.page-home {
  display: block;
  background: var(--cream-paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 顶部上下文条 ---------- */
.page-home__context {
  background: var(--cream);
  border-bottom: var(--border);
}

.page-home__context-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 14px 0;
}

.page-home__context-note {
  margin: 0;
  font-size: 14px;
  color: var(--cocoa);
}

.page-home__context-note .pie-mono {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-home__hero {
  position: relative;
  padding: 44px 0 44px;
  overflow: hidden;
}

.page-home__hero-shape {
  position: absolute;
  inset: 0;
  background: var(--pomelo);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 88%);
  z-index: 0;
}

.page-home__hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-home__hero-copy .pie-section__eyebrow {
  display: inline-block;
  margin: 0;
  padding: 5px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-home__hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 16ch;
}

.page-home__hero-lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 44ch;
}

.page-home__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-home__hero-arch {
  margin: 0;
  border: var(--border);
  border-radius: 180px 180px var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}

.page-home__hero-arch img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

/* ---------- 三条入口 ---------- */
.page-home__routes {
  padding: 20px 0 72px;
}

.page-home__routes-grid {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-home__route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 24px 28px;
  background: var(--cream);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home__route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 9px;
  border-radius: 0 0 10px 10px;
  background: var(--home-accent, var(--pomelo));
}

.page-home__route-card:nth-child(1) { --home-accent: var(--pomelo); }
.page-home__route-card:nth-child(2) { --home-accent: var(--berry); }
.page-home__route-card:nth-child(3) { --home-accent: var(--lime); }

.page-home__dish {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 3px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.page-home__route-card:nth-child(1):hover .page-home__dish { background: var(--pomelo); }
.page-home__route-card:nth-child(2):hover .page-home__dish { background: var(--crust); }
.page-home__route-card:nth-child(3):hover .page-home__dish { background: var(--lime); }

.page-home__route-card:hover .page-home__dish,
.page-home__route-card:focus-within .page-home__dish {
  transform: rotate(-7deg);
}

.page-home__route-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
}

.page-home__route-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cocoa);
}

.page-home__route-link {
  margin-top: auto;
  padding-top: 6px;
  align-self: flex-start;
  font-size: 16px;
  font-weight: 700;
  color: var(--berry);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.page-home__route-link:hover,
.page-home__route-link:focus-visible {
  border-bottom-color: var(--berry);
}

/* ---------- 三步分镜 ---------- */
.page-home__steps {
  padding: 64px 0 68px;
  background: var(--paper-grey);
}

.page-home__storyboard {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home__storyboard .pie-storyboard__step {
  list-style: none;
  position: relative;
  padding: 24px 22px 22px;
  background: var(--cream);
  border: var(--border);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-home__storyboard .pie-storyboard__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pomelo);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  border: 2.5px solid var(--ink);
}

.page-home__storyboard h3 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-home__storyboard p {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cocoa);
}

.page-home__step-done {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--berry);
}

.page-home__steps-media {
  margin: 34px 0 0;
}

/* ---------- 版本对照 ---------- */
.page-home__versions {
  padding: 68px 0 72px;
}

.page-home__version-media {
  margin: 34px 0 0;
}

.page-home__mirror {
  margin-top: 34px;
}

.page-home__mirror-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home__mirror-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cocoa);
}

.page-home__mirror-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pomelo);
  border: 2px solid var(--ink);
}

.page-home__mirror-cta {
  margin-top: 32px;
}

/* ---------- 更新公告 ---------- */
.page-home__updates {
  padding: 68px 0;
  background: var(--cream);
  border-top: var(--border);
  border-bottom: var(--border);
}

.page-home__updates-grid {
  display: grid;
  gap: 34px;
}

.page-home__updates-text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cocoa);
}

.page-home__updates-copy .pie-panel {
  margin-top: 24px;
}

.page-home__updates-copy .pie-panel__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cocoa);
}

.page-home__updates-copy .pie-panel__body p:last-child {
  margin-bottom: 0;
}

.page-home__updates-copy .page-home__route-link {
  display: inline-block;
  margin-top: 22px;
}

.page-home__updates-media {
  margin: 0;
}

/* ---------- 文档索引 ---------- */
.page-home__docs {
  padding: 68px 0;
}

.page-home__chips {
  margin-top: 30px;
}

.page-home__doc-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home__doc-item {
  border-left: 7px solid var(--home-accent, var(--pomelo));
  border-radius: var(--radius-md);
}

.page-home__doc-item:nth-child(1) { --home-accent: var(--pomelo); }
.page-home__doc-item:nth-child(2) { --home-accent: var(--berry); }
.page-home__doc-item:nth-child(3) { --home-accent: var(--lime); }
.page-home__doc-item:nth-child(4) { --home-accent: var(--crust); }
.page-home__doc-item:nth-child(5) { --home-accent: var(--caramel); }
.page-home__doc-item:nth-child(6) { --home-accent: var(--cocoa); }

/* ---------- 服务与合作 ---------- */
.page-home__service {
  padding: 68px 0 84px;
  background: var(--paper-grey);
  border-top: var(--border);
}

.page-home__service-grid {
  display: grid;
  gap: 24px;
  margin-top: 34px;
}

.page-home__service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 24px;
  background: var(--cream);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hard);
}

.page-home__service-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
}

.page-home__service-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cocoa);
}

.page-home__service-card .pie-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 13px 16px;
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  background: var(--cream-paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.page-home__service-card .pie-copy:hover {
  background: var(--crust);
}

.page-home__service-card .pie-copy.is-copied {
  background: var(--lime);
}

.page-home__service-card .pie-copy__value {
  overflow-wrap: anywhere;
}

.page-home__service-card .pie-copy__done {
  display: none;
  flex: none;
  font-size: 12px;
  font-weight: 700;
}

.page-home__service-card .pie-copy.is-copied .pie-copy__done {
  display: inline;
}

.page-home__service-hint {
  font-size: 14px;
  color: var(--cocoa);
}

.page-home__service-card .page-home__route-link {
  margin-top: auto;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 400px) {
  .page-home__hero h1 {
    font-size: 30px;
  }

  .page-home__hero-arch {
    border-radius: 120px 120px var(--radius-md) var(--radius-md);
  }

  .page-home__service-card .pie-copy {
    font-size: 13px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home__hero h1 {
    font-size: 40px;
  }

  .page-home__doc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home__hero {
    padding: 76px 0 84px;
  }

  .page-home__hero-shape {
    clip-path: polygon(0 0, 100% 0, 100% 40%, 0 78%);
  }

  .page-home__hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 56px;
  }

  .page-home__hero h1 {
    font-size: 56px;
    max-width: 15ch;
  }

  .page-home__hero-lede {
    font-size: 17px;
  }

  .page-home__routes {
    padding: 28px 0 96px;
  }

  .page-home__routes-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    align-items: start;
    margin-top: 44px;
  }

  .page-home__route-card:nth-child(2) {
    margin-top: 38px;
  }

  .page-home__route-card:nth-child(3) {
    margin-top: 76px;
  }

  .page-home__storyboard {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 44px;
  }

  .page-home__updates-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 56px;
  }

  .page-home__doc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 30px;
  }

  .page-home__service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-top: 44px;
  }
}

/* ---------- 减弱动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home__dish,
  .page-home__route-link,
  .page-home__service-card .pie-copy {
    transition: none;
  }

  .page-home__route-card:hover .page-home__dish,
  .page-home__route-card:focus-within .page-home__dish {
    transform: none;
  }
}