.page-home {
  --home-keyline: rgba(168, 123, 60, .42);
  --home-sink: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  padding-block: clamp(14px, 2vw, 22px);
}
.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font: 500 13px/1.6 var(--font-sans);
  color: var(--ink-600);
}
.page-home .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin: 0 8px;
  color: var(--stone-300);
}
.page-home .breadcrumb-link {
  color: var(--mineral-500);
  text-decoration: none;
}
.page-home .breadcrumb-link:hover,
.page-home .breadcrumb-link:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 38px) clamp(40px, 6vw, 84px);
}
.page-home .hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(191, 217, 228, .62) 0%, rgba(245, 247, 248, 0) 62%),
    linear-gradient(148deg, rgba(42, 124, 158, .16) 0%, rgba(245, 247, 248, 0) 68%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 94%);
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-home .hero-copy {
  min-width: 0;
}
.page-home .hero-title {
  margin: clamp(12px, 1.6vw, 20px) 0 clamp(16px, 2vw, 26px);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(42px, 8.6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}
.page-home .hero-title-line {
  display: block;
}
.page-home .hero-title-line:nth-child(2) {
  color: var(--mineral-700);
}
.page-home .hero-title-tail {
  display: block;
  margin-top: clamp(10px, 1.6vw, 18px);
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--warm-700);
}
.page-home .hero-lead {
  max-width: 56ch;
  margin: 0;
  color: var(--ink-600);
  font-size: clamp(16px, 1.3vw, 17.5px);
  line-height: 1.78;
}

.page-home .hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 22px);
  margin: clamp(26px, 3.2vw, 40px) 0 0;
  padding: clamp(16px, 2vw, 24px) 0 0;
  list-style: none;
  border-top: 1px solid var(--stone-300);
}
.page-home .metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-home .metric-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--mineral-700);
}
.page-home .metric-label {
  font-size: clamp(12px, 1.1vw, 14px);
  line-height: 1.5;
  color: var(--ink-600);
}

.page-home .hero-side {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
  min-width: 0;
}
.page-home .hero-visual {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  box-shadow: var(--shadow-soft);
  background: linear-gradient(150deg, var(--mineral-200), var(--fog-100));
}
.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .hero-index {
  padding: clamp(16px, 1.9vw, 22px);
  border: 1px solid var(--stone-300);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .74);
}
.page-home .hero-index-title {
  margin: 0 0 12px;
  font: 500 13px/1 var(--font-sans);
  letter-spacing: .1em;
  color: var(--ink-600);
}
.page-home .index-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .index-item {
  min-width: 0;
}
.page-home .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 16px;
  text-decoration: none;
  color: var(--ink-900);
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}
.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  border-color: var(--copper-600);
  background: var(--copper-100);
  transform: translateX(3px);
}
.page-home .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--copper-600);
}
.page-home .index-text {
  font-size: 15px;
  font-weight: 600;
}
.page-home .index-note {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-600);
}
.page-home .hero-side-note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--home-keyline);
  font: 500 12.5px/1.5 var(--font-mono);
  letter-spacing: .04em;
  color: var(--ink-600);
}

/* ---------- 12 项栏目对照 ---------- */
.page-home .catalog {
  padding-block: var(--home-sink);
  background: linear-gradient(180deg, rgba(232, 237, 239, 0) 0%, rgba(232, 237, 239, .85) 22%, rgba(232, 237, 239, .85) 78%, rgba(232, 237, 239, 0) 100%);
}
.page-home .catalog-lead {
  max-width: 72ch;
}
.page-home .catalog-visual {
  margin: clamp(24px, 3.4vw, 44px) 0 clamp(22px, 3vw, 36px);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: linear-gradient(120deg, var(--fog-100), var(--mineral-200));
}
.page-home .catalog-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(10px, 1.4vw, 16px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .catalog-item {
  min-width: 0;
  border: 1px solid var(--stone-300);
  border-radius: 18px;
  background: #fff;
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}
.page-home .catalog-item:hover {
  border-color: var(--mineral-500);
  transform: translateY(-2px);
}
.page-home .catalog-item:has(.catalog-check:checked) {
  border-color: var(--copper-600);
  background: var(--copper-100);
}
.page-home .catalog-label {
  position: relative;
  display: block;
  padding: 18px 46px 18px 18px;
  cursor: pointer;
}
.page-home .catalog-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
  color: var(--copper-600);
}
.page-home .catalog-name {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink-900);
}
.page-home .catalog-desc {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-600);
}
.page-home .catalog-check {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 18px;
  height: 18px;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  border: 1px solid var(--stone-300);
  border-radius: 6px;
  background: var(--fog-050);
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}
.page-home .catalog-check:checked {
  background: var(--mineral-500);
  border-color: var(--mineral-500);
}
.page-home .catalog-check:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.page-home .catalog-check:focus-visible {
  outline: 2px solid var(--warm-500);
  outline-offset: 2px;
}

/* ---------- 服务入口与常见场景 ---------- */
.page-home .scenes {
  padding-block: var(--home-sink);
}
.page-home .scene-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin: clamp(24px, 3vw, 40px) 0 0;
}
.page-home .scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--stone-300);
  border-top: 3px solid var(--mineral-700);
  border-radius: var(--radius-card);
  background: #fff;
}
.page-home .scene-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .1em;
  color: var(--warm-700);
}
.page-home .scene h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(19px, 1.8vw, 23px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink-900);
}
.page-home .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-600);
}
.page-home .scene-link {
  margin-top: auto;
  padding-top: 6px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--mineral-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.page-home .scene-link:hover,
.page-home .scene-link:focus-visible {
  color: var(--warm-700);
  border-bottom-color: var(--warm-700);
}

/* ---------- 资料与版本 ---------- */
.page-home .library {
  padding-block: clamp(24px, 3vw, 40px);
}
.page-home .library-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.2vw, 44px);
  padding: clamp(26px, 3.6vw, 56px);
  border-radius: clamp(24px, 3vw, 36px);
  background:
    radial-gradient(100% 120% at 88% 0%, rgba(42, 124, 158, .55) 0%, rgba(18, 63, 85, 0) 58%),
    linear-gradient(142deg, #123F55 0%, #0F3446 52%, #17506B 100%);
  color: var(--fog-050);
  box-shadow: var(--shadow-soft);
}
.page-home .library-copy {
  min-width: 0;
}
.page-home .library-inner .eyebrow {
  color: var(--copper-100);
}
.page-home .library-inner h2 {
  margin: 10px 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: #fff;
}
.page-home .library-lead {
  max-width: 62ch;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(245, 247, 248, .82);
}
.page-home .library-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0 0 clamp(22px, 2.8vw, 32px);
  padding: 0;
  list-style: none;
}
.page-home .library-group {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid rgba(191, 217, 228, .28);
}
.page-home .library-group:last-child {
  border-bottom: 1px solid rgba(191, 217, 228, .28);
}
.page-home .lg-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mineral-200);
}
.page-home .lg-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 248, .76);
}
.page-home .library-inner .btn-solid {
  background: var(--warm-500);
  color: #fff;
}
.page-home .library-visual {
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background: rgba(191, 217, 228, .2);
}
.page-home .library-visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 25 / 16;
  object-fit: cover;
}

/* ---------- 更新线索与联系方式 ---------- */
.page-home .updates {
  padding-block: var(--home-sink);
}
.page-home .updates-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 48px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 36px);
}
.page-home .update-list {
  display: grid;
  gap: clamp(20px, 2.4vw, 30px);
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 1px solid var(--home-keyline);
}
.page-home .update-item {
  position: relative;
  min-width: 0;
}
.page-home .update-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--warm-500);
  box-shadow: 0 0 0 4px var(--fog-050);
}
.page-home .update-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}
.page-home .update-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
}
.page-home .update-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-600);
}

.page-home .contact-card {
  overflow: hidden;
  border: 1px solid var(--stone-300);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.page-home .contact-visual {
  margin: 0;
  background: linear-gradient(140deg, var(--mineral-200), var(--fog-100));
}
.page-home .contact-visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
.page-home .contact-body {
  padding: clamp(20px, 2.4vw, 28px);
}
.page-home .contact-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(19px, 1.9vw, 23px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink-900);
}
.page-home .contact-body > p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-600);
}
.page-home .contact-list {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.page-home .contact-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--stone-300);
}
.page-home .contact-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-home .contact-key {
  font-size: 13px;
  color: var(--ink-600);
}
.page-home .contact-val {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-900);
  word-break: break-word;
}
.page-home a.contact-val {
  text-decoration: none;
  color: var(--mineral-500);
  font-weight: 600;
}
.page-home a.contact-val:hover,
.page-home a.contact-val:focus-visible {
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .library-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(18px, 2.4vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(28px, 3.4vw, 56px);
  }
  .page-home .library-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-home .updates-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 820px) {
  .page-home .scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-home .scene:nth-child(2) {
    margin-top: 28px;
  }
  .page-home .scene:nth-child(3) {
    margin-top: 56px;
  }
}

@media (min-width: 1080px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-home .hero-metrics {
    gap: 10px;
  }
  .page-home .metric-num {
    font-size: 26px;
  }
  .page-home .metric-label {
    font-size: 12px;
  }
  .page-home .contact-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
  .page-home .library-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-link,
  .page-home .catalog-item,
  .page-home .scene-link,
  .page-home .catalog-check {
    transition: none;
  }
  .page-home .index-link:hover,
  .page-home .index-link:focus-visible,
  .page-home .catalog-item:hover {
    transform: none;
  }
}