:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-muted: #f7f9fc;
  --surface-soft: #eef3f8;
  --surface-strong: #e8eff7;
  --heading: #1b3148;
  --text: #344457;
  --text-strong: #243447;
  --text-soft: #67788d;
  --text-faint: #95a2b3;
  --border: #e2e8f0;
  --border-strong: #cfd8e3;
  --accent: #2f6da5;
  --accent-strong: #1f5687;
  --accent-soft: #eaf3fb;
  --success: #0f766e;
  --warning: #b45309;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
  --radius-xs: 12px;
  --radius-sm: 16px;
  --radius-md: 20px;
  --radius-lg: 24px;
  --container: 1200px;
  --mono: "Cascadia Code", "Consolas", monospace;
  --sans: "Segoe UI Variable", "Microsoft YaHei UI", "PingFang SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: #f8fafc;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

summary {
  list-style: none;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding-top: 32px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex: 1;
  min-width: 0;
}

.mobile-header-cta,
.mobile-tabbar {
  display: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--accent-strong);
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.brand small {
  color: var(--text-soft);
}

.top-nav {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  color: var(--text-soft);
  min-width: 0;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--heading);
}

.top-nav a.active {
  color: var(--heading);
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-strong);
}

.button-secondary {
  background: #fff;
  border-color: var(--border);
  color: var(--text-strong);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--surface-soft);
}

.button-compact {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
}

.button-full {
  width: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
}

.hero-section {
  padding-top: 46px;
}

.hero-grid,
.tool-layout,
.role-layout,
.feature-grid,
.mini-role-grid,
.prompt-grid,
.diagnosis-grid,
.story-grid {
  display: grid;
  gap: 22px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
}

.hero-copy h1,
.section-heading h2,
.cta-card h2 {
  margin: 14px 0 14px;
  color: var(--heading);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 4vw, 4.4rem);
}

.lead,
.section-heading p,
.feature-card p,
.story-card p,
.vault-item p,
.role-card p,
.empty-state p,
.role-detail p,
.form-intro p,
.form-group-summary p,
.preview-muted {
  color: var(--text-soft);
}

.lead {
  margin: 0;
  max-width: 56ch;
  font-size: 1.04rem;
}

.hero-actions,
.result-actions,
.quick-actions,
.panel-head,
.role-toolbar,
.scenario-list,
.task-list,
.vault-meta,
.filter-group,
.hero-pills,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.hero-pills {
  margin-top: 22px;
}

.hero-pill,
.pill,
.option-pill,
.goal-card,
.filter-chip,
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.hero-pill {
  background: rgba(255, 255, 255, 0.78);
}

.hero-preview,
.preview-card,
.feature-card,
.story-card,
.cta-card,
.tool-card,
.vault-panel,
.role-card,
.mini-role-card,
.vault-item,
.prompt-card,
.diagnosis-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-preview,
.tool-card,
.vault-panel,
.cta-card {
  padding: 28px;
}

.preview-card {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(47, 109, 165, 0.06), rgba(255, 255, 255, 0) 28%),
    var(--surface);
}

.preview-header,
.preview-output-head,
.vault-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.preview-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.preview-muted {
  font-size: 0.86rem;
}

.preview-input,
.preview-output {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.preview-input {
  color: var(--text-strong);
  font-weight: 600;
}

.preview-output-head strong {
  color: var(--text-strong);
}

.preview-output-head span {
  color: var(--text-faint);
  font-size: 0.84rem;
}

.preview-list,
.story-list,
.summary-list,
.list-block {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.preview-list li,
.story-list li,
.list-block li {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
}

.section-heading p {
  margin: 0;
  max-width: 60ch;
}

.compact-heading p,
.workspace-heading p {
  max-width: 56ch;
}

.page-heading {
  margin-bottom: 28px;
}

.feature-grid-compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.story-card,
.mini-role-card,
.role-card,
.vault-item,
.prompt-card,
.diagnosis-card {
  padding: 24px;
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-card h3,
.story-card h3,
.mini-role-card h3,
.role-card h3,
.prompt-card h3,
.diagnosis-card h3,
.role-detail h3,
.vault-panel h3,
.vault-item h4,
.empty-state h3 {
  margin: 0 0 8px;
  color: var(--text-strong);
}

.feature-card .button,
.mini-role-card .button {
  margin-top: 16px;
}

.feature-card-strong {
  border-color: #d5e2f0;
  background:
    linear-gradient(180deg, rgba(47, 109, 165, 0.05), rgba(255, 255, 255, 0) 42%),
    var(--surface);
}

.story-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.story-bridge {
  display: none;
}

.story-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 600;
}

.story-quote {
  margin: 14px 0 0;
  color: var(--text-strong);
  font-size: 1.05rem;
  font-weight: 600;
}

.story-card-highlight {
  border-color: #d6e3f1;
  background:
    linear-gradient(180deg, rgba(47, 109, 165, 0.05), rgba(255, 255, 255, 0) 48%),
    var(--surface);
}

.mini-role-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-role-footer {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

.cta-section {
  padding-top: 48px;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background:
    linear-gradient(120deg, rgba(47, 109, 165, 0.07), rgba(47, 109, 165, 0) 46%),
    var(--surface);
}

.cta-card h2 {
  max-width: 18ch;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.cta-card p {
  margin: 0;
  color: var(--text-soft);
}

.workspace-section {
  position: relative;
  padding-top: 96px;
}

.workspace-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.34), transparent);
}

.tool-layout {
  grid-template-columns: minmax(340px, 0.78fr) minmax(0, 1.22fr);
  align-items: start;
}

.tool-form {
  display: grid;
  gap: 16px;
}

.form-intro {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
}

.form-intro strong {
  display: block;
  margin-bottom: 4px;
  color: var(--heading);
}

.form-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  overflow: hidden;
}

.form-group[open] {
  border-color: #dbe5ef;
}

.form-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
}

.form-group-summary h3 {
  margin: 0 0 4px;
  color: var(--heading);
  font-size: 1rem;
}

.form-group-summary p {
  margin: 0;
  font-size: 0.9rem;
}

.summary-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.8rem;
  white-space: nowrap;
}

.form-group-body {
  display: grid;
  gap: 16px;
  padding: 0 20px 20px;
}

.field,
.field-grid {
  display: grid;
  gap: 8px;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-full {
  grid-column: 1 / -1;
}

.field label,
.field-label {
  color: var(--text-strong);
  font-weight: 600;
}

.field-help {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.field input,
.field select,
.field textarea,
.search-field input {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text-strong);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.search-field input:focus {
  outline: none;
  border-color: #b8cadf;
  box-shadow: 0 0 0 3px rgba(47, 109, 165, 0.1);
}

.field input::placeholder,
.field textarea::placeholder,
.search-field input::placeholder {
  color: var(--text-faint);
}

.field textarea {
  min-height: 116px;
  resize: vertical;
}

.choice-grid,
.goal-grid {
  display: grid;
  gap: 12px;
}

.choice-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.goal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.goal-card,
.option-pill {
  position: relative;
  min-height: 48px;
  border-radius: 14px;
}

.goal-card input,
.option-pill input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.goal-card:has(input:checked),
.option-pill:has(input:checked),
.filter-chip.active {
  border-color: #c3d6ea;
  background: var(--accent-soft);
  color: var(--accent);
}

.option-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checklist-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: #fff;
  color: var(--text-soft);
}

.checkbox input {
  width: 18px;
  height: 18px;
}

.selected-role {
  padding: 12px 14px;
  border-radius: var(--radius-xs);
  border: 1px solid #cfe0f5;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 600;
}

.action-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-quickplay {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.quickplay-label,
.support-label,
.mini-note {
  color: var(--text-soft);
  font-size: 0.85rem;
}

.quickplay-buttons {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quickplay-card {
  display: grid;
  gap: 8px;
  min-height: 110px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  color: var(--text-strong);
  text-align: left;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.quickplay-card:hover,
.quickplay-card:focus-visible {
  transform: translateY(-2px);
  border-color: #cad9e8;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.quickplay-card strong {
  color: var(--heading);
  font-size: 1rem;
}

.quickplay-card span {
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.55;
}

.result-shell {
  display: grid;
  gap: 22px;
}

.result-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.result-topbar h3,
.prompt-stage-head h4,
.support-card h4 {
  margin: 8px 0 0;
  color: var(--heading);
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.snapshot-grid,
.support-grid {
  display: grid;
  gap: 16px;
}

.snapshot-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.support-grid-wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}

.support-card-subtle {
  background: var(--surface-muted);
}

.detail-list,
.compact-list {
  margin: 0;
  padding-left: 18px;
}

.detail-list li + li,
.compact-list li + li {
  margin-top: 8px;
}

.snapshot-copy {
  margin: 0;
  color: var(--text-strong);
}

.result-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.result-tab {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-soft);
  font-weight: 600;
}

.result-tab.active {
  border-color: #c3d6ea;
  background: var(--accent-soft);
  color: var(--accent);
}

.prompt-stage {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
}

.prompt-stage-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.stage-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.prompt-stage-body {
  max-height: 520px;
  overflow: auto;
}

.followup-list {
  display: grid;
  gap: 12px;
}

.followup-item {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-muted);
}

.followup-item p {
  margin: 0;
}

.strong-note {
  color: var(--accent-strong);
  font-weight: 600;
}

.optimize-stack {
  display: grid;
  gap: 24px;
}

.optimize-console {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
}

.diagnosis-grid-single {
  grid-template-columns: 1fr;
}

.vault-note {
  display: grid;
  gap: 10px;
  align-self: stretch;
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #fff;
  color: var(--text-soft);
}

.vault-note strong {
  color: var(--heading);
}

.vault-shell,
.vault-library-shell,
.vault-content {
  display: grid;
  gap: 22px;
}

.vault-hero {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: start;
}

.vault-heading {
  margin-bottom: 0;
}

.vault-summary-grid,
.vault-card-grid {
  display: grid;
  gap: 18px;
}

.vault-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vault-summary-card,
.vault-asset-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.vault-summary-card {
  display: grid;
  gap: 10px;
  padding: 22px;
}

.vault-summary-label {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.vault-summary-value {
  color: var(--heading);
  font-size: clamp(1.9rem, 2.8vw, 2.4rem);
  line-height: 1;
}

.vault-summary-card p {
  margin: 0;
  color: var(--text-soft);
}

.vault-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.vault-search-field {
  width: min(460px, 100%);
}

.vault-toolbar-actions,
.vault-section-tools,
.vault-chip-row,
.vault-empty-actions,
.vault-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.vault-filter-stack {
  display: grid;
  gap: 14px;
}

.vault-filter-stack .vault-tabs {
  margin-bottom: 0;
}

.vault-source-filters {
  gap: 10px;
}

.vault-library-head {
  margin-bottom: 0;
}

.vault-section-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.vault-section-head {
  margin-bottom: 0;
}

.vault-count-pill {
  background: #f4f7fb;
  color: var(--text-soft);
}

.vault-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.vault-asset-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.vault-asset-card:hover {
  transform: translateY(-2px);
  border-color: #cad9e8;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  background: #fbfdff;
}

.vault-card-top,
.vault-card-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.vault-card-top {
  align-items: start;
}

.vault-card-bottom {
  align-items: end;
}

.vault-inline-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: #f7f9fc;
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 600;
}

.vault-time {
  color: var(--text-faint);
  font-size: 0.82rem;
  white-space: nowrap;
}

.vault-asset-card h4 {
  margin: 0;
  color: var(--heading);
  line-height: 1.4;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.vault-card-summary {
  margin: 0;
  color: var(--text-soft);
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.vault-card-label {
  display: inline-flex;
}

.vault-empty {
  gap: 10px;
}

.empty-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.empty-icon svg {
  width: 24px;
  height: 24px;
}

.vault-empty .button {
  width: auto;
}

.vault-empty-inline {
  padding: 24px 18px;
  border: 1px dashed var(--border);
  border-radius: 20px;
  background: var(--surface-muted);
}

.vault-empty-page {
  min-height: 320px;
  padding: 34px 20px;
  border: 1px dashed var(--border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(47, 109, 165, 0.06), rgba(255, 255, 255, 0) 34%),
    var(--surface-muted);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.result-pane {
  min-height: 620px;
}

.sticky-pane {
  position: sticky;
  top: 94px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 280px;
  text-align: center;
}

.empty-state.compact {
  min-height: 120px;
}

.result-section + .result-section {
  margin-top: 22px;
}

.prompt-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prompt-card.wide {
  grid-column: 1 / -1;
}

.prompt-body {
  padding: 14px;
  border-radius: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.prompt-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.7;
}

.action-button,
.text-button,
.chip-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-strong);
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.text-button {
  color: var(--text-soft);
}

.chip-button {
  font-size: 0.84rem;
}

.action-button:hover,
.action-button:focus-visible,
.text-button:hover,
.text-button:focus-visible,
.chip-button:hover,
.chip-button:focus-visible {
  transform: translateY(-1px);
  border-color: #cad9e8;
  background: #fbfdff;
}

.action-button.is-active {
  border-color: #c3d6ea;
  background: var(--accent-soft);
  color: var(--accent);
}

.action-button.is-danger {
  color: #b85757;
}

.action-button.is-danger:hover,
.action-button.is-danger:focus-visible {
  border-color: #edcece;
  background: #fff7f7;
  color: #a94747;
}

.button:disabled,
.action-button:disabled,
.text-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.vault-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 48;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.42);
}

.vault-dialog {
  width: min(100%, 460px);
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 26px 64px rgba(15, 23, 42, 0.22);
}

.vault-dialog h3,
.vault-dialog p {
  margin: 0;
}

.vault-dialog h3 {
  color: var(--heading);
}

.vault-dialog p {
  color: var(--text-soft);
}

.vault-dialog-actions {
  justify-content: flex-end;
}

.missing-list li {
  background: #fffaf3;
  border-color: #f1ddba;
}

.status-pill.ok {
  color: var(--success);
  background: rgba(15, 118, 110, 0.08);
  border-color: rgba(15, 118, 110, 0.18);
}

.status-pill.warn {
  color: var(--warning);
  background: rgba(180, 83, 9, 0.08);
  border-color: rgba(180, 83, 9, 0.18);
}

.diagnosis-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.role-toolbar {
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.search-field {
  display: grid;
  gap: 6px;
  width: min(320px, 100%);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.role-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: start;
}

.role-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.role-card {
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.role-card:hover,
.role-card.active {
  transform: translateY(-2px);
  border-color: #cad9e8;
  background: #fbfdff;
}

.pill {
  min-height: 30px;
  padding: 0 10px;
}

.role-detail {
  position: sticky;
  top: 94px;
}

.vault-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 0;
}

.vault-tab-panel {
  display: none;
}

.vault-tab-panel.active {
  display: block;
}

.panel-head {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.vault-list {
  display: grid;
  gap: 14px;
}

.vault-item {
  display: grid;
  gap: 12px;
}

.vault-item .content-preview {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.vault-meta {
  color: var(--text-faint);
  font-size: 0.84rem;
}

.nav-auth {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.nav-login-link {
  white-space: nowrap;
}

.nav-local-note {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-soft);
  font-size: 0.84rem;
  white-space: nowrap;
}

.nav-shortcut {
  white-space: nowrap;
}

.nav-settings-link {
  white-space: nowrap;
}

.logout-form {
  margin: 0;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: inherit;
  text-decoration: none;
}

.user-chip-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-chip-copy {
  display: grid;
  min-width: 0;
}

.user-chip-copy strong,
.user-chip-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-chip-copy strong {
  color: var(--heading);
  font-size: 0.92rem;
}

.user-chip-copy small {
  color: var(--text-soft);
  font-size: 0.8rem;
}

.auth-section {
  padding-top: 54px;
}

.auth-shell {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
  align-items: start;
}

.auth-copy {
  display: grid;
  gap: 20px;
}

.auth-copy h1 {
  margin: 0;
  color: var(--heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 10ch;
}

.auth-copy .lead {
  margin: 0;
  max-width: 30ch;
}

.auth-benefits {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.auth-card {
  display: grid;
  gap: 24px;
  padding: 28px;
}

.auth-heading {
  margin-bottom: 0;
}

.auth-stack {
  display: grid;
  gap: 18px;
}

.auth-form {
  display: grid;
  gap: 16px;
}

.auth-form-secondary {
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.auth-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.auth-feedback,
.auth-preview-code {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-muted);
}

.auth-feedback {
  color: var(--text-soft);
}

.auth-feedback[data-state="success"] {
  border-color: rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
  color: #0f5c56;
}

.auth-feedback[data-state="error"] {
  border-color: rgba(190, 24, 93, 0.18);
  background: rgba(190, 24, 93, 0.08);
  color: #9d174d;
}

.auth-feedback[data-state="info"] {
  border-color: rgba(47, 109, 165, 0.16);
  background: rgba(47, 109, 165, 0.08);
  color: var(--accent-strong);
}

.auth-preview-code strong {
  color: var(--heading);
}

.auth-preview-code span {
  color: var(--text-soft);
}

.auth-preview-code code {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  margin-left: 4px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
}

.auth-divider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 0.84rem;
}

.auth-divider::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  border-top: 1px solid var(--border);
}

.auth-divider span {
  position: relative;
  padding: 0 12px;
  background: #fff;
}

.auth-google-button {
  width: 100%;
}

.auth-wechat-button {
  border-color: #bfe3cf;
  background: #effaf3;
  color: #167a45;
}

.auth-wechat-button:hover,
.auth-wechat-button:focus-visible {
  background: #e5f7ec;
  border-color: #9fd1b5;
}

.migration-card {
  padding: 0;
  overflow: hidden;
}

.migration-head {
  margin-bottom: 0;
  padding: 24px;
}

.migration-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.account-shell,
.settings-shell {
  display: grid;
  gap: 24px;
}

.account-heading {
  margin-bottom: 0;
}

.account-hero-grid,
.account-content-grid {
  display: grid;
  gap: 20px;
}

.account-hero-grid {
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
}

.account-content-grid,
.settings-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: start;
}

.profile-card,
.account-panel,
.settings-form,
.settings-aside {
  display: grid;
  gap: 18px;
}

.profile-card-primary {
  background:
    linear-gradient(180deg, rgba(47, 109, 165, 0.08), rgba(255, 255, 255, 0) 56%),
    #fff;
}

.profile-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.profile-card-head h3,
.account-panel-head h3,
.account-activity-item h4,
.shortcut-card h4 {
  margin: 0;
  color: var(--heading);
}

.profile-card-head p,
.shortcut-card p,
.account-activity-item p {
  margin: 0;
}

.profile-avatar {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 20px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.profile-kv-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-kv {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-muted);
}

.profile-kv span {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.profile-kv strong {
  color: var(--heading);
}

.profile-actions,
.account-activity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.account-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.account-shortcuts {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.shortcut-card {
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.shortcut-card:hover,
.shortcut-card:focus-visible {
  transform: translateY(-2px);
  border-color: #cad9e8;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.account-activity-list {
  display: grid;
  gap: 14px;
}

.account-activity-item {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-muted);
}

.account-activity-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.account-empty-state {
  min-height: 240px;
}

.settings-form .auth-form-actions {
  margin-top: 6px;
}

.site-footer {
  padding: 20px 0 34px;
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-faint);
  font-size: 0.92rem;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  min-width: 220px;
  max-width: 360px;
  padding: 13px 16px;
  border-radius: 14px;
  background: rgba(17, 24, 39, 0.96);
  color: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
}

@media (max-width: 1120px) {
  .section {
    padding: 72px 0;
  }

  .hero-grid,
  .tool-layout,
  .role-layout,
  .story-grid,
  .feature-grid-compact,
  .mini-role-grid,
  .snapshot-grid,
  .support-grid-wide,
  .optimize-console,
  .auth-shell,
  .auth-benefits,
  .account-hero-grid,
  .account-content-grid,
  .settings-layout,
  .account-shortcuts {
    grid-template-columns: 1fr;
  }

  .sticky-pane,
  .role-detail {
    position: static;
  }

  .vault-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .footer-shell,
  .cta-card,
  .role-toolbar,
  .result-topbar,
  .prompt-stage-head,
  .migration-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-shell {
    min-height: 72px;
    gap: 16px;
  }

  .nav-panel {
    display: none;
  }

  .mobile-header-cta {
    display: inline-flex;
    width: auto;
    min-width: 112px;
    min-height: 42px;
    padding: 0 16px;
    margin-left: auto;
  }

  .mobile-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 32;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(248, 250, 252, 0.96);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(16px);
    box-shadow: 0 -10px 30px rgba(15, 23, 42, 0.06);
  }

  .mobile-tab {
    display: grid;
    place-items: center;
    gap: 4px;
    min-height: 56px;
    padding: 8px 10px;
    border-radius: 18px;
    color: var(--text-soft);
    text-align: center;
  }

  .mobile-tab svg {
    width: 20px;
    height: 20px;
  }

  .mobile-tab span {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
  }

  .mobile-tab.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
  }

  body {
    padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  }

  .site-footer {
    padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  }

  .footer-shell,
  .cta-card,
  .role-toolbar,
  .result-topbar,
  .prompt-stage-head,
  .migration-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .field-grid,
  .choice-grid,
  .process-grid,
  .goal-grid,
  .checklist-row,
  .prompt-grid,
  .diagnosis-grid,
  .role-grid,
  .action-row,
  .profile-kv-grid,
  .account-summary-grid {
    grid-template-columns: 1fr;
  }

  .stage-actions {
    justify-content: flex-start;
  }

  .vault-summary-grid,
  .vault-card-grid {
    grid-template-columns: 1fr;
  }

  .vault-toolbar,
  .vault-card-bottom,
  .vault-dialog-actions,
  .account-activity-top {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 900px) and (min-width: 641px) {
  .mobile-tabbar {
    left: 20px;
    right: 20px;
    bottom: 20px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 22px;
  }
}

@media (max-width: 900px) {
  .page-home .hero-copy h1 {
    max-width: 9ch;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .section {
    padding: 54px 0;
  }

  .section-tight {
    padding-top: 24px;
  }

  .hero-section {
    padding-top: 26px;
  }

  .hero-grid {
    gap: 16px;
  }

  .hero-copy {
    display: grid;
    gap: 14px;
  }

  .hero-copy h1,
  .cta-card h2 {
    max-width: none;
  }

  .hero-copy h1 {
    margin: 4px 0 0;
    font-size: clamp(2.35rem, 14vw, 3.2rem);
  }

  .lead {
    font-size: 0.98rem;
    max-width: none;
  }

  .hero-pills {
    gap: 8px;
    margin-top: 4px;
  }

  .hero-pill {
    min-height: 34px;
    padding: 0 10px;
    font-size: 0.82rem;
  }

  .hero-actions,
  .cta-actions,
  .quickplay-buttons {
    width: 100%;
  }

  .quickplay-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quickplay-card {
    min-height: 98px;
    padding: 16px;
  }

  .quickplay-card:last-child {
    grid-column: 1 / -1;
  }

  .button,
  .button-compact {
    width: 100%;
  }

  .mobile-header-cta {
    width: auto;
    min-width: 104px;
    padding: 0 14px;
  }

  .hero-preview,
  .tool-card,
  .vault-panel,
  .cta-card,
  .vault-dialog,
  .auth-card {
    padding: 22px;
  }

  .hero-preview {
    display: none;
  }

  .story-grid {
    gap: 14px;
  }

  .story-bridge {
    display: block;
    margin: -2px 0 2px;
    color: var(--text-soft);
    font-size: 0.93rem;
    text-align: center;
  }

  .feature-grid-compact {
    gap: 14px;
  }

  .vault-summary-card,
  .vault-asset-card,
  .vault-section-card {
    padding: 20px;
  }

  .feature-card,
  .story-card,
  .mini-role-card {
    padding: 20px;
  }

  .mini-role-grid {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    margin: 0 -12px;
    padding: 4px 12px 8px;
    scroll-snap-type: x proximity;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .mini-role-grid::-webkit-scrollbar {
    display: none;
  }

  .mini-role-card {
    flex: 0 0 min(82vw, 300px);
    scroll-snap-align: start;
  }

  .home-role-footer {
    margin-top: 18px;
  }

  .cta-card {
    gap: 18px;
  }

  .user-chip {
    width: 100%;
  }

  .auth-form-actions {
    flex-direction: column;
  }

  .toast {
    left: 12px;
    right: 12px;
    bottom: calc(92px + env(safe-area-inset-bottom, 0px));
    min-width: 0;
  }
}