.page-home {
  --ph-line: rgba(91, 111, 134, 0.3);
  --ph-line-soft: rgba(91, 111, 134, 0.18);
  --ph-lede: rgba(244, 248, 250, 0.76);
  --ph-muted: rgba(244, 248, 250, 0.62);
  background: var(--c-ink);
  color: var(--c-text);
}

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

.page-home .kit-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 通用标题组 ---------- */
.page-home .ph-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0.4em 0 0.55em;
  color: var(--c-text);
}

.page-home .ph-h2--dark {
  color: var(--c-text-dark);
}

.page-home .ph-lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(0.96rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--ph-lede);
}

.page-home .ph-lede--dark {
  color: #3d5068;
}

.page-home .ph-head {
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-home .ph-head--split {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: end;
}

.page-home .ph-head__media {
  margin: 0;
  border-radius: var(--kit-radius);
  overflow: hidden;
  border: 1px solid var(--ph-line);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 7vw, 88px) 0 clamp(40px, 6vw, 72px);
}

.page-home .ph-hero__shape {
  position: absolute;
  top: -16%;
  right: -18%;
  width: min(900px, 86vw);
  height: min(900px, 86vw);
  background: linear-gradient(152deg, rgba(34, 224, 208, 0.18) 0%, rgba(18, 44, 79, 0.92) 44%, rgba(11, 31, 58, 0.96) 100%);
  clip-path: polygon(36% 0, 100% 0, 100% 70%, 0 100%);
  pointer-events: none;
}

.page-home .ph-hero__beam {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 224, 208, 0.7), rgba(242, 163, 58, 0.6), transparent);
}

.page-home .ph-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-home .ph-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 7.6vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0.32em 0 0.5em;
  color: var(--c-text);
}

.page-home .ph-hero__title em {
  font-style: normal;
  color: var(--c-cyan);
  display: inline-block;
  position: relative;
  padding-bottom: 0.06em;
}

.page-home .ph-hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 6%;
  bottom: -0.02em;
  height: 6px;
  background: var(--c-amber);
  opacity: 0.6;
  border-radius: 3px;
}

.page-home .ph-hero__lede {
  max-width: 33em;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.85;
  color: var(--ph-lede);
}

.page-home .ph-entries {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .ph-entry a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px 18px 20px;
  border: 1px solid var(--ph-line);
  border-radius: var(--kit-radius);
  background: linear-gradient(160deg, rgba(18, 44, 79, 0.86), rgba(7, 20, 38, 0.62));
  text-decoration: none;
  color: var(--c-text);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-home .ph-entry a:hover,
.page-home .ph-entry a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  background: linear-gradient(160deg, rgba(18, 44, 79, 0.96), rgba(11, 31, 58, 0.9));
}

.page-home .ph-entry__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-home .ph-entry__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.4;
}

.page-home .ph-entry__desc {
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--ph-muted);
}

.page-home .ph-hero__figure {
  margin: 0;
}

.page-home .ph-hero__figure .kit-media {
  border-radius: var(--kit-radius);
  overflow: hidden;
  border: 1px solid var(--ph-line);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.85);
}

.page-home .ph-hero__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-slate);
}

/* ---------- 章节索引条 ---------- */
.page-home .ph-toc {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 20, 38, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--ph-line);
  border-bottom: 1px solid var(--ph-line);
}

.page-home .ph-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 9px;
  padding-bottom: 9px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .ph-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-home .ph-toc__title {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-home .ph-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-toc__link {
  display: block;
  white-space: nowrap;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--c-slate);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-home .ph-toc__link:hover,
.page-home .ph-toc__link:focus-visible {
  color: var(--c-text);
  border-color: var(--ph-line);
}

.page-home .ph-toc__link[aria-current="true"] {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  font-weight: 700;
}

/* ---------- 版本对照 ---------- */
.page-home .ph-compare {
  position: relative;
  padding: clamp(54px, 8vw, 108px) 0;
  background: linear-gradient(180deg, var(--c-navy) 0%, var(--c-ink) 100%);
}

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

.page-home .ph-axis__row {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 20px 18px 20px 26px;
  border-left: 2px solid var(--c-lift);
  border-radius: 0 var(--kit-radius) var(--kit-radius) 0;
  background: linear-gradient(90deg, rgba(18, 44, 79, 0.62), rgba(7, 20, 38, 0.05));
}

.page-home .ph-axis__row::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 208, 0.16);
}

.page-home .ph-axis__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-home .ph-axis__pair {
  display: grid;
  gap: 10px;
}

.page-home .ph-axis__cell {
  margin: 0;
  padding: 13px 15px;
  border-radius: 10px;
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-home .ph-axis__cell--old {
  background: rgba(91, 111, 134, 0.14);
  color: rgba(244, 248, 250, 0.64);
}

.page-home .ph-axis__cell--new {
  background: rgba(34, 224, 208, 0.09);
  border: 1px solid rgba(34, 224, 208, 0.34);
  color: var(--c-text);
}

.page-home .ph-axis__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  background: rgba(91, 111, 134, 0.28);
  color: rgba(244, 248, 250, 0.8);
  vertical-align: 1px;
}

.page-home .ph-axis__tag--new {
  background: var(--c-amber-soft);
  color: var(--c-text-dark);
}

.page-home .ph-compare__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(26px, 4vw, 38px) 0 0;
}

/* ---------- 横向卡片带 ---------- */
.page-home .ph-band {
  padding: clamp(54px, 8vw, 108px) 0 clamp(46px, 6vw, 76px);
  background: var(--c-ink);
}

.page-home .ph-band__strip {
  position: relative;
  height: clamp(120px, 20vw, 200px);
  overflow: hidden;
  margin-top: clamp(6px, 2vw, 18px);
}

.page-home .ph-band__strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .ph-band__strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--c-ink) 0%, rgba(7, 20, 38, 0) 32%, rgba(7, 20, 38, 0) 66%, var(--c-ink) 100%);
}

.page-home .ph-band__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px var(--kit-gutter) 22px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-cyan-deep) rgba(91, 111, 134, 0.2);
}

.page-home .ph-band__track:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-home .ph-band__track::-webkit-scrollbar {
  height: 6px;
}

.page-home .ph-band__track::-webkit-scrollbar-track {
  background: rgba(91, 111, 134, 0.2);
  border-radius: 99px;
}

.page-home .ph-band__track::-webkit-scrollbar-thumb {
  background: var(--c-cyan-deep);
  border-radius: 99px;
}

.page-home .ph-card {
  flex: 0 0 min(300px, 76vw);
  scroll-snap-align: start;
}

.page-home .ph-card a {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px 20px;
  border: 1px solid var(--ph-line);
  border-radius: var(--kit-radius);
  background: linear-gradient(168deg, rgba(18, 44, 79, 0.92), rgba(7, 20, 38, 0.96));
  color: var(--c-text);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-home .ph-card a:hover,
.page-home .ph-card a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-home .ph-card__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(34, 224, 208, 0.55);
  letter-spacing: 0.04em;
}

.page-home .ph-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.35;
}

.page-home .ph-card__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--ph-muted);
}

.page-home .ph-card__go {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  border-top: 1px dashed var(--ph-line);
}

/* ---------- 索引场景 ---------- */
.page-home .ph-index {
  padding: clamp(54px, 8vw, 108px) 0;
  background: var(--c-paper);
  color: var(--c-text-dark);
}

.page-home .ph-index .kit-eyebrow {
  color: var(--c-cyan-deep);
}

.page-home .ph-index__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .ph-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-paper2);
}

.page-home .ph-scenes li {
  border-bottom: 1px solid var(--c-paper2);
}

.page-home .ph-scenes a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 16px;
  padding: 18px 2px;
  text-decoration: none;
  color: var(--c-text-dark);
  transition: color 0.18s ease, padding-left 0.18s ease, background 0.18s ease;
}

.page-home .ph-scenes a::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--c-cyan-deep);
}

.page-home .ph-scenes a:hover,
.page-home .ph-scenes a:focus-visible {
  color: var(--c-cyan-deep);
  padding-left: 10px;
  background: rgba(230, 216, 196, 0.45);
}

.page-home .ph-scenes__k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.5;
}

.page-home .ph-scenes__d {
  grid-column: 1 / -1;
  font-size: 0.89rem;
  line-height: 1.8;
  color: #43566d;
}

.page-home .ph-index__media {
  margin: 0;
}

.page-home .ph-index__media .kit-media {
  border-radius: var(--kit-radius);
  overflow: hidden;
  border: 1px solid var(--c-paper2);
}

.page-home .ph-index__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: #6c7d90;
}

/* ---------- 信任数据 ---------- */
.page-home .ph-trust {
  padding: clamp(54px, 8vw, 108px) 0;
  background: var(--c-ink);
}

.page-home .ph-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .ph-stats li {
  padding: 18px 16px;
  border: 1px solid var(--ph-line);
  border-radius: var(--kit-radius);
  background: linear-gradient(170deg, rgba(18, 44, 79, 0.6), rgba(7, 20, 38, 0.4));
}

.page-home .ph-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-home .ph-stats__num em {
  font-style: normal;
  font-size: 0.58em;
  color: var(--c-amber);
  margin-left: 2px;
  vertical-align: super;
}

.page-home .ph-stats__k {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ph-muted);
}

.page-home .ph-trust__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(242, 163, 58, 0.6);
  max-width: 46em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ph-muted);
}

/* ---------- 联系预告 ---------- */
.page-home .ph-connect {
  padding: 0 0 clamp(56px, 8vw, 104px);
  background: var(--c-ink);
}

.page-home .ph-connect__panel {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid rgba(34, 224, 208, 0.45);
  border-radius: var(--kit-radius);
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-lift) 100%);
  overflow: hidden;
}

.page-home .ph-connect__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 78px;
  height: 3px;
  background: var(--c-amber);
}

.page-home .ph-connect__desc {
  margin: 0 0 22px;
  max-width: 30em;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ph-lede);
}

.page-home .ph-connect__list {
  margin: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .ph-connect__list div {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(91, 111, 134, 0.3);
}

.page-home .ph-connect__list div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-home .ph-connect__list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-slate);
  margin-bottom: 5px;
}

.page-home .ph-connect__list dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-text);
  word-break: break-word;
}

.page-home .ph-connect__list dd a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.4);
}

.page-home .ph-connect__list dd a:hover,
.page-home .ph-connect__list dd a:focus-visible {
  color: var(--c-amber-soft);
  border-bottom-color: var(--c-amber-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .ph-entries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-axis__pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-home .ph-card {
    flex: 0 0 320px;
  }
}

@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }

  .page-home .ph-head--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-home .ph-axis__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 24px 26px 24px 32px;
  }

  .page-home .ph-axis__row::before {
    top: 30px;
  }

  .page-home .ph-index__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .ph-connect__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-home .ph-hero__title {
    letter-spacing: -0.03em;
  }

  .page-home .ph-card {
    flex: 0 0 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-entry a,
  .page-home .ph-card a,
  .page-home .ph-scenes a,
  .page-home .ph-toc__link {
    transition: none;
  }
}
<<<END>>>