.page-home {
  --home-tick: 72px;
  --home-edge: clamp(20px, 5vw, 64px);
  --home-ink-soft: rgba(246, 247, 249, 0.78);
  background: var(--ink-900);
  color: var(--titanium);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(36px, 6vw, 84px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(255, 106, 43, 0.18), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--home-tick) var(--home-tick);
  pointer-events: none;
}

.page-home .home-hero__ticks {
  position: absolute;
  top: 16%;
  right: 16px;
  bottom: 18%;
  width: 10px;
  display: none;
  background-image: repeating-linear-gradient(to bottom, var(--line-strong) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-home .home-hero__coord {
  margin: 0;
  color: var(--signal-soft);
  letter-spacing: 0.16em;
}

.page-home .home-hero__title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--titanium);
}

.page-home .home-hero__titleSub {
  font-family: var(--font-editorial);
  font-weight: 400;
  font-size: clamp(21px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--signal-soft);
}

.page-home .home-hero__lede {
  max-width: 36ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .home-hero__panel {
  align-self: start;
  padding: 24px 22px 22px;
  border: 1px solid var(--line-mid);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(22, 41, 74, 0.94), rgba(11, 27, 51, 0.94));
  box-shadow: var(--shadow-card);
}

.page-home .home-hero__panelLabel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-home .home-quicksteps {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-quicksteps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .home-quicksteps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .home-quicksteps__num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-home .home-quicksteps__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--titanium);
}

.page-home .home-hero__panelNote {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .home-hero__media {
  margin: clamp(32px, 5vw, 58px) 0 0;
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  max-height: 420px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line-mid);
  border-radius: var(--r-lg);
}

/* ---------- 通用章节 ---------- */
.page-home .home-section {
  padding: clamp(46px, 7vw, 92px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-section .sec-head {
  margin-top: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-home .home-section .sec-head__num {
  color: var(--signal);
}

.page-home .home-section__figure {
  margin: 0 0 clamp(24px, 3.6vw, 40px);
}

.page-home .home-section__figure img {
  display: block;
  width: 100%;
  max-height: 320px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-home .home-section__lead {
  max-width: 62ch;
  margin: 0 0 clamp(26px, 3.4vw, 38px);
  font-size: 17px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

.page-home .home-section__more {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .home-link {
  color: var(--signal-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 通道对照 ---------- */
.page-home .home-channels {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-channel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc"
    "num state";
  gap: 8px 14px;
  padding: 22px 2px;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-channel__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-home .home-channel__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--titanium);
}

.page-home .home-channel__desc {
  grid-area: desc;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .home-channel__state {
  grid-area: state;
  justify-self: start;
}

/* ---------- 三步 ---------- */
.page-home .home-steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-step {
  padding: 24px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(140deg, rgba(22, 41, 74, 0.9), rgba(11, 27, 51, 0.72));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-step:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-home .home-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-home .home-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--titanium);
}

.page-home .home-step__text {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

/* ---------- 覆盖范围（浅色分区） ---------- */
.page-home .home-section--paper {
  background: var(--cream);
  color: var(--brown);
}

.page-home .home-section--paper .sec-head__num {
  color: var(--ink-700);
}

.page-home .home-section--paper .sec-head__title {
  color: var(--brown);
}

.page-home .home-coverage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .home-coverage__media {
  margin: 0;
}

.page-home .home-coverage__media img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid rgba(36, 28, 22, 0.16);
  border-radius: var(--r-md);
  background: var(--titanium);
}

.page-home .home-coverage__lead {
  max-width: 46ch;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(36, 28, 22, 0.78);
}

.page-home .home-figures {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(36, 28, 22, 0.16);
}

.page-home .home-figure {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 6px 20px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid rgba(36, 28, 22, 0.16);
}

.page-home .home-figure__num {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink-900);
}

.page-home .home-figure__num small {
  margin-left: 3px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  color: rgba(36, 28, 22, 0.68);
}

.page-home .home-figure__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.8);
}

/* ---------- 帮助出口目录 ---------- */
.page-home .home-exits {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-exit a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 22px;
  grid-template-areas:
    "num title arrow"
    "num desc arrow";
  gap: 4px 14px;
  padding: 20px 4px;
  border-top: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-exit__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-home .home-exit__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--titanium);
  transition: color var(--dur) var(--ease);
}

.page-home .home-exit__desc {
  grid-area: desc;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .home-exit__arrow {
  grid-area: arrow;
  align-self: center;
  font-size: 18px;
  color: var(--signal-soft);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .home-exit a:hover,
.page-home .home-exit a:focus-visible {
  background: rgba(36, 64, 110, 0.26);
  box-shadow: inset 3px 0 0 var(--signal);
}

.page-home .home-exit a:hover .home-exit__title,
.page-home .home-exit a:focus-visible .home-exit__title {
  color: var(--signal-soft);
}

.page-home .home-exit a:hover .home-exit__arrow,
.page-home .home-exit a:focus-visible .home-exit__arrow {
  color: var(--signal);
  transform: translateX(3px);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 860px) {
  .page-home .home-channel {
    grid-template-columns: 64px minmax(168px, 0.95fr) minmax(0, 1.9fr) auto;
    grid-template-areas: "num name desc state";
    gap: 18px;
    align-items: baseline;
    padding: 24px 10px;
  }

  .page-home .home-channel__state {
    align-self: center;
  }

  .page-home .home-section__figure img {
    max-height: 360px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .home-hero__copy {
    grid-column: 1 / span 7;
  }

  .page-home .home-hero__panel {
    grid-column: 9 / span 4;
  }

  .page-home .home-coverage {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-home .home-steps {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px 0;
  }

  .page-home .home-step:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-home .home-step:nth-child(2) {
    grid-column: 3 / span 7;
  }

  .page-home .home-step:nth-child(3) {
    grid-column: 5 / span 7;
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__ticks {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-step,
  .page-home .home-exit a,
  .page-home .home-exit__arrow,
  .page-home .home-link {
    transition: none;
  }

  .page-home .home-step:hover {
    transform: none;
  }

  .page-home .home-exit a:hover .home-exit__arrow,
  .page-home .home-exit a:focus-visible .home-exit__arrow {
    transform: none;
  }
}