/* ================= page-home ================= */
.page-home {
  --home-rule: rgba(108, 123, 139, .22);
  --home-panel-soft: rgba(19, 44, 66, .62);
  --home-cyan-glow: rgba(52, 227, 212, .1);
}

/* ---------- 章节骨架（页面范围内微调共享类） ---------- */
.page-home .section {
  margin: 0;
  padding: 46px 0 6px;
}

.page-home .section + .section {
  margin-top: 38px;
  border-top: 1px solid var(--line-soft);
}

.page-home .section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-home .section__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.28;
}

.page-home .section__lead {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}

.page-home .link-cyan {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 227, 212, .35);
  transition: border-color var(--dur), color var(--dur);
}

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

/* ---------- 首屏速览 ---------- */
.page-home .brief {
  display: grid;
  gap: 26px;
  padding: 22px 0 0;
}

.page-home .brief__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .brief__main h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 7.4vw, 52px);
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.14;
  color: var(--white);
}

.page-home .brief__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ice);
}

.page-home .statline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--home-rule);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .statline__cell {
  background: var(--panel);
  padding: 15px 16px 17px;
}

.page-home .statline__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 38px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.08;
  color: var(--white);
}

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

.page-home .statline__label {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--carbon);
}

.page-home .brief__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 目录浮岛 */
.page-home .toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--carbon);
  text-transform: uppercase;
}

.page-home .toc {
  margin: 0;
  padding: 6px 20px 12px;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-home .toc__item + .toc__item {
  border-top: 1px solid var(--home-rule);
}

.page-home .toc__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  padding: 15px 2px;
  font-size: 15px;
  color: var(--ice);
  text-decoration: none;
  transition: color var(--dur), transform var(--dur);
}

.page-home .toc__link:hover,
.page-home .toc__link:focus-visible {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-home .toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-home .toc__arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--carbon);
  text-align: right;
}

/* 首屏光带 */
.page-home .brief__band {
  position: relative;
  margin: 4px 0 0;
  grid-column: 1 / -1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-home .brief__band img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 240px);
  object-fit: cover;
  opacity: .82;
}

.page-home .brief__band::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--ink) 0%, rgba(10, 26, 43, 0) 46%, rgba(10, 26, 43, .62) 100%);
  pointer-events: none;
}

.page-home .brief__band figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  z-index: 1;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
}

/* ---------- 公告跑马灯 ---------- */
.page-home .notice {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding: 9px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
}

.page-home .notice__badge {
  flex: none;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.page-home .notice__viewport {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 22px, #000 calc(100% - 34px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 22px, #000 calc(100% - 34px), transparent 100%);
}

.page-home .notice__viewport::-webkit-scrollbar {
  display: none;
}

.page-home .notice__track {
  display: flex;
  flex-wrap: nowrap;
  width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .notice__track[data-ticker-ready] {
  animation: home-marquee 34s linear infinite;
}

.page-home .notice:hover .notice__track[data-ticker-ready],
.page-home .notice:focus-within .notice__track[data-ticker-ready] {
  animation-play-state: paused;
}

.page-home .notice__item {
  padding-right: 46px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice);
  white-space: nowrap;
}

.page-home .notice__tag {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

@keyframes home-marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- 版本记录折叠列表 ---------- */
.page-home .versions {
  margin-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-home .versions__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .versions__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: center;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur);
}

.page-home .versions__head::-webkit-details-marker {
  display: none;
}

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

.page-home .versions__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home .versions__topic {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice);
}

.page-home .versions__flag {
  justify-self: start;
}

.page-home .versions__body {
  padding: 0 4px 20px;
}

.page-home .versions__body p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  opacity: .88;
}

.page-home .versions__link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 227, 212, .35);
  padding-bottom: 1px;
}

/* ---------- 赛季条带 ---------- */
.page-home .seasons__figure {
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-home .seasons__figure img {
  display: block;
  width: 100%;
  height: clamp(160px, 28vw, 260px);
  object-fit: cover;
  opacity: .9;
}

.page-home .seasons__rail {
  margin-top: 20px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  padding-bottom: 8px;
}

.page-home .seasons__list {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0 2px;
  list-style: none;
}

.page-home .seasons__node {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-home .seasons__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 152px;
  padding: 16px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  color: var(--ice);
  text-decoration: none;
  transition: border-color var(--dur), transform var(--dur), background var(--dur);
}

.page-home .seasons__link:hover,
.page-home .seasons__link:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-home .seasons__year {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}

.page-home .seasons__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-home .seasons__note {
  font-size: 12px;
  line-height: 1.5;
  color: var(--carbon);
}

.page-home .seasons__node--current .seasons__link {
  border-color: var(--cyan);
  background: linear-gradient(180deg, var(--home-cyan-glow), var(--home-panel-soft));
}

.page-home .seasons__node--current .seasons__note {
  color: var(--orange);
}

.page-home .seasons__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ice);
  opacity: .82;
}

/* ---------- 电脑版适配与权益 ---------- */
.page-home .adapt {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-home .adapt__text > p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ice);
}

.page-home .tiers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .tiers__item {
  padding: 12px 14px 14px;
  background: var(--home-panel-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
}

.page-home .tiers__name {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .tiers__desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
  opacity: .84;
}

.page-home .adapt__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .adapt__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 服务与联络 ---------- */
.page-home .reach {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

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

.page-home .reach__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .reach__row:first-child {
  border-top: 1px solid var(--home-rule);
}

.page-home .reach__key {
  flex: 0 0 80px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--carbon);
}

.page-home .reach__val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ice);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-home .copy-chip {
  flex: none;
  appearance: none;
  padding: 5px 13px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.5;
  cursor: pointer;
  transition: background var(--dur), border-color var(--dur);
}

.page-home .copy-chip:hover,
.page-home .copy-chip:focus-visible {
  background: var(--home-cyan-glow);
  border-color: var(--cyan);
}

.page-home .reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .reach__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .statline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .versions__head {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-home .section {
    padding: 58px 0 10px;
  }

  .page-home .section + .section {
    margin-top: 50px;
  }

  .page-home .adapt {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 46px;
    align-items: center;
  }

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

  .page-home .brief__band figcaption {
    left: 24px;
    bottom: 18px;
  }
}

@media (min-width: 960px) {
  .page-home .brief {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 0 56px;
    padding-top: 30px;
  }

  .page-home .brief__aside {
    margin-top: 72px;
  }

  .page-home .brief__main h1 {
    max-width: 20ch;
  }

  .page-home .tiers {
    gap: 12px;
  }

  .page-home .seasons__link {
    min-width: 168px;
  }
}

@media (max-width: 559px) {
  .page-home .notice {
    flex-wrap: wrap;
    gap: 8px 10px;
    border-radius: var(--r-md);
    padding: 10px 12px;
  }

  .page-home .notice__badge {
    font-size: 11px;
  }

  .page-home .reach__key {
    flex: 0 0 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .notice__track[data-ticker-ready] {
    animation: none;
  }

  .page-home .toc__link,
  .page-home .seasons__link,
  .page-home .copy-chip {
    transition: none;
  }
}