.page-home {
  background:
    radial-gradient(110% 80% at 84% 0%, rgba(56, 224, 208, .09), transparent 60%),
    radial-gradient(90% 70% at 4% 44%, rgba(61, 91, 140, .17), transparent 62%),
    var(--space-900);
  color: var(--paper-050);
  overflow-x: hidden;
}

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

.page-home .media-frame {
  margin: 0;
}

.page-home .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .section {
  position: relative;
  padding-block: clamp(44px, 6.5vw, 88px);
}

.page-home .section--tight {
  padding-block: clamp(40px, 5.5vw, 72px);
}

.page-home .sec-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 68ch;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-home .sec-head .section-title,
.page-home .sec-head .lead {
  margin: 0;
}

.page-home .scan-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-cyan) 22%, var(--signal-cyan) 50%, var(--line-cyan) 78%, transparent);
  opacity: .5;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: clamp(24px, 4.5vw, 56px) clamp(36px, 6vw, 78px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: clamp(8px, 2vw, 20px) 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  pointer-events: none;
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

@media (min-width: 980px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: clamp(36px, 5vw, 76px);
  }
}

.page-home .hero__call {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.8vw, 20px);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.14;
  letter-spacing: .025em;
}

.page-home .hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--steel-300);
}

.page-home .readout {
  margin: 4px 0 0;
  padding-left: clamp(14px, 2vw, 20px);
  border-left: 2px solid var(--line-cyan);
  display: grid;
}

.page-home .readout__row {
  display: grid;
  grid-template-columns: minmax(70px, 92px) minmax(0, 1fr);
  gap: 2px 16px;
  align-items: start;
  padding: 12px 0;
}

.page-home .readout__row + .readout__row {
  border-top: 1px solid var(--line-soft);
}

.page-home .readout__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--steel-300);
}

.page-home .readout__body {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-home .readout__val {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .06em;
  color: var(--paper-050);
}

.page-home .readout__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel-300);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2px;
}

.page-home .hero__visual {
  display: flex;
  flex-direction: column;
  position: relative;
}

.page-home .hero__frame {
  border-radius: var(--radius-l);
  overflow: hidden;
}

.page-home .pulse-svg {
  display: block;
  width: 100%;
  height: clamp(58px, 7.5vw, 96px);
  margin-top: -18px;
  position: relative;
  z-index: 2;
  pointer-events: none;
}

.page-home .pulse-svg__line {
  fill: none;
  stroke: url(#pulseGradHome);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-home .pulse-svg__peak {
  fill: var(--pulse-orange);
  filter: drop-shadow(0 0 10px rgba(255, 138, 61, .85));
  animation: home-peak 5s var(--ease) infinite;
}

@keyframes home-peak {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .pulse-svg__peak {
    animation: none;
    opacity: 1;
  }
}

/* ---------- 章节索引条 ---------- */
.page-home .tracker {
  padding-bottom: clamp(6px, 1.2vw, 14px);
}

.page-home .tracker__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-home .tracker__list::-webkit-scrollbar {
  display: none;
}

.page-home .tracker__link {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--steel-300);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .tracker__link:hover,
.page-home .tracker__link:focus-visible,
.page-home .tracker__link.is-active {
  color: var(--signal-cyan);
  border-color: var(--line-cyan);
  background: rgba(56, 224, 208, .07);
}

/* ---------- 双入口 ---------- */
.page-home .entries {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

@media (min-width: 900px) {
  .page-home .entries {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

.page-home .entries__visual {
  border-radius: var(--radius-l);
  overflow: hidden;
}

.page-home .entries__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .entry-pill {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(90deg, rgba(18, 32, 60, .88), rgba(12, 20, 40, .5));
  text-decoration: none;
  color: inherit;
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-home .entry-pill:hover,
.page-home .entry-pill:focus-visible {
  border-color: var(--line-cyan);
  transform: translateX(4px);
}

.page-home .entry-pill--rev {
  background: linear-gradient(90deg, rgba(12, 20, 40, .7), rgba(18, 32, 60, .88));
}

.page-home .entry-pill__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel-300);
}

.page-home .entry-pill__name {
  font-family: var(--font-title);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-home .entry-pill__hint {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--steel-300);
  opacity: .62;
  transition: opacity .22s var(--ease), color .22s var(--ease);
}

.page-home .entry-pill:hover .entry-pill__hint,
.page-home .entry-pill:focus-visible .entry-pill__hint {
  opacity: 1;
  color: var(--signal-cyan);
}

.page-home .entry-paths {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .entry-paths li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel-300);
}

/* ---------- 版本变更 ---------- */
.page-home .changes {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

@media (min-width: 900px) {
  .page-home .changes {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

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

.page-home .changes__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .changes__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .changes__no {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--signal-cyan);
}

.page-home .changes__text {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--paper-050);
}

.page-home .changes__text small {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel-300);
}

.page-home .changes__visual {
  border-radius: var(--radius-l);
  overflow: hidden;
}

/* ---------- 设备读数 ---------- */
.page-home .coverage__visual {
  border-radius: var(--radius-l);
  overflow: hidden;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-home .device-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

@media (min-width: 800px) {
  .page-home .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .device-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, rgba(18, 32, 60, .9), rgba(7, 12, 24, .72));
}

.page-home .device-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--signal-cyan), transparent 78%);
  opacity: .75;
}

.page-home .device-card--desktop::after {
  background: linear-gradient(180deg, var(--pulse-orange), transparent 78%);
}

.page-home .device-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--steel-300);
}

.page-home .device-card__name {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(18px, 2.3vw, 23px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-home .device-card__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-300);
}

.page-home .device-card__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .device-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-050);
}

.page-home .device-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--signal-cyan);
}

/* ---------- 频道刻度尺 ---------- */
.page-home .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .page-home .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .channels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-home .channels {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

.page-home .channels__link {
  position: relative;
  display: block;
  padding: 26px 18px 22px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background-color .22s var(--ease);
}

.page-home .channels__link:hover,
.page-home .channels__link:focus-visible {
  background: rgba(56, 224, 208, .05);
}

.page-home .channels__tick {
  position: absolute;
  top: -3.5px;
  left: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--steel-500);
  transition: background-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .channels__link:hover .channels__tick,
.page-home .channels__link:focus-visible .channels__tick {
  background: var(--signal-cyan);
  box-shadow: 0 0 0 4px rgba(56, 224, 208, .16);
}

.page-home .channels__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--steel-300);
}

.page-home .channels__name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-home .channels__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel-300);
}

/* ---------- 更新节奏 ---------- */
.page-home .cadence {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

@media (min-width: 900px) {
  .page-home .cadence {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-home .cadence__main .section-title,
.page-home .cadence__main .lead {
  margin: 8px 0 0;
}

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

.page-home .cadence__list li {
  display: grid;
  grid-template-columns: minmax(58px, auto) minmax(0, 1fr);
  gap: 6px 18px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel-300);
}

.page-home .cadence__list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cadence__base {
  margin-top: clamp(22px, 3vw, 36px);
}

.page-home .cadence__trust {
  margin: 0;
  padding: 16px 20px;
  border-left: 2px solid var(--line-warm);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(255, 138, 61, .05);
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-home .cadence__trust a {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-home .cadence__trust a:hover,
.page-home .cadence__trust a:focus-visible {
  color: var(--paper-050);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 560px) {
  .page-home .readout__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-home .entry-pill {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 15px 18px;
  }

  .page-home .entry-pill__hint {
    grid-column: 1;
  }

  .page-home .cadence__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}
<<<END>>>