.page-home {
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.2rem, 5vw, 3.8rem) clamp(2.4rem, 5vw, 4rem);
}

.page-home .hero__scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-home .hero__scene::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(10, 14, 42, .35) 0%, rgba(10, 14, 42, .9) 62%, #0A0E2A 100%),
    linear-gradient(180deg, rgba(10, 14, 42, .55) 0%, #0A0E2A 100%);
}

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

.page-home .hero__masthead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .7rem;
  text-align: center;
  margin-bottom: clamp(2rem, 4.5vw, 3.2rem);
}

.page-home .hero__sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .34em;
  color: var(--text-faint);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-home .hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 5.2vw, 3.4rem);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--text);
  max-width: 24ch;
}

.page-home .hero__lede {
  margin: 0 0 clamp(1.6rem, 3.4vw, 2.4rem);
  max-width: 60ch;
  color: var(--text-dim);
  font-size: clamp(.95rem, 1.5vw, 1.04rem);
  line-height: 1.95;
}

.page-home .hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .hero__fig {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  min-width: 0;
}

.page-home .hero__fig-num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-home .hero__fig-label {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--text-faint);
}

.page-home .hero__rail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 1.1rem;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: rgba(20, 26, 69, .62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-home .hero__rail .vnote {
  align-self: flex-start;
}

.page-home .hero__rail-list {
  display: grid;
  gap: .8rem;
  margin: 0;
}

.page-home .hero__rail-list > div {
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .hero__rail-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .hero__rail-list dt {
  margin: 0 0 .3rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-faint);
}

.page-home .hero__rail-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .84rem;
  color: var(--gold-soft);
}

/* 章节预览条 */
.page-home .chapters {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(2rem, 4.5vw, 3.4rem);
  border-top: 1px solid var(--line);
}

.page-home .chapters__item {
  display: flex;
  flex-direction: column;
  gap: .42rem;
  padding: 1.1rem 1.05rem 1.25rem;
  border-bottom: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  transition: background .3s var(--ease);
}

.page-home .chapters__item:hover,
.page-home .chapters__item:focus-visible {
  background: rgba(123, 95, 214, .14);
}

.page-home .chapters__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--gold);
}

.page-home .chapters__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.page-home .chapters__desc {
  font-size: .82rem;
  line-height: 1.65;
  color: var(--text-faint);
}

/* ============ 通用区块头部 ============ */
.page-home .sec-head {
  max-width: 64ch;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.page-home .sec-head__title {
  margin: .7rem 0 .9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.25rem);
  line-height: 1.3;
  letter-spacing: .015em;
  color: var(--text);
}

.page-home .sec-head__lede {
  margin: 0;
  color: var(--text-dim);
  font-size: .96rem;
  line-height: 1.9;
}

/* ============ 价格档位 ============ */
.page-home .tracks__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 3.6vw, 2.8rem);
}

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

.page-home .track {
  position: relative;
  padding: 1.35rem 1.25rem 1.45rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--track-accent, var(--copper-base));
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(20, 26, 69, .92), rgba(10, 14, 42, .88));
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-home .track--base { --track-accent: var(--copper-base); }
.page-home .track--mid { --track-accent: var(--copper-mid); }
.page-home .track--top { --track-accent: var(--copper-top); }

.page-home .track:hover,
.page-home .track:focus-within {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: 0 20px 42px -28px rgba(0, 0, 0, .95);
}

.page-home .track__head {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-bottom: .85rem;
}

.page-home .track__line {
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--track-accent, var(--copper-base)), rgba(230, 234, 245, 0));
}

.page-home .track__name {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .track__desc {
  margin: 0 0 1rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .track__meta {
  display: grid;
  gap: .55rem;
  margin: 0;
}

.page-home .track__meta > div {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  padding-top: .55rem;
  border-top: 1px dashed var(--line-soft);
}

.page-home .track__meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--text-faint);
}

.page-home .track__meta dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .tracks__visual {
  margin: 0;
}

.page-home .tracks__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
}

.page-home .tracks__caption {
  margin-top: .8rem;
  font-size: .78rem;
  line-height: 1.75;
  color: var(--text-faint);
}

/* ============ 产品系列星图 ============ */
.page-home .series {
  position: relative;
  overflow: hidden;
}

.page-home .series__scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .3;
}

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

.page-home .series__scene::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #0A0E2A 0%, rgba(10, 14, 42, .7) 42%, #0A0E2A 100%);
}

.page-home .series .wrap {
  position: relative;
  z-index: 1;
}

.page-home .series__groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-home .series-group {
  min-width: 0;
}

.page-home .series-group__name {
  margin: 0 0 .9rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .26em;
  color: var(--gold);
}

.page-home .series-group__list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .series-card {
  display: grid;
  gap: .45rem;
  min-width: 0;
  padding: 1.05rem 1.05rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(20, 26, 69, .72);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}

.page-home .series-card:hover,
.page-home .series-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-glass);
  background: rgba(28, 34, 88, .88);
}

.page-home .series-card__code {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-home .series-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-home .series-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .15rem;
}

.page-home .tag--dispatch {
  color: #6FD2E4;
  border-color: rgba(111, 210, 228, .45);
  background: rgba(79, 195, 217, .12);
}

.page-home .series__more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .9rem 1.2rem;
  margin: clamp(1.8rem, 3.6vw, 2.6rem) 0 0;
}

.page-home .series__hint {
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-faint);
}

/* ============ 交付路径 ============ */
.page-home .flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.page-home .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .flow__step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .flow__num {
  padding-top: .1rem;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}

.page-home .flow__body {
  min-width: 0;
}

.page-home .flow__title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.page-home .flow__desc {
  margin: 0 0 .55rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .flow__need {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--gold-soft);
  opacity: .88;
}

/* ============ 本季同步 ============ */
.page-home .quarter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-home .quarter__visual {
  margin: 0;
  min-width: 0;
}

.page-home .quarter__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 6.2;
  object-fit: cover;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
}

.page-home .quarter__caption {
  margin-top: .75rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text-faint);
}

.page-home .quarter__body {
  min-width: 0;
}

.page-home .quarter__title {
  margin: .7rem 0 .9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  line-height: 1.3;
  color: var(--text);
}

.page-home .quarter__lede {
  margin: 0 0 1.2rem;
  font-size: .94rem;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-home .quarter__points {
  display: grid;
  gap: .6rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.page-home .quarter__points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .quarter__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .4rem;
  height: .4rem;
  border-radius: 50%;
  background: var(--gold);
  opacity: .85;
}

.page-home .quarter__table-wrap {
  margin-bottom: 1.6rem;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(20, 26, 69, .5);
}

.page-home .quarter__table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: .86rem;
}

.page-home .quarter__table caption {
  padding: .85rem 1rem .5rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-faint);
}

.page-home .quarter__table th,
.page-home .quarter__table td {
  padding: .72rem 1rem;
  text-align: left;
  border-top: 1px solid var(--line-soft);
}

.page-home .quarter__table thead th {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .quarter__table tbody th {
  font-weight: 500;
  color: var(--text);
}

.page-home .quarter__table tbody td {
  font-family: var(--font-mono);
  color: var(--gold-soft);
}

.page-home .quarter__table tbody tr:nth-child(even) {
  background: rgba(68, 53, 147, .16);
}

.page-home .quarter__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-home .hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .chapters__item {
    border-right: 1px solid var(--line-soft);
  }

  .page-home .chapters__item:nth-child(2n) {
    border-right: 0;
  }
}

@media (min-width: 760px) {
  .page-home .series__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(200px, .75fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .quarter__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-home .tracks__layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .chapters {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .chapters__item {
    border-right: 1px solid var(--line-soft);
  }

  .page-home .chapters__item:last-child {
    border-right: 0;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-home .track,
  .page-home .series-card,
  .page-home .chapters__item {
    transition: none;
  }

  .page-home .track:hover,
  .page-home .track:focus-within,
  .page-home .series-card:hover,
  .page-home .series-card:focus-within {
    transform: none;
  }
}