.page-home {
  --tint: #0A1826;
  --panel-deep: linear-gradient(165deg, rgba(18, 41, 63, .94), rgba(11, 27, 43, .97));
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(104px, 15vw, 152px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(47, 227, 214, .18), transparent 58%),
    radial-gradient(90% 80% at 0% 110%, rgba(255, 90, 31, .22), transparent 62%),
    var(--navy);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto 0 0 0;
  height: clamp(80px, 16vw, 160px);
  background: linear-gradient(90deg, rgba(255, 90, 31, .24), rgba(47, 227, 214, .12) 55%, transparent);
  clip-path: polygon(0 66%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.85) contrast(1.06);
  -webkit-mask-image: linear-gradient(105deg, transparent 6%, rgba(0, 0, 0, .55) 44%, #000 92%);
  mask-image: linear-gradient(105deg, transparent 6%, rgba(0, 0, 0, .55) 44%, #000 92%);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .hero-eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(47, 227, 214, .08);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px var(--edge-strong);
}

.page-home .hero-copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 6.2vw, 66px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-home .hero-copy .lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--ink-70);
}

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

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 32px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--edge);
}

.page-home .hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .hero-meta dt {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-55);
}

.page-home .hero-meta dd {
  margin: 0;
  font-size: 16px;
  color: var(--gold);
}

/* ============ 六大入口 ============ */
.page-home .gate-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: clamp(12px, 2vw, 18px);
  background: linear-gradient(160deg, rgba(18, 41, 63, .88), rgba(11, 27, 43, .94));
  clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px var(--edge);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-home .gate {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: 12px;
  text-decoration: none;
  color: var(--ink);
  background: rgba(42, 48, 56, .34);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px rgba(232, 237, 242, .08);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .gate:hover {
  background: rgba(255, 90, 31, .16);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 31, .6);
  transform: translateY(-2px);
}

.page-home .gate:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-home .gate-num {
  font-size: 12px;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-home .gate:hover .gate-num {
  color: var(--orange);
}

.page-home .gate-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-home .gate-text strong {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .gate-text small {
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink-55);
}

/* ============ 通用区块 ============ */
.page-home .block {
  position: relative;
  padding: clamp(48px, 7.5vw, 88px) 0;
  background: var(--navy);
}

.page-home .block--tint {
  background: var(--tint);
}

.page-home .block-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-home .block-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-home .block-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .block-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-70);
}

/* ============ 版本时间轴 ============ */
.page-home .timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(78%, 1fr);
  gap: 0;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .t-node {
  position: relative;
  padding: 32px 22px 8px 0;
  border-top: 1px solid var(--edge);
  scroll-snap-align: start;
}

.page-home .t-node::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 13px;
  height: 13px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--navy);
  box-shadow: inset 0 0 0 1px var(--cyan);
  transition: box-shadow var(--dur) var(--ease);
}

.page-home .t-node:focus-within::before {
  box-shadow: inset 0 0 0 2px var(--cyan), 0 0 0 5px rgba(47, 227, 214, .16);
}

.page-home .t-node.is-current::before {
  background: var(--orange);
  box-shadow: 0 0 14px rgba(255, 90, 31, .75);
}

.page-home .t-version {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
}

.page-home .t-date {
  margin: 2px 0 12px;
  font-size: 12px;
  color: var(--ink-55);
}

.page-home .t-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .t-node p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--ink-70);
}

/* ============ 三条主线卡片 ============ */
.page-home .track-cards {
  display: grid;
  gap: 16px;
}

.page-home .track-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--panel-deep);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .track-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--edge-strong), 0 26px 50px -32px rgba(0, 0, 0, .95);
}

.page-home .track-card .media-frame {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bridge);
}

.page-home .track-card img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .track-card .card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 22px;
}

.page-home .track-card .card-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--mist);
}

.page-home .track-card .card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-70);
}

.page-home .track-card .card-meta {
  margin: 0;
  font-size: 12px;
  color: var(--cyan);
}

.page-home .track-latest {
  margin: 0;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
  background: rgba(47, 227, 214, .08);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 214, .2);
}

.page-home .track-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .track-link::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

.page-home .track-link:hover {
  color: var(--gold);
}

.page-home .track-link:hover::after {
  transform: translateX(4px);
}

.page-home .track-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ============ 回看集锦 ============ */
.page-home #replay {
  scroll-margin-top: 110px;
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.page-home .filter-chip {
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-70);
  background: rgba(42, 48, 56, .42);
  border: 0;
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px var(--edge);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .filter-chip:hover {
  color: var(--mist);
  background: rgba(47, 227, 214, .16);
}

.page-home .filter-chip[aria-pressed="true"] {
  color: var(--navy);
  background: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-home .filter-chip:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--orange);
}

.page-home .filter-count {
  margin: 0 0 0 auto;
  font-size: 12px;
  color: var(--ink-55);
}

.page-home .replay-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .replay-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(18, 41, 63, .74);
  clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px var(--edge);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .replay-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--edge-strong), 0 24px 44px -32px rgba(0, 0, 0, .95);
}

.page-home .replay-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(255, 90, 31, .5), transparent 60%),
    linear-gradient(150deg, var(--bridge), var(--navy) 70%);
}

.page-home .replay-thumb[data-tone="cyan"] {
  background:
    radial-gradient(80% 120% at 80% 0%, rgba(47, 227, 214, .45), transparent 60%),
    linear-gradient(150deg, var(--bridge), var(--navy) 70%);
}

.page-home .replay-thumb[data-tone="gold"] {
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(242, 178, 76, .44), transparent 62%),
    linear-gradient(150deg, var(--bridge), var(--navy) 70%);
}

.page-home .replay-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(244, 247, 250, .07) 0 1px, transparent 1px 15px);
  pointer-events: none;
}

.page-home .replay-time {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 1;
  padding: 4px 9px;
  font-size: 12px;
  color: var(--gold);
  background: rgba(11, 27, 43, .88);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px rgba(242, 178, 76, .38);
}

.page-home .replay-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
}

.page-home .replay-body h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--mist);
}

.page-home .replay-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ink-70);
}

/* ============ 阅读路径 ============ */
.page-home .steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .step {
  padding: 22px 20px 24px;
  background: var(--panel-deep);
  clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px var(--edge);
  transition: box-shadow var(--dur) var(--ease);
}

.page-home .step:hover {
  box-shadow: inset 0 0 0 1px var(--edge-strong);
}

.page-home .step-num {
  display: block;
  margin-bottom: 14px;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(47, 227, 214, .65);
}

.page-home .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink-70);
}

.page-home .path-cta {
  margin: 26px 0 0;
}

/* ============ 服务范围 ============ */
.page-home .capabilities {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .capabilities li {
  padding: 18px 18px 20px;
  background: rgba(42, 48, 56, .28);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px rgba(232, 237, 242, .09);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .capabilities li:hover {
  background: rgba(47, 227, 214, .08);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 214, .36);
}

.page-home .cap-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  color: var(--cyan);
  background: rgba(47, 227, 214, .1);
  clip-path: var(--cut-sm);
}

.page-home .cap-icon svg {
  width: 20px;
  height: 20px;
}

.page-home .capabilities h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .capabilities p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-70);
}

.page-home .scope-cta {
  margin: 26px 0 0;
}

/* ============ 咨询面板 ============ */
.page-home .contact-panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3.6vw, 38px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 90, 31, .2), transparent 60%),
    linear-gradient(160deg, var(--bridge), var(--navy));
  clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 31, .3);
}

.page-home .contact-copy h2 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--mist);
}

.page-home .contact-copy > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-70);
}

.page-home .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-home .contact-line .mono {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .contact-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: rgba(11, 27, 43, .62);
  clip-path: var(--cut-sm);
  box-shadow: inset 0 0 0 1px var(--edge);
}

.page-home .contact-side-title {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-home .contact-jump {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  background: rgba(42, 48, 56, .42);
  clip-path: var(--cut-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .contact-jump:hover {
  background: rgba(255, 90, 31, .22);
  color: var(--mist);
}

.page-home .contact-jump:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ============ 响应式 ============ */
@media (max-width: 400px) {
  .page-home .gate-panel {
    grid-template-columns: 1fr;
  }

  .page-home .filter-count {
    margin-left: 0;
  }
}

@media (min-width: 620px) {
  .page-home .replay-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-home .timeline {
    grid-auto-columns: minmax(0, 1fr);
    overflow-x: visible;
  }

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

@media (min-width: 900px) {
  .page-home .track-cards {
    grid-template-columns: 1.2fr .95fr 1fr;
    align-items: stretch;
  }
}

@media (min-width: 920px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-home .contact-panel {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .replay-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .gate,
  .page-home .track-card,
  .page-home .replay-card,
  .page-home .track-link::after {
    transition: none;
  }

  .page-home .gate:hover,
  .page-home .track-card:hover,
  .page-home .replay-card:hover {
    transform: none;
  }
}