacity .12s;
}
.lx-btn:hover { opacity: .85; }
.lx-btn-check  { background: var(--color-brand); color: #fff; }
.lx-btn-answer { background: var(--color-panel); color: var(--color-text); border: 1px solid var(--color-border); }
.lx-btn-reset  { background: var(--color-panel); color: var(--color-text-sec); border: 1px solid var(--color-border-light); }

/* 答案展示 */
.lx-answer-box {
  display: none; margin-top: 12px; padding: 12px 14px;
  background: var(--color-subtle); border-radius: 8px;
  font-size: 13px; color: var(--color-text); line-height: 1.8;
  border-left: 3px solid var(--color-brand);
}
.lx-answer-box.show { display: block; }

/* 进度条 */
.lx-progress { font-size: 12px; color: var(--color-text-muted); margin-bottom: 16px; }
.lx-progress-bar { height: 4px; background: var(--color-border-light); border-radius: 2px; margin-top: 4px; }
.lx-progress-fill { height: 100%; background: var(--color-brand); border-radius: 2px; transition: width .3s; }

/* 结果浮层 */
.lx-result-tip {
  display: none; padding: 10px 16px; border-radius: 8px; margin-top: 12px;
  font-size: 13px; font-weight: 600;
}
.lx-result-tip.show { display: block; }
/* 八字命盘柱 */
.bz-pillars { display: flex; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.bz-pi { text-align: center; min-width: 52px; }
.bz-pl { font-size: 11px; color: var(--color-text-muted); margin-bottom: 4px; }
.bz-tg { font-size: 22px; font-weight: 700; color: var(--color-text); line-height: 1.2; }
.bz-dz { font-size: 18px; color: var(--color-text-sec); line-height: 1.3; }

/* 八字练习题条 */
.bz-ex-card { border: 1px solid var(--color-border-light); border-radius: 10px; padding: 16px; margin-bottom: 14px; background: var(--color-page); }
.bz-qlist   { margin: 10px 0; }
.bz-qi      { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.bz-qi.correct .lx-q-input, .bz-qi.correct .lx-q-select { border-color: #52c41a; background: #f6ffed; }
.bz-qi.wrong   .lx-q-input, .bz-qi.wrong   .lx-q-select { border-color: #f5222d; background: #fff2f0; }
.bz-ql { font-size: 12px; color: var(--color-text-sec); min-width: 64px; flex-shrink: 0; }

/* 八字选择题选项（单选）*/
.bz-mc     { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0 12px; }
.bz-mc-opt {
  border: 1px solid var(--color-border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--color-text); cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s;
}
.bz-mc-opt:hover   { border-color: var(--color-brand); background: var(--color-subtle); }
.bz-mc-opt.sel     { border-color: var(--color-brand); background: var(--color-subtle); }
.bz-mc-opt.correct { border-color: #52c41a; background: #f6ffed; color: #135200; }
.bz-mc-opt.wrong-sel { border-color: #f5222d; background: #fff2f0; color: #820014; }

/* 理论速查折叠 */
.bz-ref-box { border: 1px solid var(--color-border-light); border-radius: 8px; overflow: hidden; margin-top: 12px; }
.bz-ref-hd  { padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--color-text); cursor: pointer; background: var(--color-subtle); }
.bz-ref-bd  { display: none; padding: 14px; font-size: 12px; color: var(--color-text-sec); line-height: 1.9; }
.bz-ref-bd.open { display: block; }

/* ══════════ 闯关答题（目录 / 答题 / 结算）══════════ */
.lx-catalog { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.lx-cat-item {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: var(--color-panel); border: 1px solid var(--color-border-light); border-radius: 12px;
  padding: 14px 16px; cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.lx-cat-item:hover { border-color: var(--color-brand); box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.lx-cat-no {
  flex: 0 0 30px; height: 30px; line-height: 30px; text-align: center; border-radius: 50%;
  background: var(--color-brand); color: #fff; font-weight: 700; font-size: 14px;
}
.lx-cat-main { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.lx-cat-title { font-size: 15px; font-weight: 600; color: var(--color-text); }
.lx-cat-desc { font-size: 12px; color: var(--color-text-muted); line-height: 1.5; }
.lx-cat-best { flex-shrink: 0; font-size: 12px; color: var(--color-gold); }
.lx-cat-arrow { flex-shrink: 0; font-size: 18px; color: var(--color-text-muted); }

.lx-quiz { max-width: 640px; margin: 0 auto; }
.lx-quiz-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.lx-quiz-progress { font-size: 15px; font-weight: 700; color: var(--color-brand); }
.lx-quiz-progress i { font-style: normal; font-size: 12px; color: var(--color-text-muted); }
.lx-quiz-settitle { flex: 1; font-size: 13px; color: var(--color-text-sec); }
.lx-quiz-timer {
  width: 34px; height: 34px; line-height: 34px; text-align: center; border-radius: 50%;
  background: var(--color-subtle); color: var(--color-text-sec); font-weight: 700; font-size: 14px;
}
.lx-quiz-timer.warn { background: #f5222d; color: #fff; animation: lx-timer-pop .9s ease-out infinite; }
.lx-quiz-q { font-size: 16px; font-weight: 600; line-height: 1.7; color: var(--color-text); margin-bottom: 16px; }
.lx-mc.lx-quiz-opts { grid-template-columns: 1fr; gap: 10px; }
.lx-quiz-opts .lx-mc-opt { padding: 12px 14px; font-size: 14px; line-height: 1.6; }
.lx-quiz-opts .lx-mc-opt.disabled { pointer-events: none; }
.lx-quiz-opts .lx-mc-opt.wrong { animation: lx-opt-shake .3s ease-in-out; }
.lx-quiz-tip {
  display: none; margin-top: 4px; padding: 12px 14px; border-radius: 8px;
  background: var(--color-subtle); font-size: 13px; line-height: 1.9; color: var(--color-text);
}
.lx-quiz-tip.show { display: block; }
.lx-quiz-mine { color: var(--color-text-muted); }
.lx-quiz-right { color: #135200; font-weight: 600; }
.lx-quiz-hint { color: var(--color-text-sec); }
.lx-quiz-next { display: flex; justify-content: flex-end; margin-top: 14px; }

.lx-sum-card {
  padding: 22px 16px; margin-bottom: 16px; text-align: center; border-radius: 14px;
  background: var(--color-panel); border: 1px solid var(--color-border-light);
}
.lx-sum-card.perfect { border-color: var(--color-gold); box-shadow: inset 0 0 0 1px var(--color-gold); }
.lx-sum-score { font-size: 46px; font-weight: 800; line-height: 1.1; color: var(--color-brand); }
.lx-sum-score i { font-style: normal; font-size: 18px; color: var(--color-text-muted); }
.lx-sum-meta { margin: 8px 0 16px; font-size: 13px; color: var(--color-text-sec); }
.lx-sum-acts { display: flex; gap: 10px; justify-content: center; }
.lx-sum-list { display: flex; flex-direction: column; gap: 10px; }
.lx-sum-item {
  padding: 12px 14px; border-radius: 10px; background: var(--color-panel);
  border-left: 3px solid var(--color-border-light); font-size: 13px; line-height: 1.8; color: var(--color-text);
}
.lx-sum-item.ok  { border-left-color: #52c41a; }
.lx-sum-item.err { border-left-color: #f5222d; }
.lx-sum-no { display: inline-block; min-width: 18px; font-weight: 700; color: var(--color-text-muted); }
.lx-sum-a { color: var(--color-text-muted); }
.lx-sum-right { color: #135200; font-weight: 600; }
.lx-sum-hint { font-size: 12px; color: var(--color-text-sec); }

.lx-ref { margin-top: 24px; border: 1px solid var(--color-border-light); border-radius: 10px; overflow: hidden; }
.lx-ref > summary { padding: 12px 14px; font-size: 13px; font-weight: 600; cursor: pointer; background: var(--color-subtle); color: var(--color-text); }
.lx-ref-body { padding: 14px; font-size: 12px; color: var(--color-text-sec); }
.lx-ref-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.lx-ref-table th, .lx-ref-table td { padding: 4px 6px; text-align: center; border: 1px solid var(--color-border-light); }
.lx-ref-table th { background: var(--color-subtle); }
.lx-ref-note { margin-top: 8px; line-height: 1.8; }
.lx-wrong-text { color: #f5222d; }
@keyframes lx-timer-pop { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.22); } }
@keyframes lx-opt-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

/* 答题页音效开关 */
.lx-sound-btn {
  flex-shrink: 0; width: 30px; height: 30px; line-height: 1; cursor: pointer;
  border: 1px solid var(--color-border-light); border-radius: 50%;
  background: var(--color-panel); font-size: 15px;
}
.lx-sound-btn:hover { border-color: var(--color-brand); }

/* 难度选择器 */
.lx-tiers { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.lx-tier-btn {
  padding: 7px 16px; border-radius: 20px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--color-border-light); background: var(--color-panel); color: var(--color-text-sec);
}
.lx-tier-btn:hover { border-color: var(--color-brand); }
.lx-tier-btn.on { background: var(--color-brand); border-color: var(--color-brand); color: #fff; font-weight: 600; }
.lx-tier-note { font-size: 12px; color: var(--color-text-muted); }
.lx-quiz-level { font-style: normal; margin-left: 8px; font-size: 12px; color: var(--color-text-muted); }