.page-home {
  --home-section-pad: clamp(2.6rem, 6vw, 4.6rem);
  --home-card-bg: linear-gradient(160deg, rgba(8, 58, 63, 0.55), rgba(6, 26, 38, 0.88));
  background: linear-gradient(180deg, #04121a 0%, var(--ink) 34%, #04121a 100%);
  color: var(--mist);
  overflow-x: clip;
}

/* ============ 首屏拼贴 ============ */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.2rem, 6vw, 4.2rem) clamp(1.6rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(25, 195, 208, 0.2), transparent 58%),
    radial-gradient(85% 75% at 6% 94%, rgba(75, 63, 143, 0.3), transparent 64%),
    linear-gradient(180deg, var(--ink), #04121a 58%, var(--abyss));
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(80%, 980px);
  opacity: 0.34;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(100deg, transparent 4%, #000 42%);
  mask-image: linear-gradient(100deg, transparent 4%, #000 42%);
}

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

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .hero-claim {
  position: relative;
  padding: clamp(1.4rem, 3.4vw, 2.7rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(8, 58, 63, 0.9), rgba(6, 26, 38, 0.92) 62%, rgba(2, 11, 16, 0.95));
  box-shadow: 0 44px 84px -62px #000;
}

.page-home .hero-claim::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(1.4rem, 3vw, 2.5rem);
  bottom: clamp(1.4rem, 3vw, 2.5rem);
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--aqua), var(--coral));
}

.page-home .home-hero .eyebrow {
  margin: 0;
  color: var(--aqua-soft);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-home .hero-claim h1 {
  margin: 0.75rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.72rem, 4.6vw, 3.1rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0.045em;
  color: var(--mist);
}

.page-home .hero-lede {
  margin: 1rem 0 0;
  max-width: 47ch;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.78;
  color: var(--slate);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-home .hero-search {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: linear-gradient(100deg, rgba(8, 58, 63, 0.97), rgba(6, 26, 38, 0.97));
  box-shadow: 0 28px 54px -36px #000;
}

.page-home .hero-search__label {
  color: var(--aqua);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  padding: 0.28rem 0.6rem;
  border: 1px solid rgba(25, 195, 208, 0.45);
  border-radius: 999px;
}

.page-home .hero-search__hint {
  flex: 1 1 200px;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .hero-search__go {
  margin-left: auto;
  color: var(--coral);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .hero-search__go:hover,
.page-home .hero-search__go:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--coral);
}

.page-home .hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--teal);
  box-shadow: 0 40px 70px -52px #000;
}

.page-home .hero-panel img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .hero-panel__tags {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-home .hero-panel__tags .tag {
  background: rgba(2, 11, 16, 0.78);
  border-color: rgba(25, 195, 208, 0.4);
  color: var(--aqua-soft);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.page-home .home-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.4rem, 3vw, 2.1rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-faint);
}

.page-home .home-jump a {
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .home-jump a:hover,
.page-home .home-jump a:focus-visible {
  color: var(--mist);
  border-color: var(--line-strong);
  background: rgba(25, 195, 208, 0.12);
}

/* ============ 区块标题 ============ */
.page-home .section {
  padding-block: var(--home-section-pad);
}

.page-home .home-section__head {
  display: grid;
  gap: 0.55rem;
  max-width: 62ch;
  margin-bottom: clamp(1.4rem, 3vw, 2.1rem);
}

.page-home .home-section__head .eyebrow {
  margin: 0;
  color: var(--aqua);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
}

.page-home .home-section__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.42rem, 3.2vw, 2.05rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: 0.045em;
  color: var(--mist);
}

.page-home .home-section__lede {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ============ 双端入口 ============ */
.page-home .home-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-home .duo-card {
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--home-card-bg);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-home .duo-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-home .duo-card__kicker {
  margin: 0;
  color: var(--coral);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.page-home .duo-card h3 {
  margin: 0.55rem 0 0.8rem;
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .duo-card p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-home .duo-card p:last-of-type {
  margin-bottom: 1rem;
}

.page-home .duo-card__link {
  display: inline-block;
  color: var(--aqua);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 195, 208, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .duo-card__link:hover,
.page-home .duo-card__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--coral);
}

.page-home .duo-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  background: var(--teal);
}

.page-home .duo-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  opacity: 0.86;
}

/* ============ 问题自查 ============ */
.page-home .home-section--self {
  background:
    linear-gradient(180deg, transparent, rgba(75, 63, 143, 0.14) 45%, transparent),
    var(--ink);
}

.page-home .home-check {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .check-card {
  position: relative;
  padding: clamp(1.25rem, 2.8vw, 1.85rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 26, 38, 0.72);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-home .check-card::after {
  content: "";
  position: absolute;
  left: clamp(1.25rem, 2.8vw, 1.85rem);
  right: clamp(1.25rem, 2.8vw, 1.85rem);
  top: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: linear-gradient(90deg, var(--aqua), transparent 78%);
}

.page-home .check-card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--indigo), transparent 78%);
}

.page-home .check-card:nth-child(3)::after {
  background: linear-gradient(90deg, var(--coral), transparent 78%);
}

.page-home .check-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-home .check-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--coral);
}

.page-home .check-card h3 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-head);
  font-size: clamp(1.04rem, 2vw, 1.18rem);
  line-height: 1.42;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .check-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-home .home-check__foot {
  margin: 1.4rem 0 0;
}

.page-home .home-check__foot a,
.page-home .home-feed__more a {
  display: inline-block;
  padding-bottom: 0.2rem;
  color: var(--aqua);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 195, 208, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .home-check__foot a:hover,
.page-home .home-feed__more a:hover,
.page-home .home-check__foot a:focus-visible,
.page-home .home-feed__more a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--coral);
}

/* ============ 内容筛选区 ============ */
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.3rem;
}

.page-home .filter-btn {
  padding: 0.42rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .filter-btn:hover {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-home .filter-btn[aria-pressed="true"],
.page-home .filter-btn[data-active-filter="true"] {
  color: var(--abyss);
  background: var(--coral);
  border-color: var(--coral);
  font-weight: 700;
}

.page-home .home-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .feed-card {
  padding: clamp(1.1rem, 2.4vw, 1.55rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 26, 38, 0.7);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-home .feed-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-home .feed-card h3 {
  margin: 0.65rem 0 0.6rem;
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 2vw, 1.16rem);
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .feed-card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--slate);
}

.page-home .feed-card .tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(141, 236, 231, 0.3);
  border-radius: 999px;
  color: var(--aqua-soft);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-home .feed-card--wide {
  padding: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  background: linear-gradient(160deg, rgba(123, 46, 69, 0.42), rgba(6, 26, 38, 0.9) 64%);
}

.page-home .feed-card--wide img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  opacity: 0.82;
}

.page-home .feed-card__body {
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
}

.page-home .feed-card__body .tag {
  border-color: rgba(255, 106, 77, 0.45);
  color: #ffb9a9;
}

.page-home .feed-card__link {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--coral);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 77, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .feed-card__link:hover,
.page-home .feed-card__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-home .filter-empty {
  margin: 0;
  padding: 1.2rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--slate);
  font-size: 0.92rem;
}

.page-home .home-feed__more {
  margin: 1.4rem 0 0;
}

/* ============ 兼容与服务 ============ */
.page-home .home-section--compat {
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(90% 80% at 92% 8%, rgba(25, 195, 208, 0.12), transparent 62%),
    transparent;
}

.page-home .home-compat {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-home .compat-copy .eyebrow {
  margin: 0;
  color: var(--aqua);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
}

.page-home .compat-copy h2 {
  margin: 0.55rem 0 0.9rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: 0.045em;
  color: var(--mist);
}

.page-home .compat-copy p {
  margin: 0 0 0.9rem;
  max-width: 58ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .compat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.page-home .compat-card {
  padding: clamp(1.2rem, 2.8vw, 1.75rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(8, 58, 63, 0.82), rgba(2, 11, 16, 0.94));
  box-shadow: 0 34px 64px -50px #000;
}

.page-home .compat-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: 0.035em;
  color: var(--mist);
}

.page-home .compat-card__note {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .compat-list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-home .compat-list__row {
  display: grid;
  gap: 0.3rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line-faint);
}

.page-home .compat-list__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .compat-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--aqua-soft);
}

.page-home .compat-list dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-home .compat-list dd a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 195, 208, 0.45);
}

.page-home .compat-list dd a:hover,
.page-home .compat-list dd a:focus-visible {
  color: var(--aqua-soft);
}

.page-home .compat-list .copy-btn {
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--aqua);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .compat-list .copy-btn:hover {
  color: var(--mist);
  border-color: var(--aqua);
}

.page-home .compat-card__tip {
  margin: 1.1rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .compat-card__link {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--coral);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 77, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .compat-card__link:hover,
.page-home .compat-card__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-home .home-feed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .feed-card--wide {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

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

@media (min-width: 920px) {
  .page-home .home-duo {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 0.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.2rem;
  }

  .page-home .duo-card--right {
    margin-top: clamp(1rem, 3vw, 2.4rem);
  }

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

  .page-home .check-card:nth-child(2) {
    margin-top: 2.1rem;
  }

  .page-home .check-card:nth-child(3) {
    margin-top: 0.8rem;
  }

  .page-home .home-compat {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 980px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.78fr);
    grid-template-rows: auto auto;
    column-gap: clamp(1rem, 2.4vw, 1.8rem);
    row-gap: 0;
    padding-bottom: 0.6rem;
  }

  .page-home .hero-claim {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .hero-search {
    grid-column: 1;
    grid-row: 2;
    margin: -1.3rem clamp(0.8rem, 3vw, 2.4rem) 0;
  }

  .page-home .hero-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: clamp(1.2rem, 4vw, 3rem);
  }
}

@media (min-width: 1080px) {
  .page-home .home-feed {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .feed-card--wide {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .duo-card,
  .page-home .check-card,
  .page-home .feed-card {
    transition: none;
  }

  .page-home .duo-card:hover,
  .page-home .check-card:hover,
  .page-home .feed-card:hover {
    transform: none;
  }
}