/* ==========================================================
   Page Home — 拼贴首屏 + 纵向叙事长卷
   所有选择器均限定在 .page-home 作用域内
   ========================================================== */

.page-home {
  position: relative;
  background-color: var(--paper-050);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  padding-top: calc(var(--header-h) + 16px);
  padding-bottom: 8px;
}

.page-home .home-crumb .breadcrumb {
  color: var(--ink-600);
}

.page-home .home-crumb .breadcrumb__sep {
  color: var(--cinnabar-600);
  margin: 0 6px;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(8px, 1.5vw, 20px) 0 clamp(56px, 8vw, 96px);
  background-image:
    linear-gradient(rgba(20, 17, 15, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 17, 15, 0.06) 1px, transparent 1px);
  background-size: 84px 84px;
  background-position: center top;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--cinnabar-600);
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
}

.page-home .hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 6.4vw, 96px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 12px 0 24px;
}

.page-home .hero-lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--ink-600);
  max-width: 36em;
  margin-bottom: 28px;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-home .hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 16px 0 0;
  border-top: var(--line);
  list-style: none;
  margin: 0;
}

.page-home .hero-signals li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-600);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-home .hero-signals span {
  color: var(--cinnabar-600);
  font-weight: 600;
}

/* --- 右侧拼贴区 --- */
.page-home .hero-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-home .hero-photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .hero-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  max-height: 540px;
  object-fit: cover;
}

.page-home .hero-photo figcaption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold-100);
  background: rgba(20, 17, 15, 0.7);
  padding: 4px 8px;
}

.page-home .hero-note {
  background: var(--paper-050);
  border: var(--line);
  padding: 20px 22px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-home .hero-note h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink-900);
  margin: 10px 0 6px;
}

.page-home .hero-note p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-600);
  margin: 0;
  overflow-wrap: break-word;
}

@media (min-width: 900px) {
  .page-home .hero-side {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .page-home .hero-photo {
    width: 86%;
    align-self: flex-start;
  }
  .page-home .hero-note--record {
    width: 84%;
    margin-top: -40px;
    margin-left: auto;
    z-index: 2;
  }
  .page-home .hero-note--channel {
    width: 74%;
    margin-top: -16px;
    margin-left: 0;
    z-index: 2;
  }
}

/* ---------- 章节头 ---------- */
.page-home .section-head {
  max-width: 42em;
}

.page-home .section-head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 12px 0 0;
}

.page-home .section-lead {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
  margin-top: 14px;
  max-width: 38em;
}

.page-home .section-head--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  max-width: none;
}

/* ---------- 四项能力 ---------- */
.page-home .ability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}

@media (min-width: 640px) {
  .page-home .ability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-home .ability-grid {
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
  }
  .page-home .ability-card:nth-child(2) { margin-top: 32px; }
  .page-home .ability-card:nth-child(3) { margin-top: -10px; }
  .page-home .ability-card:nth-child(4) { margin-top: 44px; }
}

.page-home .ability-card {
  background: var(--paper-050);
  border: var(--line);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .ability-card:hover {
  border-color: var(--cinnabar-600);
  box-shadow: var(--shadow-card);
}

.page-home .ability-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cinnabar-600);
}

.page-home .ability-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-900);
  margin: 0;
}

.page-home .ability-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
  margin: 0;
  flex: 1;
}

.page-home .ability-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bamboo-600);
  text-decoration: none;
  margin-top: 8px;
  align-self: flex-start;
  transition: color var(--dur) var(--ease);
}

.page-home .ability-link:hover {
  color: var(--cinnabar-600);
}

/* ---------- 时间线 ---------- */
.page-home .home-timeline {
  background: var(--paper-100);
}

.page-home .timeline-wrap {
  position: relative;
  margin-top: 40px;
  overflow: hidden;
}

.page-home .timeline-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-home .timeline {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 32px 0;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  top: 32px;
  bottom: 32px;
  left: 11px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cinnabar-600), var(--gold-500));
}

.page-home .tl-item {
  position: relative;
  padding: 0 0 40px 56px;
}

.page-home .tl-item:last-child {
  padding-bottom: 0;
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cinnabar-600);
  box-shadow: 0 0 0 4px var(--paper-100);
  z-index: 2;
}

.page-home .tl-year {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  color: var(--cinnabar-600);
  display: block;
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-home .tl-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 6px 0 6px;
}

.page-home .tl-body p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
  margin: 0;
  max-width: 34em;
}

@media (min-width: 900px) {
  .page-home .timeline {
    max-width: 860px;
    margin: 0 auto;
    padding: 48px 0;
  }
  .page-home .timeline::before {
    top: 48px;
    bottom: 48px;
  }
}

/* ---------- 服务规模 ---------- */
.page-home .home-stats {
  background: var(--ink-900);
  color: var(--paper-050);
}

.page-home .home-stats .eyebrow {
  color: var(--gold-500);
}

.page-home .home-stats .eyebrow::before {
  background: var(--gold-500);
}

.page-home .home-stats .section-head h2 {
  color: var(--paper-050);
}

.page-home .stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid rgba(247, 242, 232, 0.18);
}

@media (min-width: 640px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-home .stat {
  padding: 28px 24px;
  border-bottom: 1px solid rgba(247, 242, 232, 0.18);
}

@media (min-width: 640px) {
  .page-home .stat {
    border-right: 1px solid rgba(247, 242, 232, 0.18);
  }
  .page-home .stat:nth-child(2n) {
    border-right: none;
  }
}

@media (min-width: 1024px) {
  .page-home .stat {
    border-right: 1px solid rgba(247, 242, 232, 0.18);
    border-bottom: none;
  }
  .page-home .stat:last-child {
    border-right: none;
  }
}

.page-home .stat-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 6vw, 76px);
  line-height: 1;
  color: var(--gold-500);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-home .stat-num span {
  font-size: 0.36em;
  font-family: var(--font-body);
  color: var(--paper-200);
  font-weight: 400;
}

.page-home .stat-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper-200);
  margin: 8px 0 14px;
  display: block;
}

.page-home .stat p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.72);
  margin: 0;
}

/* ---------- 专栏横向带 ---------- */
.page-home .column-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 28px clamp(20px, 5vw, 48px) 36px;
  margin-top: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .col-card {
  flex: 0 0 82%;
  max-width: 340px;
  scroll-snap-align: start;
  background: var(--paper-050);
  border: var(--line);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--dur) var(--ease);
}

.page-home .col-card:hover {
  border-color: var(--cinnabar-600);
}

@media (min-width: 640px) {
  .page-home .col-card {
    flex: 0 0 46%;
  }
}

@media (min-width: 1024px) {
  .page-home .col-card {
    flex: 0 0 23%;
  }
}

.page-home .col-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-600);
  letter-spacing: 0.08em;
  margin: 0;
}

.page-home .col-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-900);
  margin: 0;
}

.page-home .col-desc {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-600);
  margin: 0;
  flex: 1;
}

.page-home .col-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bamboo-600);
  text-decoration: none;
  margin-top: auto;
  transition: color var(--dur) var(--ease);
}

.page-home .col-link:hover {
  color: var(--cinnabar-600);
}

/* ---------- 三步开启 ---------- */
.page-home .home-steps {
  background: var(--paper-100);
}

.page-home .step-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

@media (min-width: 768px) {
  .page-home .step-list {
    grid-template-columns: repeat(3, 1fr);
    border-top: none;
  }
}

.page-home .step-item {
  padding: 28px 0;
  border-bottom: var(--line);
  position: relative;
}

.page-home .step-item:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .page-home .step-item {
    padding: 32px 28px;
    border-bottom: none;
    border-right: var(--line);
  }
  .page-home .step-item:first-child {
    padding-left: 0;
  }
  .page-home .step-item:last-child {
    border-right: none;
  }
  .page-home .step-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--cinnabar-600);
    transform: scaleX(0.35);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
  }
  .page-home .step-item:hover::before {
    transform: scaleX(1);
  }
}

.page-home .step-num {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 300;
  color: var(--cinnabar-600);
  opacity: 0.35;
  line-height: 1;
  display: block;
}

.page-home .step-item h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 10px 0 8px;
}

.page-home .step-item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
  margin: 0;
}

.page-home .steps-actions {
  margin-top: 36px;
}

/* ---------- 唯一通道 ---------- */
.page-home .home-contact {
  background: var(--ink-900);
  color: var(--paper-050);
  position: relative;
  overflow: hidden;
}

.page-home .home-contact::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -12%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, rgba(224, 166, 60, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.page-home .contact-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .page-home .contact-panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

.page-home .home-contact .eyebrow {
  color: var(--gold-500);
}

.page-home .home-contact .eyebrow::before {
  background: var(--gold-500);
}

.page-home .contact-copy h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  color: var(--paper-050);
  margin: 12px 0 18px;
}

.page-home .contact-copy > p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.78);
  margin: 0 0 14px;
  max-width: 36em;
}

.page-home .contact-note {
  font-size: 13px !important;
  color: rgba(247, 242, 232, 0.6) !important;
  border-left: 3px solid var(--gold-500);
  padding-left: 14px;
}

.page-home .contact-side {
  background: rgba(247, 242, 232, 0.05);
  border: 1px solid rgba(247, 242, 232, 0.15);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.page-home .contact-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(247, 242, 232, 0.1);
}

.page-home .contact-item:first-child {
  padding-top: 0;
}

.page-home .contact-item:last-of-type {
  border-bottom: none;
  padding-bottom: 6px;
}

.page-home .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
  display: block;
  margin-bottom: 4px;
}

.page-home .contact-item p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--paper-050);
  margin: 0;
  overflow-wrap: break-word;
  word-break: break-all;
}

.page-home .contact-side .btn--gold {
  margin-top: 20px;
  align-self: flex-start;
}
<<<END>>>