/* ===== 首页专属样式 · 作用域 .page-home ===== */
.page-home {
  --home-rail: 268px;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-cn);
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
}

.page-home a {
  color: inherit;
}

.page-home .breadcrumb {
  padding: 20px 0 4px;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 首屏：框景分屏 ---------- */
.page-home .hero {
  padding-bottom: 8px;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  align-items: start;
  padding-top: 12px;
  padding-bottom: 32px;
}

.page-home .hero-rail {
  background: var(--bg-panel);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  padding: 16px 14px;
}

.page-home .rail-index {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-home .rail-lead {
  margin: 10px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-home .rail-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .rail-list li {
  flex: 0 0 auto;
}

.page-home .rail-list a {
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .rail-list a:hover,
.page-home .rail-list a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.page-home .rail-foot {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-home .hero-board {
  position: relative;
  padding: 22px 16px 18px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--grad-frame);
  overflow: hidden;
}

.page-home .hero-board > * {
  position: relative;
  z-index: 1;
}

.page-home .hero-board::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px 14px
  );
  opacity: 0.55;
  pointer-events: none;
}

.page-home .board-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-home h1 {
  margin: 0 0 16px;
  font-size: 34px;
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .hero-lead {
  max-width: 46em;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
}

.page-home .stat {
  padding: 14px 12px;
  background: var(--bg-deep);
}

.page-home .stat-num {
  display: block;
  font-size: 26px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.page-home .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dim);
}

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

.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-home .media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 全宽数据横条 ---------- */
.page-home .band {
  background: var(--grad-bar);
  border-top: 1px solid var(--line-hair);
  border-bottom: 1px solid var(--line-hair);
  padding: 32px 0;
}

.page-home .band-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  align-items: center;
}

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

.page-home .band-title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.01em;
}

.page-home .band-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .data-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
}

.page-home .data-bar__item {
  padding: 14px 12px;
  background: var(--bg-panel);
}

.page-home .data-bar-num {
  display: block;
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
}

.page-home .data-bar-num--alt {
  color: var(--accent-alt);
}

.page-home .data-bar-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 最新资讯条目 ---------- */
.page-home .news {
  padding: 44px 0 12px;
}

.page-home .news-filter {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-home .section-head {
  margin-bottom: 12px;
}

.page-home .section-index {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-home .section-title {
  margin: 0;
  font-size: 26px;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-home .news-head {
  margin-bottom: 20px;
}

.page-home .news-lead,
.page-home .history-lead,
.page-home .routes-lead,
.page-home .signup-lead,
.page-home .partner-lead {
  max-width: 52em;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .news-filter-bar {
  display: flex;
  gap: 8px;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .filter-btn {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-home .filter-btn:hover {
  color: var(--text);
  border-color: var(--line);
}

.page-home .news-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
}

.page-home .news-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 18px 16px;
  background: var(--bg-panel);
  transition: background-color var(--dur) var(--ease);
}

.page-home .news-entry:hover {
  background: var(--bg-row);
}

.page-home .entry-time {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-home .entry-body {
  min-width: 0;
}

.page-home .entry-title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.5;
}

.page-home .entry-text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .entry-link {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

.page-home .tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-home .tag--live {
  border-color: var(--accent);
  color: var(--accent);
}

.page-home .tag--alert {
  border-color: var(--accent-alt);
  color: var(--accent-alt);
}

/* 单选筛选：全部选中时不隐藏任何条目 */
.page-home #nf-league:checked ~ .news-stream .news-entry:not([data-cat="league"]),
.page-home #nf-cup:checked ~ .news-stream .news-entry:not([data-cat="cup"]),
.page-home #nf-friendly:checked ~ .news-stream .news-entry:not([data-cat="friendly"]),
.page-home #nf-squad:checked ~ .news-stream .news-entry:not([data-cat="squad"]),
.page-home #nf-version:checked ~ .news-stream .news-entry:not([data-cat="version"]) {
  display: none;
}

.page-home #nf-all:checked ~ .news-filter-bar label[for="nf-all"],
.page-home #nf-league:checked ~ .news-filter-bar label[for="nf-league"],
.page-home #nf-cup:checked ~ .news-filter-bar label[for="nf-cup"],
.page-home #nf-friendly:checked ~ .news-filter-bar label[for="nf-friendly"],
.page-home #nf-squad:checked ~ .news-filter-bar label[for="nf-squad"],
.page-home #nf-version:checked ~ .news-filter-bar label[for="nf-version"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--teal-deep);
}

.page-home .news-filter:focus-visible ~ .news-filter-bar label[for="nf-all"] {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.page-home #nf-league:focus-visible ~ .news-filter-bar label[for="nf-league"],
.page-home #nf-cup:focus-visible ~ .news-filter-bar label[for="nf-cup"],
.page-home #nf-friendly:focus-visible ~ .news-filter-bar label[for="nf-friendly"],
.page-home #nf-squad:focus-visible ~ .news-filter-bar label[for="nf-squad"],
.page-home #nf-version:focus-visible ~ .news-filter-bar label[for="nf-version"] {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- 历史数据对照 ---------- */
.page-home .history {
  padding: 44px 0;
}

.page-home .history-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  align-items: start;
}

.page-home .history-lead {
  margin-bottom: 22px;
}

.page-home .history-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
}

.page-home .history-points li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding: 14px 14px;
  background: var(--bg-panel);
}

.page-home .point-key {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-home .point-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.5;
}

.page-home .field-caption {
  text-align: left;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-home .field-table th,
.page-home .field-table td {
  padding: 10px 12px;
  border: 1px solid var(--line-hair);
  text-align: left;
  vertical-align: top;
}

.page-home .field-table thead th {
  background: var(--bg-row);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--text-dim);
}

.page-home .field-table tbody th {
  font-weight: 500;
  color: var(--text);
  background: var(--bg-panel);
}

.page-home .field-table tbody td {
  color: var(--text-dim);
}

.page-home .field-table tbody tr:hover th,
.page-home .field-table tbody tr:hover td {
  background: var(--bg-row);
  color: var(--text);
}

.page-home .field-table td.mono {
  color: var(--accent);
}

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

/* ---------- 两条入口 ---------- */
.page-home .routes {
  padding: 44px 0;
  border-top: 1px solid var(--line-hair);
}

.page-home .routes-lead {
  margin-bottom: 24px;
}

.page-home .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
}

.page-home .route-card {
  padding: 22px 18px;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.page-home .route-card--download {
  border-left: 2px solid var(--accent);
}

.page-home .route-card--preview {
  border-left: 2px solid var(--accent-alt);
}

.page-home .route-code {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-home .route-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 300;
}

.page-home .route-text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .route-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-home .route-list li {
  padding: 8px 0 8px 16px;
  border-top: 1px solid var(--line-hair);
  font-size: 13px;
  color: var(--text-dim);
  position: relative;
}

.page-home .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 1px;
  background: var(--line);
}

.page-home .btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-home .btn--primary {
  border-color: var(--accent);
  color: var(--accent);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  background: var(--teal-deep);
}

.page-home .btn--ghost {
  border-color: var(--accent-alt);
  color: var(--accent-alt);
}

.page-home .btn--ghost:hover,
.page-home .btn--ghost:focus-visible {
  background: rgba(255, 138, 61, 0.12);
}

/* ---------- 注册三步 ---------- */
.page-home .signup {
  padding: 44px 0;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--teal-deep) 100%);
  border-top: 1px solid var(--line-hair);
}

.page-home .signup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  align-items: start;
}

.page-home .signup-lead {
  margin-bottom: 26px;
}

.page-home .skill-path {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--accent);
}

.page-home .skill-node {
  position: relative;
  padding: 0 0 26px 16px;
}

.page-home .skill-node:last-child {
  padding-bottom: 0;
}

.page-home .skill-node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  background: var(--bg-deep);
  transform: rotate(45deg);
}

.page-home .skill-node__step {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-home .skill-node__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 400;
}

.page-home .node-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-home .signup-figure img {
  max-width: 320px;
  margin: 0 auto;
}

/* ---------- 数据协作 ---------- */
.page-home .partner {
  padding: 44px 0 52px;
}

.page-home .partner-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-s);
  align-items: start;
}

.page-home .partner-lead {
  margin-bottom: 18px;
}

.page-home .partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-home .partner-list li {
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text);
}

.page-home .partner-flow {
  margin: 0 0 22px;
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-home .partner-side {
  padding: 20px 18px;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.page-home .side-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--text-dim);
}

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

.page-home .side-links li {
  border-top: 1px solid var(--line-hair);
}

.page-home .side-links li:first-child {
  border-top: 0;
}

.page-home .side-links a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  text-decoration: none;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

.page-home .side-links a:hover,
.page-home .side-links a:focus-visible {
  color: var(--accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home h1 {
    font-size: 48px;
  }

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

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

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

  .page-home .news-entry {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
  }

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

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

@media (min-width: 980px) {
  .page-home h1 {
    font-size: 58px;
  }

  .page-home .hero-grid {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    gap: var(--gap);
    padding-bottom: 44px;
  }

  .page-home .hero-rail {
    position: sticky;
    top: 96px;
    padding: 20px 18px;
  }

  .page-home .rail-list {
    display: block;
    overflow: visible;
  }

  .page-home .rail-list li + li {
    margin-top: 8px;
  }

  .page-home .rail-list a {
    border-color: transparent;
    padding: 7px 0 7px 12px;
    position: relative;
  }

  .page-home .rail-list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 1px;
    background: var(--line);
    transition: background-color var(--dur) var(--ease), width var(--dur) var(--ease);
  }

  .page-home .rail-list a:hover::before,
  .page-home .rail-list a:focus-visible::before {
    width: 10px;
    background: var(--accent);
  }

  .page-home .hero-board {
    padding: 34px 32px 28px;
  }

  .page-home .band-grid {
    grid-template-columns: 360px minmax(0, 1fr);
    gap: var(--gap);
  }

  .page-home .data-bar {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-home .data-bar-num {
    font-size: 24px;
  }

  .page-home .history-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--gap);
  }

  .page-home .signup-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--gap);
  }

  .page-home .partner-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--gap);
  }

  .page-home .section-title {
    font-size: 32px;
  }
}

@media (min-width: 1180px) {
  .page-home h1 {
    font-size: 64px;
  }

  .page-home .hero-board {
    padding: 40px 44px 32px;
  }

  .page-home .news-entry {
    grid-template-columns: 132px minmax(0, 1fr);
    padding: 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 1ms !important;
  }
}