.page-home {
  --home-gap: clamp(20px, 3vw, 32px);
  --home-pad: clamp(46px, 7vw, 88px);
  display: block;
}

.page-home .section {
  position: relative;
  padding: var(--home-pad) 0;
}

/* ---------- 通用章节头 ---------- */
.page-home .section-head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-home .section-index {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 10px;
}

.page-home .section-title {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text);
}

.page-home .section-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 脉冲点 ---------- */
.page-home .pulse {
  position: relative;
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.page-home .pulse::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: home-pulse 2s ease-out infinite;
}

@keyframes home-pulse {
  0% { opacity: 0.8; transform: scale(0.6); }
  100% { opacity: 0; transform: scale(1.25); }
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(34px, 5.5vw, 72px) 0 calc(var(--home-pad) * 0.85);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -16%;
  width: min(860px, 88%);
  height: 132%;
  background: linear-gradient(148deg, rgba(18, 224, 196, 0.2) 0%, rgba(108, 76, 255, 0.14) 44%, rgba(5, 22, 28, 0) 78%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 64, 72, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 64, 72, 0.5) 1px, transparent 1px);
  background-size: 92px 92px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 76%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-home .hero-rail {
  position: relative;
  padding-left: clamp(14px, 1.6vw, 20px);
  border-left: 1px solid var(--line);
}

.page-home .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-home .hero-title {
  margin: 0 0 18px;
  max-width: 16ch;
  font-size: clamp(31px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.09;
  letter-spacing: -1.2px;
  color: var(--text);
}

.page-home .hero-lead {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .hero-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .hero-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
}

.page-home .hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--hi);
  transform: translateY(-50%);
}

.page-home .hero-note {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* 首屏数据面板 */
.page-home .hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
  box-shadow: var(--shadow-panel);
  isolation: isolate;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-home .hero-panel-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-home .hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(104deg, rgba(11, 42, 50, 0.97) 0%, rgba(11, 42, 50, 0.74) 54%, rgba(5, 22, 28, 0.58) 100%);
  pointer-events: none;
}

.page-home .hero-panel-inner {
  position: relative;
  z-index: 2;
  padding: clamp(20px, 2.6vw, 30px);
}

.page-home .hero-panel .panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .hero-panel .panel-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .hero-panel .panel-title {
  flex: 1 1 160px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.2px;
  color: var(--text);
}

.page-home .hero-panel .panel-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 1px;
  margin: 18px 0 16px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .hero-stat {
  padding: 16px 14px;
  background: rgba(5, 22, 28, 0.74);
}

.page-home .hero-stat-value {
  display: block;
  font-size: clamp(23px, 3vw, 33px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.6px;
  color: var(--hi);
}

.page-home .hero-stat-unit {
  margin-left: 2px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.page-home .hero-stat-label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .hero-media {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  background: var(--ink-900);
  overflow: hidden;
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

.page-home .hero-media-caption {
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-home .hero-refresh {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-home .hero-refresh .num {
  color: var(--hi);
}

.page-home .hero-panel-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 横向赛事主题带 ---------- */
.page-home .band-scroll {
  display: flex;
  gap: 1px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .band-scroll > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-home .band-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 152px;
  min-height: 88px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease-out, background-color 0.2s ease-out;
}

.page-home .band-item:hover,
.page-home .band-item:focus-visible {
  border-color: var(--accent);
  background: var(--ink-700);
}

.page-home .band-name {
  display: block;
  margin-bottom: 7px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text);
}

.page-home .band-meta {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--hi);
}

/* ---------- 四条路径 ---------- */
.page-home .line-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .line-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color 0.22s ease-out;
}

.page-home .line-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(28, 64, 72, 0.7) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 64, 72, 0.7) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0;
  transition: opacity 0.28s ease-out;
  pointer-events: none;
}

.page-home .line-panel:hover::before,
.page-home .line-panel:focus-within::before {
  opacity: 1;
}

.page-home .line-panel:hover,
.page-home .line-panel:focus-within {
  border-color: var(--accent);
}

.page-home .line-panel > * {
  position: relative;
  z-index: 1;
}

.page-home .line-panel--a { border-left: 3px solid var(--accent); }
.page-home .line-panel--b { border-left: 3px solid var(--warn); }
.page-home .line-panel--c { border-left: 3px solid var(--rule); }
.page-home .line-panel--d { border-left: 3px solid var(--hi); }

.page-home .line-title {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.3px;
  color: var(--text);
}

.page-home .line-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .line-fit {
  margin: 0 0 18px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  background: rgba(5, 22, 28, 0.55);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}

.page-home .line-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 224, 196, 0.4);
  padding-bottom: 2px;
}

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

/* ---------- 伤停速览 ---------- */
.page-home .injuries-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

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

.page-home .injury-step {
  padding: 16px;
  background: var(--ink-800);
}

.page-home .injury-step-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--warn);
}

.page-home .injury-step-title {
  margin: 8px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-home .injury-step-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-home .injuries-stamp {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .injuries-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
  align-content: start;
}

.page-home .injuries-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-home .injuries-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-home .injuries-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-home .injuries-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 数据流程 ---------- */
.page-home .flow-list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .flow-item {
  padding: 22px 18px 24px;
  background: var(--ink-800);
  border-top: 2px solid var(--line);
}

.page-home .flow-item--hi {
  border-top-color: var(--warn);
  background: var(--ink-700);
}

.page-home .flow-item-title {
  margin: 0 0 9px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.2px;
  color: var(--text);
}

.page-home .flow-item-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .flow-foot {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--hi);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 版本规则 ---------- */
.page-home .rules-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
}

.page-home .rules-mark {
  padding: clamp(22px, 3vw, 34px);
  text-align: center;
  border: 1px solid var(--rule);
  background: linear-gradient(152deg, rgba(108, 76, 255, 0.24), rgba(5, 22, 28, 0.92) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-home .rules-version {
  display: block;
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -2px;
  color: var(--rule-soft);
}

.page-home .rules-version-label {
  display: block;
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-home .rules-list {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .rules-list li {
  position: relative;
  padding: 13px 16px 13px 32px;
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-home .rules-list li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 1.1em;
  width: 7px;
  height: 7px;
  background: var(--rule);
  transform: translateY(-50%);
}

/* ---------- 订阅步骤 ---------- */
.page-home .start-steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  margin: 0 0 clamp(26px, 3.4vw, 38px);
  padding: 0;
  counter-reset: none;
}

.page-home .start-step {
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .start-step-num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.page-home .start-step-title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
}

.page-home .start-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .start-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .start-foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .start-foot a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 224, 196, 0.4);
}

.page-home .start-foot a:hover,
.page-home .start-foot a:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 章节指示点 ---------- */
.page-home .section-dots {
  position: fixed;
  top: 50%;
  right: 14px;
  z-index: 40;
  display: none;
  flex-direction: column;
  gap: 14px;
  transform: translateY(-50%);
}

.page-home .section-dot {
  display: block;
  width: 9px;
  height: 9px;
  border: 1px solid var(--line);
  background: transparent;
  transition: background-color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-home .section-dot:hover,
.page-home .section-dot:focus-visible {
  border-color: var(--accent);
}

.page-home .section-dot[aria-current="true"] {
  background: var(--hi);
  border-color: var(--hi);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .injury-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-home .injuries-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 860px) {
  .page-home .rules-grid {
    grid-template-columns: minmax(0, 0.55fr) minmax(0, 1.45fr);
    align-items: center;
  }

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

@media (min-width: 900px) {
  .page-home .line-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .line-panel--a { grid-column: span 4; }
  .page-home .line-panel--b { grid-column: span 2; }
  .page-home .line-panel--c { grid-column: span 2; }
  .page-home .line-panel--d { grid-column: span 4; }
}

@media (min-width: 980px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
    gap: clamp(30px, 4vw, 60px);
  }
}

@media (min-width: 1280px) {
  .page-home .section-dots {
    display: flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .pulse::after {
    animation: none;
  }

  .page-home .band-item,
  .page-home .line-panel,
  .page-home .line-panel::before,
  .page-home .section-dot {
    transition: none;
  }
}