.page-home {
  --home-rail-w: 196px;
  --home-gap: 48px;
  background: var(--ink-950);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .home-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06) brightness(0.94);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  padding: calc(var(--header-h) + 48px) 0 48px;
  background:
    radial-gradient(120% 90% at 90% 0%, rgba(38, 242, 226, 0.14), transparent 58%),
    radial-gradient(80% 70% at 0% 100%, rgba(255, 138, 33, 0.1), transparent 62%),
    var(--ink-950);
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero-grid {
  display: grid;
  gap: 36px;
}

.page-home .home-hero-copy {
  min-width: 0;
}

.page-home h1 {
  margin: 18px 0 0;
  font-size: clamp(34px, 8.5vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 238, 227, 0.82);
}

.page-home .home-stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 28px 0 0;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  background: rgba(38, 242, 226, 0.06);
}

.page-home .home-stamp-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(63, 224, 140, 0.16);
}

.page-home .home-stamp-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-home .home-stamp-time {
  font-size: 15px;
  color: var(--cyan);
}

.page-home .home-hero-media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-900);
  border: 1px solid var(--line);
}

/* ---------- 三条主线索引 ---------- */

.page-home .home-index-band {
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-home .home-index {
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .home-index-col {
  display: block;
  padding: 28px 2px 30px;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.3s var(--ease);
}

.page-home .home-index-col:first-child {
  border-top: 0;
}

.page-home .home-index-no {
  display: block;
  font-size: 22px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-home .home-index-name {
  margin: 12px 0 0;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.page-home .home-index-desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-home .home-index-go {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.page-home .home-index-col:hover .home-index-go,
.page-home .home-index-col:focus-visible .home-index-go {
  border-bottom-color: var(--orange);
}

/* ---------- 主布局：左时间轴 + 右内容流 ---------- */

.page-home .home-layout {
  display: block;
}

.page-home .home-rail {
  padding: 20px 0 4px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-rail-title {
  margin: 0 0 12px;
}

.page-home .home-rail-list {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .home-rail-item {
  flex: 0 0 auto;
}

.page-home .home-rail-link {
  display: block;
  padding: 6px 0 6px 14px;
  border-left: 1px solid var(--line);
  text-decoration: none;
  color: var(--steel);
  position: relative;
  white-space: nowrap;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-home .home-rail-link::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  background: var(--steel);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-home .home-rail-no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: inherit;
  margin-right: 8px;
}

.page-home .home-rail-txt {
  font-size: 13px;
}

.page-home .home-rail-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-home .home-rail-link[aria-current="true"]::before {
  background: var(--cyan);
  transform: scale(1.15);
  box-shadow: 0 0 0 4px rgba(38, 242, 226, 0.16);
}

/* ---------- 章节骨架 ---------- */

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

.page-home .home-sec {
  position: relative;
  padding: 0 0 64px;
}

.page-home .home-sec-last {
  padding-bottom: 12px;
}

.page-home .home-band {
  height: 12px;
  margin: 44px 0 40px;
  background: linear-gradient(90deg, var(--cyan) 0 72px, var(--ink-900) 72px 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-sec-no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(60px, 16vw, 96px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: rgba(38, 242, 226, 0.14);
  margin-bottom: -18px;
  pointer-events: none;
  transition: color 0.6s var(--ease);
}

.page-home .home-sec-no.is-visible {
  color: rgba(38, 242, 226, 0.46);
}

.page-home .home-sec-head {
  display: grid;
  gap: 14px;
}

.page-home .home-sec-title {
  margin: 0;
  font-size: clamp(25px, 6vw, 40px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-sec-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 238, 227, 0.78);
}

.page-home .home-sec-foot {
  margin: 36px 0 0;
}

.page-home .home-sec-foot-last {
  margin-top: 40px;
}

/* ---------- 02 费用 ---------- */

.page-home .home-cost {
  margin-top: 36px;
  display: grid;
  gap: 32px;
}

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

.page-home .home-cost-item {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-cost-idx {
  display: inline-block;
  min-width: 34px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-home .home-cost-name {
  display: inline;
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .home-cost-desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 238, 227, 0.76);
}

.page-home .home-cost-meta {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home .home-cost-media {
  margin: 0;
}

.page-home .home-cost-media .home-img {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
}

/* ---------- 03 签表 ---------- */

.page-home .home-draw-figure {
  margin: 34px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .home-img-wide {
  aspect-ratio: 16 / 7;
}

.page-home .home-draw {
  margin-top: 28px;
  padding: 18px 8px;
  background: var(--ink-900);
  border: 1px solid var(--line-soft);
  overflow-x: auto;
}

.page-home .home-bracket {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-home .hb-base {
  stroke: var(--line);
  stroke-width: 1;
}

.page-home .hb-round line {
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-home .hb-round circle {
  fill: var(--paper);
}

.page-home .hb-links path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  opacity: 0.72;
}

.page-home .hb-round-current line {
  stroke: var(--orange);
  stroke-width: 2;
}

.page-home .hb-round-current circle {
  fill: var(--orange);
  filter: drop-shadow(0 0 6px rgba(255, 138, 33, 0.7));
}

.page-home .home-rounds {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-home .home-round-item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-round-name {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .home-round-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 04 关注列表 ---------- */

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

.page-home .home-watch-copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .home-watch-states {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .home-watch-state {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-watch-state-txt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home .home-watch-more {
  margin: 0;
}

.page-home .home-watch-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .home-watch-media .home-img {
  aspect-ratio: 1 / 1;
}

/* ---------- 05 更新节拍 ---------- */

.page-home .home-cadence-track {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .home-cadence-node {
  position: relative;
  padding: 22px 0 22px 26px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-cadence-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 10px;
  height: 10px;
  background: var(--ink-950);
  border: 1px solid var(--steel);
}

.page-home .home-cadence-node.is-current::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 33, 0.14);
}

.page-home .home-cadence-day {
  display: block;
  font-size: 17px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-home .home-cadence-node.is-current .home-cadence-day {
  color: var(--orange);
}

.page-home .home-cadence-txt {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-home .home-cadence-note {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 26px 0 0;
  padding: 14px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
}

.page-home .home-cadence-time {
  font-size: 15px;
  color: var(--paper);
}

/* ---------- 06 四条方向 ---------- */

.page-home .home-routes {
  margin-top: 34px;
  display: grid;
  gap: 16px;
}

.page-home .home-route {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 24px 22px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: var(--ink-900);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-home .home-route:hover,
.page-home .home-route:focus-visible {
  border-color: var(--line-strong);
  background: var(--ink-800);
}

.page-home .home-route-k {
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .home-route-name {
  display: block;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .home-route-desc {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-home .home-route-arrow {
  position: absolute;
  right: 20px;
  bottom: 20px;
  font-size: 18px;
  color: var(--orange);
  transition: transform 0.3s var(--ease);
}

.page-home .home-route:hover .home-route-arrow,
.page-home .home-route:focus-visible .home-route-arrow {
  transform: translateX(8px);
}

.page-home .home-route-b {
  background: var(--ink-800);
  border-left: 3px solid var(--cyan);
}

.page-home .home-route-c {
  background: var(--ink-800);
  border-left: 3px solid var(--magenta);
}

.page-home .home-route-d {
  background: var(--ink-800);
}

/* ---------- 桌面 ---------- */

@media (min-width: 720px) {
  .page-home .home-lede,
  .page-home .home-sec-lede {
    font-size: 17px;
  }

  .page-home .home-index-col {
    padding: 34px 28px 36px;
  }

  .page-home .home-round-item {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-home .home-routes {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-route-a {
    grid-column: span 4;
  }

  .page-home .home-route-b {
    grid-column: span 2;
  }

  .page-home .home-route-c {
    grid-column: span 2;
  }

  .page-home .home-route-d {
    grid-column: span 4;
  }

  .page-home .home-cost {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-home .home-watch {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: calc(var(--header-h) + 64px) 0 64px;
  }

  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-home .home-hero-media {
    aspect-ratio: 3 / 4;
  }

  .page-home .home-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-index-col {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
    padding: 40px 32px 42px;
  }

  .page-home .home-index-col:first-child {
    border-left: 0;
  }

  .page-home .home-sec {
    padding-bottom: 80px;
  }

  .page-home .home-band {
    margin: 64px 0 52px;
  }
}

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

  .page-home .home-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding: 64px 0 0;
    border-bottom: 0;
  }

  .page-home .home-rail-list {
    display: block;
    overflow: visible;
    gap: 0;
  }

  .page-home .home-rail-item + .home-rail-item {
    margin-top: 2px;
  }

  .page-home .home-rail-link {
    padding: 11px 0 11px 18px;
  }

  .page-home .home-rail-no {
    display: block;
    margin: 0 0 3px;
    font-size: 11px;
    color: var(--steel);
    opacity: 0.7;
  }

  .page-home .home-rail-link[aria-current="true"] .home-rail-no {
    color: var(--cyan);
    opacity: 1;
  }

  .page-home .home-sec-no {
    margin-bottom: -24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-route-arrow,
  .page-home .home-rail-link::before,
  .page-home .home-sec-no {
    transition: none;
  }
}