.page-home {
  --home-line-ink: rgba(201, 214, 211, 0.22);
  --home-diag-top: 58%;
  --home-diag-bottom: 48%;
  background: var(--dc-paper);
  color: var(--dc-text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--dc-header-h) + 40px) 0 48px;
}

.page-home .home-hero__ink,
.page-home .home-hero__edge {
  display: none;
  position: absolute;
  inset: 0;
}

.page-home .home-hero__ink {
  z-index: -2;
  background: var(--dc-ink);
  clip-path: polygon(0 var(--home-diag-top), 100% 44%, 100% 100%, 0 100%);
}

.page-home .home-hero__edge {
  z-index: -1;
  background: var(--dc-copper);
  clip-path: polygon(
    0 var(--home-diag-top),
    100% 44%,
    100% calc(44% + 1px),
    0 calc(var(--home-diag-top) + 1px)
  );
}

.page-home .home-hero__inner {
  display: grid;
  gap: 36px;
}

.page-home .home-hero__eyebrow {
  margin: 0;
  font-family: var(--dc-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--dc-copper);
}

.page-home .home-hero__title {
  margin: 16px 0 0;
  font-family: var(--dc-serif);
  font-weight: 900;
  font-size: clamp(42px, 6.4vw, 80px);
  line-height: 1.06;
  letter-spacing: 0;
  color: var(--dc-text);
}

.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 30em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--dc-blue);
}

.page-home .home-search {
  display: flex;
  align-items: stretch;
  margin-top: 32px;
  max-width: 520px;
  background: var(--dc-card);
  border: 2px solid var(--dc-ink);
  transition: border-color 0.16s ease;
}

.page-home .home-search:focus-within {
  border-color: var(--dc-amber);
}

.page-home .home-search__label {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: var(--dc-ink);
  color: var(--dc-warm);
  font-size: 11px;
  letter-spacing: 0.18em;
  white-space: nowrap;
}

.page-home .home-search__field {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .home-search__input {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 15px 16px;
  font-family: var(--dc-sans);
  font-size: 15px;
  color: var(--dc-text);
  appearance: none;
  outline: none;
}

.page-home .home-search__input::placeholder {
  color: var(--dc-slate);
}

.page-home .home-hero__hot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-hot {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dc-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--dc-line);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-home .home-hot:hover,
.page-home .home-hero__text:focus-within .home-hot {
  color: var(--dc-copper);
  border-bottom-color: var(--dc-copper);
}

.page-home .home-hero__figure {
  margin: 0;
  padding: 24px calc(var(--dc-gutter) * 0.7);
  background: var(--dc-ink);
  clip-path: polygon(0 16px, 100% 0, 100% 100%, 0 100%);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(196, 85, 45, 0.55);
}

/* ---------- 章节通用头 ---------- */
.page-home .home-sec__head {
  display: grid;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--dc-line);
  margin-bottom: 34px;
}

.page-home .home-sec__head--ink {
  border-top-color: var(--home-line-ink);
}

.page-home .home-sec__num {
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--dc-copper);
}

.page-home .home-sec__title {
  margin: 0;
}

.page-home .home-sec__note {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dc-blue);
}

/* ---------- 栏目索引 ---------- */
.page-home .home-directory {
  padding: clamp(44px, 6vw, 78px) 0;
  background: var(--dc-paper);
}

.page-home .home-directory__body {
  display: grid;
  gap: 32px;
}

.page-home .home-directory__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dc-line);
}

.page-home .home-idx {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--dc-line);
  text-decoration: none;
  color: var(--dc-text);
}

.page-home .home-idx__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dc-slate);
  transition: color 0.16s ease;
}

.page-home .home-idx__name {
  font-family: var(--dc-serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  transition: color 0.16s ease;
}

.page-home .home-idx__meta {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dc-slate);
}

.page-home .home-idx:hover .home-idx__name,
.page-home .home-idx:hover .home-idx__num,
.page-home .home-idx:focus-visible .home-idx__name {
  color: var(--dc-copper);
}

.page-home .home-directory__figure {
  margin: 26px 0 0;
  border: 1px solid var(--dc-line);
  background: var(--dc-card);
}

.page-home .home-directory__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .home-directory__feed {
  display: grid;
  gap: 0;
}

.page-home .home-card {
  display: block;
  padding: 18px 20px 18px 22px;
  border-left: 2px solid var(--dc-line);
  border-bottom: 1px solid var(--dc-line);
  text-decoration: none;
  color: var(--dc-text);
  scroll-margin-top: calc(var(--dc-header-h) + 20px);
  transition: border-color 0.14s ease, transform 0.14s ease, background-color 0.14s ease;
}

.page-home .home-card:first-child {
  border-top: 1px solid var(--dc-line);
}

.page-home .home-card:hover,
.page-home .home-card:focus-visible {
  border-left-color: var(--dc-copper);
  background: var(--dc-card);
  transform: translateY(-2px);
}

.page-home .home-card__tag {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dc-slate);
}

.page-home .home-card__title {
  margin: 6px 0 0;
  font-family: var(--dc-serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
}

.page-home .home-card__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dc-blue);
}

.page-home .home-card__latest {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--dc-copper);
}

/* ---------- 更新条带 ---------- */
.page-home .home-updates {
  padding: clamp(44px, 6vw, 72px) 0 0;
  background: var(--dc-paper);
}

.page-home .home-updates__head {
  display: grid;
  gap: 26px;
  padding-bottom: 30px;
}

.page-home .home-updates__intro {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .home-updates__figure {
  margin: 0;
  border-top: 1px solid var(--dc-copper);
}

.page-home .home-updates__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .home-updates__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dc-line);
}

.page-home .home-update {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  gap: 4px 14px;
  padding: 14px max(var(--dc-gutter), calc((100% - var(--dc-max)) / 2 + var(--dc-gutter)));
  background: var(--dc-card);
  border-bottom: 1px solid var(--dc-line);
  text-decoration: none;
  color: var(--dc-text);
  transition: background-color 0.16s ease, color 0.16s ease;
}

.page-home .home-update__num {
  grid-column: 1;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dc-copper);
  transition: color 0.16s ease;
}

.page-home .home-update__body {
  display: contents;
}

.page-home .home-update__title {
  grid-column: 1;
  font-family: var(--dc-sans);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
}

.page-home .home-update__desc {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dc-blue);
  transition: color 0.16s ease;
}

.page-home .home-update__arrow {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: 15px;
  color: var(--dc-amber);
  opacity: 0;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.page-home .home-update:hover,
.page-home .home-update:focus-visible {
  background: var(--dc-ink);
  color: var(--dc-warm);
}

.page-home .home-update:hover .home-update__desc,
.page-home .home-update:focus-visible .home-update__desc {
  color: rgba(244, 239, 230, 0.8);
}

.page-home .home-update:hover .home-update__num,
.page-home .home-update:focus-visible .home-update__num {
  color: var(--dc-amber);
}

.page-home .home-update:hover .home-update__arrow,
.page-home .home-update:focus-visible .home-update__arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ---------- 产品线节奏 ---------- */
.page-home .home-release {
  padding: clamp(48px, 6.5vw, 88px) 0;
  background: var(--dc-card);
}

.page-home .home-release__grid {
  display: grid;
  gap: 30px;
}

.page-home .home-release__figure {
  margin: 0;
}

.page-home .home-release__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--dc-line);
  border-left: 3px solid var(--dc-copper);
}

.page-home .home-release__body {
  display: grid;
  gap: 0;
  align-content: center;
}

.page-home .home-release__body .home-sec__num {
  margin-bottom: 10px;
}

.page-home .home-release__text {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--dc-blue);
}

.page-home .home-release__facts {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--dc-line);
}

.page-home .home-release__facts > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--dc-line);
}

.page-home .home-release__facts dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dc-slate);
}

.page-home .home-release__facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dc-text);
}

.page-home .home-release__btn {
  margin-top: 28px;
  justify-self: start;
}

/* ---------- 可靠性 ---------- */
.page-home .home-proof {
  padding: clamp(48px, 6.5vw, 84px) 0;
  background: var(--dc-ink);
  color: var(--dc-warm);
}

.page-home .home-proof .home-sec__num {
  color: var(--dc-amber);
}

.page-home .home-proof .home-sec__title {
  color: var(--dc-warm);
}

.page-home .home-proof__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--home-line-ink);
}

.page-home .home-proof__list li {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-line-ink);
}

.page-home .home-proof__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--dc-amber);
}

.page-home .home-proof__list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.9);
}

/* ---------- 起步三步 ---------- */
.page-home .home-start {
  padding: clamp(48px, 6.5vw, 88px) 0;
  background: var(--dc-paper);
}

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

.page-home .home-start__list li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding-top: 16px;
  border-top: 2px solid var(--dc-ink);
}

.page-home .home-start__num {
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--dc-copper);
}

.page-home .home-start__list h3 {
  margin: 0;
  font-family: var(--dc-serif);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.4;
}

.page-home .home-start__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dc-blue);
}

.page-home .home-start__link {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dc-copper);
  text-decoration: none;
  border-bottom: 1px solid var(--dc-copper);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-home .home-start__link:hover,
.page-home .home-start__link:focus-visible {
  color: var(--dc-copper-dark);
  border-bottom-color: var(--dc-copper-dark);
}

/* ---------- 断点 ---------- */
@media (min-width: 860px) {
  .page-home .home-hero {
    padding: calc(var(--dc-header-h) + 84px) 0 96px;
  }

  .page-home .home-hero__ink,
  .page-home .home-hero__edge {
    display: block;
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.84fr);
    align-items: center;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .home-hero__figure {
    padding: 0;
    background: transparent;
    clip-path: none;
    border: 1px solid rgba(196, 85, 45, 0.55);
  }

  .page-home .home-hero__figure img {
    border: 0;
  }

  .page-home .home-updates__head {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-home .home-update {
    grid-template-columns: 60px minmax(0, 1fr) minmax(0, 1.1fr) 40px;
    align-items: center;
    gap: 18px;
    padding: 11px max(var(--dc-gutter), calc((100% - var(--dc-max)) / 2 + var(--dc-gutter)));
  }

  .page-home .home-update__num {
    grid-column: 1;
  }

  .page-home .home-update__title {
    grid-column: 2;
  }

  .page-home .home-update__desc {
    grid-column: 3;
  }

  .page-home .home-update__arrow {
    grid-column: 4;
    grid-row: 1;
  }
}

@media (min-width: 900px) {
  .page-home .home-directory__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(1) .home-idx:hover) .home-card:nth-child(1),
  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(2) .home-idx:hover) .home-card:nth-child(2),
  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(3) .home-idx:hover) .home-card:nth-child(3),
  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(4) .home-idx:hover) .home-card:nth-child(4),
  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(5) .home-idx:hover) .home-card:nth-child(5),
  .page-home .home-directory__body:has(.home-directory__nav li:nth-child(6) .home-idx:hover) .home-card:nth-child(6) {
    border-left-color: var(--dc-copper);
    background: var(--dc-card);
    transform: translateY(-2px);
  }

  .page-home .home-release__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }

  .page-home .home-release__facts > div {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-home .home-proof__list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
  }

  .page-home .home-proof__list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
    padding: 22px 0;
  }

  .page-home .home-start__list {
    grid-template-columns: 1.2fr minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-card,
  .page-home .home-update,
  .page-home .home-update__arrow,
  .page-home .home-hot,
  .page-home .home-idx__name,
  .page-home .home-idx__num,
  .page-home .home-start__link {
    transition: background-color 0.01ms, color 0.01ms, border-color 0.01ms, opacity 0.01ms;
    transform: none !important;
  }
}