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

.page-home .shell {
  width: min(100% - var(--edge) * 2, var(--shell));
  margin-inline: auto;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  padding-block: clamp(40px, 6vw, 88px) clamp(48px, 6vw, 88px);
  border-bottom: 1px solid var(--c-orbit);
  overflow: hidden;
}

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

.page-home .hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 70% at 78% 6%, rgba(108, 77, 255, 0.22), transparent 58%),
    radial-gradient(80% 60% at 8% 94%, rgba(255, 122, 200, 0.08), transparent 62%),
    linear-gradient(180deg, rgba(5, 7, 15, 0.4), var(--c-deep) 88%);
}

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

.page-home .hero__crumb {
  margin-bottom: clamp(24px, 4vw, 52px);
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-home .hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  font-weight: 350;
  letter-spacing: 0.045em;
  line-height: 1.08;
  color: var(--c-white);
}

.page-home .hero__lede {
  margin: 24px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-home .hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-grey);
}

.page-home .update-gauge {
  display: grid;
  gap: 12px;
  padding-block: 16px;
  border-top: 1px solid var(--c-orbit);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .update-gauge__track {
  position: relative;
  display: block;
  height: 10px;
  border-bottom: 1px solid var(--c-orbit);
  background-image: repeating-linear-gradient(
    90deg,
    var(--c-orbit) 0,
    var(--c-orbit) 1px,
    transparent 1px,
    transparent 12px
  );
  background-repeat: no-repeat;
  background-size: 100% 6px;
  background-position: left bottom;
}

.page-home .update-gauge__fill {
  position: absolute;
  left: 0;
  bottom: -1px;
  display: block;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--c-violet), var(--c-violet-soft) 55%, var(--c-nebula));
  transition: width 600ms linear;
}

.page-home .update-gauge__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .update-gauge__label {
  color: var(--c-grey);
}

.page-home .update-gauge__stamp {
  color: var(--c-white);
}

.page-home .update-gauge__sep {
  color: var(--c-orbit);
}

.page-home .update-gauge__version {
  color: var(--c-violet-soft);
}

.page-home .update-gauge__copy {
  justify-self: start;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-grey);
  background: transparent;
  border: 1px solid var(--c-orbit);
  border-radius: 0;
  cursor: pointer;
  transition: color var(--t-fast) linear, border-color var(--t-fast) linear;
}

.page-home .update-gauge__copy:hover {
  color: var(--c-violet-soft);
  border-color: var(--c-violet-soft);
}

.page-home .update-gauge__copy[data-copied] {
  color: var(--c-aurora);
  border-color: var(--c-aurora);
}

.page-home .hero__status {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-grey);
}

/* ============ 通用章节头 ============ */
.page-home .band-head {
  display: grid;
  gap: 12px;
  max-width: 46em;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.page-home .idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-violet-soft);
}

.page-home .band-head h2,
.page-home .season__intro h2,
.page-home .export__main h2,
.page-home .closing h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 380;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--c-white);
}

.page-home .band-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-grey);
}

/* ============ 第二栏：常用入口 ============ */
.page-home .entries {
  padding-block: var(--band);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .entries__layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .entries__groups {
  display: grid;
  gap: clamp(24px, 3vw, 34px);
}

.page-home .entry-group__label {
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-nebula);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .entry-group__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .entry-node {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 14px;
  padding: 16px 14px;
  text-decoration: none;
  color: inherit;
  background: rgba(21, 27, 48, 0.5);
  border: 1px solid var(--c-orbit);
  transition: border-color var(--t-fast) linear, background var(--t-fast) linear, transform var(--t-fast) ease-out;
}

.page-home .entry-node:hover,
.page-home .entry-node:focus-visible {
  background: rgba(21, 27, 48, 0.92);
  border-color: var(--c-violet-soft);
  transform: translateY(-2px);
  outline: none;
}

.page-home .entry-node__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-orbit);
  transition: background var(--t-fast) linear, box-shadow var(--t-fast) linear;
}

.page-home .entry-node:hover .entry-node__dot,
.page-home .entry-node:focus-visible .entry-node__dot {
  background: var(--c-violet-soft);
  box-shadow: 0 0 0 4px rgba(183, 156, 255, 0.16);
}

.page-home .entry-node__name {
  display: block;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-white);
}

.page-home .entry-node__use {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-grey);
}

.page-home .entry-node__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--c-orbit);
  transition: color var(--t-fast) linear, transform var(--t-fast) ease-out;
}

.page-home .entry-node:hover .entry-node__arrow,
.page-home .entry-node:focus-visible .entry-node__arrow {
  color: var(--c-violet-soft);
  transform: translateX(3px);
}

.page-home .entries__visual {
  order: -1;
  border: 1px solid var(--c-orbit);
  background: var(--c-deep-2);
  overflow: hidden;
}

.page-home .entries__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.84;
}

/* ============ 三条轨道 ============ */
.page-home .tracks {
  padding-block: var(--band);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .rail-list {
  position: relative;
  display: grid;
  gap: clamp(36px, 4vw, 52px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .rail-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--c-violet) 0%,
    var(--c-orbit) 26%,
    var(--c-orbit) 74%,
    transparent 100%
  );
}

.page-home .rail {
  position: relative;
  padding-left: 36px;
}

.page-home .rail__node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 1px solid var(--c-violet-soft);
  transition: background var(--t-fast) linear, box-shadow var(--t-fast) linear, transform var(--t-fast) ease-out;
}

.page-home .rail:hover .rail__node {
  background: var(--c-violet-soft);
  box-shadow: 0 0 0 5px rgba(183, 156, 255, 0.16);
  transform: scale(1.04);
}

.page-home .rail__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-home .rail__num {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-nebula);
}

.page-home .rail h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 420;
  letter-spacing: 0.04em;
  color: var(--c-white);
}

.page-home .rail__desc {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-home .rail__specs {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
  padding: 0;
}

.page-home .rail__spec {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding-block: 9px;
  border-top: 1px solid var(--c-orbit);
}

.page-home .rail__spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-grey);
}

.page-home .rail__spec dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-white);
}

/* ============ 本季版本 ============ */
.page-home .season {
  padding-block: var(--band);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .season__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .season__intro p:not(.idx) {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-home .season__list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .season__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 16px;
  padding-block: 20px;
  border-top: 1px solid var(--c-orbit);
}

.page-home .season__item:last-child {
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .season__num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-home .season__item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--c-white);
}

.page-home .season__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-grey);
}

.page-home .season__visual {
  border: 1px solid var(--c-orbit);
  background: var(--c-deep-2);
  overflow: hidden;
}

.page-home .season__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.78;
}

.page-home .season__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(24px, 3vw, 36px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) linear;
}

.page-home .season__more:hover {
  border-bottom-color: var(--c-violet-soft);
}

/* ============ 导出与下载 ============ */
.page-home .export {
  padding-block: var(--band);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .export__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .export__main > p:not(.idx) {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-home .export__cols {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: 32px;
}

.page-home .export__col h3 {
  margin: 0 0 16px;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--c-grey);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .format-list,
.page-home .platform-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .format-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-white);
}

.page-home .format-name {
  flex: 0 0 auto;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-violet-soft);
  border: 1px solid var(--c-orbit);
}

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

.page-home .platform-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-white);
}

.page-home .platform-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-aurora);
}

.page-home .export__visual {
  border: 1px solid var(--c-orbit);
  background: var(--c-deep-2);
  overflow: hidden;
}

.page-home .export__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.74;
}

/* ============ 数据条 ============ */
.page-home .station {
  padding-block: clamp(48px, 6vw, 80px);
  background: var(--c-deep-2);
  border-bottom: 1px solid var(--c-orbit);
}

.page-home .station__head {
  margin: 0 0 clamp(24px, 3vw, 36px);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-grey);
}

.page-home .station__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--c-orbit);
  border: 1px solid var(--c-orbit);
}

.page-home .station__cell {
  padding: clamp(20px, 3vw, 32px);
  background: var(--c-deep-2);
}

.page-home .station__cell dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-grey);
}

.page-home .station__cell dd {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-white);
}

.page-home .station__num {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--c-violet-soft);
}

/* ============ 收尾行动区 ============ */
.page-home .closing {
  padding-block: var(--band);
}

.page-home .closing h2 {
  margin-top: 12px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

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

.page-home .closing__item {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(24px, 3vw, 36px);
  background: var(--c-deep);
}

.page-home .closing__step {
  justify-self: start;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-aurora);
  border: 1px solid rgba(53, 224, 176, 0.4);
}

.page-home .closing__item h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 450;
  letter-spacing: 0.03em;
  color: var(--c-white);
}

.page-home .closing__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-grey);
}

.page-home .closing__item .btn {
  justify-self: start;
  margin-top: 6px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-home .entries__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .station__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }

  .page-home .hero__content {
    grid-column: 4 / 13;
    grid-row: 1;
  }

  .page-home .hero__aside {
    grid-column: 1 / 4;
    grid-row: 1;
  }
}

@media (min-width: 1024px) {
  .page-home .entries__layout {
    grid-template-columns: minmax(0, 9fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-home .entries__groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 2vw, 30px);
  }

  .page-home .entries__visual {
    order: 0;
  }

  .page-home .season__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-home .season__intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .season__visual {
    grid-column: 1;
    grid-row: 2;
    margin-top: 8px;
  }

  .page-home .season__list {
    grid-column: 2 / -1;
    grid-row: 1 / span 2;
  }

  .page-home .export__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    column-gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

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

  .page-home .rail__spec {
    grid-template-columns: 104px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .update-gauge__fill,
  .page-home .entry-node,
  .page-home .entry-node__dot,
  .page-home .entry-node__arrow,
  .page-home .rail__node,
  .page-home .update-gauge__copy {
    transition: none;
  }

  .page-home .entry-node:hover,
  .page-home .entry-node:focus-visible {
    transform: none;
  }

  .page-home .entry-node:hover .entry-node__arrow,
  .page-home .entry-node:focus-visible .entry-node__arrow {
    transform: none;
  }

  .page-home .rail:hover .rail__node {
    transform: none;
  }
}