.page-home {
  --home-anchor-w: 216px;
  --home-card-w: 244px;
  --home-card-w-wide: 288px;
  --home-sec-gap: 72px;
  display: block;
}

/* ===== 首屏 ===== */
.page-home .home-hero {
  position: relative;
  padding: 36px 0 56px;
  border-bottom: 1px solid var(--line-600);
  background:
    radial-gradient(88% 68% at 92% 2%, rgba(224, 69, 123, 0.13), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-home .home-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 24px;
}

.page-home .home-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 12vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: #EDF1F5;
}

.page-home .home-hero__title span {
  display: block;
}

.page-home .home-hero__title-sub {
  color: var(--gold-300);
}

.page-home .home-hero__lead {
  max-width: 60ch;
  margin: 22px 0 0;
  color: var(--mist-200);
}

.page-home .home-hero__routes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 26px 0 0;
}

.page-home .home-hero__route {
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  color: var(--jade-400);
  font-size: 0.86rem;
  text-decoration: none;
  transition: color 220ms var(--ease);
}

.page-home .home-hero__route:hover {
  color: var(--gold-300);
}

.page-home .home-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-600);
}

.page-home .home-hero__media figcaption {
  position: absolute;
  left: 14px;
  bottom: 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

.page-home .home-baseline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  border: 1px solid var(--line-600);
  background: var(--line-600);
}

.page-home .home-baseline__item {
  padding: 16px 14px 18px;
  background: var(--ink-900);
}

.page-home .home-baseline__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

.page-home .home-baseline__item dd {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 6vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
}

.page-home .home-baseline__item dd em {
  margin-left: 4px;
  font-style: normal;
  font-size: 0.4em;
  letter-spacing: 0.08em;
  color: var(--mist-200);
}

/* ===== 章节外壳 ===== */
.page-home .home-sec {
  padding: var(--home-sec-gap) 0;
  border-top: 1px solid var(--line-600);
}

.page-home .home-sec .section__head {
  margin-bottom: 36px;
}

.page-home .home-sec__lead {
  max-width: 64ch;
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist-200);
}

/* ===== 分类索引 ===== */
.page-home .home-cats__body {
  display: grid;
  gap: 28px;
}

.page-home .home-anchors__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.page-home .home-anchors__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-home .home-anchors__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid var(--line-600);
  background: var(--ink-800);
  color: var(--mist-200);
  font-size: 0.82rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-home .home-anchors__link:hover,
.page-home .home-anchors__link:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.page-home .home-anchors__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--jade-400);
}

.page-home .home-cats__main {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-home .home-cats__media {
  margin: 0;
  border: 1px solid var(--line-600);
}

.page-home .home-cats__rail,
.page-home .home-tiers__rail {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-600) transparent;
}

.page-home .home-cats__rail .rail__item,
.page-home .home-tiers__rail .rail__item {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

.page-home .home-cats__rail .card {
  width: var(--home-card-w);
  min-height: 170px;
}

.page-home .home-cats__rail .card__meta {
  color: var(--gold-500);
}

/* ===== 档位 ===== */
.page-home .home-tiers__media {
  margin: 0 0 26px;
  border: 1px solid var(--line-600);
}

.page-home .home-tiers__rail {
  position: relative;
  z-index: 2;
}

.page-home .home-tiers__rail .card {
  width: var(--home-card-w-wide);
  min-height: 220px;
}

.page-home .home-tier {
  --tier-w: 20%;
  position: relative;
}

.page-home .home-tier::before {
  content: "";
  display: block;
  width: var(--tier-w);
  height: 2px;
  margin-bottom: 18px;
  background: var(--grad-tier);
}

.page-home .home-tier:nth-child(1) { --tier-w: 16%; }
.page-home .home-tier:nth-child(2) { --tier-w: 33%; }
.page-home .home-tier:nth-child(3) { --tier-w: 50%; }
.page-home .home-tier:nth-child(4) { --tier-w: 67%; }
.page-home .home-tier:nth-child(5) { --tier-w: 84%; }
.page-home .home-tier:nth-child(6) { --tier-w: 100%; }

.page-home .home-tier .card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-home .home-tier__fit {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-600);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--jade-400);
}

/* ===== 改设置 ===== */
.page-home .home-rules__grid {
  display: grid;
  gap: 28px;
}

.page-home .home-rules__steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-600);
  background: var(--line-600);
}

.page-home .home-rules__step {
  padding: 22px 20px;
  background: var(--ink-800);
}

.page-home .home-rules__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--magenta-500);
}

.page-home .home-rules__step-title {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #EDF1F5;
}

.page-home .home-rules__step p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist-200);
}

.page-home .home-rules__note {
  padding: 22px 20px;
  border: 1px solid var(--line-600);
  background:
    linear-gradient(180deg, rgba(200, 162, 74, 0.06), transparent 70%),
    var(--ink-700);
}

.page-home .home-rules__note-k {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-home .home-rules__note-body {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--mist-200);
}

/* 术语浮层 */
.page-home .home-term {
  position: relative;
  color: var(--gold-300);
  border-bottom: 1px dotted var(--gold-500);
  cursor: help;
}

.page-home .home-term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 6;
  width: min(260px, 72vw);
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  background: var(--ink-700);
  color: var(--mist-200);
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 200ms;
}

.page-home .home-term:hover .home-term__tip,
.page-home .home-term:focus-visible .home-term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== 积分与结算 ===== */
.page-home .home-settle__grid {
  display: grid;
  gap: 26px;
}

.page-home .home-settle__board {
  border: 1px solid var(--line-600);
  background: var(--ink-800);
}

.page-home .home-settle__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  margin: 0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-600);
}

.page-home .home-settle__line:last-child {
  border-bottom: 0;
}

.page-home .home-settle__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.page-home .home-settle__v {
  font-size: 0.92rem;
  color: var(--gold-300);
}

.page-home .home-settle__media {
  margin: 0;
  border: 1px solid var(--line-600);
}

.page-home .home-settle__scale {
  height: 26px;
  margin-top: 30px;
  border-top: 1px solid var(--line-600);
  background-image: repeating-linear-gradient(
    to right,
    var(--line-600) 0 1px,
    transparent 1px 26px
  );
  background-size: 100% 10px;
  background-position: top left;
  background-repeat: no-repeat;
}

/* ===== 继续查看 ===== */
.page-home .home-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-600);
  background: var(--line-600);
}

.page-home .home-next__link {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 22px 18px;
  background: var(--ink-800);
  text-decoration: none;
  transition: background 220ms var(--ease);
}

.page-home .home-next__link:hover,
.page-home .home-next__link:focus-visible {
  background: var(--ink-700);
}

.page-home .home-next__idx {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--jade-400);
}

.page-home .home-next__title {
  grid-column: 2;
  grid-row: 1;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: #EDF1F5;
}

.page-home .home-next__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.85rem;
  line-height: 1.78;
  color: var(--mist-400);
}

/* ===== 平板与桌面 ===== */
@media (min-width: 768px) {
  .page-home .home-rules__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .home-settle__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

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

  .page-home .home-next__item:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 44px 0 72px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: end;
    margin-top: 34px;
  }

  .page-home .home-cats__main {
    gap: 28px;
  }

  .page-home .home-tiers__media {
    margin-bottom: -60px;
  }

  .page-home .home-tiers__rail {
    padding-top: 0;
  }

  .page-home .home-sec {
    padding: 108px 0;
  }
}

@media (min-width: 1024px) {
  .page-home .home-cats__body {
    grid-template-columns: var(--home-anchor-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-home .home-anchors {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-home .home-anchors__list {
    display: block;
    padding: 0;
    overflow: visible;
  }

  .page-home .home-anchors__list li + li {
    border-top: 1px solid var(--line-600);
  }

  .page-home .home-anchors__link {
    border: 0;
    background: transparent;
    padding: 10px 0;
  }

  .page-home .home-anchors__list li:last-child {
    border-bottom: 1px solid var(--line-600);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__route,
  .page-home .home-anchors__link,
  .page-home .home-next__link,
  .page-home .home-term__tip {
    transition: none;
  }

  .page-home .home-term__tip {
    transform: none;
  }
}