.page-home {
  --home-gap: clamp(56px, 8vw, 104px);
  --home-shadow: 0 0 0 1px rgba(159, 176, 171, .12);
  padding-top: 0;
  background: var(--ink);
  color: var(--silver);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 88px)) 0 clamp(48px, 7vw, 96px);
  border-bottom: 1px solid var(--line);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -14vw;
  right: -14vw;
  width: 52vw;
  height: 52vw;
  background: radial-gradient(circle, rgba(29, 74, 60, .6), transparent 68%);
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
}

.page-home .hero-copy .eyebrow {
  color: var(--lime);
  margin: 0 0 18px;
}

.page-home .hero .display-1 {
  margin: 0 0 20px;
  font-size: clamp(2.35rem, 8.4vw, 5.6rem);
  line-height: .96;
  letter-spacing: -.045em;
  font-weight: 900;
  color: var(--bone);
}

.page-home .hero .display-1 em {
  font-style: normal;
  color: var(--lime);
}

.page-home .hero .lede {
  margin: 0 0 16px;
  max-width: 32em;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2.2vw, 1.3rem);
  line-height: 1.72;
  color: var(--bone);
}

.page-home .hero-text {
  margin: 0;
  max-width: 34em;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .hero-stats li {
  background: var(--ink);
  padding: 16px 14px;
}

.page-home .hero-stats .n {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.6vw, 1.9rem);
  line-height: 1.1;
  color: var(--lime);
  letter-spacing: -.02em;
}

.page-home .hero-stats .l {
  display: block;
  margin-top: 7px;
  font-size: .76rem;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .hero-visual {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--moss);
  align-self: start;
}

.page-home .hero-frame {
  display: block;
  overflow: hidden;
}

.page-home .hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1) brightness(.78);
}

.page-home .pitch-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-home .hero-coord {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 9px 14px;
  background: rgba(6, 24, 19, .86);
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: .67rem;
  letter-spacing: .14em;
  color: var(--silver);
}

/* ---------- 章节导航 ---------- */
.page-home .chapter-nav {
  background: var(--moss);
  border-bottom: 1px solid var(--line);
}

.page-home .chapter-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
}

.page-home .chapter-list li {
  background: var(--moss);
}

.page-home .chapter-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 18px;
  text-decoration: none;
  color: var(--silver);
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-home .chapter-list a:hover,
.page-home .chapter-list a:focus-visible {
  background: var(--pitch);
  color: var(--bone);
}

.page-home .chapter-list .num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--lime);
  letter-spacing: .04em;
}

.page-home .chapter-list strong {
  grid-column: 2;
  grid-row: 1;
  font-size: .95rem;
  font-weight: 700;
  color: var(--bone);
  letter-spacing: -.01em;
}

.page-home .chapter-list .dsc {
  grid-column: 2;
  grid-row: 2;
  font-size: .78rem;
  line-height: 1.55;
  color: var(--silver);
}

/* ---------- 区块骨架 ---------- */
.page-home .section {
  padding: var(--home-gap) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 22px;
  padding-bottom: 18px;
  margin-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-home .section-num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-home .head-body .eyebrow {
  color: var(--lime);
  margin: 0 0 8px;
}

.page-home .display-2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.9vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  font-weight: 800;
  color: var(--bone);
}

.page-home .display-3 {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -.02em;
  font-weight: 700;
  color: var(--bone);
}

.page-home .head-note {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .col-title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--lime);
}

/* ---------- 标签页协议 ---------- */
.page-home .tabs .tab-list {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  background: var(--moss);
  border: 1px solid var(--line);
}

.page-home .tabs .tab-list .tab {
  flex: 0 0 auto;
  padding: 14px 20px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 2px solid transparent;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-home .tabs .tab-list .tab:hover {
  color: var(--bone);
  background: var(--pitch);
}

.page-home .tabs .tab-list .tab[aria-selected="true"] {
  color: var(--lime);
  border-bottom-color: var(--lime);
  background: rgba(200, 255, 77, .07);
}

.page-home .tabs .tab-list .tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-home .tabs .tab-panel[hidden] {
  display: none;
}

.page-home .tabs .tab-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--moss);
  border: 1px solid var(--line);
  border-top: 0;
}

/* ---------- 01 轮次 ---------- */
.page-home .round-body .eyebrow {
  color: var(--silver);
  margin: 0 0 10px;
}

.page-home .round-body p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .round-meta {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .round-meta li {
  display: grid;
  grid-template-columns: minmax(0, 92px) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-home .round-meta .k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-home .round-meta .v {
  font-size: .84rem;
  line-height: 1.65;
  color: var(--silver);
}

.page-home .round-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 1px solid var(--line);
}

.page-home .round-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.82) contrast(1.08);
}

.page-home .round-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 02 数据 ---------- */
.page-home .data-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-home .data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .data-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 16px;
  background: var(--moss);
  border-left: 2px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-home .data-card:hover {
  background: var(--pitch);
  border-left-color: var(--lime);
}

.page-home .data-card .d-num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--lime);
  letter-spacing: .04em;
}

.page-home .data-card .d-name {
  margin: 0;
  font-size: .92rem;
  font-weight: 700;
  color: var(--bone);
  letter-spacing: -.01em;
}

.page-home .data-card .d-desc {
  margin: 0;
  font-size: .8rem;
  line-height: 1.62;
  color: var(--silver);
}

.page-home .data-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .data-aside figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--moss);
}

.page-home .data-aside img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

.page-home .aside-note {
  margin: 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .sync-block {
  margin-top: clamp(40px, 6vw, 68px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-home .sync-lede {
  margin: 12px 0 22px;
  max-width: 34em;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .device-desc {
  margin: 0;
  max-width: 34em;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 03 球队与战报 ---------- */
.page-home .squad-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 46px);
}

.page-home .report-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .report-list li + li {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-home .report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.page-home .report-list p {
  margin: 10px 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .report-list .ghost-link {
  margin-top: 10px;
  display: inline-block;
}

.page-home .squad-cards {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .squad-card {
  padding: 20px 18px;
  background: var(--moss);
}

.page-home .squad-card .eyebrow {
  color: var(--silver);
  margin: 0 0 8px;
}

.page-home .squad-card dl {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
}

.page-home .squad-card dt {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-home .squad-card dd {
  margin: 5px 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .squad-col .btn {
  margin-top: 20px;
}

/* ---------- 04 资料库 ---------- */
.page-home .tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .tier-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--moss);
}

.page-home .tier-card .eyebrow {
  color: var(--silver);
  margin: 0;
}

.page-home .tier-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .tier-list li {
  position: relative;
  padding-left: 16px;
  font-size: .85rem;
  line-height: 1.68;
  color: var(--silver);
}

.page-home .tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--lime);
}

.page-home .tier-card .ghost-link {
  margin-top: auto;
}

.page-home .first-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(118deg, var(--pitch), var(--moss) 72%);
}

.page-home .first-visit .eyebrow {
  color: var(--lime);
  margin: 0 0 8px;
}

.page-home .first-visit-text {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .library-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 1px solid var(--line);
}

.page-home .library-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(.85) contrast(1.08) brightness(.86);
}

.page-home .library-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 收束 ---------- */
.page-home .closing {
  position: relative;
  padding: clamp(58px, 8vw, 112px) 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(200, 255, 77, .1), transparent 58%),
    var(--ink);
  border-top: 1px solid var(--line);
}

.page-home .closing .eyebrow {
  color: var(--lime);
  margin: 0 0 14px;
}

.page-home .closing-line {
  max-width: 20em;
  margin: 0;
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .data-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 260px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

  .page-home .section-head {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .squad-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }

  .page-home .first-visit {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
  }
}

@media (max-width: 560px) {
  .page-home .hero .display-1 {
    letter-spacing: -.035em;
  }

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

  .page-home .round-meta li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-home .hero-coord {
    font-size: .6rem;
    letter-spacing: .1em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chapter-list a,
  .page-home .data-card,
  .page-home .tabs .tab-list .tab {
    transition: none;
  }
}