.page-home {
  --ph-gap: clamp(1.5rem, 4vw, 3.5rem);
  --ph-soft-shadow: 0 18px 40px -32px rgba(20, 16, 14, .55);
}

/* ---------- 首屏框景 ---------- */
.page-home .ph-hero {
  padding-block: clamp(1.25rem, 3vw, 2.5rem) clamp(2.5rem, 6vw, 5rem);
}

.page-home .ph-hero__frame {
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(1rem, 3vw, 2.5rem);
}

.page-home .ph-hero__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.page-home .ph-hero__title {
  margin: .7rem 0 0;
  font-size: clamp(2rem, 6.6vw, 4.2rem);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .ph-hero__sub {
  margin: 1.15rem 0 0;
  max-width: 36em;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--taupe);
}

.page-home .ph-hero__actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-home .ph-hero__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--cream);
  aspect-ratio: 8 / 5;
}

.page-home .ph-hero__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 四个入口 ---------- */
.page-home .ph-entries {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
  grid-template-columns: 1fr;
}

.page-home .ph-entry {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  height: 100%;
  padding: 1.05rem 1.15rem 1.15rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red-clay);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--ink);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .ph-entry:hover,
.page-home .ph-entry:focus-visible {
  transform: translateY(-4px);
  border-left-color: var(--turq);
  background: var(--paper);
  box-shadow: var(--ph-soft-shadow);
}

.page-home .ph-entry__label {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--red-clay);
}

.page-home .ph-entry:hover .ph-entry__label,
.page-home .ph-entry:focus-visible .ph-entry__label {
  color: var(--turq);
}

.page-home .ph-entry__text {
  flex: 1 1 auto;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--taupe);
}

.page-home .ph-entry__go {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-home .ph-hero__announce {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: .7rem 1.05rem;
  background: var(--gold-lite);
  border-radius: var(--r-pill);
  font-size: .875rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .ph-hero__pulse {
  flex: 0 0 auto;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--red-clay);
}

/* ---------- 路径对照 ---------- */
.page-home .ph-path {
  background: var(--paper);
}

.page-home .ph-path__title {
  margin: .6rem 0 0;
}

.page-home .ph-path__lead {
  margin-top: 1rem;
  color: var(--taupe);
}

.page-home .ph-path__grid {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.page-home .ph-path__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--cream);
}

.page-home .ph-path__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ph-path__compare {
  display: grid;
  gap: 1rem;
}

.page-home .ph-path__col {
  padding: 1.15rem 1.2rem 1.35rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-home .ph-path__col--old {
  background: var(--cream);
  border-style: dashed;
}

.page-home .ph-path__col--new {
  background: var(--turq);
  border-color: var(--turq);
  color: var(--paper);
}

.page-home .ph-steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-home .ph-step {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-size: .9rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .ph-path__col--new .ph-step {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .3);
  color: var(--paper);
  font-weight: 700;
}

.page-home .ph-step__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--red-clay);
}

.page-home .ph-path__col--new .ph-step__num {
  color: var(--gold);
}

.page-home .ph-path__foot {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--taupe);
}

.page-home .ph-path__col--new .ph-path__foot {
  color: var(--gold-lite);
}

/* ---------- 案例合集 ---------- */
.page-home .ph-cases {
  background: var(--cream);
}

.page-home .ph-cases__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 3rem);
}

.page-home .ph-cases__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--paper);
}

.page-home .ph-cases__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ph-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.4rem 0 1.6rem;
  padding: 0;
}

.page-home .ph-tag {
  padding: .42rem .95rem;
  border-radius: var(--r-pill);
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: .85rem;
  color: var(--ink);
}

/* ---------- 帮助文档 ---------- */
.page-home .ph-docs {
  background: var(--paper);
}

.page-home .ph-docs__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 3rem);
}

.page-home .ph-doc-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-home .ph-doc {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  padding: .9rem 1.05rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-home .ph-doc__num {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--red-clay);
  padding-top: .2rem;
}

.page-home .ph-doc__body {
  min-width: 0;
}

.page-home .ph-doc__name {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-home .ph-doc__desc {
  margin: .3rem 0 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--taupe);
}

.page-home .ph-docs__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--cream);
  aspect-ratio: 1 / 1;
}

.page-home .ph-docs__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 产品线 ---------- */
.page-home .ph-products {
  background: var(--lake);
  color: var(--gold-lite);
}

.page-home .ph-products__title {
  margin: .6rem 0 0;
  color: var(--cream);
}

.page-home .ph-products__lead {
  margin: 1rem 0 0;
  max-width: 42em;
  line-height: 1.85;
  color: var(--turq-lite);
}

.page-home .ph-line-grid {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
}

.page-home .ph-line {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.15rem 1.2rem 1.3rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(241, 226, 190, .07);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .ph-line:hover,
.page-home .ph-line:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: rgba(241, 226, 190, .14);
}

.page-home .ph-line__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-home .ph-line__name {
  margin: .2rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
}

.page-home .ph-line__desc {
  flex: 1 1 auto;
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--turq-lite);
}

.page-home .ph-line .chip {
  align-self: flex-start;
}

.page-home .ph-line .chip--live {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-home .ph-products .btn--gold {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

/* ---------- 更新节奏 ---------- */
.page-home .ph-updates {
  background: var(--cream);
}

.page-home .ph-rhythm {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
}

.page-home .ph-rhythm__item {
  padding: 1.15rem 1.2rem 1.3rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--r-md);
}

.page-home .ph-rhythm__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--red-clay);
}

.page-home .ph-rhythm__text {
  margin: .55rem 0 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--taupe);
}

.page-home .ph-updates__hint {
  margin: 1.4rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--taupe);
}

.page-home .ph-updates__hint a {
  color: var(--turq);
  font-weight: 700;
  text-underline-offset: .22em;
}

/* ---------- 收尾行动 ---------- */
.page-home .ph-cta {
  padding-block: clamp(2rem, 5vw, 4rem);
}

.page-home .ph-cta__inner {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.35rem, 3.5vw, 2.75rem);
  border: 2px solid var(--red-clay);
  border-radius: var(--r-lg);
  background: var(--turq);
  color: var(--paper);
}

.page-home .ph-cta__copy h2 {
  margin: .6rem 0 0;
  color: var(--paper);
}

.page-home .ph-cta__copy p {
  margin: .9rem 0 0;
  max-width: 48em;
  line-height: 1.85;
  color: var(--gold-lite);
}

.page-home .ph-cta .btn--gold {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .ph-path__compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-home .ph-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-line-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .ph-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-home .ph-cta .btn--gold {
    justify-self: end;
  }
}

@media (min-width: 980px) {
  .page-home .ph-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-home .ph-path__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .ph-cases__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .page-home .ph-cases__media {
    transform: translateY(-28px);
  }

  .page-home .ph-docs__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .ph-entries {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .ph-rhythm {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-home .ph-line-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-entry,
  .page-home .ph-line {
    transition: none;
  }

  .page-home .ph-entry:hover,
  .page-home .ph-entry:focus-visible,
  .page-home .ph-line:hover,
  .page-home .ph-line:focus-within {
    transform: none;
  }
}