.page-home {
  --home-gap: clamp(18px, 2.6vw, 34px);
  --home-block: clamp(30px, 4.2vw, 60px);
}

/* ---------- 封面带 ---------- */

.page-home .home-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(30px, 4.6vw, 62px) 0 clamp(34px, 5vw, 72px);
  color: var(--paper);
  background:
    radial-gradient(115% 85% at 86% 6%, rgba(194, 94, 39, 0.62) 0%, rgba(194, 94, 39, 0) 58%),
    radial-gradient(90% 70% at 4% 96%, rgba(232, 132, 60, 0.3) 0%, rgba(232, 132, 60, 0) 62%),
    linear-gradient(158deg, var(--pine) 0%, var(--anchor-deep) 54%, var(--pine) 100%);
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(246, 241, 231, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(246, 241, 231, 0.055) 1px, transparent 1px);
  background-size: 76px 76px;
}

.page-home .home-cover > .shell {
  position: relative;
  z-index: 1;
}

.page-home .cover-grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
  align-items: end;
}

.page-home .cover-title {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .cover-lead__text {
  max-width: 36em;
  margin: 0 0 26px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.86);
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.page-home .cover-visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(184, 134, 63, 0.42);
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.85);
}

.page-home .cover-visual__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .cover-version {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: clamp(14px, 2vw, 22px) clamp(16px, 2.4vw, 28px);
  background: linear-gradient(to top, rgba(14, 58, 92, 0.95) 0%, rgba(14, 58, 92, 0.6) 62%, rgba(14, 58, 92, 0) 100%);
}

.page-home .cover-version__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(46px, 8.4vw, 104px);
  line-height: 0.86;
  letter-spacing: -0.03em;
  background: linear-gradient(150deg, var(--flare) 0%, var(--clay) 55%, var(--copper) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.page-home .cover-version__label {
  flex: 1 1 11em;
  max-width: 22em;
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.84);
}

.page-home .cover-index {
  list-style: none;
  margin: clamp(30px, 4.4vw, 56px) 0 0;
  padding: clamp(16px, 2.4vw, 26px) 0 0;
  border-top: 1px solid rgba(184, 134, 63, 0.4);
  display: grid;
  gap: 4px 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .cover-index__item {
  min-width: 0;
}

.page-home .cover-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: rgba(246, 241, 231, 0.82);
  text-decoration: none;
  transition: color 200ms ease;
}

.page-home .cover-index__link::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease;
}

.page-home .cover-index__link:hover,
.page-home .cover-index__link:focus-visible {
  color: var(--white);
}

.page-home .cover-index__link:hover::before,
.page-home .cover-index__link:focus-visible::before {
  background: var(--flare);
  border-color: var(--flare);
  transform: translateY(2px);
}

/* ---------- 四条核心路径 ---------- */

.page-home .home-paths {
  background: var(--paper);
  color: var(--ink);
}

.page-home .paths-visual {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--copper-line);
  box-shadow: var(--shadow-soft);
}

.page-home .paths-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 12;
  object-fit: cover;
}

.page-home .paths-visual__cap {
  padding: 10px 16px;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bronze);
  background: var(--paper-2);
  border-top: 1px solid var(--copper-line);
}

.page-home .path-grid {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 2.6vw, 32px);
  min-width: 0;
}

.page-home .path-card .card__body {
  margin: 0 0 6px;
}

.page-home .path-card__link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding-bottom: 2px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  color: var(--anchor);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-line);
  transition: color 200ms ease, border-color 200ms ease;
}

.page-home .path-card__link::after {
  content: "→";
  transition: transform 200ms ease;
}

.page-home .path-card__link:hover,
.page-home .path-card__link:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

.page-home .path-card__link:hover::after,
.page-home .path-card__link:focus-visible::after {
  transform: translateX(4px);
}

/* ---------- 维护记录 ---------- */

.page-home .home-log {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: linear-gradient(160deg, var(--pine) 0%, var(--pine-soft) 100%);
}

.page-home .log-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .log-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.page-home .home-log > .shell {
  position: relative;
  z-index: 1;
}

.page-home .log-layout {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

.page-home .log-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-home .log-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(246, 241, 231, 0.8);
}

.page-home .log-switch .tabs__list {
  border-bottom: 1px solid var(--copper-line);
}

.page-home .log-switch .tabs__tab {
  color: rgba(246, 241, 231, 0.66);
  background: transparent;
  border: 0;
}

.page-home .log-switch .tabs__tab[aria-selected="true"] {
  color: var(--white);
  box-shadow: inset 0 -2px 0 0 var(--flare);
}

.page-home .log-switch .tabs__panel[hidden] {
  display: none;
}

.page-home .log-list {
  --log-pad: clamp(22px, 3vw, 40px);
  list-style: none;
  margin: 0;
  padding: 26px 0 0 var(--log-pad);
  border-left: 1px solid var(--copper-line);
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-home .log-item {
  position: relative;
  min-width: 0;
}

.page-home .log-item::before {
  content: "";
  position: absolute;
  left: calc(var(--log-pad) * -1 - 5px);
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 0 4px rgba(194, 94, 39, 0.18);
}

.page-home .log-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 6px;
}

.page-home .log-item__idx {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-home .log-item__title {
  margin: 0;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.5;
  color: var(--white);
}

.page-home .log-item__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(246, 241, 231, 0.82);
}

/* ---------- 服务覆盖 ---------- */

.page-home .home-coverage {
  background: var(--paper-2);
  color: var(--ink);
}

.page-home .coverage-grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.page-home .coverage-title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(30px, 4.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-home .coverage-lead {
  max-width: 62ch;
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  color: var(--ink);
}

.page-home .coverage-stats {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--copper-line);
}

.page-home .coverage-stats .stat {
  min-width: 0;
}

.page-home .coverage-stats .stat__num {
  font-family: var(--font-mono);
  color: var(--clay);
}

.page-home .coverage-stats .stat__label {
  font-family: var(--font-ui);
  color: var(--bronze);
}

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

.page-home .coverage-mark img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--copper-line);
}

.page-home .coverage-mark__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--bronze);
}

/* ---------- 收束带 ---------- */

.page-home .home-next {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(90% 120% at 92% 0%, rgba(194, 94, 39, 0.42) 0%, rgba(194, 94, 39, 0) 62%),
    linear-gradient(140deg, var(--anchor-deep) 0%, var(--pine) 100%);
}

.page-home .next-inner {
  max-width: 64ch;
}

.page-home .next-title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 4.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .next-text {
  margin: 0 0 clamp(24px, 3vw, 36px);
  font-size: 16px;
  line-height: 1.82;
  color: rgba(246, 241, 231, 0.84);
}

.page-home .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .cover-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .paths-visual img {
    aspect-ratio: 21 / 8;
  }

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

@media (min-width: 960px) {
  .page-home .cover-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-home .path-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .path-grid > *:nth-child(1) {
    grid-column: span 5;
  }

  .page-home .path-grid > *:nth-child(2) {
    grid-column: span 7;
  }

  .page-home .path-grid > *:nth-child(3) {
    grid-column: span 7;
  }

  .page-home .path-grid > *:nth-child(4) {
    grid-column: span 5;
  }

  .page-home .log-layout {
    grid-template-columns: minmax(220px, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-home .coverage-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.72fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .cover-index {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cover-index__link,
  .page-home .cover-index__link::before,
  .page-home .path-card__link::after {
    transition: none;
  }

  .page-home .cover-index__link:hover::before,
  .page-home .cover-index__link:focus-visible::before {
    transform: none;
  }
}