.page-home {
  --home-hair: rgba(217, 152, 54, 0.24);
  --home-hair-soft: rgba(217, 152, 54, 0.1);
  --home-blue-line: rgba(42, 65, 102, 0.62);
  display: block;
  background: var(--indigo-night);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.page-home h2 {
  font-size: 25px;
}

.page-home h3 {
  font-size: 18px;
  font-weight: 700;
}

.page-home p {
  margin: 0;
}

.page-home a {
  color: inherit;
}

/* ---------- 顶部上下文条 ---------- */
.page-home .home-context {
  background: var(--indigo-deep);
  border-bottom: 1px solid var(--home-blue-line);
}

.page-home .home-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 12px;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-on-dark-dim);
}

.page-home .home-context__inner .crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-home .home-context__inner .crumbs__sep {
  margin: 0 7px;
  color: var(--amber);
}

.page-home .home-context__note {
  margin: 0;
  color: var(--text-on-dark-dim);
}

/* ---------- 01 封面 ---------- */
.page-home .home-cover {
  position: relative;
  padding: 42px 0 52px;
  border-bottom: 1px solid var(--home-blue-line);
  background-color: var(--indigo-night);
  background-image:
    linear-gradient(var(--home-hair-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-hair-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  background-position: center top;
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(95% 75% at 12% 0%, rgba(42, 65, 102, 0.78) 0%, rgba(19, 30, 54, 0) 68%);
  pointer-events: none;
}

.page-home .home-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 38px;
}

.page-home .home-cover__title {
  margin-top: 18px;
  font-size: 33px;
  color: var(--paper-yellow);
}

.page-home .home-cover__title em {
  font-style: normal;
  color: var(--amber-bright);
  box-shadow: inset 0 -0.16em 0 rgba(217, 152, 54, 0.32);
}

.page-home .home-cover__lead {
  margin-top: 18px;
  max-width: 34em;
  color: var(--text-on-dark);
}

.page-home .home-cover__index {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-entry {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0 14px;
  padding: 13px 15px;
  border: 1px solid var(--home-hair);
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(27, 44, 75, 0.9), rgba(27, 44, 75, 0.32));
  text-decoration: none;
  transition: border-color 160ms var(--ease-page), transform 160ms var(--ease-page), background 160ms var(--ease-page);
}

.page-home .home-entry:hover,
.page-home .home-entry:focus-visible {
  border-color: var(--amber);
  background: linear-gradient(90deg, rgba(42, 65, 102, 0.95), rgba(27, 44, 75, 0.5));
  transform: translateY(-3px);
  outline: none;
}

.page-home .home-entry__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal-orange);
}

.page-home .home-entry__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper-yellow);
}

.page-home .home-entry__hint {
  display: block;
  margin-top: 2px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-on-dark-dim);
}

.page-home .home-entry__go {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-home .home-cover__stack {
  position: relative;
  padding: 16px 10px 10px;
}

.page-home .home-cover__stack::before,
.page-home .home-cover__stack::after {
  content: "";
  position: absolute;
  border: 1px solid var(--home-hair);
  background: var(--paper-yellow);
  z-index: 0;
}

.page-home .home-cover__stack::before {
  inset: 0 34px 28px 0;
  transform: rotate(-1.6deg);
  opacity: 0.5;
}

.page-home .home-cover__stack::after {
  inset: 18px 0 12px 30px;
  transform: rotate(1.2deg);
  opacity: 0.32;
}

.page-home .home-cover__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--indigo-deep);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
  transition: transform 240ms var(--ease-page);
}

.page-home .home-cover__figure:hover {
  transform: translateY(-4px);
}

.page-home .home-cover__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-cover__figure .media__caption {
  margin: 0;
  padding: 10px 14px 12px;
}

.page-home .home-cover__next {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  margin: 0;
  padding: 6px 10px;
  border: 1px solid var(--home-hair);
  background: rgba(12, 20, 32, 0.82);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--signal-orange);
}

/* ---------- 区块标题 ---------- */
.page-home .home-head {
  margin-bottom: 26px;
}

.page-home .home-head__num {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-on-dark-dim);
}

.page-home .home-head h2 {
  margin-top: 10px;
  color: var(--paper-yellow);
}

.page-home .home-head__lead {
  margin-top: 10px;
  max-width: 48em;
  font-size: 16px;
  color: var(--text-on-dark-dim);
}

/* ---------- 02 版本留档 ---------- */
.page-home .home-vault {
  padding: 44px 0 50px;
  background: var(--paper-yellow);
  color: var(--ink);
  border-top: 1px solid var(--home-hair);
  border-bottom: 1px solid rgba(12, 20, 32, 0.18);
}

.page-home .home-vault .home-head__num {
  color: var(--rock-gray);
}

.page-home .home-vault .home-head h2 {
  color: var(--ink);
}

.page-home .home-vault .home-head__lead {
  color: var(--rock-gray);
}

.page-home .home-vault__figure {
  margin: 0 0 24px;
  border: 1px solid rgba(12, 20, 32, 0.2);
  background: var(--paper-white);
  box-shadow: 0 16px 30px -26px rgba(12, 20, 32, 0.8);
  overflow: hidden;
}

.page-home .home-vault__figure img {
  width: 100%;
  aspect-ratio: 40 / 13;
  object-fit: cover;
}

.page-home .home-vault__figure .media__caption {
  margin: 0;
  padding: 10px 14px 12px;
  font-size: 13.5px;
  color: var(--rock-gray);
}

.page-home .home-vault__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-vault__node {
  position: relative;
  padding: 20px 18px 16px;
  border: 1px solid rgba(12, 20, 32, 0.16);
  background: var(--paper-white);
  box-shadow: 0 14px 26px -24px rgba(12, 20, 32, 0.75);
  transition: transform 200ms var(--ease-page), box-shadow 200ms var(--ease-page);
}

.page-home .home-vault__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--amber);
}

.page-home .home-vault__node:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 32px -24px rgba(12, 20, 32, 0.85);
}

.page-home .home-vault__ver {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-vault__node h3 {
  margin-top: 12px;
  font-size: 17px;
  color: var(--ink);
}

.page-home .home-vault__node p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--rock-gray);
}

.page-home .home-vault__sys {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock-gray);
}

.page-home .home-vault__more {
  margin-top: 26px;
}

.page-home .home-vault .btn--ghost {
  color: var(--ink);
  border-color: rgba(12, 20, 32, 0.45);
}

/* ---------- 03 归档索引带 ---------- */
.page-home .home-index {
  padding: 44px 0 48px;
  background: var(--indigo-deep);
  border-bottom: 1px solid var(--home-blue-line);
}

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

.page-home .home-index__link {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: start;
  gap: 0 18px;
  height: 100%;
  padding: 22px 20px 20px;
  border: 1px solid var(--home-hair);
  border-left: 3px solid var(--amber);
  background: linear-gradient(135deg, rgba(42, 65, 102, 0.6), rgba(27, 44, 75, 0.32));
  text-decoration: none;
  transition: border-color 160ms var(--ease-page), background 160ms var(--ease-page), transform 160ms var(--ease-page);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  border-color: var(--amber-bright);
  background: linear-gradient(135deg, rgba(42, 65, 102, 0.85), rgba(27, 44, 75, 0.5));
  transform: translateY(-3px);
  outline: none;
}

.page-home .home-index__num {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--amber);
}

@supports (-webkit-text-stroke: 1px currentColor) {
  .page-home .home-index__num {
    color: transparent;
    -webkit-text-stroke: 1px var(--amber-bright);
  }
}

.page-home .home-index__title {
  display: block;
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--paper-yellow);
}

.page-home .home-index__desc {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-on-dark);
}

.page-home .home-index__tip {
  display: block;
  overflow: hidden;
  max-height: 3.2em;
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--amber);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-on-dark-dim);
  transition: max-height 220ms var(--ease-page), color 220ms var(--ease-page);
}

.page-home .home-index__link:hover .home-index__tip,
.page-home .home-index__link:focus-visible .home-index__tip {
  max-height: 7em;
  color: var(--amber-bright);
}

.page-home .home-index__go {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber);
}

/* ---------- 04 / 05 双栏 ---------- */
.page-home .home-order {
  padding: 46px 0 52px;
  background: var(--indigo-night);
  border-bottom: 1px solid var(--home-blue-line);
}

.page-home .home-order__grid {
  display: grid;
  gap: 42px;
}

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

.page-home .home-step {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 0 18px;
  padding: 20px 0;
  border-top: 1px solid var(--home-blue-line);
}

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

.page-home .home-step__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-home .home-step h3 {
  color: var(--paper-yellow);
}

.page-home .home-step p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text-on-dark);
}

.page-home .home-order__more {
  margin-top: 20px;
  font-size: 15px;
}

.page-home .home-order__more a {
  color: var(--amber-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair);
  padding-bottom: 2px;
}

.page-home .home-order__side {
  padding: 22px 20px 24px;
  border: 1px solid var(--home-hair);
  background: linear-gradient(180deg, rgba(27, 44, 75, 0.9), rgba(19, 30, 54, 0.68));
}

.page-home .home-side__title {
  font-size: 20px;
  color: var(--paper-yellow);
}

.page-home .home-side__lead {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-on-dark-dim);
}

.page-home .home-side__figure {
  margin: 16px 0 0;
  border: 1px solid var(--home-hair);
  background: var(--indigo-night);
  overflow: hidden;
}

.page-home .home-side__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .home-return {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-return__card {
  padding: 13px 14px;
  border: 1px solid var(--home-blue-line);
  border-left: 3px solid var(--indigo-mid);
  background: rgba(19, 30, 54, 0.72);
  transition: border-color 160ms var(--ease-page);
}

.page-home .home-return__card:hover {
  border-left-color: var(--amber);
}

.page-home .home-return__card--fewest {
  border-left-color: var(--signal-orange);
  background: rgba(242, 99, 46, 0.09);
}

.page-home .home-return__verdict {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-yellow);
}

.page-home .home-return__card--fewest .home-return__verdict {
  color: var(--signal-orange);
}

.page-home .home-return__note {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-on-dark-dim);
}

.page-home .home-return__summary {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--home-hair);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--text-on-dark-dim);
}

.page-home .home-return__summary em {
  font-style: normal;
  font-weight: 700;
  color: var(--signal-orange);
}

/* ---------- 06 通栏地域图 ---------- */
.page-home .home-bridge {
  background: var(--indigo-night);
  border-bottom: 1px solid var(--home-blue-line);
}

.page-home .home-bridge__figure {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--home-hair);
  border-bottom: 1px solid var(--home-hair);
  overflow: hidden;
}

.page-home .home-bridge__figure img {
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: 0.92;
}

.page-home .home-bridge__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 18px;
  background: linear-gradient(180deg, rgba(19, 30, 54, 0) 0%, rgba(19, 30, 54, 0.9) 70%);
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper-yellow);
}

/* ---------- 07 客服与备案 ---------- */
.page-home .home-support {
  padding: 30px 0 36px;
  background: var(--indigo-deep);
}

.page-home .home-support__inner {
  display: grid;
  gap: 22px;
}

.page-home .home-support__title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--paper-yellow);
}

.page-home .home-support__note {
  margin-top: 8px;
  max-width: 40em;
  font-size: 14.5px;
  color: var(--text-on-dark-dim);
}

.page-home .home-support__more {
  margin-top: 12px;
  font-size: 14.5px;
}

.page-home .home-support__more a {
  color: var(--amber-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair);
  padding-bottom: 2px;
}

.page-home .home-support__list {
  margin: 0;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
}

.page-home .home-support__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 0 14px;
  padding-top: 9px;
  border-top: 1px solid var(--home-blue-line);
}

.page-home .home-support__key {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .home-support__val {
  margin: 0;
  color: var(--paper-yellow);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-vault__figure {
    margin-bottom: 28px;
  }

  .page-home .home-vault__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .home-support__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 38px;
  }

  .page-home .home-bridge__caption {
    padding: 18px 24px;
    font-size: 17px;
  }
}

@media (min-width: 860px) {
  .page-home .home-vault__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-index__band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 940px) {
  .page-home h2 {
    font-size: 30px;
  }

  .page-home .home-cover {
    padding: 64px 0 72px;
  }

  .page-home .home-cover__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: center;
    gap: 56px;
  }

  .page-home .home-cover__title {
    font-size: 50px;
  }

  .page-home .home-cover__lead {
    font-size: 17.5px;
  }

  .page-home .home-order__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-side__title {
    font-size: 21px;
  }
}

@media (min-width: 1180px) {
  .page-home .home-cover__title {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-home .home-entry:hover,
  .page-home .home-entry:focus-visible,
  .page-home .home-index__link:hover,
  .page-home .home-index__link:focus-visible,
  .page-home .home-vault__node:hover,
  .page-home .home-cover__figure:hover {
    transform: none;
  }
}