.st-page {
  padding-top: 18px;
}
.st-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;
}
.st-board-card {
  margin-bottom: 22px;
  overflow: hidden;
}
.st-board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 18px;
  align-items: stretch;
}
.st-kicker {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
}
.st-title {
  margin: 5px 0 0;
  color: var(--text);
  font-size: clamp(1.18rem, 2.3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.25;
}
.st-desc {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.62;
}
.st-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}
.st-meta {
  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;
}
.st-meta strong {
  color: var(--text);
  font-size: 0.82rem;
}
.st-action-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}
.st-action {
  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);
}
.st-action:hover {
  border-color: var(--primary-border);
  background: var(--primary-50);
  transform: translateY(-1px);
}
.st-action.is-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(37, 99, 235, .18);
}
.st-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;
}
.st-action.is-primary .st-action-icon {
  background: rgba(255, 255, 255, .18);
  color: #fff;
}
.st-action-copy {
  min-width: 0;
  line-height: 1.25;
}
.st-action-copy strong {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}
.st-action.is-primary .st-action-copy strong {
  color: #fff;
}
.st-action-copy em {
  display: block;
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.66rem;
  font-style: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.st-action.is-primary .st-action-copy em {
  color: rgba(255, 255, 255, .78);
}
.st-board-side {
  display: grid;
  gap: 10px;
}
.st-score-card {
  display: grid;
  place-items: center;
  min-height: 130px;
  border: 1px solid var(--primary-border);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--primary-50), #fff);
}
.st-score {
  text-align: center;
}
.st-score strong {
  display: block;
  color: var(--primary);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.st-score span {
  display: block;
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 0.72rem;
}
.st-time-list {
  display: grid;
  gap: 8px;
}
.st-time-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;
}
.st-time-item strong {
  color: var(--text);
  font-size: 0.78rem;
}
.st-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.st-type-card {
  display: grid;
  gap: 12px;
  min-height: 162px;
  padding: 15px;
  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);
}
.st-type-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.st-type-card.is-primary {
  border-color: var(--primary-border);
  background: linear-gradient(180deg, #fff, #f8fbff);
}
.st-type-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.st-type-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.14rem;
}
.st-score-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  background: var(--primary-50);
  color: var(--primary);
  font-size: 0.66rem;
  font-weight: 800;
  white-space: nowrap;
}
.st-score-badge.hot {
  background: var(--error-50);
  color: var(--error);
}
.st-score-badge.write {
  background: var(--warning-50);
  color: var(--warning-text);
}
.st-type-title {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.35;
}
.st-type-desc {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 0.72rem;
  line-height: 1.55;
}
.st-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.st-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 8px;
  border-radius: 10px;
  background: var(--surface-variant, #f1f5f9);
  color: var(--text-tertiary);
  font-size: 0.66rem;
  line-height: 1;
}
.st-type-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
}
.st-progress-mini {
  flex: 1;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--border-light);
  overflow: hidden;
}
.st-progress-mini span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.st-type-action {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}
.st-section-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.st-section-label small {
  color: var(--text-tertiary);
  font-size: 0.66rem;
  font-weight: 500;
}
.st-exam-grid .st-progress-mini { display: none; }
.st-exam-grid .st-type-foot { justify-content: flex-end; }
.st-bank-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.st-bank-card {
  display: grid;
  min-height: 126px;
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.st-bank-card:hover,
.st-bank-card:focus-visible {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  outline: none;
  transform: translateY(-2px);
}
.st-bank-head,
.st-bank-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.st-bank-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-50);
  color: var(--primary);
  font-size: .76rem;
  font-weight: 900;
}
.st-bank-count {
  color: var(--text-tertiary);
  font-size: .65rem;
}
.st-bank-count strong {
  margin-right: 2px;
  color: var(--text);
  font-size: .76rem;
}
.st-bank-title {
  margin: 11px 0 0;
  color: var(--text);
  font-size: .86rem;
  font-weight: 800;
}
.st-bank-desc {
  margin: 3px 0 12px;
  color: var(--text-tertiary);
  font-size: .66rem;
  line-height: 1.45;
}
.st-bank-foot {
  margin-top: auto;
  padding-top: 9px;
  border-top: 1px solid var(--border-light);
  color: var(--text-tertiary);
  font-size: .63rem;
}
.st-bank-foot b { color: var(--primary); font-size: .68rem; }
.st-bank-state {
  grid-column: 1 / -1;
  padding: 28px 16px;
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  color: var(--text-tertiary);
  font-size: .72rem;
  text-align: center;
}
.tone-blue .st-type-icon,
.tone-blue .st-step-icon { background: #eff6ff; color: #2563eb; }
.tone-green .st-type-icon,
.tone-green .st-step-icon { background: #ecfdf5; color: #059669; }
.tone-amber .st-type-icon,
.tone-amber .st-step-icon { background: #fffbeb; color: #d97706; }
.tone-red .st-type-icon,
.tone-red .st-step-icon { background: #fef2f2; color: #dc2626; }
.tone-violet .st-type-icon,
.tone-violet .st-step-icon { background: #f5f3ff; color: #7c3aed; }
.tone-pink .st-type-icon,
.tone-pink .st-step-icon { background: #fdf2f8; color: #db2777; }
.st-main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 16px;
  align-items: start;
}
.st-content-stack {
  display: grid;
  gap: 16px;
}
.st-section-card {
  padding: 18px;
}
.st-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.st-section-title {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
}
.st-section-sub {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 0.74rem;
  line-height: 1.55;
}
.st-step-list {
  display: grid;
  gap: 8px;
}
.st-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: var(--surface);
}
.st-step-icon {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.96rem;
}
.st-step-body {
  min-width: 0;
}
.st-step-title {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
}
.st-step-desc {
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.68rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.st-step-time {
  color: var(--text-tertiary);
  font-size: 0.68rem;
  font-weight: 800;
  white-space: nowrap;
}
.st-rail {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 76px;
}
.st-rail-card {
  padding: 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.st-rail-title {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
}
.st-rail-desc {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 0.74rem;
  line-height: 1.6;
}
.st-benefit {
  border-color: #fde68a;
  background: #fffdf7;
}
.st-benefit .st-rail-title { color: #78350f; }
.st-benefit .st-rail-desc { color: #92400e; }
@media (max-width: 860px) {
  .st-board-grid,
  .st-main-layout {
    grid-template-columns: 1fr;
  }
  .st-board-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .st-rail {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .st-type-grid,
  .st-bank-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
}
@media (max-width: 520px) {
  .st-page {
    padding-top: 12px;
  }
  .st-board-card {
    margin-bottom: 18px;
  }
  .st-action-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }
  .st-action {
    min-height: 54px;
    padding: 9px 8px;
    gap: 7px;
    border-radius: 13px;
  }
  .st-action-icon {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    font-size: 0.84rem;
  }
  .st-action-copy strong {
    font-size: 0.72rem;
  }
  .st-action-copy em {
    font-size: 0.58rem;
  }
  .st-board-side {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
  }
  .st-rail {
    grid-template-columns: 1fr;
  }
  .st-score-card {
    min-height: 118px;
    border-radius: 14px;
  }
  .st-score strong {
    font-size: 1.8rem;
  }
  .st-time-list {
    gap: 7px;
  }
  .st-time-item {
    min-height: 34px;
    padding: 7px 9px;
    border-radius: 12px;
    font-size: 0.66rem;
  }
  .st-time-item strong {
    font-size: 0.72rem;
  }
  .st-title {
    font-size: 1.12rem;
  }
  .st-desc {
    font-size: 0.78rem;
  }
  .st-type-grid {
    gap: 8px;
    margin-bottom: 20px;
  }
  .st-section-label {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
  .st-bank-grid { margin-bottom: 20px; }
  .st-bank-card { min-height: 120px; padding: 12px; }
  .st-type-card {
    min-height: 148px;
    padding: 12px;
    gap: 10px;
    border-radius: 14px;
  }
  .st-type-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 1rem;
  }
  .st-type-title {
    font-size: 0.86rem;
  }
  .st-type-desc {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.68rem;
    line-height: 1.45;
  }
  .st-score-badge {
    min-height: 20px;
    padding: 2px 7px;
    font-size: 0.62rem;
  }
  .st-tag-row {
    gap: 5px;
  }
  .st-tag {
    padding: 5px 7px;
    font-size: 0.62rem;
  }
  .st-type-action {
    font-size: 0.66rem;
  }
  .st-section-card {
    padding: 14px;
  }
}
@media (max-width: 360px) {
  .st-action-strip,
  .st-board-side {
    grid-template-columns: 1fr;
  }
  .st-action {
    min-height: 50px;
    padding: 9px 10px;
  }
  .st-score-card {
    min-height: 86px;
  }
  .st-type-card {
    min-height: 126px;
    padding: 10px;
  }
  .st-type-icon {
    width: 34px;
    height: 34px;
  }
  .st-type-desc,
  .st-tag-row {
    display: none;
  }
}