.page-home {
  --home-cut: 26px;
  --home-grid-line: rgba(233, 236, 239, 0.05);
  --home-deep: #070A0C;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  padding-top: var(--space-3);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-block: var(--space-4) var(--space-6);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: -15% -25%;
  background-image:
    linear-gradient(to right, var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(62% 62% at 42% 40%, #000 0%, transparent 78%);
  mask-image: radial-gradient(62% 62% at 42% 40%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.page-home .home-hero__narrative {
  min-width: 0;
}

.page-home .home-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: var(--space-3) 0 var(--space-3);
  text-wrap: balance;
}

.page-home .home-hero__lede {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--paper);
  max-width: 46ch;
  margin: 0 0 var(--space-4);
  opacity: 0.86;
}

.page-home .callsign {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--gold-hi);
  background: rgba(212, 166, 83, 0.07);
  max-width: 100%;
}

.page-home .callsign__label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold-hi);
  text-transform: none;
  white-space: nowrap;
}

.page-home .callsign__value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-word;
  min-width: 0;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-home .home-hero__text-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--gold-hi);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
  transition: color var(--t-fast) var(--ease), text-decoration-color var(--t-fast) var(--ease);
}

.page-home .home-hero__text-link:hover,
.page-home .home-hero__text-link:focus-visible {
  color: var(--paper);
  text-decoration-color: var(--gold-hi);
}

/* ---------- 首屏视觉 ---------- */
.page-home .hero-visual {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, var(--home-cut) 100%, 0 calc(100% - var(--home-cut)));
}

.page-home .hero-visual__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.5;
  filter: grayscale(0.45) contrast(1.08);
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(80% 60% at 70% 20%, rgba(212, 166, 83, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(11, 13, 16, 0.35) 0%, rgba(11, 13, 16, 0.92) 72%);
  pointer-events: none;
}

.page-home .hero-visual__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.page-home .signal-wave {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.5;
  opacity: 0.7;
}

.page-home .signal-waves circle:nth-child(3) {
  opacity: 0.38;
}

.page-home .device-outline {
  fill: none;
  stroke: var(--paper);
  stroke-opacity: 0.5;
  stroke-width: 1.5;
}

.page-home .device-outline--new {
  stroke: var(--gold-hi);
  stroke-opacity: 0.75;
}

.page-home .pulse-path {
  fill: none;
  stroke: var(--gold-hi);
  stroke-width: 1.5;
  stroke-dasharray: 7 9;
}

.page-home .arrow-head {
  fill: none;
  stroke: var(--gold-hi);
  stroke-width: 1.5;
}

.page-home .hero-visual.is-visible .signal-wave {
  animation: home-wave 900ms var(--ease) both;
}

.page-home .hero-visual.is-visible .signal-waves circle:nth-child(2) {
  animation-delay: 90ms;
}

.page-home .hero-visual.is-visible .signal-waves circle:nth-child(3) {
  animation-delay: 180ms;
}

.page-home .hero-visual.is-visible .pulse-path {
  animation: home-dash 1600ms var(--ease) both;
}

@keyframes home-wave {
  from { opacity: 0; }
  to { opacity: 0.7; }
}

@keyframes home-dash {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -168; }
}

.page-home .hero-status {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: rgba(7, 10, 12, 0.78);
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.page-home .hero-status__title {
  margin: 0 0 var(--space-2);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--gold-hi);
}

.page-home .hero-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-home .hero-status__row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--paper);
  opacity: 0.9;
}

.page-home .dot {
  width: 7px;
  height: 7px;
  flex: none;
  transform: rotate(45deg);
}

.page-home .dot--ok { background: var(--ok); }
.page-home .dot--gold { background: var(--gold-hi); }
.page-home .dot--fog { background: var(--fog); }

/* ---------- 通用章节头 ---------- */
.page-home .home-head {
  max-width: 62ch;
  margin-bottom: var(--space-5);
}

.page-home .home-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: var(--space-2) 0 0;
  text-wrap: balance;
}

.page-home .home-head__lede {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--fog);
  margin: var(--space-2) 0 0;
}

.page-home .link-arrow {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .link-arrow::after {
  content: " →";
  font-family: var(--font-mono);
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--paper);
  border-color: var(--gold-hi);
}

/* ---------- 三步引导 ---------- */
.page-home .steps-layout {
  align-items: start;
  gap: var(--space-5);
}

.page-home .steps-list {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.page-home .step {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-home .step[open] {
  border-color: var(--line);
  background: var(--panel-2);
}

.page-home .step summary {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
}

.page-home .step summary::-webkit-details-marker {
  display: none;
}

.page-home .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--gold);
}

.page-home .step[open] summary::after {
  content: "–";
  color: var(--gold-hi);
}

.page-home .step__num {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-home .step__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-home .step__body {
  padding: 0 var(--space-3) var(--space-3);
  border-top: 1px dashed var(--line-faint);
  margin-top: -2px;
  padding-top: var(--space-2);
}

.page-home .step__body p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
  margin: 0;
  max-width: 60ch;
}

.page-home .steps-media {
  min-width: 0;
}

/* ---------- 资料区 ---------- */
.page-home .home-segmented {
  border-top: 1px solid var(--line-soft);
}

.page-home .segmented__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .segmented__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--fog);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .segmented__tab:hover {
  color: var(--paper);
}

.page-home .segmented__tab[aria-selected="true"] {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-home .segmented__tab:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: -4px;
}

.page-home .segmented__panel {
  padding-top: var(--space-4);
}

.page-home .segmented__panel + .segmented__panel {
  border-top: 1px solid var(--line-faint);
  margin-top: var(--space-4);
}

.page-home .segmented__panel-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.4vw, 1.625rem);
  line-height: 1.3;
  margin: 0 0 var(--space-2);
  color: var(--paper);
}

.page-home .segmented__panel .prose p {
  color: var(--fog);
  font-size: 0.9375rem;
}

.page-home .segmented__panel--anchor {
  background: var(--panel-2);
  padding: var(--space-4) var(--space-3);
  border-left: 2px solid var(--gold);
}

.page-home .anchor-grid {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

.page-home .anchor-figure {
  min-width: 0;
}

.page-home .mini-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-home .mini-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--paper);
  opacity: 0.88;
}

.page-home .mini-list .mono {
  color: var(--gold-hi);
}

/* ---------- 公告速览 ---------- */
.page-home .home-news {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(233, 236, 239, 0.14);
}

.page-home .home-news__item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(233, 236, 239, 0.14);
}

.page-home .home-news__item.is-key {
  padding-inline: var(--space-2);
  background: rgba(212, 166, 83, 0.08);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-home .home-news__meta {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold-hi);
  margin: 0;
}

.page-home .home-news__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.4;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-home .home-news__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(233, 236, 239, 0.82);
  max-width: 66ch;
}

.page-home .home-news__text strong {
  color: var(--gold-hi);
  font-weight: 500;
}

/* ---------- 对照与排查 ---------- */
.page-home .compare-layout {
  gap: var(--space-5);
  align-items: start;
}

.page-home .compare-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.page-home .compare-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: grayscale(0.3);
}

.page-home .compare-card__body {
  position: relative;
  padding: var(--space-4) var(--space-3);
}

.page-home .compare-card__body h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.4vw, 1.625rem);
  line-height: 1.3;
  margin: var(--space-2) 0;
  color: var(--paper);
}

.page-home .compare-card__body p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(233, 236, 239, 0.82);
  margin: 0 0 var(--space-2);
  max-width: 56ch;
}

.page-home .faq-block {
  min-width: 0;
}

.page-home .faq-block__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.4vw, 1.625rem);
  margin: 0 0 var(--space-2);
  color: var(--paper);
}

.page-home .faq {
  border-bottom: 1px solid var(--line-faint);
}

.page-home .faq summary {
  padding: var(--space-2) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-home .faq summary::-webkit-details-marker {
  display: none;
}

.page-home .faq summary::before {
  content: "·";
  color: var(--signal);
  font-family: var(--font-mono);
}

.page-home .faq p {
  margin: 0 0 var(--space-3);
  padding-left: var(--space-3);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--fog);
  max-width: 58ch;
}

/* ---------- 信任收口 ---------- */
.page-home .trust-layout {
  gap: var(--space-5);
  align-items: start;
}

.page-home .trust-layout .prose p {
  color: var(--fog);
}

.page-home .trust-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .trust-stats li {
  display: grid;
  gap: 4px;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .trust-stats__num {
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

.page-home .trust-stats__label {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--fog);
}

.page-home .home-trust__close {
  margin: var(--space-5) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.8;
}

/* ---------- 布局与响应 ---------- */
@media (min-width: 860px) {
  .page-home .home-hero {
    padding-block: var(--space-5) var(--space-7);
  }

  .page-home .home-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
  }

  .page-home .hero-visual {
    min-height: 520px;
    transform: translateY(var(--space-3));
  }

  .page-home .steps-layout {
    grid-template-columns: 6fr 5fr;
  }

  .page-home .steps-media {
    margin-top: calc(var(--space-5) * -1);
  }

  .page-home .anchor-grid {
    grid-template-columns: 6fr 4fr;
    gap: var(--space-5);
  }

  .page-home .segmented__panel--anchor {
    padding: var(--space-5) var(--space-4);
  }

  .page-home .home-news__item {
    grid-template-columns: 13rem 1fr;
    gap: var(--space-3);
    align-items: baseline;
    padding-block: var(--space-4);
  }

  .page-home .compare-layout,
  .page-home .trust-layout {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
  }

  .page-home .compare-card {
    transform: translateY(calc(var(--space-3) * -1));
  }

  .page-home .trust-stats li {
    padding-bottom: var(--space-3);
  }
}

@media (min-width: 1100px) {
  .page-home .home-segmented {
    display: grid;
    grid-template-columns: 14rem 1fr;
    gap: 0 var(--space-5);
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-home .segmented__list {
    flex-direction: column;
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-home .segmented__tab {
    text-align: left;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding: var(--space-3) var(--space-3);
  }

  .page-home .segmented__tab[aria-selected="true"] {
    border-left-color: var(--gold);
    background: rgba(212, 166, 83, 0.06);
  }

  .page-home .segmented__panel {
    grid-column: 2;
    padding-top: 0;
  }

  .page-home .segmented__panel + .segmented__panel {
    margin-top: var(--space-5);
    border-top: 1px solid var(--line-faint);
    padding-top: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-visual.is-visible .signal-wave,
  .page-home .hero-visual.is-visible .pulse-path {
    animation: none;
  }

  .page-home .step,
  .page-home .segmented__tab,
  .page-home .link-arrow {
    transition: none;
  }
}
</main>