.page-home {
  --home-gap: clamp(14px, 2.4vw, 22px);
  --home-section-y: clamp(40px, 6vw, 84px);
}

/* ---------- 首屏拼贴 ---------- */

.page-home .home-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 54px) 0 clamp(30px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(180deg, rgba(20, 32, 28, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(20, 32, 28, 0.85), transparent 88%);
  pointer-events: none;
}

.page-home .hero-collage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .hero-tile {
  position: relative;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .hero-tile:hover,
.page-home .hero-tile:focus-within {
  border-color: var(--maple);
}

.page-home .hero-tile--lead {
  border-left: 6px solid var(--maple);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-home .hero-title {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .hero-lede {
  margin: 16px 0 0;
  font-size: var(--step-17);
  line-height: 1.75;
  color: var(--graphite);
  max-width: 46ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .hero-tile--art {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--ink);
  border-color: var(--ink);
  display: flex;
  flex-direction: column;
}

.page-home .hero-tile--art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  flex: 1 1 auto;
  min-height: 0;
}

.page-home .hero-art-cap {
  padding: 11px 16px;
  font-size: var(--step-13);
  line-height: 1.6;
  color: var(--snow);
  background: rgba(20, 32, 28, 0.92);
}

.page-home .hero-art-cap .mono {
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-right: 8px;
}

.page-home .hero-tile--stat {
  background: var(--fir);
  border-color: var(--fir);
  display: grid;
  align-content: center;
  gap: 2px;
}

.page-home .hero-tile--stat .stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--snow);
}

.page-home .hero-tile--stat .stat__label {
  margin: 0 0 12px;
  font-size: var(--step-13);
  color: var(--glacier-soft);
}

.page-home .hero-tile--stat .stat__label:last-child {
  margin-bottom: 0;
}

.page-home .hero-tile--paths {
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-home .hero-path {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 12px;
  font-size: var(--step-15);
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .hero-path:last-child {
  border-bottom: 0;
}

.page-home .hero-path .mono {
  font-size: var(--step-13);
  color: var(--maple);
}

.page-home .hero-path::after {
  content: "→";
  margin-left: auto;
  color: var(--glacier);
}

.page-home .hero-path:hover,
.page-home .hero-path:focus-visible {
  background: rgba(169, 205, 224, 0.22);
  color: var(--fir);
}

.page-home .hero-tile--note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  line-height: 1.8;
  color: var(--graphite);
  background: rgba(255, 255, 255, 0.64);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-home .hero-tile--note .mono {
  color: var(--fir-soft);
  letter-spacing: 0.08em;
  margin-right: 6px;
}

.page-home .hero-tile--note a {
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .hero-tile--note a:hover {
  color: var(--maple);
}

@media (min-width: 900px) {
  .page-home .hero-collage {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .hero-tile--lead {
    grid-column: 1 / 5;
    grid-row: 1 / 3;
  }

  .page-home .hero-tile--art {
    grid-column: 5 / 7;
    grid-row: 1 / 4;
  }

  .page-home .hero-tile--art img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 300px;
  }

  .page-home .hero-tile--stat {
    grid-column: 1 / 3;
    grid-row: 3 / 4;
  }

  .page-home .hero-tile--paths {
    grid-column: 3 / 5;
    grid-row: 3 / 4;
  }

  .page-home .hero-tile--note {
    grid-column: 1 / 7;
  }
}

/* ---------- 主体骨架 ---------- */

.page-home .home-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  padding: var(--home-section-y) 0;
}

.page-home .home-axis {
  min-width: 0;
}

.page-home .home-axis .axis-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-axis .axis-list::-webkit-scrollbar {
  display: none;
}

.page-home .home-axis .axis-list__link {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .home-axis .axis-list__link:hover {
  color: var(--fir);
  border-bottom-color: var(--maple);
}

.page-home .home-axis .axis-list__link[aria-current],
.page-home .home-axis .axis-list__link[aria-current="true"] {
  color: var(--maple);
  border-bottom-color: var(--maple);
  background: rgba(196, 52, 42, 0.08);
}

.page-home .home-flow {
  min-width: 0;
  display: grid;
  gap: clamp(38px, 6vw, 82px);
}

@media (min-width: 1000px) {
  .page-home .home-body {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .home-axis {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-home .home-axis .axis-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    border-left: 1px solid var(--line);
    padding-bottom: 0;
  }

  .page-home .home-axis .axis-list__link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
  }

  .page-home .home-axis .axis-list__link:hover,
  .page-home .home-axis .axis-list__link[aria-current] {
    border-left-color: var(--maple);
    border-bottom-color: transparent;
  }
}

/* ---------- 章节通用 ---------- */

.page-home .home-section {
  min-width: 0;
}

.page-home .sec-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .sec-title {
  margin: 8px 0 0;
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .sec-lede {
  margin: 12px 0 0;
  font-size: var(--step-17);
  line-height: 1.75;
  color: var(--graphite);
  max-width: 64ch;
}

/* ---------- 产品线 ---------- */

.page-home .lines-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .lines-media {
  margin: 0;
  background: var(--ink);
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .lines-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .lines-media figcaption {
  padding: 10px 14px;
  font-size: var(--step-13);
  letter-spacing: 0.04em;
  color: var(--glacier-soft);
}

.page-home .lines-list {
  display: grid;
  gap: 12px;
}

.page-home .line-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .line-card:hover,
.page-home .line-card:focus-within {
  border-color: var(--maple);
  background: #FFFCF6;
}

.page-home .line-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-home .line-card__name {
  margin: 0;
  font-size: var(--step-21);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-home .line-card__num {
  font-family: var(--font-mono);
  font-size: var(--step-13);
  color: var(--maple);
}

.page-home .line-card__en {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fir-soft);
}

.page-home .line-card__desc {
  margin: 4px 0 0;
  font-size: var(--step-15);
  line-height: 1.7;
  color: var(--graphite);
}

.page-home .line-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 0;
}

.page-home .line-card__link {
  justify-self: start;
  font-size: var(--step-13);
  font-weight: 700;
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .line-card__link:hover,
.page-home .line-card__link:focus-visible {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

@media (min-width: 640px) {
  .page-home .lines-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 820px) {
  .page-home .lines-layout {
    grid-template-columns: 0.82fr 1.5fr;
    align-items: start;
  }
}

/* ---------- 案例合集 ---------- */

.page-home .case-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .case-media {
  margin: 0;
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--snow);
}

.page-home .case-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-home .case-side {
  display: grid;
  align-content: start;
  gap: 16px;
}

.page-home .case-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .case-points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step-15);
  line-height: 1.72;
  color: var(--graphite);
}

.page-home .case-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--maple);
  border-radius: 1px;
}

.page-home .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-home .case-side .btn {
  justify-self: start;
}

@media (min-width: 880px) {
  .page-home .case-block {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }
}

/* ---------- 文档与更新 ---------- */

.page-home .docs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .docs-cats {
  display: grid;
  align-content: start;
  gap: 14px;
}

.page-home .doc-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-home .doc-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  font-size: var(--step-15);
  color: var(--ink);
  transition: border-color var(--dur) var(--ease);
}

.page-home .doc-cat:hover {
  border-color: var(--maple);
}

.page-home .doc-cat__swatch {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.page-home .docs-cats .btn {
  justify-self: start;
}

.page-home .docs-journal {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--fir);
  border-radius: var(--radius);
  color: var(--snow);
  display: grid;
  align-content: start;
  gap: 12px;
}

.page-home .docs-journal__label {
  margin: 0;
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .docs-journal__title {
  margin: 0;
  font-size: var(--step-21);
  font-weight: 800;
  line-height: 1.3;
  color: var(--snow);
}

.page-home .docs-journal__text {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
}

.page-home .docs-journal .btn {
  justify-self: start;
  margin-top: 4px;
}

@media (min-width: 620px) {
  .page-home .doc-cats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 820px) {
  .page-home .docs-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

/* ---------- 交付与保障 ---------- */

.page-home .deliver-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .deliver-step {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  border-top: 3px solid var(--fir-soft);
  transition: border-color var(--dur) var(--ease);
}

.page-home .deliver-step:hover {
  border-color: var(--maple);
}

.page-home .deliver-step__num {
  font-size: var(--step-13);
  letter-spacing: 0.06em;
  color: var(--maple);
}

.page-home .deliver-step__name {
  font-size: var(--step-17);
  font-weight: 800;
  color: var(--ink);
}

.page-home .deliver-step__text {
  font-size: var(--step-13);
  line-height: 1.7;
  color: var(--graphite);
}

.page-home .assure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.page-home .assure-item {
  padding: 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.page-home .assure-item__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-28);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fir);
}

.page-home .assure-item__label {
  margin: 6px 0 0;
  font-size: var(--step-13);
  line-height: 1.7;
  color: var(--graphite);
}

.page-home .assure-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--graphite);
  max-width: 68ch;
}

.page-home .assure-note a {
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .assure-note a:hover {
  color: var(--maple);
}

@media (min-width: 640px) {
  .page-home .deliver-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1040px) {
  .page-home .deliver-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 手机查询 ---------- */

.page-home .mobile-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .mobile-shot {
  margin: 0;
  justify-self: start;
  width: 100%;
  max-width: 260px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .mobile-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.page-home .mobile-copy {
  display: grid;
  align-content: start;
  gap: 14px;
}

.page-home .mobile-copy p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.78;
  color: var(--graphite);
  max-width: 56ch;
}

.page-home .contact-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 4px;
}

.page-home .contact-tile {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .contact-tile:hover,
.page-home .contact-tile:focus-visible {
  border-color: var(--maple);
  background: #FFFCF6;
}

.page-home .contact-tile .mono {
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--fir-soft);
}

.page-home .contact-tile__value {
  font-family: var(--font-mono);
  font-size: var(--step-15);
  color: var(--ink);
  word-break: break-all;
}

.page-home .mobile-copy .btn {
  justify-self: start;
}

@media (min-width: 620px) {
  .page-home .contact-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 820px) {
  .page-home .mobile-block {
    grid-template-columns: 0.62fr 1.38fr;
    align-items: start;
    gap: clamp(20px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-tile,
  .page-home .hero-path,
  .page-home .line-card,
  .page-home .line-card__link,
  .page-home .doc-cat,
  .page-home .deliver-step,
  .page-home .contact-tile,
  .page-home .home-axis .axis-list__link {
    transition: none;
  }
}