.page-home {
  --home-max: min(1180px, calc(100% - 32px));
  --home-gap: 20px;
  --home-radius-lg: 28px;
  --home-radius-md: 20px;

  background: var(--c-warm);
}

/* ===== Hero 直达中心 ===== */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-bay) 64%, var(--c-azure) 132%);
  color: #fff;
  padding: 44px 20px 56px;
  border-radius: 0 0 var(--home-radius-lg) var(--home-radius-lg);
}

.page-home .home-hero__deco {
  position: absolute;
  top: 16px;
  right: -8px;
  font-family: var(--font-mono);
  font-size: clamp(3.8rem, 10vw, 7.2rem);
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.06);
  letter-spacing: -0.03em;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--home-max);
  margin: 0 auto;
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-home .home-hero .breadcrumb {
  margin-bottom: 4px;
}

.page-home .home-hero .breadcrumb span {
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-home .home-hero .breadcrumb .breadcrumb__sep {
  margin: 0 6px;
  color: rgba(255, 255, 255, 0.4);
}

.page-home .home-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid rgba(255, 176, 32, 0.3);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  margin: 12px 0 16px;
}

.page-home .home-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: #fff;
}

.page-home .home-hero__summary {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  max-width: 34em;
  margin: 0 0 24px;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .home-hero__actions .btn {
  min-width: 148px;
  justify-content: center;
}

.page-home .home-hero__meta {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.page-home .home-hero__visual {
  border-radius: var(--home-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

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

/* ===== 版本对比速览 ===== */
.page-home .home-compare {
  background: var(--c-warm);
  padding: 56px 20px;
}

.page-home .home-compare__inner {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .home-compare .section-head {
  margin-bottom: 20px;
}

.page-home .home-compare__visual {
  margin: 0 0 24px;
  border-radius: var(--home-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

.page-home .home-compare__grid {
  display: grid;
  gap: 18px;
  align-items: stretch;
}

.page-home .home-compare__col {
  border-radius: var(--home-radius-lg);
  padding: 22px 20px;
}

.page-home .home-compare__col--old {
  background: var(--c-frost);
}

.page-home .home-compare__col--new {
  background: #fff;
  border: 2px solid var(--c-orange);
  box-shadow: var(--shadow-soft);
}

.page-home .home-compare__col-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-deep);
}

.page-home .home-compare__col--old .home-compare__col-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-gray);
  flex: none;
}

.page-home .home-compare__col--new .home-compare__col-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-orange);
  flex: none;
}

.page-home .home-compare__tags {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .home-compare__tags li {
  font-size: 0.875rem;
  font-family: var(--font-sans);
  background: #fff;
  color: var(--c-gray);
  border-radius: var(--r-pill);
  padding: 5px 12px;
}

.page-home .home-compare__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-compare__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  align-items: baseline;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-deep);
}

.page-home .home-compare__num {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--c-orange);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  flex: none;
  align-self: center;
}

.page-home .home-compare__name {
  font-weight: 600;
}

.page-home .home-compare__list em {
  grid-column: 2;
  font-style: normal;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--c-gray);
}

.page-home .home-compare__note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-gray);
  margin: 0;
}

.page-home .home-compare__note--new {
  color: var(--c-deep);
}

.page-home .home-compare__arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--c-orange);
  min-height: 40px;
}

.page-home .home-compare__arrow-line {
  display: none;
}

.page-home .home-compare__arrow-head {
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--c-orange);
  border-bottom: 3px solid var(--c-orange);
  transform: rotate(45deg);
  margin-left: 12px;
}

/* ===== 今日更新 ===== */
.page-home .home-updates {
  background: #fff;
  padding: 56px 20px;
}

.page-home .home-updates__inner {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .home-updates__heading {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .home-updates__all-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--c-azure);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--c-azure);
  border-radius: var(--r-pill);
  transition: background 0.2s, color 0.2s;
}

.page-home .home-updates__all-link:hover {
  background: var(--c-azure);
  color: #fff;
}

.page-home .home-updates__layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-home .home-updates__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-updates__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  border-radius: var(--home-radius-md);
  background: var(--c-warm);
  padding: 18px 16px;
  border-left: 4px solid var(--c-azure);
}

.page-home .home-updates__aside {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .home-updates__code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-azure);
  background: rgba(74, 159, 216, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.page-home .home-updates__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-gray);
  white-space: nowrap;
}

.page-home .home-updates__body {
  display: grid;
  gap: 6px;
}

.page-home .home-updates__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .home-updates__title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--c-ink);
}

.page-home .home-updates__desc {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-gray);
  margin: 0;
}

.page-home .home-updates__visual {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--c-warm);
  border-radius: var(--home-radius-lg);
}

.page-home .home-updates__img {
  width: 200px;
  max-width: 100%;
  height: auto;
  border-radius: var(--home-radius-md);
  object-fit: cover;
}

.page-home .home-updates__visual-cap {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-gray);
  margin: 0;
}

/* ===== 服务范围索引 ===== */
.page-home .home-services {
  background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-bay) 70%, var(--c-azure) 140%);
  padding: 56px 20px;
  color: #fff;
}

.page-home .home-services__inner {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .home-services__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-home .home-services .section-head__index {
  color: var(--c-amber);
}

.page-home .home-services .section-head__title {
  color: #fff;
}

.page-home .home-services .section-head__lead {
  color: rgba(255, 255, 255, 0.82);
}

.page-home .home-services__deco {
  width: 120px;
  height: 120px;
  border-radius: var(--home-radius-lg);
  object-fit: cover;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
  flex: none;
}

.page-home .home-services__grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-home .home-service-card {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--home-radius-lg);
  padding: 22px 20px;
  display: grid;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-home .home-service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24);
}

.page-home .home-service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-frost);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .home-service-card__title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-deep);
  margin: 0;
}

.page-home .home-service-card__desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-gray);
  margin: 0;
}

.page-home .home-service-card__more {
  border: 1px solid rgba(11, 31, 58, 0.1);
  border-radius: var(--r-md);
  background: var(--c-warm);
}

.page-home .home-service-card__more summary {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-bay);
  cursor: pointer;
  padding: 12px 14px;
  border-radius: var(--r-md);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.page-home .home-service-card__more summary::-webkit-details-marker {
  display: none;
}

.page-home .home-service-card__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
  color: var(--c-orange);
  transition: transform 0.2s var(--ease);
}

.page-home .home-service-card__more[open] summary::after {
  transform: rotate(45deg);
}

.page-home .home-service-card__more ol {
  margin: 0;
  padding: 0 14px 14px 30px;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-home .home-service-card__link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-orange);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.page-home .home-service-card__link:hover {
  color: var(--c-deep);
}

/* ===== 如何开始 ===== */
.page-home .home-steps {
  background: var(--c-warm);
  padding: 56px 20px;
}

.page-home .home-steps__inner {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .home-steps__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .home-steps__item {
  background: #fff;
  border-radius: var(--home-radius-lg);
  padding: 24px 22px;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.page-home .home-steps__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-amber);
  display: block;
  margin-bottom: 8px;
}

.page-home .home-steps__title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--c-deep);
}

.page-home .home-steps__desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-gray);
  margin: 0;
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-home {
    --home-max: min(1180px, calc(100% - 80px));
    --home-gap: 32px;
  }

  .page-home .home-hero {
    padding: 68px 40px 84px;
    border-radius: 0 0 var(--r-lg) var(--r-lg);
  }

  .page-home .home-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 44px;
  }

  .page-home .home-hero__deco {
    font-size: 8rem;
    right: 40px;
    top: 30px;
  }

  .page-home .home-compare {
    padding: 84px 40px;
  }

  .page-home .home-compare__grid {
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
  }

  .page-home .home-compare__col {
    padding: 28px 26px;
  }

  .page-home .home-compare__arrow {
    flex-direction: column;
    min-height: 100%;
  }

  .page-home .home-compare__arrow-line {
    display: block;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--c-orange), rgba(255, 108, 47, 0.1));
    border-radius: 2px;
  }

  .page-home .home-compare__arrow-head {
    margin-left: 0;
    margin-top: 10px;
    transform: rotate(45deg);
  }

  .page-home .home-updates {
    padding: 84px 40px;
  }

  .page-home .home-updates__heading {
    grid-template-columns: 1fr auto;
    align-items: end;
    margin-bottom: 32px;
  }

  .page-home .home-updates__layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
  }

  .page-home .home-updates__item {
    grid-template-columns: 96px 1fr;
    gap: 12px;
  }

  .page-home .home-updates__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-home .home-updates__visual {
    position: sticky;
    top: 28px;
    justify-items: center;
    padding: 28px 20px;
  }

  .page-home .home-services {
    padding: 84px 40px;
  }

  .page-home .home-services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-home .home-service-card {
    padding: 28px 24px;
  }

  .page-home .home-steps {
    padding: 84px 40px;
  }

  .page-home .home-steps__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-home .home-steps__item {
    padding: 32px 26px;
  }
}

@media (min-width: 1180px) {
  .page-home .home-services__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-service-card {
    transition: none;
  }

  .page-home .home-service-card__more summary::after {
    transition: none;
  }
}