.page-home {
  --ph-gap: clamp(1.25rem, 3vw, 2.25rem);
  --ph-grid: 72px;
  --ph-shadow: 10px 10px 0 rgba(28, 69, 96, 0.45);
}

.page-home .home-ctx {
  padding-top: 1.25rem;
}

.page-home .home-ctx p {
  margin: 0;
  color: var(--c-mist);
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(3rem, 6vw, 5rem);
  background-image:
    linear-gradient(to right, rgba(28, 69, 96, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 69, 96, 0.3) 1px, transparent 1px);
  background-size: var(--ph-grid) var(--ph-grid);
  background-position: center top;
}

.page-home .hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.25rem);
  align-items: start;
}

.page-home .hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 8vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--c-ice);
}

.page-home .hero__title-mark {
  display: inline;
  color: var(--c-cyan);
  background-image: linear-gradient(transparent 68%, rgba(25, 227, 198, 0.26) 68%);
}

.page-home .hero__sub {
  margin: 1.2rem 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-home .search-panel {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding: 1.1rem 1.1rem 1.25rem;
  border: var(--line-thick);
  background: var(--c-panel);
  box-shadow: var(--ph-shadow);
}

.page-home .search-panel__label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--c-cyan-soft);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-home .search-panel__row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.4rem 0.3rem 0.7rem;
  border: var(--line);
  background: rgba(6, 24, 38, 0.78);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-home .search-panel__row:focus-within {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(25, 227, 198, 0.18);
}

.page-home .search-panel__icon {
  flex: 0 0 auto;
  color: var(--c-cyan);
}

.page-home .search-panel__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.55rem 0;
  border: 0;
  background: transparent;
  color: var(--c-ice);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
}

.page-home .search-panel__input::placeholder {
  color: var(--c-mist);
}

.page-home .search-panel__go {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-home .search-panel__hints {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.page-home .search-panel:focus-within .search-panel__hints {
  display: flex;
}

.page-home .search-panel__hints-label {
  color: var(--c-mist);
  font-size: 0.72rem;
}

.page-home .search-panel__hint {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--c-steel);
  color: var(--c-cyan-soft);
  font-size: 0.78rem;
}

.page-home .search-panel__hot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.9rem;
  margin-top: 0.95rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--c-steel);
}

.page-home .search-panel__hot .mono {
  color: var(--c-mist);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-home .search-panel__hot a {
  color: var(--c-ice);
  font-size: 0.86rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 198, 0.45);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-home .search-panel__hot a:hover,
.page-home .search-panel__hot a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-home .search-panel__note {
  margin: 0.85rem 0 0;
  color: var(--c-mist);
  font-size: 0.82rem;
  line-height: 1.7;
}

.page-home .hero__aside {
  display: grid;
  gap: var(--ph-gap);
}

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

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

.page-home .hero__figure {
  position: relative;
  border: var(--line-thick);
  background: var(--c-abyss);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
}

.page-home .hero__figure img {
  aspect-ratio: 16 / 10;
}

.page-home .media__caption {
  display: block;
  padding: 0.6rem 0.75rem;
  border-top: var(--line);
  color: var(--c-mist);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.page-home .hero__stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-home .minicard {
  padding: 1rem;
  border: var(--line);
  border-left: 4px solid var(--c-cyan);
  background: var(--c-panel);
}

.page-home .minicard--alt {
  border-left-color: var(--c-magenta);
}

.page-home .minicard__label {
  margin: 0;
  color: var(--c-mist);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.page-home .minicard__value {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  line-height: 1.15;
  color: var(--c-ice);
}

.page-home .minicard__meta {
  margin: 0.4rem 0 0;
  color: var(--c-mist);
  font-size: 0.82rem;
  line-height: 1.6;
}

.page-home .minicard__link {
  display: inline-block;
  margin-top: 0.7rem;
  color: var(--c-cyan);
  font-size: 0.82rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 198, 0.4);
}

.page-home .minicard__link:hover,
.page-home .minicard__link:focus-visible {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

/* ---------- 通用章节头 ---------- */
.page-home .ph-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding-bottom: 1.5rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: var(--line);
}

.page-home .section-no {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-steel);
  letter-spacing: -0.03em;
}

.page-home .ph-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-home .ph-head__desc {
  margin: 0.7rem 0 0;
  max-width: 38em;
  color: var(--c-mist);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-home .ph-head__link {
  justify-self: start;
}

/* ---------- 01 更新列表 ---------- */
.page-home .updates {
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

.page-home .updates__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
}

.page-home .updates__figure {
  border: var(--line);
  background: var(--c-panel);
  align-self: start;
}

.page-home .updates__figure img {
  aspect-ratio: 3 / 2;
}

.page-home .updates__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-home .updates__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.25rem 0.9rem;
  padding: 0.85rem 0.9rem 0.9rem 1rem;
  border: 1px solid var(--c-steel);
  border-left: 3px solid var(--c-steel);
  background: rgba(11, 34, 57, 0.7);
  transition: border-left-color var(--t-fast), background var(--t-fast);
}

.page-home .updates__item:hover,
.page-home .updates__item:focus-within {
  border-left-color: var(--c-cyan);
  background: rgba(11, 34, 57, 0.95);
}

.page-home .updates__date {
  grid-column: 1 / -1;
  color: var(--c-cyan-soft);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

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

.page-home .updates__title {
  margin: 0.4rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-ice);
}

.page-home .updates__text {
  margin: 0.3rem 0 0;
  color: var(--c-mist);
  font-size: 0.85rem;
  line-height: 1.75;
}

.page-home .updates__link {
  align-self: center;
  color: var(--c-cyan);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid rgba(25, 227, 198, 0.4);
}

.page-home .updates__link:hover,
.page-home .updates__link:focus-visible {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

/* ---------- 02 版本对照 ---------- */
.page-home .compare__board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-home .compare__card {
  display: block;
  padding: 1.25rem;
  border: var(--line-thick);
  background: var(--c-panel);
  color: var(--c-ice);
  text-decoration: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}

.page-home .compare__card:hover,
.page-home .compare__card:focus-visible {
  border-color: var(--c-cyan);
  box-shadow: var(--ph-shadow);
  transform: translate(-3px, -3px);
}

.page-home .compare__card--alt:hover,
.page-home .compare__card--alt:focus-visible {
  border-color: var(--c-magenta);
}

.page-home .compare__card-title {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  line-height: 1.25;
}

.page-home .compare__card-text {
  margin: 0.55rem 0 0;
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-home .compare__card-go {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--c-cyan);
  font-size: 0.85rem;
}

.page-home .compare__card--alt .compare__card-go {
  color: var(--c-amber);
}

.page-home .compare__lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .compare__figure {
  border: var(--line);
  background: var(--c-panel);
}

.page-home .compare__figure img {
  aspect-ratio: 14 / 9;
}

.page-home .difflist {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.page-home .difflist__label {
  margin: 0 0 0.3rem;
  color: var(--c-mist);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-home .difflist__row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.7rem;
  border-left: 3px solid var(--c-magenta);
  background: rgba(255, 63, 142, 0.06);
  transition: background var(--t-fast);
}

.page-home .difflist__row:hover {
  background: rgba(255, 63, 142, 0.14);
}

.page-home .difflist__ver {
  color: var(--c-magenta);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-home .difflist__text {
  color: var(--c-ice);
  font-size: 0.85rem;
  line-height: 1.65;
}

/* ---------- 03 三步 ---------- */
.page-home .steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
}

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

.page-home .steplist__item {
  position: relative;
  padding: 1.1rem 0 1.1rem 3.6rem;
  border-top: 1px solid var(--c-steel);
}

.page-home .steplist__item:last-child {
  border-bottom: 1px solid var(--c-steel);
}

.page-home .steplist__no {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

.page-home .steplist__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--c-ice);
}

.page-home .steplist__text {
  margin: 0.4rem 0 0;
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-home .steps__aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-home .steps__figure {
  border: var(--line);
  background: var(--c-panel);
}

.page-home .steps__figure img {
  aspect-ratio: 10 / 7;
}

.page-home .feedback-demo {
  position: relative;
  padding: 1rem;
  border: var(--line);
  background: var(--c-panel);
}

.page-home .feedback-demo__label {
  margin: 0 0 0.7rem;
  color: var(--c-mist);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

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

.page-home .feedback-demo__btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border: 2px solid var(--c-amber);
  color: var(--c-amber);
  font-size: 0.88rem;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}

.page-home .feedback-demo__btn:hover {
  background: rgba(255, 178, 62, 0.14);
}

.page-home .feedback-demo__input:checked ~ .feedback-demo__btn {
  background: var(--c-amber);
  color: var(--c-abyss);
}

.page-home .feedback-demo__input:focus-visible ~ .feedback-demo__btn {
  outline: 2px dashed var(--c-cyan);
  outline-offset: 3px;
}

.page-home .feedback-demo__state {
  display: none;
  margin: 0.75rem 0 0;
  color: var(--c-cyan-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-home .feedback-demo__input:checked ~ .feedback-demo__state {
  display: block;
}

/* ---------- 04 服务保障 ---------- */
.page-home .assure__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
}

.page-home .assure__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-steel);
  border: var(--line);
}

.page-home .assure__stat {
  padding: 1.1rem 1rem;
  background: var(--c-panel);
}

.page-home .assure__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--c-cyan);
  letter-spacing: -0.02em;
}

.page-home .assure__unit {
  margin-left: 0.15em;
  font-size: 0.5em;
  color: var(--c-cyan-soft);
}

.page-home .assure__desc {
  margin: 0.5rem 0 0;
  color: var(--c-mist);
  font-size: 0.82rem;
  line-height: 1.65;
}

.page-home .assure__note {
  padding: 1.25rem;
  border: var(--line-thick);
  background: var(--c-panel);
  box-shadow: var(--ph-shadow);
}

.page-home .assure__note-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--c-ice);
}

.page-home .assure__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-home .assure__list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--c-mist);
  font-size: 0.88rem;
  line-height: 1.75;
}

.page-home .assure__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--c-cyan);
}

.page-home .assure__note-text {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--c-steel);
  color: var(--c-mist);
  font-size: 0.85rem;
  line-height: 1.8;
}

.page-home .assure__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.1rem;
}

/* ---------- 05 专题 ---------- */
.page-home .topics__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-home .topics__item {
  display: block;
  padding: 1.15rem;
  border: var(--line);
  background: rgba(11, 34, 57, 0.75);
  color: var(--c-ice);
  text-decoration: none;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.page-home .topics__item:hover,
.page-home .topics__item:focus-visible {
  border-color: var(--c-cyan);
  background: var(--c-panel);
  transform: translateY(-3px);
}

.page-home .topics__tag {
  color: var(--c-amber);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.page-home .topics__title {
  margin: 0.6rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .topics__text {
  margin: 0.45rem 0 0;
  color: var(--c-mist);
  font-size: 0.85rem;
  line-height: 1.75;
}

.page-home .closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding: 1.25rem;
  border: var(--line-thick);
  border-left: 6px solid var(--c-amber);
  background: linear-gradient(100deg, rgba(255, 178, 62, 0.12), rgba(11, 34, 57, 0.9) 55%);
}

.page-home .closing__eyebrow {
  margin: 0;
  color: var(--c-amber);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-home .closing__line {
  margin: 0.45rem 0 0;
  color: var(--c-ice);
  font-size: 1rem;
  line-height: 1.7;
}

.page-home .closing__btn {
  justify-self: start;
}

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

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

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

  .page-home .closing {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-home .closing__btn {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-home .ph-head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: end;
    gap: 1.5rem;
  }

  .page-home .updates__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .page-home .updates__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .page-home .compare__lower {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-home .steps__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-home .assure__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

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

@media (min-width: 1000px) {
  .page-home .hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--ph-gap);
    align-items: start;
  }

  .page-home .hero__lead {
    grid-column: 1 / span 6;
    padding-top: 0.5rem;
  }

  .page-home .hero__aside {
    grid-column: 8 / span 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .compare__card,
  .page-home .topics__item {
    transition: none;
  }

  .page-home .compare__card:hover,
  .page-home .compare__card:focus-visible,
  .page-home .topics__item:hover,
  .page-home .topics__item:focus-visible {
    transform: none;
  }
}
<<<END>>>