.page-home {
  --home-hair: rgba(201,214,208,.18);
  --home-hair-strong: rgba(201,214,208,.34);
}

/* ---------- 首屏分屏 ---------- */
.page-home .hero-home {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--hdr-h) + 40px);
  padding-bottom: 0;
  background:
    radial-gradient(130% 70% at 82% 0%, rgba(79,240,208,.07), transparent 62%),
    radial-gradient(90% 60% at 6% 100%, rgba(242,160,61,.05), transparent 60%),
    var(--ink);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

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

.page-home .hero-narrative h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-foot {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--warm);
}

.page-home .hero-visual {
  min-width: 0;
  padding: clamp(16px, 3vw, 30px);
  border: 1px solid var(--home-hair);
  background:
    linear-gradient(180deg, rgba(23,53,43,.6), rgba(14,21,18,.92)),
    repeating-linear-gradient(90deg, rgba(201,214,208,.055) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(201,214,208,.055) 0 1px, transparent 1px 46px);
}

.page-home .hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .hero-visual .figure-cap {
  margin-top: 18px;
}

.page-home .board-axis {
  stroke: var(--line);
  stroke-width: 1;
  opacity: .34;
}

.page-home .board-edge {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  opacity: .4;
}

.page-home .board-node--done {
  fill: var(--cyan);
}

.page-home .board-node--live {
  fill: none;
  stroke: var(--amber);
  stroke-width: 2;
}

.page-home .board-node--pending {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.4;
  opacity: .55;
}

.page-home .board-leaf {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  opacity: .55;
}

.page-home .board-leaf--live {
  stroke: var(--amber);
  opacity: 1;
}

.page-home .board-label {
  fill: var(--white);
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-home .board-label--pending {
  fill: var(--warm);
}

.page-home .board-stamp {
  fill: var(--teal);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .24em;
}

/* ---------- 首屏数据横条 ---------- */
.page-home .hero-facts-wrap {
  margin-top: clamp(28px, 5vw, 46px);
  border-top: 1px solid var(--home-hair);
}

.page-home .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-hair);
}

.page-home .fact-value {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-home .fact-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--warm);
}

/* ---------- 章节公共头 ---------- */
.page-home .section {
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-home .chapter-head {
  min-width: 0;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .chapter-tag {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--teal);
}

.page-home .chapter-head h2 {
  margin: 0;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--white);
}

.page-home .chapter-sub {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 两条主线 ---------- */
.page-home .mainlines {
  background: linear-gradient(180deg, var(--ink), var(--pitch));
}

.page-home .lines-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

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

.page-home .line-card {
  min-width: 0;
  padding: clamp(20px, 3.4vw, 32px);
  border: 1px solid var(--home-hair);
  background: var(--panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .line-card:hover,
.page-home .line-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .line-card--wide {
  background:
    linear-gradient(160deg, rgba(79,240,208,.07), transparent 58%),
    var(--panel);
  border-color: var(--home-hair-strong);
}

.page-home .line-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home .line-card:not(.line-card--wide) .line-tag {
  color: var(--amber);
}

.page-home .line-title {
  margin: 12px 0 0;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--white);
}

.page-home .line-text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .line-stats {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--home-hair);
  display: grid;
  gap: 8px;
}

.page-home .line-stats li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--warm);
}

.page-home .line-stats .mono {
  color: var(--white);
  font-size: 16px;
  margin-right: 6px;
}

.page-home .line-link {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 3px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair-strong);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

/* ---------- 数据条带 ---------- */
.page-home .strips-section {
  background: var(--ink);
}

.page-home .strip-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--home-hair);
  overflow: hidden;
}

.page-home .strip-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 40 / 9;
  object-fit: cover;
  opacity: .78;
}

.page-home .strip-list {
  border-top: 1px solid var(--home-hair);
}

.page-home .strip-row {
  border-bottom: 1px solid var(--home-hair);
}

.page-home .strip-row summary {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-home .strip-row summary::-webkit-details-marker {
  display: none;
}

.page-home .strip-row summary:hover,
.page-home .strip-row summary:focus-visible {
  background: rgba(23,53,43,.55);
}

.page-home .strip-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-home .strip-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-home .strip-val {
  margin-left: auto;
  font-size: 15px;
  color: var(--cyan);
  white-space: nowrap;
}

.page-home .strip-row:nth-child(2) .strip-val,
.page-home .strip-row:nth-child(4) .strip-val {
  color: var(--amber);
}

.page-home .strip-row:nth-child(3) .strip-val {
  color: var(--coral);
}

.page-home .strip-cue {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--warm);
  white-space: nowrap;
}

.page-home .strip-cue::after {
  content: " ↓";
}

.page-home .strip-row[open] .strip-cue::after {
  content: " ↑";
}

.page-home .data-strip {
  display: block;
}

.page-home .data-strip-bar {
  display: block;
  height: 6px;
  background: rgba(201,214,208,.1);
  border-radius: 2px;
  overflow: hidden;
}

.page-home .data-strip-fill {
  display: block;
  height: 100%;
  width: var(--value, 0%);
  border-radius: 2px;
  transform-origin: left center;
  transition: filter var(--dur) var(--ease);
}

.page-home .data-strip-fill--cyan {
  background: linear-gradient(90deg, rgba(79,240,208,.5), var(--cyan));
}

.page-home .data-strip-fill--amber {
  background: linear-gradient(90deg, rgba(242,160,61,.5), var(--amber));
}

.page-home .data-strip-fill--coral {
  background: linear-gradient(90deg, rgba(228,104,90,.5), var(--coral));
}

.page-home .strip-row summary:hover .data-strip-fill {
  filter: brightness(1.2);
}

.page-home .strip-note {
  padding: 0 0 22px;
  max-width: 60ch;
}

.page-home .strip-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---------- 青训矩阵 ---------- */
.page-home .youth-section {
  background: linear-gradient(180deg, var(--pitch), var(--ink));
}

.page-home .youth-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .youth-main {
  min-width: 0;
}

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

.page-home .youth-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: rgba(140,138,128,.13);
  border: 1px solid var(--home-hair);
  border-left: 2px solid var(--teal);
  border-radius: 2px;
}

.page-home .youth-code {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .youth-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-home .youth-tier {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--warm);
}

.page-home .youth-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .youth-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair-strong);
}

.page-home .youth-more a:hover,
.page-home .youth-more a:focus-visible {
  border-color: var(--cyan);
}

.page-home .youth-figure {
  margin: 0;
}

/* ---------- 战报索引 ---------- */
.page-home .brief-section {
  background: var(--ink);
}

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

.page-home .brief-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx body"
    "tag tag";
  gap: 10px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-hair);
  transition: background-color var(--dur) var(--ease);
}

.page-home .brief-item:hover {
  background: rgba(23,53,43,.45);
}

.page-home .brief-idx {
  grid-area: idx;
  font-size: 13px;
  color: var(--teal);
  padding-top: 2px;
}

.page-home .brief-body {
  grid-area: body;
  min-width: 0;
}

.page-home .brief-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
}

.page-home .brief-meta {
  margin: 8px 0 0;
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--warm);
}

.page-home .brief-item .tag {
  grid-area: tag;
  justify-self: start;
}

.page-home .brief-cta {
  margin-top: 28px;
}

/* ---------- 更新与勘误 ---------- */
.page-home .cadence-section {
  background: linear-gradient(180deg, var(--ink), var(--pitch));
}

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

.page-home .cadence-card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--home-hair);
  border-top: 2px solid var(--teal);
  background: rgba(23,53,43,.62);
  border-radius: 2px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .cadence-card:hover {
  transform: translateY(-2px);
  border-color: var(--home-hair-strong);
  border-top-color: var(--cyan);
}

.page-home .cadence-step {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-home .cadence-card h3 {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--white);
}

.page-home .cadence-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .cadence-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-home .cadence-contact {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--home-hair);
}

.page-home .cadence-contact p {
  margin: 0 0 10px;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .cadence-contact .mono {
  color: var(--white);
  font-size: 13.5px;
  letter-spacing: .02em;
}

.page-home .cadence-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-home .cadence-links a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair-strong);
  padding-bottom: 2px;
}

.page-home .cadence-links a:hover,
.page-home .cadence-links a:focus-visible {
  border-color: var(--cyan);
}

/* ---------- 焦点可见 ---------- */
.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .youth-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .brief-item {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    grid-template-areas: "idx .page-home tag";
    align-items: center;
    gap: 8px 18px;
  }

  .page-home .brief-item .tag {
    justify-self: end;
  }

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

@media (min-width: 900px) {
  .page-home .hero-home {
    padding-top: calc(var(--hdr-h) + 68px);
    padding-bottom: 0;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-home .chapter-head {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 48px);
    align-items: start;
  }

  .page-home .chapter-tag {
    grid-column: 1;
    grid-row: 1 / span 2;
    writing-mode: vertical-rl;
    margin-bottom: 0;
    letter-spacing: .28em;
    padding-top: 6px;
  }

  .page-home .chapter-head h2,
  .page-home .chapter-head .chapter-sub {
    grid-column: 2;
  }

  .page-home .chapter-head h2 {
    grid-row: 1;
  }

  .page-home .chapter-head .chapter-sub {
    grid-row: 2;
  }

  .page-home .lines-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 22px;
  }

  .page-home .lines-figure {
    margin-bottom: clamp(32px, 4vw, 52px);
  }

  .page-home .youth-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

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

@media (min-width: 1100px) {
  .page-home .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .fact {
    padding: 24px 26px 24px 0;
    border-bottom: 0;
    border-right: 1px solid var(--home-hair);
  }

  .page-home .fact:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .line-card,
  .page-home .cadence-card,
  .page-home .data-strip-fill,
  .page-home .line-link,
  .page-home a,
  .page-home summary {
    transition-property: opacity, color, border-color, background-color;
  }

  .page-home .line-card:hover,
  .page-home .cadence-card:hover {
    transform: none;
  }
}

.page-home {
  --value: 1rem;
}