.page-home {
  background: var(--cream);
  color: var(--graphite);
  font-family: var(--font-body);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

/* ---------- 首屏 42:58 分屏 ---------- */
.page-home .hero-split {
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .hero-ink {
  position: relative;
  background: var(--ink-900);
  color: var(--cream);
  padding: calc(var(--header-h) + 40px) var(--gutter) 48px;
  overflow: hidden;
}

.page-home .hero-ink::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(44, 85, 128, 0.55) 0%, rgba(11, 26, 43, 0) 46%),
    repeating-linear-gradient(18deg, rgba(216, 169, 76, 0.08) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-home .hero-crumb {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver);
  margin-bottom: 26px;
}

.page-home .hero-ink .eyebrow {
  position: relative;
  color: var(--copper-light);
}

.page-home .hero-title {
  position: relative;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.14;
  font-weight: 900;
  color: var(--cream);
}

.page-home .hero-lead {
  position: relative;
  margin-top: 22px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(246, 239, 226, 0.82);
}

.page-home .hero-rule {
  display: block;
  width: 148px;
  height: 44px;
  margin-top: 28px;
}

.page-home .hero-cream {
  position: relative;
  background: var(--cream);
  padding: 0 var(--gutter) 40px;
}

.page-home .hero-figure {
  margin: 0 calc(var(--gutter) * -1) 0;
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  max-width: 100%;
  filter: saturate(0.85);
}

.page-home .hero-search {
  position: relative;
  margin: -52px 0 0;
  background: rgba(246, 239, 226, 0.94);
  border: var(--line) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
  padding: 16px;
}

.page-home .hero-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .hero-search .search-input {
  flex: 1 1 160px;
  min-width: 0;
  height: 48px;
  padding: 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-900);
  background: var(--cream);
  border: var(--line) solid var(--ink-900);
  border-radius: 0;
}

.page-home .hero-search .search-input::placeholder {
  color: var(--silver);
}

.page-home .hero-search .search-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(194, 58, 43, 0.55);
}

.page-home .hero-search .search-btn {
  flex: 0 0 auto;
  height: 48px;
  padding: 0 22px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--cinnabar);
  border: var(--line) solid var(--ink-900);
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t);
}

.page-home .hero-search .search-btn:hover,
.page-home .hero-search .search-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--ink-900);
}

.page-home .hero-search .search-btn:focus-visible {
  outline: 3px solid var(--ink-900);
  outline-offset: 3px;
}

.page-home .search-panel {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--sand);
}

.page-home .search-panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ink-700);
  margin-bottom: 10px;
}

.page-home .search-scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .search-scope {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  text-decoration: none;
  background: var(--sand);
  border-left: 4px solid transparent;
  transition: border-color var(--t), background var(--t);
}

.page-home .search-scope:hover,
.page-home .search-scope:focus-visible {
  background: var(--cream);
  border-left-color: var(--copper);
  outline: none;
}

.page-home .search-scope-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-900);
}

.page-home .search-scope-note {
  font-size: 13px;
  color: var(--graphite);
}

.page-home .hero-quick {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .hero-quick a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: var(--line) solid var(--ink-900);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink-900);
  text-decoration: none;
  transition: color var(--t), padding-left var(--t);
}

.page-home .hero-quick a:hover,
.page-home .hero-quick a:focus-visible {
  color: var(--copper);
  padding-left: 8px;
  outline: none;
}

/* ---------- 四条路径 ---------- */
.page-home .paths {
  background: var(--cream);
  padding: 56px 0 48px;
}

.page-home .paths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-home .paths-head h2 {
  font-size: clamp(26px, 5.6vw, 40px);
  line-height: 1.2;
  color: var(--ink-900);
  border-bottom: 3px solid var(--copper);
  padding-bottom: 14px;
  display: inline-block;
}

.page-home .paths-lead {
  margin-top: 18px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
}

.page-home .paths-figure {
  margin: 0;
  border: var(--line) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .paths-figure img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  max-width: 100%;
}

.page-home .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line) solid var(--ink-900);
  grid-column: 1 / -1;
}

.page-home .path-item {
  padding: 22px 0;
  border-bottom: var(--line) solid var(--ink-900);
  transition: background var(--t);
}

.page-home .path-item .index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--copper);
  margin-bottom: 10px;
}

.page-home .path-item h3 {
  font-size: 18px;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.page-home .path-item p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.page-home .path-link,
.page-home .case-link {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--copper);
  padding-bottom: 2px;
  transition: color var(--t), border-color var(--t);
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible,
.page-home .case-link:hover,
.page-home .case-link:focus-visible {
  color: var(--copper);
  border-color: var(--ink-900);
  outline: none;
}

/* ---------- 案例带 ---------- */
.page-home .cases {
  background: var(--sand);
  padding: 56px 0 72px;
  border-top: var(--line) solid var(--ink-900);
  border-bottom: var(--line) solid var(--ink-900);
}

.page-home .cases-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 32px;
}

.page-home .cases-head h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  line-height: 1.22;
  color: var(--ink-900);
  max-width: 16em;
}

.page-home .case-stack {
  display: grid;
  gap: 22px;
}

.page-home .case-card {
  background: var(--cream);
  border: var(--line) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
  padding: 22px 20px 24px;
  transition: transform var(--t), box-shadow var(--t);
}

.page-home .case-card:hover,
.page-home .case-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-home .case-card:focus-within {
  outline: 2px solid var(--copper-light);
  outline-offset: 4px;
}

.page-home .case-media {
  margin: -22px -20px 18px;
  overflow: hidden;
}

.page-home .case-media img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  max-width: 100%;
}

.page-home .case-figure {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  margin-bottom: 8px;
}

.page-home .case-figure span {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-home .case-batch {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-700);
  margin: 14px 0 8px;
}

.page-home .case-card h3 {
  font-size: 19px;
  color: var(--ink-900);
  margin-bottom: 10px;
}

.page-home .case-copy {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-home .case-card--b {
  background: var(--cream);
  box-shadow: 6px 6px 0 var(--ink-700);
}

.page-home .case-card--c {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--cream);
  box-shadow: 6px 6px 0 var(--copper);
}

.page-home .case-card--c h3 {
  color: var(--cream);
}

.page-home .case-card--c .case-figure {
  color: var(--silver);
}

.page-home .case-card--c .case-figure span {
  color: var(--copper-light);
}

.page-home .case-card--c .case-copy {
  color: rgba(246, 239, 226, 0.85);
}

.page-home .case-card--c .case-link {
  color: var(--cream);
  border-color: var(--copper-light);
}

/* ---------- 四步查询 ---------- */
.page-home .flow {
  background: var(--cream);
  padding: 60px 0;
}

.page-home .flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .flow-figure {
  margin: 0;
  border-left: 6px solid var(--ink-700);
  padding-left: 14px;
}

.page-home .flow-figure img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
  max-width: 100%;
  border: var(--line) solid var(--ink-900);
}

.page-home .flow-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
}

.page-home .flow-body h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  line-height: 1.22;
  color: var(--ink-900);
}

.page-home .flow-lead {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
}

.page-home .step-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .step-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--sand);
}

.page-home .step-list li:first-child {
  border-top: var(--line) solid var(--ink-900);
}

.page-home .step-idx {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--copper);
  padding-top: 2px;
}

.page-home .step-list h3 {
  font-size: 17px;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.page-home .step-list p {
  font-size: 14px;
  line-height: 1.8;
}

.page-home .flow-note {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--sand);
  border-left: 6px solid var(--ink-700);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 观察报告 ---------- */
.page-home .reports {
  background: var(--ink-900);
  color: var(--cream);
  padding: 56px 0 60px;
}

.page-home .reports .eyebrow {
  color: var(--copper-light);
}

.page-home .reports-head h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  color: var(--cream);
}

.page-home .reports-lead {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 239, 226, 0.8);
}

.page-home .report-band {
  margin-top: 34px;
  border-top: 2px solid var(--copper);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-home .report-col {
  padding: 24px 0;
  border-bottom: 1px solid rgba(157, 169, 182, 0.28);
}

.page-home .report-col h3 {
  font-size: 19px;
  color: var(--copper-light);
  margin-bottom: 8px;
}

.page-home .report-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 239, 226, 0.66);
  margin-bottom: 14px;
}

.page-home .report-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .report-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid rgba(157, 169, 182, 0.2);
}

.page-home .report-list a {
  flex: 1 1 200px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
  text-decoration: none;
  background-image: linear-gradient(var(--copper-light), var(--copper-light));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size var(--t), color var(--t);
}

.page-home .report-list a:hover,
.page-home .report-list a:focus-visible {
  color: var(--copper-light);
  background-size: 100% 2px;
  outline: none;
}

.page-home .report-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--silver);
}

.page-home .reports-more {
  margin-top: 28px;
}

.page-home .reports .btn--ghost {
  color: var(--cream);
  border-color: var(--cream);
}

/* ---------- 合作区 ---------- */
.page-home .join {
  background: var(--cream);
  padding: 60px 0 68px;
}

.page-home .join-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .join-main h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  line-height: 1.22;
  color: var(--ink-900);
}

.page-home .join-lead {
  margin-top: 16px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
}

.page-home .phase-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .phase-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--sand);
  border-left: 4px solid var(--ink-500);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .phase-list li span {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink-900);
}

.page-home .join-panel {
  background: var(--ink-700);
  color: var(--cream);
  border: var(--line) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
  padding: 24px 20px 26px;
}

.page-home .join-panel h3 {
  font-size: 18px;
  color: var(--cream);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--copper);
}

.page-home .join-panel .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .join-panel .contact-item {
  display: grid;
  gap: 3px;
}

.page-home .join-panel .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper-light);
}

.page-home .join-panel .contact-value {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
  word-break: break-word;
}

.page-home .join-note {
  margin: 18px 0 20px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 239, 226, 0.8);
}

.page-home .join-panel .btn--block {
  width: 100%;
  text-align: center;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-home .hero-split {
    grid-template-columns: 42fr 58fr;
    align-items: stretch;
    min-height: 640px;
  }

  .page-home .hero-ink {
    padding: calc(var(--header-h) + 72px) var(--gutter) 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-home .hero-cream {
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .page-home .hero-figure {
    margin: 0;
    position: absolute;
    inset: 0;
  }

  .page-home .hero-figure img {
    height: 100%;
    object-fit: cover;
  }

  .page-home .hero-cream::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(200deg, rgba(246, 239, 226, 0) 34%, rgba(246, 239, 226, 0.72) 72%);
    pointer-events: none;
  }

  .page-home .hero-search,
  .page-home .hero-quick {
    position: relative;
    z-index: 1;
  }

  .page-home .hero-search {
    margin: 0 clamp(24px, 4vw, 48px) 0;
    padding: 20px;
    background: rgba(246, 239, 226, 0.92);
    backdrop-filter: blur(7px);
  }

  .page-home .search-scope-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .hero-quick {
    margin: 20px clamp(24px, 4vw, 48px) 40px;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-home .hero-quick a {
    display: block;
    font-size: 14px;
    background: rgba(246, 239, 226, 0.9);
    padding: 12px 14px;
    border: var(--line) solid var(--ink-900);
  }

  .page-home .hero-quick a span {
    display: block;
    margin-top: 6px;
    color: var(--copper);
  }

  .page-home .paths {
    padding: 80px 0 64px;
  }

  .page-home .paths-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-home .paths-figure img {
    height: 300px;
  }

  .page-home .path-list {
    grid-template-columns: 1.15fr 1fr 1.25fr 0.9fr;
    margin-top: 20px;
  }

  .page-home .path-item {
    padding: 26px 20px 26px 22px;
    border-bottom: 0;
    border-left: var(--line) solid var(--ink-900);
  }

  .page-home .path-item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-home .path-item:hover {
    background: var(--sand);
  }

  .page-home .case-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
    padding-bottom: 96px;
  }

  .page-home .case-card--b {
    margin-top: 48px;
  }

  .page-home .case-card--c {
    margin-top: 96px;
  }

  .page-home .cases-head {
    margin-bottom: 40px;
  }

  .page-home .flow-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .flow-figure img {
    height: 340px;
  }

  .page-home .report-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 0;
  }

  .page-home .report-col {
    padding: 26px 24px 26px 0;
    border-bottom: 0;
    border-right: 1px solid rgba(157, 169, 182, 0.24);
  }

  .page-home .report-col:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-home .report-col + .report-col {
    padding-left: 24px;
  }

  .page-home .join-grid {
    grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .phase-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1180px) {
  .page-home .hero-title {
    font-size: 62px;
  }

  .page-home .flow-figure img {
    height: 400px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .case-card,
  .page-home .case-card:hover,
  .page-home .case-card:focus-within,
  .page-home .hero-search .search-btn:hover {
    transform: none;
    transition: none;
  }
}
</main>