.page-home {
  --ph-arc: clamp(40px, 8vw, 84px);
}

/* ---------- 上下文条 ---------- */
.page-home .ph-context {
  background: var(--ink-2);
  border-bottom: 1px solid rgba(185, 174, 203, 0.16);
}

.page-home .ph-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem 1.25rem;
  padding: 0.7rem 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-home .ph-context__crumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ivory);
}

.page-home .ph-context__hint {
  margin: 0;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 6vw, 4.25rem) 0 clamp(2.5rem, 7vw, 4.75rem);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(232, 181, 74, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, rgba(11, 7, 19, 0.95) 100%);
}

.page-home .ph-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 70%;
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
}

.page-home .ph-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(21, 11, 36, 0.55) 0%, rgba(21, 11, 36, 0.92) 70%, var(--ink) 100%);
}

.page-home .ph-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .ph-hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ivory);
  margin: 0.55rem 0 1rem;
}

.page-home .ph-hero__title-gold {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .ph-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 239, 227, 0.86);
}

/* 查询框 */
.page-home .ph-find {
  position: relative;
  margin-top: clamp(1.5rem, 4vw, 2rem);
  padding: 1.1rem 1.15rem 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(36, 20, 54, 0.94), rgba(11, 7, 19, 0.9));
  border: 1px solid rgba(232, 181, 74, 0.3);
  box-shadow: 0 20px 44px -28px rgba(232, 181, 74, 0.6);
  overflow: hidden;
}

.page-home .ph-find::before {
  content: "";
  position: absolute;
  inset: -55% -20% auto -20%;
  height: 130%;
  background: radial-gradient(58% 58% at 50% 0%, rgba(246, 217, 138, 0.2), transparent 72%);
  pointer-events: none;
}

.page-home .ph-find__label {
  display: block;
  position: relative;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

.page-home .ph-find__row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-home .ph-find__input {
  flex: 1 1 11rem;
  min-width: 0;
  padding: 0.78rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(185, 174, 203, 0.34);
  background: rgba(11, 7, 19, 0.72);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 0.95rem;
}

.page-home .ph-find__input::placeholder {
  color: rgba(185, 174, 203, 0.72);
}

.page-home .ph-find__input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-color: var(--gold);
}

.page-home .ph-find__go {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-home .ph-find__hint {
  position: relative;
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* 坐标卡片矩阵 */
.page-home .ph-hero__cards {
  position: relative;
  min-width: 0;
}

.page-home .ph-hero__cards-label {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-home .ph-matrix {
  list-style: none;
  margin: 0;
  padding: 0 0 0.85rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 78%);
  gap: 0.85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .ph-matrix > li {
  scroll-snap-align: start;
}

.page-home .ph-card {
  height: 100%;
  min-width: 0;
}

.page-home .ph-card__link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  height: 100%;
  padding: 1.05rem 1.1rem 1.15rem;
  text-decoration: none;
  color: inherit;
  border-radius: inherit;
}

.page-home .ph-card__coord {
  font-size: 0.95rem;
}

.page-home .ph-card__name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-home .ph-card__hint {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .ph-card__go {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.8125rem;
  color: var(--gold);
}

.page-home .ph-card__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

/* ---------- 步骤 ---------- */
.page-home .ph-steps__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .ph-steps__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .ph-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-home .ph-step {
  padding: 1.15rem 1.25rem 1.25rem;
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-2), rgba(36, 20, 54, 0.58));
  border: 1px solid rgba(185, 174, 203, 0.14);
}

.page-home .ph-step__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  border: 1px solid rgba(232, 181, 74, 0.42);
  border-radius: 999px;
  padding: 0.12rem 0.6rem;
  margin-bottom: 0.65rem;
  font-variant-numeric: tabular-nums;
}

.page-home .ph-step__title {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ivory);
}

.page-home .ph-step__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(245, 239, 227, 0.8);
}

.page-home .ph-steps__aside {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-home .ph-steps__aside .figure {
  margin: 0;
}

.page-home .ph-steps__note {
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 2px solid rgba(232, 181, 74, 0.5);
  border-radius: 0 12px 12px 0;
  background: rgba(36, 20, 54, 0.55);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 天际线板块 ---------- */
.page-home .ph-sky {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2.5rem, 6vw, 3.75rem);
  background: linear-gradient(180deg, var(--ink-2) 0%, rgba(11, 7, 19, 0.96) 100%);
  border-top-left-radius: 50% var(--ph-arc);
  border-top-right-radius: 50% var(--ph-arc);
}

.page-home .ph-sky__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom center;
  opacity: 0.34;
  z-index: 0;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent 0%, #000 42%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 42%);
}

.page-home .ph-sky__inner {
  position: relative;
  z-index: 1;
}

.page-home .ph-sky__title {
  margin: 0.5rem 0 0.85rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.3;
  color: var(--ivory);
}

.page-home .ph-sky__lede {
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 239, 227, 0.82);
}

.page-home .ph-boards__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-home .ph-board {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  height: 100%;
  padding: 1rem 1.05rem 1.1rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  background: linear-gradient(160deg, rgba(36, 20, 54, 0.94), rgba(11, 7, 19, 0.86));
  border: 1px solid rgba(185, 174, 203, 0.18);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-home .ph-board:hover,
.page-home .ph-board:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(232, 181, 74, 0.62);
  box-shadow: 0 16px 30px -20px rgba(232, 181, 74, 0.8);
  outline: none;
}

.page-home .ph-board__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(232, 181, 74, 0.16);
  margin-bottom: 0.45rem;
}

.page-home .ph-board__coord {
  font-size: 0.8125rem;
}

.page-home .ph-board__name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ivory);
}

.page-home .ph-board__path {
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ---------- 产品线层级 ---------- */
.page-home .ph-lines__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .ph-lines__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-home .ph-line {
  position: relative;
  padding: 1.2rem 1.2rem 1.25rem 3.5rem;
  border-radius: var(--radius);
  background: var(--ink-2);
  border: 1px solid rgba(185, 174, 203, 0.14);
}

.page-home .ph-line__num {
  position: absolute;
  left: 1rem;
  top: 1.2rem;
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
  background: var(--grad-gold);
}

.page-home .ph-line__title {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ivory);
}

.page-home .ph-line__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(245, 239, 227, 0.78);
}

.page-home .ph-lines__foot {
  margin-top: clamp(1.5rem, 4vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(185, 174, 203, 0.16);
}

.page-home .ph-lines__foot-text {
  margin: 0;
  flex: 1 1 18rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 手机端接续 ---------- */
.page-home .ph-mobile__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .ph-mobile__figure {
  margin: 0 auto;
  width: 100%;
  max-width: 300px;
}

.page-home .ph-mobile__body h2 {
  margin: 0.5rem 0 1rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.32;
  color: var(--ivory);
}

.page-home .ph-mobile__body p {
  margin: 0 0 0.9rem;
  max-width: 36em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 239, 227, 0.82);
}

.page-home .ph-mobile__points {
  list-style: none;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-home .ph-mobile__points li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ivory);
}

.page-home .ph-mobile__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(63, 122, 99, 0.22);
}

/* ---------- 资讯 ---------- */
.page-home .ph-news__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .ph-news__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-home .ph-news__item {
  padding: 1rem 1.1rem 1.1rem;
  border-radius: 16px;
  background: rgba(36, 20, 54, 0.58);
  border: 1px solid rgba(185, 174, 203, 0.13);
  border-left: 2px solid rgba(232, 181, 74, 0.42);
  transition: border-left-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .ph-news__item:hover {
  border-left-color: var(--gold);
  background: rgba(36, 20, 54, 0.78);
}

.page-home .ph-news__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  margin-bottom: 0.45rem;
}

.page-home .ph-news__tag {
  font-size: 0.75rem;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  background: rgba(63, 122, 99, 0.28);
  color: #A8D8C3;
  border: 1px solid rgba(63, 122, 99, 0.5);
}

.page-home .ph-news__time {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .ph-news__title {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ivory);
}

.page-home .ph-news__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(245, 239, 227, 0.74);
}

.page-home .ph-news__foot {
  margin-top: clamp(1.5rem, 4vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(232, 181, 74, 0.1), rgba(36, 20, 54, 0.7));
  border: 1px solid rgba(232, 181, 74, 0.24);
}

.page-home .ph-news__foot-text {
  margin: 0;
  flex: 1 1 20rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(245, 239, 227, 0.86);
}

.page-home .ph-facts {
  margin-top: clamp(1.5rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-home .ph-facts__item {
  margin: 0;
  padding: 0.95rem 1.05rem;
  border-radius: 14px;
  background: rgba(36, 20, 54, 0.45);
  border: 1px solid rgba(185, 174, 203, 0.12);
}

.page-home .ph-facts__num {
  display: block;
  font-family: var(--mono);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 0.3rem;
}

.page-home .ph-facts__label {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 479px) {
  .page-home .ph-matrix {
    grid-auto-columns: minmax(170px, 86%);
  }

  .page-home .ph-sky {
    border-top-left-radius: 50% 34px;
    border-top-right-radius: 50% 34px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-home .ph-boards__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 4.2fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-home .ph-matrix {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .ph-matrix > li:first-child {
    grid-column: span 2;
  }

  .page-home .ph-hero__cards {
    padding-top: 1.9rem;
  }

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

  .page-home .ph-mobile__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .ph-mobile__figure {
    max-width: 320px;
  }

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

@media (min-width: 1024px) {
  .page-home .ph-steps__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-home .ph-boards__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-home .ph-boards__list > li:nth-child(even) {
    transform: translateY(30px);
  }
}

@media (min-width: 1200px) {
  .page-home .ph-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-matrix > li:first-child {
    grid-column: span 1;
  }
}

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

  .page-home .ph-board:hover,
  .page-home .ph-board:focus-visible {
    transform: none;
  }
}
<<<END>>>