.page-home {
  --home-grid-line: rgba(201, 211, 230, .08);
  --home-gap: clamp(2.5rem, 6vw, 4.5rem);
  display: block;
  background: var(--ink-void);
  color: var(--silver);
  overflow-x: clip;
}

/* ---------- 分屏首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(18, 34, 77, .85) 0%, rgba(5, 10, 26, 0) 62%),
    var(--ink-void);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid-line) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: radial-gradient(110% 70% at 78% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(110% 70% at 78% 18%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 5vw, 3rem);
}

.page-home .hero__copy {
  display: grid;
  gap: .9rem;
  align-content: center;
}

.page-home .hero__title {
  margin: 0;
  color: var(--white);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
}

.page-home .hero__lede {
  margin: 0;
  max-width: 34ch;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--silver);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .35rem;
}

.page-home .hero__ticks {
  list-style: none;
  margin: .5rem 0 0;
  padding: .9rem 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: .5rem;
}

.page-home .hero__ticks li {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  font-size: .875rem;
  color: var(--silver-dim);
}

.page-home .hero__ticks .mono {
  min-width: 6.5rem;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .hero__visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  min-height: clamp(300px, 86vw, 620px);
}

.page-home .hero__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .46;
  filter: saturate(.55);
}

.page-home .hero__map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-home .hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 211, 230, .16) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(201, 211, 230, .16) 0 1px, transparent 1px 44px);
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 58%);
  mask-image: linear-gradient(to top, #000 0%, transparent 58%);
  pointer-events: none;
}

.page-home .hero__vnote {
  position: absolute;
  top: 1rem;
  right: .6rem;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: stretch;
  }
  .page-home .hero__visual {
    min-height: 100%;
  }
}

/* ---------- 通用区块头 ---------- */
.page-home .home-head {
  position: relative;
  display: grid;
  gap: .7rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 62rem;
}

.page-home .home-head__lede {
  margin: 0;
  max-width: 44ch;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--silver-dim);
}

.page-home .home-head__vmark {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
  opacity: .55;
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-home .home-head__vmark {
    display: block;
  }
}

/* ---------- 数字锚点 ---------- */
.page-home .anchors {
  padding: var(--home-gap) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .anchors__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

@media (min-width: 760px) {
  .page-home .anchors__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-home .anchor {
  padding-top: 1.1rem;
  border-top: 2px solid var(--line);
  transition: border-color var(--ease);
}

.page-home .anchor:hover {
  border-top-color: var(--cyan);
}

.page-home .anchor__tag {
  margin: 0 0 .6rem;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
}

.page-home .anchor__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.5rem, 17vw, 7.5rem);
  line-height: .88;
  letter-spacing: -.04em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-home .anchor__num--signal {
  color: var(--orange);
}

.page-home .anchor__label {
  margin: .5rem 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--silver);
}

.page-home .anchor__desc {
  margin: .4rem 0 0;
  max-width: 34ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--silver-dim);
}

/* ---------- 口径总览 ---------- */
.page-home .lanes {
  padding: var(--home-gap) 0;
  background: var(--ink-void);
}

.page-home .lanes__grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

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

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

.page-home .lane {
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: var(--ink-void);
  transition: background-color var(--ease);
}

.page-home .lane:hover {
  background: var(--ink-mid);
}

.page-home .lane__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-home .lane__name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
}

.page-home .lane__desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-home .lane__meta {
  margin: 0;
  font-size: .8125rem;
  color: var(--silver-dim);
}

.page-home .lane__meta .mono {
  color: var(--silver);
}

.page-home .lane__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: .2rem;
  font-size: .875rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-home .lane__link:hover,
.page-home .lane__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

/* ---------- 赛季长卷 ---------- */
.page-home .seasons {
  position: relative;
  overflow: hidden;
  padding: var(--home-gap) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .seasons__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  filter: saturate(.4);
  pointer-events: none;
}

.page-home .seasons__inner {
  position: relative;
}

.page-home .seasons__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .season {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "year count"
    "note note";
  gap: .35rem 1rem;
  align-items: baseline;
  padding: .95rem clamp(.75rem, 2vw, 1.25rem);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--ease), border-color var(--ease);
}

.page-home .season:hover {
  background: rgba(18, 34, 77, .72);
  border-bottom-color: var(--cyan);
}

.page-home .season__year {
  grid-area: year;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white);
  transition: color var(--ease);
}

.page-home .season:hover .season__year {
  color: var(--cyan);
}

.page-home .season__count {
  grid-area: count;
  font-size: .875rem;
  color: var(--silver-dim);
}

.page-home .season__count .mono {
  font-size: 1.05rem;
  color: var(--silver);
}

.page-home .season__note {
  grid-area: note;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--silver-dim);
}

@media (min-width: 820px) {
  .page-home .season {
    grid-template-columns: 7rem 8rem 1fr;
    grid-template-areas: "year count note";
    align-items: center;
  }
  .page-home .season__note {
    font-size: .9375rem;
  }
}

/* ---------- 结论样例 ---------- */
.page-home .samples {
  padding: var(--home-gap) 0;
  background: var(--ink-void);
}

.page-home .samples__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

@media (min-width: 960px) {
  .page-home .samples__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

.page-home .samples__figure {
  margin: 0;
  display: grid;
  gap: .75rem;
}

.page-home .samples__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(.6);
}

.page-home .samples__figure figcaption {
  padding-left: .7rem;
  border-left: 2px solid var(--line);
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--silver-dim);
}

.page-home .samples__list {
  display: grid;
  gap: 1.25rem;
}

.page-home .concl {
  display: grid;
  gap: .5rem;
  padding: .9rem 0 .9rem 1rem;
  border-left: 2px solid var(--line);
  transition: border-color var(--ease);
}

.page-home .concl:hover,
.page-home .concl:focus-within {
  border-left-color: var(--cyan);
}

.page-home .concl__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
}

.page-home .concl__line {
  margin: 0;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  font-weight: 600;
  line-height: 1.65;
  color: var(--white);
}

/* ---------- 场景入口 ---------- */
.page-home .entries {
  position: relative;
  overflow: hidden;
  padding: var(--home-gap) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
}

.page-home .entries__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
  filter: saturate(.45);
  pointer-events: none;
}

.page-home .entries__inner {
  position: relative;
}

.page-home .entries__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

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

@media (min-width: 1100px) {
  .page-home .entries__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-home .entry__link {
  display: grid;
  gap: .35rem;
  min-height: 44px;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--line);
  background: rgba(5, 10, 26, .78);
  color: var(--silver);
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease), color var(--ease);
}

.page-home .entry__link:hover,
.page-home .entry__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(18, 34, 77, .9);
  color: var(--white);
}

.page-home .entry__head {
  font-size: 1.0625rem;
  font-weight: 700;
  color: inherit;
}

.page-home .entry__tip {
  max-height: 10rem;
  overflow: hidden;
  opacity: 1;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--silver-dim);
}

@media (hover: hover) and (min-width: 720px) {
  .page-home .entry__tip {
    max-height: 0;
    opacity: 0;
    transition: max-height 220ms ease, opacity var(--ease);
  }
  .page-home .entry__link:hover .entry__tip,
  .page-home .entry__link:focus-visible .entry__tip {
    max-height: 10rem;
    opacity: 1;
  }
}

/* ---------- 页尾注脚 ---------- */
.page-home .home-foot {
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

.page-home .home-foot__note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-home .home-foot__note .mono {
  color: var(--cyan);
}