.page-home .hero,
.page-home .dual,
.page-home .timeline,
.page-home .paths,
.page-home .why,
.page-home .next {
  position: relative;
}

/* ---------- 首屏：对角切割 ---------- */
.page-home .hero {
  overflow: hidden;
  background: var(--abyss-950);
  padding: 34px 0 48px;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  display: block;
  background: linear-gradient(155deg, var(--abyss-900) 0%, var(--abyss-700) 58%, var(--abyss-900) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 62%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.65;
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .hero__kicker {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--neon-400);
  border: 1px solid var(--neon-line);
}

.page-home .hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper-50);
}

.page-home .hero__text {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-50);
}

.page-home .hero__changes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-home .hero__change {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--hair);
}

.page-home .hero__code {
  font-size: 12.5px;
  color: var(--amber-400);
}

.page-home .hero__change-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--paper-50);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--neon-line);
  background: var(--abyss-900);
  clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 100%);
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .hero__caption {
  position: absolute;
  left: 12px;
  bottom: 10px;
  padding: 4px 8px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--neon-400);
  background: rgba(4, 16, 26, 0.74);
}

/* ---------- 双端并排 ---------- */
.page-home .dual {
  background: var(--abyss-900);
  border-top: 1px solid var(--hair);
  padding: 50px 0 54px;
}

.page-home .dual__eyebrow,
.page-home .paths__eyebrow {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--neon-400);
}

.page-home .dual__title,
.page-home .paths__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-50);
}

.page-home .dual__lead,
.page-home .paths__lead {
  margin: 0 0 12px;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--paper-50);
}

.page-home .dual__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

.page-home .dual__card {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--hair);
  background: var(--abyss-700);
}

.page-home .dual__card--mob {
  background: var(--abyss-950);
  border-color: var(--clay-line);
}

.page-home .dual__code {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--stone-400);
}

.page-home .dual__media {
  margin: 0 0 16px;
  border: 1px solid var(--hair);
  overflow: hidden;
}

.page-home .dual__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .dual__card--mob .dual__media img {
  aspect-ratio: 2 / 3;
}

.page-home .dual__name {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--neon-400);
}

.page-home .dual__meta {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-home .dual__meta li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed var(--hair);
}

.page-home .dual__k {
  font-size: 13px;
  color: var(--stone-400);
}

.page-home .dual__v {
  font-size: 13px;
  color: var(--paper-50);
}

.page-home .dual__desc {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--paper-50);
}

.page-home .dual__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-400);
}

/* ---------- 本月刻度（米白区） ---------- */
.page-home .timeline {
  background: var(--paper-50);
  color: var(--ink-900);
  padding: 50px 0 54px;
}

.page-home .timeline__eyebrow,
.page-home .why__eyebrow {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--clay-500);
}

.page-home .timeline__title,
.page-home .why__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-home .timeline__intro {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--ink-900);
}

.page-home .timeline__list {
  list-style: none;
  position: relative;
  margin: 30px 0 0;
  padding: 0 0 0 22px;
}

.page-home .timeline__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon-600) 0%, rgba(140, 154, 166, 0.5) 72%, rgba(140, 154, 166, 0) 100%);
}

.page-home .timeline__item {
  position: relative;
  padding-bottom: 26px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--neon-600);
  border-radius: 50%;
  background: var(--paper-50);
  box-sizing: content-box;
}

.page-home .timeline__code {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12.5px;
  color: var(--neon-600);
  border-bottom: 1px dashed var(--clay-line);
  cursor: pointer;
}

.page-home .timeline__name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-home .timeline__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--ink-900);
}

/* ---------- 路径回溯 ---------- */
.page-home .paths {
  background: var(--abyss-950);
  padding: 50px 0 54px;
}

.page-home .paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .paths__media {
  margin: 20px 0 0;
  border: 1px solid var(--hair);
}

.page-home .paths__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-home .paths__caption {
  display: block;
  padding: 8px 10px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--stone-400);
  border-top: 1px solid var(--hair);
}

.page-home .paths__item {
  border: 1px solid var(--hair);
  border-left: 3px solid var(--neon-600);
  background: var(--abyss-900);
  padding: 15px 17px;
  margin-bottom: 12px;
  transition: border-color 160ms var(--ease);
}

.page-home .paths__item:hover {
  border-color: var(--neon-line);
  border-left-color: var(--neon-400);
}

.page-home .paths__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.page-home .paths__rank {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--neon-400);
}

.page-home .paths__count {
  font-size: 11.5px;
  color: var(--stone-400);
}

.page-home .paths__route {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--amber-400);
  word-break: break-word;
  cursor: pointer;
}

.page-home .paths__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-50);
}

.page-home .paths__hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--stone-400);
}

/* ---------- 查找效率（米白区） ---------- */
.page-home .why {
  background: var(--paper-50);
  color: var(--ink-900);
  padding: 48px 0 52px;
}

.page-home .why__head {
  max-width: 46ch;
}

.page-home .why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 26px;
}

.page-home .why__item {
  padding-top: 16px;
  border-top: 2px solid var(--neon-600);
}

.page-home .why__item:nth-child(2) {
  border-top-color: var(--clay-500);
}

.page-home .why__item:nth-child(3) {
  border-top-color: var(--moss-500);
}

.page-home .why__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-home .why__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-900);
}

.page-home .why__note {
  margin: 28px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(11, 20, 24, 0.16);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-home .why__note a {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--clay-500);
  text-underline-offset: 3px;
}

/* ---------- 出口 ---------- */
.page-home .next {
  background: var(--abyss-900);
  border-top: 1px solid var(--hair);
  padding: 46px 0 52px;
}

.page-home .next__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 5vw, 30px);
  letter-spacing: -0.01em;
  color: var(--paper-50);
}

.page-home .next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .next__card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--hair);
  background: rgba(14, 44, 69, 0.5);
  text-decoration: none;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-home .next__card:hover {
  border-color: var(--neon-400);
  background: rgba(14, 44, 69, 0.78);
}

.page-home .next__code {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone-400);
}

.page-home .next__name {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper-50);
}

.page-home .next__desc {
  display: block;
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-50);
}

.page-home .next__go {
  display: inline-block;
  font-size: 14px;
  color: var(--neon-400);
}

.page-home .next__note {
  margin: 22px 0 0;
  font-size: 13.5px;
  color: var(--stone-400);
}

.page-home .next__note a {
  color: var(--neon-400);
  text-underline-offset: 3px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-home .hero {
    padding: 56px 0 72px;
  }

  .page-home .hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 52px;
    align-items: center;
  }

  .page-home .hero__change {
    grid-template-columns: 84px 1fr;
  }

  .page-home .dual {
    padding: 64px 0 70px;
  }

  .page-home .dual__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 26px;
    align-items: start;
    margin-top: 34px;
  }

  .page-home .dual__card--mob {
    margin-top: 42px;
  }

  .page-home .timeline {
    padding: 64px 0 68px;
  }

  .page-home .timeline__list {
    margin-top: 36px;
    padding-left: 30px;
  }

  .page-home .timeline__list::before {
    left: 5px;
  }

  .page-home .paths {
    padding: 64px 0 70px;
  }

  .page-home .paths__grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 48px;
    align-items: start;
  }

  .page-home .why {
    padding: 60px 0 64px;
  }

  .page-home .why__grid {
    grid-template-columns: 1.18fr 0.9fr 1fr;
    gap: 26px;
    margin-top: 32px;
  }

  .page-home .why__item:nth-child(2) {
    margin-top: 24px;
  }

  .page-home .why__item:nth-child(3) {
    margin-top: 46px;
  }

  .page-home .next {
    padding: 56px 0 62px;
  }

  .page-home .next__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 20px;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__grid {
    grid-template-columns: 1.04fr 0.96fr;
    gap: 64px;
  }
}