/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * Hallmark · genre: modern-minimal · macrostructure: Index-First · theme: Cobalt
 * audience: 首次来访的企业客户 · use: 按当前需求找到正确入口 · tone: utilitarian
 * enrichment: none · nav: N13 Inline command pill · footer: Ft2 Inline single line
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · responsive/mobile: pass (34, 49, 50–57) · icons: pass (30)
 */

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

a {
  color: inherit;
}

button {
  color: inherit;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-xs);
  inset-inline-start: var(--space-xs);
  z-index: 1000;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  display: inline-flex;
  align-items: center;
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: var(--radius-control);
  text-decoration: none;
  white-space: nowrap;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(100% - calc(var(--space-sm) * 2), 76rem);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.site-nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 300;
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper);
}

.nav-inner {
  min-height: 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--space-xs);
}

.brand {
  min-width: 0;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  border-radius: var(--radius-control);
}

.brand-copy {
  min-width: 0;
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  overflow: hidden;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 700;
  text-overflow: ellipsis;
}

.brand-copy span {
  display: none;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.search-trigger,
.button-link,
.row-action,
.filter-button,
.dialog-close {
  min-height: 2.75rem;
  border: var(--rule-thin) solid var(--color-rule-2);
  border-radius: var(--radius-control);
  background: var(--color-paper);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.search-trigger,
.button-link,
.row-action,
.filter-button,
.dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.search-trigger {
  gap: var(--space-2xs);
  padding-inline: var(--space-xs);
  cursor: pointer;
}

.search-label {
  display: block;
}

.search-key {
  display: none;
  padding-inline: var(--space-2xs);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.page-intro {
  padding-block: var(--space-lg) var(--space-xl);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.intro-grid {
  display: grid;
  gap: var(--space-lg);
}

.index-kicker {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  min-width: 0;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 24ch;
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

h3 {
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.25;
}

.intro-copy {
  max-width: 65ch;
}

.intro-copy > p {
  max-width: 60ch;
  margin: 0;
  font-size: var(--text-md);
}

.intro-actions {
  margin-block-start: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.button-link {
  padding-inline: var(--space-sm);
}

.button-link.primary {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.proof-item {
  min-width: 0;
  padding-block: var(--space-sm);
}

.proof-item:nth-child(odd) {
  padding-inline-end: var(--space-sm);
}

.proof-item:nth-child(even) {
  padding-inline-start: var(--space-sm);
  border-inline-start: var(--rule-thin) solid var(--color-rule);
}

.proof-item:nth-child(n + 3) {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.proof-item strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.proof-item span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.visual-overview {
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.overview-visual {
  margin: 0 auto;
}

.overview-visual img {
  display: block;
  width: 100%;
  height: 18rem;
  object-fit: cover;
  object-position: center;
  border: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-2);
}

.overview-visual figcaption {
  margin-block-start: var(--space-xs);
  display: grid;
  gap: var(--space-3xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.overview-visual figcaption strong {
  color: var(--color-ink);
}

.content-section {
  padding-block: var(--space-xl);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.section-head {
  max-width: 50rem;
  margin-block-end: var(--space-lg);
  display: grid;
  gap: var(--space-xs);
}

.section-head p {
  max-width: 65ch;
  margin: 0;
  color: var(--color-muted);
}

.task-index,
.site-index {
  border-block-start: var(--rule-thin) solid var(--color-rule-2);
}

.task-row,
.site-row {
  display: grid;
  gap: var(--space-xs);
  padding-block: var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.row-number,
.row-type {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.task-need,
.site-meta {
  margin: 0;
  color: var(--color-muted);
}

.row-action {
  width: fit-content;
  padding-inline: var(--space-sm);
  gap: var(--space-2xs);
  color: var(--color-accent);
}

.site-copy {
  display: grid;
  gap: var(--space-2xs);
}

.site-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.site-links a {
  min-height: 2.75rem;
  padding-inline: var(--space-xs);
  display: inline-flex;
  align-items: center;
  border: var(--rule-thin) solid var(--color-rule-2);
  border-radius: var(--radius-control);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.resource-callout {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
}

.resource-callout p {
  max-width: 65ch;
  margin: 0;
}

.resource-callout .search-trigger {
  width: fit-content;
  padding-inline: var(--space-sm);
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.site-footer {
  padding-block: var(--space-lg);
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.footer-line p {
  margin: 0;
}

.footer-line a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink-2);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.command-dialog {
  position: fixed;
  inset: 0;
  width: min(calc(100% - calc(var(--space-sm) * 2)), 46rem);
  height: min(86dvh, 46rem);
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: var(--rule-thin) solid var(--color-rule-2);
  border-radius: var(--radius-panel);
  background: var(--color-paper);
  color: var(--color-ink-2);
}

.command-dialog[open] {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
}

.command-dialog::backdrop {
  background: var(--color-backdrop);
}

.dialog-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--space-xs);
  padding: var(--space-sm);
}

.dialog-title {
  min-width: 0;
  display: grid;
  gap: var(--space-2xs);
}

.dialog-title h2 {
  font-size: var(--text-md);
  line-height: 1.25;
}

.dialog-title p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.dialog-controls {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border-block: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-2);
}

.search-field {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-xs);
}

.search-field input {
  width: 100%;
  min-height: 3rem;
  padding-inline: var(--space-xs);
  border: var(--rule-thin) solid var(--color-rule-2);
  border-radius: var(--radius-control);
  outline: 2px solid transparent;
  outline-offset: 1px;
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-base);
}

.search-field input::placeholder {
  color: var(--color-muted);
}

.search-field input:focus-visible {
  outline-color: var(--color-focus);
}

.dialog-close {
  width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  cursor: pointer;
}

.filter-rail {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  overflow: visible;
}

.filter-button {
  min-height: 2.75rem;
  flex: 0 0 auto;
  padding-inline: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
  cursor: pointer;
}

.filter-button[aria-pressed="true"] {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

.search-status {
  margin: 0;
  padding: var(--space-2xs) var(--space-sm);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.search-results {
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-2xs) var(--space-sm) var(--space-sm);
  scrollbar-color: var(--color-rule-2) transparent;
  scrollbar-width: thin;
}

.result-link {
  min-height: 3.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  color: var(--color-ink);
  text-decoration: none;
}

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

.result-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-copy span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.result-type {
  padding: var(--space-3xs) var(--space-2xs);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  background: var(--color-paper-3);
  color: var(--color-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.result-link.is-active {
  border-radius: var(--radius-control);
  background: var(--color-paper-2);
  color: var(--color-accent);
  box-shadow: inset 0 0 0 var(--rule-thin) var(--color-rule-2);
}

.empty-state {
  min-height: 12rem;
  display: grid;
  place-items: center;
  align-content: center;
  gap: var(--space-xs);
  color: var(--color-muted);
  text-align: center;
}

.empty-state p {
  margin: 0;
}

.empty-state strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.dialog-foot {
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  justify-content: space-between;
  gap: var(--space-xs);
  border-block-start: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

button:disabled,
a[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.52;
}

.is-loading {
  cursor: progress;
}

.is-error {
  border-color: var(--color-error);
}

.is-success {
  border-color: var(--color-success);
}

@media (hover: hover) and (pointer: fine) {
  .search-trigger:hover,
  .button-link:hover,
  .row-action:hover,
  .site-links a:hover,
  .filter-button:hover,
  .dialog-close:hover {
    background: var(--color-paper-2);
    border-color: var(--color-accent);
  }

  .resource-callout .search-trigger:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
  }

  .button-link.primary:hover {
    background: var(--color-ink-2);
    border-color: var(--color-ink-2);
  }

  .result-link:hover {
    background: var(--color-paper-2);
    color: var(--color-accent);
  }
}

.search-trigger:active,
.button-link:active,
.row-action:active,
.site-links a:active,
.filter-button:active,
.dialog-close:active {
  transform: translateY(1px);
}

@media (min-width: 40rem) {
  .overview-visual img {
    height: min(28rem, 45vw);
  }

  .overview-visual figcaption {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: var(--space-sm);
  }

  .shell {
    width: min(100% - calc(var(--space-lg) * 2), 76rem);
  }

  .brand-copy span {
    display: block;
  }

  .search-key {
    display: inline-flex;
  }

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

  .proof-item,
  .proof-item:nth-child(odd),
  .proof-item:nth-child(even) {
    padding-inline: var(--space-md);
    border-block-start: 0;
  }

  .proof-item:first-child {
    padding-inline-start: 0;
  }

  .proof-item + .proof-item {
    border-inline-start: var(--rule-thin) solid var(--color-rule);
  }

  .task-row {
    grid-template-columns: 3rem minmax(10rem, 0.82fr) minmax(0, 1fr) 9rem;
    align-items: start;
  }

  .task-row .site-meta,
  .task-row .row-action {
    align-self: start;
  }

  .task-row .row-action {
    width: 9rem;
  }

  .site-row {
    grid-template-columns: 8rem minmax(0, 1fr) minmax(15rem, 0.7fr);
    align-items: start;
  }

  .site-links {
    justify-content: flex-end;
  }

  .resource-callout {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

}

@media (min-width: 60rem) {
  .page-intro {
    padding-block: var(--space-xl);
  }

  .content-section {
    padding-block: var(--space-2xl);
  }

}

@media (pointer: coarse) {
  .search-trigger,
  .button-link,
  .row-action,
  .site-links a,
  .filter-button,
  .dialog-close {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-fast) !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: var(--dur-fast) !important;
  }
}