.page-home {
  --home-pad: 20px;
  --home-sec: 56px;
  background: var(--ink-900);
  color: var(--paper);
}

@media (min-width: 900px) {
  .page-home {
    --home-pad: 32px;
    --home-sec: 88px;
  }
}

.page-home section[id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* 首屏封面 */
.page-home .hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 80% at 82% 6%, rgba(43, 224, 208, 0.14), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 26, 43, 0.5) 0%, rgba(7, 26, 43, 0.92) 70%, var(--ink-900) 100%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  width: min(100% - (var(--home-pad) * 2), var(--maxw));
  margin-inline: auto;
  padding-top: calc(var(--header-h) + 40px);
  display: grid;
  gap: 26px;
}

.page-home .hero__rail {
  display: none;
}

.page-home .rail-list {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  writing-mode: vertical-rl;
  border-left: 1px solid var(--line);
}

.page-home .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--cyan);
}

.page-home .rail-num {
  color: var(--gold);
}

.page-home .hero__body {
  display: grid;
  gap: 18px;
}

.page-home .hero__eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.2vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.012em;
  max-width: 20em;
}

.page-home .hero__lead {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 247, 250, 0.78);
  max-width: 38em;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-home .hero__status {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-home .stat {
  margin: 0;
  padding: 14px 16px 18px;
  background: rgba(7, 26, 43, 0.82);
}

.page-home .stat__key {
  margin: 0 0 8px;
}

.page-home .stat__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--paper);
}

@media (min-width: 760px) {
  .page-home .hero__status {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: 64px minmax(0, 1fr);
    column-gap: 48px;
    padding-top: calc(var(--header-h) + 72px);
  }

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

  .page-home .hero__body {
    gap: 22px;
    max-width: 62em;
  }

  .page-home .hero__lead {
    font-size: var(--fs-18);
  }

  .page-home .hero__status {
    grid-column: 1 / -1;
  }
}

/* 章节骨架 */
.page-home .sec {
  padding: var(--home-sec) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  align-items: start;
  margin-bottom: 30px;
}

.page-home .sec__num {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-home .sec__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-home .sec__desc {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist);
  max-width: 42em;
}

@media (min-width: 900px) {
  .page-home .sec__head {
    gap: 16px 24px;
    margin-bottom: 42px;
  }

  .page-home .sec__num {
    font-size: var(--fs-48);
  }

  .page-home .sec__title {
    font-size: var(--fs-32);
  }
}

/* 通用图形容器 */
.page-home .fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
}

.page-home .fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 01 活动摘要 */
.page-home .act-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .act {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  transition: background var(--t-fast);
}

.page-home .act:hover {
  background: rgba(242, 247, 250, 0.03);
}

.page-home .act__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-home .act__title {
  margin: 0 0 5px;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.45;
}

.page-home .act__cond {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-home .act__link {
  grid-column: 2;
  justify-self: start;
  font-size: var(--fs-14);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 208, 0.35);
  padding-bottom: 1px;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-home .act__link:hover,
.page-home .act__link:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-home .act-side {
  display: grid;
  gap: 16px;
  align-content: start;
  margin-top: 28px;
}

.page-home .act-side__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-home .act {
    grid-template-columns: 58px minmax(0, 1fr) auto;
    align-items: baseline;
    padding: 18px 6px;
  }

  .page-home .act__link {
    grid-column: 3;
    justify-self: end;
  }

  .page-home .act-side {
    margin-top: 0;
  }
}

/* 02 权益与记录 */
.page-home .duo {
  display: grid;
  gap: 18px;
}

.page-home .duo__panel {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-1);
  transition: transform var(--t-fast), border-color var(--t-fast);
}

.page-home .duo__panel:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-home .duo__panel h3 {
  margin: 10px 0 14px;
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.42;
}

.page-home .duo__panel p {
  margin: 14px 0 18px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .tier-wrap,
.page-home .v4-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-home .tier {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-home .tier th {
  padding: 9px 10px;
  text-align: left;
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-home .tier tbody th {
  letter-spacing: 0;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--paper);
}

.page-home .tier td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-home .tier tbody tr:last-child td,
.page-home .tier tbody tr:last-child th {
  border-bottom: 0;
}

.page-home .tier td:nth-child(2) {
  font-family: var(--font-mono);
  color: var(--gold);
  white-space: nowrap;
}

.page-home .tier td:last-child {
  font-size: var(--fs-12);
  color: var(--mist);
  line-height: 1.6;
}

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

.page-home .rec-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-home .rec-list span {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan);
  padding-top: 3px;
}

@media (min-width: 900px) {
  .page-home .duo {
    grid-template-columns: 1.06fr 0.72fr 1.12fr;
    gap: 20px;
    align-items: start;
  }

  .page-home .duo__figure {
    margin-top: 34px;
  }
}

/* 03 V4 面板 */
.page-home .sec--indigo {
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(43, 224, 208, 0.1), transparent 58%),
    linear-gradient(165deg, rgba(58, 35, 80, 0.96) 0%, rgba(20, 22, 48, 0.98) 58%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .v4-panel {
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-home .v4-panel:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-2);
}

.page-home .v4-panel:focus-within {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-home .v4-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}

.page-home .v4-bar__title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.4;
}

.page-home .v4-chip {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--gold);
  border: 1px solid rgba(232, 180, 90, 0.45);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.page-home .v4-metrics {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .v4-metrics li {
  background: var(--ink-750);
  padding: 14px 16px;
}

.page-home .v4-metrics b {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-home .v4-metrics span {
  display: block;
  margin-top: 5px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .v4-split {
  display: grid;
  gap: 20px;
}

.page-home .v4-table {
  width: 100%;
  min-width: 340px;
  border-collapse: collapse;
  font-size: var(--fs-14);
  background: rgba(7, 26, 43, 0.35);
}

.page-home .v4-table th {
  padding: 9px 12px;
  text-align: left;
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-home .v4-table tbody th {
  letter-spacing: 0;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-home .v4-table td {
  padding: 11px 12px;
  line-height: 1.7;
  color: var(--mist);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .v4-table tbody tr:last-child th,
.page-home .v4-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .v4-foot {
  margin: 20px 0 18px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
  max-width: 60em;
}

@media (min-width: 760px) {
  .page-home .v4-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .v4-split {
    grid-template-columns: 0.84fr 1.16fr;
    align-items: start;
    gap: 24px;
  }
}

/* 04 版本节奏 */
.page-home .tl {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-home .tl__item {
  position: relative;
  padding: 0 0 24px 22px;
}

.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-home .tl__item--gold::before {
  background: var(--gold);
}

.page-home .tl__tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .tl__title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.45;
}

.page-home .tl__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .notes {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
  background: rgba(14, 42, 63, 0.6);
  transition: border-color var(--t-fast);
}

.page-home .note:hover {
  border-color: var(--line-strong);
}

.page-home .note h4 {
  margin: 0 0 8px;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-home .note p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 820px) {
  .page-home .notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-home .tl {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: 0;
    border-top: 1px solid var(--line);
    margin-bottom: 34px;
  }

  .page-home .tl__item {
    padding: 28px 24px 10px 0;
  }

  .page-home .tl__item::before {
    left: 0;
    top: -4px;
  }

  .page-home .tl__item + .tl__item {
    padding-left: 24px;
    border-left: 1px solid var(--line);
  }
}

/* 05 联系收束 */
.page-home .sec--close {
  border-bottom: 0;
  background:
    radial-gradient(90% 130% at 92% 0%, rgba(43, 224, 208, 0.13), transparent 60%),
    var(--ink-800);
}

.page-home .close__main {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .close__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-home .close__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist);
  max-width: 38em;
}

.page-home .close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-home .cbox {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 26, 43, 0.62);
  padding: 8px 20px;
  box-shadow: var(--shadow-1);
}

.page-home .cbox__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-home .cbox__key {
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-home .cbox__val {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}

.page-home .cbox__val--plain {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  letter-spacing: 0;
  color: var(--paper);
  word-break: normal;
}

@media (min-width: 900px) {
  .page-home .close__title {
    font-size: var(--fs-32);
  }
}