.qb-page {
  padding-top: 18px;
  max-width: 1180px;
}
.qb-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.qb-practice-card {
  margin-bottom: 22px;
  overflow: hidden;
}
.qb-practice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 18px;
  align-items: stretch;
}
.qb-practice-main {
  min-width: 0;
}
.qb-practice-kicker {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
}
.qb-practice-title {
  margin: 5px 0 0;
  color: var(--text);
  font-size: clamp(1.18rem, 2.3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.25;
}
.qb-practice-desc {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.6;
}
.qb-practice-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}
.qb-practice-meta span {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  padding: 6px 9px;
  border-radius: 10px;
  background: var(--surface-variant, #f1f5f9);
  color: var(--text-tertiary);
  font-size: 0.7rem;
  line-height: 1;
}
.qb-practice-meta strong {
  color: var(--text);
  font-size: 0.82rem;
}
.qb-progress-line {
  margin-top: 14px;
}
.qb-progress-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.78rem;
}
.qb-action-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}
.qb-action-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: all var(--transition, .2s ease);
}
.qb-action-pill:hover {
  border-color: var(--primary-border);
  background: var(--primary-50);
  transform: translateY(-1px);
}
.qb-action-pill.is-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(37, 99, 235, .18);
}
.qb-action-pill.is-primary:hover {
  background: var(--primary-dark, #1d4ed8);
}
.qb-action-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--surface-variant, #f1f5f9);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 800;
}
.qb-action-pill.is-primary .qb-action-icon {
  background: rgba(255, 255, 255, .18);
  color: #fff;
}
.qb-action-copy {
  min-width: 0;
  line-height: 1.25;
}
.qb-action-copy strong {
  display: block;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}
.qb-action-pill.is-primary .qb-action-copy strong {
  color: #fff;
}
.qb-action-copy em {
  display: block;
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.68rem;
  font-style: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.qb-action-pill.is-primary .qb-action-copy em {
  color: rgba(255, 255, 255, .78);
}
.qb-practice-side {
  display: grid;
  gap: 10px;
  align-content: stretch;
}
.qb-ring-card {
  display: grid;
  place-items: center;
  min-height: 130px;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--primary-50), #fff);
  border: 1px solid var(--primary-border);
}
.qb-ring {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, #fff 0 58%, transparent 59%),
    conic-gradient(var(--primary) 0 39%, #dbeafe 39% 100%);
  color: var(--primary);
  font-size: 1.32rem;
  font-weight: 800;
}
.qb-side-list {
  display: grid;
  gap: 8px;
}
.qb-side-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.72rem;
}
.qb-side-item strong {
  color: var(--text);
  font-size: 0.78rem;
}
.qb-toolbar {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}
.qb-search {
  width: 100%;
  margin-bottom: 0;
}
.qb-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.qb-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition, .2s ease);
}
.qb-chip:hover {
  border-color: var(--primary-border);
  background: var(--primary-50);
  color: var(--primary);
}
.qb-chip.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.qb-type-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
@media (min-width: 1024px) {
  .qb-type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.qb-type-panel {
  display: grid;
  gap: 12px;
  min-height: 178px;
  padding: 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: all var(--transition, .2s ease);
}
.qb-type-panel:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.qb-type-panel.is-primary {
  border-color: var(--primary-border);
  background: linear-gradient(180deg, #fff, #f8fbff);
}
.qb-type-panel.is-coming {
  background: linear-gradient(180deg, #fff, #fbfdff);
}
.qb-type-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.qb-type-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}
.qb-type-copy h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
}
.qb-type-copy p {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 0.76rem;
  line-height: 1.6;
}
.qb-type-status {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}
.qb-type-status.live {
  background: var(--success-50);
  color: var(--success-text);
}
.qb-type-status.soon {
  background: var(--primary-50);
  color: var(--primary);
}
.qb-type-status.later {
  background: var(--border-light);
  color: var(--text-tertiary);
}
.qb-type-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.qb-type-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  padding: 6px 9px;
  border-radius: 10px;
  background: var(--surface-variant, #f1f5f9);
  color: var(--text-tertiary);
  font-size: 0.7rem;
  line-height: 1;
}
.qb-type-metric strong {
  color: var(--text);
  font-size: 0.82rem;
}
.qb-type-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
}
.qb-type-foot .qb-progress-mini {
  flex: 1;
  margin-top: 0;
}
.qb-type-action {
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}
.qb-type-panel.is-coming .qb-type-action {
  color: var(--text-tertiary);
}
.tone-blue .qb-type-icon,
.qb-topic-blue .qb-topic-icon { background: #eff6ff; color: #2563eb; }
.tone-green .qb-type-icon,
.qb-topic-green .qb-topic-icon { background: #ecfdf5; color: #059669; }
.tone-amber .qb-type-icon,
.qb-topic-amber .qb-topic-icon { background: #fffbeb; color: #d97706; }
.tone-red .qb-type-icon,
.qb-topic-red .qb-topic-icon { background: #fef2f2; color: #dc2626; }
.tone-violet .qb-type-icon,
.qb-topic-violet .qb-topic-icon { background: #f5f3ff; color: #7c3aed; }
.tone-pink .qb-type-icon,
.qb-topic-pink .qb-topic-icon { background: #fdf2f8; color: #db2777; }
.qb-topic-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.qb-topic-body h3 {
  margin: 0;
  color: var(--text);
  font-weight: 800;
  line-height: 1.35;
}
.qb-topic-body p {
  margin: 3px 0 0;
  color: var(--text-tertiary);
  font-size: 0.72rem;
  line-height: 1.45;
}
.qb-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.qb-topic-card {
  display: grid;
  gap: 12px;
  min-height: 126px;
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: all var(--transition, .2s ease);
}
.qb-topic-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.qb-topic-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.qb-topic-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  font-size: 1.05rem;
}
.qb-topic-body {
  flex: 1;
  min-width: 0;
}
.qb-topic-body h3 {
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.qb-topic-pill {
  margin-left: auto;
  padding: 2px 7px;
  border-radius: var(--r-full);
  background: var(--primary-50);
  color: var(--primary);
  font-size: 0.64rem;
  font-weight: 700;
  white-space: nowrap;
}
.qb-topic-card.is-review .qb-topic-pill {
  background: var(--warning-50);
  color: var(--warning-text);
}
.qb-topic-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--border-light);
  overflow: hidden;
}
.qb-topic-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.qb-topic-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 0.7rem;
}
.qb-group-list {
  display: grid;
  gap: 10px;
}
.qb-group-card[hidden] {
  display: none;
}
.qb-group-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: all var(--transition, .2s ease);
}
.qb-group-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.qb-group-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.15rem;
}
.qb-group-body {
  flex: 1;
  min-width: 0;
}
.qb-group-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.qb-group-title {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
}
.qb-group-desc {
  margin-top: 2px;
  color: var(--text-secondary);
  font-size: 0.78rem;
  line-height: 1.55;
}
.qb-group-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.qb-meta {
  color: var(--text-tertiary);
  font-size: 0.72rem;
}
.qb-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 0.68rem;
  font-weight: 700;
}
.qb-badge.blue { background: var(--primary-50); color: var(--primary); }
.qb-badge.green { background: var(--success-50); color: var(--success-text); }
.qb-badge.amber { background: var(--warning-50); color: var(--warning-text); }
.qb-badge.red { background: var(--error-50); color: var(--error-text); }
.qb-progress-mini {
  width: min(150px, 100%);
  height: 6px;
  margin-top: 9px;
  border-radius: 999px;
  background: var(--border-light);
  overflow: hidden;
}
.qb-progress-mini span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.qb-group-action {
  align-self: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.qb-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}
.qb-pagination[hidden] {
  display: none;
}
.qb-pagination-controls,
.qb-pagination-pages {
  display: flex;
  align-items: center;
  gap: 6px;
}
.qb-page-button,
.qb-page-gap {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
}
.qb-page-button {
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.qb-page-button:hover:not(:disabled) {
  border-color: var(--primary-border);
  background: var(--primary-50);
  color: var(--primary);
}
.qb-page-button.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.qb-page-button:disabled {
  cursor: not-allowed;
  opacity: .4;
}
.qb-page-button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .2);
  outline-offset: 2px;
}
.qb-page-gap {
  color: var(--text-tertiary);
  font-size: 0.76rem;
}
.qb-right-grid {
  display: grid;
  gap: 10px;
  align-self: start;
}
.qb-soft-card {
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.qb-soft-title {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}
.qb-soft-desc {
  margin-top: 3px;
  color: var(--text-tertiary);
  font-size: 0.74rem;
  line-height: 1.55;
}
.qb-wrong-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.qb-wrong-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
  color: inherit;
  text-decoration: none;
}
.qb-wrong-item strong {
  display: block;
  color: var(--text);
  font-size: 0.74rem;
  line-height: 1.45;
}
.qb-wrong-item span {
  display: block;
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.66rem;
}
.qb-wrong-item b {
  flex-shrink: 0;
  color: var(--error);
  font-size: 0.72rem;
}
.qb-plan-list {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}
.qb-plan-step {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}
.qb-plan-index {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 800;
}
.qb-plan-copy strong {
  display: block;
  color: var(--text);
  font-size: 0.74rem;
  line-height: 1.4;
}
.qb-plan-copy span {
  display: block;
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.66rem;
  line-height: 1.45;
}
.qb-benefit {
  border-color: #fde68a;
  background: #fffdf7;
}
.qb-benefit .qb-soft-title { color: #78350f; }
.qb-benefit .qb-soft-desc { color: #92400e; }
@media (min-width: 820px) {
  .qb-main-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 16px;
    align-items: start;
  }
}
@media (max-width: 768px) {
  .qb-practice-grid { grid-template-columns: 1fr; }
  .qb-practice-side { grid-template-columns: 120px minmax(0, 1fr); align-items: stretch; }
  .qb-ring-card { min-height: 0; }
  .qb-ring { width: 82px; height: 82px; font-size: 1.12rem; }
  .qb-type-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .qb-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qb-progress-foot { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 480px) {
  .qb-page { padding-top: 12px; }
  .qb-practice-card { margin-bottom: 18px; }
  .qb-practice-title { font-size: 1.12rem; }
  .qb-practice-desc { font-size: 0.78rem; }
  .qb-practice-side { grid-template-columns: 1fr; }
  .qb-ring-card { display: none; }
  .qb-action-strip { gap: 7px; }
  .qb-action-pill { min-height: 52px; padding: 9px 10px; gap: 8px; }
  .qb-action-icon { width: 28px; height: 28px; border-radius: 9px; font-size: 0.82rem; }
  .qb-action-copy strong { font-size: 0.78rem; }
  .qb-action-copy em { font-size: 0.64rem; }
  .qb-type-grid { gap: 8px; margin-bottom: 20px; }
  .qb-type-panel { min-height: 154px; padding: 12px; gap: 10px; border-radius: 14px; }
  .qb-type-icon { width: 36px; height: 36px; border-radius: 12px; font-size: 1rem; }
  .qb-type-copy h3 { font-size: 0.86rem; }
  .qb-type-copy p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.68rem;
    line-height: 1.45;
  }
  .qb-type-status { min-height: 20px; padding: 2px 7px; font-size: 0.62rem; }
  .qb-type-metrics { gap: 5px; }
  .qb-type-metric { padding: 5px 7px; font-size: 0.62rem; }
  .qb-type-metric strong { font-size: 0.72rem; }
  .qb-type-foot { align-items: flex-end; gap: 8px; }
  .qb-type-foot .qb-progress-mini { min-width: 0; }
  .qb-type-action { font-size: 0.66rem; }
  .qb-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .qb-topic-card { min-height: 112px; padding: 11px; gap: 9px; border-radius: 14px; }
  .qb-topic-head { gap: 7px; }
  .qb-topic-icon { width: 34px; height: 34px; border-radius: 10px; font-size: 0.92rem; }
  .qb-topic-body h3 { font-size: 0.82rem; }
  .qb-topic-body p { font-size: 0.64rem; }
  .qb-topic-pill { display: none; }
  .qb-topic-bar { height: 5px; }
  .qb-topic-foot { font-size: 0.64rem; }
  .qb-group-card { padding: 12px; gap: 10px; }
  .qb-group-icon { width: 36px; height: 36px; border-radius: 10px; font-size: 1rem; }
  .qb-group-action { display: none; }
  .qb-pagination { margin-bottom: 24px; }
  .qb-pagination-controls { justify-content: center; }
  .qb-page-button,
  .qb-page-gap { width: 32px; height: 32px; flex-basis: 32px; }
  .qb-pagination-controls,
  .qb-pagination-pages { gap: 4px; }
}
@media (max-width: 360px) {
  .qb-type-panel { min-height: 132px; padding: 10px; }
  .qb-type-icon { width: 34px; height: 34px; }
  .qb-type-copy p,
  .qb-type-metrics { display: none; }
}