/* ========== 首页 · 夜间赛场数据舱 ========== */
.page-home {
  position: relative;
  display: block;
  color: var(--text);
  background: var(--ink-900);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 84px)) var(--pad-x) clamp(48px, 6vw, 88px);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(28, 58, 97, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 58, 97, 0.5) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 46% at 84% 16%, rgba(47, 227, 240, 0.16), transparent 68%),
    radial-gradient(46% 42% at 2% 86%, rgba(255, 106, 43, 0.11), transparent 70%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--w-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vw, 64px);
}

@media (min-width: 1024px) {
  .page-home .hero-inner {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

.page-home .hero-col-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-home .breadcrumbs {
  margin: 0 0 22px;
  font-size: 12px;
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .hero-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--cyan);
}

.page-home .hero-title {
  margin: 20px 0 0;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .hero-title em {
  font-style: normal;
  color: var(--cyan);
}

.page-home .hero-lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-2);
}

.page-home .hero-version {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(11, 27, 51, 0.72);
}

.page-home .hero-version .ver {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-home .hero-version .ver-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

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

.page-home .hero-shot {
  margin: 34px 0 0;
  width: min(320px, 100%);
}

/* ---------- 首屏数据面板 ---------- */
.page-home .data-panel {
  position: relative;
  display: flex;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-blue);
}

.page-home .data-panel-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .data-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 10, 22, 0.7) 0%, rgba(5, 10, 22, 0.9) 60%, rgba(5, 10, 22, 0.97) 100%),
    linear-gradient(105deg, rgba(11, 27, 51, 0.9) 0%, rgba(11, 27, 51, 0.34) 72%);
}

.page-home .data-panel-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: clamp(22px, 3.2vw, 38px);
}

.page-home .data-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-2);
}

.page-home .data-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  animation: home-pulse 2.4s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.page-home .data-title {
  margin: 22px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .rotator {
  margin-top: 20px;
  display: grid;
}

.page-home .rotator-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 18px;
  padding: 18px 0 18px 14px;
  border-bottom: 1px solid rgba(28, 58, 97, 0.75);
}

.page-home .rotator-item:first-child {
  border-top: 1px solid rgba(28, 58, 97, 0.75);
}

.page-home .rotator-item.is-active {
  background: linear-gradient(90deg, rgba(47, 227, 240, 0.1), transparent 72%);
}

.page-home .rotator-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
}

.page-home .rotator-value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-home .rotator-item.is-active .rotator-value {
  color: var(--cyan);
}

.page-home .rotator-unit {
  margin-left: 4px;
  font-size: 0.4em;
  color: var(--text-2);
}

.page-home .rotator-label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-2);
  text-align: right;
}

.page-home .data-foot {
  margin: auto 0 0;
  padding-top: 22px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 首屏索引 ---------- */
.page-home .hero-index {
  position: relative;
  z-index: 1;
  max-width: var(--w-max);
  margin: clamp(40px, 6vw, 72px) auto 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-home .hero-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .hero-index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 18px 20px;
  background: rgba(11, 27, 51, 0.92);
  color: var(--text);
  text-decoration: none;
  transition: background 0.25s ease;
}

.page-home .hero-index a:hover,
.page-home .hero-index a.is-active {
  background: rgba(14, 124, 147, 0.24);
}

.page-home .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .idx-label {
  font-size: 15px;
  font-weight: 700;
}

.page-home .idx-hint {
  font-size: 12px;
  color: var(--text-2);
}

/* ---------- 章节骨架 ---------- */
.page-home .home-section {
  position: relative;
  padding: clamp(56px, 8vw, 104px) var(--pad-x);
}

.page-home .home-section--alt {
  background: rgba(11, 27, 51, 0.34);
}

.page-home .home-inner {
  position: relative;
  max-width: var(--w-max);
  margin: 0 auto;
}

.page-home .section-head {
  position: relative;
  max-width: 62ch;
}

.page-home .section-index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

@media (min-width: 1080px) {
  .page-home .section-head {
    padding-left: 92px;
    max-width: calc(62ch + 92px);
  }
  .page-home .section-head .section-index {
    position: absolute;
    left: 0;
    top: -10px;
    margin-bottom: 0;
    font-size: 52px;
    line-height: 1;
    letter-spacing: -0.04em;
    color: rgba(47, 227, 240, 0.3);
  }
}

.page-home .section-title {
  margin: 0;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .section-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 速度速览条 ---------- */
.page-home .stat-strip {
  margin-top: clamp(30px, 4vw, 48px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 880px) {
  .page-home .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .stat-cell {
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.4vw, 26px);
  background: var(--panel-blue);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-home .stat-unit {
  margin-left: 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-2);
}

.page-home .stat-cap {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-home .stat-note {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ---------- 更新记录赛道带 ---------- */
.page-home .track-banner {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-home .track-strip {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  padding: 4px 4px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .track-strip::-webkit-scrollbar {
  height: 4px;
}

.page-home .track-strip::-webkit-scrollbar-track {
  background: rgba(28, 58, 97, 0.35);
}

.page-home .track-strip::-webkit-scrollbar-thumb {
  background: var(--cyan-deep);
}

.page-home .track-card {
  position: relative;
  flex: 0 0 min(318px, 82vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  background: var(--panel-blue);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-home .track-card:hover {
  border-color: rgba(47, 227, 240, 0.45);
  transform: translateY(-2px);
}

.page-home .track-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.page-home .track-card:hover::before {
  transform: translateX(100%);
}

.page-home .track-card.acc-item[data-open="true"] {
  border-color: rgba(47, 227, 240, 0.55);
}

.page-home .track-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.page-home .track-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-2);
}

.page-home .track-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .track-lede {
  margin: 10px 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .track-card .acc-trigger {
  margin-top: auto;
}

.page-home .track-card .acc-panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(28, 58, 97, 0.6);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-home .track-card .acc-panel p {
  margin: 0;
}

/* ---------- 双端对照 ---------- */
.page-home .path-switch {
  margin-top: clamp(28px, 4vw, 42px);
}

.page-home .switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--panel-blue);
}

.page-home .switch-btn {
  min-height: 44px;
  padding: 12px 24px;
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-home .switch-btn:hover {
  color: var(--text);
}

.page-home .switch-btn[aria-selected="true"] {
  background: rgba(47, 227, 240, 0.14);
  color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.page-home .pane {
  margin-top: 24px;
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line);
  background: rgba(11, 27, 51, 0.6);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .pane {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

.page-home .pane-title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-home .pane-text {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-home .pane-actions {
  margin-top: 22px;
}

.page-home .data-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-home .data-list > div {
  display: grid;
  grid-template-columns: 5.6em minmax(0, 1fr);
  gap: 8px 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(28, 58, 97, 0.6);
}

.page-home .data-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .data-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 订阅与下载窗口 ---------- */
.page-home .sub-layout {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
}

@media (min-width: 1000px) {
  .page-home .sub-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

.page-home .sub-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

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

.page-home .sub-card {
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  background: var(--panel-blue);
}

.page-home .sub-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.page-home .sub-cycle {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .sub-desc {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
}

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

.page-home .window-note {
  margin: 20px 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 106, 43, 0.07);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 服务与支持 ---------- */
.page-home .support-layout {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 960px) {
  .page-home .support-layout {
    grid-template-columns: 6fr 6fr;
  }
}

.page-home .support-col {
  padding: clamp(22px, 3vw, 34px);
  background: var(--panel-blue);
}

.page-home .support-col h3 {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

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

.page-home .contact-item {
  display: grid;
  gap: 6px;
}

.page-home .contact-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .contact-value {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}

.page-home .support-note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}

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

.page-home .guide-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-height: 44px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(28, 58, 97, 0.6);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-home .guide-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

.page-home .proof-strip {
  margin: clamp(28px, 4vw, 44px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-home .proof-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .proof-strip > div {
  padding: 20px 22px;
  background: rgba(11, 27, 51, 0.6);
}

.page-home .proof-strip dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
}

.page-home .proof-strip dd {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--cyan);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .data-dot {
    animation: none;
  }
  .page-home .track-card::before {
    transition: none;
  }
  .page-home .track-card:hover {
    transform: none;
  }
}
</main>