.page-home {
  background: var(--ink);
  color: var(--on-dark);
  overflow-x: clip;
}

/* ---------- 上下文栏 ---------- */
.page-home .ctx-bar {
  border-bottom: 1px solid var(--hair-dark);
  padding-block: 12px;
  background: var(--ink);
}

.page-home .ctx-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--on-dark-mute);
}

.page-home .ctx-list a {
  color: var(--on-dark-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .ctx-list a:hover,
.page-home .ctx-list a:focus-visible {
  color: var(--on-dark);
  border-bottom-color: var(--magenta);
}

.page-home .ctx-list [aria-current="page"] {
  color: var(--on-dark);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(52px, 9vh, 104px) clamp(48px, 8vh, 96px);
  border-bottom: 1px solid var(--hair-dark);
}

.page-home .hero-canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .hero-canvas img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .58;
  max-width: none;
}

.page-home .hero-canvas::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(104deg, rgba(11,11,18,.95) 0%, rgba(11,11,18,.76) 44%, rgba(11,11,18,.38) 100%),
    radial-gradient(120% 92% at 88% 6%, rgba(255,46,147,.24), transparent 58%),
    radial-gradient(96% 84% at 2% 100%, rgba(44,123,255,.22), transparent 62%),
    var(--scan);
}

.page-home .hero-rays {
  position: absolute;
  right: -8%;
  top: -18%;
  width: min(760px, 78vw);
  height: auto;
  color: var(--green);
  opacity: .11;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-home .hero-main {
  max-width: 22ch;
}

.page-home .hero-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--on-dark-mute);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

.page-home .hero h1 {
  margin: 0 0 22px;
  font-size: clamp(36px, 6.1vw, 82px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  max-width: 15ch;
}

.page-home .hl-a {
  color: var(--magenta);
}

.page-home .hl-b {
  color: var(--green);
}

.page-home .hero-lede {
  margin: 0 0 30px;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--on-dark-mute);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .hero-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-content: start;
}

.page-home .hero-card {
  margin: 0;
  background: var(--paper-2);
  color: var(--on-light);
  border: var(--bd) solid var(--brown);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .hero-card:hover,
.page-home .hero-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-home .hero-card--screen img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: var(--bd) solid var(--brown);
}

.page-home .hero-card--screen figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13px;
}

.page-home .hero-card--screen figcaption .mono {
  font-size: 13px;
  color: var(--on-light);
}

.page-home .hero-card--data {
  padding: 18px 16px;
}

.page-home .mini-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--magenta);
}

.page-home .mini-stat {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.5;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hair-light);
}

.page-home .mini-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-right: 6px;
  color: var(--on-light);
}

.page-home .mini-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--on-light-mute);
}

/* ---------- 速度光带过渡 ---------- */
.page-home .bridge {
  position: relative;
  background: var(--ink-2);
  padding-block: 26px 30px;
  overflow: hidden;
}

.page-home .bridge-rule {
  display: block;
  height: 2px;
  width: 140%;
  margin-left: -20%;
  background: var(--spectrum);
  transform: rotate(-1.4deg);
  transform-origin: left center;
}

.page-home .bridge-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  margin-top: 22px;
}

.page-home .bridge-text {
  margin: 0;
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -.01em;
  max-width: 34ch;
  color: var(--on-dark);
}

.page-home .bridge-tail {
  flex: 1 1 60px;
  min-width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
}

/* ---------- 三类信息概览 ---------- */
.page-home .caps {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--on-light);
  padding-block: clamp(56px, 8vw, 104px);
}

.page-home .caps-bg {
  position: absolute;
  inset: auto -6% -18% auto;
  width: min(760px, 88vw);
  height: auto;
  opacity: .13;
  pointer-events: none;
  max-width: none;
}

.page-home .caps-head {
  position: relative;
  max-width: 58ch;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-home .kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
  padding-left: 12px;
  border-left: 2px solid var(--amber);
}

.page-home .kicker--on-dark {
  color: var(--green);
  border-left-color: var(--green);
}

.page-home .caps-head h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
}

.page-home .caps-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-light-mute);
}

.page-home .caps-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-home .cap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--paper-2);
  border: var(--bd) solid var(--brown);
  box-shadow: var(--shadow-1);
  border-top-width: 6px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .cap:hover,
.page-home .cap:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-home .cap--credit { border-top-color: var(--blue); }
.page-home .cap--spec { border-top-color: var(--magenta); }
.page-home .cap--capacity { border-top-color: var(--amber); }

.page-home .cap-index {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-home .cap-title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-home .cap-body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--on-light);
}

.page-home .cap-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--on-light-mute);
  border-top: 1px solid var(--hair-light);
  padding-top: 10px;
}

.page-home .cap-list li::before {
  content: "▚ ";
  color: var(--amber);
}

.page-home .cap-total {
  margin: 0;
  font-size: 14px;
  color: var(--on-light-mute);
}

.page-home .cap-total .mono {
  font-size: 28px;
  font-weight: 700;
  color: var(--magenta);
  margin-right: 4px;
}

.page-home .cap-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--on-light);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 大屏数据仪表 ---------- */
.page-home .screen-band {
  background: var(--ink);
  padding-block: clamp(52px, 7.5vw, 100px);
  border-top: 1px solid var(--hair-dark);
}

.page-home .screen-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-home .screen-main h2 {
  margin: 0 0 34px;
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.14;
}

.page-home .stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .stat {
  border-left: 2px solid var(--hair-dark);
  padding-left: 18px;
}

.page-home .stat-num {
  margin: 0;
  font-size: clamp(42px, 8vw, 74px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--green);
}

.page-home .stat-num--wide {
  font-size: clamp(24px, 4.3vw, 40px);
  color: var(--blue);
}

.page-home .stat-unit {
  margin: 8px 0 0;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--on-dark);
}

.page-home .stat-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  max-width: 30ch;
  color: var(--on-dark-mute);
  opacity: .62;
  transition: opacity var(--dur) var(--ease);
}

.page-home .stat:hover .stat-note,
.page-home .stat:focus-within .stat-note {
  opacity: 1;
}

.page-home .screen-rail {
  border-top: 2px solid var(--magenta);
  padding-top: 16px;
}

.page-home .vert-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .1em;
  color: var(--on-dark-mute);
  max-width: 42ch;
}

/* ---------- 第四代工艺锚点 ---------- */
.page-home .gen-band {
  background: var(--ink-2);
  padding-block: clamp(52px, 7.5vw, 100px);
  border-top: 1px solid var(--hair-dark);
}

.page-home .gen-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4.5vw, 46px);
}

.page-home .gen-head h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.14;
}

.page-home .gen-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-dark-mute);
}

.page-home .gen-rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 0 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--magenta) transparent;
}

.page-home .gen-rail:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 4px;
}

.page-home .gen-rail > * {
  scroll-snap-align: start;
  flex: 0 0 clamp(252px, 27vw, 322px);
}

.page-home .gen-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: var(--ink);
  border: var(--bd) solid var(--on-dark);
  box-shadow: 4px 4px 0 rgba(244,239,230,.2);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .gen-card:hover,
.page-home .gen-card:focus-within {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(244,239,230,.34);
}

.page-home .gen-card--four {
  border-color: var(--magenta);
  box-shadow: 4px 4px 0 var(--magenta);
}

.page-home .gen-card--four:hover,
.page-home .gen-card--four:focus-within {
  box-shadow: 6px 6px 0 var(--magenta);
}

.page-home .gen-figure {
  margin: 0 0 4px;
}

.page-home .gen-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 2px solid var(--hair-dark);
}

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

.page-home .gen-name {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.page-home .gen-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark-mute);
}

.page-home .gen-facts {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair-dark);
  font-size: 13px;
}

.page-home .gen-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-block: 3px;
}

.page-home .gen-facts dt {
  color: var(--on-dark-mute);
}

.page-home .gen-facts dd {
  margin: 0;
  color: var(--on-dark);
}

.page-home .gen-foot {
  margin: 12px 0 0;
}

/* ---------- 评价与价格档位 ---------- */
.page-home .proof {
  background: var(--paper);
  color: var(--on-light);
  padding-block: clamp(56px, 8vw, 104px);
  border-top: var(--bd) solid var(--brown);
}

.page-home .proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}

.page-home .proof-left h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 3.9vw, 42px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
}

.page-home .proof-body {
  margin: 0 0 28px;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--on-light-mute);
}

.page-home .proof-meter {
  position: relative;
  height: 16px;
  background: var(--paper-2);
  border: var(--bd) solid var(--brown);
  overflow: hidden;
}

.page-home .meter-fill {
  display: block;
  height: 100%;
  width: 96.4%;
  background: var(--spectrum);
}

.page-home .meter-caption {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--on-light-mute);
}

.page-home .meter-caption span {
  color: var(--on-light);
  font-weight: 700;
}

.page-home .tier-switch {
  position: relative;
  border: var(--bd) solid var(--brown);
  background: var(--paper-2);
  box-shadow: var(--shadow-1);
  padding: 20px 18px 18px;
}

.page-home .tier-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .tier-hint {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--violet);
}

.page-home .tier-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .tier-chip {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 10px;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  border: var(--bd) solid var(--brown);
  background: var(--paper);
  color: var(--on-light);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .tier-chip .mono {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--violet);
}

.page-home .tier-chip:hover {
  transform: translateY(-2px);
}

.page-home #tier-1:focus-visible ~ .tier-chips .tier-chip--1,
.page-home #tier-2:focus-visible ~ .tier-chips .tier-chip--2,
.page-home #tier-3:focus-visible ~ .tier-chips .tier-chip--3,
.page-home #tier-4:focus-visible ~ .tier-chips .tier-chip--4 {
  outline: 2px solid var(--magenta);
  outline-offset: 2px;
}

.page-home #tier-1:checked ~ .tier-chips .tier-chip--1 {
  background: var(--blue);
  color: var(--paper-2);
}

.page-home #tier-2:checked ~ .tier-chips .tier-chip--2 {
  background: var(--amber);
  color: var(--brown);
}

.page-home #tier-3:checked ~ .tier-chips .tier-chip--3 {
  background: var(--magenta);
  color: var(--paper-2);
}

.page-home #tier-4:checked ~ .tier-chips .tier-chip--4 {
  background: var(--violet);
  color: var(--paper-2);
}

.page-home #tier-1:checked ~ .tier-chips .tier-chip--1 .mono,
.page-home #tier-2:checked ~ .tier-chips .tier-chip--2 .mono,
.page-home #tier-3:checked ~ .tier-chips .tier-chip--3 .mono,
.page-home #tier-4:checked ~ .tier-chips .tier-chip--4 .mono {
  color: inherit;
  opacity: .78;
}

.page-home .tier-panels {
  margin-top: 16px;
  border-top: 1px solid var(--hair-light);
  padding-top: 14px;
}

.page-home .tier-panel {
  display: none;
}

.page-home #tier-1:checked ~ .tier-panels .tier-panel--1,
.page-home #tier-2:checked ~ .tier-panels .tier-panel--1,
.page-home #tier-3:checked ~ .tier-panels .tier-panel--1,
.page-home #tier-4:checked ~ .tier-panels .tier-panel--1 {
  display: none;
}

.page-home #tier-1:checked ~ .tier-panels .tier-panel--1 { display: block; }
.page-home #tier-2:checked ~ .tier-panels .tier-panel--2 { display: block; }
.page-home #tier-3:checked ~ .tier-panels .tier-panel--3 { display: block; }
.page-home #tier-4:checked ~ .tier-panels .tier-panel--4 { display: block; }

.page-home .tier-panel-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-home .tier-panel-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-light);
}

.page-home .tier-foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair-light);
  font-size: 12px;
  line-height: 1.7;
  color: var(--on-light-mute);
}

/* ---------- 更新与联系条 ---------- */
.page-home .strip {
  background: var(--ink);
  padding-block: clamp(48px, 7vw, 88px);
  border-top: 2px solid transparent;
  border-image: var(--spectrum) 1;
}

.page-home .strip-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-home .strip-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.16;
}

.page-home .strip-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-dark-mute);
  max-width: 42ch;
}

.page-home .strip-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .strip-list li {
  display: grid;
  gap: 8px;
  padding: 16px 16px 16px 18px;
  border-left: 2px solid var(--hair-dark);
  background: rgba(244,239,230,.03);
}

.page-home .strip-text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--on-dark);
}

.page-home .strip-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.page-home .strip-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .strip-link:hover,
.page-home .strip-link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--magenta);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .hero-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .82fr);
    gap: 44px;
    align-items: end;
  }

  .page-home .hero-side {
    grid-template-columns: minmax(0, 1fr);
    align-content: end;
  }

  .page-home .caps-grid {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 24px;
  }

  .page-home .screen-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 208px);
    gap: 48px;
  }

  .page-home .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-home .proof-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 52px;
  }

  .page-home .strip-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, .68fr);
    gap: 40px;
  }

  .page-home .strip-ctas {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .page-home .screen-rail {
    position: sticky;
    top: 96px;
  }

  .page-home .vert-note {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    max-height: 260px;
    max-width: none;
    padding-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-card,
  .page-home .cap,
  .page-home .gen-card,
  .page-home .tier-chip {
    transition: none;
  }

  .page-home .hero-card:hover,
  .page-home .hero-card:focus-within,
  .page-home .cap:hover,
  .page-home .cap:focus-within,
  .page-home .gen-card:hover,
  .page-home .gen-card:focus-within,
  .page-home .tier-chip:hover {
    transform: none;
  }
}