:root {
  --color-fog: #eef3f9;
  --color-white: #ffffff;
  --color-ink: #142e48;
  --color-ink-soft: #234262;
  --color-indigo: #335cff;
  --color-indigo-hover: #2147dc;
  --color-teal: #137f86;
  --color-teal-light: #e8f5f6;
  --color-amber: #b87410;
  --color-amber-light: #fef7ed;
  --color-border: #d4e0ee;
  --color-border-light: #e6eef6;
  --color-text-muted: #5e7692;
  --color-text-dim: #61778f;
  --color-danger: #c53030;
  --color-danger-light: #fff5f5;
  --color-success: #0f766e;
  --color-success-light: #f0fdfa;
  --font-title: "Bahnschrift", "Source Han Sans CN", "思源黑体", "PingFang SC", -apple-system, sans-serif;
  --font-body: "Segoe UI", "Microsoft YaHei", "微软雅黑", -apple-system, sans-serif;
  --font-mono: "Consolas", "SFMono-Regular", Monaco, monospace;
  --shadow-sm: 0 1px 3px rgba(20, 46, 72, 0.05), 0 1px 2px rgba(20, 46, 72, 0.03);
  --shadow-md: 0 4px 16px -2px rgba(20, 46, 72, 0.07), 0 2px 6px -1px rgba(20, 46, 72, 0.04);
  --shadow-lg: 0 14px 32px -4px rgba(20, 46, 72, 0.12), 0 4px 12px -2px rgba(20, 46, 72, 0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.26s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-fog);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 顶部导航 */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1680px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.brand-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-teal);
  background: var(--color-teal-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-btn {
  font-size: 0.825rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.nav-btn:hover:not(.is-disabled) {
  border-color: var(--color-indigo);
  color: var(--color-indigo);
  background: #f7f9ff;
}

.nav-btn.is-disabled {
  color: var(--color-text-dim);
  background: #edf3f8;
  border-color: #dbe5ee;
  cursor: not-allowed;
  opacity: 0.85;
}

/* 英雄区 */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 1.6rem 0;
}

.hero-inner {
  max-width: 1680px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hero-pill {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-indigo);
  background: #edf2ff;
  border: 1px solid #d4e0ff;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.hero-heading {
  font-family: var(--font-title);
  font-size: 2.15rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-lead {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 620px;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-item .stat-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.1;
}

.hero-stat-item .stat-lbl {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-top: 4px;
}

/* 英雄区右侧：真实学科分布星座卡 */
.hero-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-md);
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
}

.hero-card-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-card-title {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-ink);
}

.hero-card-sub {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.hero-card-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-indigo);
  background: #f0f4ff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.hero-constellation {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.hero-constellation::-webkit-scrollbar {
  width: 4px;
}
.hero-constellation::-webkit-scrollbar-thumb {
  background: #cbd7e4;
  border-radius: 4px;
}

.constellation-bar-row {
  display: grid;
  grid-template-columns: 86px 1fr 48px;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}

.constellation-bar-row:hover {
  background: #f4f8fd;
  border-color: var(--color-border-light);
}

.constellation-bar-row.is-active {
  background: #edf3fc;
  border-color: #cbdcf4;
}

.constellation-domain-name {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.constellation-track {
  background: #edf2f7;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.constellation-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.constellation-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
}

/* 主体两栏布局 */
.main-container {
  max-width: 1680px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.75rem;
  flex: 1;
}

/* 左侧筛选面板 */
.filter-rail {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  height: fit-content;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.filter-rail::-webkit-scrollbar {
  width: 4px;
}
.filter-rail::-webkit-scrollbar-thumb {
  background: #d4e0ee;
  border-radius: 4px;
}

.filter-rail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.filter-rail-title {
  font-family: var(--font-title);
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-ink);
}

.reset-btn {
  background: none;
  border: none;
  color: var(--color-indigo);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.reset-btn:hover {
  color: var(--color-indigo-hover);
  text-decoration: underline;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.filter-heading {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.filter-sub-note {
  font-size: 0.7rem;
  color: var(--color-text-dim);
}

.filter-honest-desc {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  line-height: 1.4;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--color-text-dim);
  pointer-events: none;
}

#searchInput {
  width: 100%;
  padding: 8px 10px 8px 32px;
  font-size: 0.825rem;
  font-family: inherit;
  color: var(--color-ink);
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

#searchInput:focus {
  background: var(--color-white);
  border-color: var(--color-indigo);
  box-shadow: 0 0 0 3px rgba(51, 92, 255, 0.12);
}

.filter-options-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 2px;
}

.filter-options-list::-webkit-scrollbar {
  width: 4px;
}
.filter-options-list::-webkit-scrollbar-thumb {
  background: #d4e0ee;
  border-radius: 4px;
}

.filter-check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  transition: background var(--transition-fast);
}

.filter-check-item:hover {
  background: #f3f7fb;
}

.filter-check-item.is-selected {
  background: #edf3fd;
  font-weight: 600;
  color: var(--color-indigo);
}

.filter-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.filter-checkbox {
  width: 14px;
  height: 14px;
  accent-color: var(--color-indigo);
  cursor: pointer;
  flex-shrink: 0;
}

.filter-label-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.filter-count-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-dim);
  background: #edf2f7;
  padding: 1px 5px;
  border-radius: 4px;
  flex-shrink: 0;
}

.filter-check-item.is-selected .filter-count-badge {
  background: #d8e5fd;
  color: var(--color-indigo);
}

/* 右侧结果区 */
.catalog-pane {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.results-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.results-count strong {
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.sort-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sort-label {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  font-weight: 600;
}

.sort-select {
  padding: 6px 12px;
  font-size: 0.825rem;
  font-family: inherit;
  color: var(--color-ink);
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.sort-select:focus {
  border-color: var(--color-indigo);
}

/* 技能卡片网格 */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* 单个技能卡片 */
.skill-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd9ec;
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.card-identity {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.card-glyph-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-domain-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-domain-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-usage-tag {
  font-size: 0.68rem;
  color: var(--color-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-ratings-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  flex-shrink: 0;
}

.rating-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.rating-badge.source {
  background: #fdf5e8;
  color: var(--color-amber);
  border: 1px solid #fae6c6;
}

.rating-badge.community {
  background: #f0fdfa;
  color: var(--color-teal);
  border: 1px solid #ccefe9;
}

.rating-badge.community-none {
  background: #f3f6fa;
  color: var(--color-text-dim);
  border: 1px solid #e1e9f1;
  font-weight: 500;
  font-size: 0.68rem;
}

.card-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.35;
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
  flex-grow: 1;
}

.card-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 0.85rem;
}

.tag-chip {
  font-size: 0.68rem;
  color: var(--color-ink-soft);
  background: #f0f4f9;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

.tag-chip.tag-overflow {
  color: var(--color-text-dim);
  font-family: var(--font-mono);
}

.card-metrics-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 0.85rem;
  font-size: 0.72rem;
  color: var(--color-text-dim);
}

.card-meta-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  max-width: 55%;
}

.card-publisher {
  color: var(--color-ink-soft);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-cert-pill {
  font-size: 0.65rem;
  background: #edf3fc;
  color: var(--color-indigo);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

.card-metrics-counters {
  display: flex;
  gap: 0.6rem;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* 卡片操作区：严格仅两个按钮 */
.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: var(--color-indigo);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-indigo-hover);
}

.btn-outline {
  background: #ffffff;
  border-color: var(--color-border);
  color: var(--color-ink);
}

.btn-outline:hover {
  border-color: var(--color-indigo);
  color: var(--color-indigo);
  background: #f7f9ff;
}

/* 空状态 */
.empty-state {
  background: var(--color-white);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  grid-column: 1 / -1;
}

.empty-state-icon {
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.empty-state-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--color-ink);
}

.empty-state-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 420px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.35rem;
  padding: 1rem 0;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.page-btn:hover:not(:disabled):not(.is-active) {
  border-color: var(--color-indigo);
  color: var(--color-indigo);
}

.page-btn.is-active {
  background: var(--color-indigo);
  border-color: var(--color-indigo);
  color: #ffffff;
}

.page-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.page-ellipsis {
  padding: 0 4px;
  color: var(--color-text-dim);
}

/* 底部免责 */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: auto;
}

.footer-inner {
  max-width: 1680px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-title {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink);
}

.footer-disclaimer {
  font-size: 0.775rem;
  color: var(--color-text-dim);
  line-height: 1.6;
  max-width: 1080px;
}

/* 原生模态框 (dialog) */
.detail-modal {
  border: none;
  border-radius: var(--radius-xl);
  padding: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  width: min(840px, calc(100vw - 2rem));
  max-height: calc(100vh - 3rem);
  margin: auto;
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.detail-modal::backdrop {
  background: rgba(20, 46, 72, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-content-container {
  padding: 1.75rem;
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-content-container::-webkit-scrollbar {
  width: 6px;
}
.modal-content-container::-webkit-scrollbar-thumb {
  background: #c5d3e3;
  border-radius: 4px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.modal-meta-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.modal-heading {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.3;
  word-break: break-word;
}

.modal-close-btn {
  background: #f1f5fa;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close-btn:hover {
  background: #e2eaf2;
  color: var(--color-ink);
}

.modal-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-desc-body {
  font-size: 0.875rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
  white-space: pre-line;
  word-break: break-word;
  background: #f8fafc;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.modal-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  background: #f8fafc;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.info-grid-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cell-label {
  font-size: 0.72rem;
  color: var(--color-text-dim);
}

.cell-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
  font-family: var(--font-mono);
}

.cell-value a {
  color: var(--color-indigo);
  text-decoration: none;
}
.cell-value a:hover {
  text-decoration: underline;
}

/* 提示词展示框 */
.prompt-box-wrapper {
  background: #f5f8fc;
  border: 1px solid #d8e3f0;
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.prompt-code-area {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.55;
  user-select: all;
}

.prompt-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.prompt-note {
  font-size: 0.73rem;
  color: var(--color-text-dim);
}

/* 模态框内社区评分区 */
.community-rating-box {
  background: #f8fbfe;
  border: 1px solid #dbe6f4;
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rating-overview-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.rating-score-summary {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.big-score {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-teal);
  line-height: 1;
}

.big-score-sub {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-top: 4px;
}

.histogram-bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hist-row {
  display: grid;
  grid-template-columns: 32px 1fr 28px;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
}

.hist-track {
  background: #e6eef6;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}

.hist-fill {
  background: var(--color-teal);
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.rating-action-area {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
}

.stars-selector {
  display: flex;
  align-items: center;
  gap: 6px;
}

.star-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: #cbd7e4;
  cursor: pointer;
  padding: 2px;
  transition: color var(--transition-fast), transform var(--transition-fast);
  line-height: 1;
}

.star-btn:hover,
.star-btn.is-active {
  color: var(--color-amber);
}

.star-btn:active {
  transform: scale(0.9);
}

.rating-submit-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.rating-notice {
  font-size: 0.775rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.rating-notice.is-warning {
  background: var(--color-amber-light);
  color: var(--color-amber);
  border: 1px solid #fae6c6;
}

.rating-notice.is-error {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border: 1px solid #fecaca;
}

.rating-notice.is-success {
  background: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

/* 吐司通知 */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #142e48;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.825rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* 折叠筛选让手机用户先看到技能，而不是整屏选项。 */
.mobile-disclosure-title { display:none; }
.filter-group > summary { list-style:none; margin-bottom:8px; }
.filter-group > summary::-webkit-details-marker { display:none; }
button:focus-visible, a:focus-visible, summary:focus-visible, select:focus-visible {
  outline: 3px solid #335cff; outline-offset:3px;
}
button:disabled { opacity:.5; cursor:not-allowed; }
.skill-card .tag-chip { max-width:100%; overflow:hidden; text-overflow:ellipsis; }
@media (max-width:768px) {
.header-inner { height:auto; min-height:94px; padding:12px 16px; flex-wrap:wrap; gap:10px; }
  .brand-title { font-size:16px; white-space:nowrap; }
  .brand-area { width:100%; }
  .nav-actions { width:100%; gap:8px; }
  .nav-btn { font-size:11px; padding:6px 9px; white-space:nowrap; }
  .hero-heading { font-size:27px; }
  .hero-section { padding:20px 16px !important; }
  .hero-stats-strip { grid-template-columns:repeat(4,1fr) !important; gap:6px; }
  .hero-stat-item .stat-num { font-size:18px; }
  .hero-stat-item .stat-lbl { font-size:10px; }
  .mobile-disclosure-title { display:block; color:var(--color-indigo); font-size:13px; font-weight:600; cursor:pointer; padding:10px 0; }
  .hero-card { margin-top:8px; }
  .filter-group > summary { cursor:pointer; padding:6px 0; margin-bottom:0; }
  .filter-group[open] > summary { margin-bottom:8px; }
  .filter-group > summary::after { content:'＋'; color:var(--color-indigo); margin-left:8px; }
  .filter-group[open] > summary::after { content:'−'; }
  .filter-rail { gap:12px; padding:16px; }
  .filter-options-list { max-height:240px; }
  .filter-check-item { min-height:40px; font-size:14px; }
  .skills-grid { grid-template-columns:minmax(0,1fr); }
  .btn { min-height:40px; }
  .star-btn { min-width:38px; min-height:40px; }
  .toast { right:16px; left:16px; bottom:16px; }
}

/* 响应式断点 */
@media (max-width: 1024px) {
.hero-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .main-container {
    grid-template-columns: 220px 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
.header-inner {
    padding: 0 1rem;
  }
  .hero-inner {
    padding: 0;
  }
  .footer-inner {
    padding: 0 1rem;
  }
  .brand-badge {
    display: none;
  }
  .hero-section {
    padding: 1.75rem 1rem 1.5rem;
  }
  .hero-stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .main-container {
    grid-template-columns: 1fr;
    padding: 1.25rem 1rem 2.5rem;
  }
  .filter-rail {
    position: static;
    max-height: none;
  }
  .rating-overview-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ==========================================================================
   SciSkills UI Overrides & Feature Additions
   ========================================================================== */

/* 彻底移除旧来源评分样式（仅保留真实社区评分） */
.rating-badge.source,
.source-rating-box,
.source-score-wrapper,
[data-rating-source="internai"] {
  display: none !important;
}

/* 技能卡片网格响应式：桌面 3 列 (> 1024px)，平板 2 列 (600px - 1024px，含 768px)，手机 1 列 (< 600px，下探至 320px) */
.skills-grid {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 1.25rem !important;
  width: 100% !important;
}

@media (min-width: 600px) and (max-width: 1024px) {
.skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 599.98px) {
.skills-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 1rem !important;
  }
}

/* 主卡片精细化：全宽截断防爆，内容完全折行对齐 */
.skill-card {
  min-width: 0 !important;
  word-wrap: break-word !important;
  overflow-wrap: break-word !important;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd9ec;
}

.card-title {
  white-space: normal !important;
  word-break: break-word !important;
  overflow-wrap: anywhere !important;
  text-overflow: clip !important;
  line-height: 1.4 !important;
  margin-bottom: 0.5rem;
}

.card-domain-info {
  min-width: 0;
  flex: 1;
}

.card-domain-tag {
  white-space: normal !important;
  word-break: break-word !important;
  overflow: visible !important;
  text-overflow: clip !important;
  line-height: 1.35;
}

.card-usage-tag {
  white-space: normal !important;
  word-break: break-word !important;
  overflow: visible !important;
  text-overflow: clip !important;
  line-height: 1.35;
  display: inline-block;
  margin-top: 2px;
}

/* 标签列表折行与额外标签收展 */
.card-tags-list {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px !important;
  align-items: center;
  margin-bottom: 0.85rem;
}

.tag-chip {
  white-space: normal !important;
  word-break: break-word !important;
  max-width: 100% !important;
  line-height: 1.35;
  text-overflow: clip !important;
}

.extra-tag[hidden] {
  display: none !important;
}

.tag-toggle-btn,
[data-action="toggle-tags"] {
  font-size: 0.68rem;
  color: var(--color-indigo);
  background: #eef3ff;
  border: 1px solid #d4e0ff;
  border-radius: 4px;
  padding: 2px 7px;
  cursor: pointer;
  line-height: 1.3;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  transition: all var(--transition-fast);
}

.tag-toggle-btn:hover,
[data-action="toggle-tags"]:hover {
  background: #dbe5ff;
  color: var(--color-indigo-hover);
}

/* 卡片指标行：中文指标标签折行与对齐 */
.card-metrics-row {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 6px !important;
}

.card-meta-left {
  max-width: 100% !important;
  flex-wrap: wrap !important;
}

.card-metrics-counters {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px 8px !important;
}

.metric-item {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}

.metric-label {
  color: var(--color-text-dim);
  font-size: 0.72rem;
  margin-right: 2px;
}

/* 卡片 3 动作布局：详情、复制提示词、收藏 */
.skill-card .card-actions {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.28fr) minmax(0, 1fr) !important;
  gap: 0.45rem !important;
  margin-top: auto;
  width: 100%;
}

.skill-card .card-actions .btn {
  min-width: 0;
  padding: 7px 4px;
  font-size: 0.775rem;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  justify-content: center;
  text-align: center;
}

/* 收藏按钮与状态样式 (主卡片、详情窗) */
.favorite-btn,
[data-action="favorite"] {
  background: #ffffff;
  border-color: var(--color-border);
  color: var(--color-ink-soft);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.favorite-btn:hover,
[data-action="favorite"]:hover {
  border-color: #f59e0b;
  color: #d97706;
  background: #fffdf8;
}

.favorite-btn[aria-pressed="true"],
[data-action="favorite"][aria-pressed="true"] {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
  font-weight: 700;
}

#modalFavoriteBtn {
  background: #ffffff;
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: all var(--transition-fast);
}

#modalFavoriteBtn:hover {
  border-color: #f59e0b;
  color: #d97706;
  background: #fffdf8;
}

#modalFavoriteBtn[aria-pressed="true"] {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
  font-weight: 700;
}

/* 边栏/工具栏收藏筛选控件 */
.favorites-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: #fffdf5;
  border: 1px solid #fef3c7;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
}

.favorites-control label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-ink-soft);
  user-select: none;
}

#favoritesOnly {
  width: 15px;
  height: 15px;
  accent-color: #d97706;
  cursor: pointer;
}

#favoriteCount {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #b45309;
  background: #fef3c7;
  border: 1px solid #fde68a;
  padding: 1px 6px;
  border-radius: 999px;
}

.favorites-local-badge {
  font-size: 0.68rem;
  color: var(--color-text-dim);
  font-weight: normal;
  display: block;
  margin-top: 2px;
}

/* 详情模态框优化与代码框 */
#modalPromptCode {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-all;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  user-select: all;
}

#retryRatingsBtn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid var(--color-border);
  cursor: pointer;
}

#retryRatingsBtn:hover {
  background: #f8fafc;
  border-color: var(--color-indigo);
  color: var(--color-indigo);
}

/* 顶层 Toast 与原生 Dialog 协同 */
dialog .toast,
.detail-modal .toast {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  z-index: 1200;
}

#toast {
  z-index: 2500 !important;
}

/* 原生 details 可折叠面板兼容 */
.responsive-disclosure > summary {
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  color: var(--color-ink-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.responsive-disclosure > summary::-webkit-details-marker {
  display: none;
}

/* 屏幕尺寸下探至 320px 及移动端无裁切布局 */
@media (max-width: 480px) {
  .modal-content-container {
    padding: 1.25rem 0.85rem;
  }
  .modal-header {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .header-inner {
    padding: 8px 12px !important;
    min-height: auto !important;
    gap: 8px !important;
  }

  .brand-area {
    width: auto !important;
  }

  .brand-title {
    font-size: 0.95rem !important;
  }

  .nav-actions {
    width: auto !important;
    gap: 6px !important;
  }

  .nav-btn {
    font-size: 0.75rem !important;
    padding: 5px 8px !important;
  }

  .hero-section {
    padding: 1.1rem 0.85rem !important;
  }

  .hero-heading {
    font-size: 1.5rem !important;
  }

  .hero-stats-strip {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .main-container {
    padding: 1rem 0.75rem 2rem !important;
  }

  .skill-card {
    padding: 1rem !important;
  }

  .skill-card .card-actions {
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 4px !important;
  }

  .skill-card .card-actions .btn {
    padding: 8px 2px !important;
    font-size: 0.72rem !important;
  }
}

@media (max-width: 340px) {
.skill-card .card-actions {
    grid-template-columns: 1fr !important;
    gap: 4px !important;
  }
}

/* 移动端触控目标高度与无障碍保障 (>=40px) */
@media (max-width: 768px) {
.btn,
.page-btn,
.filter-check-item,
.star-btn,
#modalCloseBtn,
#modalSubmitRatingBtn,
#modalCopyPromptBtn,
#modalFavoriteBtn {
    min-height: 40px;
  }
}

/* 768px 平板及移动端面板布局自适应与防溢出保障 */
@media (max-width: 1024px) {
.main-container {
    flex-direction: column !important;
  }
  .filter-rail {
    width: 100% !important;
  }
}

.site-header {
  width: 100%;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.header-inner {
  max-width: 1680px !important;
  box-sizing: border-box !important;
}
@media (max-width: 768px) {
#navGptBtn,
  #navSubmitBtn {
    min-height: 44px !important;
    padding: 8px 12px !important;
    box-sizing: border-box !important;
  }
  header,
  .header,
  nav,
  .navbar,
  .header-actions,
  .nav-actions {
    flex-wrap: wrap !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}
@media (max-width: 768px) {
html, body {
    overflow-x: hidden !important;
    max-width: 100% !important;
  }

  header,
  .header,
  nav,
  .navbar,
  .nav-container,
  .top-header,
  .app-header {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  header h1,
  header .brand,
  header .logo,
  header .app-title,
  .nav-title {
    max-width: 100% !important;
    white-space: normal !important;
    overflow: visible !important;
    word-break: break-word !important;
  }

  #navGptBtn,
  #navSubmitBtn {
    min-height: 44px !important;
    padding: 8px 12px !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  button,
.btn,
.nav-btn,
button[data-action],
[data-action],
.expand-tags-btn,
.expand-tags,
.tag-expand,
[data-action="expand-tags"],
[data-action="toggle-tags"],
[data-action="more-tags"],
.more-tags-btn {
    min-height: 40px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }

  .tag,
  .tag-chip,
  .tag-btn,
  button.tag,
  button.tag-chip,
  [data-action="tag"],
  [data-action="filter-tag"],
  [data-action*="tag"] {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 40px !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    white-space: normal !important;
    line-height: normal !important;
  }

  .skill-card h2,
  .skill-card h3,
  .skill-card .card-title,
  .skill-title,
  .card-title {
    overflow: visible !important;
    text-overflow: clip !important;
    white-space: normal !important;
    line-height: 1.3 !important;
    word-break: break-word !important;
  }

  .card-header,
  .skill-card-header,
  .skill-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
    min-height: 40px !important;
  }

  .card-header > :first-child,
  .skill-card-header > :first-child,
  .skill-header > :first-child {
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }
}

/* 移除粗暴的 40px 限制，按内容与文本场景自适应宽度 */
.skill-card button[data-action="favorite"],
.skill-card .btn-favorite {
  width: auto;
  min-width: 80px;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
}

#modalFavoriteBtn {
  width: auto !important;
  min-width: -moz-fit-content !important;
  min-width: fit-content !important;
  height: 44px !important;
  min-height: 44px !important;
  padding: 10px 16px !important;
  white-space: nowrap !important;
  overflow: visible !important;
  flex-shrink: 0 !important;
}
@media (max-width: 768px) {
.site-header {
    padding-top: 8px !important;
    padding-bottom: 8px !important;
  }

  .hero-section {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
  }

  .hero-inner {
    gap: 10px !important;
  }

  .hero-pill {
    font-size: 11px !important;
    padding: 2px 8px !important;
    margin: 0 0 4px 0 !important;
    min-height: 0 !important;
  }

  h1.hero-heading,
  .hero-heading {
    font-size: 26px !important;
    line-height: 1.2 !important;
    margin: 0 0 6px 0 !important;
  }

  p.hero-lead,
  .hero-lead {
    font-size: 14px !important;
    line-height: 1.4 !important;
    margin: 4px 0 8px 0 !important;
  }

  .hero-stats-strip {
    margin: 6px 0 !important;
    padding: 6px 8px !important;
    gap: 6px !important;
  }

  .hero-stat-item {
    padding: 2px 4px !important;
  }

  .stat-num {
    font-size: 18px !important;
    line-height: 1.2 !important;
  }

  .stat-lbl {
    font-size: 11px !important;
    line-height: 1.2 !important;
  }

  .hero-card {
    padding: 10px 12px !important;
    margin-top: 4px !important;
  }

  span.tag-chip,
  span[class*="tag-chip"],
  span[class*="skill-tag"],
  span.filter-chip,
  .tag-chip:not(button):not(a):not([role="button"]),
  .skill-tag:not(button):not(a):not([role="button"]) {
    min-height: 0 !important;
    height: auto !important;
    line-height: 1.3 !important;
    padding: 2px 8px !important;
  }

  button.tag-chip,
button.skill-tag,
button.filter-chip,
button[class*="chip"],
button[class*="tag"],
.filter-options-list button,
.reset-btn,
.nav-btn,
.modal-close-btn {
    min-height: 40px !important;
  }

  summary.filter-heading-row,
  summary.mobile-disclosure-title {
    min-height: 40px;
    display: flex;
    align-items: center;
  }

  .main-container {
    padding-top: 10px !important;
    gap: 10px !important;
  }

  .filter-rail {
    gap: 6px !important;
    margin-bottom: 6px !important;
  }

  .catalog-toolbar {
    margin-bottom: 8px !important;
    padding: 4px 0 !important;
    gap: 6px !important;
  }
}
@media (max-width: 768px) {
.hero-section {
    padding: 8px 12px !important;
  }
  .hero-inner {
    gap: 12px !important;
  }
  .hero-content {
    margin: 0 !important;
    padding: 0 !important;
  }
  .hero-pill,
  .hero-eyebrow {
    margin: 0 !important;
  }
  .hero-heading,
  .hero-title {
    font-size: 26px !important;
    line-height: 1.15 !important;
    margin: 8px 0 !important;
  }
  .hero-lead,
  .hero-description {
    font-size: 12px !important;
    line-height: 1.4 !important;
    margin: 8px 0 !important;
  }
  .hero-stats-strip,
  .hero-stats {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px !important;
    margin: 8px 0 !important;
  }
  .hero-stats-strip .hero-stat-item,
  .hero-stats .hero-stat-item,
  .hero-stat-item {
    display: flex !important;
    flex-direction: column !important;
    visibility: visible !important;
    opacity: 1 !important;
    padding: 8px !important;
    box-sizing: border-box !important;
  }
  .stat-num,
  .hero-stat-item .stat-num,
  .hero-stat-item .stat-number {
    font-size: 24px !important;
    line-height: 1.15 !important;
  }
  .stat-lbl,
  .hero-stat-item .stat-lbl {
    font-size: 11px !important;
    line-height: 1.2 !important;
  }
  button,
.reset-btn,
.nav-btn {
    min-height: 40px !important;
  }
}
@media (max-width: 768px) {
.hero-section {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
}
@media (max-width: 768px) {
.hero-stats-strip {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 4px !important;
    padding: 4px !important;
  }
  .stat-item {
    min-width: 0 !important;
    padding: 4px !important;
    border: none !important;
  }
  .stat-num {
    font-size: 18px !important;
    line-height: 1.2 !important;
  }
  .stat-lbl {
    font-size: 9px !important;
    line-height: 1.3 !important;
    white-space: normal !important;
  }
  .hero-lead {
    font-size: 12px !important;
    line-height: 1.4 !important;
    margin: 6px !important;
  }
}
@media (max-width: 768px) {
.main-container { padding-top: 8px !important; gap: 8px !important; } .filter-rail { padding-top: 8px !important; padding-bottom: 8px !important; } .catalog-toolbar { margin-bottom: 8px !important; padding-top: 4px !important; padding-bottom: 4px !important; }
}

/* 顶部导航并列按钮：GPT 账号购买指南 + 提交 Skills，突出显眼且与品牌风格协调 */
.site-header .header-inner {
  height: auto !important;
  min-height: 64px !important;
  padding-top: 10px !important;
  padding-bottom: 10px !important;
}

.site-header .nav-actions,
nav.nav-actions {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
  max-width: 100% !important;
}

.nav-actions .nav-btn {
  min-height: 40px !important;
  padding: 8px 16px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  box-sizing: border-box !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  white-space: nowrap !important;
  border-radius: var(--radius-md) !important;
  text-decoration: none !important;
  cursor: pointer !important;
  user-select: none !important;
  flex-shrink: 0 !important;
  transition: all var(--transition-fast) ease !important;
}

.nav-actions .nav-btn-icon {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

/* 按钮 1：GPT 账号购买指南 - 深蓝品牌主按钮，质感沉稳显眼 */
.nav-actions #navGptBtn,
.nav-actions .nav-btn-primary {
  color: #ffffff !important;
  background: linear-gradient(135deg, #142e48 0%, #1e426d 100%) !important;
  border: 1px solid #142e48 !important;
  box-shadow: 0 2px 6px rgba(20, 46, 72, 0.18) !important;
}

.nav-actions #navGptBtn:hover:not(.is-disabled),
.nav-actions .nav-btn-primary:hover:not(.is-disabled) {
  background: linear-gradient(135deg, #1a3c5f 0%, #255489 100%) !important;
  border-color: #0f2439 !important;
  color: #ffffff !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(20, 46, 72, 0.28) !important;
}

.nav-actions #navGptBtn:active:not(.is-disabled),
.nav-actions .nav-btn-primary:active:not(.is-disabled) {
  transform: translateY(0) !important;
  box-shadow: 0 1px 3px rgba(20, 46, 72, 0.2) !important;
}

/* 按钮 2：提交 Skills - 科研青绿次主按钮，清新分明且呼应站点主题色 */
.nav-actions #navSubmitBtn,
.nav-actions .nav-btn-secondary {
  color: #0e6a70 !important;
  background: #f0fbfb !important;
  border: 1.5px solid #137f86 !important;
  box-shadow: 0 2px 6px rgba(19, 127, 134, 0.12) !important;
}

.nav-actions #navSubmitBtn:hover:not(.is-disabled),
.nav-actions .nav-btn-secondary:hover:not(.is-disabled) {
  color: #094e53 !important;
  background: #e3f6f6 !important;
  border-color: #0d6166 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(19, 127, 134, 0.2) !important;
}

.nav-actions #navSubmitBtn:active:not(.is-disabled),
.nav-actions .nav-btn-secondary:active:not(.is-disabled) {
  transform: translateY(0) !important;
  box-shadow: 0 1px 3px rgba(19, 127, 134, 0.15) !important;
}

.nav-actions .nav-btn:focus-visible {
  outline: 3px solid var(--color-indigo) !important;
  outline-offset: 2px !important;
}

.nav-actions .nav-btn.is-disabled {
  color: var(--color-text-dim) !important;
  background: #edf3f8 !important;
  border-color: #dbe5ee !important;
  cursor: not-allowed !important;
  opacity: 0.85 !important;
  box-shadow: none !important;
  transform: none !important;
}

.nav-actions .nav-btn.is-disabled:focus,
.nav-actions .nav-btn.is-disabled:focus-visible {
  outline: none !important;
}

@media (max-width: 768px) {
  .site-header .header-inner {
    height: auto !important;
    min-height: 80px !important;
    padding: 10px 14px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }

  .site-header .brand-area {
    width: 100% !important;
  }

  .site-header .nav-actions,
  nav.nav-actions {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: 100% !important;
    gap: 8px !important;
  }

  .nav-actions .nav-btn {
    flex: 1 1 auto !important;
    min-height: 40px !important;
    padding: 8px 12px !important;
    font-size: 0.8rem !important;
  }
}

@media (max-width: 360px) {
  .nav-actions .nav-btn {
    font-size: 0.74rem !important;
    padding: 6px 8px !important;
    gap: 4px !important;
  }
  .nav-actions .nav-btn-icon svg {
    width: 13px !important;
    height: 13px !important;
  }
}

/* 底部常见问题解答 (FAQ) */
.faq-section {
  max-width: 1680px;
  width: 100%;
  margin: 2.2rem auto 0;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

.faq-disclosure {
  background: var(--color-white, #ffffff);
  border: 1px solid var(--color-border, #e1e8f0);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-fast) ease;
}

.faq-disclosure:hover {
  border-color: #cbd5e1;
}

.faq-disclosure[open] {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  cursor: pointer;
  background: #f8fafc;
  user-select: none;
  font-weight: 600;
  color: var(--color-ink, #142e48);
  transition: background 0.15s ease;
  list-style: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary:hover {
  background: #f1f5f9;
}

.faq-summary-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.faq-summary-icon {
  color: var(--color-teal, #137f86);
  flex-shrink: 0;
}

.faq-summary-title {
  font-family: var(--font-title, inherit);
  font-size: 0.925rem;
  color: var(--color-ink, #142e48);
  font-weight: 700;
}

.faq-summary-badge {
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  color: var(--color-teal, #137f86);
  background: var(--color-teal-light, #e8f5f6);
  padding: 2px 7px;
  border-radius: var(--radius-sm, 4px);
  font-weight: 600;
}

.faq-summary-right {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-dim, #64748b);
  font-size: 0.785rem;
  font-weight: 500;
  flex-shrink: 0;
}

.faq-summary-tip-text::after {
  content: "点击展开";
}

.faq-disclosure[open] .faq-summary-tip-text::after {
  content: "点击收起";
}

.faq-summary-arrow {
  color: var(--color-teal, #137f86);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.faq-disclosure[open] .faq-summary-arrow {
  transform: rotate(180deg);
}

.faq-content {
  padding: 22px 26px;
  border-top: 1px solid var(--color-border, #e1e8f0);
  background: #ffffff;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem 2.2rem;
}

.faq-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-question {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink, #142e48);
  margin: 0;
  line-height: 1.45;
}

.faq-answer {
  font-size: 0.825rem;
  color: #475569;
  line-height: 1.72;
  margin: 0;
}

.faq-answer strong {
  color: #0f172a;
  font-weight: 600;
}

.faq-answer ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.faq-answer li {
  margin-bottom: 6px;
  line-height: 1.65;
}

@media (max-width: 960px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }
}

@media (max-width: 768px) {
  .faq-section {
    padding: 0 1rem;
    margin-top: 1.25rem;
  }
  .faq-summary {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 14px;
  }
  .faq-summary-badge {
    display: none;
  }
  .faq-content {
    padding: 16px 16px;
  }
  .faq-summary-title {
    font-size: 0.885rem;
  }
  .faq-question {
    font-size: 0.85rem;
  }
  .faq-answer {
    font-size: 0.8rem;
    line-height: 1.62;
  }
}